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-rw-r--r--src/lib/libssl/ssl_lib.c3287
1 files changed, 0 insertions, 3287 deletions
diff --git a/src/lib/libssl/ssl_lib.c b/src/lib/libssl/ssl_lib.c
deleted file mode 100644
index 6adc28a5e3..0000000000
--- a/src/lib/libssl/ssl_lib.c
+++ /dev/null
@@ -1,3287 +0,0 @@
1/* $OpenBSD: ssl_lib.c,v 1.290 2022/03/18 18:01:17 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111/* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116/* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
118 *
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121 * license.
122 *
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
126 *
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
130 *
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
135 *
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140 * OTHERWISE.
141 */
142
143#include <arpa/inet.h>
144#include <sys/socket.h>
145#include <netinet/in.h>
146
147#include <limits.h>
148#include <stdio.h>
149
150#include <openssl/dh.h>
151#include <openssl/lhash.h>
152#include <openssl/objects.h>
153#include <openssl/ocsp.h>
154#include <openssl/opensslconf.h>
155#include <openssl/x509v3.h>
156
157#ifndef OPENSSL_NO_ENGINE
158#include <openssl/engine.h>
159#endif
160
161#include "bytestring.h"
162#include "dtls_locl.h"
163#include "ssl_locl.h"
164#include "ssl_sigalgs.h"
165
166const char *SSL_version_str = OPENSSL_VERSION_TEXT;
167
168int
169SSL_clear(SSL *s)
170{
171 if (s->method == NULL) {
172 SSLerror(s, SSL_R_NO_METHOD_SPECIFIED);
173 return (0);
174 }
175
176 if (ssl_clear_bad_session(s)) {
177 SSL_SESSION_free(s->session);
178 s->session = NULL;
179 }
180
181 s->error = 0;
182 s->internal->hit = 0;
183 s->internal->shutdown = 0;
184
185 if (s->internal->renegotiate) {
186 SSLerror(s, ERR_R_INTERNAL_ERROR);
187 return (0);
188 }
189
190 s->version = s->method->version;
191 s->client_version = s->version;
192 s->internal->rwstate = SSL_NOTHING;
193 s->internal->rstate = SSL_ST_READ_HEADER;
194
195 tls13_ctx_free(s->internal->tls13);
196 s->internal->tls13 = NULL;
197
198 ssl3_release_init_buffer(s);
199
200 ssl_clear_cipher_state(s);
201
202 s->internal->first_packet = 0;
203
204 /*
205 * Check to see if we were changed into a different method, if
206 * so, revert back if we are not doing session-id reuse.
207 */
208 if (!s->internal->in_handshake && (s->session == NULL) &&
209 (s->method != s->ctx->method)) {
210 s->method->ssl_free(s);
211 s->method = s->ctx->method;
212 if (!s->method->ssl_new(s))
213 return (0);
214 } else
215 s->method->ssl_clear(s);
216
217 return (1);
218}
219
220/* Used to change an SSL_CTXs default SSL method type */
221int
222SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth)
223{
224 STACK_OF(SSL_CIPHER) *ciphers;
225
226 ctx->method = meth;
227
228 ciphers = ssl_create_cipher_list(ctx->method, &ctx->cipher_list,
229 ctx->internal->cipher_list_tls13, SSL_DEFAULT_CIPHER_LIST);
230 if (ciphers == NULL || sk_SSL_CIPHER_num(ciphers) <= 0) {
231 SSLerrorx(SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
232 return (0);
233 }
234 return (1);
235}
236
237SSL *
238SSL_new(SSL_CTX *ctx)
239{
240 SSL *s;
241
242 if (ctx == NULL) {
243 SSLerrorx(SSL_R_NULL_SSL_CTX);
244 return (NULL);
245 }
246 if (ctx->method == NULL) {
247 SSLerrorx(SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
248 return (NULL);
249 }
250
251 if ((s = calloc(1, sizeof(*s))) == NULL)
252 goto err;
253 if ((s->internal = calloc(1, sizeof(*s->internal))) == NULL)
254 goto err;
255
256 if ((s->internal->rl = tls12_record_layer_new()) == NULL)
257 goto err;
258
259 s->internal->min_tls_version = ctx->internal->min_tls_version;
260 s->internal->max_tls_version = ctx->internal->max_tls_version;
261 s->internal->min_proto_version = ctx->internal->min_proto_version;
262 s->internal->max_proto_version = ctx->internal->max_proto_version;
263
264 s->internal->options = ctx->internal->options;
265 s->internal->mode = ctx->internal->mode;
266 s->internal->max_cert_list = ctx->internal->max_cert_list;
267 s->internal->num_tickets = ctx->internal->num_tickets;
268
269 if ((s->cert = ssl_cert_dup(ctx->internal->cert)) == NULL)
270 goto err;
271
272 s->internal->read_ahead = ctx->internal->read_ahead;
273 s->internal->msg_callback = ctx->internal->msg_callback;
274 s->internal->msg_callback_arg = ctx->internal->msg_callback_arg;
275 s->verify_mode = ctx->verify_mode;
276 s->sid_ctx_length = ctx->sid_ctx_length;
277 OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);
278 memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));
279 s->internal->verify_callback = ctx->internal->default_verify_callback;
280 s->internal->generate_session_id = ctx->internal->generate_session_id;
281
282 s->param = X509_VERIFY_PARAM_new();
283 if (!s->param)
284 goto err;
285 X509_VERIFY_PARAM_inherit(s->param, ctx->param);
286 s->internal->quiet_shutdown = ctx->internal->quiet_shutdown;
287 s->max_send_fragment = ctx->internal->max_send_fragment;
288
289 CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
290 s->ctx = ctx;
291 s->internal->tlsext_debug_cb = 0;
292 s->internal->tlsext_debug_arg = NULL;
293 s->internal->tlsext_ticket_expected = 0;
294 s->tlsext_status_type = -1;
295 s->internal->tlsext_status_expected = 0;
296 s->internal->tlsext_ocsp_ids = NULL;
297 s->internal->tlsext_ocsp_exts = NULL;
298 s->internal->tlsext_ocsp_resp = NULL;
299 s->internal->tlsext_ocsp_resp_len = 0;
300 CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
301 s->initial_ctx = ctx;
302
303 if (ctx->internal->tlsext_ecpointformatlist != NULL) {
304 s->internal->tlsext_ecpointformatlist =
305 calloc(ctx->internal->tlsext_ecpointformatlist_length,
306 sizeof(ctx->internal->tlsext_ecpointformatlist[0]));
307 if (s->internal->tlsext_ecpointformatlist == NULL)
308 goto err;
309 memcpy(s->internal->tlsext_ecpointformatlist,
310 ctx->internal->tlsext_ecpointformatlist,
311 ctx->internal->tlsext_ecpointformatlist_length *
312 sizeof(ctx->internal->tlsext_ecpointformatlist[0]));
313 s->internal->tlsext_ecpointformatlist_length =
314 ctx->internal->tlsext_ecpointformatlist_length;
315 }
316 if (ctx->internal->tlsext_supportedgroups != NULL) {
317 s->internal->tlsext_supportedgroups =
318 calloc(ctx->internal->tlsext_supportedgroups_length,
319 sizeof(ctx->internal->tlsext_supportedgroups[0]));
320 if (s->internal->tlsext_supportedgroups == NULL)
321 goto err;
322 memcpy(s->internal->tlsext_supportedgroups,
323 ctx->internal->tlsext_supportedgroups,
324 ctx->internal->tlsext_supportedgroups_length *
325 sizeof(ctx->internal->tlsext_supportedgroups[0]));
326 s->internal->tlsext_supportedgroups_length =
327 ctx->internal->tlsext_supportedgroups_length;
328 }
329
330 if (s->ctx->internal->alpn_client_proto_list != NULL) {
331 s->internal->alpn_client_proto_list =
332 malloc(s->ctx->internal->alpn_client_proto_list_len);
333 if (s->internal->alpn_client_proto_list == NULL)
334 goto err;
335 memcpy(s->internal->alpn_client_proto_list,
336 s->ctx->internal->alpn_client_proto_list,
337 s->ctx->internal->alpn_client_proto_list_len);
338 s->internal->alpn_client_proto_list_len =
339 s->ctx->internal->alpn_client_proto_list_len;
340 }
341
342 s->verify_result = X509_V_OK;
343
344 s->method = ctx->method;
345
346 if (!s->method->ssl_new(s))
347 goto err;
348
349 s->references = 1;
350 s->server = ctx->method->server;
351
352 SSL_clear(s);
353
354 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->internal->ex_data);
355
356 return (s);
357
358 err:
359 SSL_free(s);
360 SSLerrorx(ERR_R_MALLOC_FAILURE);
361 return (NULL);
362}
363
364int
365SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
366 unsigned int sid_ctx_len)
367{
368 if (sid_ctx_len > sizeof ctx->sid_ctx) {
369 SSLerrorx(SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
370 return (0);
371 }
372 ctx->sid_ctx_length = sid_ctx_len;
373 memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len);
374
375 return (1);
376}
377
378int
379SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
380 unsigned int sid_ctx_len)
381{
382 if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
383 SSLerror(ssl, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
384 return (0);
385 }
386 ssl->sid_ctx_length = sid_ctx_len;
387 memcpy(ssl->sid_ctx, sid_ctx, sid_ctx_len);
388
389 return (1);
390}
391
392int
393SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
394{
395 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
396 ctx->internal->generate_session_id = cb;
397 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
398 return (1);
399}
400
401int
402SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
403{
404 CRYPTO_w_lock(CRYPTO_LOCK_SSL);
405 ssl->internal->generate_session_id = cb;
406 CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
407 return (1);
408}
409
410int
411SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
412 unsigned int id_len)
413{
414 /*
415 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp
416 * shows how we can "construct" a session to give us the desired
417 * check - ie. to find if there's a session in the hash table
418 * that would conflict with any new session built out of this
419 * id/id_len and the ssl_version in use by this SSL.
420 */
421 SSL_SESSION r, *p;
422
423 if (id_len > sizeof r.session_id)
424 return (0);
425
426 r.ssl_version = ssl->version;
427 r.session_id_length = id_len;
428 memcpy(r.session_id, id, id_len);
429
430 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
431 p = lh_SSL_SESSION_retrieve(ssl->ctx->internal->sessions, &r);
432 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
433 return (p != NULL);
434}
435
436int
437SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
438{
439 return (X509_VERIFY_PARAM_set_purpose(s->param, purpose));
440}
441
442int
443SSL_set_purpose(SSL *s, int purpose)
444{
445 return (X509_VERIFY_PARAM_set_purpose(s->param, purpose));
446}
447
448int
449SSL_CTX_set_trust(SSL_CTX *s, int trust)
450{
451 return (X509_VERIFY_PARAM_set_trust(s->param, trust));
452}
453
454int
455SSL_set_trust(SSL *s, int trust)
456{
457 return (X509_VERIFY_PARAM_set_trust(s->param, trust));
458}
459
460int
461SSL_set1_host(SSL *s, const char *hostname)
462{
463 struct in_addr ina;
464 struct in6_addr in6a;
465
466 if (hostname != NULL && *hostname != '\0' &&
467 (inet_pton(AF_INET, hostname, &ina) == 1 ||
468 inet_pton(AF_INET6, hostname, &in6a) == 1))
469 return X509_VERIFY_PARAM_set1_ip_asc(s->param, hostname);
470 else
471 return X509_VERIFY_PARAM_set1_host(s->param, hostname, 0);
472}
473
474void
475SSL_set_hostflags(SSL *s, unsigned int flags)
476{
477 X509_VERIFY_PARAM_set_hostflags(s->param, flags);
478}
479
480const char *
481SSL_get0_peername(SSL *s)
482{
483 return X509_VERIFY_PARAM_get0_peername(s->param);
484}
485
486X509_VERIFY_PARAM *
487SSL_CTX_get0_param(SSL_CTX *ctx)
488{
489 return (ctx->param);
490}
491
492int
493SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
494{
495 return (X509_VERIFY_PARAM_set1(ctx->param, vpm));
496}
497
498X509_VERIFY_PARAM *
499SSL_get0_param(SSL *ssl)
500{
501 return (ssl->param);
502}
503
504int
505SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
506{
507 return (X509_VERIFY_PARAM_set1(ssl->param, vpm));
508}
509
510void
511SSL_free(SSL *s)
512{
513 int i;
514
515 if (s == NULL)
516 return;
517
518 i = CRYPTO_add(&s->references, -1, CRYPTO_LOCK_SSL);
519 if (i > 0)
520 return;
521
522 X509_VERIFY_PARAM_free(s->param);
523
524 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->internal->ex_data);
525
526 if (s->bbio != NULL) {
527 /* If the buffering BIO is in place, pop it off */
528 if (s->bbio == s->wbio) {
529 s->wbio = BIO_pop(s->wbio);
530 }
531 BIO_free(s->bbio);
532 s->bbio = NULL;
533 }
534
535 if (s->rbio != s->wbio)
536 BIO_free_all(s->rbio);
537 BIO_free_all(s->wbio);
538
539 tls13_ctx_free(s->internal->tls13);
540
541 ssl3_release_init_buffer(s);
542
543 sk_SSL_CIPHER_free(s->cipher_list);
544 sk_SSL_CIPHER_free(s->internal->cipher_list_tls13);
545
546 /* Make the next call work :-) */
547 if (s->session != NULL) {
548 ssl_clear_bad_session(s);
549 SSL_SESSION_free(s->session);
550 }
551
552 ssl_clear_cipher_state(s);
553
554 ssl_cert_free(s->cert);
555
556 free(s->tlsext_hostname);
557 SSL_CTX_free(s->initial_ctx);
558
559 free(s->internal->tlsext_ecpointformatlist);
560 free(s->internal->tlsext_supportedgroups);
561
562 sk_X509_EXTENSION_pop_free(s->internal->tlsext_ocsp_exts,
563 X509_EXTENSION_free);
564 sk_OCSP_RESPID_pop_free(s->internal->tlsext_ocsp_ids, OCSP_RESPID_free);
565 free(s->internal->tlsext_ocsp_resp);
566
567 sk_X509_NAME_pop_free(s->internal->client_CA, X509_NAME_free);
568
569 if (s->method != NULL)
570 s->method->ssl_free(s);
571
572 SSL_CTX_free(s->ctx);
573
574 free(s->internal->alpn_client_proto_list);
575
576#ifndef OPENSSL_NO_SRTP
577 sk_SRTP_PROTECTION_PROFILE_free(s->internal->srtp_profiles);
578#endif
579
580 tls12_record_layer_free(s->internal->rl);
581
582 free(s->internal);
583 free(s);
584}
585
586int
587SSL_up_ref(SSL *s)
588{
589 int refs = CRYPTO_add(&s->references, 1, CRYPTO_LOCK_SSL);
590 return (refs > 1) ? 1 : 0;
591}
592
593void
594SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio)
595{
596 /* If the output buffering BIO is still in place, remove it */
597 if (s->bbio != NULL) {
598 if (s->wbio == s->bbio) {
599 s->wbio = BIO_next(s->wbio);
600 BIO_set_next(s->bbio, NULL);
601 }
602 }
603
604 if (s->rbio != rbio && s->rbio != s->wbio)
605 BIO_free_all(s->rbio);
606 if (s->wbio != wbio)
607 BIO_free_all(s->wbio);
608 s->rbio = rbio;
609 s->wbio = wbio;
610}
611
612BIO *
613SSL_get_rbio(const SSL *s)
614{
615 return (s->rbio);
616}
617
618void
619SSL_set0_rbio(SSL *s, BIO *rbio)
620{
621 BIO_free_all(s->rbio);
622 s->rbio = rbio;
623}
624
625BIO *
626SSL_get_wbio(const SSL *s)
627{
628 return (s->wbio);
629}
630
631int
632SSL_get_fd(const SSL *s)
633{
634 return (SSL_get_rfd(s));
635}
636
637int
638SSL_get_rfd(const SSL *s)
639{
640 int ret = -1;
641 BIO *b, *r;
642
643 b = SSL_get_rbio(s);
644 r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
645 if (r != NULL)
646 BIO_get_fd(r, &ret);
647 return (ret);
648}
649
650int
651SSL_get_wfd(const SSL *s)
652{
653 int ret = -1;
654 BIO *b, *r;
655
656 b = SSL_get_wbio(s);
657 r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
658 if (r != NULL)
659 BIO_get_fd(r, &ret);
660 return (ret);
661}
662
663int
664SSL_set_fd(SSL *s, int fd)
665{
666 int ret = 0;
667 BIO *bio = NULL;
668
669 bio = BIO_new(BIO_s_socket());
670
671 if (bio == NULL) {
672 SSLerror(s, ERR_R_BUF_LIB);
673 goto err;
674 }
675 BIO_set_fd(bio, fd, BIO_NOCLOSE);
676 SSL_set_bio(s, bio, bio);
677 ret = 1;
678 err:
679 return (ret);
680}
681
682int
683SSL_set_wfd(SSL *s, int fd)
684{
685 int ret = 0;
686 BIO *bio = NULL;
687
688 if ((s->rbio == NULL) || (BIO_method_type(s->rbio) != BIO_TYPE_SOCKET)
689 || ((int)BIO_get_fd(s->rbio, NULL) != fd)) {
690 bio = BIO_new(BIO_s_socket());
691
692 if (bio == NULL) {
693 SSLerror(s, ERR_R_BUF_LIB);
694 goto err;
695 }
696 BIO_set_fd(bio, fd, BIO_NOCLOSE);
697 SSL_set_bio(s, SSL_get_rbio(s), bio);
698 } else
699 SSL_set_bio(s, SSL_get_rbio(s), SSL_get_rbio(s));
700 ret = 1;
701 err:
702 return (ret);
703}
704
705int
706SSL_set_rfd(SSL *s, int fd)
707{
708 int ret = 0;
709 BIO *bio = NULL;
710
711 if ((s->wbio == NULL) || (BIO_method_type(s->wbio) != BIO_TYPE_SOCKET)
712 || ((int)BIO_get_fd(s->wbio, NULL) != fd)) {
713 bio = BIO_new(BIO_s_socket());
714
715 if (bio == NULL) {
716 SSLerror(s, ERR_R_BUF_LIB);
717 goto err;
718 }
719 BIO_set_fd(bio, fd, BIO_NOCLOSE);
720 SSL_set_bio(s, bio, SSL_get_wbio(s));
721 } else
722 SSL_set_bio(s, SSL_get_wbio(s), SSL_get_wbio(s));
723 ret = 1;
724 err:
725 return (ret);
726}
727
728
729/* return length of latest Finished message we sent, copy to 'buf' */
730size_t
731SSL_get_finished(const SSL *s, void *buf, size_t count)
732{
733 size_t ret;
734
735 ret = s->s3->hs.finished_len;
736 if (count > ret)
737 count = ret;
738 memcpy(buf, s->s3->hs.finished, count);
739 return (ret);
740}
741
742/* return length of latest Finished message we expected, copy to 'buf' */
743size_t
744SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
745{
746 size_t ret;
747
748 ret = s->s3->hs.peer_finished_len;
749 if (count > ret)
750 count = ret;
751 memcpy(buf, s->s3->hs.peer_finished, count);
752 return (ret);
753}
754
755
756int
757SSL_get_verify_mode(const SSL *s)
758{
759 return (s->verify_mode);
760}
761
762int
763SSL_get_verify_depth(const SSL *s)
764{
765 return (X509_VERIFY_PARAM_get_depth(s->param));
766}
767
768int
769(*SSL_get_verify_callback(const SSL *s))(int, X509_STORE_CTX *)
770{
771 return (s->internal->verify_callback);
772}
773
774void
775SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb)
776{
777 ctx->internal->keylog_callback = cb;
778}
779
780SSL_CTX_keylog_cb_func
781SSL_CTX_get_keylog_callback(const SSL_CTX *ctx)
782{
783 return (ctx->internal->keylog_callback);
784}
785
786int
787SSL_set_num_tickets(SSL *s, size_t num_tickets)
788{
789 s->internal->num_tickets = num_tickets;
790
791 return 1;
792}
793
794size_t
795SSL_get_num_tickets(const SSL *s)
796{
797 return s->internal->num_tickets;
798}
799
800int
801SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets)
802{
803 ctx->internal->num_tickets = num_tickets;
804
805 return 1;
806}
807
808size_t
809SSL_CTX_get_num_tickets(const SSL_CTX *ctx)
810{
811 return ctx->internal->num_tickets;
812}
813
814int
815SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
816{
817 return (ctx->verify_mode);
818}
819
820int
821SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
822{
823 return (X509_VERIFY_PARAM_get_depth(ctx->param));
824}
825
826int
827(*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *)
828{
829 return (ctx->internal->default_verify_callback);
830}
831
832void
833SSL_set_verify(SSL *s, int mode,
834 int (*callback)(int ok, X509_STORE_CTX *ctx))
835{
836 s->verify_mode = mode;
837 if (callback != NULL)
838 s->internal->verify_callback = callback;
839}
840
841void
842SSL_set_verify_depth(SSL *s, int depth)
843{
844 X509_VERIFY_PARAM_set_depth(s->param, depth);
845}
846
847void
848SSL_set_read_ahead(SSL *s, int yes)
849{
850 s->internal->read_ahead = yes;
851}
852
853int
854SSL_get_read_ahead(const SSL *s)
855{
856 return (s->internal->read_ahead);
857}
858
859int
860SSL_pending(const SSL *s)
861{
862 return (s->method->ssl_pending(s));
863}
864
865X509 *
866SSL_get_peer_certificate(const SSL *s)
867{
868 X509 *cert;
869
870 if (s == NULL || s->session == NULL)
871 return NULL;
872
873 if ((cert = s->session->peer_cert) == NULL)
874 return NULL;
875
876 X509_up_ref(cert);
877
878 return cert;
879}
880
881STACK_OF(X509) *
882SSL_get_peer_cert_chain(const SSL *s)
883{
884 if (s == NULL || s->session == NULL)
885 return NULL;
886
887 /*
888 * If we are a client, cert_chain includes the peer's own
889 * certificate; if we are a server, it does not.
890 */
891 return s->session->cert_chain;
892}
893
894STACK_OF(X509) *
895SSL_get0_verified_chain(const SSL *s)
896{
897 return s->internal->verified_chain;
898}
899
900/*
901 * Now in theory, since the calling process own 't' it should be safe to
902 * modify. We need to be able to read f without being hassled
903 */
904int
905SSL_copy_session_id(SSL *t, const SSL *f)
906{
907 SSL_CERT *tmp;
908
909 /* Do we need to do SSL locking? */
910 if (!SSL_set_session(t, SSL_get_session(f)))
911 return 0;
912
913 /* What if we are set up for one protocol but want to talk another? */
914 if (t->method != f->method) {
915 t->method->ssl_free(t);
916 t->method = f->method;
917 if (!t->method->ssl_new(t))
918 return 0;
919 }
920
921 tmp = t->cert;
922 if (f->cert != NULL) {
923 CRYPTO_add(&f->cert->references, 1, CRYPTO_LOCK_SSL_CERT);
924 t->cert = f->cert;
925 } else
926 t->cert = NULL;
927 ssl_cert_free(tmp);
928
929 if (!SSL_set_session_id_context(t, f->sid_ctx, f->sid_ctx_length))
930 return 0;
931
932 return 1;
933}
934
935/* Fix this so it checks all the valid key/cert options */
936int
937SSL_CTX_check_private_key(const SSL_CTX *ctx)
938{
939 if ((ctx == NULL) || (ctx->internal->cert == NULL) ||
940 (ctx->internal->cert->key->x509 == NULL)) {
941 SSLerrorx(SSL_R_NO_CERTIFICATE_ASSIGNED);
942 return (0);
943 }
944 if (ctx->internal->cert->key->privatekey == NULL) {
945 SSLerrorx(SSL_R_NO_PRIVATE_KEY_ASSIGNED);
946 return (0);
947 }
948 return (X509_check_private_key(ctx->internal->cert->key->x509,
949 ctx->internal->cert->key->privatekey));
950}
951
952/* Fix this function so that it takes an optional type parameter */
953int
954SSL_check_private_key(const SSL *ssl)
955{
956 if (ssl == NULL) {
957 SSLerrorx(ERR_R_PASSED_NULL_PARAMETER);
958 return (0);
959 }
960 if (ssl->cert == NULL) {
961 SSLerror(ssl, SSL_R_NO_CERTIFICATE_ASSIGNED);
962 return (0);
963 }
964 if (ssl->cert->key->x509 == NULL) {
965 SSLerror(ssl, SSL_R_NO_CERTIFICATE_ASSIGNED);
966 return (0);
967 }
968 if (ssl->cert->key->privatekey == NULL) {
969 SSLerror(ssl, SSL_R_NO_PRIVATE_KEY_ASSIGNED);
970 return (0);
971 }
972 return (X509_check_private_key(ssl->cert->key->x509,
973 ssl->cert->key->privatekey));
974}
975
976int
977SSL_accept(SSL *s)
978{
979 if (s->internal->handshake_func == NULL)
980 SSL_set_accept_state(s); /* Not properly initialized yet */
981
982 return (s->method->ssl_accept(s));
983}
984
985int
986SSL_connect(SSL *s)
987{
988 if (s->internal->handshake_func == NULL)
989 SSL_set_connect_state(s); /* Not properly initialized yet */
990
991 return (s->method->ssl_connect(s));
992}
993
994int
995SSL_is_dtls(const SSL *s)
996{
997 return s->method->dtls;
998}
999
1000int
1001SSL_is_server(const SSL *s)
1002{
1003 return s->server;
1004}
1005
1006static long
1007ssl_get_default_timeout()
1008{
1009 /*
1010 * 2 hours, the 24 hours mentioned in the TLSv1 spec
1011 * is way too long for http, the cache would over fill.
1012 */
1013 return (2 * 60 * 60);
1014}
1015
1016long
1017SSL_get_default_timeout(const SSL *s)
1018{
1019 return (ssl_get_default_timeout());
1020}
1021
1022int
1023SSL_read(SSL *s, void *buf, int num)
1024{
1025 if (num < 0) {
1026 SSLerror(s, SSL_R_BAD_LENGTH);
1027 return -1;
1028 }
1029
1030 if (s->internal->handshake_func == NULL) {
1031 SSLerror(s, SSL_R_UNINITIALIZED);
1032 return (-1);
1033 }
1034
1035 if (s->internal->shutdown & SSL_RECEIVED_SHUTDOWN) {
1036 s->internal->rwstate = SSL_NOTHING;
1037 return (0);
1038 }
1039 return ssl3_read(s, buf, num);
1040}
1041
1042int
1043SSL_read_ex(SSL *s, void *buf, size_t num, size_t *bytes_read)
1044{
1045 int ret;
1046
1047 /* We simply don't bother supporting enormous reads */
1048 if (num > INT_MAX) {
1049 SSLerror(s, SSL_R_BAD_LENGTH);
1050 return 0;
1051 }
1052
1053 ret = SSL_read(s, buf, (int)num);
1054 if (ret < 0)
1055 ret = 0;
1056 *bytes_read = ret;
1057
1058 return ret > 0;
1059}
1060
1061int
1062SSL_peek(SSL *s, void *buf, int num)
1063{
1064 if (num < 0) {
1065 SSLerror(s, SSL_R_BAD_LENGTH);
1066 return -1;
1067 }
1068
1069 if (s->internal->handshake_func == NULL) {
1070 SSLerror(s, SSL_R_UNINITIALIZED);
1071 return (-1);
1072 }
1073
1074 if (s->internal->shutdown & SSL_RECEIVED_SHUTDOWN) {
1075 return (0);
1076 }
1077 return ssl3_peek(s, buf, num);
1078}
1079
1080int
1081SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *bytes_peeked)
1082{
1083 int ret;
1084
1085 /* We simply don't bother supporting enormous peeks */
1086 if (num > INT_MAX) {
1087 SSLerror(s, SSL_R_BAD_LENGTH);
1088 return 0;
1089 }
1090
1091 ret = SSL_peek(s, buf, (int)num);
1092 if (ret < 0)
1093 ret = 0;
1094 *bytes_peeked = ret;
1095
1096 return ret > 0;
1097}
1098
1099int
1100SSL_write(SSL *s, const void *buf, int num)
1101{
1102 if (num < 0) {
1103 SSLerror(s, SSL_R_BAD_LENGTH);
1104 return -1;
1105 }
1106
1107 if (s->internal->handshake_func == NULL) {
1108 SSLerror(s, SSL_R_UNINITIALIZED);
1109 return (-1);
1110 }
1111
1112 if (s->internal->shutdown & SSL_SENT_SHUTDOWN) {
1113 s->internal->rwstate = SSL_NOTHING;
1114 SSLerror(s, SSL_R_PROTOCOL_IS_SHUTDOWN);
1115 return (-1);
1116 }
1117 return ssl3_write(s, buf, num);
1118}
1119
1120int
1121SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *bytes_written)
1122{
1123 int ret;
1124
1125 /* We simply don't bother supporting enormous writes */
1126 if (num > INT_MAX) {
1127 SSLerror(s, SSL_R_BAD_LENGTH);
1128 return 0;
1129 }
1130
1131 if (num == 0) {
1132 /* This API is special */
1133 bytes_written = 0;
1134 return 1;
1135 }
1136
1137 ret = SSL_write(s, buf, (int)num);
1138 if (ret < 0)
1139 ret = 0;
1140 *bytes_written = ret;
1141
1142 return ret > 0;
1143}
1144
1145uint32_t
1146SSL_CTX_get_max_early_data(const SSL_CTX *ctx)
1147{
1148 return 0;
1149}
1150
1151int
1152SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data)
1153{
1154 return 1;
1155}
1156
1157uint32_t
1158SSL_get_max_early_data(const SSL *s)
1159{
1160 return 0;
1161}
1162
1163int
1164SSL_set_max_early_data(SSL *s, uint32_t max_early_data)
1165{
1166 return 1;
1167}
1168
1169int
1170SSL_get_early_data_status(const SSL *s)
1171{
1172 return SSL_EARLY_DATA_REJECTED;
1173}
1174
1175int
1176SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes)
1177{
1178 *readbytes = 0;
1179
1180 if (!s->server) {
1181 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1182 return SSL_READ_EARLY_DATA_ERROR;
1183 }
1184
1185 return SSL_READ_EARLY_DATA_FINISH;
1186}
1187
1188int
1189SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written)
1190{
1191 *written = 0;
1192 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
1193 return 0;
1194}
1195
1196int
1197SSL_shutdown(SSL *s)
1198{
1199 /*
1200 * Note that this function behaves differently from what one might
1201 * expect. Return values are 0 for no success (yet),
1202 * 1 for success; but calling it once is usually not enough,
1203 * even if blocking I/O is used (see ssl3_shutdown).
1204 */
1205
1206 if (s->internal->handshake_func == NULL) {
1207 SSLerror(s, SSL_R_UNINITIALIZED);
1208 return (-1);
1209 }
1210
1211 if (s != NULL && !SSL_in_init(s))
1212 return (s->method->ssl_shutdown(s));
1213
1214 return (1);
1215}
1216
1217int
1218SSL_renegotiate(SSL *s)
1219{
1220 if (s->internal->renegotiate == 0)
1221 s->internal->renegotiate = 1;
1222
1223 s->internal->new_session = 1;
1224
1225 return (s->method->ssl_renegotiate(s));
1226}
1227
1228int
1229SSL_renegotiate_abbreviated(SSL *s)
1230{
1231 if (s->internal->renegotiate == 0)
1232 s->internal->renegotiate = 1;
1233
1234 s->internal->new_session = 0;
1235
1236 return (s->method->ssl_renegotiate(s));
1237}
1238
1239int
1240SSL_renegotiate_pending(SSL *s)
1241{
1242 /*
1243 * Becomes true when negotiation is requested;
1244 * false again once a handshake has finished.
1245 */
1246 return (s->internal->renegotiate != 0);
1247}
1248
1249long
1250SSL_ctrl(SSL *s, int cmd, long larg, void *parg)
1251{
1252 long l;
1253
1254 switch (cmd) {
1255 case SSL_CTRL_GET_READ_AHEAD:
1256 return (s->internal->read_ahead);
1257 case SSL_CTRL_SET_READ_AHEAD:
1258 l = s->internal->read_ahead;
1259 s->internal->read_ahead = larg;
1260 return (l);
1261
1262 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1263 s->internal->msg_callback_arg = parg;
1264 return (1);
1265
1266 case SSL_CTRL_OPTIONS:
1267 return (s->internal->options|=larg);
1268 case SSL_CTRL_CLEAR_OPTIONS:
1269 return (s->internal->options&=~larg);
1270 case SSL_CTRL_MODE:
1271 return (s->internal->mode|=larg);
1272 case SSL_CTRL_CLEAR_MODE:
1273 return (s->internal->mode &=~larg);
1274 case SSL_CTRL_GET_MAX_CERT_LIST:
1275 return (s->internal->max_cert_list);
1276 case SSL_CTRL_SET_MAX_CERT_LIST:
1277 l = s->internal->max_cert_list;
1278 s->internal->max_cert_list = larg;
1279 return (l);
1280 case SSL_CTRL_SET_MTU:
1281#ifndef OPENSSL_NO_DTLS1
1282 if (larg < (long)dtls1_min_mtu())
1283 return (0);
1284#endif
1285 if (SSL_is_dtls(s)) {
1286 s->d1->mtu = larg;
1287 return (larg);
1288 }
1289 return (0);
1290 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1291 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1292 return (0);
1293 s->max_send_fragment = larg;
1294 return (1);
1295 case SSL_CTRL_GET_RI_SUPPORT:
1296 if (s->s3)
1297 return (s->s3->send_connection_binding);
1298 else return (0);
1299 default:
1300 if (SSL_is_dtls(s))
1301 return dtls1_ctrl(s, cmd, larg, parg);
1302 return ssl3_ctrl(s, cmd, larg, parg);
1303 }
1304}
1305
1306long
1307SSL_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
1308{
1309 switch (cmd) {
1310 case SSL_CTRL_SET_MSG_CALLBACK:
1311 s->internal->msg_callback = (ssl_msg_callback_fn *)(fp);
1312 return (1);
1313
1314 default:
1315 return (ssl3_callback_ctrl(s, cmd, fp));
1316 }
1317}
1318
1319struct lhash_st_SSL_SESSION *
1320SSL_CTX_sessions(SSL_CTX *ctx)
1321{
1322 return (ctx->internal->sessions);
1323}
1324
1325long
1326SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
1327{
1328 long l;
1329
1330 switch (cmd) {
1331 case SSL_CTRL_GET_READ_AHEAD:
1332 return (ctx->internal->read_ahead);
1333 case SSL_CTRL_SET_READ_AHEAD:
1334 l = ctx->internal->read_ahead;
1335 ctx->internal->read_ahead = larg;
1336 return (l);
1337
1338 case SSL_CTRL_SET_MSG_CALLBACK_ARG:
1339 ctx->internal->msg_callback_arg = parg;
1340 return (1);
1341
1342 case SSL_CTRL_GET_MAX_CERT_LIST:
1343 return (ctx->internal->max_cert_list);
1344 case SSL_CTRL_SET_MAX_CERT_LIST:
1345 l = ctx->internal->max_cert_list;
1346 ctx->internal->max_cert_list = larg;
1347 return (l);
1348
1349 case SSL_CTRL_SET_SESS_CACHE_SIZE:
1350 l = ctx->internal->session_cache_size;
1351 ctx->internal->session_cache_size = larg;
1352 return (l);
1353 case SSL_CTRL_GET_SESS_CACHE_SIZE:
1354 return (ctx->internal->session_cache_size);
1355 case SSL_CTRL_SET_SESS_CACHE_MODE:
1356 l = ctx->internal->session_cache_mode;
1357 ctx->internal->session_cache_mode = larg;
1358 return (l);
1359 case SSL_CTRL_GET_SESS_CACHE_MODE:
1360 return (ctx->internal->session_cache_mode);
1361
1362 case SSL_CTRL_SESS_NUMBER:
1363 return (lh_SSL_SESSION_num_items(ctx->internal->sessions));
1364 case SSL_CTRL_SESS_CONNECT:
1365 return (ctx->internal->stats.sess_connect);
1366 case SSL_CTRL_SESS_CONNECT_GOOD:
1367 return (ctx->internal->stats.sess_connect_good);
1368 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
1369 return (ctx->internal->stats.sess_connect_renegotiate);
1370 case SSL_CTRL_SESS_ACCEPT:
1371 return (ctx->internal->stats.sess_accept);
1372 case SSL_CTRL_SESS_ACCEPT_GOOD:
1373 return (ctx->internal->stats.sess_accept_good);
1374 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
1375 return (ctx->internal->stats.sess_accept_renegotiate);
1376 case SSL_CTRL_SESS_HIT:
1377 return (ctx->internal->stats.sess_hit);
1378 case SSL_CTRL_SESS_CB_HIT:
1379 return (ctx->internal->stats.sess_cb_hit);
1380 case SSL_CTRL_SESS_MISSES:
1381 return (ctx->internal->stats.sess_miss);
1382 case SSL_CTRL_SESS_TIMEOUTS:
1383 return (ctx->internal->stats.sess_timeout);
1384 case SSL_CTRL_SESS_CACHE_FULL:
1385 return (ctx->internal->stats.sess_cache_full);
1386 case SSL_CTRL_OPTIONS:
1387 return (ctx->internal->options|=larg);
1388 case SSL_CTRL_CLEAR_OPTIONS:
1389 return (ctx->internal->options&=~larg);
1390 case SSL_CTRL_MODE:
1391 return (ctx->internal->mode|=larg);
1392 case SSL_CTRL_CLEAR_MODE:
1393 return (ctx->internal->mode&=~larg);
1394 case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
1395 if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
1396 return (0);
1397 ctx->internal->max_send_fragment = larg;
1398 return (1);
1399 default:
1400 return (ssl3_ctx_ctrl(ctx, cmd, larg, parg));
1401 }
1402}
1403
1404long
1405SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
1406{
1407 switch (cmd) {
1408 case SSL_CTRL_SET_MSG_CALLBACK:
1409 ctx->internal->msg_callback = (ssl_msg_callback_fn *)fp;
1410 return (1);
1411
1412 default:
1413 return (ssl3_ctx_callback_ctrl(ctx, cmd, fp));
1414 }
1415}
1416
1417int
1418ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
1419{
1420 long l;
1421
1422 l = a->id - b->id;
1423 if (l == 0L)
1424 return (0);
1425 else
1426 return ((l > 0) ? 1:-1);
1427}
1428
1429STACK_OF(SSL_CIPHER) *
1430SSL_get_ciphers(const SSL *s)
1431{
1432 if (s == NULL)
1433 return (NULL);
1434 if (s->cipher_list != NULL)
1435 return (s->cipher_list);
1436
1437 return (s->ctx->cipher_list);
1438}
1439
1440STACK_OF(SSL_CIPHER) *
1441SSL_get_client_ciphers(const SSL *s)
1442{
1443 if (s == NULL || s->session == NULL || !s->server)
1444 return NULL;
1445 return s->session->ciphers;
1446}
1447
1448STACK_OF(SSL_CIPHER) *
1449SSL_get1_supported_ciphers(SSL *s)
1450{
1451 STACK_OF(SSL_CIPHER) *supported_ciphers = NULL, *ciphers;
1452 const SSL_CIPHER *cipher;
1453 uint16_t min_vers, max_vers;
1454 int i;
1455
1456 if (s == NULL)
1457 return NULL;
1458 if (!ssl_supported_tls_version_range(s, &min_vers, &max_vers))
1459 return NULL;
1460 if ((ciphers = SSL_get_ciphers(s)) == NULL)
1461 return NULL;
1462 if ((supported_ciphers = sk_SSL_CIPHER_new_null()) == NULL)
1463 return NULL;
1464
1465 for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
1466 if ((cipher = sk_SSL_CIPHER_value(ciphers, i)) == NULL)
1467 goto err;
1468 if (!ssl_cipher_allowed_in_tls_version_range(cipher, min_vers,
1469 max_vers))
1470 continue;
1471 if (!sk_SSL_CIPHER_push(supported_ciphers, cipher))
1472 goto err;
1473 }
1474
1475 if (sk_SSL_CIPHER_num(supported_ciphers) > 0)
1476 return supported_ciphers;
1477
1478 err:
1479 sk_SSL_CIPHER_free(supported_ciphers);
1480 return NULL;
1481}
1482
1483/* See if we have any ECC cipher suites. */
1484int
1485ssl_has_ecc_ciphers(SSL *s)
1486{
1487 STACK_OF(SSL_CIPHER) *ciphers;
1488 unsigned long alg_k, alg_a;
1489 SSL_CIPHER *cipher;
1490 int i;
1491
1492 if ((ciphers = SSL_get_ciphers(s)) == NULL)
1493 return 0;
1494
1495 for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
1496 cipher = sk_SSL_CIPHER_value(ciphers, i);
1497
1498 alg_k = cipher->algorithm_mkey;
1499 alg_a = cipher->algorithm_auth;
1500
1501 if ((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA))
1502 return 1;
1503 }
1504
1505 return 0;
1506}
1507
1508/* The old interface to get the same thing as SSL_get_ciphers(). */
1509const char *
1510SSL_get_cipher_list(const SSL *s, int n)
1511{
1512 STACK_OF(SSL_CIPHER) *ciphers;
1513 const SSL_CIPHER *cipher;
1514
1515 if ((ciphers = SSL_get_ciphers(s)) == NULL)
1516 return (NULL);
1517 if ((cipher = sk_SSL_CIPHER_value(ciphers, n)) == NULL)
1518 return (NULL);
1519
1520 return (cipher->name);
1521}
1522
1523STACK_OF(SSL_CIPHER) *
1524SSL_CTX_get_ciphers(const SSL_CTX *ctx)
1525{
1526 if (ctx == NULL)
1527 return NULL;
1528 return ctx->cipher_list;
1529}
1530
1531/* Specify the ciphers to be used by default by the SSL_CTX. */
1532int
1533SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
1534{
1535 STACK_OF(SSL_CIPHER) *ciphers;
1536
1537 /*
1538 * ssl_create_cipher_list may return an empty stack if it was unable to
1539 * find a cipher matching the given rule string (for example if the
1540 * rule string specifies a cipher which has been disabled). This is not
1541 * an error as far as ssl_create_cipher_list is concerned, and hence
1542 * ctx->cipher_list has been updated.
1543 */
1544 ciphers = ssl_create_cipher_list(ctx->method, &ctx->cipher_list,
1545 ctx->internal->cipher_list_tls13, str);
1546 if (ciphers == NULL) {
1547 return (0);
1548 } else if (sk_SSL_CIPHER_num(ciphers) == 0) {
1549 SSLerrorx(SSL_R_NO_CIPHER_MATCH);
1550 return (0);
1551 }
1552 return (1);
1553}
1554
1555int
1556SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str)
1557{
1558 if (!ssl_parse_ciphersuites(&ctx->internal->cipher_list_tls13, str)) {
1559 SSLerrorx(SSL_R_NO_CIPHER_MATCH);
1560 return 0;
1561 }
1562 if (!ssl_merge_cipherlists(ctx->cipher_list,
1563 ctx->internal->cipher_list_tls13, &ctx->cipher_list))
1564 return 0;
1565
1566 return 1;
1567}
1568
1569/* Specify the ciphers to be used by the SSL. */
1570int
1571SSL_set_cipher_list(SSL *s, const char *str)
1572{
1573 STACK_OF(SSL_CIPHER) *ciphers, *ciphers_tls13;
1574
1575 if ((ciphers_tls13 = s->internal->cipher_list_tls13) == NULL)
1576 ciphers_tls13 = s->ctx->internal->cipher_list_tls13;
1577
1578 /* See comment in SSL_CTX_set_cipher_list. */
1579 ciphers = ssl_create_cipher_list(s->ctx->method, &s->cipher_list,
1580 ciphers_tls13, str);
1581 if (ciphers == NULL) {
1582 return (0);
1583 } else if (sk_SSL_CIPHER_num(ciphers) == 0) {
1584 SSLerror(s, SSL_R_NO_CIPHER_MATCH);
1585 return (0);
1586 }
1587 return (1);
1588}
1589
1590int
1591SSL_set_ciphersuites(SSL *s, const char *str)
1592{
1593 STACK_OF(SSL_CIPHER) *ciphers;
1594
1595 if ((ciphers = s->cipher_list) == NULL)
1596 ciphers = s->ctx->cipher_list;
1597
1598 if (!ssl_parse_ciphersuites(&s->internal->cipher_list_tls13, str)) {
1599 SSLerrorx(SSL_R_NO_CIPHER_MATCH);
1600 return (0);
1601 }
1602 if (!ssl_merge_cipherlists(ciphers, s->internal->cipher_list_tls13,
1603 &s->cipher_list))
1604 return 0;
1605
1606 return 1;
1607}
1608
1609char *
1610SSL_get_shared_ciphers(const SSL *s, char *buf, int len)
1611{
1612 STACK_OF(SSL_CIPHER) *client_ciphers, *server_ciphers;
1613 const SSL_CIPHER *cipher;
1614 size_t curlen = 0;
1615 char *end;
1616 int i;
1617
1618 if (!s->server || s->session == NULL || len < 2)
1619 return NULL;
1620
1621 if ((client_ciphers = s->session->ciphers) == NULL)
1622 return NULL;
1623 if ((server_ciphers = SSL_get_ciphers(s)) == NULL)
1624 return NULL;
1625 if (sk_SSL_CIPHER_num(client_ciphers) == 0 ||
1626 sk_SSL_CIPHER_num(server_ciphers) == 0)
1627 return NULL;
1628
1629 buf[0] = '\0';
1630 for (i = 0; i < sk_SSL_CIPHER_num(client_ciphers); i++) {
1631 cipher = sk_SSL_CIPHER_value(client_ciphers, i);
1632
1633 if (sk_SSL_CIPHER_find(server_ciphers, cipher) < 0)
1634 continue;
1635
1636 end = buf + curlen;
1637 if (strlcat(buf, cipher->name, len) >= len ||
1638 (curlen = strlcat(buf, ":", len)) >= len) {
1639 /* remove truncated cipher from list */
1640 *end = '\0';
1641 break;
1642 }
1643 }
1644 /* remove trailing colon */
1645 if ((end = strrchr(buf, ':')) != NULL)
1646 *end = '\0';
1647 return buf;
1648}
1649
1650/*
1651 * Return a servername extension value if provided in Client Hello, or NULL.
1652 * So far, only host_name types are defined (RFC 3546).
1653 */
1654const char *
1655SSL_get_servername(const SSL *s, const int type)
1656{
1657 if (type != TLSEXT_NAMETYPE_host_name)
1658 return (NULL);
1659
1660 return (s->session && !s->tlsext_hostname ?
1661 s->session->tlsext_hostname :
1662 s->tlsext_hostname);
1663}
1664
1665int
1666SSL_get_servername_type(const SSL *s)
1667{
1668 if (s->session &&
1669 (!s->tlsext_hostname ?
1670 s->session->tlsext_hostname : s->tlsext_hostname))
1671 return (TLSEXT_NAMETYPE_host_name);
1672 return (-1);
1673}
1674
1675/*
1676 * SSL_select_next_proto implements standard protocol selection. It is
1677 * expected that this function is called from the callback set by
1678 * SSL_CTX_set_alpn_select_cb.
1679 *
1680 * The protocol data is assumed to be a vector of 8-bit, length prefixed byte
1681 * strings. The length byte itself is not included in the length. A byte
1682 * string of length 0 is invalid. No byte string may be truncated.
1683 *
1684 * It returns either:
1685 * OPENSSL_NPN_NEGOTIATED if a common protocol was found, or
1686 * OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
1687 */
1688int
1689SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
1690 const unsigned char *server, unsigned int server_len,
1691 const unsigned char *client, unsigned int client_len)
1692{
1693 unsigned int i, j;
1694 const unsigned char *result;
1695 int status = OPENSSL_NPN_UNSUPPORTED;
1696
1697 /*
1698 * For each protocol in server preference order,
1699 * see if we support it.
1700 */
1701 for (i = 0; i < server_len; ) {
1702 for (j = 0; j < client_len; ) {
1703 if (server[i] == client[j] &&
1704 memcmp(&server[i + 1],
1705 &client[j + 1], server[i]) == 0) {
1706 /* We found a match */
1707 result = &server[i];
1708 status = OPENSSL_NPN_NEGOTIATED;
1709 goto found;
1710 }
1711 j += client[j];
1712 j++;
1713 }
1714 i += server[i];
1715 i++;
1716 }
1717
1718 /* There's no overlap between our protocols and the server's list. */
1719 result = client;
1720 status = OPENSSL_NPN_NO_OVERLAP;
1721
1722 found:
1723 *out = (unsigned char *) result + 1;
1724 *outlen = result[0];
1725 return (status);
1726}
1727
1728/* SSL_get0_next_proto_negotiated is deprecated. */
1729void
1730SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
1731 unsigned int *len)
1732{
1733 *data = NULL;
1734 *len = 0;
1735}
1736
1737/* SSL_CTX_set_next_protos_advertised_cb is deprecated. */
1738void
1739SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *ctx, int (*cb) (SSL *ssl,
1740 const unsigned char **out, unsigned int *outlen, void *arg), void *arg)
1741{
1742}
1743
1744/* SSL_CTX_set_next_proto_select_cb is deprecated. */
1745void
1746SSL_CTX_set_next_proto_select_cb(SSL_CTX *ctx, int (*cb) (SSL *s,
1747 unsigned char **out, unsigned char *outlen, const unsigned char *in,
1748 unsigned int inlen, void *arg), void *arg)
1749{
1750}
1751
1752/*
1753 * SSL_CTX_set_alpn_protos sets the ALPN protocol list to the specified
1754 * protocols, which must be in wire-format (i.e. a series of non-empty,
1755 * 8-bit length-prefixed strings). Returns 0 on success.
1756 */
1757int
1758SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
1759 unsigned int protos_len)
1760{
1761 int failed = 1;
1762
1763 if (protos == NULL || protos_len == 0)
1764 goto err;
1765
1766 free(ctx->internal->alpn_client_proto_list);
1767 ctx->internal->alpn_client_proto_list = NULL;
1768 ctx->internal->alpn_client_proto_list_len = 0;
1769
1770 if ((ctx->internal->alpn_client_proto_list = malloc(protos_len))
1771 == NULL)
1772 goto err;
1773 ctx->internal->alpn_client_proto_list_len = protos_len;
1774
1775 memcpy(ctx->internal->alpn_client_proto_list, protos, protos_len);
1776
1777 failed = 0;
1778
1779 err:
1780 /* NOTE: Return values are the reverse of what you expect. */
1781 return (failed);
1782}
1783
1784/*
1785 * SSL_set_alpn_protos sets the ALPN protocol list to the specified
1786 * protocols, which must be in wire-format (i.e. a series of non-empty,
1787 * 8-bit length-prefixed strings). Returns 0 on success.
1788 */
1789int
1790SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
1791 unsigned int protos_len)
1792{
1793 int failed = 1;
1794
1795 if (protos == NULL || protos_len == 0)
1796 goto err;
1797
1798 free(ssl->internal->alpn_client_proto_list);
1799 ssl->internal->alpn_client_proto_list = NULL;
1800 ssl->internal->alpn_client_proto_list_len = 0;
1801
1802 if ((ssl->internal->alpn_client_proto_list = malloc(protos_len))
1803 == NULL)
1804 goto err;
1805 ssl->internal->alpn_client_proto_list_len = protos_len;
1806
1807 memcpy(ssl->internal->alpn_client_proto_list, protos, protos_len);
1808
1809 failed = 0;
1810
1811 err:
1812 /* NOTE: Return values are the reverse of what you expect. */
1813 return (failed);
1814}
1815
1816/*
1817 * SSL_CTX_set_alpn_select_cb sets a callback function that is called during
1818 * ClientHello processing in order to select an ALPN protocol from the
1819 * client's list of offered protocols.
1820 */
1821void
1822SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
1823 int (*cb) (SSL *ssl, const unsigned char **out, unsigned char *outlen,
1824 const unsigned char *in, unsigned int inlen, void *arg), void *arg)
1825{
1826 ctx->internal->alpn_select_cb = cb;
1827 ctx->internal->alpn_select_cb_arg = arg;
1828}
1829
1830/*
1831 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any). On return
1832 * it sets data to point to len bytes of protocol name (not including the
1833 * leading length-prefix byte). If the server didn't respond with* a negotiated
1834 * protocol then len will be zero.
1835 */
1836void
1837SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
1838 unsigned int *len)
1839{
1840 *data = ssl->s3->alpn_selected;
1841 *len = ssl->s3->alpn_selected_len;
1842}
1843
1844void
1845SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb)
1846{
1847 return;
1848}
1849
1850int
1851SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1852 const char *label, size_t llen, const unsigned char *p, size_t plen,
1853 int use_context)
1854{
1855 if (s->internal->tls13 != NULL && s->version == TLS1_3_VERSION) {
1856 if (!use_context) {
1857 p = NULL;
1858 plen = 0;
1859 }
1860 return tls13_exporter(s->internal->tls13, label, llen, p, plen,
1861 out, olen);
1862 }
1863
1864 return (tls1_export_keying_material(s, out, olen, label, llen, p, plen,
1865 use_context));
1866}
1867
1868static unsigned long
1869ssl_session_hash(const SSL_SESSION *a)
1870{
1871 unsigned long l;
1872
1873 l = (unsigned long)
1874 ((unsigned int) a->session_id[0] )|
1875 ((unsigned int) a->session_id[1]<< 8L)|
1876 ((unsigned long)a->session_id[2]<<16L)|
1877 ((unsigned long)a->session_id[3]<<24L);
1878 return (l);
1879}
1880
1881/*
1882 * NB: If this function (or indeed the hash function which uses a sort of
1883 * coarser function than this one) is changed, ensure
1884 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
1885 * able to construct an SSL_SESSION that will collide with any existing session
1886 * with a matching session ID.
1887 */
1888static int
1889ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b)
1890{
1891 if (a->ssl_version != b->ssl_version)
1892 return (1);
1893 if (a->session_id_length != b->session_id_length)
1894 return (1);
1895 if (timingsafe_memcmp(a->session_id, b->session_id, a->session_id_length) != 0)
1896 return (1);
1897 return (0);
1898}
1899
1900/*
1901 * These wrapper functions should remain rather than redeclaring
1902 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
1903 * variable. The reason is that the functions aren't static, they're exposed via
1904 * ssl.h.
1905 */
1906static unsigned long
1907ssl_session_LHASH_HASH(const void *arg)
1908{
1909 const SSL_SESSION *a = arg;
1910
1911 return ssl_session_hash(a);
1912}
1913
1914static int
1915ssl_session_LHASH_COMP(const void *arg1, const void *arg2)
1916{
1917 const SSL_SESSION *a = arg1;
1918 const SSL_SESSION *b = arg2;
1919
1920 return ssl_session_cmp(a, b);
1921}
1922
1923SSL_CTX *
1924SSL_CTX_new(const SSL_METHOD *meth)
1925{
1926 SSL_CTX *ret;
1927
1928 if (!OPENSSL_init_ssl(0, NULL)) {
1929 SSLerrorx(SSL_R_LIBRARY_BUG);
1930 return (NULL);
1931 }
1932
1933 if (meth == NULL) {
1934 SSLerrorx(SSL_R_NULL_SSL_METHOD_PASSED);
1935 return (NULL);
1936 }
1937
1938 if ((ret = calloc(1, sizeof(*ret))) == NULL) {
1939 SSLerrorx(ERR_R_MALLOC_FAILURE);
1940 return (NULL);
1941 }
1942 if ((ret->internal = calloc(1, sizeof(*ret->internal))) == NULL) {
1943 free(ret);
1944 SSLerrorx(ERR_R_MALLOC_FAILURE);
1945 return (NULL);
1946 }
1947
1948 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
1949 SSLerrorx(SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
1950 goto err;
1951 }
1952
1953 ret->method = meth;
1954 ret->internal->min_tls_version = meth->min_tls_version;
1955 ret->internal->max_tls_version = meth->max_tls_version;
1956 ret->internal->min_proto_version = 0;
1957 ret->internal->max_proto_version = 0;
1958 ret->internal->mode = SSL_MODE_AUTO_RETRY;
1959
1960 ret->cert_store = NULL;
1961 ret->internal->session_cache_mode = SSL_SESS_CACHE_SERVER;
1962 ret->internal->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
1963 ret->internal->session_cache_head = NULL;
1964 ret->internal->session_cache_tail = NULL;
1965
1966 /* We take the system default */
1967 ret->session_timeout = ssl_get_default_timeout();
1968
1969 ret->internal->new_session_cb = 0;
1970 ret->internal->remove_session_cb = 0;
1971 ret->internal->get_session_cb = 0;
1972 ret->internal->generate_session_id = 0;
1973
1974 memset((char *)&ret->internal->stats, 0, sizeof(ret->internal->stats));
1975
1976 ret->references = 1;
1977 ret->internal->quiet_shutdown = 0;
1978
1979 ret->internal->info_callback = NULL;
1980
1981 ret->internal->app_verify_callback = 0;
1982 ret->internal->app_verify_arg = NULL;
1983
1984 ret->internal->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;
1985 ret->internal->read_ahead = 0;
1986 ret->internal->msg_callback = 0;
1987 ret->internal->msg_callback_arg = NULL;
1988 ret->verify_mode = SSL_VERIFY_NONE;
1989 ret->sid_ctx_length = 0;
1990 ret->internal->default_verify_callback = NULL;
1991
1992 if ((ret->internal->cert = ssl_cert_new()) == NULL)
1993 goto err;
1994
1995 ret->default_passwd_callback = 0;
1996 ret->default_passwd_callback_userdata = NULL;
1997 ret->internal->client_cert_cb = 0;
1998 ret->internal->app_gen_cookie_cb = 0;
1999 ret->internal->app_verify_cookie_cb = 0;
2000
2001 ret->internal->sessions = lh_SSL_SESSION_new();
2002 if (ret->internal->sessions == NULL)
2003 goto err;
2004 ret->cert_store = X509_STORE_new();
2005 if (ret->cert_store == NULL)
2006 goto err;
2007
2008 ssl_create_cipher_list(ret->method, &ret->cipher_list,
2009 NULL, SSL_DEFAULT_CIPHER_LIST);
2010 if (ret->cipher_list == NULL ||
2011 sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
2012 SSLerrorx(SSL_R_LIBRARY_HAS_NO_CIPHERS);
2013 goto err2;
2014 }
2015
2016 ret->param = X509_VERIFY_PARAM_new();
2017 if (!ret->param)
2018 goto err;
2019
2020 if ((ret->internal->client_CA = sk_X509_NAME_new_null()) == NULL)
2021 goto err;
2022
2023 CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->internal->ex_data);
2024
2025 ret->extra_certs = NULL;
2026
2027 ret->internal->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
2028
2029 ret->internal->tlsext_servername_callback = 0;
2030 ret->internal->tlsext_servername_arg = NULL;
2031
2032 /* Setup RFC4507 ticket keys */
2033 arc4random_buf(ret->internal->tlsext_tick_key_name, 16);
2034 arc4random_buf(ret->internal->tlsext_tick_hmac_key, 16);
2035 arc4random_buf(ret->internal->tlsext_tick_aes_key, 16);
2036
2037 ret->internal->tlsext_status_cb = 0;
2038 ret->internal->tlsext_status_arg = NULL;
2039
2040#ifndef OPENSSL_NO_ENGINE
2041 ret->internal->client_cert_engine = NULL;
2042#ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
2043#define eng_strx(x) #x
2044#define eng_str(x) eng_strx(x)
2045 /* Use specific client engine automatically... ignore errors */
2046 {
2047 ENGINE *eng;
2048 eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
2049 if (!eng) {
2050 ERR_clear_error();
2051 ENGINE_load_builtin_engines();
2052 eng = ENGINE_by_id(eng_str(
2053 OPENSSL_SSL_CLIENT_ENGINE_AUTO));
2054 }
2055 if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
2056 ERR_clear_error();
2057 }
2058#endif
2059#endif
2060 /*
2061 * Default is to connect to non-RI servers. When RI is more widely
2062 * deployed might change this.
2063 */
2064 ret->internal->options |= SSL_OP_LEGACY_SERVER_CONNECT;
2065
2066 return (ret);
2067 err:
2068 SSLerrorx(ERR_R_MALLOC_FAILURE);
2069 err2:
2070 SSL_CTX_free(ret);
2071 return (NULL);
2072}
2073
2074void
2075SSL_CTX_free(SSL_CTX *ctx)
2076{
2077 int i;
2078
2079 if (ctx == NULL)
2080 return;
2081
2082 i = CRYPTO_add(&ctx->references, -1, CRYPTO_LOCK_SSL_CTX);
2083 if (i > 0)
2084 return;
2085
2086 X509_VERIFY_PARAM_free(ctx->param);
2087
2088 /*
2089 * Free internal session cache. However: the remove_cb() may reference
2090 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
2091 * after the sessions were flushed.
2092 * As the ex_data handling routines might also touch the session cache,
2093 * the most secure solution seems to be: empty (flush) the cache, then
2094 * free ex_data, then finally free the cache.
2095 * (See ticket [openssl.org #212].)
2096 */
2097 if (ctx->internal->sessions != NULL)
2098 SSL_CTX_flush_sessions(ctx, 0);
2099
2100 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ctx, &ctx->internal->ex_data);
2101
2102 lh_SSL_SESSION_free(ctx->internal->sessions);
2103
2104 X509_STORE_free(ctx->cert_store);
2105 sk_SSL_CIPHER_free(ctx->cipher_list);
2106 sk_SSL_CIPHER_free(ctx->internal->cipher_list_tls13);
2107 ssl_cert_free(ctx->internal->cert);
2108 sk_X509_NAME_pop_free(ctx->internal->client_CA, X509_NAME_free);
2109 sk_X509_pop_free(ctx->extra_certs, X509_free);
2110
2111#ifndef OPENSSL_NO_SRTP
2112 if (ctx->internal->srtp_profiles)
2113 sk_SRTP_PROTECTION_PROFILE_free(ctx->internal->srtp_profiles);
2114#endif
2115
2116#ifndef OPENSSL_NO_ENGINE
2117 ENGINE_finish(ctx->internal->client_cert_engine);
2118#endif
2119
2120 free(ctx->internal->tlsext_ecpointformatlist);
2121 free(ctx->internal->tlsext_supportedgroups);
2122
2123 free(ctx->internal->alpn_client_proto_list);
2124
2125 free(ctx->internal);
2126 free(ctx);
2127}
2128
2129int
2130SSL_CTX_up_ref(SSL_CTX *ctx)
2131{
2132 int refs = CRYPTO_add(&ctx->references, 1, CRYPTO_LOCK_SSL_CTX);
2133 return ((refs > 1) ? 1 : 0);
2134}
2135
2136pem_password_cb *
2137SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx)
2138{
2139 return (ctx->default_passwd_callback);
2140}
2141
2142void
2143SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
2144{
2145 ctx->default_passwd_callback = cb;
2146}
2147
2148void *
2149SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx)
2150{
2151 return ctx->default_passwd_callback_userdata;
2152}
2153
2154void
2155SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u)
2156{
2157 ctx->default_passwd_callback_userdata = u;
2158}
2159
2160void
2161SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
2162 int (*cb)(X509_STORE_CTX *, void *), void *arg)
2163{
2164 ctx->internal->app_verify_callback = cb;
2165 ctx->internal->app_verify_arg = arg;
2166}
2167
2168void
2169SSL_CTX_set_verify(SSL_CTX *ctx, int mode, int (*cb)(int, X509_STORE_CTX *))
2170{
2171 ctx->verify_mode = mode;
2172 ctx->internal->default_verify_callback = cb;
2173}
2174
2175void
2176SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth)
2177{
2178 X509_VERIFY_PARAM_set_depth(ctx->param, depth);
2179}
2180
2181void
2182ssl_set_cert_masks(SSL_CERT *c, const SSL_CIPHER *cipher)
2183{
2184 unsigned long mask_a, mask_k;
2185 SSL_CERT_PKEY *cpk;
2186
2187 if (c == NULL)
2188 return;
2189
2190 mask_a = SSL_aNULL | SSL_aTLS1_3;
2191 mask_k = SSL_kECDHE | SSL_kTLS1_3;
2192
2193 if (c->dhe_params != NULL || c->dhe_params_cb != NULL ||
2194 c->dhe_params_auto != 0)
2195 mask_k |= SSL_kDHE;
2196
2197 cpk = &(c->pkeys[SSL_PKEY_ECC]);
2198 if (cpk->x509 != NULL && cpk->privatekey != NULL) {
2199 /* Key usage, if present, must allow signing. */
2200 if (X509_get_key_usage(cpk->x509) & X509v3_KU_DIGITAL_SIGNATURE)
2201 mask_a |= SSL_aECDSA;
2202 }
2203
2204 cpk = &(c->pkeys[SSL_PKEY_GOST01]);
2205 if (cpk->x509 != NULL && cpk->privatekey != NULL) {
2206 mask_k |= SSL_kGOST;
2207 mask_a |= SSL_aGOST01;
2208 }
2209
2210 cpk = &(c->pkeys[SSL_PKEY_RSA]);
2211 if (cpk->x509 != NULL && cpk->privatekey != NULL) {
2212 mask_a |= SSL_aRSA;
2213 mask_k |= SSL_kRSA;
2214 }
2215
2216 c->mask_k = mask_k;
2217 c->mask_a = mask_a;
2218 c->valid = 1;
2219}
2220
2221/* See if this handshake is using an ECC cipher suite. */
2222int
2223ssl_using_ecc_cipher(SSL *s)
2224{
2225 unsigned long alg_a, alg_k;
2226
2227 alg_a = s->s3->hs.cipher->algorithm_auth;
2228 alg_k = s->s3->hs.cipher->algorithm_mkey;
2229
2230 return s->session->tlsext_ecpointformatlist != NULL &&
2231 s->session->tlsext_ecpointformatlist_length > 0 &&
2232 ((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA));
2233}
2234
2235int
2236ssl_check_srvr_ecc_cert_and_alg(SSL *s, X509 *x)
2237{
2238 const SSL_CIPHER *cs = s->s3->hs.cipher;
2239 unsigned long alg_a;
2240
2241 alg_a = cs->algorithm_auth;
2242
2243 if (alg_a & SSL_aECDSA) {
2244 /* Key usage, if present, must allow signing. */
2245 if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) {
2246 SSLerror(s, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
2247 return (0);
2248 }
2249 }
2250
2251 return (1);
2252}
2253
2254SSL_CERT_PKEY *
2255ssl_get_server_send_pkey(const SSL *s)
2256{
2257 unsigned long alg_a;
2258 SSL_CERT *c;
2259 int i;
2260
2261 c = s->cert;
2262 ssl_set_cert_masks(c, s->s3->hs.cipher);
2263
2264 alg_a = s->s3->hs.cipher->algorithm_auth;
2265
2266 if (alg_a & SSL_aECDSA) {
2267 i = SSL_PKEY_ECC;
2268 } else if (alg_a & SSL_aRSA) {
2269 i = SSL_PKEY_RSA;
2270 } else if (alg_a & SSL_aGOST01) {
2271 i = SSL_PKEY_GOST01;
2272 } else { /* if (alg_a & SSL_aNULL) */
2273 SSLerror(s, ERR_R_INTERNAL_ERROR);
2274 return (NULL);
2275 }
2276
2277 return (c->pkeys + i);
2278}
2279
2280EVP_PKEY *
2281ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *cipher, const EVP_MD **pmd,
2282 const struct ssl_sigalg **sap)
2283{
2284 const struct ssl_sigalg *sigalg = NULL;
2285 EVP_PKEY *pkey = NULL;
2286 unsigned long alg_a;
2287 SSL_CERT *c;
2288 int idx = -1;
2289
2290 alg_a = cipher->algorithm_auth;
2291 c = s->cert;
2292
2293 if (alg_a & SSL_aRSA) {
2294 idx = SSL_PKEY_RSA;
2295 } else if ((alg_a & SSL_aECDSA) &&
2296 (c->pkeys[SSL_PKEY_ECC].privatekey != NULL))
2297 idx = SSL_PKEY_ECC;
2298 if (idx == -1) {
2299 SSLerror(s, ERR_R_INTERNAL_ERROR);
2300 return (NULL);
2301 }
2302
2303 pkey = c->pkeys[idx].privatekey;
2304 if ((sigalg = ssl_sigalg_select(s, pkey)) == NULL) {
2305 SSLerror(s, SSL_R_SIGNATURE_ALGORITHMS_ERROR);
2306 return (NULL);
2307 }
2308 *pmd = sigalg->md();
2309 *sap = sigalg;
2310
2311 return (pkey);
2312}
2313
2314size_t
2315ssl_dhe_params_auto_key_bits(SSL *s)
2316{
2317 SSL_CERT_PKEY *cpk;
2318 int key_bits;
2319
2320 if (s->cert->dhe_params_auto == 2) {
2321 key_bits = 1024;
2322 } else if (s->s3->hs.cipher->algorithm_auth & SSL_aNULL) {
2323 key_bits = 1024;
2324 if (s->s3->hs.cipher->strength_bits == 256)
2325 key_bits = 3072;
2326 } else {
2327 if ((cpk = ssl_get_server_send_pkey(s)) == NULL)
2328 return 0;
2329 if (cpk->privatekey == NULL ||
2330 EVP_PKEY_get0_RSA(cpk->privatekey) == NULL)
2331 return 0;
2332 if ((key_bits = EVP_PKEY_bits(cpk->privatekey)) <= 0)
2333 return 0;
2334 }
2335
2336 return key_bits;
2337}
2338
2339static int
2340ssl_should_update_external_cache(SSL *s, int mode)
2341{
2342 int cache_mode;
2343
2344 cache_mode = s->session_ctx->internal->session_cache_mode;
2345
2346 /* Don't cache if mode says not to */
2347 if ((cache_mode & mode) == 0)
2348 return 0;
2349
2350 /* if it is not already cached, cache it */
2351 if (!s->internal->hit)
2352 return 1;
2353
2354 /* If it's TLS 1.3, do it to match OpenSSL */
2355 if (s->s3->hs.negotiated_tls_version >= TLS1_3_VERSION)
2356 return 1;
2357
2358 return 0;
2359}
2360
2361static int
2362ssl_should_update_internal_cache(SSL *s, int mode)
2363{
2364 int cache_mode;
2365
2366 cache_mode = s->session_ctx->internal->session_cache_mode;
2367
2368 /* Don't cache if mode says not to */
2369 if ((cache_mode & mode) == 0)
2370 return 0;
2371
2372 /* If it is already cached, don't cache it again */
2373 if (s->internal->hit)
2374 return 0;
2375
2376 if ((cache_mode & SSL_SESS_CACHE_NO_INTERNAL_STORE) != 0)
2377 return 0;
2378
2379 /* If we are lesser than TLS 1.3, Cache it. */
2380 if (s->s3->hs.negotiated_tls_version < TLS1_3_VERSION)
2381 return 1;
2382
2383 /* Below this we consider TLS 1.3 or later */
2384
2385 /* If it's not a server, add it? OpenSSL does this. */
2386 if (!s->server)
2387 return 1;
2388
2389 /* XXX if we support early data / PSK need to add */
2390
2391 /*
2392 * If we have the remove session callback, we will want
2393 * to know about this even if it's a stateless ticket
2394 * from 1.3 so we can know when it is removed.
2395 */
2396 if (s->session_ctx->internal->remove_session_cb != NULL)
2397 return 1;
2398
2399 /* If we have set OP_NO_TICKET, cache it. */
2400 if ((s->internal->options & SSL_OP_NO_TICKET) != 0)
2401 return 1;
2402
2403 /* Otherwise do not cache */
2404 return 0;
2405}
2406
2407void
2408ssl_update_cache(SSL *s, int mode)
2409{
2410 int cache_mode, do_callback;
2411
2412 if (s->session->session_id_length == 0)
2413 return;
2414
2415 cache_mode = s->session_ctx->internal->session_cache_mode;
2416 do_callback = ssl_should_update_external_cache(s, mode);
2417
2418 if (ssl_should_update_internal_cache(s, mode)) {
2419 /*
2420 * XXX should we fail if the add to the internal cache
2421 * fails? OpenSSL doesn't care..
2422 */
2423 (void) SSL_CTX_add_session(s->session_ctx, s->session);
2424 }
2425
2426 /*
2427 * Update the "external cache" by calling the new session
2428 * callback if present, even with TLS 1.3 without early data
2429 * "because some application just want to know about the
2430 * creation of a session and aren't doing a full cache".
2431 * Apparently, if they are doing a full cache, they'll have
2432 * some fun, but we endeavour to give application writers the
2433 * same glorious experience they expect from OpenSSL which
2434 * does it this way.
2435 */
2436 if (do_callback && s->session_ctx->internal->new_session_cb != NULL) {
2437 CRYPTO_add(&s->session->references, 1, CRYPTO_LOCK_SSL_SESSION);
2438 if (!s->session_ctx->internal->new_session_cb(s, s->session))
2439 SSL_SESSION_free(s->session);
2440 }
2441
2442 /* Auto flush every 255 connections. */
2443 if (!(cache_mode & SSL_SESS_CACHE_NO_AUTO_CLEAR) &&
2444 (cache_mode & mode) != 0) {
2445 int connections;
2446 if (mode & SSL_SESS_CACHE_CLIENT)
2447 connections = s->session_ctx->internal->stats.sess_connect_good;
2448 else
2449 connections = s->session_ctx->internal->stats.sess_accept_good;
2450 if ((connections & 0xff) == 0xff)
2451 SSL_CTX_flush_sessions(s->session_ctx, time(NULL));
2452 }
2453}
2454
2455const SSL_METHOD *
2456SSL_get_ssl_method(SSL *s)
2457{
2458 return (s->method);
2459}
2460
2461int
2462SSL_set_ssl_method(SSL *s, const SSL_METHOD *method)
2463{
2464 int (*handshake_func)(SSL *) = NULL;
2465 int ret = 1;
2466
2467 if (s->method == method)
2468 return (ret);
2469
2470 if (s->internal->handshake_func == s->method->ssl_connect)
2471 handshake_func = method->ssl_connect;
2472 else if (s->internal->handshake_func == s->method->ssl_accept)
2473 handshake_func = method->ssl_accept;
2474
2475 if (s->method->version == method->version) {
2476 s->method = method;
2477 } else {
2478 s->method->ssl_free(s);
2479 s->method = method;
2480 ret = s->method->ssl_new(s);
2481 }
2482 s->internal->handshake_func = handshake_func;
2483
2484 return (ret);
2485}
2486
2487int
2488SSL_get_error(const SSL *s, int i)
2489{
2490 unsigned long l;
2491 int reason;
2492 BIO *bio;
2493
2494 if (i > 0)
2495 return (SSL_ERROR_NONE);
2496
2497 /*
2498 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake
2499 * etc, where we do encode the error.
2500 */
2501 if ((l = ERR_peek_error()) != 0) {
2502 if (ERR_GET_LIB(l) == ERR_LIB_SYS)
2503 return (SSL_ERROR_SYSCALL);
2504 else
2505 return (SSL_ERROR_SSL);
2506 }
2507
2508 if (SSL_want_read(s)) {
2509 bio = SSL_get_rbio(s);
2510 if (BIO_should_read(bio)) {
2511 return (SSL_ERROR_WANT_READ);
2512 } else if (BIO_should_write(bio)) {
2513 /*
2514 * This one doesn't make too much sense... We never
2515 * try to write to the rbio, and an application
2516 * program where rbio and wbio are separate couldn't
2517 * even know what it should wait for. However if we
2518 * ever set s->internal->rwstate incorrectly (so that we have
2519 * SSL_want_read(s) instead of SSL_want_write(s))
2520 * and rbio and wbio *are* the same, this test works
2521 * around that bug; so it might be safer to keep it.
2522 */
2523 return (SSL_ERROR_WANT_WRITE);
2524 } else if (BIO_should_io_special(bio)) {
2525 reason = BIO_get_retry_reason(bio);
2526 if (reason == BIO_RR_CONNECT)
2527 return (SSL_ERROR_WANT_CONNECT);
2528 else if (reason == BIO_RR_ACCEPT)
2529 return (SSL_ERROR_WANT_ACCEPT);
2530 else
2531 return (SSL_ERROR_SYSCALL); /* unknown */
2532 }
2533 }
2534
2535 if (SSL_want_write(s)) {
2536 bio = SSL_get_wbio(s);
2537 if (BIO_should_write(bio)) {
2538 return (SSL_ERROR_WANT_WRITE);
2539 } else if (BIO_should_read(bio)) {
2540 /*
2541 * See above (SSL_want_read(s) with
2542 * BIO_should_write(bio))
2543 */
2544 return (SSL_ERROR_WANT_READ);
2545 } else if (BIO_should_io_special(bio)) {
2546 reason = BIO_get_retry_reason(bio);
2547 if (reason == BIO_RR_CONNECT)
2548 return (SSL_ERROR_WANT_CONNECT);
2549 else if (reason == BIO_RR_ACCEPT)
2550 return (SSL_ERROR_WANT_ACCEPT);
2551 else
2552 return (SSL_ERROR_SYSCALL);
2553 }
2554 }
2555
2556 if (SSL_want_x509_lookup(s))
2557 return (SSL_ERROR_WANT_X509_LOOKUP);
2558
2559 if ((s->internal->shutdown & SSL_RECEIVED_SHUTDOWN) &&
2560 (s->s3->warn_alert == SSL_AD_CLOSE_NOTIFY))
2561 return (SSL_ERROR_ZERO_RETURN);
2562
2563 return (SSL_ERROR_SYSCALL);
2564}
2565
2566int
2567SSL_do_handshake(SSL *s)
2568{
2569 if (s->internal->handshake_func == NULL) {
2570 SSLerror(s, SSL_R_CONNECTION_TYPE_NOT_SET);
2571 return (-1);
2572 }
2573
2574 s->method->ssl_renegotiate_check(s);
2575
2576 if (!SSL_in_init(s) && !SSL_in_before(s))
2577 return 1;
2578
2579 return s->internal->handshake_func(s);
2580}
2581
2582/*
2583 * For the next 2 functions, SSL_clear() sets shutdown and so
2584 * one of these calls will reset it
2585 */
2586void
2587SSL_set_accept_state(SSL *s)
2588{
2589 s->server = 1;
2590 s->internal->shutdown = 0;
2591 s->s3->hs.state = SSL_ST_ACCEPT|SSL_ST_BEFORE;
2592 s->internal->handshake_func = s->method->ssl_accept;
2593 ssl_clear_cipher_state(s);
2594}
2595
2596void
2597SSL_set_connect_state(SSL *s)
2598{
2599 s->server = 0;
2600 s->internal->shutdown = 0;
2601 s->s3->hs.state = SSL_ST_CONNECT|SSL_ST_BEFORE;
2602 s->internal->handshake_func = s->method->ssl_connect;
2603 ssl_clear_cipher_state(s);
2604}
2605
2606int
2607ssl_undefined_function(SSL *s)
2608{
2609 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2610 return (0);
2611}
2612
2613int
2614ssl_undefined_void_function(void)
2615{
2616 SSLerrorx(ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2617 return (0);
2618}
2619
2620int
2621ssl_undefined_const_function(const SSL *s)
2622{
2623 SSLerror(s, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
2624 return (0);
2625}
2626
2627const char *
2628ssl_version_string(int ver)
2629{
2630 switch (ver) {
2631 case TLS1_VERSION:
2632 return (SSL_TXT_TLSV1);
2633 case TLS1_1_VERSION:
2634 return (SSL_TXT_TLSV1_1);
2635 case TLS1_2_VERSION:
2636 return (SSL_TXT_TLSV1_2);
2637 case TLS1_3_VERSION:
2638 return (SSL_TXT_TLSV1_3);
2639 case DTLS1_VERSION:
2640 return (SSL_TXT_DTLS1);
2641 case DTLS1_2_VERSION:
2642 return (SSL_TXT_DTLS1_2);
2643 default:
2644 return ("unknown");
2645 }
2646}
2647
2648const char *
2649SSL_get_version(const SSL *s)
2650{
2651 return ssl_version_string(s->version);
2652}
2653
2654SSL *
2655SSL_dup(SSL *s)
2656{
2657 STACK_OF(X509_NAME) *sk;
2658 X509_NAME *xn;
2659 SSL *ret;
2660 int i;
2661
2662 if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL)
2663 goto err;
2664
2665 ret->version = s->version;
2666 ret->method = s->method;
2667
2668 if (s->session != NULL) {
2669 if (!SSL_copy_session_id(ret, s))
2670 goto err;
2671 } else {
2672 /*
2673 * No session has been established yet, so we have to expect
2674 * that s->cert or ret->cert will be changed later --
2675 * they should not both point to the same object,
2676 * and thus we can't use SSL_copy_session_id.
2677 */
2678
2679 ret->method->ssl_free(ret);
2680 ret->method = s->method;
2681 ret->method->ssl_new(ret);
2682
2683 ssl_cert_free(ret->cert);
2684 if ((ret->cert = ssl_cert_dup(s->cert)) == NULL)
2685 goto err;
2686
2687 if (!SSL_set_session_id_context(ret, s->sid_ctx,
2688 s->sid_ctx_length))
2689 goto err;
2690 }
2691
2692 ret->internal->options = s->internal->options;
2693 ret->internal->mode = s->internal->mode;
2694 SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s));
2695 SSL_set_read_ahead(ret, SSL_get_read_ahead(s));
2696 ret->internal->msg_callback = s->internal->msg_callback;
2697 ret->internal->msg_callback_arg = s->internal->msg_callback_arg;
2698 SSL_set_verify(ret, SSL_get_verify_mode(s),
2699 SSL_get_verify_callback(s));
2700 SSL_set_verify_depth(ret, SSL_get_verify_depth(s));
2701 ret->internal->generate_session_id = s->internal->generate_session_id;
2702
2703 SSL_set_info_callback(ret, SSL_get_info_callback(s));
2704
2705 ret->internal->debug = s->internal->debug;
2706
2707 /* copy app data, a little dangerous perhaps */
2708 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL,
2709 &ret->internal->ex_data, &s->internal->ex_data))
2710 goto err;
2711
2712 /* setup rbio, and wbio */
2713 if (s->rbio != NULL) {
2714 if (!BIO_dup_state(s->rbio,(char *)&ret->rbio))
2715 goto err;
2716 }
2717 if (s->wbio != NULL) {
2718 if (s->wbio != s->rbio) {
2719 if (!BIO_dup_state(s->wbio,(char *)&ret->wbio))
2720 goto err;
2721 } else
2722 ret->wbio = ret->rbio;
2723 }
2724 ret->internal->rwstate = s->internal->rwstate;
2725 ret->internal->in_handshake = s->internal->in_handshake;
2726 ret->internal->handshake_func = s->internal->handshake_func;
2727 ret->server = s->server;
2728 ret->internal->renegotiate = s->internal->renegotiate;
2729 ret->internal->new_session = s->internal->new_session;
2730 ret->internal->quiet_shutdown = s->internal->quiet_shutdown;
2731 ret->internal->shutdown = s->internal->shutdown;
2732 /* SSL_dup does not really work at any state, though */
2733 ret->s3->hs.state = s->s3->hs.state;
2734 ret->internal->rstate = s->internal->rstate;
2735
2736 /*
2737 * Would have to copy ret->init_buf, ret->init_msg, ret->init_num,
2738 * ret->init_off
2739 */
2740 ret->internal->init_num = 0;
2741
2742 ret->internal->hit = s->internal->hit;
2743
2744 X509_VERIFY_PARAM_inherit(ret->param, s->param);
2745
2746 if (s->cipher_list != NULL) {
2747 if ((ret->cipher_list =
2748 sk_SSL_CIPHER_dup(s->cipher_list)) == NULL)
2749 goto err;
2750 }
2751 if (s->internal->cipher_list_tls13 != NULL) {
2752 if ((ret->internal->cipher_list_tls13 =
2753 sk_SSL_CIPHER_dup(s->internal->cipher_list_tls13)) == NULL)
2754 goto err;
2755 }
2756
2757 /* Dup the client_CA list */
2758 if (s->internal->client_CA != NULL) {
2759 if ((sk = sk_X509_NAME_dup(s->internal->client_CA)) == NULL) goto err;
2760 ret->internal->client_CA = sk;
2761 for (i = 0; i < sk_X509_NAME_num(sk); i++) {
2762 xn = sk_X509_NAME_value(sk, i);
2763 if (sk_X509_NAME_set(sk, i,
2764 X509_NAME_dup(xn)) == NULL) {
2765 X509_NAME_free(xn);
2766 goto err;
2767 }
2768 }
2769 }
2770
2771 return ret;
2772 err:
2773 SSL_free(ret);
2774 return NULL;
2775}
2776
2777void
2778ssl_clear_cipher_state(SSL *s)
2779{
2780 tls12_record_layer_clear_read_state(s->internal->rl);
2781 tls12_record_layer_clear_write_state(s->internal->rl);
2782}
2783
2784void
2785ssl_info_callback(const SSL *s, int type, int value)
2786{
2787 ssl_info_callback_fn *cb;
2788
2789 if ((cb = s->internal->info_callback) == NULL)
2790 cb = s->ctx->internal->info_callback;
2791 if (cb != NULL)
2792 cb(s, type, value);
2793}
2794
2795void
2796ssl_msg_callback(SSL *s, int is_write, int content_type,
2797 const void *msg_buf, size_t msg_len)
2798{
2799 if (s->internal->msg_callback != NULL)
2800 s->internal->msg_callback(is_write, s->version, content_type,
2801 msg_buf, msg_len, s, s->internal->msg_callback_arg);
2802}
2803
2804/* Fix this function so that it takes an optional type parameter */
2805X509 *
2806SSL_get_certificate(const SSL *s)
2807{
2808 return (s->cert->key->x509);
2809}
2810
2811/* Fix this function so that it takes an optional type parameter */
2812EVP_PKEY *
2813SSL_get_privatekey(const SSL *s)
2814{
2815 return (s->cert->key->privatekey);
2816}
2817
2818const SSL_CIPHER *
2819SSL_get_current_cipher(const SSL *s)
2820{
2821 if ((s->session != NULL) && (s->session->cipher != NULL))
2822 return (s->session->cipher);
2823 return (NULL);
2824}
2825const void *
2826SSL_get_current_compression(SSL *s)
2827{
2828 return (NULL);
2829}
2830
2831const void *
2832SSL_get_current_expansion(SSL *s)
2833{
2834 return (NULL);
2835}
2836
2837size_t
2838SSL_get_client_random(const SSL *s, unsigned char *out, size_t max_out)
2839{
2840 size_t len = sizeof(s->s3->client_random);
2841
2842 if (out == NULL)
2843 return len;
2844
2845 if (len > max_out)
2846 len = max_out;
2847
2848 memcpy(out, s->s3->client_random, len);
2849
2850 return len;
2851}
2852
2853size_t
2854SSL_get_server_random(const SSL *s, unsigned char *out, size_t max_out)
2855{
2856 size_t len = sizeof(s->s3->server_random);
2857
2858 if (out == NULL)
2859 return len;
2860
2861 if (len > max_out)
2862 len = max_out;
2863
2864 memcpy(out, s->s3->server_random, len);
2865
2866 return len;
2867}
2868
2869int
2870ssl_init_wbio_buffer(SSL *s, int push)
2871{
2872 BIO *bbio;
2873
2874 if (s->bbio == NULL) {
2875 bbio = BIO_new(BIO_f_buffer());
2876 if (bbio == NULL)
2877 return (0);
2878 s->bbio = bbio;
2879 } else {
2880 bbio = s->bbio;
2881 if (s->bbio == s->wbio)
2882 s->wbio = BIO_pop(s->wbio);
2883 }
2884 (void)BIO_reset(bbio);
2885/* if (!BIO_set_write_buffer_size(bbio,16*1024)) */
2886 if (!BIO_set_read_buffer_size(bbio, 1)) {
2887 SSLerror(s, ERR_R_BUF_LIB);
2888 return (0);
2889 }
2890 if (push) {
2891 if (s->wbio != bbio)
2892 s->wbio = BIO_push(bbio, s->wbio);
2893 } else {
2894 if (s->wbio == bbio)
2895 s->wbio = BIO_pop(bbio);
2896 }
2897 return (1);
2898}
2899
2900void
2901ssl_free_wbio_buffer(SSL *s)
2902{
2903 if (s == NULL)
2904 return;
2905
2906 if (s->bbio == NULL)
2907 return;
2908
2909 if (s->bbio == s->wbio) {
2910 /* remove buffering */
2911 s->wbio = BIO_pop(s->wbio);
2912 }
2913 BIO_free(s->bbio);
2914 s->bbio = NULL;
2915}
2916
2917void
2918SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode)
2919{
2920 ctx->internal->quiet_shutdown = mode;
2921}
2922
2923int
2924SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
2925{
2926 return (ctx->internal->quiet_shutdown);
2927}
2928
2929void
2930SSL_set_quiet_shutdown(SSL *s, int mode)
2931{
2932 s->internal->quiet_shutdown = mode;
2933}
2934
2935int
2936SSL_get_quiet_shutdown(const SSL *s)
2937{
2938 return (s->internal->quiet_shutdown);
2939}
2940
2941void
2942SSL_set_shutdown(SSL *s, int mode)
2943{
2944 s->internal->shutdown = mode;
2945}
2946
2947int
2948SSL_get_shutdown(const SSL *s)
2949{
2950 return (s->internal->shutdown);
2951}
2952
2953int
2954SSL_version(const SSL *s)
2955{
2956 return (s->version);
2957}
2958
2959SSL_CTX *
2960SSL_get_SSL_CTX(const SSL *ssl)
2961{
2962 return (ssl->ctx);
2963}
2964
2965SSL_CTX *
2966SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx)
2967{
2968 SSL_CERT *new_cert;
2969
2970 if (ctx == NULL)
2971 ctx = ssl->initial_ctx;
2972 if (ssl->ctx == ctx)
2973 return (ssl->ctx);
2974
2975 if ((new_cert = ssl_cert_dup(ctx->internal->cert)) == NULL)
2976 return NULL;
2977 ssl_cert_free(ssl->cert);
2978 ssl->cert = new_cert;
2979
2980 SSL_CTX_up_ref(ctx);
2981 SSL_CTX_free(ssl->ctx); /* decrement reference count */
2982 ssl->ctx = ctx;
2983
2984 return (ssl->ctx);
2985}
2986
2987int
2988SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
2989{
2990 return (X509_STORE_set_default_paths(ctx->cert_store));
2991}
2992
2993int
2994SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2995 const char *CApath)
2996{
2997 return (X509_STORE_load_locations(ctx->cert_store, CAfile, CApath));
2998}
2999
3000int
3001SSL_CTX_load_verify_mem(SSL_CTX *ctx, void *buf, int len)
3002{
3003 return (X509_STORE_load_mem(ctx->cert_store, buf, len));
3004}
3005
3006void
3007SSL_set_info_callback(SSL *ssl, void (*cb)(const SSL *ssl, int type, int val))
3008{
3009 ssl->internal->info_callback = cb;
3010}
3011
3012void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl, int type, int val)
3013{
3014 return (ssl->internal->info_callback);
3015}
3016
3017int
3018SSL_state(const SSL *ssl)
3019{
3020 return (ssl->s3->hs.state);
3021}
3022
3023void
3024SSL_set_state(SSL *ssl, int state)
3025{
3026 ssl->s3->hs.state = state;
3027}
3028
3029void
3030SSL_set_verify_result(SSL *ssl, long arg)
3031{
3032 ssl->verify_result = arg;
3033}
3034
3035long
3036SSL_get_verify_result(const SSL *ssl)
3037{
3038 return (ssl->verify_result);
3039}
3040
3041int
3042SSL_verify_client_post_handshake(SSL *ssl)
3043{
3044 return 0;
3045}
3046
3047void
3048SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val)
3049{
3050 return;
3051}
3052
3053void
3054SSL_set_post_handshake_auth(SSL *ssl, int val)
3055{
3056 return;
3057}
3058
3059int
3060SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
3061 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
3062{
3063 return (CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL, argl, argp,
3064 new_func, dup_func, free_func));
3065}
3066
3067int
3068SSL_set_ex_data(SSL *s, int idx, void *arg)
3069{
3070 return (CRYPTO_set_ex_data(&s->internal->ex_data, idx, arg));
3071}
3072
3073void *
3074SSL_get_ex_data(const SSL *s, int idx)
3075{
3076 return (CRYPTO_get_ex_data(&s->internal->ex_data, idx));
3077}
3078
3079int
3080SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
3081 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
3082{
3083 return (CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_SSL_CTX, argl, argp,
3084 new_func, dup_func, free_func));
3085}
3086
3087int
3088SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg)
3089{
3090 return (CRYPTO_set_ex_data(&s->internal->ex_data, idx, arg));
3091}
3092
3093void *
3094SSL_CTX_get_ex_data(const SSL_CTX *s, int idx)
3095{
3096 return (CRYPTO_get_ex_data(&s->internal->ex_data, idx));
3097}
3098
3099int
3100ssl_ok(SSL *s)
3101{
3102 return (1);
3103}
3104
3105X509_STORE *
3106SSL_CTX_get_cert_store(const SSL_CTX *ctx)
3107{
3108 return (ctx->cert_store);
3109}
3110
3111void
3112SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store)
3113{
3114 X509_STORE_free(ctx->cert_store);
3115 ctx->cert_store = store;
3116}
3117
3118X509 *
3119SSL_CTX_get0_certificate(const SSL_CTX *ctx)
3120{
3121 if (ctx->internal->cert == NULL)
3122 return NULL;
3123
3124 return ctx->internal->cert->key->x509;
3125}
3126
3127EVP_PKEY *
3128SSL_CTX_get0_privatekey(const SSL_CTX *ctx)
3129{
3130 if (ctx->internal->cert == NULL)
3131 return NULL;
3132
3133 return ctx->internal->cert->key->privatekey;
3134}
3135
3136int
3137SSL_want(const SSL *s)
3138{
3139 return (s->internal->rwstate);
3140}
3141
3142void
3143SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*cb)(SSL *ssl, int is_export,
3144 int keylength))
3145{
3146 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
3147}
3148
3149void
3150SSL_set_tmp_rsa_callback(SSL *ssl, RSA *(*cb)(SSL *ssl, int is_export,
3151 int keylength))
3152{
3153 SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_RSA_CB,(void (*)(void))cb);
3154}
3155
3156void
3157SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx, DH *(*dh)(SSL *ssl, int is_export,
3158 int keylength))
3159{
3160 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
3161}
3162
3163void
3164SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh)(SSL *ssl, int is_export,
3165 int keylength))
3166{
3167 SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB,(void (*)(void))dh);
3168}
3169
3170void
3171SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx, EC_KEY *(*ecdh)(SSL *ssl,
3172 int is_export, int keylength))
3173{
3174 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_ECDH_CB,
3175 (void (*)(void))ecdh);
3176}
3177
3178void
3179SSL_set_tmp_ecdh_callback(SSL *ssl, EC_KEY *(*ecdh)(SSL *ssl, int is_export,
3180 int keylength))
3181{
3182 SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_ECDH_CB,(void (*)(void))ecdh);
3183}
3184
3185
3186void
3187SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version,
3188 int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
3189{
3190 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK,
3191 (void (*)(void))cb);
3192}
3193
3194void
3195SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version,
3196 int content_type, const void *buf, size_t len, SSL *ssl, void *arg))
3197{
3198 SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
3199}
3200
3201void
3202SSL_set_debug(SSL *s, int debug)
3203{
3204 s->internal->debug = debug;
3205}
3206
3207int
3208SSL_cache_hit(SSL *s)
3209{
3210 return (s->internal->hit);
3211}
3212
3213int
3214SSL_CTX_get_min_proto_version(SSL_CTX *ctx)
3215{
3216 return ctx->internal->min_proto_version;
3217}
3218
3219int
3220SSL_CTX_set_min_proto_version(SSL_CTX *ctx, uint16_t version)
3221{
3222 return ssl_version_set_min(ctx->method, version,
3223 ctx->internal->max_tls_version, &ctx->internal->min_tls_version,
3224 &ctx->internal->min_proto_version);
3225}
3226
3227int
3228SSL_CTX_get_max_proto_version(SSL_CTX *ctx)
3229{
3230 return ctx->internal->max_proto_version;
3231}
3232
3233int
3234SSL_CTX_set_max_proto_version(SSL_CTX *ctx, uint16_t version)
3235{
3236 return ssl_version_set_max(ctx->method, version,
3237 ctx->internal->min_tls_version, &ctx->internal->max_tls_version,
3238 &ctx->internal->max_proto_version);
3239}
3240
3241int
3242SSL_get_min_proto_version(SSL *ssl)
3243{
3244 return ssl->internal->min_proto_version;
3245}
3246
3247int
3248SSL_set_min_proto_version(SSL *ssl, uint16_t version)
3249{
3250 return ssl_version_set_min(ssl->method, version,
3251 ssl->internal->max_tls_version, &ssl->internal->min_tls_version,
3252 &ssl->internal->min_proto_version);
3253}
3254int
3255SSL_get_max_proto_version(SSL *ssl)
3256{
3257 return ssl->internal->max_proto_version;
3258}
3259
3260int
3261SSL_set_max_proto_version(SSL *ssl, uint16_t version)
3262{
3263 return ssl_version_set_max(ssl->method, version,
3264 ssl->internal->min_tls_version, &ssl->internal->max_tls_version,
3265 &ssl->internal->max_proto_version);
3266}
3267
3268const SSL_METHOD *
3269SSL_CTX_get_ssl_method(const SSL_CTX *ctx)
3270{
3271 return ctx->method;
3272}
3273
3274static int
3275ssl_cipher_id_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_)
3276{
3277 SSL_CIPHER const *a = a_;
3278 SSL_CIPHER const *b = b_;
3279 return ssl_cipher_id_cmp(a, b);
3280}
3281
3282SSL_CIPHER *
3283OBJ_bsearch_ssl_cipher_id(SSL_CIPHER *key, SSL_CIPHER const *base, int num)
3284{
3285 return (SSL_CIPHER *)OBJ_bsearch_(key, base, num, sizeof(SSL_CIPHER),
3286 ssl_cipher_id_cmp_BSEARCH_CMP_FN);
3287}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2026-02-14 02:55:28 +0000