2 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
4 * Copyright 2005 Nokia. All rights reserved.
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
13 #include "ssl_local.h"
14 #include "internal/e_os.h"
15 #include <openssl/objects.h>
16 #include <openssl/x509v3.h>
17 #include <openssl/rand.h>
18 #include <openssl/ocsp.h>
19 #include <openssl/dh.h>
20 #include <openssl/engine.h>
21 #include <openssl/async.h>
22 #include <openssl/ct.h>
23 #include <openssl/trace.h>
24 #include <openssl/core_names.h>
25 #include "internal/cryptlib.h"
26 #include "internal/nelem.h"
27 #include "internal/refcount.h"
28 #include "internal/ktls.h"
29 #include "quic/quic_local.h"
31 static int ssl_undefined_function_3(SSL_CONNECTION
*sc
, unsigned char *r
,
32 unsigned char *s
, size_t t
, size_t *u
)
34 return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc
));
37 static int ssl_undefined_function_4(SSL_CONNECTION
*sc
, int r
)
39 return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc
));
42 static size_t ssl_undefined_function_5(SSL_CONNECTION
*sc
, const char *r
,
43 size_t s
, unsigned char *t
)
45 return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc
));
48 static int ssl_undefined_function_6(int r
)
50 return ssl_undefined_function(NULL
);
53 static int ssl_undefined_function_7(SSL_CONNECTION
*sc
, unsigned char *r
,
54 size_t s
, const char *t
, size_t u
,
55 const unsigned char *v
, size_t w
, int x
)
57 return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc
));
60 static int ssl_undefined_function_8(SSL_CONNECTION
*sc
)
62 return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc
));
65 const SSL3_ENC_METHOD ssl3_undef_enc_method
= {
66 ssl_undefined_function_8
,
67 ssl_undefined_function_3
,
68 ssl_undefined_function_4
,
69 ssl_undefined_function_5
,
70 NULL
, /* client_finished_label */
71 0, /* client_finished_label_len */
72 NULL
, /* server_finished_label */
73 0, /* server_finished_label_len */
74 ssl_undefined_function_6
,
75 ssl_undefined_function_7
,
78 struct ssl_async_args
{
82 enum { READFUNC
, WRITEFUNC
, OTHERFUNC
} type
;
84 int (*func_read
) (SSL
*, void *, size_t, size_t *);
85 int (*func_write
) (SSL
*, const void *, size_t, size_t *);
86 int (*func_other
) (SSL
*);
96 DANETLS_MATCHING_FULL
, 0, NID_undef
99 DANETLS_MATCHING_2256
, 1, NID_sha256
102 DANETLS_MATCHING_2512
, 2, NID_sha512
106 static int dane_ctx_enable(struct dane_ctx_st
*dctx
)
108 const EVP_MD
**mdevp
;
110 uint8_t mdmax
= DANETLS_MATCHING_LAST
;
111 int n
= ((int)mdmax
) + 1; /* int to handle PrivMatch(255) */
114 if (dctx
->mdevp
!= NULL
)
117 mdevp
= OPENSSL_zalloc(n
* sizeof(*mdevp
));
118 mdord
= OPENSSL_zalloc(n
* sizeof(*mdord
));
120 if (mdord
== NULL
|| mdevp
== NULL
) {
126 /* Install default entries */
127 for (i
= 0; i
< OSSL_NELEM(dane_mds
); ++i
) {
130 if (dane_mds
[i
].nid
== NID_undef
||
131 (md
= EVP_get_digestbynid(dane_mds
[i
].nid
)) == NULL
)
133 mdevp
[dane_mds
[i
].mtype
] = md
;
134 mdord
[dane_mds
[i
].mtype
] = dane_mds
[i
].ord
;
144 static void dane_ctx_final(struct dane_ctx_st
*dctx
)
146 OPENSSL_free(dctx
->mdevp
);
149 OPENSSL_free(dctx
->mdord
);
154 static void tlsa_free(danetls_record
*t
)
158 OPENSSL_free(t
->data
);
159 EVP_PKEY_free(t
->spki
);
163 static void dane_final(SSL_DANE
*dane
)
165 sk_danetls_record_pop_free(dane
->trecs
, tlsa_free
);
168 OSSL_STACK_OF_X509_free(dane
->certs
);
171 X509_free(dane
->mcert
);
179 * dane_copy - Copy dane configuration, sans verification state.
181 static int ssl_dane_dup(SSL_CONNECTION
*to
, SSL_CONNECTION
*from
)
186 if (!DANETLS_ENABLED(&from
->dane
))
189 num
= sk_danetls_record_num(from
->dane
.trecs
);
190 dane_final(&to
->dane
);
191 to
->dane
.flags
= from
->dane
.flags
;
192 to
->dane
.dctx
= &SSL_CONNECTION_GET_CTX(to
)->dane
;
193 to
->dane
.trecs
= sk_danetls_record_new_reserve(NULL
, num
);
195 if (to
->dane
.trecs
== NULL
) {
196 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
200 for (i
= 0; i
< num
; ++i
) {
201 danetls_record
*t
= sk_danetls_record_value(from
->dane
.trecs
, i
);
203 if (SSL_dane_tlsa_add(SSL_CONNECTION_GET_SSL(to
), t
->usage
,
204 t
->selector
, t
->mtype
, t
->data
, t
->dlen
) <= 0)
210 static int dane_mtype_set(struct dane_ctx_st
*dctx
,
211 const EVP_MD
*md
, uint8_t mtype
, uint8_t ord
)
215 if (mtype
== DANETLS_MATCHING_FULL
&& md
!= NULL
) {
216 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL
);
220 if (mtype
> dctx
->mdmax
) {
221 const EVP_MD
**mdevp
;
223 int n
= ((int)mtype
) + 1;
225 mdevp
= OPENSSL_realloc(dctx
->mdevp
, n
* sizeof(*mdevp
));
230 mdord
= OPENSSL_realloc(dctx
->mdord
, n
* sizeof(*mdord
));
235 /* Zero-fill any gaps */
236 for (i
= dctx
->mdmax
+ 1; i
< mtype
; ++i
) {
244 dctx
->mdevp
[mtype
] = md
;
245 /* Coerce ordinal of disabled matching types to 0 */
246 dctx
->mdord
[mtype
] = (md
== NULL
) ? 0 : ord
;
251 static const EVP_MD
*tlsa_md_get(SSL_DANE
*dane
, uint8_t mtype
)
253 if (mtype
> dane
->dctx
->mdmax
)
255 return dane
->dctx
->mdevp
[mtype
];
258 static int dane_tlsa_add(SSL_DANE
*dane
,
261 uint8_t mtype
, const unsigned char *data
, size_t dlen
)
264 const EVP_MD
*md
= NULL
;
265 int ilen
= (int)dlen
;
269 if (dane
->trecs
== NULL
) {
270 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_NOT_ENABLED
);
274 if (ilen
< 0 || dlen
!= (size_t)ilen
) {
275 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_DATA_LENGTH
);
279 if (usage
> DANETLS_USAGE_LAST
) {
280 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE
);
284 if (selector
> DANETLS_SELECTOR_LAST
) {
285 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_SELECTOR
);
289 if (mtype
!= DANETLS_MATCHING_FULL
) {
290 md
= tlsa_md_get(dane
, mtype
);
292 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE
);
297 if (md
!= NULL
&& dlen
!= (size_t)EVP_MD_get_size(md
)) {
298 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH
);
302 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_NULL_DATA
);
306 if ((t
= OPENSSL_zalloc(sizeof(*t
))) == NULL
)
310 t
->selector
= selector
;
312 t
->data
= OPENSSL_malloc(dlen
);
313 if (t
->data
== NULL
) {
317 memcpy(t
->data
, data
, dlen
);
320 /* Validate and cache full certificate or public key */
321 if (mtype
== DANETLS_MATCHING_FULL
) {
322 const unsigned char *p
= data
;
324 EVP_PKEY
*pkey
= NULL
;
327 case DANETLS_SELECTOR_CERT
:
328 if (!d2i_X509(&cert
, &p
, ilen
) || p
< data
||
329 dlen
!= (size_t)(p
- data
)) {
332 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_CERTIFICATE
);
335 if (X509_get0_pubkey(cert
) == NULL
) {
338 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_CERTIFICATE
);
342 if ((DANETLS_USAGE_BIT(usage
) & DANETLS_TA_MASK
) == 0) {
344 * The Full(0) certificate decodes to a seemingly valid X.509
345 * object with a plausible key, so the TLSA record is well
346 * formed. However, we don't actually need the certificate for
347 * usages PKIX-EE(1) or DANE-EE(3), because at least the EE
348 * certificate is always presented by the peer. We discard the
349 * certificate, and just use the TLSA data as an opaque blob
350 * for matching the raw presented DER octets.
352 * DO NOT FREE `t` here, it will be added to the TLSA record
360 * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA
361 * records that contain full certificates of trust-anchors that are
362 * not present in the wire chain. For usage PKIX-TA(0), we augment
363 * the chain with untrusted Full(0) certificates from DNS, in case
364 * they are missing from the chain.
366 if ((dane
->certs
== NULL
&&
367 (dane
->certs
= sk_X509_new_null()) == NULL
) ||
368 !sk_X509_push(dane
->certs
, cert
)) {
369 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
376 case DANETLS_SELECTOR_SPKI
:
377 if (!d2i_PUBKEY(&pkey
, &p
, ilen
) || p
< data
||
378 dlen
!= (size_t)(p
- data
)) {
381 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY
);
386 * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA
387 * records that contain full bare keys of trust-anchors that are
388 * not present in the wire chain.
390 if (usage
== DANETLS_USAGE_DANE_TA
)
399 * Find the right insertion point for the new record.
401 * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that
402 * they can be processed first, as they require no chain building, and no
403 * expiration or hostname checks. Because DANE-EE(3) is numerically
404 * largest, this is accomplished via descending sort by "usage".
406 * We also sort in descending order by matching ordinal to simplify
407 * the implementation of digest agility in the verification code.
409 * The choice of order for the selector is not significant, so we
410 * use the same descending order for consistency.
412 num
= sk_danetls_record_num(dane
->trecs
);
413 for (i
= 0; i
< num
; ++i
) {
414 danetls_record
*rec
= sk_danetls_record_value(dane
->trecs
, i
);
416 if (rec
->usage
> usage
)
418 if (rec
->usage
< usage
)
420 if (rec
->selector
> selector
)
422 if (rec
->selector
< selector
)
424 if (dane
->dctx
->mdord
[rec
->mtype
] > dane
->dctx
->mdord
[mtype
])
429 if (!sk_danetls_record_insert(dane
->trecs
, t
, i
)) {
431 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
434 dane
->umask
|= DANETLS_USAGE_BIT(usage
);
440 * Return 0 if there is only one version configured and it was disabled
441 * at configure time. Return 1 otherwise.
443 static int ssl_check_allowed_versions(int min_version
, int max_version
)
445 int minisdtls
= 0, maxisdtls
= 0;
447 /* Figure out if we're doing DTLS versions or TLS versions */
448 if (min_version
== DTLS1_BAD_VER
449 || min_version
>> 8 == DTLS1_VERSION_MAJOR
)
451 if (max_version
== DTLS1_BAD_VER
452 || max_version
>> 8 == DTLS1_VERSION_MAJOR
)
454 /* A wildcard version of 0 could be DTLS or TLS. */
455 if ((minisdtls
&& !maxisdtls
&& max_version
!= 0)
456 || (maxisdtls
&& !minisdtls
&& min_version
!= 0)) {
457 /* Mixing DTLS and TLS versions will lead to sadness; deny it. */
461 if (minisdtls
|| maxisdtls
) {
462 /* Do DTLS version checks. */
463 if (min_version
== 0)
464 /* Ignore DTLS1_BAD_VER */
465 min_version
= DTLS1_VERSION
;
466 if (max_version
== 0)
467 max_version
= DTLS1_2_VERSION
;
468 #ifdef OPENSSL_NO_DTLS1_2
469 if (max_version
== DTLS1_2_VERSION
)
470 max_version
= DTLS1_VERSION
;
472 #ifdef OPENSSL_NO_DTLS1
473 if (min_version
== DTLS1_VERSION
)
474 min_version
= DTLS1_2_VERSION
;
476 /* Done massaging versions; do the check. */
478 #ifdef OPENSSL_NO_DTLS1
479 || (DTLS_VERSION_GE(min_version
, DTLS1_VERSION
)
480 && DTLS_VERSION_GE(DTLS1_VERSION
, max_version
))
482 #ifdef OPENSSL_NO_DTLS1_2
483 || (DTLS_VERSION_GE(min_version
, DTLS1_2_VERSION
)
484 && DTLS_VERSION_GE(DTLS1_2_VERSION
, max_version
))
489 /* Regular TLS version checks. */
490 if (min_version
== 0)
491 min_version
= SSL3_VERSION
;
492 if (max_version
== 0)
493 max_version
= TLS1_3_VERSION
;
494 #ifdef OPENSSL_NO_TLS1_3
495 if (max_version
== TLS1_3_VERSION
)
496 max_version
= TLS1_2_VERSION
;
498 #ifdef OPENSSL_NO_TLS1_2
499 if (max_version
== TLS1_2_VERSION
)
500 max_version
= TLS1_1_VERSION
;
502 #ifdef OPENSSL_NO_TLS1_1
503 if (max_version
== TLS1_1_VERSION
)
504 max_version
= TLS1_VERSION
;
506 #ifdef OPENSSL_NO_TLS1
507 if (max_version
== TLS1_VERSION
)
508 max_version
= SSL3_VERSION
;
510 #ifdef OPENSSL_NO_SSL3
511 if (min_version
== SSL3_VERSION
)
512 min_version
= TLS1_VERSION
;
514 #ifdef OPENSSL_NO_TLS1
515 if (min_version
== TLS1_VERSION
)
516 min_version
= TLS1_1_VERSION
;
518 #ifdef OPENSSL_NO_TLS1_1
519 if (min_version
== TLS1_1_VERSION
)
520 min_version
= TLS1_2_VERSION
;
522 #ifdef OPENSSL_NO_TLS1_2
523 if (min_version
== TLS1_2_VERSION
)
524 min_version
= TLS1_3_VERSION
;
526 /* Done massaging versions; do the check. */
528 #ifdef OPENSSL_NO_SSL3
529 || (min_version
<= SSL3_VERSION
&& SSL3_VERSION
<= max_version
)
531 #ifdef OPENSSL_NO_TLS1
532 || (min_version
<= TLS1_VERSION
&& TLS1_VERSION
<= max_version
)
534 #ifdef OPENSSL_NO_TLS1_1
535 || (min_version
<= TLS1_1_VERSION
&& TLS1_1_VERSION
<= max_version
)
537 #ifdef OPENSSL_NO_TLS1_2
538 || (min_version
<= TLS1_2_VERSION
&& TLS1_2_VERSION
<= max_version
)
540 #ifdef OPENSSL_NO_TLS1_3
541 || (min_version
<= TLS1_3_VERSION
&& TLS1_3_VERSION
<= max_version
)
549 #if defined(__TANDEM) && defined(OPENSSL_VPROC)
551 * Define a VPROC function for HP NonStop build ssl library.
552 * This is used by platform version identification tools.
553 * Do not inline this procedure or make it static.
555 # define OPENSSL_VPROC_STRING_(x) x##_SSL
556 # define OPENSSL_VPROC_STRING(x) OPENSSL_VPROC_STRING_(x)
557 # define OPENSSL_VPROC_FUNC OPENSSL_VPROC_STRING(OPENSSL_VPROC)
558 void OPENSSL_VPROC_FUNC(void) {}
561 int SSL_clear(SSL
*s
)
563 if (s
->method
== NULL
) {
564 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_METHOD_SPECIFIED
);
568 return s
->method
->ssl_reset(s
);
571 int ossl_ssl_connection_reset(SSL
*s
)
573 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
578 if (ssl_clear_bad_session(sc
)) {
579 SSL_SESSION_free(sc
->session
);
582 SSL_SESSION_free(sc
->psksession
);
583 sc
->psksession
= NULL
;
584 OPENSSL_free(sc
->psksession_id
);
585 sc
->psksession_id
= NULL
;
586 sc
->psksession_id_len
= 0;
587 sc
->hello_retry_request
= SSL_HRR_NONE
;
588 sc
->sent_tickets
= 0;
594 if (sc
->renegotiate
) {
595 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
599 ossl_statem_clear(sc
);
601 sc
->version
= s
->method
->version
;
602 sc
->client_version
= sc
->version
;
603 sc
->rwstate
= SSL_NOTHING
;
605 BUF_MEM_free(sc
->init_buf
);
607 sc
->first_packet
= 0;
609 sc
->key_update
= SSL_KEY_UPDATE_NONE
;
610 memset(sc
->ext
.compress_certificate_from_peer
, 0,
611 sizeof(sc
->ext
.compress_certificate_from_peer
));
612 sc
->ext
.compress_certificate_sent
= 0;
614 EVP_MD_CTX_free(sc
->pha_dgst
);
617 /* Reset DANE verification result state */
620 X509_free(sc
->dane
.mcert
);
621 sc
->dane
.mcert
= NULL
;
622 sc
->dane
.mtlsa
= NULL
;
624 /* Clear the verification result peername */
625 X509_VERIFY_PARAM_move_peername(sc
->param
, NULL
);
627 /* Clear any shared connection state */
628 OPENSSL_free(sc
->shared_sigalgs
);
629 sc
->shared_sigalgs
= NULL
;
630 sc
->shared_sigalgslen
= 0;
633 * Check to see if we were changed into a different method, if so, revert
636 if (s
->method
!= s
->defltmeth
) {
637 s
->method
->ssl_deinit(s
);
638 s
->method
= s
->defltmeth
;
639 if (!s
->method
->ssl_init(s
))
642 if (!s
->method
->ssl_clear(s
))
646 if (!RECORD_LAYER_reset(&sc
->rlayer
))
652 #ifndef OPENSSL_NO_DEPRECATED_3_0
653 /** Used to change an SSL_CTXs default SSL method type */
654 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
656 STACK_OF(SSL_CIPHER
) *sk
;
658 if (IS_QUIC_CTX(ctx
)) {
659 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
665 if (!SSL_CTX_set_ciphersuites(ctx
, OSSL_default_ciphersuites())) {
666 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
669 sk
= ssl_create_cipher_list(ctx
,
670 ctx
->tls13_ciphersuites
,
672 &(ctx
->cipher_list_by_id
),
673 OSSL_default_cipher_list(), ctx
->cert
);
674 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
675 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
682 SSL
*SSL_new(SSL_CTX
*ctx
)
685 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_CTX
);
688 if (ctx
->method
== NULL
) {
689 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
692 return ctx
->method
->ssl_new(ctx
);
695 int ossl_ssl_init(SSL
*ssl
, SSL_CTX
*ctx
, const SSL_METHOD
*method
, int type
)
699 ssl
->lock
= CRYPTO_THREAD_lock_new();
700 if (ssl
->lock
== NULL
)
703 if (!CRYPTO_NEW_REF(&ssl
->references
, 1)) {
704 CRYPTO_THREAD_lock_free(ssl
->lock
);
708 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, ssl
, &ssl
->ex_data
)) {
709 CRYPTO_THREAD_lock_free(ssl
->lock
);
710 CRYPTO_FREE_REF(&ssl
->references
);
718 ssl
->defltmeth
= ssl
->method
= method
;
723 SSL
*ossl_ssl_connection_new_int(SSL_CTX
*ctx
, const SSL_METHOD
*method
)
728 s
= OPENSSL_zalloc(sizeof(*s
));
733 if (!ossl_ssl_init(ssl
, ctx
, method
, SSL_TYPE_SSL_CONNECTION
)) {
740 RECORD_LAYER_init(&s
->rlayer
, s
);
742 s
->options
= ctx
->options
;
744 s
->dane
.flags
= ctx
->dane
.flags
;
745 if (method
->version
== ctx
->method
->version
) {
746 s
->min_proto_version
= ctx
->min_proto_version
;
747 s
->max_proto_version
= ctx
->max_proto_version
;
751 s
->max_cert_list
= ctx
->max_cert_list
;
752 s
->max_early_data
= ctx
->max_early_data
;
753 s
->recv_max_early_data
= ctx
->recv_max_early_data
;
755 s
->num_tickets
= ctx
->num_tickets
;
756 s
->pha_enabled
= ctx
->pha_enabled
;
758 /* Shallow copy of the ciphersuites stack */
759 s
->tls13_ciphersuites
= sk_SSL_CIPHER_dup(ctx
->tls13_ciphersuites
);
760 if (s
->tls13_ciphersuites
== NULL
)
764 * Earlier library versions used to copy the pointer to the CERT, not
765 * its contents; only when setting new parameters for the per-SSL
766 * copy, ssl_cert_new would be called (and the direct reference to
767 * the per-SSL_CTX settings would be lost, but those still were
768 * indirectly accessed for various purposes, and for that reason they
769 * used to be known as s->ctx->default_cert). Now we don't look at the
770 * SSL_CTX's CERT after having duplicated it once.
772 s
->cert
= ssl_cert_dup(ctx
->cert
);
776 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
777 s
->msg_callback
= ctx
->msg_callback
;
778 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
779 s
->verify_mode
= ctx
->verify_mode
;
780 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
781 s
->rlayer
.record_padding_cb
= ctx
->record_padding_cb
;
782 s
->rlayer
.record_padding_arg
= ctx
->record_padding_arg
;
783 s
->rlayer
.block_padding
= ctx
->block_padding
;
784 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
785 if (!ossl_assert(s
->sid_ctx_length
<= sizeof(s
->sid_ctx
)))
787 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
788 s
->verify_callback
= ctx
->default_verify_callback
;
789 s
->generate_session_id
= ctx
->generate_session_id
;
791 s
->param
= X509_VERIFY_PARAM_new();
792 if (s
->param
== NULL
)
794 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
795 s
->quiet_shutdown
= IS_QUIC_CTX(ctx
) ? 0 : ctx
->quiet_shutdown
;
797 if (!IS_QUIC_CTX(ctx
))
798 s
->ext
.max_fragment_len_mode
= ctx
->ext
.max_fragment_len_mode
;
800 s
->max_send_fragment
= ctx
->max_send_fragment
;
801 s
->split_send_fragment
= ctx
->split_send_fragment
;
802 s
->max_pipelines
= ctx
->max_pipelines
;
803 s
->rlayer
.default_read_buf_len
= ctx
->default_read_buf_len
;
806 s
->ext
.debug_arg
= NULL
;
807 s
->ext
.ticket_expected
= 0;
808 s
->ext
.status_type
= ctx
->ext
.status_type
;
809 s
->ext
.status_expected
= 0;
810 s
->ext
.ocsp
.ids
= NULL
;
811 s
->ext
.ocsp
.exts
= NULL
;
812 s
->ext
.ocsp
.resp
= NULL
;
813 s
->ext
.ocsp
.resp_len
= 0;
815 s
->session_ctx
= ctx
;
816 if (ctx
->ext
.ecpointformats
) {
817 s
->ext
.ecpointformats
=
818 OPENSSL_memdup(ctx
->ext
.ecpointformats
,
819 ctx
->ext
.ecpointformats_len
);
820 if (!s
->ext
.ecpointformats
) {
821 s
->ext
.ecpointformats_len
= 0;
824 s
->ext
.ecpointformats_len
=
825 ctx
->ext
.ecpointformats_len
;
827 if (ctx
->ext
.supportedgroups
) {
828 s
->ext
.supportedgroups
=
829 OPENSSL_memdup(ctx
->ext
.supportedgroups
,
830 ctx
->ext
.supportedgroups_len
831 * sizeof(*ctx
->ext
.supportedgroups
));
832 if (!s
->ext
.supportedgroups
) {
833 s
->ext
.supportedgroups_len
= 0;
836 s
->ext
.supportedgroups_len
= ctx
->ext
.supportedgroups_len
;
839 #ifndef OPENSSL_NO_NEXTPROTONEG
843 if (ctx
->ext
.alpn
!= NULL
) {
844 s
->ext
.alpn
= OPENSSL_malloc(ctx
->ext
.alpn_len
);
845 if (s
->ext
.alpn
== NULL
) {
849 memcpy(s
->ext
.alpn
, ctx
->ext
.alpn
, ctx
->ext
.alpn_len
);
850 s
->ext
.alpn_len
= ctx
->ext
.alpn_len
;
853 s
->verified_chain
= NULL
;
854 s
->verify_result
= X509_V_OK
;
856 s
->default_passwd_callback
= ctx
->default_passwd_callback
;
857 s
->default_passwd_callback_userdata
= ctx
->default_passwd_callback_userdata
;
859 s
->key_update
= SSL_KEY_UPDATE_NONE
;
861 if (!IS_QUIC_CTX(ctx
)) {
862 s
->allow_early_data_cb
= ctx
->allow_early_data_cb
;
863 s
->allow_early_data_cb_data
= ctx
->allow_early_data_cb_data
;
866 if (!method
->ssl_init(ssl
))
869 s
->server
= (method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
871 if (!method
->ssl_reset(ssl
))
874 #ifndef OPENSSL_NO_PSK
875 s
->psk_client_callback
= ctx
->psk_client_callback
;
876 s
->psk_server_callback
= ctx
->psk_server_callback
;
878 s
->psk_find_session_cb
= ctx
->psk_find_session_cb
;
879 s
->psk_use_session_cb
= ctx
->psk_use_session_cb
;
881 s
->async_cb
= ctx
->async_cb
;
882 s
->async_cb_arg
= ctx
->async_cb_arg
;
886 #ifndef OPENSSL_NO_COMP_ALG
887 memcpy(s
->cert_comp_prefs
, ctx
->cert_comp_prefs
, sizeof(s
->cert_comp_prefs
));
889 if (ctx
->client_cert_type
!= NULL
) {
890 s
->client_cert_type
= OPENSSL_memdup(ctx
->client_cert_type
,
891 ctx
->client_cert_type_len
);
892 if (s
->client_cert_type
== NULL
)
894 s
->client_cert_type_len
= ctx
->client_cert_type_len
;
896 if (ctx
->server_cert_type
!= NULL
) {
897 s
->server_cert_type
= OPENSSL_memdup(ctx
->server_cert_type
,
898 ctx
->server_cert_type_len
);
899 if (s
->server_cert_type
== NULL
)
901 s
->server_cert_type_len
= ctx
->server_cert_type_len
;
904 #ifndef OPENSSL_NO_CT
905 if (!SSL_set_ct_validation_callback(ssl
, ctx
->ct_validation_callback
,
906 ctx
->ct_validation_callback_arg
))
910 s
->ssl_pkey_num
= SSL_PKEY_NUM
+ ctx
->sigalg_list_len
;
913 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
916 ERR_raise(ERR_LIB_SSL
, ERR_R_ASN1_LIB
);
919 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
925 SSL
*ossl_ssl_connection_new(SSL_CTX
*ctx
)
927 return ossl_ssl_connection_new_int(ctx
, ctx
->method
);
930 int SSL_is_dtls(const SSL
*s
)
932 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
934 #ifndef OPENSSL_NO_QUIC
935 if (s
->type
== SSL_TYPE_QUIC_CONNECTION
|| s
->type
== SSL_TYPE_QUIC_XSO
)
942 return SSL_CONNECTION_IS_DTLS(sc
) ? 1 : 0;
945 int SSL_is_tls(const SSL
*s
)
947 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
949 #ifndef OPENSSL_NO_QUIC
950 if (s
->type
== SSL_TYPE_QUIC_CONNECTION
|| s
->type
== SSL_TYPE_QUIC_XSO
)
957 return SSL_CONNECTION_IS_DTLS(sc
) ? 0 : 1;
960 int SSL_is_quic(const SSL
*s
)
962 #ifndef OPENSSL_NO_QUIC
963 if (s
->type
== SSL_TYPE_QUIC_CONNECTION
|| s
->type
== SSL_TYPE_QUIC_XSO
)
969 int SSL_up_ref(SSL
*s
)
973 if (CRYPTO_UP_REF(&s
->references
, &i
) <= 0)
976 REF_PRINT_COUNT("SSL", s
);
977 REF_ASSERT_ISNT(i
< 2);
978 return ((i
> 1) ? 1 : 0);
981 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
982 unsigned int sid_ctx_len
)
984 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
985 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
988 ctx
->sid_ctx_length
= sid_ctx_len
;
989 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
994 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
995 unsigned int sid_ctx_len
)
997 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1002 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
1003 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
1006 sc
->sid_ctx_length
= sid_ctx_len
;
1007 memcpy(sc
->sid_ctx
, sid_ctx
, sid_ctx_len
);
1012 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
1014 if (!CRYPTO_THREAD_write_lock(ctx
->lock
))
1016 ctx
->generate_session_id
= cb
;
1017 CRYPTO_THREAD_unlock(ctx
->lock
);
1021 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
1023 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1025 if (sc
== NULL
|| !CRYPTO_THREAD_write_lock(ssl
->lock
))
1027 sc
->generate_session_id
= cb
;
1028 CRYPTO_THREAD_unlock(ssl
->lock
);
1032 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
1033 unsigned int id_len
)
1036 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
1037 * we can "construct" a session to give us the desired check - i.e. to
1038 * find if there's a session in the hash table that would conflict with
1039 * any new session built out of this id/id_len and the ssl_version in use
1043 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
1045 if (sc
== NULL
|| id_len
> sizeof(r
.session_id
))
1048 r
.ssl_version
= sc
->version
;
1049 r
.session_id_length
= id_len
;
1050 memcpy(r
.session_id
, id
, id_len
);
1052 if (!CRYPTO_THREAD_read_lock(sc
->session_ctx
->lock
))
1054 p
= lh_SSL_SESSION_retrieve(sc
->session_ctx
->sessions
, &r
);
1055 CRYPTO_THREAD_unlock(sc
->session_ctx
->lock
);
1059 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
1061 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
1064 int SSL_set_purpose(SSL
*s
, int purpose
)
1066 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1071 return X509_VERIFY_PARAM_set_purpose(sc
->param
, purpose
);
1074 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
1076 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
1079 int SSL_set_trust(SSL
*s
, int trust
)
1081 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1086 return X509_VERIFY_PARAM_set_trust(sc
->param
, trust
);
1089 int SSL_set1_host(SSL
*s
, const char *hostname
)
1091 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1096 /* If a hostname is provided and parses as an IP address,
1097 * treat it as such. */
1098 if (hostname
!= NULL
1099 && X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
) == 1)
1102 return X509_VERIFY_PARAM_set1_host(sc
->param
, hostname
, 0);
1105 int SSL_add1_host(SSL
*s
, const char *hostname
)
1107 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1112 /* If a hostname is provided and parses as an IP address,
1113 * treat it as such. */
1116 ASN1_OCTET_STRING
*ip
;
1119 ip
= a2i_IPADDRESS(hostname
);
1121 /* We didn't want it; only to check if it *is* an IP address */
1122 ASN1_OCTET_STRING_free(ip
);
1124 old_ip
= X509_VERIFY_PARAM_get1_ip_asc(sc
->param
);
1127 OPENSSL_free(old_ip
);
1128 /* There can be only one IP address */
1132 return X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
);
1136 return X509_VERIFY_PARAM_add1_host(sc
->param
, hostname
, 0);
1139 void SSL_set_hostflags(SSL
*s
, unsigned int flags
)
1141 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1146 X509_VERIFY_PARAM_set_hostflags(sc
->param
, flags
);
1149 const char *SSL_get0_peername(SSL
*s
)
1151 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1156 return X509_VERIFY_PARAM_get0_peername(sc
->param
);
1159 int SSL_CTX_dane_enable(SSL_CTX
*ctx
)
1161 return dane_ctx_enable(&ctx
->dane
);
1164 unsigned long SSL_CTX_dane_set_flags(SSL_CTX
*ctx
, unsigned long flags
)
1166 unsigned long orig
= ctx
->dane
.flags
;
1168 ctx
->dane
.flags
|= flags
;
1172 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX
*ctx
, unsigned long flags
)
1174 unsigned long orig
= ctx
->dane
.flags
;
1176 ctx
->dane
.flags
&= ~flags
;
1180 int SSL_dane_enable(SSL
*s
, const char *basedomain
)
1183 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1189 if (s
->ctx
->dane
.mdmax
== 0) {
1190 ERR_raise(ERR_LIB_SSL
, SSL_R_CONTEXT_NOT_DANE_ENABLED
);
1193 if (dane
->trecs
!= NULL
) {
1194 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_ALREADY_ENABLED
);
1199 * Default SNI name. This rejects empty names, while set1_host below
1200 * accepts them and disables hostname checks. To avoid side-effects with
1201 * invalid input, set the SNI name first.
1203 if (sc
->ext
.hostname
== NULL
) {
1204 if (!SSL_set_tlsext_host_name(s
, basedomain
)) {
1205 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1210 /* Primary RFC6125 reference identifier */
1211 if (!X509_VERIFY_PARAM_set1_host(sc
->param
, basedomain
, 0)) {
1212 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1218 dane
->dctx
= &s
->ctx
->dane
;
1219 dane
->trecs
= sk_danetls_record_new_null();
1221 if (dane
->trecs
== NULL
) {
1222 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
1228 unsigned long SSL_dane_set_flags(SSL
*ssl
, unsigned long flags
)
1231 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1236 orig
= sc
->dane
.flags
;
1238 sc
->dane
.flags
|= flags
;
1242 unsigned long SSL_dane_clear_flags(SSL
*ssl
, unsigned long flags
)
1245 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1250 orig
= sc
->dane
.flags
;
1252 sc
->dane
.flags
&= ~flags
;
1256 int SSL_get0_dane_authority(SSL
*s
, X509
**mcert
, EVP_PKEY
**mspki
)
1259 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1266 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1270 *mcert
= dane
->mcert
;
1272 *mspki
= (dane
->mcert
== NULL
) ? dane
->mtlsa
->spki
: NULL
;
1277 int SSL_get0_dane_tlsa(SSL
*s
, uint8_t *usage
, uint8_t *selector
,
1278 uint8_t *mtype
, const unsigned char **data
, size_t *dlen
)
1281 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1288 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1292 *usage
= dane
->mtlsa
->usage
;
1294 *selector
= dane
->mtlsa
->selector
;
1296 *mtype
= dane
->mtlsa
->mtype
;
1298 *data
= dane
->mtlsa
->data
;
1300 *dlen
= dane
->mtlsa
->dlen
;
1305 SSL_DANE
*SSL_get0_dane(SSL
*s
)
1307 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1315 int SSL_dane_tlsa_add(SSL
*s
, uint8_t usage
, uint8_t selector
,
1316 uint8_t mtype
, const unsigned char *data
, size_t dlen
)
1318 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1323 return dane_tlsa_add(&sc
->dane
, usage
, selector
, mtype
, data
, dlen
);
1326 int SSL_CTX_dane_mtype_set(SSL_CTX
*ctx
, const EVP_MD
*md
, uint8_t mtype
,
1329 return dane_mtype_set(&ctx
->dane
, md
, mtype
, ord
);
1332 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
1334 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
1337 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
1339 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1344 return X509_VERIFY_PARAM_set1(sc
->param
, vpm
);
1347 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
1352 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
1354 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1362 void SSL_certs_clear(SSL
*s
)
1364 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1369 ssl_cert_clear_certs(sc
->cert
);
1372 void SSL_free(SSL
*s
)
1378 CRYPTO_DOWN_REF(&s
->references
, &i
);
1379 REF_PRINT_COUNT("SSL", s
);
1382 REF_ASSERT_ISNT(i
< 0);
1384 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
1386 if (s
->method
!= NULL
)
1387 s
->method
->ssl_free(s
);
1389 SSL_CTX_free(s
->ctx
);
1390 CRYPTO_THREAD_lock_free(s
->lock
);
1391 CRYPTO_FREE_REF(&s
->references
);
1396 void ossl_ssl_connection_free(SSL
*ssl
)
1400 s
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
1404 X509_VERIFY_PARAM_free(s
->param
);
1405 dane_final(&s
->dane
);
1407 /* Ignore return value */
1408 ssl_free_wbio_buffer(s
);
1410 /* Ignore return value */
1411 RECORD_LAYER_clear(&s
->rlayer
);
1413 BUF_MEM_free(s
->init_buf
);
1415 /* add extra stuff */
1416 sk_SSL_CIPHER_free(s
->cipher_list
);
1417 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
1418 sk_SSL_CIPHER_free(s
->tls13_ciphersuites
);
1419 sk_SSL_CIPHER_free(s
->peer_ciphers
);
1421 /* Make the next call work :-) */
1422 if (s
->session
!= NULL
) {
1423 ssl_clear_bad_session(s
);
1424 SSL_SESSION_free(s
->session
);
1426 SSL_SESSION_free(s
->psksession
);
1427 OPENSSL_free(s
->psksession_id
);
1429 ssl_cert_free(s
->cert
);
1430 OPENSSL_free(s
->shared_sigalgs
);
1431 /* Free up if allocated */
1433 OPENSSL_free(s
->ext
.hostname
);
1434 SSL_CTX_free(s
->session_ctx
);
1435 OPENSSL_free(s
->ext
.ecpointformats
);
1436 OPENSSL_free(s
->ext
.peer_ecpointformats
);
1437 OPENSSL_free(s
->ext
.supportedgroups
);
1438 OPENSSL_free(s
->ext
.peer_supportedgroups
);
1439 sk_X509_EXTENSION_pop_free(s
->ext
.ocsp
.exts
, X509_EXTENSION_free
);
1440 #ifndef OPENSSL_NO_OCSP
1441 sk_OCSP_RESPID_pop_free(s
->ext
.ocsp
.ids
, OCSP_RESPID_free
);
1443 #ifndef OPENSSL_NO_CT
1444 SCT_LIST_free(s
->scts
);
1445 OPENSSL_free(s
->ext
.scts
);
1447 OPENSSL_free(s
->ext
.ocsp
.resp
);
1448 OPENSSL_free(s
->ext
.alpn
);
1449 OPENSSL_free(s
->ext
.tls13_cookie
);
1450 if (s
->clienthello
!= NULL
)
1451 OPENSSL_free(s
->clienthello
->pre_proc_exts
);
1452 OPENSSL_free(s
->clienthello
);
1453 OPENSSL_free(s
->pha_context
);
1454 EVP_MD_CTX_free(s
->pha_dgst
);
1456 sk_X509_NAME_pop_free(s
->ca_names
, X509_NAME_free
);
1457 sk_X509_NAME_pop_free(s
->client_ca_names
, X509_NAME_free
);
1459 OPENSSL_free(s
->client_cert_type
);
1460 OPENSSL_free(s
->server_cert_type
);
1462 OSSL_STACK_OF_X509_free(s
->verified_chain
);
1464 if (ssl
->method
!= NULL
)
1465 ssl
->method
->ssl_deinit(ssl
);
1467 ASYNC_WAIT_CTX_free(s
->waitctx
);
1469 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1470 OPENSSL_free(s
->ext
.npn
);
1473 #ifndef OPENSSL_NO_SRTP
1474 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
1478 * We do this late. We want to ensure that any other references we held to
1479 * these BIOs are freed first *before* we call BIO_free_all(), because
1480 * BIO_free_all() will only free each BIO in the chain if the number of
1481 * references to the first BIO have dropped to 0
1483 BIO_free_all(s
->wbio
);
1485 BIO_free_all(s
->rbio
);
1487 OPENSSL_free(s
->s3
.tmp
.valid_flags
);
1490 void SSL_set0_rbio(SSL
*s
, BIO
*rbio
)
1492 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1494 #ifndef OPENSSL_NO_QUIC
1496 ossl_quic_conn_set0_net_rbio(s
, rbio
);
1504 BIO_free_all(sc
->rbio
);
1506 sc
->rlayer
.rrlmethod
->set1_bio(sc
->rlayer
.rrl
, sc
->rbio
);
1509 void SSL_set0_wbio(SSL
*s
, BIO
*wbio
)
1511 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1513 #ifndef OPENSSL_NO_QUIC
1515 ossl_quic_conn_set0_net_wbio(s
, wbio
);
1524 * If the output buffering BIO is still in place, remove it
1526 if (sc
->bbio
!= NULL
)
1527 sc
->wbio
= BIO_pop(sc
->wbio
);
1529 BIO_free_all(sc
->wbio
);
1532 /* Re-attach |bbio| to the new |wbio|. */
1533 if (sc
->bbio
!= NULL
)
1534 sc
->wbio
= BIO_push(sc
->bbio
, sc
->wbio
);
1536 sc
->rlayer
.wrlmethod
->set1_bio(sc
->rlayer
.wrl
, sc
->wbio
);
1539 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
1542 * For historical reasons, this function has many different cases in
1543 * ownership handling.
1546 /* If nothing has changed, do nothing */
1547 if (rbio
== SSL_get_rbio(s
) && wbio
== SSL_get_wbio(s
))
1551 * If the two arguments are equal then one fewer reference is granted by the
1552 * caller than we want to take
1554 if (rbio
!= NULL
&& rbio
== wbio
)
1558 * If only the wbio is changed only adopt one reference.
1560 if (rbio
== SSL_get_rbio(s
)) {
1561 SSL_set0_wbio(s
, wbio
);
1565 * There is an asymmetry here for historical reasons. If only the rbio is
1566 * changed AND the rbio and wbio were originally different, then we only
1567 * adopt one reference.
1569 if (wbio
== SSL_get_wbio(s
) && SSL_get_rbio(s
) != SSL_get_wbio(s
)) {
1570 SSL_set0_rbio(s
, rbio
);
1574 /* Otherwise, adopt both references. */
1575 SSL_set0_rbio(s
, rbio
);
1576 SSL_set0_wbio(s
, wbio
);
1579 BIO
*SSL_get_rbio(const SSL
*s
)
1581 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1583 #ifndef OPENSSL_NO_QUIC
1585 return ossl_quic_conn_get_net_rbio(s
);
1594 BIO
*SSL_get_wbio(const SSL
*s
)
1596 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1598 #ifndef OPENSSL_NO_QUIC
1600 return ossl_quic_conn_get_net_wbio(s
);
1606 if (sc
->bbio
!= NULL
) {
1608 * If |bbio| is active, the true caller-configured BIO is its
1611 return BIO_next(sc
->bbio
);
1616 int SSL_get_fd(const SSL
*s
)
1618 return SSL_get_rfd(s
);
1621 int SSL_get_rfd(const SSL
*s
)
1626 b
= SSL_get_rbio(s
);
1627 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1629 BIO_get_fd(r
, &ret
);
1633 int SSL_get_wfd(const SSL
*s
)
1638 b
= SSL_get_wbio(s
);
1639 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1641 BIO_get_fd(r
, &ret
);
1645 #ifndef OPENSSL_NO_SOCK
1646 static const BIO_METHOD
*fd_method(SSL
*s
)
1648 #ifndef OPENSSL_NO_DGRAM
1650 return BIO_s_datagram();
1653 return BIO_s_socket();
1656 int SSL_set_fd(SSL
*s
, int fd
)
1661 if (s
->type
== SSL_TYPE_QUIC_XSO
) {
1662 ERR_raise(ERR_LIB_SSL
, SSL_R_CONN_USE_ONLY
);
1666 bio
= BIO_new(fd_method(s
));
1669 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1672 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1673 SSL_set_bio(s
, bio
, bio
);
1674 #ifndef OPENSSL_NO_KTLS
1676 * The new socket is created successfully regardless of ktls_enable.
1677 * ktls_enable doesn't change any functionality of the socket, except
1678 * changing the setsockopt to enable the processing of ktls_start.
1679 * Thus, it is not a problem to call it for non-TLS sockets.
1682 #endif /* OPENSSL_NO_KTLS */
1688 int SSL_set_wfd(SSL
*s
, int fd
)
1690 BIO
*rbio
= SSL_get_rbio(s
);
1691 int desired_type
= IS_QUIC(s
) ? BIO_TYPE_DGRAM
: BIO_TYPE_SOCKET
;
1693 if (s
->type
== SSL_TYPE_QUIC_XSO
) {
1694 ERR_raise(ERR_LIB_SSL
, SSL_R_CONN_USE_ONLY
);
1698 if (rbio
== NULL
|| BIO_method_type(rbio
) != desired_type
1699 || (int)BIO_get_fd(rbio
, NULL
) != fd
) {
1700 BIO
*bio
= BIO_new(fd_method(s
));
1703 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1706 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1707 SSL_set0_wbio(s
, bio
);
1708 #ifndef OPENSSL_NO_KTLS
1710 * The new socket is created successfully regardless of ktls_enable.
1711 * ktls_enable doesn't change any functionality of the socket, except
1712 * changing the setsockopt to enable the processing of ktls_start.
1713 * Thus, it is not a problem to call it for non-TLS sockets.
1716 #endif /* OPENSSL_NO_KTLS */
1719 SSL_set0_wbio(s
, rbio
);
1724 int SSL_set_rfd(SSL
*s
, int fd
)
1726 BIO
*wbio
= SSL_get_wbio(s
);
1727 int desired_type
= IS_QUIC(s
) ? BIO_TYPE_DGRAM
: BIO_TYPE_SOCKET
;
1729 if (s
->type
== SSL_TYPE_QUIC_XSO
) {
1730 ERR_raise(ERR_LIB_SSL
, SSL_R_CONN_USE_ONLY
);
1734 if (wbio
== NULL
|| BIO_method_type(wbio
) != desired_type
1735 || ((int)BIO_get_fd(wbio
, NULL
) != fd
)) {
1736 BIO
*bio
= BIO_new(fd_method(s
));
1739 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1742 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1743 SSL_set0_rbio(s
, bio
);
1746 SSL_set0_rbio(s
, wbio
);
1753 /* return length of latest Finished message we sent, copy to 'buf' */
1754 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
1757 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1762 ret
= sc
->s3
.tmp
.finish_md_len
;
1765 memcpy(buf
, sc
->s3
.tmp
.finish_md
, count
);
1769 /* return length of latest Finished message we expected, copy to 'buf' */
1770 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
1773 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1778 ret
= sc
->s3
.tmp
.peer_finish_md_len
;
1781 memcpy(buf
, sc
->s3
.tmp
.peer_finish_md
, count
);
1785 int SSL_get_verify_mode(const SSL
*s
)
1787 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1792 return sc
->verify_mode
;
1795 int SSL_get_verify_depth(const SSL
*s
)
1797 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1802 return X509_VERIFY_PARAM_get_depth(sc
->param
);
1805 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
1806 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1811 return sc
->verify_callback
;
1814 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
1816 return ctx
->verify_mode
;
1819 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
1821 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
1824 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
1825 return ctx
->default_verify_callback
;
1828 void SSL_set_verify(SSL
*s
, int mode
,
1829 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
1831 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1836 sc
->verify_mode
= mode
;
1837 if (callback
!= NULL
)
1838 sc
->verify_callback
= callback
;
1841 void SSL_set_verify_depth(SSL
*s
, int depth
)
1843 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1848 X509_VERIFY_PARAM_set_depth(sc
->param
, depth
);
1851 void SSL_set_read_ahead(SSL
*s
, int yes
)
1853 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
1854 OSSL_PARAM options
[2], *opts
= options
;
1859 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, yes
);
1861 *opts
++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD
,
1862 &sc
->rlayer
.read_ahead
);
1863 *opts
= OSSL_PARAM_construct_end();
1865 /* Ignore return value */
1866 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
1869 int SSL_get_read_ahead(const SSL
*s
)
1871 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
1876 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
1879 int SSL_pending(const SSL
*s
)
1881 size_t pending
= s
->method
->ssl_pending(s
);
1884 * SSL_pending cannot work properly if read-ahead is enabled
1885 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
1886 * impossible to fix since SSL_pending cannot report errors that may be
1887 * observed while scanning the new data. (Note that SSL_pending() is
1888 * often used as a boolean value, so we'd better not return -1.)
1890 * SSL_pending also cannot work properly if the value >INT_MAX. In that case
1891 * we just return INT_MAX.
1893 return pending
< INT_MAX
? (int)pending
: INT_MAX
;
1896 int SSL_has_pending(const SSL
*s
)
1899 * Similar to SSL_pending() but returns a 1 to indicate that we have
1900 * processed or unprocessed data available or 0 otherwise (as opposed to the
1901 * number of bytes available). Unlike SSL_pending() this will take into
1902 * account read_ahead data. A 1 return simply indicates that we have data.
1903 * That data may not result in any application data, or we may fail to parse
1904 * the records for some reason.
1906 const SSL_CONNECTION
*sc
;
1908 #ifndef OPENSSL_NO_QUIC
1910 return ossl_quic_has_pending(s
);
1913 sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1915 /* Check buffered app data if any first */
1916 if (SSL_CONNECTION_IS_DTLS(sc
)) {
1920 iter
= pqueue_iterator(sc
->rlayer
.d
->buffered_app_data
.q
);
1921 while ((item
= pqueue_next(&iter
)) != NULL
) {
1923 if (rdata
->length
> 0)
1928 if (RECORD_LAYER_processed_read_pending(&sc
->rlayer
))
1931 return RECORD_LAYER_read_pending(&sc
->rlayer
);
1934 X509
*SSL_get1_peer_certificate(const SSL
*s
)
1936 X509
*r
= SSL_get0_peer_certificate(s
);
1944 X509
*SSL_get0_peer_certificate(const SSL
*s
)
1946 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1951 if (sc
->session
== NULL
)
1954 return sc
->session
->peer
;
1957 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
1960 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1965 if (sc
->session
== NULL
)
1968 r
= sc
->session
->peer_chain
;
1971 * If we are a client, cert_chain includes the peer's own certificate; if
1972 * we are a server, it does not.
1979 * Now in theory, since the calling process own 't' it should be safe to
1980 * modify. We need to be able to read f without being hassled
1982 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
1985 /* TODO(QUIC FUTURE): Not allowed for QUIC currently. */
1986 SSL_CONNECTION
*tsc
= SSL_CONNECTION_FROM_SSL_ONLY(t
);
1987 const SSL_CONNECTION
*fsc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(f
);
1989 if (tsc
== NULL
|| fsc
== NULL
)
1992 /* Do we need to do SSL locking? */
1993 if (!SSL_set_session(t
, SSL_get_session(f
))) {
1998 * what if we are setup for one protocol version but want to talk another
2000 if (t
->method
!= f
->method
) {
2001 t
->method
->ssl_deinit(t
);
2002 t
->method
= f
->method
;
2003 if (t
->method
->ssl_init(t
) == 0)
2007 CRYPTO_UP_REF(&fsc
->cert
->references
, &i
);
2008 ssl_cert_free(tsc
->cert
);
2009 tsc
->cert
= fsc
->cert
;
2010 if (!SSL_set_session_id_context(t
, fsc
->sid_ctx
, (int)fsc
->sid_ctx_length
)) {
2017 /* Fix this so it checks all the valid key/cert options */
2018 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
2020 if ((ctx
== NULL
) || (ctx
->cert
->key
->x509
== NULL
)) {
2021 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
2024 if (ctx
->cert
->key
->privatekey
== NULL
) {
2025 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
2028 return X509_check_private_key
2029 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
);
2032 /* Fix this function so that it takes an optional type parameter */
2033 int SSL_check_private_key(const SSL
*ssl
)
2035 const SSL_CONNECTION
*sc
;
2037 if ((sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
)) == NULL
) {
2038 ERR_raise(ERR_LIB_SSL
, ERR_R_PASSED_NULL_PARAMETER
);
2041 if (sc
->cert
->key
->x509
== NULL
) {
2042 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
2045 if (sc
->cert
->key
->privatekey
== NULL
) {
2046 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
2049 return X509_check_private_key(sc
->cert
->key
->x509
,
2050 sc
->cert
->key
->privatekey
);
2053 int SSL_waiting_for_async(SSL
*s
)
2055 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2066 int SSL_get_all_async_fds(SSL
*s
, OSSL_ASYNC_FD
*fds
, size_t *numfds
)
2068 ASYNC_WAIT_CTX
*ctx
;
2069 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2074 if ((ctx
= sc
->waitctx
) == NULL
)
2076 return ASYNC_WAIT_CTX_get_all_fds(ctx
, fds
, numfds
);
2079 int SSL_get_changed_async_fds(SSL
*s
, OSSL_ASYNC_FD
*addfd
, size_t *numaddfds
,
2080 OSSL_ASYNC_FD
*delfd
, size_t *numdelfds
)
2082 ASYNC_WAIT_CTX
*ctx
;
2083 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2088 if ((ctx
= sc
->waitctx
) == NULL
)
2090 return ASYNC_WAIT_CTX_get_changed_fds(ctx
, addfd
, numaddfds
, delfd
,
2094 int SSL_CTX_set_async_callback(SSL_CTX
*ctx
, SSL_async_callback_fn callback
)
2096 ctx
->async_cb
= callback
;
2100 int SSL_CTX_set_async_callback_arg(SSL_CTX
*ctx
, void *arg
)
2102 ctx
->async_cb_arg
= arg
;
2106 int SSL_set_async_callback(SSL
*s
, SSL_async_callback_fn callback
)
2108 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2113 sc
->async_cb
= callback
;
2117 int SSL_set_async_callback_arg(SSL
*s
, void *arg
)
2119 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2124 sc
->async_cb_arg
= arg
;
2128 int SSL_get_async_status(SSL
*s
, int *status
)
2130 ASYNC_WAIT_CTX
*ctx
;
2131 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2136 if ((ctx
= sc
->waitctx
) == NULL
)
2138 *status
= ASYNC_WAIT_CTX_get_status(ctx
);
2142 int SSL_accept(SSL
*s
)
2144 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2146 #ifndef OPENSSL_NO_QUIC
2148 return s
->method
->ssl_accept(s
);
2154 if (sc
->handshake_func
== NULL
) {
2155 /* Not properly initialized yet */
2156 SSL_set_accept_state(s
);
2159 return SSL_do_handshake(s
);
2162 int SSL_connect(SSL
*s
)
2164 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2166 #ifndef OPENSSL_NO_QUIC
2168 return s
->method
->ssl_connect(s
);
2174 if (sc
->handshake_func
== NULL
) {
2175 /* Not properly initialized yet */
2176 SSL_set_connect_state(s
);
2179 return SSL_do_handshake(s
);
2182 long SSL_get_default_timeout(const SSL
*s
)
2184 return (long int)ossl_time2seconds(s
->method
->get_timeout());
2187 static int ssl_async_wait_ctx_cb(void *arg
)
2189 SSL
*s
= (SSL
*)arg
;
2190 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2195 return sc
->async_cb(s
, sc
->async_cb_arg
);
2198 static int ssl_start_async_job(SSL
*s
, struct ssl_async_args
*args
,
2199 int (*func
) (void *))
2202 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2207 if (sc
->waitctx
== NULL
) {
2208 sc
->waitctx
= ASYNC_WAIT_CTX_new();
2209 if (sc
->waitctx
== NULL
)
2211 if (sc
->async_cb
!= NULL
2212 && !ASYNC_WAIT_CTX_set_callback
2213 (sc
->waitctx
, ssl_async_wait_ctx_cb
, s
))
2217 sc
->rwstate
= SSL_NOTHING
;
2218 switch (ASYNC_start_job(&sc
->job
, sc
->waitctx
, &ret
, func
, args
,
2219 sizeof(struct ssl_async_args
))) {
2221 sc
->rwstate
= SSL_NOTHING
;
2222 ERR_raise(ERR_LIB_SSL
, SSL_R_FAILED_TO_INIT_ASYNC
);
2225 sc
->rwstate
= SSL_ASYNC_PAUSED
;
2228 sc
->rwstate
= SSL_ASYNC_NO_JOBS
;
2234 sc
->rwstate
= SSL_NOTHING
;
2235 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
2236 /* Shouldn't happen */
2241 static int ssl_io_intern(void *vargs
)
2243 struct ssl_async_args
*args
;
2249 args
= (struct ssl_async_args
*)vargs
;
2253 if ((sc
= SSL_CONNECTION_FROM_SSL(s
)) == NULL
)
2256 switch (args
->type
) {
2258 return args
->f
.func_read(s
, buf
, num
, &sc
->asyncrw
);
2260 return args
->f
.func_write(s
, buf
, num
, &sc
->asyncrw
);
2262 return args
->f
.func_other(s
);
2267 int ssl_read_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2269 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2271 #ifndef OPENSSL_NO_QUIC
2273 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2279 if (sc
->handshake_func
== NULL
) {
2280 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2284 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2285 sc
->rwstate
= SSL_NOTHING
;
2289 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2290 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
) {
2291 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2295 * If we are a client and haven't received the ServerHello etc then we
2298 ossl_statem_check_finish_init(sc
, 0);
2300 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2301 struct ssl_async_args args
;
2307 args
.type
= READFUNC
;
2308 args
.f
.func_read
= s
->method
->ssl_read
;
2310 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2311 *readbytes
= sc
->asyncrw
;
2314 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2318 int SSL_read(SSL
*s
, void *buf
, int num
)
2324 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2328 ret
= ssl_read_internal(s
, buf
, (size_t)num
, &readbytes
);
2331 * The cast is safe here because ret should be <= INT_MAX because num is
2335 ret
= (int)readbytes
;
2340 int SSL_read_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2342 int ret
= ssl_read_internal(s
, buf
, num
, readbytes
);
2349 int SSL_read_early_data(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2352 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2354 /* TODO(QUIC 0RTT): 0-RTT support */
2355 if (sc
== NULL
|| !sc
->server
) {
2356 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2357 return SSL_READ_EARLY_DATA_ERROR
;
2360 switch (sc
->early_data_state
) {
2361 case SSL_EARLY_DATA_NONE
:
2362 if (!SSL_in_before(s
)) {
2363 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2364 return SSL_READ_EARLY_DATA_ERROR
;
2368 case SSL_EARLY_DATA_ACCEPT_RETRY
:
2369 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPTING
;
2370 ret
= SSL_accept(s
);
2373 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPT_RETRY
;
2374 return SSL_READ_EARLY_DATA_ERROR
;
2378 case SSL_EARLY_DATA_READ_RETRY
:
2379 if (sc
->ext
.early_data
== SSL_EARLY_DATA_ACCEPTED
) {
2380 sc
->early_data_state
= SSL_EARLY_DATA_READING
;
2381 ret
= SSL_read_ex(s
, buf
, num
, readbytes
);
2383 * State machine will update early_data_state to
2384 * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData
2387 if (ret
> 0 || (ret
<= 0 && sc
->early_data_state
2388 != SSL_EARLY_DATA_FINISHED_READING
)) {
2389 sc
->early_data_state
= SSL_EARLY_DATA_READ_RETRY
;
2390 return ret
> 0 ? SSL_READ_EARLY_DATA_SUCCESS
2391 : SSL_READ_EARLY_DATA_ERROR
;
2394 sc
->early_data_state
= SSL_EARLY_DATA_FINISHED_READING
;
2397 return SSL_READ_EARLY_DATA_FINISH
;
2400 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2401 return SSL_READ_EARLY_DATA_ERROR
;
2405 int SSL_get_early_data_status(const SSL
*s
)
2407 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
2409 /* TODO(QUIC 0RTT): 0-RTT support */
2413 return sc
->ext
.early_data
;
2416 static int ssl_peek_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2418 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2420 #ifndef OPENSSL_NO_QUIC
2422 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2428 if (sc
->handshake_func
== NULL
) {
2429 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2433 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2436 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2437 struct ssl_async_args args
;
2443 args
.type
= READFUNC
;
2444 args
.f
.func_read
= s
->method
->ssl_peek
;
2446 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2447 *readbytes
= sc
->asyncrw
;
2450 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2454 int SSL_peek(SSL
*s
, void *buf
, int num
)
2460 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2464 ret
= ssl_peek_internal(s
, buf
, (size_t)num
, &readbytes
);
2467 * The cast is safe here because ret should be <= INT_MAX because num is
2471 ret
= (int)readbytes
;
2477 int SSL_peek_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2479 int ret
= ssl_peek_internal(s
, buf
, num
, readbytes
);
2486 int ssl_write_internal(SSL
*s
, const void *buf
, size_t num
,
2487 uint64_t flags
, size_t *written
)
2489 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2491 #ifndef OPENSSL_NO_QUIC
2493 return ossl_quic_write_flags(s
, buf
, num
, flags
, written
);
2499 if (sc
->handshake_func
== NULL
) {
2500 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2504 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2505 sc
->rwstate
= SSL_NOTHING
;
2506 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2511 ERR_raise(ERR_LIB_SSL
, SSL_R_UNSUPPORTED_WRITE_FLAG
);
2515 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2516 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
2517 || sc
->early_data_state
== SSL_EARLY_DATA_READ_RETRY
) {
2518 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2521 /* If we are a client and haven't sent the Finished we better do that */
2522 ossl_statem_check_finish_init(sc
, 1);
2524 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2526 struct ssl_async_args args
;
2529 args
.buf
= (void *)buf
;
2531 args
.type
= WRITEFUNC
;
2532 args
.f
.func_write
= s
->method
->ssl_write
;
2534 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2535 *written
= sc
->asyncrw
;
2538 return s
->method
->ssl_write(s
, buf
, num
, written
);
2542 ossl_ssize_t
SSL_sendfile(SSL
*s
, int fd
, off_t offset
, size_t size
, int flags
)
2545 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2550 if (sc
->handshake_func
== NULL
) {
2551 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2555 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2556 sc
->rwstate
= SSL_NOTHING
;
2557 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2561 if (!BIO_get_ktls_send(sc
->wbio
)) {
2562 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2566 /* If we have an alert to send, lets send it */
2567 if (sc
->s3
.alert_dispatch
> 0) {
2568 ret
= (ossl_ssize_t
)s
->method
->ssl_dispatch_alert(s
);
2570 /* SSLfatal() already called if appropriate */
2573 /* if it went, fall through and send more stuff */
2576 sc
->rwstate
= SSL_WRITING
;
2577 if (BIO_flush(sc
->wbio
) <= 0) {
2578 if (!BIO_should_retry(sc
->wbio
)) {
2579 sc
->rwstate
= SSL_NOTHING
;
2582 set_sys_error(EAGAIN
);
2588 #ifdef OPENSSL_NO_KTLS
2589 ERR_raise_data(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
,
2590 "can't call ktls_sendfile(), ktls disabled");
2593 ret
= ktls_sendfile(SSL_get_wfd(s
), fd
, offset
, size
, flags
);
2595 #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY)
2596 if ((get_last_sys_error() == EAGAIN
) ||
2597 (get_last_sys_error() == EINTR
) ||
2598 (get_last_sys_error() == EBUSY
))
2599 BIO_set_retry_write(sc
->wbio
);
2602 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2605 sc
->rwstate
= SSL_NOTHING
;
2610 int SSL_write(SSL
*s
, const void *buf
, int num
)
2616 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2620 ret
= ssl_write_internal(s
, buf
, (size_t)num
, 0, &written
);
2623 * The cast is safe here because ret should be <= INT_MAX because num is
2632 int SSL_write_ex(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2634 return SSL_write_ex2(s
, buf
, num
, 0, written
);
2637 int SSL_write_ex2(SSL
*s
, const void *buf
, size_t num
, uint64_t flags
,
2640 int ret
= ssl_write_internal(s
, buf
, num
, flags
, written
);
2647 int SSL_write_early_data(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2649 int ret
, early_data_state
;
2651 uint32_t partialwrite
;
2652 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2654 /* TODO(QUIC 0RTT): This will need special handling for QUIC */
2658 switch (sc
->early_data_state
) {
2659 case SSL_EARLY_DATA_NONE
:
2661 || !SSL_in_before(s
)
2662 || ((sc
->session
== NULL
|| sc
->session
->ext
.max_early_data
== 0)
2663 && (sc
->psk_use_session_cb
== NULL
))) {
2664 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2669 case SSL_EARLY_DATA_CONNECT_RETRY
:
2670 sc
->early_data_state
= SSL_EARLY_DATA_CONNECTING
;
2671 ret
= SSL_connect(s
);
2674 sc
->early_data_state
= SSL_EARLY_DATA_CONNECT_RETRY
;
2679 case SSL_EARLY_DATA_WRITE_RETRY
:
2680 sc
->early_data_state
= SSL_EARLY_DATA_WRITING
;
2682 * We disable partial write for early data because we don't keep track
2683 * of how many bytes we've written between the SSL_write_ex() call and
2684 * the flush if the flush needs to be retried)
2686 partialwrite
= sc
->mode
& SSL_MODE_ENABLE_PARTIAL_WRITE
;
2687 sc
->mode
&= ~SSL_MODE_ENABLE_PARTIAL_WRITE
;
2688 ret
= SSL_write_ex(s
, buf
, num
, &writtmp
);
2689 sc
->mode
|= partialwrite
;
2691 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2694 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_FLUSH
;
2697 case SSL_EARLY_DATA_WRITE_FLUSH
:
2698 /* The buffering BIO is still in place so we need to flush it */
2699 if (statem_flush(sc
) != 1)
2702 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2705 case SSL_EARLY_DATA_FINISHED_READING
:
2706 case SSL_EARLY_DATA_READ_RETRY
:
2707 early_data_state
= sc
->early_data_state
;
2708 /* We are a server writing to an unauthenticated client */
2709 sc
->early_data_state
= SSL_EARLY_DATA_UNAUTH_WRITING
;
2710 ret
= SSL_write_ex(s
, buf
, num
, written
);
2711 /* The buffering BIO is still in place */
2713 (void)BIO_flush(sc
->wbio
);
2714 sc
->early_data_state
= early_data_state
;
2718 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2723 int SSL_shutdown(SSL
*s
)
2726 * Note that this function behaves differently from what one might
2727 * expect. Return values are 0 for no success (yet), 1 for success; but
2728 * calling it once is usually not enough, even if blocking I/O is used
2729 * (see ssl3_shutdown).
2731 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2733 #ifndef OPENSSL_NO_QUIC
2735 return ossl_quic_conn_shutdown(s
, 0, NULL
, 0);
2741 if (sc
->handshake_func
== NULL
) {
2742 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2746 if (!SSL_in_init(s
)) {
2747 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2748 struct ssl_async_args args
;
2750 memset(&args
, 0, sizeof(args
));
2752 args
.type
= OTHERFUNC
;
2753 args
.f
.func_other
= s
->method
->ssl_shutdown
;
2755 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
2757 return s
->method
->ssl_shutdown(s
);
2760 ERR_raise(ERR_LIB_SSL
, SSL_R_SHUTDOWN_WHILE_IN_INIT
);
2765 int SSL_key_update(SSL
*s
, int updatetype
)
2767 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2769 #ifndef OPENSSL_NO_QUIC
2771 return ossl_quic_key_update(s
, updatetype
);
2777 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
2778 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2782 if (updatetype
!= SSL_KEY_UPDATE_NOT_REQUESTED
2783 && updatetype
!= SSL_KEY_UPDATE_REQUESTED
) {
2784 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_KEY_UPDATE_TYPE
);
2788 if (!SSL_is_init_finished(s
)) {
2789 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
2793 if (RECORD_LAYER_write_pending(&sc
->rlayer
)) {
2794 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_WRITE_RETRY
);
2798 ossl_statem_set_in_init(sc
, 1);
2799 sc
->key_update
= updatetype
;
2803 int SSL_get_key_update_type(const SSL
*s
)
2805 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
2807 #ifndef OPENSSL_NO_QUIC
2809 return ossl_quic_get_key_update_type(s
);
2815 return sc
->key_update
;
2819 * Can we accept a renegotiation request? If yes, set the flag and
2820 * return 1 if yes. If not, raise error and return 0.
2822 static int can_renegotiate(const SSL_CONNECTION
*sc
)
2824 if (SSL_CONNECTION_IS_TLS13(sc
)) {
2825 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2829 if ((sc
->options
& SSL_OP_NO_RENEGOTIATION
) != 0) {
2830 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_RENEGOTIATION
);
2837 int SSL_renegotiate(SSL
*s
)
2839 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2844 if (!can_renegotiate(sc
))
2847 sc
->renegotiate
= 1;
2848 sc
->new_session
= 1;
2849 return s
->method
->ssl_renegotiate(s
);
2852 int SSL_renegotiate_abbreviated(SSL
*s
)
2854 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2859 if (!can_renegotiate(sc
))
2862 sc
->renegotiate
= 1;
2863 sc
->new_session
= 0;
2864 return s
->method
->ssl_renegotiate(s
);
2867 int SSL_renegotiate_pending(const SSL
*s
)
2869 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2875 * becomes true when negotiation is requested; false again once a
2876 * handshake has finished
2878 return (sc
->renegotiate
!= 0);
2881 int SSL_new_session_ticket(SSL
*s
)
2883 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2888 /* If we are in init because we're sending tickets, okay to send more. */
2889 if ((SSL_in_init(s
) && sc
->ext
.extra_tickets_expected
== 0)
2890 || SSL_IS_FIRST_HANDSHAKE(sc
) || !sc
->server
2891 || !SSL_CONNECTION_IS_TLS13(sc
))
2893 sc
->ext
.extra_tickets_expected
++;
2894 if (!RECORD_LAYER_write_pending(&sc
->rlayer
) && !SSL_in_init(s
))
2895 ossl_statem_set_in_init(sc
, 1);
2899 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
2901 return ossl_ctrl_internal(s
, cmd
, larg
, parg
, /*no_quic=*/0);
2904 long ossl_ctrl_internal(SSL
*s
, int cmd
, long larg
, void *parg
, int no_quic
)
2907 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2910 * Routing of ctrl calls for QUIC is a little counterintuitive:
2912 * - Firstly (no_quic=0), we pass the ctrl directly to our QUIC
2913 * implementation in case it wants to handle the ctrl specially.
2915 * - If our QUIC implementation does not care about the ctrl, it
2916 * will reenter this function with no_quic=1 and we will try to handle
2917 * it directly using the QCSO SSL object stub (not the handshake layer
2918 * SSL object). This is important for e.g. the version configuration
2919 * ctrls below, which must use s->defltmeth (and not sc->defltmeth).
2921 * - If we don't handle a ctrl here specially, then processing is
2922 * redirected to the handshake layer SSL object.
2924 if (!no_quic
&& IS_QUIC(s
))
2925 return s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
);
2931 case SSL_CTRL_GET_READ_AHEAD
:
2932 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2933 case SSL_CTRL_SET_READ_AHEAD
:
2934 l
= RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2935 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, larg
);
2940 OSSL_PARAM options
[2], *opts
= options
;
2944 *opts
++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE
,
2946 *opts
= OSSL_PARAM_construct_end();
2948 /* Ignore return value */
2949 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
2953 case SSL_CTRL_CLEAR_MODE
:
2954 return (sc
->mode
&= ~larg
);
2955 case SSL_CTRL_GET_MAX_CERT_LIST
:
2956 return (long)sc
->max_cert_list
;
2957 case SSL_CTRL_SET_MAX_CERT_LIST
:
2960 l
= (long)sc
->max_cert_list
;
2961 sc
->max_cert_list
= (size_t)larg
;
2963 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
2964 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
2966 #ifndef OPENSSL_NO_KTLS
2967 if (sc
->wbio
!= NULL
&& BIO_get_ktls_send(sc
->wbio
))
2969 #endif /* OPENSSL_NO_KTLS */
2970 sc
->max_send_fragment
= larg
;
2971 if (sc
->max_send_fragment
< sc
->split_send_fragment
)
2972 sc
->split_send_fragment
= sc
->max_send_fragment
;
2973 sc
->rlayer
.wrlmethod
->set_max_frag_len(sc
->rlayer
.wrl
, larg
);
2975 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
2976 if ((size_t)larg
> sc
->max_send_fragment
|| larg
== 0)
2978 sc
->split_send_fragment
= larg
;
2980 case SSL_CTRL_SET_MAX_PIPELINES
:
2981 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
2983 sc
->max_pipelines
= larg
;
2984 if (sc
->rlayer
.rrlmethod
->set_max_pipelines
!= NULL
)
2985 sc
->rlayer
.rrlmethod
->set_max_pipelines(sc
->rlayer
.rrl
, (size_t)larg
);
2987 case SSL_CTRL_GET_RI_SUPPORT
:
2988 return sc
->s3
.send_connection_binding
;
2989 case SSL_CTRL_SET_RETRY_VERIFY
:
2990 sc
->rwstate
= SSL_RETRY_VERIFY
;
2992 case SSL_CTRL_CERT_FLAGS
:
2993 return (sc
->cert
->cert_flags
|= larg
);
2994 case SSL_CTRL_CLEAR_CERT_FLAGS
:
2995 return (sc
->cert
->cert_flags
&= ~larg
);
2997 case SSL_CTRL_GET_RAW_CIPHERLIST
:
2999 if (sc
->s3
.tmp
.ciphers_raw
== NULL
)
3001 *(unsigned char **)parg
= sc
->s3
.tmp
.ciphers_raw
;
3002 return (int)sc
->s3
.tmp
.ciphers_rawlen
;
3004 return TLS_CIPHER_LEN
;
3006 case SSL_CTRL_GET_EXTMS_SUPPORT
:
3007 if (!sc
->session
|| SSL_in_init(s
) || ossl_statem_get_in_handshake(sc
))
3009 if (sc
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
3013 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
3014 return ssl_check_allowed_versions(larg
, sc
->max_proto_version
)
3015 && ssl_set_version_bound(s
->defltmeth
->version
, (int)larg
,
3016 &sc
->min_proto_version
);
3017 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
3018 return sc
->min_proto_version
;
3019 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
3020 return ssl_check_allowed_versions(sc
->min_proto_version
, larg
)
3021 && ssl_set_version_bound(s
->defltmeth
->version
, (int)larg
,
3022 &sc
->max_proto_version
);
3023 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
3024 return sc
->max_proto_version
;
3027 return SSL_ctrl((SSL
*)sc
, cmd
, larg
, parg
);
3029 return s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
);
3033 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
3035 return s
->method
->ssl_callback_ctrl(s
, cmd
, fp
);
3038 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
3040 return ctx
->sessions
;
3043 static int ssl_tsan_load(SSL_CTX
*ctx
, TSAN_QUALIFIER
int *stat
)
3047 if (ssl_tsan_lock(ctx
)) {
3048 res
= tsan_load(stat
);
3049 ssl_tsan_unlock(ctx
);
3054 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
3057 /* For some cases with ctx == NULL perform syntax checks */
3060 case SSL_CTRL_SET_GROUPS_LIST
:
3061 return tls1_set_groups_list(ctx
, NULL
, NULL
, parg
);
3062 case SSL_CTRL_SET_SIGALGS_LIST
:
3063 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
3064 return tls1_set_sigalgs_list(NULL
, parg
, 0);
3071 case SSL_CTRL_GET_READ_AHEAD
:
3072 return ctx
->read_ahead
;
3073 case SSL_CTRL_SET_READ_AHEAD
:
3074 l
= ctx
->read_ahead
;
3075 ctx
->read_ahead
= larg
;
3078 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
3079 ctx
->msg_callback_arg
= parg
;
3082 case SSL_CTRL_GET_MAX_CERT_LIST
:
3083 return (long)ctx
->max_cert_list
;
3084 case SSL_CTRL_SET_MAX_CERT_LIST
:
3087 l
= (long)ctx
->max_cert_list
;
3088 ctx
->max_cert_list
= (size_t)larg
;
3091 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
3094 l
= (long)ctx
->session_cache_size
;
3095 ctx
->session_cache_size
= (size_t)larg
;
3097 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
3098 return (long)ctx
->session_cache_size
;
3099 case SSL_CTRL_SET_SESS_CACHE_MODE
:
3100 l
= ctx
->session_cache_mode
;
3101 ctx
->session_cache_mode
= larg
;
3103 case SSL_CTRL_GET_SESS_CACHE_MODE
:
3104 return ctx
->session_cache_mode
;
3106 case SSL_CTRL_SESS_NUMBER
:
3107 return lh_SSL_SESSION_num_items(ctx
->sessions
);
3108 case SSL_CTRL_SESS_CONNECT
:
3109 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect
);
3110 case SSL_CTRL_SESS_CONNECT_GOOD
:
3111 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_good
);
3112 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
3113 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_renegotiate
);
3114 case SSL_CTRL_SESS_ACCEPT
:
3115 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept
);
3116 case SSL_CTRL_SESS_ACCEPT_GOOD
:
3117 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_good
);
3118 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
3119 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_renegotiate
);
3120 case SSL_CTRL_SESS_HIT
:
3121 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_hit
);
3122 case SSL_CTRL_SESS_CB_HIT
:
3123 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cb_hit
);
3124 case SSL_CTRL_SESS_MISSES
:
3125 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_miss
);
3126 case SSL_CTRL_SESS_TIMEOUTS
:
3127 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_timeout
);
3128 case SSL_CTRL_SESS_CACHE_FULL
:
3129 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cache_full
);
3131 return (ctx
->mode
|= larg
);
3132 case SSL_CTRL_CLEAR_MODE
:
3133 return (ctx
->mode
&= ~larg
);
3134 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
3135 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
3137 ctx
->max_send_fragment
= larg
;
3138 if (ctx
->max_send_fragment
< ctx
->split_send_fragment
)
3139 ctx
->split_send_fragment
= ctx
->max_send_fragment
;
3141 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
3142 if ((size_t)larg
> ctx
->max_send_fragment
|| larg
== 0)
3144 ctx
->split_send_fragment
= larg
;
3146 case SSL_CTRL_SET_MAX_PIPELINES
:
3147 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
3149 ctx
->max_pipelines
= larg
;
3151 case SSL_CTRL_CERT_FLAGS
:
3152 return (ctx
->cert
->cert_flags
|= larg
);
3153 case SSL_CTRL_CLEAR_CERT_FLAGS
:
3154 return (ctx
->cert
->cert_flags
&= ~larg
);
3155 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
3156 return ssl_check_allowed_versions(larg
, ctx
->max_proto_version
)
3157 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3158 &ctx
->min_proto_version
);
3159 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
3160 return ctx
->min_proto_version
;
3161 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
3162 return ssl_check_allowed_versions(ctx
->min_proto_version
, larg
)
3163 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3164 &ctx
->max_proto_version
);
3165 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
3166 return ctx
->max_proto_version
;
3168 return ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
);
3172 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
3175 case SSL_CTRL_SET_MSG_CALLBACK
:
3176 ctx
->msg_callback
= (void (*)
3177 (int write_p
, int version
, int content_type
,
3178 const void *buf
, size_t len
, SSL
*ssl
,
3183 return ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
);
3187 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
3196 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
3197 const SSL_CIPHER
*const *bp
)
3199 if ((*ap
)->id
> (*bp
)->id
)
3201 if ((*ap
)->id
< (*bp
)->id
)
3207 * return a STACK of the ciphers available for the SSL and in order of
3210 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
3212 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3215 if (sc
->cipher_list
!= NULL
) {
3216 return sc
->cipher_list
;
3217 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
3218 return s
->ctx
->cipher_list
;
3224 STACK_OF(SSL_CIPHER
) *SSL_get_client_ciphers(const SSL
*s
)
3226 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3228 if (sc
== NULL
|| !sc
->server
)
3230 return sc
->peer_ciphers
;
3233 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
3235 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
3237 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3242 ciphers
= SSL_get_ciphers(s
);
3245 if (!ssl_set_client_disabled(sc
))
3247 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
3248 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
3249 if (!ssl_cipher_disabled(sc
, c
, SSL_SECOP_CIPHER_SUPPORTED
, 0)) {
3251 sk
= sk_SSL_CIPHER_new_null();
3254 if (!sk_SSL_CIPHER_push(sk
, c
)) {
3255 sk_SSL_CIPHER_free(sk
);
3263 /** return a STACK of the ciphers available for the SSL and in order of
3265 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL_CONNECTION
*s
)
3268 if (s
->cipher_list_by_id
!= NULL
)
3269 return s
->cipher_list_by_id
;
3270 else if (s
->ssl
.ctx
!= NULL
3271 && s
->ssl
.ctx
->cipher_list_by_id
!= NULL
)
3272 return s
->ssl
.ctx
->cipher_list_by_id
;
3277 /** The old interface to get the same thing as SSL_get_ciphers() */
3278 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
3280 const SSL_CIPHER
*c
;
3281 STACK_OF(SSL_CIPHER
) *sk
;
3285 sk
= SSL_get_ciphers(s
);
3286 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
3288 c
= sk_SSL_CIPHER_value(sk
, n
);
3294 /** return a STACK of the ciphers available for the SSL_CTX and in order of
3296 STACK_OF(SSL_CIPHER
) *SSL_CTX_get_ciphers(const SSL_CTX
*ctx
)
3299 return ctx
->cipher_list
;
3304 * Distinguish between ciphers controlled by set_ciphersuite() and
3305 * set_cipher_list() when counting.
3307 static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER
) *sk
)
3310 const SSL_CIPHER
*c
;
3314 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); ++i
) {
3315 c
= sk_SSL_CIPHER_value(sk
, i
);
3316 if (c
->min_tls
>= TLS1_3_VERSION
)
3323 /** specify the ciphers to be used by default by the SSL_CTX */
3324 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
3326 STACK_OF(SSL_CIPHER
) *sk
;
3328 sk
= ssl_create_cipher_list(ctx
, ctx
->tls13_ciphersuites
,
3329 &ctx
->cipher_list
, &ctx
->cipher_list_by_id
, str
,
3332 * ssl_create_cipher_list may return an empty stack if it was unable to
3333 * find a cipher matching the given rule string (for example if the rule
3334 * string specifies a cipher which has been disabled). This is not an
3335 * error as far as ssl_create_cipher_list is concerned, and hence
3336 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
3340 else if (cipher_list_tls12_num(sk
) == 0) {
3341 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3347 /** specify the ciphers to be used by the SSL */
3348 int SSL_set_cipher_list(SSL
*s
, const char *str
)
3350 STACK_OF(SSL_CIPHER
) *sk
;
3351 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3356 sk
= ssl_create_cipher_list(s
->ctx
, sc
->tls13_ciphersuites
,
3357 &sc
->cipher_list
, &sc
->cipher_list_by_id
, str
,
3359 /* see comment in SSL_CTX_set_cipher_list */
3362 else if (cipher_list_tls12_num(sk
) == 0) {
3363 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3369 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int size
)
3372 STACK_OF(SSL_CIPHER
) *clntsk
, *srvrsk
;
3373 const SSL_CIPHER
*c
;
3375 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3381 || sc
->peer_ciphers
== NULL
3386 clntsk
= sc
->peer_ciphers
;
3387 srvrsk
= SSL_get_ciphers(s
);
3388 if (clntsk
== NULL
|| srvrsk
== NULL
)
3391 if (sk_SSL_CIPHER_num(clntsk
) == 0 || sk_SSL_CIPHER_num(srvrsk
) == 0)
3394 for (i
= 0; i
< sk_SSL_CIPHER_num(clntsk
); i
++) {
3397 c
= sk_SSL_CIPHER_value(clntsk
, i
);
3398 if (sk_SSL_CIPHER_find(srvrsk
, c
) < 0)
3401 n
= OPENSSL_strnlen(c
->name
, size
);
3408 memcpy(p
, c
->name
, n
);
3418 * Return the requested servername (SNI) value. Note that the behaviour varies
3420 * - whether this is called by the client or the server,
3421 * - if we are before or during/after the handshake,
3422 * - if a resumption or normal handshake is being attempted/has occurred
3423 * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3
3425 * Note that only the host_name type is defined (RFC 3546).
3427 const char *SSL_get_servername(const SSL
*s
, const int type
)
3429 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3436 * If we don't know if we are the client or the server yet then we assume
3439 server
= sc
->handshake_func
== NULL
? 0 : sc
->server
;
3441 if (type
!= TLSEXT_NAMETYPE_host_name
)
3447 * In TLSv1.3 on the server SNI is not associated with the session
3448 * but in TLSv1.2 or below it is.
3450 * Before the handshake:
3453 * During/after the handshake (TLSv1.2 or below resumption occurred):
3454 * - If a servername was accepted by the server in the original
3455 * handshake then it will return that servername, or NULL otherwise.
3457 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3458 * - The function will return the servername requested by the client in
3459 * this handshake or NULL if none was requested.
3461 if (sc
->hit
&& !SSL_CONNECTION_IS_TLS13(sc
))
3462 return sc
->session
->ext
.hostname
;
3467 * Before the handshake:
3468 * - If a servername has been set via a call to
3469 * SSL_set_tlsext_host_name() then it will return that servername
3470 * - If one has not been set, but a TLSv1.2 resumption is being
3471 * attempted and the session from the original handshake had a
3472 * servername accepted by the server then it will return that
3474 * - Otherwise it returns NULL
3476 * During/after the handshake (TLSv1.2 or below resumption occurred):
3477 * - If the session from the original handshake had a servername accepted
3478 * by the server then it will return that servername.
3479 * - Otherwise it returns the servername set via
3480 * SSL_set_tlsext_host_name() (or NULL if it was not called).
3482 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3483 * - It will return the servername set via SSL_set_tlsext_host_name()
3484 * (or NULL if it was not called).
3486 if (SSL_in_before(s
)) {
3487 if (sc
->ext
.hostname
== NULL
3488 && sc
->session
!= NULL
3489 && sc
->session
->ssl_version
!= TLS1_3_VERSION
)
3490 return sc
->session
->ext
.hostname
;
3492 if (!SSL_CONNECTION_IS_TLS13(sc
) && sc
->hit
3493 && sc
->session
->ext
.hostname
!= NULL
)
3494 return sc
->session
->ext
.hostname
;
3498 return sc
->ext
.hostname
;
3501 int SSL_get_servername_type(const SSL
*s
)
3503 if (SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
) != NULL
)
3504 return TLSEXT_NAMETYPE_host_name
;
3509 * SSL_select_next_proto implements the standard protocol selection. It is
3510 * expected that this function is called from the callback set by
3511 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
3512 * vector of 8-bit, length prefixed byte strings. The length byte itself is
3513 * not included in the length. A byte string of length 0 is invalid. No byte
3514 * string may be truncated. The current, but experimental algorithm for
3515 * selecting the protocol is: 1) If the server doesn't support NPN then this
3516 * is indicated to the callback. In this case, the client application has to
3517 * abort the connection or have a default application level protocol. 2) If
3518 * the server supports NPN, but advertises an empty list then the client
3519 * selects the first protocol in its list, but indicates via the API that this
3520 * fallback case was enacted. 3) Otherwise, the client finds the first
3521 * protocol in the server's list that it supports and selects this protocol.
3522 * This is because it's assumed that the server has better information about
3523 * which protocol a client should use. 4) If the client doesn't support any
3524 * of the server's advertised protocols, then this is treated the same as
3525 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
3526 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
3528 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
3529 const unsigned char *server
,
3530 unsigned int server_len
,
3531 const unsigned char *client
, unsigned int client_len
)
3534 const unsigned char *result
;
3535 int status
= OPENSSL_NPN_UNSUPPORTED
;
3538 * For each protocol in server preference order, see if we support it.
3540 for (i
= 0; i
< server_len
;) {
3541 for (j
= 0; j
< client_len
;) {
3542 if (server
[i
] == client
[j
] &&
3543 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
3544 /* We found a match */
3545 result
= &server
[i
];
3546 status
= OPENSSL_NPN_NEGOTIATED
;
3556 /* There's no overlap between our protocols and the server's list. */
3558 status
= OPENSSL_NPN_NO_OVERLAP
;
3561 *out
= (unsigned char *)result
+ 1;
3562 *outlen
= result
[0];
3566 #ifndef OPENSSL_NO_NEXTPROTONEG
3568 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
3569 * client's requested protocol for this connection and returns 0. If the
3570 * client didn't request any protocol, then *data is set to NULL. Note that
3571 * the client can request any protocol it chooses. The value returned from
3572 * this function need not be a member of the list of supported protocols
3573 * provided by the callback.
3575 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
3578 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3581 /* We have no other way to indicate error */
3587 *data
= sc
->ext
.npn
;
3588 if (*data
== NULL
) {
3591 *len
= (unsigned int)sc
->ext
.npn_len
;
3596 * SSL_CTX_set_npn_advertised_cb sets a callback that is called when
3597 * a TLS server needs a list of supported protocols for Next Protocol
3598 * Negotiation. The returned list must be in wire format. The list is
3599 * returned by setting |out| to point to it and |outlen| to its length. This
3600 * memory will not be modified, but one should assume that the SSL* keeps a
3601 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
3602 * wishes to advertise. Otherwise, no such extension will be included in the
3605 void SSL_CTX_set_npn_advertised_cb(SSL_CTX
*ctx
,
3606 SSL_CTX_npn_advertised_cb_func cb
,
3609 if (IS_QUIC_CTX(ctx
))
3610 /* NPN not allowed for QUIC */
3613 ctx
->ext
.npn_advertised_cb
= cb
;
3614 ctx
->ext
.npn_advertised_cb_arg
= arg
;
3618 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
3619 * client needs to select a protocol from the server's provided list. |out|
3620 * must be set to point to the selected protocol (which may be within |in|).
3621 * The length of the protocol name must be written into |outlen|. The
3622 * server's advertised protocols are provided in |in| and |inlen|. The
3623 * callback can assume that |in| is syntactically valid. The client must
3624 * select a protocol. It is fatal to the connection if this callback returns
3625 * a value other than SSL_TLSEXT_ERR_OK.
3627 void SSL_CTX_set_npn_select_cb(SSL_CTX
*ctx
,
3628 SSL_CTX_npn_select_cb_func cb
,
3631 if (IS_QUIC_CTX(ctx
))
3632 /* NPN not allowed for QUIC */
3635 ctx
->ext
.npn_select_cb
= cb
;
3636 ctx
->ext
.npn_select_cb_arg
= arg
;
3640 static int alpn_value_ok(const unsigned char *protos
, unsigned int protos_len
)
3644 if (protos_len
< 2 || protos
== NULL
)
3647 for (idx
= 0; idx
< protos_len
; idx
+= protos
[idx
] + 1) {
3648 if (protos
[idx
] == 0)
3651 return idx
== protos_len
;
3654 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
3655 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3656 * length-prefixed strings). Returns 0 on success.
3658 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
3659 unsigned int protos_len
)
3661 unsigned char *alpn
;
3663 if (protos_len
== 0 || protos
== NULL
) {
3664 OPENSSL_free(ctx
->ext
.alpn
);
3665 ctx
->ext
.alpn
= NULL
;
3666 ctx
->ext
.alpn_len
= 0;
3669 /* Not valid per RFC */
3670 if (!alpn_value_ok(protos
, protos_len
))
3673 alpn
= OPENSSL_memdup(protos
, protos_len
);
3676 OPENSSL_free(ctx
->ext
.alpn
);
3677 ctx
->ext
.alpn
= alpn
;
3678 ctx
->ext
.alpn_len
= protos_len
;
3684 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
3685 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3686 * length-prefixed strings). Returns 0 on success.
3688 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
3689 unsigned int protos_len
)
3691 unsigned char *alpn
;
3692 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
3697 if (protos_len
== 0 || protos
== NULL
) {
3698 OPENSSL_free(sc
->ext
.alpn
);
3699 sc
->ext
.alpn
= NULL
;
3700 sc
->ext
.alpn_len
= 0;
3703 /* Not valid per RFC */
3704 if (!alpn_value_ok(protos
, protos_len
))
3707 alpn
= OPENSSL_memdup(protos
, protos_len
);
3710 OPENSSL_free(sc
->ext
.alpn
);
3711 sc
->ext
.alpn
= alpn
;
3712 sc
->ext
.alpn_len
= protos_len
;
3718 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
3719 * called during ClientHello processing in order to select an ALPN protocol
3720 * from the client's list of offered protocols.
3722 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
3723 SSL_CTX_alpn_select_cb_func cb
,
3726 ctx
->ext
.alpn_select_cb
= cb
;
3727 ctx
->ext
.alpn_select_cb_arg
= arg
;
3731 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
3732 * On return it sets |*data| to point to |*len| bytes of protocol name
3733 * (not including the leading length-prefix byte). If the server didn't
3734 * respond with a negotiated protocol then |*len| will be zero.
3736 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
3739 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
3742 /* We have no other way to indicate error */
3748 *data
= sc
->s3
.alpn_selected
;
3752 *len
= (unsigned int)sc
->s3
.alpn_selected_len
;
3755 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
3756 const char *label
, size_t llen
,
3757 const unsigned char *context
, size_t contextlen
,
3760 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3765 if (sc
->session
== NULL
3766 || (sc
->version
< TLS1_VERSION
&& sc
->version
!= DTLS1_BAD_VER
))
3769 return sc
->ssl
.method
->ssl3_enc
->export_keying_material(sc
, out
, olen
, label
,
3775 int SSL_export_keying_material_early(SSL
*s
, unsigned char *out
, size_t olen
,
3776 const char *label
, size_t llen
,
3777 const unsigned char *context
,
3780 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3785 if (sc
->version
!= TLS1_3_VERSION
)
3788 return tls13_export_keying_material_early(sc
, out
, olen
, label
, llen
,
3789 context
, contextlen
);
3792 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
3794 const unsigned char *session_id
= a
->session_id
;
3796 unsigned char tmp_storage
[4];
3798 if (a
->session_id_length
< sizeof(tmp_storage
)) {
3799 memset(tmp_storage
, 0, sizeof(tmp_storage
));
3800 memcpy(tmp_storage
, a
->session_id
, a
->session_id_length
);
3801 session_id
= tmp_storage
;
3805 ((unsigned long)session_id
[0]) |
3806 ((unsigned long)session_id
[1] << 8L) |
3807 ((unsigned long)session_id
[2] << 16L) |
3808 ((unsigned long)session_id
[3] << 24L);
3813 * NB: If this function (or indeed the hash function which uses a sort of
3814 * coarser function than this one) is changed, ensure
3815 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
3816 * being able to construct an SSL_SESSION that will collide with any existing
3817 * session with a matching session ID.
3819 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
3821 if (a
->ssl_version
!= b
->ssl_version
)
3823 if (a
->session_id_length
!= b
->session_id_length
)
3825 return memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
);
3829 * These wrapper functions should remain rather than redeclaring
3830 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
3831 * variable. The reason is that the functions aren't static, they're exposed
3835 SSL_CTX
*SSL_CTX_new_ex(OSSL_LIB_CTX
*libctx
, const char *propq
,
3836 const SSL_METHOD
*meth
)
3838 SSL_CTX
*ret
= NULL
;
3839 #ifndef OPENSSL_NO_COMP_ALG
3844 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_METHOD_PASSED
);
3848 if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
, NULL
))
3851 /* Doing this for the run once effect */
3852 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
3853 ERR_raise(ERR_LIB_SSL
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
3857 ret
= OPENSSL_zalloc(sizeof(*ret
));
3861 /* Init the reference counting before any call to SSL_CTX_free */
3862 if (!CRYPTO_NEW_REF(&ret
->references
, 1)) {
3867 ret
->lock
= CRYPTO_THREAD_lock_new();
3868 if (ret
->lock
== NULL
) {
3869 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3873 #ifdef TSAN_REQUIRES_LOCKING
3874 ret
->tsan_lock
= CRYPTO_THREAD_lock_new();
3875 if (ret
->tsan_lock
== NULL
) {
3876 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3881 ret
->libctx
= libctx
;
3882 if (propq
!= NULL
) {
3883 ret
->propq
= OPENSSL_strdup(propq
);
3884 if (ret
->propq
== NULL
)
3889 ret
->min_proto_version
= 0;
3890 ret
->max_proto_version
= 0;
3891 ret
->mode
= SSL_MODE_AUTO_RETRY
;
3892 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
3893 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
3894 /* We take the system default. */
3895 ret
->session_timeout
= meth
->get_timeout();
3896 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
3897 ret
->verify_mode
= SSL_VERIFY_NONE
;
3899 ret
->sessions
= lh_SSL_SESSION_new(ssl_session_hash
, ssl_session_cmp
);
3900 if (ret
->sessions
== NULL
) {
3901 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3904 ret
->cert_store
= X509_STORE_new();
3905 if (ret
->cert_store
== NULL
) {
3906 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3909 #ifndef OPENSSL_NO_CT
3910 ret
->ctlog_store
= CTLOG_STORE_new_ex(libctx
, propq
);
3911 if (ret
->ctlog_store
== NULL
) {
3912 ERR_raise(ERR_LIB_SSL
, ERR_R_CT_LIB
);
3917 /* initialize cipher/digest methods table */
3918 if (!ssl_load_ciphers(ret
)) {
3919 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3923 if (!ssl_load_groups(ret
)) {
3924 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3928 /* load provider sigalgs */
3929 if (!ssl_load_sigalgs(ret
)) {
3930 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3934 /* initialise sig algs */
3935 if (!ssl_setup_sigalgs(ret
)) {
3936 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3940 if (!SSL_CTX_set_ciphersuites(ret
, OSSL_default_ciphersuites())) {
3941 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3945 if ((ret
->cert
= ssl_cert_new(SSL_PKEY_NUM
+ ret
->sigalg_list_len
)) == NULL
) {
3946 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3950 if (!ssl_create_cipher_list(ret
,
3951 ret
->tls13_ciphersuites
,
3952 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
3953 OSSL_default_cipher_list(), ret
->cert
)
3954 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
3955 ERR_raise(ERR_LIB_SSL
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
3959 ret
->param
= X509_VERIFY_PARAM_new();
3960 if (ret
->param
== NULL
) {
3961 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3966 * If these aren't available from the provider we'll get NULL returns.
3967 * That's fine but will cause errors later if SSLv3 is negotiated
3969 ret
->md5
= ssl_evp_md_fetch(libctx
, NID_md5
, propq
);
3970 ret
->sha1
= ssl_evp_md_fetch(libctx
, NID_sha1
, propq
);
3972 if ((ret
->ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3973 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3977 if ((ret
->client_ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3978 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3982 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
)) {
3983 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3987 if ((ret
->ext
.secure
= OPENSSL_secure_zalloc(sizeof(*ret
->ext
.secure
))) == NULL
)
3990 /* No compression for DTLS */
3991 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
3992 ret
->comp_methods
= SSL_COMP_get_compression_methods();
3994 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3995 ret
->split_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3997 /* Setup RFC5077 ticket keys */
3998 if ((RAND_bytes_ex(libctx
, ret
->ext
.tick_key_name
,
3999 sizeof(ret
->ext
.tick_key_name
), 0) <= 0)
4000 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_hmac_key
,
4001 sizeof(ret
->ext
.secure
->tick_hmac_key
), 0) <= 0)
4002 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_aes_key
,
4003 sizeof(ret
->ext
.secure
->tick_aes_key
), 0) <= 0))
4004 ret
->options
|= SSL_OP_NO_TICKET
;
4006 if (RAND_priv_bytes_ex(libctx
, ret
->ext
.cookie_hmac_key
,
4007 sizeof(ret
->ext
.cookie_hmac_key
), 0) <= 0) {
4008 ERR_raise(ERR_LIB_SSL
, ERR_R_RAND_LIB
);
4012 #ifndef OPENSSL_NO_SRP
4013 if (!ssl_ctx_srp_ctx_init_intern(ret
)) {
4014 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
4018 #ifndef OPENSSL_NO_ENGINE
4019 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
4020 # define eng_strx(x) #x
4021 # define eng_str(x) eng_strx(x)
4022 /* Use specific client engine automatically... ignore errors */
4025 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
4028 ENGINE_load_builtin_engines();
4029 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
4031 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
4037 #ifndef OPENSSL_NO_COMP_ALG
4039 * Set the default order: brotli, zlib, zstd
4040 * Including only those enabled algorithms
4042 memset(ret
->cert_comp_prefs
, 0, sizeof(ret
->cert_comp_prefs
));
4044 if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli
))
4045 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_brotli
;
4046 if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib
))
4047 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zlib
;
4048 if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd
))
4049 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zstd
;
4052 * Disable compression by default to prevent CRIME. Applications can
4053 * re-enable compression by configuring
4054 * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION);
4055 * or by using the SSL_CONF library. Similarly we also enable TLSv1.3
4056 * middlebox compatibility by default. This may be disabled by default in
4057 * a later OpenSSL version.
4059 ret
->options
|= SSL_OP_NO_COMPRESSION
| SSL_OP_ENABLE_MIDDLEBOX_COMPAT
;
4061 ret
->ext
.status_type
= TLSEXT_STATUSTYPE_nothing
;
4064 * We cannot usefully set a default max_early_data here (which gets
4065 * propagated in SSL_new(), for the following reason: setting the
4066 * SSL field causes tls_construct_stoc_early_data() to tell the
4067 * client that early data will be accepted when constructing a TLS 1.3
4068 * session ticket, and the client will accordingly send us early data
4069 * when using that ticket (if the client has early data to send).
4070 * However, in order for the early data to actually be consumed by
4071 * the application, the application must also have calls to
4072 * SSL_read_early_data(); otherwise we'll just skip past the early data
4073 * and ignore it. So, since the application must add calls to
4074 * SSL_read_early_data(), we also require them to add
4075 * calls to SSL_CTX_set_max_early_data() in order to use early data,
4076 * eliminating the bandwidth-wasting early data in the case described
4079 ret
->max_early_data
= 0;
4082 * Default recv_max_early_data is a fully loaded single record. Could be
4083 * split across multiple records in practice. We set this differently to
4084 * max_early_data so that, in the default case, we do not advertise any
4085 * support for early_data, but if a client were to send us some (e.g.
4086 * because of an old, stale ticket) then we will tolerate it and skip over
4089 ret
->recv_max_early_data
= SSL3_RT_MAX_PLAIN_LENGTH
;
4091 /* By default we send two session tickets automatically in TLSv1.3 */
4092 ret
->num_tickets
= 2;
4094 ssl_ctx_system_config(ret
);
4102 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
4104 return SSL_CTX_new_ex(NULL
, NULL
, meth
);
4107 int SSL_CTX_up_ref(SSL_CTX
*ctx
)
4111 if (CRYPTO_UP_REF(&ctx
->references
, &i
) <= 0)
4114 REF_PRINT_COUNT("SSL_CTX", ctx
);
4115 REF_ASSERT_ISNT(i
< 2);
4116 return ((i
> 1) ? 1 : 0);
4119 void SSL_CTX_free(SSL_CTX
*a
)
4127 CRYPTO_DOWN_REF(&a
->references
, &i
);
4128 REF_PRINT_COUNT("SSL_CTX", a
);
4131 REF_ASSERT_ISNT(i
< 0);
4133 X509_VERIFY_PARAM_free(a
->param
);
4134 dane_ctx_final(&a
->dane
);
4137 * Free internal session cache. However: the remove_cb() may reference
4138 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
4139 * after the sessions were flushed.
4140 * As the ex_data handling routines might also touch the session cache,
4141 * the most secure solution seems to be: empty (flush) the cache, then
4142 * free ex_data, then finally free the cache.
4143 * (See ticket [openssl.org #212].)
4145 if (a
->sessions
!= NULL
)
4146 SSL_CTX_flush_sessions(a
, 0);
4148 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
4149 lh_SSL_SESSION_free(a
->sessions
);
4150 X509_STORE_free(a
->cert_store
);
4151 #ifndef OPENSSL_NO_CT
4152 CTLOG_STORE_free(a
->ctlog_store
);
4154 sk_SSL_CIPHER_free(a
->cipher_list
);
4155 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
4156 sk_SSL_CIPHER_free(a
->tls13_ciphersuites
);
4157 ssl_cert_free(a
->cert
);
4158 sk_X509_NAME_pop_free(a
->ca_names
, X509_NAME_free
);
4159 sk_X509_NAME_pop_free(a
->client_ca_names
, X509_NAME_free
);
4160 OSSL_STACK_OF_X509_free(a
->extra_certs
);
4161 a
->comp_methods
= NULL
;
4162 #ifndef OPENSSL_NO_SRTP
4163 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
4165 #ifndef OPENSSL_NO_SRP
4166 ssl_ctx_srp_ctx_free_intern(a
);
4168 #ifndef OPENSSL_NO_ENGINE
4169 tls_engine_finish(a
->client_cert_engine
);
4172 OPENSSL_free(a
->ext
.ecpointformats
);
4173 OPENSSL_free(a
->ext
.supportedgroups
);
4174 OPENSSL_free(a
->ext
.supported_groups_default
);
4175 OPENSSL_free(a
->ext
.alpn
);
4176 OPENSSL_secure_free(a
->ext
.secure
);
4178 ssl_evp_md_free(a
->md5
);
4179 ssl_evp_md_free(a
->sha1
);
4181 for (j
= 0; j
< SSL_ENC_NUM_IDX
; j
++)
4182 ssl_evp_cipher_free(a
->ssl_cipher_methods
[j
]);
4183 for (j
= 0; j
< SSL_MD_NUM_IDX
; j
++)
4184 ssl_evp_md_free(a
->ssl_digest_methods
[j
]);
4185 for (j
= 0; j
< a
->group_list_len
; j
++) {
4186 OPENSSL_free(a
->group_list
[j
].tlsname
);
4187 OPENSSL_free(a
->group_list
[j
].realname
);
4188 OPENSSL_free(a
->group_list
[j
].algorithm
);
4190 OPENSSL_free(a
->group_list
);
4191 for (j
= 0; j
< a
->sigalg_list_len
; j
++) {
4192 OPENSSL_free(a
->sigalg_list
[j
].name
);
4193 OPENSSL_free(a
->sigalg_list
[j
].sigalg_name
);
4194 OPENSSL_free(a
->sigalg_list
[j
].sigalg_oid
);
4195 OPENSSL_free(a
->sigalg_list
[j
].sig_name
);
4196 OPENSSL_free(a
->sigalg_list
[j
].sig_oid
);
4197 OPENSSL_free(a
->sigalg_list
[j
].hash_name
);
4198 OPENSSL_free(a
->sigalg_list
[j
].hash_oid
);
4199 OPENSSL_free(a
->sigalg_list
[j
].keytype
);
4200 OPENSSL_free(a
->sigalg_list
[j
].keytype_oid
);
4202 OPENSSL_free(a
->sigalg_list
);
4203 OPENSSL_free(a
->ssl_cert_info
);
4205 OPENSSL_free(a
->sigalg_lookup_cache
);
4206 OPENSSL_free(a
->tls12_sigalgs
);
4208 OPENSSL_free(a
->client_cert_type
);
4209 OPENSSL_free(a
->server_cert_type
);
4211 CRYPTO_THREAD_lock_free(a
->lock
);
4212 CRYPTO_FREE_REF(&a
->references
);
4213 #ifdef TSAN_REQUIRES_LOCKING
4214 CRYPTO_THREAD_lock_free(a
->tsan_lock
);
4217 OPENSSL_free(a
->propq
);
4218 #ifndef OPENSSL_NO_QLOG
4219 OPENSSL_free(a
->qlog_title
);
4225 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
4227 ctx
->default_passwd_callback
= cb
;
4230 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
4232 ctx
->default_passwd_callback_userdata
= u
;
4235 pem_password_cb
*SSL_CTX_get_default_passwd_cb(SSL_CTX
*ctx
)
4237 return ctx
->default_passwd_callback
;
4240 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX
*ctx
)
4242 return ctx
->default_passwd_callback_userdata
;
4245 void SSL_set_default_passwd_cb(SSL
*s
, pem_password_cb
*cb
)
4247 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4252 sc
->default_passwd_callback
= cb
;
4255 void SSL_set_default_passwd_cb_userdata(SSL
*s
, void *u
)
4257 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4262 sc
->default_passwd_callback_userdata
= u
;
4265 pem_password_cb
*SSL_get_default_passwd_cb(SSL
*s
)
4267 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4272 return sc
->default_passwd_callback
;
4275 void *SSL_get_default_passwd_cb_userdata(SSL
*s
)
4277 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4282 return sc
->default_passwd_callback_userdata
;
4285 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
4286 int (*cb
) (X509_STORE_CTX
*, void *),
4289 ctx
->app_verify_callback
= cb
;
4290 ctx
->app_verify_arg
= arg
;
4293 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
4294 int (*cb
) (int, X509_STORE_CTX
*))
4296 ctx
->verify_mode
= mode
;
4297 ctx
->default_verify_callback
= cb
;
4300 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
4302 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
4305 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4307 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
4310 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4312 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4317 ssl_cert_set_cert_cb(sc
->cert
, cb
, arg
);
4320 void ssl_set_masks(SSL_CONNECTION
*s
)
4323 uint32_t *pvalid
= s
->s3
.tmp
.valid_flags
;
4324 int rsa_enc
, rsa_sign
, dh_tmp
, dsa_sign
;
4325 unsigned long mask_k
, mask_a
;
4326 int have_ecc_cert
, ecdsa_ok
;
4331 dh_tmp
= (c
->dh_tmp
!= NULL
4332 || c
->dh_tmp_cb
!= NULL
4335 rsa_enc
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4336 rsa_sign
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4337 dsa_sign
= pvalid
[SSL_PKEY_DSA_SIGN
] & CERT_PKEY_VALID
;
4338 have_ecc_cert
= pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_VALID
;
4342 OSSL_TRACE4(TLS_CIPHER
, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n",
4343 dh_tmp
, rsa_enc
, rsa_sign
, dsa_sign
);
4345 #ifndef OPENSSL_NO_GOST
4346 if (ssl_has_cert(s
, SSL_PKEY_GOST12_512
)) {
4347 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4348 mask_a
|= SSL_aGOST12
;
4350 if (ssl_has_cert(s
, SSL_PKEY_GOST12_256
)) {
4351 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4352 mask_a
|= SSL_aGOST12
;
4354 if (ssl_has_cert(s
, SSL_PKEY_GOST01
)) {
4355 mask_k
|= SSL_kGOST
;
4356 mask_a
|= SSL_aGOST01
;
4367 * If we only have an RSA-PSS certificate allow RSA authentication
4368 * if TLS 1.2 and peer supports it.
4371 if (rsa_enc
|| rsa_sign
|| (ssl_has_cert(s
, SSL_PKEY_RSA_PSS_SIGN
)
4372 && pvalid
[SSL_PKEY_RSA_PSS_SIGN
] & CERT_PKEY_EXPLICIT_SIGN
4373 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
))
4380 mask_a
|= SSL_aNULL
;
4383 * You can do anything with an RPK key, since there's no cert to restrict it
4384 * But we need to check for private keys
4386 if (pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_RPK
) {
4390 if (pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_RPK
)
4391 mask_a
|= SSL_aECDSA
;
4392 if (TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
) {
4393 if (pvalid
[SSL_PKEY_RSA_PSS_SIGN
] & CERT_PKEY_RPK
)
4395 if (pvalid
[SSL_PKEY_ED25519
] & CERT_PKEY_RPK
4396 || pvalid
[SSL_PKEY_ED448
] & CERT_PKEY_RPK
)
4397 mask_a
|= SSL_aECDSA
;
4401 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
4402 * depending on the key usage extension.
4404 if (have_ecc_cert
) {
4406 ex_kusage
= X509_get_key_usage(c
->pkeys
[SSL_PKEY_ECC
].x509
);
4407 ecdsa_ok
= ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
;
4408 if (!(pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_SIGN
))
4411 mask_a
|= SSL_aECDSA
;
4413 /* Allow Ed25519 for TLS 1.2 if peer supports it */
4414 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED25519
)
4415 && pvalid
[SSL_PKEY_ED25519
] & CERT_PKEY_EXPLICIT_SIGN
4416 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4417 mask_a
|= SSL_aECDSA
;
4419 /* Allow Ed448 for TLS 1.2 if peer supports it */
4420 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED448
)
4421 && pvalid
[SSL_PKEY_ED448
] & CERT_PKEY_EXPLICIT_SIGN
4422 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4423 mask_a
|= SSL_aECDSA
;
4425 mask_k
|= SSL_kECDHE
;
4427 #ifndef OPENSSL_NO_PSK
4430 if (mask_k
& SSL_kRSA
)
4431 mask_k
|= SSL_kRSAPSK
;
4432 if (mask_k
& SSL_kDHE
)
4433 mask_k
|= SSL_kDHEPSK
;
4434 if (mask_k
& SSL_kECDHE
)
4435 mask_k
|= SSL_kECDHEPSK
;
4438 s
->s3
.tmp
.mask_k
= mask_k
;
4439 s
->s3
.tmp
.mask_a
= mask_a
;
4442 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL_CONNECTION
*s
)
4444 if (s
->s3
.tmp
.new_cipher
->algorithm_auth
& SSL_aECDSA
) {
4445 /* key usage, if present, must allow signing */
4446 if (!(X509_get_key_usage(x
) & X509v3_KU_DIGITAL_SIGNATURE
)) {
4447 ERR_raise(ERR_LIB_SSL
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
4451 return 1; /* all checks are ok */
4454 int ssl_get_server_cert_serverinfo(SSL_CONNECTION
*s
,
4455 const unsigned char **serverinfo
,
4456 size_t *serverinfo_length
)
4458 CERT_PKEY
*cpk
= s
->s3
.tmp
.cert
;
4459 *serverinfo_length
= 0;
4461 if (cpk
== NULL
|| cpk
->serverinfo
== NULL
)
4464 *serverinfo
= cpk
->serverinfo
;
4465 *serverinfo_length
= cpk
->serverinfo_length
;
4469 void ssl_update_cache(SSL_CONNECTION
*s
, int mode
)
4474 * If the session_id_length is 0, we are not supposed to cache it, and it
4475 * would be rather hard to do anyway :-)
4477 if (s
->session
->session_id_length
== 0)
4481 * If sid_ctx_length is 0 there is no specific application context
4482 * associated with this session, so when we try to resume it and
4483 * SSL_VERIFY_PEER is requested to verify the client identity, we have no
4484 * indication that this is actually a session for the proper application
4485 * context, and the *handshake* will fail, not just the resumption attempt.
4486 * Do not cache (on the server) these sessions that are not resumable
4487 * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set).
4489 if (s
->server
&& s
->session
->sid_ctx_length
== 0
4490 && (s
->verify_mode
& SSL_VERIFY_PEER
) != 0)
4493 i
= s
->session_ctx
->session_cache_mode
;
4495 && (!s
->hit
|| SSL_CONNECTION_IS_TLS13(s
))) {
4497 * Add the session to the internal cache. In server side TLSv1.3 we
4498 * normally don't do this because by default it's a full stateless ticket
4499 * with only a dummy session id so there is no reason to cache it,
4501 * - we are doing early_data, in which case we cache so that we can
4503 * - the application has set a remove_session_cb so needs to know about
4504 * session timeout events
4505 * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket
4507 if ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
) == 0
4508 && (!SSL_CONNECTION_IS_TLS13(s
)
4510 || (s
->max_early_data
> 0
4511 && (s
->options
& SSL_OP_NO_ANTI_REPLAY
) == 0)
4512 || s
->session_ctx
->remove_session_cb
!= NULL
4513 || (s
->options
& SSL_OP_NO_TICKET
) != 0))
4514 SSL_CTX_add_session(s
->session_ctx
, s
->session
);
4517 * Add the session to the external cache. We do this even in server side
4518 * TLSv1.3 without early data because some applications just want to
4519 * know about the creation of a session and aren't doing a full cache.
4521 if (s
->session_ctx
->new_session_cb
!= NULL
) {
4522 SSL_SESSION_up_ref(s
->session
);
4523 if (!s
->session_ctx
->new_session_cb(SSL_CONNECTION_GET_SSL(s
),
4525 SSL_SESSION_free(s
->session
);
4529 /* auto flush every 255 connections */
4530 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
4531 TSAN_QUALIFIER
int *stat
;
4533 if (mode
& SSL_SESS_CACHE_CLIENT
)
4534 stat
= &s
->session_ctx
->stats
.sess_connect_good
;
4536 stat
= &s
->session_ctx
->stats
.sess_accept_good
;
4537 if ((ssl_tsan_load(s
->session_ctx
, stat
) & 0xff) == 0xff)
4538 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
4542 const SSL_METHOD
*SSL_CTX_get_ssl_method(const SSL_CTX
*ctx
)
4547 const SSL_METHOD
*SSL_get_ssl_method(const SSL
*s
)
4552 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
4555 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4557 /* Not allowed for QUIC */
4559 || (s
->type
!= SSL_TYPE_SSL_CONNECTION
&& s
->method
!= meth
)
4560 || (s
->type
== SSL_TYPE_SSL_CONNECTION
&& IS_QUIC_METHOD(meth
)))
4563 if (s
->method
!= meth
) {
4564 const SSL_METHOD
*sm
= s
->method
;
4565 int (*hf
) (SSL
*) = sc
->handshake_func
;
4567 if (sm
->version
== meth
->version
)
4572 ret
= s
->method
->ssl_init(s
);
4575 if (hf
== sm
->ssl_connect
)
4576 sc
->handshake_func
= meth
->ssl_connect
;
4577 else if (hf
== sm
->ssl_accept
)
4578 sc
->handshake_func
= meth
->ssl_accept
;
4583 int SSL_get_error(const SSL
*s
, int i
)
4585 return ossl_ssl_get_error(s
, i
, /*check_err=*/1);
4588 int ossl_ssl_get_error(const SSL
*s
, int i
, int check_err
)
4593 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4596 return SSL_ERROR_NONE
;
4598 #ifndef OPENSSL_NO_QUIC
4600 reason
= ossl_quic_get_error(s
, i
);
4601 if (reason
!= SSL_ERROR_NONE
)
4607 return SSL_ERROR_SSL
;
4610 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
4611 * where we do encode the error
4613 if (check_err
&& (l
= ERR_peek_error()) != 0) {
4614 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
4615 return SSL_ERROR_SYSCALL
;
4617 return SSL_ERROR_SSL
;
4620 #ifndef OPENSSL_NO_QUIC
4624 if (SSL_want_read(s
)) {
4625 bio
= SSL_get_rbio(s
);
4626 if (BIO_should_read(bio
))
4627 return SSL_ERROR_WANT_READ
;
4628 else if (BIO_should_write(bio
))
4630 * This one doesn't make too much sense ... We never try to
4631 * write to the rbio, and an application program where rbio and
4632 * wbio are separate couldn't even know what it should wait for.
4633 * However if we ever set s->rwstate incorrectly (so that we
4634 * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio
4635 * and wbio *are* the same, this test works around that bug; so
4636 * it might be safer to keep it.
4638 return SSL_ERROR_WANT_WRITE
;
4639 else if (BIO_should_io_special(bio
)) {
4640 reason
= BIO_get_retry_reason(bio
);
4641 if (reason
== BIO_RR_CONNECT
)
4642 return SSL_ERROR_WANT_CONNECT
;
4643 else if (reason
== BIO_RR_ACCEPT
)
4644 return SSL_ERROR_WANT_ACCEPT
;
4646 return SSL_ERROR_SYSCALL
; /* unknown */
4650 if (SSL_want_write(s
)) {
4652 * Access wbio directly - in order to use the buffered bio if
4656 if (BIO_should_write(bio
))
4657 return SSL_ERROR_WANT_WRITE
;
4658 else if (BIO_should_read(bio
))
4660 * See above (SSL_want_read(s) with BIO_should_write(bio))
4662 return SSL_ERROR_WANT_READ
;
4663 else if (BIO_should_io_special(bio
)) {
4664 reason
= BIO_get_retry_reason(bio
);
4665 if (reason
== BIO_RR_CONNECT
)
4666 return SSL_ERROR_WANT_CONNECT
;
4667 else if (reason
== BIO_RR_ACCEPT
)
4668 return SSL_ERROR_WANT_ACCEPT
;
4670 return SSL_ERROR_SYSCALL
;
4675 if (SSL_want_x509_lookup(s
))
4676 return SSL_ERROR_WANT_X509_LOOKUP
;
4677 if (SSL_want_retry_verify(s
))
4678 return SSL_ERROR_WANT_RETRY_VERIFY
;
4679 if (SSL_want_async(s
))
4680 return SSL_ERROR_WANT_ASYNC
;
4681 if (SSL_want_async_job(s
))
4682 return SSL_ERROR_WANT_ASYNC_JOB
;
4683 if (SSL_want_client_hello_cb(s
))
4684 return SSL_ERROR_WANT_CLIENT_HELLO_CB
;
4686 if ((sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
4687 (sc
->s3
.warn_alert
== SSL_AD_CLOSE_NOTIFY
))
4688 return SSL_ERROR_ZERO_RETURN
;
4690 return SSL_ERROR_SYSCALL
;
4693 static int ssl_do_handshake_intern(void *vargs
)
4695 struct ssl_async_args
*args
= (struct ssl_async_args
*)vargs
;
4697 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4702 return sc
->handshake_func(s
);
4705 int SSL_do_handshake(SSL
*s
)
4708 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4710 #ifndef OPENSSL_NO_QUIC
4712 return ossl_quic_do_handshake(s
);
4715 if (sc
->handshake_func
== NULL
) {
4716 ERR_raise(ERR_LIB_SSL
, SSL_R_CONNECTION_TYPE_NOT_SET
);
4720 ossl_statem_check_finish_init(sc
, -1);
4722 s
->method
->ssl_renegotiate_check(s
, 0);
4724 if (SSL_in_init(s
) || SSL_in_before(s
)) {
4725 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
4726 struct ssl_async_args args
;
4728 memset(&args
, 0, sizeof(args
));
4731 ret
= ssl_start_async_job(s
, &args
, ssl_do_handshake_intern
);
4733 ret
= sc
->handshake_func(s
);
4739 void SSL_set_accept_state(SSL
*s
)
4741 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4743 #ifndef OPENSSL_NO_QUIC
4745 ossl_quic_set_accept_state(s
);
4752 ossl_statem_clear(sc
);
4753 sc
->handshake_func
= s
->method
->ssl_accept
;
4754 /* Ignore return value. Its a void public API function */
4755 RECORD_LAYER_reset(&sc
->rlayer
);
4758 void SSL_set_connect_state(SSL
*s
)
4760 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4762 #ifndef OPENSSL_NO_QUIC
4764 ossl_quic_set_connect_state(s
);
4771 ossl_statem_clear(sc
);
4772 sc
->handshake_func
= s
->method
->ssl_connect
;
4773 /* Ignore return value. Its a void public API function */
4774 RECORD_LAYER_reset(&sc
->rlayer
);
4777 int ssl_undefined_function(SSL
*s
)
4779 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4783 int ssl_undefined_void_function(void)
4785 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4789 int ssl_undefined_const_function(const SSL
*s
)
4794 const char *ssl_protocol_to_string(int version
)
4798 case TLS1_3_VERSION
:
4801 case TLS1_2_VERSION
:
4804 case TLS1_1_VERSION
:
4819 case DTLS1_2_VERSION
:
4827 const char *SSL_get_version(const SSL
*s
)
4829 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4831 #ifndef OPENSSL_NO_QUIC
4832 /* We only support QUICv1 - so if its QUIC its QUICv1 */
4833 if (s
->type
== SSL_TYPE_QUIC_CONNECTION
|| s
->type
== SSL_TYPE_QUIC_XSO
)
4840 return ssl_protocol_to_string(sc
->version
);
4843 __owur
int SSL_get_handshake_rtt(const SSL
*s
, uint64_t *rtt
)
4845 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4849 if (sc
->ts_msg_write
.t
<= 0 || sc
->ts_msg_read
.t
<= 0)
4850 return 0; /* data not (yet) available */
4851 if (sc
->ts_msg_read
.t
< sc
->ts_msg_write
.t
)
4854 *rtt
= ossl_time2us(ossl_time_subtract(sc
->ts_msg_read
, sc
->ts_msg_write
));
4858 static int dup_ca_names(STACK_OF(X509_NAME
) **dst
, STACK_OF(X509_NAME
) *src
)
4860 STACK_OF(X509_NAME
) *sk
;
4869 if ((sk
= sk_X509_NAME_new_null()) == NULL
)
4871 for (i
= 0; i
< sk_X509_NAME_num(src
); i
++) {
4872 xn
= X509_NAME_dup(sk_X509_NAME_value(src
, i
));
4874 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4877 if (sk_X509_NAME_insert(sk
, xn
, i
) == 0) {
4879 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4888 SSL
*SSL_dup(SSL
*s
)
4892 /* TODO(QUIC FUTURE): Add a SSL_METHOD function for duplication */
4893 SSL_CONNECTION
*retsc
;
4894 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4899 /* If we're not quiescent, just up_ref! */
4900 if (!SSL_in_init(s
) || !SSL_in_before(s
)) {
4901 CRYPTO_UP_REF(&s
->references
, &i
);
4906 * Otherwise, copy configuration state, and session if set.
4908 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
4910 if ((retsc
= SSL_CONNECTION_FROM_SSL_ONLY(ret
)) == NULL
)
4913 if (sc
->session
!= NULL
) {
4915 * Arranges to share the same session via up_ref. This "copies"
4916 * session-id, SSL_METHOD, sid_ctx, and 'cert'
4918 if (!SSL_copy_session_id(ret
, s
))
4922 * No session has been established yet, so we have to expect that
4923 * s->cert or ret->cert will be changed later -- they should not both
4924 * point to the same object, and thus we can't use
4925 * SSL_copy_session_id.
4927 if (!SSL_set_ssl_method(ret
, s
->method
))
4930 if (sc
->cert
!= NULL
) {
4931 ssl_cert_free(retsc
->cert
);
4932 retsc
->cert
= ssl_cert_dup(sc
->cert
);
4933 if (retsc
->cert
== NULL
)
4937 if (!SSL_set_session_id_context(ret
, sc
->sid_ctx
,
4938 (int)sc
->sid_ctx_length
))
4942 if (!ssl_dane_dup(retsc
, sc
))
4944 retsc
->version
= sc
->version
;
4945 retsc
->options
= sc
->options
;
4946 retsc
->min_proto_version
= sc
->min_proto_version
;
4947 retsc
->max_proto_version
= sc
->max_proto_version
;
4948 retsc
->mode
= sc
->mode
;
4949 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
4950 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
4951 retsc
->msg_callback
= sc
->msg_callback
;
4952 retsc
->msg_callback_arg
= sc
->msg_callback_arg
;
4953 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
4954 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
4955 retsc
->generate_session_id
= sc
->generate_session_id
;
4957 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
4959 /* copy app data, a little dangerous perhaps */
4960 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
4963 retsc
->server
= sc
->server
;
4964 if (sc
->handshake_func
) {
4966 SSL_set_accept_state(ret
);
4968 SSL_set_connect_state(ret
);
4970 retsc
->shutdown
= sc
->shutdown
;
4971 retsc
->hit
= sc
->hit
;
4973 retsc
->default_passwd_callback
= sc
->default_passwd_callback
;
4974 retsc
->default_passwd_callback_userdata
= sc
->default_passwd_callback_userdata
;
4976 X509_VERIFY_PARAM_inherit(retsc
->param
, sc
->param
);
4978 /* dup the cipher_list and cipher_list_by_id stacks */
4979 if (sc
->cipher_list
!= NULL
) {
4980 if ((retsc
->cipher_list
= sk_SSL_CIPHER_dup(sc
->cipher_list
)) == NULL
)
4983 if (sc
->cipher_list_by_id
!= NULL
)
4984 if ((retsc
->cipher_list_by_id
= sk_SSL_CIPHER_dup(sc
->cipher_list_by_id
))
4988 /* Dup the client_CA list */
4989 if (!dup_ca_names(&retsc
->ca_names
, sc
->ca_names
)
4990 || !dup_ca_names(&retsc
->client_ca_names
, sc
->client_ca_names
))
5000 X509
*SSL_get_certificate(const SSL
*s
)
5002 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5007 if (sc
->cert
!= NULL
)
5008 return sc
->cert
->key
->x509
;
5013 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
5015 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5020 if (sc
->cert
!= NULL
)
5021 return sc
->cert
->key
->privatekey
;
5026 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
5028 if (ctx
->cert
!= NULL
)
5029 return ctx
->cert
->key
->x509
;
5034 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
5036 if (ctx
->cert
!= NULL
)
5037 return ctx
->cert
->key
->privatekey
;
5042 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
5044 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5049 if ((sc
->session
!= NULL
) && (sc
->session
->cipher
!= NULL
))
5050 return sc
->session
->cipher
;
5054 const SSL_CIPHER
*SSL_get_pending_cipher(const SSL
*s
)
5056 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5061 return sc
->s3
.tmp
.new_cipher
;
5064 const COMP_METHOD
*SSL_get_current_compression(const SSL
*s
)
5066 #ifndef OPENSSL_NO_COMP
5067 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
5072 return sc
->rlayer
.wrlmethod
->get_compression(sc
->rlayer
.wrl
);
5078 const COMP_METHOD
*SSL_get_current_expansion(const SSL
*s
)
5080 #ifndef OPENSSL_NO_COMP
5081 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
5086 return sc
->rlayer
.rrlmethod
->get_compression(sc
->rlayer
.rrl
);
5092 int ssl_init_wbio_buffer(SSL_CONNECTION
*s
)
5096 if (s
->bbio
!= NULL
) {
5097 /* Already buffered. */
5101 bbio
= BIO_new(BIO_f_buffer());
5102 if (bbio
== NULL
|| BIO_set_read_buffer_size(bbio
, 1) <= 0) {
5104 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
5108 s
->wbio
= BIO_push(bbio
, s
->wbio
);
5110 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
5115 int ssl_free_wbio_buffer(SSL_CONNECTION
*s
)
5117 /* callers ensure s is never null */
5118 if (s
->bbio
== NULL
)
5121 s
->wbio
= BIO_pop(s
->wbio
);
5122 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
5130 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
5132 ctx
->quiet_shutdown
= mode
;
5135 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
5137 return ctx
->quiet_shutdown
;
5140 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
5142 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
5144 /* Not supported with QUIC */
5148 sc
->quiet_shutdown
= mode
;
5151 int SSL_get_quiet_shutdown(const SSL
*s
)
5153 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
5155 /* Not supported with QUIC */
5159 return sc
->quiet_shutdown
;
5162 void SSL_set_shutdown(SSL
*s
, int mode
)
5164 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
5166 /* Not supported with QUIC */
5170 sc
->shutdown
= mode
;
5173 int SSL_get_shutdown(const SSL
*s
)
5175 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
5177 #ifndef OPENSSL_NO_QUIC
5178 /* QUIC: Just indicate whether the connection was shutdown cleanly. */
5180 return ossl_quic_get_shutdown(s
);
5186 return sc
->shutdown
;
5189 int SSL_version(const SSL
*s
)
5191 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5193 #ifndef OPENSSL_NO_QUIC
5194 /* We only support QUICv1 - so if its QUIC its QUICv1 */
5195 if (s
->type
== SSL_TYPE_QUIC_CONNECTION
|| s
->type
== SSL_TYPE_QUIC_XSO
)
5196 return OSSL_QUIC1_VERSION
;
5204 int SSL_client_version(const SSL
*s
)
5206 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5208 #ifndef OPENSSL_NO_QUIC
5209 /* We only support QUICv1 - so if its QUIC its QUICv1 */
5210 if (s
->type
== SSL_TYPE_QUIC_CONNECTION
|| s
->type
== SSL_TYPE_QUIC_XSO
)
5211 return OSSL_QUIC1_VERSION
;
5216 return sc
->client_version
;
5219 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
5224 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
5227 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
5229 /* TODO(QUIC FUTURE): Add support for QUIC */
5233 if (ssl
->ctx
== ctx
)
5236 ctx
= sc
->session_ctx
;
5237 new_cert
= ssl_cert_dup(ctx
->cert
);
5238 if (new_cert
== NULL
) {
5242 if (!custom_exts_copy_flags(&new_cert
->custext
, &sc
->cert
->custext
)) {
5243 ssl_cert_free(new_cert
);
5247 ssl_cert_free(sc
->cert
);
5248 sc
->cert
= new_cert
;
5251 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
5252 * so setter APIs must prevent invalid lengths from entering the system.
5254 if (!ossl_assert(sc
->sid_ctx_length
<= sizeof(sc
->sid_ctx
)))
5258 * If the session ID context matches that of the parent SSL_CTX,
5259 * inherit it from the new SSL_CTX as well. If however the context does
5260 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
5261 * leave it unchanged.
5263 if ((ssl
->ctx
!= NULL
) &&
5264 (sc
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
5265 (memcmp(sc
->sid_ctx
, ssl
->ctx
->sid_ctx
, sc
->sid_ctx_length
) == 0)) {
5266 sc
->sid_ctx_length
= ctx
->sid_ctx_length
;
5267 memcpy(&sc
->sid_ctx
, &ctx
->sid_ctx
, sizeof(sc
->sid_ctx
));
5270 SSL_CTX_up_ref(ctx
);
5271 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
5277 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
5279 return X509_STORE_set_default_paths_ex(ctx
->cert_store
, ctx
->libctx
,
5283 int SSL_CTX_set_default_verify_dir(SSL_CTX
*ctx
)
5285 X509_LOOKUP
*lookup
;
5287 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_hash_dir());
5291 /* We ignore errors, in case the directory doesn't exist */
5294 X509_LOOKUP_add_dir(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
5301 int SSL_CTX_set_default_verify_file(SSL_CTX
*ctx
)
5303 X509_LOOKUP
*lookup
;
5305 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_file());
5309 /* We ignore errors, in case the file doesn't exist */
5312 X509_LOOKUP_load_file_ex(lookup
, NULL
, X509_FILETYPE_DEFAULT
, ctx
->libctx
,
5320 int SSL_CTX_set_default_verify_store(SSL_CTX
*ctx
)
5322 X509_LOOKUP
*lookup
;
5324 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_store());
5328 /* We ignore errors, in case the directory doesn't exist */
5331 X509_LOOKUP_add_store_ex(lookup
, NULL
, ctx
->libctx
, ctx
->propq
);
5338 int SSL_CTX_load_verify_file(SSL_CTX
*ctx
, const char *CAfile
)
5340 return X509_STORE_load_file_ex(ctx
->cert_store
, CAfile
, ctx
->libctx
,
5344 int SSL_CTX_load_verify_dir(SSL_CTX
*ctx
, const char *CApath
)
5346 return X509_STORE_load_path(ctx
->cert_store
, CApath
);
5349 int SSL_CTX_load_verify_store(SSL_CTX
*ctx
, const char *CAstore
)
5351 return X509_STORE_load_store_ex(ctx
->cert_store
, CAstore
, ctx
->libctx
,
5355 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
5358 if (CAfile
== NULL
&& CApath
== NULL
)
5360 if (CAfile
!= NULL
&& !SSL_CTX_load_verify_file(ctx
, CAfile
))
5362 if (CApath
!= NULL
&& !SSL_CTX_load_verify_dir(ctx
, CApath
))
5367 void SSL_set_info_callback(SSL
*ssl
,
5368 void (*cb
) (const SSL
*ssl
, int type
, int val
))
5370 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5375 sc
->info_callback
= cb
;
5379 * One compiler (Diab DCC) doesn't like argument names in returned function
5382 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
5385 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5390 return sc
->info_callback
;
5393 void SSL_set_verify_result(SSL
*ssl
, long arg
)
5395 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5400 sc
->verify_result
= arg
;
5403 long SSL_get_verify_result(const SSL
*ssl
)
5405 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5410 return sc
->verify_result
;
5413 size_t SSL_get_client_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5415 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5421 return sizeof(sc
->s3
.client_random
);
5422 if (outlen
> sizeof(sc
->s3
.client_random
))
5423 outlen
= sizeof(sc
->s3
.client_random
);
5424 memcpy(out
, sc
->s3
.client_random
, outlen
);
5428 size_t SSL_get_server_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5430 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5436 return sizeof(sc
->s3
.server_random
);
5437 if (outlen
> sizeof(sc
->s3
.server_random
))
5438 outlen
= sizeof(sc
->s3
.server_random
);
5439 memcpy(out
, sc
->s3
.server_random
, outlen
);
5443 size_t SSL_SESSION_get_master_key(const SSL_SESSION
*session
,
5444 unsigned char *out
, size_t outlen
)
5447 return session
->master_key_length
;
5448 if (outlen
> session
->master_key_length
)
5449 outlen
= session
->master_key_length
;
5450 memcpy(out
, session
->master_key
, outlen
);
5454 int SSL_SESSION_set1_master_key(SSL_SESSION
*sess
, const unsigned char *in
,
5457 if (len
> sizeof(sess
->master_key
))
5460 memcpy(sess
->master_key
, in
, len
);
5461 sess
->master_key_length
= len
;
5466 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
5468 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5471 void *SSL_get_ex_data(const SSL
*s
, int idx
)
5473 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5476 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
5478 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5481 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
5483 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5486 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
5488 return ctx
->cert_store
;
5491 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5493 X509_STORE_free(ctx
->cert_store
);
5494 ctx
->cert_store
= store
;
5497 void SSL_CTX_set1_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5500 X509_STORE_up_ref(store
);
5501 SSL_CTX_set_cert_store(ctx
, store
);
5504 int SSL_want(const SSL
*s
)
5506 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5508 #ifndef OPENSSL_NO_QUIC
5510 return ossl_quic_want(s
);
5519 #ifndef OPENSSL_NO_PSK
5520 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
5522 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5523 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5526 OPENSSL_free(ctx
->cert
->psk_identity_hint
);
5527 if (identity_hint
!= NULL
) {
5528 ctx
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5529 if (ctx
->cert
->psk_identity_hint
== NULL
)
5532 ctx
->cert
->psk_identity_hint
= NULL
;
5536 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
5538 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5543 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5544 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5547 OPENSSL_free(sc
->cert
->psk_identity_hint
);
5548 if (identity_hint
!= NULL
) {
5549 sc
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5550 if (sc
->cert
->psk_identity_hint
== NULL
)
5553 sc
->cert
->psk_identity_hint
= NULL
;
5557 const char *SSL_get_psk_identity_hint(const SSL
*s
)
5559 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5561 if (sc
== NULL
|| sc
->session
== NULL
)
5564 return sc
->session
->psk_identity_hint
;
5567 const char *SSL_get_psk_identity(const SSL
*s
)
5569 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5571 if (sc
== NULL
|| sc
->session
== NULL
)
5574 return sc
->session
->psk_identity
;
5577 void SSL_set_psk_client_callback(SSL
*s
, SSL_psk_client_cb_func cb
)
5579 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5584 sc
->psk_client_callback
= cb
;
5587 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
, SSL_psk_client_cb_func cb
)
5589 ctx
->psk_client_callback
= cb
;
5592 void SSL_set_psk_server_callback(SSL
*s
, SSL_psk_server_cb_func cb
)
5594 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5599 sc
->psk_server_callback
= cb
;
5602 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
, SSL_psk_server_cb_func cb
)
5604 ctx
->psk_server_callback
= cb
;
5608 void SSL_set_psk_find_session_callback(SSL
*s
, SSL_psk_find_session_cb_func cb
)
5610 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5615 sc
->psk_find_session_cb
= cb
;
5618 void SSL_CTX_set_psk_find_session_callback(SSL_CTX
*ctx
,
5619 SSL_psk_find_session_cb_func cb
)
5621 ctx
->psk_find_session_cb
= cb
;
5624 void SSL_set_psk_use_session_callback(SSL
*s
, SSL_psk_use_session_cb_func cb
)
5626 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5631 sc
->psk_use_session_cb
= cb
;
5634 void SSL_CTX_set_psk_use_session_callback(SSL_CTX
*ctx
,
5635 SSL_psk_use_session_cb_func cb
)
5637 ctx
->psk_use_session_cb
= cb
;
5640 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
5641 void (*cb
) (int write_p
, int version
,
5642 int content_type
, const void *buf
,
5643 size_t len
, SSL
*ssl
, void *arg
))
5645 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5648 void SSL_set_msg_callback(SSL
*ssl
,
5649 void (*cb
) (int write_p
, int version
,
5650 int content_type
, const void *buf
,
5651 size_t len
, SSL
*ssl
, void *arg
))
5653 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5656 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
5657 int (*cb
) (SSL
*ssl
,
5661 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5662 (void (*)(void))cb
);
5665 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
5666 int (*cb
) (SSL
*ssl
,
5667 int is_forward_secure
))
5669 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5670 (void (*)(void))cb
);
5673 void SSL_CTX_set_record_padding_callback(SSL_CTX
*ctx
,
5674 size_t (*cb
) (SSL
*ssl
, int type
,
5675 size_t len
, void *arg
))
5677 ctx
->record_padding_cb
= cb
;
5680 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX
*ctx
, void *arg
)
5682 ctx
->record_padding_arg
= arg
;
5685 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX
*ctx
)
5687 return ctx
->record_padding_arg
;
5690 int SSL_CTX_set_block_padding(SSL_CTX
*ctx
, size_t block_size
)
5692 if (IS_QUIC_CTX(ctx
) && block_size
> 1)
5695 /* block size of 0 or 1 is basically no padding */
5696 if (block_size
== 1)
5697 ctx
->block_padding
= 0;
5698 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5699 ctx
->block_padding
= block_size
;
5705 int SSL_set_record_padding_callback(SSL
*ssl
,
5706 size_t (*cb
) (SSL
*ssl
, int type
,
5707 size_t len
, void *arg
))
5710 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
5715 b
= SSL_get_wbio(ssl
);
5716 if (b
== NULL
|| !BIO_get_ktls_send(b
)) {
5717 sc
->rlayer
.record_padding_cb
= cb
;
5723 void SSL_set_record_padding_callback_arg(SSL
*ssl
, void *arg
)
5725 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5730 sc
->rlayer
.record_padding_arg
= arg
;
5733 void *SSL_get_record_padding_callback_arg(const SSL
*ssl
)
5735 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5740 return sc
->rlayer
.record_padding_arg
;
5743 int SSL_set_block_padding(SSL
*ssl
, size_t block_size
)
5745 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5747 if (sc
== NULL
|| (IS_QUIC(ssl
) && block_size
> 1))
5750 /* block size of 0 or 1 is basically no padding */
5751 if (block_size
== 1)
5752 sc
->rlayer
.block_padding
= 0;
5753 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5754 sc
->rlayer
.block_padding
= block_size
;
5760 int SSL_set_num_tickets(SSL
*s
, size_t num_tickets
)
5762 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5767 sc
->num_tickets
= num_tickets
;
5772 size_t SSL_get_num_tickets(const SSL
*s
)
5774 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5779 return sc
->num_tickets
;
5782 int SSL_CTX_set_num_tickets(SSL_CTX
*ctx
, size_t num_tickets
)
5784 ctx
->num_tickets
= num_tickets
;
5789 size_t SSL_CTX_get_num_tickets(const SSL_CTX
*ctx
)
5791 return ctx
->num_tickets
;
5794 /* Retrieve handshake hashes */
5795 int ssl_handshake_hash(SSL_CONNECTION
*s
,
5796 unsigned char *out
, size_t outlen
,
5799 EVP_MD_CTX
*ctx
= NULL
;
5800 EVP_MD_CTX
*hdgst
= s
->s3
.handshake_dgst
;
5801 int hashleni
= EVP_MD_CTX_get_size(hdgst
);
5804 if (hashleni
< 0 || (size_t)hashleni
> outlen
) {
5805 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5809 ctx
= EVP_MD_CTX_new();
5811 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5815 if (!EVP_MD_CTX_copy_ex(ctx
, hdgst
)
5816 || EVP_DigestFinal_ex(ctx
, out
, NULL
) <= 0) {
5817 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5821 *hashlen
= hashleni
;
5825 EVP_MD_CTX_free(ctx
);
5829 int SSL_session_reused(const SSL
*s
)
5831 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5839 int SSL_is_server(const SSL
*s
)
5841 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5849 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
5850 void SSL_set_debug(SSL
*s
, int debug
)
5852 /* Old function was do-nothing anyway... */
5858 void SSL_set_security_level(SSL
*s
, int level
)
5860 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5865 sc
->cert
->sec_level
= level
;
5868 int SSL_get_security_level(const SSL
*s
)
5870 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5875 return sc
->cert
->sec_level
;
5878 void SSL_set_security_callback(SSL
*s
,
5879 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5880 int op
, int bits
, int nid
,
5881 void *other
, void *ex
))
5883 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5888 sc
->cert
->sec_cb
= cb
;
5891 int (*SSL_get_security_callback(const SSL
*s
)) (const SSL
*s
,
5892 const SSL_CTX
*ctx
, int op
,
5893 int bits
, int nid
, void *other
,
5895 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5900 return sc
->cert
->sec_cb
;
5903 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
5905 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5910 sc
->cert
->sec_ex
= ex
;
5913 void *SSL_get0_security_ex_data(const SSL
*s
)
5915 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5920 return sc
->cert
->sec_ex
;
5923 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
5925 ctx
->cert
->sec_level
= level
;
5928 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
5930 return ctx
->cert
->sec_level
;
5933 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
5934 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5935 int op
, int bits
, int nid
,
5936 void *other
, void *ex
))
5938 ctx
->cert
->sec_cb
= cb
;
5941 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (const SSL
*s
,
5947 return ctx
->cert
->sec_cb
;
5950 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
5952 ctx
->cert
->sec_ex
= ex
;
5955 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
5957 return ctx
->cert
->sec_ex
;
5960 uint64_t SSL_CTX_get_options(const SSL_CTX
*ctx
)
5962 return ctx
->options
;
5965 uint64_t SSL_get_options(const SSL
*s
)
5967 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5969 #ifndef OPENSSL_NO_QUIC
5971 return ossl_quic_get_options(s
);
5980 uint64_t SSL_CTX_set_options(SSL_CTX
*ctx
, uint64_t op
)
5982 return ctx
->options
|= op
;
5985 uint64_t SSL_set_options(SSL
*s
, uint64_t op
)
5988 OSSL_PARAM options
[2], *opts
= options
;
5990 #ifndef OPENSSL_NO_QUIC
5992 return ossl_quic_set_options(s
, op
);
5995 sc
= SSL_CONNECTION_FROM_SSL(s
);
6001 *opts
++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS
,
6003 *opts
= OSSL_PARAM_construct_end();
6005 /* Ignore return value */
6006 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
6007 sc
->rlayer
.wrlmethod
->set_options(sc
->rlayer
.wrl
, options
);
6012 uint64_t SSL_CTX_clear_options(SSL_CTX
*ctx
, uint64_t op
)
6014 return ctx
->options
&= ~op
;
6017 uint64_t SSL_clear_options(SSL
*s
, uint64_t op
)
6019 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6020 OSSL_PARAM options
[2], *opts
= options
;
6022 #ifndef OPENSSL_NO_QUIC
6024 return ossl_quic_clear_options(s
, op
);
6032 *opts
++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS
,
6034 *opts
= OSSL_PARAM_construct_end();
6036 /* Ignore return value */
6037 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
6038 sc
->rlayer
.wrlmethod
->set_options(sc
->rlayer
.wrl
, options
);
6043 STACK_OF(X509
) *SSL_get0_verified_chain(const SSL
*s
)
6045 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6050 return sc
->verified_chain
;
6053 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);
6055 #ifndef OPENSSL_NO_CT
6058 * Moves SCTs from the |src| stack to the |dst| stack.
6059 * The source of each SCT will be set to |origin|.
6060 * If |dst| points to a NULL pointer, a new stack will be created and owned by
6062 * Returns the number of SCTs moved, or a negative integer if an error occurs.
6063 * The |dst| stack is created and possibly partially populated even in case
6064 * of error, likewise the |src| stack may be left in an intermediate state.
6066 static int ct_move_scts(STACK_OF(SCT
) **dst
, STACK_OF(SCT
) *src
,
6067 sct_source_t origin
)
6073 *dst
= sk_SCT_new_null();
6075 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6080 while ((sct
= sk_SCT_pop(src
)) != NULL
) {
6081 if (SCT_set_source(sct
, origin
) != 1)
6084 if (!sk_SCT_push(*dst
, sct
))
6096 * Look for data collected during ServerHello and parse if found.
6097 * Returns the number of SCTs extracted.
6099 static int ct_extract_tls_extension_scts(SSL_CONNECTION
*s
)
6101 int scts_extracted
= 0;
6103 if (s
->ext
.scts
!= NULL
) {
6104 const unsigned char *p
= s
->ext
.scts
;
6105 STACK_OF(SCT
) *scts
= o2i_SCT_LIST(NULL
, &p
, s
->ext
.scts_len
);
6107 scts_extracted
= ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_TLS_EXTENSION
);
6109 SCT_LIST_free(scts
);
6112 return scts_extracted
;
6116 * Checks for an OCSP response and then attempts to extract any SCTs found if it
6117 * contains an SCT X509 extension. They will be stored in |s->scts|.
6119 * - The number of SCTs extracted, assuming an OCSP response exists.
6120 * - 0 if no OCSP response exists or it contains no SCTs.
6121 * - A negative integer if an error occurs.
6123 static int ct_extract_ocsp_response_scts(SSL_CONNECTION
*s
)
6125 # ifndef OPENSSL_NO_OCSP
6126 int scts_extracted
= 0;
6127 const unsigned char *p
;
6128 OCSP_BASICRESP
*br
= NULL
;
6129 OCSP_RESPONSE
*rsp
= NULL
;
6130 STACK_OF(SCT
) *scts
= NULL
;
6133 if (s
->ext
.ocsp
.resp
== NULL
|| s
->ext
.ocsp
.resp_len
== 0)
6136 p
= s
->ext
.ocsp
.resp
;
6137 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, (int)s
->ext
.ocsp
.resp_len
);
6141 br
= OCSP_response_get1_basic(rsp
);
6145 for (i
= 0; i
< OCSP_resp_count(br
); ++i
) {
6146 OCSP_SINGLERESP
*single
= OCSP_resp_get0(br
, i
);
6152 OCSP_SINGLERESP_get1_ext_d2i(single
, NID_ct_cert_scts
, NULL
, NULL
);
6154 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_OCSP_STAPLED_RESPONSE
);
6155 if (scts_extracted
< 0)
6159 SCT_LIST_free(scts
);
6160 OCSP_BASICRESP_free(br
);
6161 OCSP_RESPONSE_free(rsp
);
6162 return scts_extracted
;
6164 /* Behave as if no OCSP response exists */
6170 * Attempts to extract SCTs from the peer certificate.
6171 * Return the number of SCTs extracted, or a negative integer if an error
6174 static int ct_extract_x509v3_extension_scts(SSL_CONNECTION
*s
)
6176 int scts_extracted
= 0;
6177 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
6180 STACK_OF(SCT
) *scts
=
6181 X509_get_ext_d2i(cert
, NID_ct_precert_scts
, NULL
, NULL
);
6184 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_X509V3_EXTENSION
);
6186 SCT_LIST_free(scts
);
6189 return scts_extracted
;
6193 * Attempts to find all received SCTs by checking TLS extensions, the OCSP
6194 * response (if it exists) and X509v3 extensions in the certificate.
6195 * Returns NULL if an error occurs.
6197 const STACK_OF(SCT
) *SSL_get0_peer_scts(SSL
*s
)
6199 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6204 if (!sc
->scts_parsed
) {
6205 if (ct_extract_tls_extension_scts(sc
) < 0 ||
6206 ct_extract_ocsp_response_scts(sc
) < 0 ||
6207 ct_extract_x509v3_extension_scts(sc
) < 0)
6210 sc
->scts_parsed
= 1;
6217 static int ct_permissive(const CT_POLICY_EVAL_CTX
*ctx
,
6218 const STACK_OF(SCT
) *scts
, void *unused_arg
)
6223 static int ct_strict(const CT_POLICY_EVAL_CTX
*ctx
,
6224 const STACK_OF(SCT
) *scts
, void *unused_arg
)
6226 int count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
6229 for (i
= 0; i
< count
; ++i
) {
6230 SCT
*sct
= sk_SCT_value(scts
, i
);
6231 int status
= SCT_get_validation_status(sct
);
6233 if (status
== SCT_VALIDATION_STATUS_VALID
)
6236 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_VALID_SCTS
);
6240 int SSL_set_ct_validation_callback(SSL
*s
, ssl_ct_validation_cb callback
,
6243 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6249 * Since code exists that uses the custom extension handler for CT, look
6250 * for this and throw an error if they have already registered to use CT.
6252 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(s
->ctx
,
6253 TLSEXT_TYPE_signed_certificate_timestamp
))
6255 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6259 if (callback
!= NULL
) {
6261 * If we are validating CT, then we MUST accept SCTs served via OCSP
6263 if (!SSL_set_tlsext_status_type(s
, TLSEXT_STATUSTYPE_ocsp
))
6267 sc
->ct_validation_callback
= callback
;
6268 sc
->ct_validation_callback_arg
= arg
;
6273 int SSL_CTX_set_ct_validation_callback(SSL_CTX
*ctx
,
6274 ssl_ct_validation_cb callback
, void *arg
)
6277 * Since code exists that uses the custom extension handler for CT, look for
6278 * this and throw an error if they have already registered to use CT.
6280 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(ctx
,
6281 TLSEXT_TYPE_signed_certificate_timestamp
))
6283 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6287 ctx
->ct_validation_callback
= callback
;
6288 ctx
->ct_validation_callback_arg
= arg
;
6292 int SSL_ct_is_enabled(const SSL
*s
)
6294 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6299 return sc
->ct_validation_callback
!= NULL
;
6302 int SSL_CTX_ct_is_enabled(const SSL_CTX
*ctx
)
6304 return ctx
->ct_validation_callback
!= NULL
;
6307 int ssl_validate_ct(SSL_CONNECTION
*s
)
6310 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
6312 SSL_DANE
*dane
= &s
->dane
;
6313 CT_POLICY_EVAL_CTX
*ctx
= NULL
;
6314 const STACK_OF(SCT
) *scts
;
6317 * If no callback is set, the peer is anonymous, or its chain is invalid,
6318 * skip SCT validation - just return success. Applications that continue
6319 * handshakes without certificates, with unverified chains, or pinned leaf
6320 * certificates are outside the scope of the WebPKI and CT.
6322 * The above exclusions notwithstanding the vast majority of peers will
6323 * have rather ordinary certificate chains validated by typical
6324 * applications that perform certificate verification and therefore will
6325 * process SCTs when enabled.
6327 if (s
->ct_validation_callback
== NULL
|| cert
== NULL
||
6328 s
->verify_result
!= X509_V_OK
||
6329 s
->verified_chain
== NULL
|| sk_X509_num(s
->verified_chain
) <= 1)
6333 * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3)
6334 * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2
6336 if (DANETLS_ENABLED(dane
) && dane
->mtlsa
!= NULL
) {
6337 switch (dane
->mtlsa
->usage
) {
6338 case DANETLS_USAGE_DANE_TA
:
6339 case DANETLS_USAGE_DANE_EE
:
6344 ctx
= CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s
)->libctx
,
6345 SSL_CONNECTION_GET_CTX(s
)->propq
);
6347 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CT_LIB
);
6351 issuer
= sk_X509_value(s
->verified_chain
, 1);
6352 CT_POLICY_EVAL_CTX_set1_cert(ctx
, cert
);
6353 CT_POLICY_EVAL_CTX_set1_issuer(ctx
, issuer
);
6354 CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx
,
6355 SSL_CONNECTION_GET_CTX(s
)->ctlog_store
);
6356 CT_POLICY_EVAL_CTX_set_time(
6357 ctx
, (uint64_t)SSL_SESSION_get_time(s
->session
) * 1000);
6359 scts
= SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s
));
6362 * This function returns success (> 0) only when all the SCTs are valid, 0
6363 * when some are invalid, and < 0 on various internal errors (out of
6364 * memory, etc.). Having some, or even all, invalid SCTs is not sufficient
6365 * reason to abort the handshake, that decision is up to the callback.
6366 * Therefore, we error out only in the unexpected case that the return
6367 * value is negative.
6369 * XXX: One might well argue that the return value of this function is an
6370 * unfortunate design choice. Its job is only to determine the validation
6371 * status of each of the provided SCTs. So long as it correctly separates
6372 * the wheat from the chaff it should return success. Failure in this case
6373 * ought to correspond to an inability to carry out its duties.
6375 if (SCT_LIST_validate(scts
, ctx
) < 0) {
6376 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_SCT_VERIFICATION_FAILED
);
6380 ret
= s
->ct_validation_callback(ctx
, scts
, s
->ct_validation_callback_arg
);
6382 ret
= 0; /* This function returns 0 on failure */
6384 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_CALLBACK_FAILED
);
6387 CT_POLICY_EVAL_CTX_free(ctx
);
6389 * With SSL_VERIFY_NONE the session may be cached and re-used despite a
6390 * failure return code here. Also the application may wish the complete
6391 * the handshake, and then disconnect cleanly at a higher layer, after
6392 * checking the verification status of the completed connection.
6394 * We therefore force a certificate verification failure which will be
6395 * visible via SSL_get_verify_result() and cached as part of any resumed
6398 * Note: the permissive callback is for information gathering only, always
6399 * returns success, and does not affect verification status. Only the
6400 * strict callback or a custom application-specified callback can trigger
6401 * connection failure or record a verification error.
6404 s
->verify_result
= X509_V_ERR_NO_VALID_SCTS
;
6408 int SSL_CTX_enable_ct(SSL_CTX
*ctx
, int validation_mode
)
6410 switch (validation_mode
) {
6412 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6414 case SSL_CT_VALIDATION_PERMISSIVE
:
6415 return SSL_CTX_set_ct_validation_callback(ctx
, ct_permissive
, NULL
);
6416 case SSL_CT_VALIDATION_STRICT
:
6417 return SSL_CTX_set_ct_validation_callback(ctx
, ct_strict
, NULL
);
6421 int SSL_enable_ct(SSL
*s
, int validation_mode
)
6423 switch (validation_mode
) {
6425 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6427 case SSL_CT_VALIDATION_PERMISSIVE
:
6428 return SSL_set_ct_validation_callback(s
, ct_permissive
, NULL
);
6429 case SSL_CT_VALIDATION_STRICT
:
6430 return SSL_set_ct_validation_callback(s
, ct_strict
, NULL
);
6434 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX
*ctx
)
6436 return CTLOG_STORE_load_default_file(ctx
->ctlog_store
);
6439 int SSL_CTX_set_ctlog_list_file(SSL_CTX
*ctx
, const char *path
)
6441 return CTLOG_STORE_load_file(ctx
->ctlog_store
, path
);
6444 void SSL_CTX_set0_ctlog_store(SSL_CTX
*ctx
, CTLOG_STORE
*logs
)
6446 CTLOG_STORE_free(ctx
->ctlog_store
);
6447 ctx
->ctlog_store
= logs
;
6450 const CTLOG_STORE
*SSL_CTX_get0_ctlog_store(const SSL_CTX
*ctx
)
6452 return ctx
->ctlog_store
;
6455 #endif /* OPENSSL_NO_CT */
6457 void SSL_CTX_set_client_hello_cb(SSL_CTX
*c
, SSL_client_hello_cb_fn cb
,
6460 c
->client_hello_cb
= cb
;
6461 c
->client_hello_cb_arg
= arg
;
6464 int SSL_client_hello_isv2(SSL
*s
)
6466 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6471 if (sc
->clienthello
== NULL
)
6473 return sc
->clienthello
->isv2
;
6476 unsigned int SSL_client_hello_get0_legacy_version(SSL
*s
)
6478 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6483 if (sc
->clienthello
== NULL
)
6485 return sc
->clienthello
->legacy_version
;
6488 size_t SSL_client_hello_get0_random(SSL
*s
, const unsigned char **out
)
6490 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6495 if (sc
->clienthello
== NULL
)
6498 *out
= sc
->clienthello
->random
;
6499 return SSL3_RANDOM_SIZE
;
6502 size_t SSL_client_hello_get0_session_id(SSL
*s
, const unsigned char **out
)
6504 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6509 if (sc
->clienthello
== NULL
)
6512 *out
= sc
->clienthello
->session_id
;
6513 return sc
->clienthello
->session_id_len
;
6516 size_t SSL_client_hello_get0_ciphers(SSL
*s
, const unsigned char **out
)
6518 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6523 if (sc
->clienthello
== NULL
)
6526 *out
= PACKET_data(&sc
->clienthello
->ciphersuites
);
6527 return PACKET_remaining(&sc
->clienthello
->ciphersuites
);
6530 size_t SSL_client_hello_get0_compression_methods(SSL
*s
, const unsigned char **out
)
6532 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6537 if (sc
->clienthello
== NULL
)
6540 *out
= sc
->clienthello
->compressions
;
6541 return sc
->clienthello
->compressions_len
;
6544 int SSL_client_hello_get1_extensions_present(SSL
*s
, int **out
, size_t *outlen
)
6549 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6554 if (sc
->clienthello
== NULL
|| out
== NULL
|| outlen
== NULL
)
6556 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6557 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6566 if ((present
= OPENSSL_malloc(sizeof(*present
) * num
)) == NULL
)
6568 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6569 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6571 if (ext
->received_order
>= num
)
6573 present
[ext
->received_order
] = ext
->type
;
6580 OPENSSL_free(present
);
6584 int SSL_client_hello_get_extension_order(SSL
*s
, uint16_t *exts
, size_t *num_exts
)
6588 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6593 if (sc
->clienthello
== NULL
|| num_exts
== NULL
)
6595 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6596 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6608 if (*num_exts
< num
)
6610 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6611 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6613 if (ext
->received_order
>= num
)
6615 exts
[ext
->received_order
] = ext
->type
;
6622 int SSL_client_hello_get0_ext(SSL
*s
, unsigned int type
, const unsigned char **out
,
6627 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6632 if (sc
->clienthello
== NULL
)
6634 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; ++i
) {
6635 r
= sc
->clienthello
->pre_proc_exts
+ i
;
6636 if (r
->present
&& r
->type
== type
) {
6638 *out
= PACKET_data(&r
->data
);
6640 *outlen
= PACKET_remaining(&r
->data
);
6647 int SSL_free_buffers(SSL
*ssl
)
6650 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
6657 return rl
->rrlmethod
->free_buffers(rl
->rrl
)
6658 && rl
->wrlmethod
->free_buffers(rl
->wrl
);
6661 int SSL_alloc_buffers(SSL
*ssl
)
6664 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6669 /* QUIC always has buffers allocated. */
6675 return rl
->rrlmethod
->alloc_buffers(rl
->rrl
)
6676 && rl
->wrlmethod
->alloc_buffers(rl
->wrl
);
6679 void SSL_CTX_set_keylog_callback(SSL_CTX
*ctx
, SSL_CTX_keylog_cb_func cb
)
6681 ctx
->keylog_callback
= cb
;
6684 SSL_CTX_keylog_cb_func
SSL_CTX_get_keylog_callback(const SSL_CTX
*ctx
)
6686 return ctx
->keylog_callback
;
6689 static int nss_keylog_int(const char *prefix
,
6691 const uint8_t *parameter_1
,
6692 size_t parameter_1_len
,
6693 const uint8_t *parameter_2
,
6694 size_t parameter_2_len
)
6697 char *cursor
= NULL
;
6701 SSL_CTX
*sctx
= SSL_CONNECTION_GET_CTX(sc
);
6703 if (sctx
->keylog_callback
== NULL
)
6707 * Our output buffer will contain the following strings, rendered with
6708 * space characters in between, terminated by a NULL character: first the
6709 * prefix, then the first parameter, then the second parameter. The
6710 * meaning of each parameter depends on the specific key material being
6711 * logged. Note that the first and second parameters are encoded in
6712 * hexadecimal, so we need a buffer that is twice their lengths.
6714 prefix_len
= strlen(prefix
);
6715 out_len
= prefix_len
+ (2 * parameter_1_len
) + (2 * parameter_2_len
) + 3;
6716 if ((out
= cursor
= OPENSSL_malloc(out_len
)) == NULL
)
6719 strcpy(cursor
, prefix
);
6720 cursor
+= prefix_len
;
6723 for (i
= 0; i
< parameter_1_len
; i
++) {
6724 sprintf(cursor
, "%02x", parameter_1
[i
]);
6729 for (i
= 0; i
< parameter_2_len
; i
++) {
6730 sprintf(cursor
, "%02x", parameter_2
[i
]);
6735 sctx
->keylog_callback(SSL_CONNECTION_GET_SSL(sc
), (const char *)out
);
6736 OPENSSL_clear_free(out
, out_len
);
6741 int ssl_log_rsa_client_key_exchange(SSL_CONNECTION
*sc
,
6742 const uint8_t *encrypted_premaster
,
6743 size_t encrypted_premaster_len
,
6744 const uint8_t *premaster
,
6745 size_t premaster_len
)
6747 if (encrypted_premaster_len
< 8) {
6748 SSLfatal(sc
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6752 /* We only want the first 8 bytes of the encrypted premaster as a tag. */
6753 return nss_keylog_int("RSA",
6755 encrypted_premaster
,
6761 int ssl_log_secret(SSL_CONNECTION
*sc
,
6763 const uint8_t *secret
,
6766 return nss_keylog_int(label
,
6768 sc
->s3
.client_random
,
6774 #define SSLV2_CIPHER_LEN 3
6776 int ssl_cache_cipherlist(SSL_CONNECTION
*s
, PACKET
*cipher_suites
, int sslv2format
)
6780 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6782 if (PACKET_remaining(cipher_suites
) == 0) {
6783 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6787 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6788 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6792 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6793 s
->s3
.tmp
.ciphers_raw
= NULL
;
6794 s
->s3
.tmp
.ciphers_rawlen
= 0;
6797 size_t numciphers
= PACKET_remaining(cipher_suites
) / n
;
6798 PACKET sslv2ciphers
= *cipher_suites
;
6799 unsigned int leadbyte
;
6803 * We store the raw ciphers list in SSLv3+ format so we need to do some
6804 * preprocessing to convert the list first. If there are any SSLv2 only
6805 * ciphersuites with a non-zero leading byte then we are going to
6806 * slightly over allocate because we won't store those. But that isn't a
6809 raw
= OPENSSL_malloc(numciphers
* TLS_CIPHER_LEN
);
6810 s
->s3
.tmp
.ciphers_raw
= raw
;
6812 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6815 for (s
->s3
.tmp
.ciphers_rawlen
= 0;
6816 PACKET_remaining(&sslv2ciphers
) > 0;
6817 raw
+= TLS_CIPHER_LEN
) {
6818 if (!PACKET_get_1(&sslv2ciphers
, &leadbyte
)
6820 && !PACKET_copy_bytes(&sslv2ciphers
, raw
,
6823 && !PACKET_forward(&sslv2ciphers
, TLS_CIPHER_LEN
))) {
6824 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_PACKET
);
6825 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6826 s
->s3
.tmp
.ciphers_raw
= NULL
;
6827 s
->s3
.tmp
.ciphers_rawlen
= 0;
6831 s
->s3
.tmp
.ciphers_rawlen
+= TLS_CIPHER_LEN
;
6833 } else if (!PACKET_memdup(cipher_suites
, &s
->s3
.tmp
.ciphers_raw
,
6834 &s
->s3
.tmp
.ciphers_rawlen
)) {
6835 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6841 int SSL_bytes_to_cipher_list(SSL
*s
, const unsigned char *bytes
, size_t len
,
6842 int isv2format
, STACK_OF(SSL_CIPHER
) **sk
,
6843 STACK_OF(SSL_CIPHER
) **scsvs
)
6846 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6851 if (!PACKET_buf_init(&pkt
, bytes
, len
))
6853 return ossl_bytes_to_cipher_list(sc
, &pkt
, sk
, scsvs
, isv2format
, 0);
6856 int ossl_bytes_to_cipher_list(SSL_CONNECTION
*s
, PACKET
*cipher_suites
,
6857 STACK_OF(SSL_CIPHER
) **skp
,
6858 STACK_OF(SSL_CIPHER
) **scsvs_out
,
6859 int sslv2format
, int fatal
)
6861 const SSL_CIPHER
*c
;
6862 STACK_OF(SSL_CIPHER
) *sk
= NULL
;
6863 STACK_OF(SSL_CIPHER
) *scsvs
= NULL
;
6865 /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */
6866 unsigned char cipher
[SSLV2_CIPHER_LEN
];
6868 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6870 if (PACKET_remaining(cipher_suites
) == 0) {
6872 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6874 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHERS_SPECIFIED
);
6878 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6880 SSLfatal(s
, SSL_AD_DECODE_ERROR
,
6881 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6883 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6887 sk
= sk_SSL_CIPHER_new_null();
6888 scsvs
= sk_SSL_CIPHER_new_null();
6889 if (sk
== NULL
|| scsvs
== NULL
) {
6891 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6893 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6897 while (PACKET_copy_bytes(cipher_suites
, cipher
, n
)) {
6899 * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the
6900 * first byte set to zero, while true SSLv2 ciphers have a non-zero
6901 * first byte. We don't support any true SSLv2 ciphers, so skip them.
6903 if (sslv2format
&& cipher
[0] != '\0')
6906 /* For SSLv2-compat, ignore leading 0-byte. */
6907 c
= ssl_get_cipher_by_char(s
, sslv2format
? &cipher
[1] : cipher
, 1);
6909 if ((c
->valid
&& !sk_SSL_CIPHER_push(sk
, c
)) ||
6910 (!c
->valid
&& !sk_SSL_CIPHER_push(scsvs
, c
))) {
6912 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6914 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6919 if (PACKET_remaining(cipher_suites
) > 0) {
6921 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_LENGTH
);
6923 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
6930 sk_SSL_CIPHER_free(sk
);
6931 if (scsvs_out
!= NULL
)
6934 sk_SSL_CIPHER_free(scsvs
);
6937 sk_SSL_CIPHER_free(sk
);
6938 sk_SSL_CIPHER_free(scsvs
);
6942 int SSL_CTX_set_max_early_data(SSL_CTX
*ctx
, uint32_t max_early_data
)
6944 ctx
->max_early_data
= max_early_data
;
6949 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX
*ctx
)
6951 return ctx
->max_early_data
;
6954 int SSL_set_max_early_data(SSL
*s
, uint32_t max_early_data
)
6956 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
6961 sc
->max_early_data
= max_early_data
;
6966 uint32_t SSL_get_max_early_data(const SSL
*s
)
6968 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6973 return sc
->max_early_data
;
6976 int SSL_CTX_set_recv_max_early_data(SSL_CTX
*ctx
, uint32_t recv_max_early_data
)
6978 ctx
->recv_max_early_data
= recv_max_early_data
;
6983 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX
*ctx
)
6985 return ctx
->recv_max_early_data
;
6988 int SSL_set_recv_max_early_data(SSL
*s
, uint32_t recv_max_early_data
)
6990 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
6995 sc
->recv_max_early_data
= recv_max_early_data
;
7000 uint32_t SSL_get_recv_max_early_data(const SSL
*s
)
7002 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
7007 return sc
->recv_max_early_data
;
7010 __owur
unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION
*sc
)
7012 /* Return any active Max Fragment Len extension */
7013 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
))
7014 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
7016 /* return current SSL connection setting */
7017 return sc
->max_send_fragment
;
7020 __owur
unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION
*sc
)
7022 /* Return a value regarding an active Max Fragment Len extension */
7023 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
)
7024 && sc
->split_send_fragment
> GET_MAX_FRAGMENT_LENGTH(sc
->session
))
7025 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
7027 /* else limit |split_send_fragment| to current |max_send_fragment| */
7028 if (sc
->split_send_fragment
> sc
->max_send_fragment
)
7029 return sc
->max_send_fragment
;
7031 /* return current SSL connection setting */
7032 return sc
->split_send_fragment
;
7035 int SSL_stateless(SSL
*s
)
7038 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7043 /* Ensure there is no state left over from a previous invocation */
7049 sc
->s3
.flags
|= TLS1_FLAGS_STATELESS
;
7050 ret
= SSL_accept(s
);
7051 sc
->s3
.flags
&= ~TLS1_FLAGS_STATELESS
;
7053 if (ret
> 0 && sc
->ext
.cookieok
)
7056 if (sc
->hello_retry_request
== SSL_HRR_PENDING
&& !ossl_statem_in_error(sc
))
7062 void SSL_CTX_set_post_handshake_auth(SSL_CTX
*ctx
, int val
)
7064 ctx
->pha_enabled
= val
;
7067 void SSL_set_post_handshake_auth(SSL
*ssl
, int val
)
7069 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
7074 sc
->pha_enabled
= val
;
7077 int SSL_verify_client_post_handshake(SSL
*ssl
)
7079 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
7081 #ifndef OPENSSL_NO_QUIC
7083 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
7091 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
7092 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
7096 ERR_raise(ERR_LIB_SSL
, SSL_R_NOT_SERVER
);
7100 if (!SSL_is_init_finished(ssl
)) {
7101 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
7105 switch (sc
->post_handshake_auth
) {
7107 ERR_raise(ERR_LIB_SSL
, SSL_R_EXTENSION_NOT_RECEIVED
);
7110 case SSL_PHA_EXT_SENT
:
7111 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
7113 case SSL_PHA_EXT_RECEIVED
:
7115 case SSL_PHA_REQUEST_PENDING
:
7116 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_PENDING
);
7118 case SSL_PHA_REQUESTED
:
7119 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_SENT
);
7123 sc
->post_handshake_auth
= SSL_PHA_REQUEST_PENDING
;
7125 /* checks verify_mode and algorithm_auth */
7126 if (!send_certificate_request(sc
)) {
7127 sc
->post_handshake_auth
= SSL_PHA_EXT_RECEIVED
; /* restore on error */
7128 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CONFIG
);
7132 ossl_statem_set_in_init(sc
, 1);
7136 int SSL_CTX_set_session_ticket_cb(SSL_CTX
*ctx
,
7137 SSL_CTX_generate_session_ticket_fn gen_cb
,
7138 SSL_CTX_decrypt_session_ticket_fn dec_cb
,
7141 ctx
->generate_ticket_cb
= gen_cb
;
7142 ctx
->decrypt_ticket_cb
= dec_cb
;
7143 ctx
->ticket_cb_data
= arg
;
7147 void SSL_CTX_set_allow_early_data_cb(SSL_CTX
*ctx
,
7148 SSL_allow_early_data_cb_fn cb
,
7151 ctx
->allow_early_data_cb
= cb
;
7152 ctx
->allow_early_data_cb_data
= arg
;
7155 void SSL_set_allow_early_data_cb(SSL
*s
,
7156 SSL_allow_early_data_cb_fn cb
,
7159 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7164 sc
->allow_early_data_cb
= cb
;
7165 sc
->allow_early_data_cb_data
= arg
;
7168 const EVP_CIPHER
*ssl_evp_cipher_fetch(OSSL_LIB_CTX
*libctx
,
7170 const char *properties
)
7172 const EVP_CIPHER
*ciph
;
7174 ciph
= tls_get_cipher_from_engine(nid
);
7179 * If there is no engine cipher then we do an explicit fetch. This may fail
7180 * and that could be ok
7183 ciph
= EVP_CIPHER_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
7189 int ssl_evp_cipher_up_ref(const EVP_CIPHER
*cipher
)
7191 /* Don't up-ref an implicit EVP_CIPHER */
7192 if (EVP_CIPHER_get0_provider(cipher
) == NULL
)
7196 * The cipher was explicitly fetched and therefore it is safe to cast
7199 return EVP_CIPHER_up_ref((EVP_CIPHER
*)cipher
);
7202 void ssl_evp_cipher_free(const EVP_CIPHER
*cipher
)
7207 if (EVP_CIPHER_get0_provider(cipher
) != NULL
) {
7209 * The cipher was explicitly fetched and therefore it is safe to cast
7212 EVP_CIPHER_free((EVP_CIPHER
*)cipher
);
7216 const EVP_MD
*ssl_evp_md_fetch(OSSL_LIB_CTX
*libctx
,
7218 const char *properties
)
7222 md
= tls_get_digest_from_engine(nid
);
7226 /* Otherwise we do an explicit fetch */
7228 md
= EVP_MD_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
7233 int ssl_evp_md_up_ref(const EVP_MD
*md
)
7235 /* Don't up-ref an implicit EVP_MD */
7236 if (EVP_MD_get0_provider(md
) == NULL
)
7240 * The digest was explicitly fetched and therefore it is safe to cast
7243 return EVP_MD_up_ref((EVP_MD
*)md
);
7246 void ssl_evp_md_free(const EVP_MD
*md
)
7251 if (EVP_MD_get0_provider(md
) != NULL
) {
7253 * The digest was explicitly fetched and therefore it is safe to cast
7256 EVP_MD_free((EVP_MD
*)md
);
7260 int SSL_set0_tmp_dh_pkey(SSL
*s
, EVP_PKEY
*dhpkey
)
7262 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7267 if (!ssl_security(sc
, SSL_SECOP_TMP_DH
,
7268 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7269 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7272 EVP_PKEY_free(sc
->cert
->dh_tmp
);
7273 sc
->cert
->dh_tmp
= dhpkey
;
7277 int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX
*ctx
, EVP_PKEY
*dhpkey
)
7279 if (!ssl_ctx_security(ctx
, SSL_SECOP_TMP_DH
,
7280 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7281 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7284 EVP_PKEY_free(ctx
->cert
->dh_tmp
);
7285 ctx
->cert
->dh_tmp
= dhpkey
;
7289 /* QUIC-specific methods which are supported on QUIC connections only. */
7290 int SSL_handle_events(SSL
*s
)
7294 #ifndef OPENSSL_NO_QUIC
7296 return ossl_quic_handle_events(s
);
7299 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7300 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
))
7302 * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet,
7303 * which we consider a success case. Theoretically DTLSv1_handle_timeout
7304 * can also return 0 if s is NULL or not a DTLS object, but we've
7305 * already ruled out those possibilities above, so this is not possible
7306 * here. Thus the only failure cases are where DTLSv1_handle_timeout
7309 return DTLSv1_handle_timeout(s
) >= 0;
7314 int SSL_get_event_timeout(SSL
*s
, struct timeval
*tv
, int *is_infinite
)
7318 #ifndef OPENSSL_NO_QUIC
7320 return ossl_quic_get_event_timeout(s
, tv
, is_infinite
);
7323 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7324 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
)
7325 && DTLSv1_get_timeout(s
, tv
)) {
7330 tv
->tv_sec
= 1000000;
7336 int SSL_get_rpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7338 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7340 #ifndef OPENSSL_NO_QUIC
7342 return ossl_quic_get_rpoll_descriptor(s
, desc
);
7345 if (sc
== NULL
|| sc
->rbio
== NULL
)
7348 return BIO_get_rpoll_descriptor(sc
->rbio
, desc
);
7351 int SSL_get_wpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7353 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7355 #ifndef OPENSSL_NO_QUIC
7357 return ossl_quic_get_wpoll_descriptor(s
, desc
);
7360 if (sc
== NULL
|| sc
->wbio
== NULL
)
7363 return BIO_get_wpoll_descriptor(sc
->wbio
, desc
);
7366 int SSL_net_read_desired(SSL
*s
)
7368 #ifndef OPENSSL_NO_QUIC
7370 return SSL_want_read(s
);
7372 return ossl_quic_get_net_read_desired(s
);
7374 return SSL_want_read(s
);
7378 int SSL_net_write_desired(SSL
*s
)
7380 #ifndef OPENSSL_NO_QUIC
7382 return SSL_want_write(s
);
7384 return ossl_quic_get_net_write_desired(s
);
7386 return SSL_want_write(s
);
7390 int SSL_set_blocking_mode(SSL
*s
, int blocking
)
7392 #ifndef OPENSSL_NO_QUIC
7396 return ossl_quic_conn_set_blocking_mode(s
, blocking
);
7402 int SSL_get_blocking_mode(SSL
*s
)
7404 #ifndef OPENSSL_NO_QUIC
7408 return ossl_quic_conn_get_blocking_mode(s
);
7414 int SSL_set1_initial_peer_addr(SSL
*s
, const BIO_ADDR
*peer_addr
)
7416 #ifndef OPENSSL_NO_QUIC
7420 return ossl_quic_conn_set_initial_peer_addr(s
, peer_addr
);
7426 int SSL_shutdown_ex(SSL
*ssl
, uint64_t flags
,
7427 const SSL_SHUTDOWN_EX_ARGS
*args
,
7430 #ifndef OPENSSL_NO_QUIC
7432 return SSL_shutdown(ssl
);
7434 return ossl_quic_conn_shutdown(ssl
, flags
, args
, args_len
);
7436 return SSL_shutdown(ssl
);
7440 int SSL_stream_conclude(SSL
*ssl
, uint64_t flags
)
7442 #ifndef OPENSSL_NO_QUIC
7446 return ossl_quic_conn_stream_conclude(ssl
);
7452 SSL
*SSL_new_stream(SSL
*s
, uint64_t flags
)
7454 #ifndef OPENSSL_NO_QUIC
7458 return ossl_quic_conn_stream_new(s
, flags
);
7464 SSL
*SSL_get0_connection(SSL
*s
)
7466 #ifndef OPENSSL_NO_QUIC
7470 return ossl_quic_get0_connection(s
);
7476 int SSL_is_connection(SSL
*s
)
7478 return SSL_get0_connection(s
) == s
;
7481 int SSL_get_stream_type(SSL
*s
)
7483 #ifndef OPENSSL_NO_QUIC
7485 return SSL_STREAM_TYPE_BIDI
;
7487 return ossl_quic_get_stream_type(s
);
7489 return SSL_STREAM_TYPE_BIDI
;
7493 uint64_t SSL_get_stream_id(SSL
*s
)
7495 #ifndef OPENSSL_NO_QUIC
7499 return ossl_quic_get_stream_id(s
);
7505 int SSL_is_stream_local(SSL
*s
)
7507 #ifndef OPENSSL_NO_QUIC
7511 return ossl_quic_is_stream_local(s
);
7517 int SSL_set_default_stream_mode(SSL
*s
, uint32_t mode
)
7519 #ifndef OPENSSL_NO_QUIC
7523 return ossl_quic_set_default_stream_mode(s
, mode
);
7529 int SSL_set_incoming_stream_policy(SSL
*s
, int policy
, uint64_t aec
)
7531 #ifndef OPENSSL_NO_QUIC
7535 return ossl_quic_set_incoming_stream_policy(s
, policy
, aec
);
7541 SSL
*SSL_accept_stream(SSL
*s
, uint64_t flags
)
7543 #ifndef OPENSSL_NO_QUIC
7547 return ossl_quic_accept_stream(s
, flags
);
7553 size_t SSL_get_accept_stream_queue_len(SSL
*s
)
7555 #ifndef OPENSSL_NO_QUIC
7559 return ossl_quic_get_accept_stream_queue_len(s
);
7565 int SSL_stream_reset(SSL
*s
,
7566 const SSL_STREAM_RESET_ARGS
*args
,
7569 #ifndef OPENSSL_NO_QUIC
7573 return ossl_quic_stream_reset(s
, args
, args_len
);
7579 int SSL_get_stream_read_state(SSL
*s
)
7581 #ifndef OPENSSL_NO_QUIC
7583 return SSL_STREAM_STATE_NONE
;
7585 return ossl_quic_get_stream_read_state(s
);
7587 return SSL_STREAM_STATE_NONE
;
7591 int SSL_get_stream_write_state(SSL
*s
)
7593 #ifndef OPENSSL_NO_QUIC
7595 return SSL_STREAM_STATE_NONE
;
7597 return ossl_quic_get_stream_write_state(s
);
7599 return SSL_STREAM_STATE_NONE
;
7603 int SSL_get_stream_read_error_code(SSL
*s
, uint64_t *app_error_code
)
7605 #ifndef OPENSSL_NO_QUIC
7609 return ossl_quic_get_stream_read_error_code(s
, app_error_code
);
7615 int SSL_get_stream_write_error_code(SSL
*s
, uint64_t *app_error_code
)
7617 #ifndef OPENSSL_NO_QUIC
7621 return ossl_quic_get_stream_write_error_code(s
, app_error_code
);
7627 int SSL_get_conn_close_info(SSL
*s
, SSL_CONN_CLOSE_INFO
*info
,
7630 #ifndef OPENSSL_NO_QUIC
7634 return ossl_quic_get_conn_close_info(s
, info
, info_len
);
7640 int SSL_get_value_uint(SSL
*s
, uint32_t class_
, uint32_t id
,
7643 #ifndef OPENSSL_NO_QUIC
7645 return ossl_quic_get_value_uint(s
, class_
, id
, value
);
7648 ERR_raise(ERR_LIB_SSL
, SSL_R_UNSUPPORTED_PROTOCOL
);
7652 int SSL_set_value_uint(SSL
*s
, uint32_t class_
, uint32_t id
,
7655 #ifndef OPENSSL_NO_QUIC
7657 return ossl_quic_set_value_uint(s
, class_
, id
, value
);
7660 ERR_raise(ERR_LIB_SSL
, SSL_R_UNSUPPORTED_PROTOCOL
);
7664 int SSL_add_expected_rpk(SSL
*s
, EVP_PKEY
*rpk
)
7666 unsigned char *data
= NULL
;
7667 SSL_DANE
*dane
= SSL_get0_dane(s
);
7670 if (dane
== NULL
|| dane
->dctx
== NULL
)
7672 if ((ret
= i2d_PUBKEY(rpk
, &data
)) <= 0)
7675 ret
= SSL_dane_tlsa_add(s
, DANETLS_USAGE_DANE_EE
,
7676 DANETLS_SELECTOR_SPKI
,
7677 DANETLS_MATCHING_FULL
,
7678 data
, (size_t)ret
) > 0;
7683 EVP_PKEY
*SSL_get0_peer_rpk(const SSL
*s
)
7685 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7687 if (sc
== NULL
|| sc
->session
== NULL
)
7689 return sc
->session
->peer_rpk
;
7692 int SSL_get_negotiated_client_cert_type(const SSL
*s
)
7694 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7699 return sc
->ext
.client_cert_type
;
7702 int SSL_get_negotiated_server_cert_type(const SSL
*s
)
7704 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7709 return sc
->ext
.server_cert_type
;
7712 static int validate_cert_type(const unsigned char *val
, size_t len
)
7718 if (val
== NULL
&& len
== 0)
7721 if (val
== NULL
|| len
== 0)
7724 for (i
= 0; i
< len
; i
++) {
7726 case TLSEXT_cert_type_rpk
:
7731 case TLSEXT_cert_type_x509
:
7736 case TLSEXT_cert_type_pgp
:
7737 case TLSEXT_cert_type_1609dot2
:
7745 static int set_cert_type(unsigned char **cert_type
,
7746 size_t *cert_type_len
,
7747 const unsigned char *val
,
7750 unsigned char *tmp
= NULL
;
7752 if (!validate_cert_type(val
, len
))
7755 if (val
!= NULL
&& (tmp
= OPENSSL_memdup(val
, len
)) == NULL
)
7758 OPENSSL_free(*cert_type
);
7760 *cert_type_len
= len
;
7764 int SSL_set1_client_cert_type(SSL
*s
, const unsigned char *val
, size_t len
)
7766 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7768 return set_cert_type(&sc
->client_cert_type
, &sc
->client_cert_type_len
,
7772 int SSL_set1_server_cert_type(SSL
*s
, const unsigned char *val
, size_t len
)
7774 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7776 return set_cert_type(&sc
->server_cert_type
, &sc
->server_cert_type_len
,
7780 int SSL_CTX_set1_client_cert_type(SSL_CTX
*ctx
, const unsigned char *val
, size_t len
)
7782 return set_cert_type(&ctx
->client_cert_type
, &ctx
->client_cert_type_len
,
7786 int SSL_CTX_set1_server_cert_type(SSL_CTX
*ctx
, const unsigned char *val
, size_t len
)
7788 return set_cert_type(&ctx
->server_cert_type
, &ctx
->server_cert_type_len
,
7792 int SSL_get0_client_cert_type(const SSL
*s
, unsigned char **t
, size_t *len
)
7794 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
7796 if (t
== NULL
|| len
== NULL
)
7799 *t
= sc
->client_cert_type
;
7800 *len
= sc
->client_cert_type_len
;
7804 int SSL_get0_server_cert_type(const SSL
*s
, unsigned char **t
, size_t *len
)
7806 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
7808 if (t
== NULL
|| len
== NULL
)
7811 *t
= sc
->server_cert_type
;
7812 *len
= sc
->server_cert_type_len
;
7816 int SSL_CTX_get0_client_cert_type(const SSL_CTX
*ctx
, unsigned char **t
, size_t *len
)
7818 if (t
== NULL
|| len
== NULL
)
7821 *t
= ctx
->client_cert_type
;
7822 *len
= ctx
->client_cert_type_len
;
7826 int SSL_CTX_get0_server_cert_type(const SSL_CTX
*ctx
, unsigned char **t
, size_t *len
)
7828 if (t
== NULL
|| len
== NULL
)
7831 *t
= ctx
->server_cert_type
;
7832 *len
= ctx
->server_cert_type_len
;