2 * Copyright 1995-2022 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 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
)) {
331 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_CERTIFICATE
);
334 if (X509_get0_pubkey(cert
) == NULL
) {
336 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_CERTIFICATE
);
340 if ((DANETLS_USAGE_BIT(usage
) & DANETLS_TA_MASK
) == 0) {
346 * For usage DANE-TA(2), we support authentication via "2 0 0" TLSA
347 * records that contain full certificates of trust-anchors that are
348 * not present in the wire chain. For usage PKIX-TA(0), we augment
349 * the chain with untrusted Full(0) certificates from DNS, in case
350 * they are missing from the chain.
352 if ((dane
->certs
== NULL
&&
353 (dane
->certs
= sk_X509_new_null()) == NULL
) ||
354 !sk_X509_push(dane
->certs
, cert
)) {
355 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
362 case DANETLS_SELECTOR_SPKI
:
363 if (!d2i_PUBKEY(&pkey
, &p
, ilen
) || p
< data
||
364 dlen
!= (size_t)(p
- data
)) {
366 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY
);
371 * For usage DANE-TA(2), we support authentication via "2 1 0" TLSA
372 * records that contain full bare keys of trust-anchors that are
373 * not present in the wire chain.
375 if (usage
== DANETLS_USAGE_DANE_TA
)
384 * Find the right insertion point for the new record.
386 * See crypto/x509/x509_vfy.c. We sort DANE-EE(3) records first, so that
387 * they can be processed first, as they require no chain building, and no
388 * expiration or hostname checks. Because DANE-EE(3) is numerically
389 * largest, this is accomplished via descending sort by "usage".
391 * We also sort in descending order by matching ordinal to simplify
392 * the implementation of digest agility in the verification code.
394 * The choice of order for the selector is not significant, so we
395 * use the same descending order for consistency.
397 num
= sk_danetls_record_num(dane
->trecs
);
398 for (i
= 0; i
< num
; ++i
) {
399 danetls_record
*rec
= sk_danetls_record_value(dane
->trecs
, i
);
401 if (rec
->usage
> usage
)
403 if (rec
->usage
< usage
)
405 if (rec
->selector
> selector
)
407 if (rec
->selector
< selector
)
409 if (dane
->dctx
->mdord
[rec
->mtype
] > dane
->dctx
->mdord
[mtype
])
414 if (!sk_danetls_record_insert(dane
->trecs
, t
, i
)) {
416 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
419 dane
->umask
|= DANETLS_USAGE_BIT(usage
);
425 * Return 0 if there is only one version configured and it was disabled
426 * at configure time. Return 1 otherwise.
428 static int ssl_check_allowed_versions(int min_version
, int max_version
)
430 int minisdtls
= 0, maxisdtls
= 0;
432 /* Figure out if we're doing DTLS versions or TLS versions */
433 if (min_version
== DTLS1_BAD_VER
434 || min_version
>> 8 == DTLS1_VERSION_MAJOR
)
436 if (max_version
== DTLS1_BAD_VER
437 || max_version
>> 8 == DTLS1_VERSION_MAJOR
)
439 /* A wildcard version of 0 could be DTLS or TLS. */
440 if ((minisdtls
&& !maxisdtls
&& max_version
!= 0)
441 || (maxisdtls
&& !minisdtls
&& min_version
!= 0)) {
442 /* Mixing DTLS and TLS versions will lead to sadness; deny it. */
446 if (minisdtls
|| maxisdtls
) {
447 /* Do DTLS version checks. */
448 if (min_version
== 0)
449 /* Ignore DTLS1_BAD_VER */
450 min_version
= DTLS1_VERSION
;
451 if (max_version
== 0)
452 max_version
= DTLS1_2_VERSION
;
453 #ifdef OPENSSL_NO_DTLS1_2
454 if (max_version
== DTLS1_2_VERSION
)
455 max_version
= DTLS1_VERSION
;
457 #ifdef OPENSSL_NO_DTLS1
458 if (min_version
== DTLS1_VERSION
)
459 min_version
= DTLS1_2_VERSION
;
461 /* Done massaging versions; do the check. */
463 #ifdef OPENSSL_NO_DTLS1
464 || (DTLS_VERSION_GE(min_version
, DTLS1_VERSION
)
465 && DTLS_VERSION_GE(DTLS1_VERSION
, max_version
))
467 #ifdef OPENSSL_NO_DTLS1_2
468 || (DTLS_VERSION_GE(min_version
, DTLS1_2_VERSION
)
469 && DTLS_VERSION_GE(DTLS1_2_VERSION
, max_version
))
474 /* Regular TLS version checks. */
475 if (min_version
== 0)
476 min_version
= SSL3_VERSION
;
477 if (max_version
== 0)
478 max_version
= TLS1_3_VERSION
;
479 #ifdef OPENSSL_NO_TLS1_3
480 if (max_version
== TLS1_3_VERSION
)
481 max_version
= TLS1_2_VERSION
;
483 #ifdef OPENSSL_NO_TLS1_2
484 if (max_version
== TLS1_2_VERSION
)
485 max_version
= TLS1_1_VERSION
;
487 #ifdef OPENSSL_NO_TLS1_1
488 if (max_version
== TLS1_1_VERSION
)
489 max_version
= TLS1_VERSION
;
491 #ifdef OPENSSL_NO_TLS1
492 if (max_version
== TLS1_VERSION
)
493 max_version
= SSL3_VERSION
;
495 #ifdef OPENSSL_NO_SSL3
496 if (min_version
== SSL3_VERSION
)
497 min_version
= TLS1_VERSION
;
499 #ifdef OPENSSL_NO_TLS1
500 if (min_version
== TLS1_VERSION
)
501 min_version
= TLS1_1_VERSION
;
503 #ifdef OPENSSL_NO_TLS1_1
504 if (min_version
== TLS1_1_VERSION
)
505 min_version
= TLS1_2_VERSION
;
507 #ifdef OPENSSL_NO_TLS1_2
508 if (min_version
== TLS1_2_VERSION
)
509 min_version
= TLS1_3_VERSION
;
511 /* Done massaging versions; do the check. */
513 #ifdef OPENSSL_NO_SSL3
514 || (min_version
<= SSL3_VERSION
&& SSL3_VERSION
<= max_version
)
516 #ifdef OPENSSL_NO_TLS1
517 || (min_version
<= TLS1_VERSION
&& TLS1_VERSION
<= max_version
)
519 #ifdef OPENSSL_NO_TLS1_1
520 || (min_version
<= TLS1_1_VERSION
&& TLS1_1_VERSION
<= max_version
)
522 #ifdef OPENSSL_NO_TLS1_2
523 || (min_version
<= TLS1_2_VERSION
&& TLS1_2_VERSION
<= max_version
)
525 #ifdef OPENSSL_NO_TLS1_3
526 || (min_version
<= TLS1_3_VERSION
&& TLS1_3_VERSION
<= max_version
)
534 #if defined(__TANDEM) && defined(OPENSSL_VPROC)
536 * Define a VPROC function for HP NonStop build ssl library.
537 * This is used by platform version identification tools.
538 * Do not inline this procedure or make it static.
540 # define OPENSSL_VPROC_STRING_(x) x##_SSL
541 # define OPENSSL_VPROC_STRING(x) OPENSSL_VPROC_STRING_(x)
542 # define OPENSSL_VPROC_FUNC OPENSSL_VPROC_STRING(OPENSSL_VPROC)
543 void OPENSSL_VPROC_FUNC(void) {}
546 static int clear_record_layer(SSL_CONNECTION
*s
)
550 /* We try and reset both record layers even if one fails */
552 ret
= ssl_set_new_record_layer(s
,
553 SSL_CONNECTION_IS_DTLS(s
) ? DTLS_ANY_VERSION
555 OSSL_RECORD_DIRECTION_READ
,
556 OSSL_RECORD_PROTECTION_LEVEL_NONE
, NULL
, 0,
557 NULL
, 0, NULL
, 0, NULL
, 0, NULL
, 0,
558 NID_undef
, NULL
, NULL
, NULL
);
560 ret
&= ssl_set_new_record_layer(s
,
561 SSL_CONNECTION_IS_DTLS(s
) ? DTLS_ANY_VERSION
563 OSSL_RECORD_DIRECTION_WRITE
,
564 OSSL_RECORD_PROTECTION_LEVEL_NONE
, NULL
, 0,
565 NULL
, 0, NULL
, 0, NULL
, 0, NULL
, 0,
566 NID_undef
, NULL
, NULL
, NULL
);
568 /* SSLfatal already called in the event of failure */
572 int SSL_clear(SSL
*s
)
574 if (s
->method
== NULL
) {
575 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_METHOD_SPECIFIED
);
579 return s
->method
->ssl_reset(s
);
582 int ossl_ssl_connection_reset(SSL
*s
)
584 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
589 if (ssl_clear_bad_session(sc
)) {
590 SSL_SESSION_free(sc
->session
);
593 SSL_SESSION_free(sc
->psksession
);
594 sc
->psksession
= NULL
;
595 OPENSSL_free(sc
->psksession_id
);
596 sc
->psksession_id
= NULL
;
597 sc
->psksession_id_len
= 0;
598 sc
->hello_retry_request
= 0;
599 sc
->sent_tickets
= 0;
605 if (sc
->renegotiate
) {
606 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
610 ossl_statem_clear(sc
);
612 /* TODO(QUIC): Version handling not yet clear */
613 sc
->version
= s
->method
->version
;
614 sc
->client_version
= sc
->version
;
615 sc
->rwstate
= SSL_NOTHING
;
617 BUF_MEM_free(sc
->init_buf
);
619 sc
->first_packet
= 0;
621 sc
->key_update
= SSL_KEY_UPDATE_NONE
;
622 memset(sc
->ext
.compress_certificate_from_peer
, 0,
623 sizeof(sc
->ext
.compress_certificate_from_peer
));
624 sc
->ext
.compress_certificate_sent
= 0;
626 EVP_MD_CTX_free(sc
->pha_dgst
);
629 /* Reset DANE verification result state */
632 X509_free(sc
->dane
.mcert
);
633 sc
->dane
.mcert
= NULL
;
634 sc
->dane
.mtlsa
= NULL
;
636 /* Clear the verification result peername */
637 X509_VERIFY_PARAM_move_peername(sc
->param
, NULL
);
639 /* Clear any shared connection state */
640 OPENSSL_free(sc
->shared_sigalgs
);
641 sc
->shared_sigalgs
= NULL
;
642 sc
->shared_sigalgslen
= 0;
645 * Check to see if we were changed into a different method, if so, revert
648 if (s
->method
!= s
->defltmeth
) {
649 s
->method
->ssl_deinit(s
);
650 s
->method
= s
->defltmeth
;
651 if (!s
->method
->ssl_init(s
))
654 if (!s
->method
->ssl_clear(s
))
658 RECORD_LAYER_clear(&sc
->rlayer
);
659 BIO_free(sc
->rlayer
.rrlnext
);
660 sc
->rlayer
.rrlnext
= NULL
;
662 if (!clear_record_layer(sc
))
668 #ifndef OPENSSL_NO_DEPRECATED_3_0
669 /** Used to change an SSL_CTXs default SSL method type */
670 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
672 STACK_OF(SSL_CIPHER
) *sk
;
676 if (!SSL_CTX_set_ciphersuites(ctx
, OSSL_default_ciphersuites())) {
677 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
680 sk
= ssl_create_cipher_list(ctx
,
681 ctx
->tls13_ciphersuites
,
683 &(ctx
->cipher_list_by_id
),
684 OSSL_default_cipher_list(), ctx
->cert
);
685 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
686 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
693 SSL
*SSL_new(SSL_CTX
*ctx
)
696 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_CTX
);
699 if (ctx
->method
== NULL
) {
700 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
703 return ctx
->method
->ssl_new(ctx
);
706 int ossl_ssl_init(SSL
*ssl
, SSL_CTX
*ctx
, const SSL_METHOD
*method
, int type
)
711 ssl
->lock
= CRYPTO_THREAD_lock_new();
712 if (ssl
->lock
== NULL
)
715 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, ssl
, &ssl
->ex_data
)) {
716 CRYPTO_THREAD_lock_free(ssl
->lock
);
724 ssl
->defltmeth
= ssl
->method
= method
;
729 SSL
*ossl_ssl_connection_new_int(SSL_CTX
*ctx
, const SSL_METHOD
*method
)
734 s
= OPENSSL_zalloc(sizeof(*s
));
739 if (!ossl_ssl_init(ssl
, ctx
, method
, SSL_TYPE_SSL_CONNECTION
)) {
746 RECORD_LAYER_init(&s
->rlayer
, s
);
748 s
->options
= ctx
->options
;
749 s
->dane
.flags
= ctx
->dane
.flags
;
750 s
->min_proto_version
= ctx
->min_proto_version
;
751 s
->max_proto_version
= ctx
->max_proto_version
;
753 s
->max_cert_list
= ctx
->max_cert_list
;
754 s
->max_early_data
= ctx
->max_early_data
;
755 s
->recv_max_early_data
= ctx
->recv_max_early_data
;
756 s
->num_tickets
= ctx
->num_tickets
;
757 s
->pha_enabled
= ctx
->pha_enabled
;
759 /* Shallow copy of the ciphersuites stack */
760 s
->tls13_ciphersuites
= sk_SSL_CIPHER_dup(ctx
->tls13_ciphersuites
);
761 if (s
->tls13_ciphersuites
== NULL
)
765 * Earlier library versions used to copy the pointer to the CERT, not
766 * its contents; only when setting new parameters for the per-SSL
767 * copy, ssl_cert_new would be called (and the direct reference to
768 * the per-SSL_CTX settings would be lost, but those still were
769 * indirectly accessed for various purposes, and for that reason they
770 * used to be known as s->ctx->default_cert). Now we don't look at the
771 * SSL_CTX's CERT after having duplicated it once.
773 s
->cert
= ssl_cert_dup(ctx
->cert
);
777 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
778 s
->msg_callback
= ctx
->msg_callback
;
779 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
780 s
->verify_mode
= ctx
->verify_mode
;
781 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
782 s
->rlayer
.record_padding_cb
= ctx
->record_padding_cb
;
783 s
->rlayer
.record_padding_arg
= ctx
->record_padding_arg
;
784 s
->rlayer
.block_padding
= ctx
->block_padding
;
785 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
786 if (!ossl_assert(s
->sid_ctx_length
<= sizeof(s
->sid_ctx
)))
788 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
789 s
->verify_callback
= ctx
->default_verify_callback
;
790 s
->generate_session_id
= ctx
->generate_session_id
;
792 s
->param
= X509_VERIFY_PARAM_new();
793 if (s
->param
== NULL
)
795 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
796 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
798 s
->ext
.max_fragment_len_mode
= ctx
->ext
.max_fragment_len_mode
;
799 s
->max_send_fragment
= ctx
->max_send_fragment
;
800 s
->split_send_fragment
= ctx
->split_send_fragment
;
801 s
->max_pipelines
= ctx
->max_pipelines
;
802 s
->rlayer
.default_read_buf_len
= ctx
->default_read_buf_len
;
805 s
->ext
.debug_arg
= NULL
;
806 s
->ext
.ticket_expected
= 0;
807 s
->ext
.status_type
= ctx
->ext
.status_type
;
808 s
->ext
.status_expected
= 0;
809 s
->ext
.ocsp
.ids
= NULL
;
810 s
->ext
.ocsp
.exts
= NULL
;
811 s
->ext
.ocsp
.resp
= NULL
;
812 s
->ext
.ocsp
.resp_len
= 0;
814 s
->session_ctx
= ctx
;
815 if (ctx
->ext
.ecpointformats
) {
816 s
->ext
.ecpointformats
=
817 OPENSSL_memdup(ctx
->ext
.ecpointformats
,
818 ctx
->ext
.ecpointformats_len
);
819 if (!s
->ext
.ecpointformats
) {
820 s
->ext
.ecpointformats_len
= 0;
823 s
->ext
.ecpointformats_len
=
824 ctx
->ext
.ecpointformats_len
;
826 if (ctx
->ext
.supportedgroups
) {
827 s
->ext
.supportedgroups
=
828 OPENSSL_memdup(ctx
->ext
.supportedgroups
,
829 ctx
->ext
.supportedgroups_len
830 * sizeof(*ctx
->ext
.supportedgroups
));
831 if (!s
->ext
.supportedgroups
) {
832 s
->ext
.supportedgroups_len
= 0;
835 s
->ext
.supportedgroups_len
= ctx
->ext
.supportedgroups_len
;
838 #ifndef OPENSSL_NO_NEXTPROTONEG
842 if (ctx
->ext
.alpn
!= NULL
) {
843 s
->ext
.alpn
= OPENSSL_malloc(ctx
->ext
.alpn_len
);
844 if (s
->ext
.alpn
== NULL
) {
848 memcpy(s
->ext
.alpn
, ctx
->ext
.alpn
, ctx
->ext
.alpn_len
);
849 s
->ext
.alpn_len
= ctx
->ext
.alpn_len
;
852 s
->verified_chain
= NULL
;
853 s
->verify_result
= X509_V_OK
;
855 s
->default_passwd_callback
= ctx
->default_passwd_callback
;
856 s
->default_passwd_callback_userdata
= ctx
->default_passwd_callback_userdata
;
858 s
->key_update
= SSL_KEY_UPDATE_NONE
;
860 s
->allow_early_data_cb
= ctx
->allow_early_data_cb
;
861 s
->allow_early_data_cb_data
= ctx
->allow_early_data_cb_data
;
863 if (!method
->ssl_init(ssl
))
866 s
->server
= (method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
868 if (!method
->ssl_reset(ssl
))
871 #ifndef OPENSSL_NO_PSK
872 s
->psk_client_callback
= ctx
->psk_client_callback
;
873 s
->psk_server_callback
= ctx
->psk_server_callback
;
875 s
->psk_find_session_cb
= ctx
->psk_find_session_cb
;
876 s
->psk_use_session_cb
= ctx
->psk_use_session_cb
;
878 s
->async_cb
= ctx
->async_cb
;
879 s
->async_cb_arg
= ctx
->async_cb_arg
;
883 #ifndef OPENSSL_NO_COMP_ALG
884 memcpy(s
->cert_comp_prefs
, ctx
->cert_comp_prefs
, sizeof(s
->cert_comp_prefs
));
887 #ifndef OPENSSL_NO_CT
888 if (!SSL_set_ct_validation_callback(ssl
, ctx
->ct_validation_callback
,
889 ctx
->ct_validation_callback_arg
))
893 s
->ssl_pkey_num
= SSL_PKEY_NUM
+ ctx
->sigalg_list_len
;
896 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
899 ERR_raise(ERR_LIB_SSL
, ERR_R_ASN1_LIB
);
902 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
908 SSL
*ossl_ssl_connection_new(SSL_CTX
*ctx
)
910 return ossl_ssl_connection_new_int(ctx
, ctx
->method
);
913 int SSL_is_dtls(const SSL
*s
)
915 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
920 return SSL_CONNECTION_IS_DTLS(sc
) ? 1 : 0;
923 int SSL_up_ref(SSL
*s
)
927 if (CRYPTO_UP_REF(&s
->references
, &i
, s
->lock
) <= 0)
930 REF_PRINT_COUNT("SSL", s
);
931 REF_ASSERT_ISNT(i
< 2);
932 return ((i
> 1) ? 1 : 0);
935 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
936 unsigned int sid_ctx_len
)
938 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
939 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
942 ctx
->sid_ctx_length
= sid_ctx_len
;
943 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
948 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
949 unsigned int sid_ctx_len
)
951 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
956 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
957 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
960 sc
->sid_ctx_length
= sid_ctx_len
;
961 memcpy(sc
->sid_ctx
, sid_ctx
, sid_ctx_len
);
966 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
968 if (!CRYPTO_THREAD_write_lock(ctx
->lock
))
970 ctx
->generate_session_id
= cb
;
971 CRYPTO_THREAD_unlock(ctx
->lock
);
975 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
977 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
979 if (sc
== NULL
|| !CRYPTO_THREAD_write_lock(ssl
->lock
))
981 sc
->generate_session_id
= cb
;
982 CRYPTO_THREAD_unlock(ssl
->lock
);
986 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
990 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
991 * we can "construct" a session to give us the desired check - i.e. to
992 * find if there's a session in the hash table that would conflict with
993 * any new session built out of this id/id_len and the ssl_version in use
997 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
999 if (sc
== NULL
|| id_len
> sizeof(r
.session_id
))
1002 r
.ssl_version
= sc
->version
;
1003 r
.session_id_length
= id_len
;
1004 memcpy(r
.session_id
, id
, id_len
);
1006 if (!CRYPTO_THREAD_read_lock(sc
->session_ctx
->lock
))
1008 p
= lh_SSL_SESSION_retrieve(sc
->session_ctx
->sessions
, &r
);
1009 CRYPTO_THREAD_unlock(sc
->session_ctx
->lock
);
1013 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
1015 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
1018 int SSL_set_purpose(SSL
*s
, int purpose
)
1020 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1025 return X509_VERIFY_PARAM_set_purpose(sc
->param
, purpose
);
1028 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
1030 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
1033 int SSL_set_trust(SSL
*s
, int trust
)
1035 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1040 return X509_VERIFY_PARAM_set_trust(sc
->param
, trust
);
1043 int SSL_set1_host(SSL
*s
, const char *hostname
)
1045 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1050 /* If a hostname is provided and parses as an IP address,
1051 * treat it as such. */
1052 if (hostname
!= NULL
1053 && X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
) == 1)
1056 return X509_VERIFY_PARAM_set1_host(sc
->param
, hostname
, 0);
1059 int SSL_add1_host(SSL
*s
, const char *hostname
)
1061 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1066 /* If a hostname is provided and parses as an IP address,
1067 * treat it as such. */
1070 ASN1_OCTET_STRING
*ip
;
1073 ip
= a2i_IPADDRESS(hostname
);
1075 /* We didn't want it; only to check if it *is* an IP address */
1076 ASN1_OCTET_STRING_free(ip
);
1078 old_ip
= X509_VERIFY_PARAM_get1_ip_asc(sc
->param
);
1081 OPENSSL_free(old_ip
);
1082 /* There can be only one IP address */
1086 return X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
);
1090 return X509_VERIFY_PARAM_add1_host(sc
->param
, hostname
, 0);
1093 void SSL_set_hostflags(SSL
*s
, unsigned int flags
)
1095 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1100 X509_VERIFY_PARAM_set_hostflags(sc
->param
, flags
);
1103 const char *SSL_get0_peername(SSL
*s
)
1105 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1110 return X509_VERIFY_PARAM_get0_peername(sc
->param
);
1113 int SSL_CTX_dane_enable(SSL_CTX
*ctx
)
1115 return dane_ctx_enable(&ctx
->dane
);
1118 unsigned long SSL_CTX_dane_set_flags(SSL_CTX
*ctx
, unsigned long flags
)
1120 unsigned long orig
= ctx
->dane
.flags
;
1122 ctx
->dane
.flags
|= flags
;
1126 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX
*ctx
, unsigned long flags
)
1128 unsigned long orig
= ctx
->dane
.flags
;
1130 ctx
->dane
.flags
&= ~flags
;
1134 int SSL_dane_enable(SSL
*s
, const char *basedomain
)
1137 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1143 if (s
->ctx
->dane
.mdmax
== 0) {
1144 ERR_raise(ERR_LIB_SSL
, SSL_R_CONTEXT_NOT_DANE_ENABLED
);
1147 if (dane
->trecs
!= NULL
) {
1148 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_ALREADY_ENABLED
);
1153 * Default SNI name. This rejects empty names, while set1_host below
1154 * accepts them and disables hostname checks. To avoid side-effects with
1155 * invalid input, set the SNI name first.
1157 if (sc
->ext
.hostname
== NULL
) {
1158 if (!SSL_set_tlsext_host_name(s
, basedomain
)) {
1159 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1164 /* Primary RFC6125 reference identifier */
1165 if (!X509_VERIFY_PARAM_set1_host(sc
->param
, basedomain
, 0)) {
1166 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1172 dane
->dctx
= &s
->ctx
->dane
;
1173 dane
->trecs
= sk_danetls_record_new_null();
1175 if (dane
->trecs
== NULL
) {
1176 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
1182 unsigned long SSL_dane_set_flags(SSL
*ssl
, unsigned long flags
)
1185 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1190 orig
= sc
->dane
.flags
;
1192 sc
->dane
.flags
|= flags
;
1196 unsigned long SSL_dane_clear_flags(SSL
*ssl
, unsigned long flags
)
1199 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1204 orig
= sc
->dane
.flags
;
1206 sc
->dane
.flags
&= ~flags
;
1210 int SSL_get0_dane_authority(SSL
*s
, X509
**mcert
, EVP_PKEY
**mspki
)
1213 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1220 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1224 *mcert
= dane
->mcert
;
1226 *mspki
= (dane
->mcert
== NULL
) ? dane
->mtlsa
->spki
: NULL
;
1231 int SSL_get0_dane_tlsa(SSL
*s
, uint8_t *usage
, uint8_t *selector
,
1232 uint8_t *mtype
, const unsigned char **data
, size_t *dlen
)
1235 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1242 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1246 *usage
= dane
->mtlsa
->usage
;
1248 *selector
= dane
->mtlsa
->selector
;
1250 *mtype
= dane
->mtlsa
->mtype
;
1252 *data
= dane
->mtlsa
->data
;
1254 *dlen
= dane
->mtlsa
->dlen
;
1259 SSL_DANE
*SSL_get0_dane(SSL
*s
)
1261 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1269 int SSL_dane_tlsa_add(SSL
*s
, uint8_t usage
, uint8_t selector
,
1270 uint8_t mtype
, const unsigned char *data
, size_t dlen
)
1272 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1277 return dane_tlsa_add(&sc
->dane
, usage
, selector
, mtype
, data
, dlen
);
1280 int SSL_CTX_dane_mtype_set(SSL_CTX
*ctx
, const EVP_MD
*md
, uint8_t mtype
,
1283 return dane_mtype_set(&ctx
->dane
, md
, mtype
, ord
);
1286 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
1288 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
1291 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
1293 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1298 return X509_VERIFY_PARAM_set1(sc
->param
, vpm
);
1301 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
1306 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
1308 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1316 void SSL_certs_clear(SSL
*s
)
1318 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1323 ssl_cert_clear_certs(sc
->cert
);
1326 void SSL_free(SSL
*s
)
1332 CRYPTO_DOWN_REF(&s
->references
, &i
, s
->lock
);
1333 REF_PRINT_COUNT("SSL", s
);
1336 REF_ASSERT_ISNT(i
< 0);
1338 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
1340 if (s
->method
!= NULL
)
1341 s
->method
->ssl_free(s
);
1343 SSL_CTX_free(s
->ctx
);
1344 CRYPTO_THREAD_lock_free(s
->lock
);
1349 void ossl_ssl_connection_free(SSL
*ssl
)
1353 s
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
1357 X509_VERIFY_PARAM_free(s
->param
);
1358 dane_final(&s
->dane
);
1360 /* Ignore return value */
1361 ssl_free_wbio_buffer(s
);
1363 RECORD_LAYER_clear(&s
->rlayer
);
1365 BUF_MEM_free(s
->init_buf
);
1367 /* add extra stuff */
1368 sk_SSL_CIPHER_free(s
->cipher_list
);
1369 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
1370 sk_SSL_CIPHER_free(s
->tls13_ciphersuites
);
1371 sk_SSL_CIPHER_free(s
->peer_ciphers
);
1373 /* Make the next call work :-) */
1374 if (s
->session
!= NULL
) {
1375 ssl_clear_bad_session(s
);
1376 SSL_SESSION_free(s
->session
);
1378 SSL_SESSION_free(s
->psksession
);
1379 OPENSSL_free(s
->psksession_id
);
1381 ssl_cert_free(s
->cert
);
1382 OPENSSL_free(s
->shared_sigalgs
);
1383 /* Free up if allocated */
1385 OPENSSL_free(s
->ext
.hostname
);
1386 SSL_CTX_free(s
->session_ctx
);
1387 OPENSSL_free(s
->ext
.ecpointformats
);
1388 OPENSSL_free(s
->ext
.peer_ecpointformats
);
1389 OPENSSL_free(s
->ext
.supportedgroups
);
1390 OPENSSL_free(s
->ext
.peer_supportedgroups
);
1391 sk_X509_EXTENSION_pop_free(s
->ext
.ocsp
.exts
, X509_EXTENSION_free
);
1392 #ifndef OPENSSL_NO_OCSP
1393 sk_OCSP_RESPID_pop_free(s
->ext
.ocsp
.ids
, OCSP_RESPID_free
);
1395 #ifndef OPENSSL_NO_CT
1396 SCT_LIST_free(s
->scts
);
1397 OPENSSL_free(s
->ext
.scts
);
1399 OPENSSL_free(s
->ext
.ocsp
.resp
);
1400 OPENSSL_free(s
->ext
.alpn
);
1401 OPENSSL_free(s
->ext
.tls13_cookie
);
1402 if (s
->clienthello
!= NULL
)
1403 OPENSSL_free(s
->clienthello
->pre_proc_exts
);
1404 OPENSSL_free(s
->clienthello
);
1405 OPENSSL_free(s
->pha_context
);
1406 EVP_MD_CTX_free(s
->pha_dgst
);
1408 sk_X509_NAME_pop_free(s
->ca_names
, X509_NAME_free
);
1409 sk_X509_NAME_pop_free(s
->client_ca_names
, X509_NAME_free
);
1411 OSSL_STACK_OF_X509_free(s
->verified_chain
);
1413 if (ssl
->method
!= NULL
)
1414 ssl
->method
->ssl_deinit(ssl
);
1416 ASYNC_WAIT_CTX_free(s
->waitctx
);
1418 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1419 OPENSSL_free(s
->ext
.npn
);
1422 #ifndef OPENSSL_NO_SRTP
1423 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
1427 * We do this late. We want to ensure that any other references we held to
1428 * these BIOs are freed first *before* we call BIO_free_all(), because
1429 * BIO_free_all() will only free each BIO in the chain if the number of
1430 * references to the first BIO have dropped to 0
1432 BIO_free_all(s
->wbio
);
1434 BIO_free_all(s
->rbio
);
1436 OPENSSL_free(s
->s3
.tmp
.valid_flags
);
1439 void SSL_set0_rbio(SSL
*s
, BIO
*rbio
)
1441 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1442 #ifndef OPENSSL_NO_QUIC
1443 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
1446 ossl_quic_conn_set0_net_rbio(qc
, rbio
);
1454 BIO_free_all(sc
->rbio
);
1456 sc
->rlayer
.rrlmethod
->set1_bio(sc
->rlayer
.rrl
, sc
->rbio
);
1459 void SSL_set0_wbio(SSL
*s
, BIO
*wbio
)
1461 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1462 #ifndef OPENSSL_NO_QUIC
1463 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
1466 ossl_quic_conn_set0_net_wbio(qc
, wbio
);
1475 * If the output buffering BIO is still in place, remove it
1477 if (sc
->bbio
!= NULL
)
1478 sc
->wbio
= BIO_pop(sc
->wbio
);
1480 BIO_free_all(sc
->wbio
);
1483 /* Re-attach |bbio| to the new |wbio|. */
1484 if (sc
->bbio
!= NULL
)
1485 sc
->wbio
= BIO_push(sc
->bbio
, sc
->wbio
);
1487 sc
->rlayer
.wrlmethod
->set1_bio(sc
->rlayer
.wrl
, sc
->wbio
);
1490 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
1493 * For historical reasons, this function has many different cases in
1494 * ownership handling.
1497 /* If nothing has changed, do nothing */
1498 if (rbio
== SSL_get_rbio(s
) && wbio
== SSL_get_wbio(s
))
1502 * If the two arguments are equal then one fewer reference is granted by the
1503 * caller than we want to take
1505 if (rbio
!= NULL
&& rbio
== wbio
)
1509 * If only the wbio is changed only adopt one reference.
1511 if (rbio
== SSL_get_rbio(s
)) {
1512 SSL_set0_wbio(s
, wbio
);
1516 * There is an asymmetry here for historical reasons. If only the rbio is
1517 * changed AND the rbio and wbio were originally different, then we only
1518 * adopt one reference.
1520 if (wbio
== SSL_get_wbio(s
) && SSL_get_rbio(s
) != SSL_get_wbio(s
)) {
1521 SSL_set0_rbio(s
, rbio
);
1525 /* Otherwise, adopt both references. */
1526 SSL_set0_rbio(s
, rbio
);
1527 SSL_set0_wbio(s
, wbio
);
1530 BIO
*SSL_get_rbio(const SSL
*s
)
1532 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1533 #ifndef OPENSSL_NO_QUIC
1534 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
1537 return ossl_quic_conn_get_net_rbio(qc
);
1546 BIO
*SSL_get_wbio(const SSL
*s
)
1548 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1549 #ifndef OPENSSL_NO_QUIC
1550 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
1553 return ossl_quic_conn_get_net_rbio(qc
);
1559 if (sc
->bbio
!= NULL
) {
1561 * If |bbio| is active, the true caller-configured BIO is its
1564 return BIO_next(sc
->bbio
);
1569 int SSL_get_fd(const SSL
*s
)
1571 return SSL_get_rfd(s
);
1574 int SSL_get_rfd(const SSL
*s
)
1579 b
= SSL_get_rbio(s
);
1580 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1582 BIO_get_fd(r
, &ret
);
1586 int SSL_get_wfd(const SSL
*s
)
1591 b
= SSL_get_wbio(s
);
1592 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1594 BIO_get_fd(r
, &ret
);
1598 #ifndef OPENSSL_NO_SOCK
1599 int SSL_set_fd(SSL
*s
, int fd
)
1604 bio
= BIO_new(BIO_s_socket());
1607 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1610 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1611 SSL_set_bio(s
, bio
, bio
);
1612 #ifndef OPENSSL_NO_KTLS
1614 * The new socket is created successfully regardless of ktls_enable.
1615 * ktls_enable doesn't change any functionality of the socket, except
1616 * changing the setsockopt to enable the processing of ktls_start.
1617 * Thus, it is not a problem to call it for non-TLS sockets.
1620 #endif /* OPENSSL_NO_KTLS */
1626 int SSL_set_wfd(SSL
*s
, int fd
)
1628 BIO
*rbio
= SSL_get_rbio(s
);
1630 if (rbio
== NULL
|| BIO_method_type(rbio
) != BIO_TYPE_SOCKET
1631 || (int)BIO_get_fd(rbio
, NULL
) != fd
) {
1632 BIO
*bio
= BIO_new(BIO_s_socket());
1635 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1638 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1639 SSL_set0_wbio(s
, bio
);
1640 #ifndef OPENSSL_NO_KTLS
1642 * The new socket is created successfully regardless of ktls_enable.
1643 * ktls_enable doesn't change any functionality of the socket, except
1644 * changing the setsockopt to enable the processing of ktls_start.
1645 * Thus, it is not a problem to call it for non-TLS sockets.
1648 #endif /* OPENSSL_NO_KTLS */
1651 SSL_set0_wbio(s
, rbio
);
1656 int SSL_set_rfd(SSL
*s
, int fd
)
1658 BIO
*wbio
= SSL_get_wbio(s
);
1660 if (wbio
== NULL
|| BIO_method_type(wbio
) != BIO_TYPE_SOCKET
1661 || ((int)BIO_get_fd(wbio
, NULL
) != fd
)) {
1662 BIO
*bio
= BIO_new(BIO_s_socket());
1665 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1668 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1669 SSL_set0_rbio(s
, bio
);
1672 SSL_set0_rbio(s
, wbio
);
1679 /* return length of latest Finished message we sent, copy to 'buf' */
1680 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
1683 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1688 ret
= sc
->s3
.tmp
.finish_md_len
;
1691 memcpy(buf
, sc
->s3
.tmp
.finish_md
, count
);
1695 /* return length of latest Finished message we expected, copy to 'buf' */
1696 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
1699 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1704 ret
= sc
->s3
.tmp
.peer_finish_md_len
;
1707 memcpy(buf
, sc
->s3
.tmp
.peer_finish_md
, count
);
1711 int SSL_get_verify_mode(const SSL
*s
)
1713 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1718 return sc
->verify_mode
;
1721 int SSL_get_verify_depth(const SSL
*s
)
1723 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1728 return X509_VERIFY_PARAM_get_depth(sc
->param
);
1731 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
1732 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1737 return sc
->verify_callback
;
1740 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
1742 return ctx
->verify_mode
;
1745 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
1747 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
1750 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
1751 return ctx
->default_verify_callback
;
1754 void SSL_set_verify(SSL
*s
, int mode
,
1755 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
1757 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1762 sc
->verify_mode
= mode
;
1763 if (callback
!= NULL
)
1764 sc
->verify_callback
= callback
;
1767 void SSL_set_verify_depth(SSL
*s
, int depth
)
1769 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1774 X509_VERIFY_PARAM_set_depth(sc
->param
, depth
);
1777 void SSL_set_read_ahead(SSL
*s
, int yes
)
1779 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1780 OSSL_PARAM options
[2], *opts
= options
;
1785 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, yes
);
1787 *opts
++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD
,
1788 &sc
->rlayer
.read_ahead
);
1789 *opts
= OSSL_PARAM_construct_end();
1791 /* Ignore return value */
1792 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
1795 int SSL_get_read_ahead(const SSL
*s
)
1797 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1802 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
1805 int SSL_pending(const SSL
*s
)
1807 size_t pending
= s
->method
->ssl_pending(s
);
1810 * SSL_pending cannot work properly if read-ahead is enabled
1811 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
1812 * impossible to fix since SSL_pending cannot report errors that may be
1813 * observed while scanning the new data. (Note that SSL_pending() is
1814 * often used as a boolean value, so we'd better not return -1.)
1816 * SSL_pending also cannot work properly if the value >INT_MAX. In that case
1817 * we just return INT_MAX.
1819 return pending
< INT_MAX
? (int)pending
: INT_MAX
;
1822 int SSL_has_pending(const SSL
*s
)
1825 * Similar to SSL_pending() but returns a 1 to indicate that we have
1826 * processed or unprocessed data available or 0 otherwise (as opposed to the
1827 * number of bytes available). Unlike SSL_pending() this will take into
1828 * account read_ahead data. A 1 return simply indicates that we have data.
1829 * That data may not result in any application data, or we may fail to parse
1830 * the records for some reason.
1832 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1834 /* Check buffered app data if any first */
1835 if (SSL_CONNECTION_IS_DTLS(sc
)) {
1839 iter
= pqueue_iterator(sc
->rlayer
.d
->buffered_app_data
.q
);
1840 while ((item
= pqueue_next(&iter
)) != NULL
) {
1842 if (rdata
->length
> 0)
1847 if (RECORD_LAYER_processed_read_pending(&sc
->rlayer
))
1850 return RECORD_LAYER_read_pending(&sc
->rlayer
);
1853 X509
*SSL_get1_peer_certificate(const SSL
*s
)
1855 X509
*r
= SSL_get0_peer_certificate(s
);
1863 X509
*SSL_get0_peer_certificate(const SSL
*s
)
1865 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1870 if (sc
->session
== NULL
)
1873 return sc
->session
->peer
;
1876 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
1879 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1884 if (sc
->session
== NULL
)
1887 r
= sc
->session
->peer_chain
;
1890 * If we are a client, cert_chain includes the peer's own certificate; if
1891 * we are a server, it does not.
1898 * Now in theory, since the calling process own 't' it should be safe to
1899 * modify. We need to be able to read f without being hassled
1901 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
1904 /* TODO(QUIC): Do we want to support this for QUIC connections? */
1905 SSL_CONNECTION
*tsc
= SSL_CONNECTION_FROM_SSL_ONLY(t
);
1906 const SSL_CONNECTION
*fsc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(f
);
1908 if (tsc
== NULL
|| fsc
== NULL
)
1911 /* Do we need to do SSL locking? */
1912 if (!SSL_set_session(t
, SSL_get_session(f
))) {
1917 * what if we are setup for one protocol version but want to talk another
1919 if (t
->method
!= f
->method
) {
1920 t
->method
->ssl_deinit(t
);
1921 t
->method
= f
->method
;
1922 if (t
->method
->ssl_init(t
) == 0)
1926 CRYPTO_UP_REF(&fsc
->cert
->references
, &i
, fsc
->cert
->lock
);
1927 ssl_cert_free(tsc
->cert
);
1928 tsc
->cert
= fsc
->cert
;
1929 if (!SSL_set_session_id_context(t
, fsc
->sid_ctx
, (int)fsc
->sid_ctx_length
)) {
1936 /* Fix this so it checks all the valid key/cert options */
1937 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
1939 if ((ctx
== NULL
) || (ctx
->cert
->key
->x509
== NULL
)) {
1940 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1943 if (ctx
->cert
->key
->privatekey
== NULL
) {
1944 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1947 return X509_check_private_key
1948 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
);
1951 /* Fix this function so that it takes an optional type parameter */
1952 int SSL_check_private_key(const SSL
*ssl
)
1954 const SSL_CONNECTION
*sc
;
1956 if ((sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
)) == NULL
) {
1957 ERR_raise(ERR_LIB_SSL
, ERR_R_PASSED_NULL_PARAMETER
);
1960 if (sc
->cert
->key
->x509
== NULL
) {
1961 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1964 if (sc
->cert
->key
->privatekey
== NULL
) {
1965 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1968 return X509_check_private_key(sc
->cert
->key
->x509
,
1969 sc
->cert
->key
->privatekey
);
1972 int SSL_waiting_for_async(SSL
*s
)
1974 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1985 int SSL_get_all_async_fds(SSL
*s
, OSSL_ASYNC_FD
*fds
, size_t *numfds
)
1987 ASYNC_WAIT_CTX
*ctx
;
1988 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1993 if ((ctx
= sc
->waitctx
) == NULL
)
1995 return ASYNC_WAIT_CTX_get_all_fds(ctx
, fds
, numfds
);
1998 int SSL_get_changed_async_fds(SSL
*s
, OSSL_ASYNC_FD
*addfd
, size_t *numaddfds
,
1999 OSSL_ASYNC_FD
*delfd
, size_t *numdelfds
)
2001 ASYNC_WAIT_CTX
*ctx
;
2002 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2007 if ((ctx
= sc
->waitctx
) == NULL
)
2009 return ASYNC_WAIT_CTX_get_changed_fds(ctx
, addfd
, numaddfds
, delfd
,
2013 int SSL_CTX_set_async_callback(SSL_CTX
*ctx
, SSL_async_callback_fn callback
)
2015 ctx
->async_cb
= callback
;
2019 int SSL_CTX_set_async_callback_arg(SSL_CTX
*ctx
, void *arg
)
2021 ctx
->async_cb_arg
= arg
;
2025 int SSL_set_async_callback(SSL
*s
, SSL_async_callback_fn callback
)
2027 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2032 sc
->async_cb
= callback
;
2036 int SSL_set_async_callback_arg(SSL
*s
, void *arg
)
2038 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2043 sc
->async_cb_arg
= arg
;
2047 int SSL_get_async_status(SSL
*s
, int *status
)
2049 ASYNC_WAIT_CTX
*ctx
;
2050 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2055 if ((ctx
= sc
->waitctx
) == NULL
)
2057 *status
= ASYNC_WAIT_CTX_get_status(ctx
);
2061 int SSL_accept(SSL
*s
)
2063 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2064 #ifndef OPENSSL_NO_QUIC
2065 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2068 return s
->method
->ssl_accept(s
);
2074 if (sc
->handshake_func
== NULL
) {
2075 /* Not properly initialized yet */
2076 SSL_set_accept_state(s
);
2079 return SSL_do_handshake(s
);
2082 int SSL_connect(SSL
*s
)
2084 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2085 #ifndef OPENSSL_NO_QUIC
2086 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2089 return s
->method
->ssl_connect(s
);
2095 if (sc
->handshake_func
== NULL
) {
2096 /* Not properly initialized yet */
2097 SSL_set_connect_state(s
);
2100 return SSL_do_handshake(s
);
2103 long SSL_get_default_timeout(const SSL
*s
)
2105 return (long int)ossl_time2seconds(s
->method
->get_timeout());
2108 static int ssl_async_wait_ctx_cb(void *arg
)
2110 SSL
*s
= (SSL
*)arg
;
2111 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2116 return sc
->async_cb(s
, sc
->async_cb_arg
);
2119 static int ssl_start_async_job(SSL
*s
, struct ssl_async_args
*args
,
2120 int (*func
) (void *))
2123 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2128 if (sc
->waitctx
== NULL
) {
2129 sc
->waitctx
= ASYNC_WAIT_CTX_new();
2130 if (sc
->waitctx
== NULL
)
2132 if (sc
->async_cb
!= NULL
2133 && !ASYNC_WAIT_CTX_set_callback
2134 (sc
->waitctx
, ssl_async_wait_ctx_cb
, s
))
2138 sc
->rwstate
= SSL_NOTHING
;
2139 switch (ASYNC_start_job(&sc
->job
, sc
->waitctx
, &ret
, func
, args
,
2140 sizeof(struct ssl_async_args
))) {
2142 sc
->rwstate
= SSL_NOTHING
;
2143 ERR_raise(ERR_LIB_SSL
, SSL_R_FAILED_TO_INIT_ASYNC
);
2146 sc
->rwstate
= SSL_ASYNC_PAUSED
;
2149 sc
->rwstate
= SSL_ASYNC_NO_JOBS
;
2155 sc
->rwstate
= SSL_NOTHING
;
2156 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
2157 /* Shouldn't happen */
2162 static int ssl_io_intern(void *vargs
)
2164 struct ssl_async_args
*args
;
2170 args
= (struct ssl_async_args
*)vargs
;
2174 if ((sc
= SSL_CONNECTION_FROM_SSL(s
)) == NULL
)
2177 switch (args
->type
) {
2179 return args
->f
.func_read(s
, buf
, num
, &sc
->asyncrw
);
2181 return args
->f
.func_write(s
, buf
, num
, &sc
->asyncrw
);
2183 return args
->f
.func_other(s
);
2188 int ssl_read_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2190 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2191 #ifndef OPENSSL_NO_QUIC
2192 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2195 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2201 if (sc
->handshake_func
== NULL
) {
2202 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2206 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2207 sc
->rwstate
= SSL_NOTHING
;
2211 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2212 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
) {
2213 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2217 * If we are a client and haven't received the ServerHello etc then we
2220 ossl_statem_check_finish_init(sc
, 0);
2222 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2223 struct ssl_async_args args
;
2229 args
.type
= READFUNC
;
2230 args
.f
.func_read
= s
->method
->ssl_read
;
2232 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2233 *readbytes
= sc
->asyncrw
;
2236 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2240 int SSL_read(SSL
*s
, void *buf
, int num
)
2246 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2250 ret
= ssl_read_internal(s
, buf
, (size_t)num
, &readbytes
);
2253 * The cast is safe here because ret should be <= INT_MAX because num is
2257 ret
= (int)readbytes
;
2262 int SSL_read_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2264 int ret
= ssl_read_internal(s
, buf
, num
, readbytes
);
2271 int SSL_read_early_data(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2274 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2276 /* TODO(QUIC): This will need special handling for QUIC */
2281 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2282 return SSL_READ_EARLY_DATA_ERROR
;
2285 switch (sc
->early_data_state
) {
2286 case SSL_EARLY_DATA_NONE
:
2287 if (!SSL_in_before(s
)) {
2288 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2289 return SSL_READ_EARLY_DATA_ERROR
;
2293 case SSL_EARLY_DATA_ACCEPT_RETRY
:
2294 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPTING
;
2295 ret
= SSL_accept(s
);
2298 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPT_RETRY
;
2299 return SSL_READ_EARLY_DATA_ERROR
;
2303 case SSL_EARLY_DATA_READ_RETRY
:
2304 if (sc
->ext
.early_data
== SSL_EARLY_DATA_ACCEPTED
) {
2305 sc
->early_data_state
= SSL_EARLY_DATA_READING
;
2306 ret
= SSL_read_ex(s
, buf
, num
, readbytes
);
2308 * State machine will update early_data_state to
2309 * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData
2312 if (ret
> 0 || (ret
<= 0 && sc
->early_data_state
2313 != SSL_EARLY_DATA_FINISHED_READING
)) {
2314 sc
->early_data_state
= SSL_EARLY_DATA_READ_RETRY
;
2315 return ret
> 0 ? SSL_READ_EARLY_DATA_SUCCESS
2316 : SSL_READ_EARLY_DATA_ERROR
;
2319 sc
->early_data_state
= SSL_EARLY_DATA_FINISHED_READING
;
2322 return SSL_READ_EARLY_DATA_FINISH
;
2325 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2326 return SSL_READ_EARLY_DATA_ERROR
;
2330 int SSL_get_early_data_status(const SSL
*s
)
2332 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
2334 /* TODO(QUIC): This will need special handling for QUIC */
2338 return sc
->ext
.early_data
;
2341 static int ssl_peek_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2343 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2344 #ifndef OPENSSL_NO_QUIC
2345 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2348 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2354 if (sc
->handshake_func
== NULL
) {
2355 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2359 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2362 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2363 struct ssl_async_args args
;
2369 args
.type
= READFUNC
;
2370 args
.f
.func_read
= s
->method
->ssl_peek
;
2372 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2373 *readbytes
= sc
->asyncrw
;
2376 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2380 int SSL_peek(SSL
*s
, void *buf
, int num
)
2386 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2390 ret
= ssl_peek_internal(s
, buf
, (size_t)num
, &readbytes
);
2393 * The cast is safe here because ret should be <= INT_MAX because num is
2397 ret
= (int)readbytes
;
2403 int SSL_peek_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2405 int ret
= ssl_peek_internal(s
, buf
, num
, readbytes
);
2412 int ssl_write_internal(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2414 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2415 #ifndef OPENSSL_NO_QUIC
2416 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2419 return s
->method
->ssl_write(s
, buf
, num
, written
);
2425 if (sc
->handshake_func
== NULL
) {
2426 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2430 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2431 sc
->rwstate
= SSL_NOTHING
;
2432 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2436 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2437 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
2438 || sc
->early_data_state
== SSL_EARLY_DATA_READ_RETRY
) {
2439 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2442 /* If we are a client and haven't sent the Finished we better do that */
2443 ossl_statem_check_finish_init(sc
, 1);
2445 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2447 struct ssl_async_args args
;
2450 args
.buf
= (void *)buf
;
2452 args
.type
= WRITEFUNC
;
2453 args
.f
.func_write
= s
->method
->ssl_write
;
2455 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2456 *written
= sc
->asyncrw
;
2459 return s
->method
->ssl_write(s
, buf
, num
, written
);
2463 ossl_ssize_t
SSL_sendfile(SSL
*s
, int fd
, off_t offset
, size_t size
, int flags
)
2466 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2471 if (sc
->handshake_func
== NULL
) {
2472 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2476 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2477 sc
->rwstate
= SSL_NOTHING
;
2478 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2482 if (!BIO_get_ktls_send(sc
->wbio
)) {
2483 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2487 /* If we have an alert to send, lets send it */
2488 if (sc
->s3
.alert_dispatch
> 0) {
2489 ret
= (ossl_ssize_t
)s
->method
->ssl_dispatch_alert(s
);
2491 /* SSLfatal() already called if appropriate */
2494 /* if it went, fall through and send more stuff */
2497 sc
->rwstate
= SSL_WRITING
;
2498 if (BIO_flush(sc
->wbio
) <= 0) {
2499 if (!BIO_should_retry(sc
->wbio
)) {
2500 sc
->rwstate
= SSL_NOTHING
;
2503 set_sys_error(EAGAIN
);
2509 #ifdef OPENSSL_NO_KTLS
2510 ERR_raise_data(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
,
2511 "can't call ktls_sendfile(), ktls disabled");
2514 ret
= ktls_sendfile(SSL_get_wfd(s
), fd
, offset
, size
, flags
);
2516 #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY)
2517 if ((get_last_sys_error() == EAGAIN
) ||
2518 (get_last_sys_error() == EINTR
) ||
2519 (get_last_sys_error() == EBUSY
))
2520 BIO_set_retry_write(sc
->wbio
);
2523 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2526 sc
->rwstate
= SSL_NOTHING
;
2531 int SSL_write(SSL
*s
, const void *buf
, int num
)
2537 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2541 ret
= ssl_write_internal(s
, buf
, (size_t)num
, &written
);
2544 * The cast is safe here because ret should be <= INT_MAX because num is
2553 int SSL_write_ex(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2555 int ret
= ssl_write_internal(s
, buf
, num
, written
);
2562 int SSL_write_early_data(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2564 int ret
, early_data_state
;
2566 uint32_t partialwrite
;
2567 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2569 /* TODO(QUIC): This will need special handling for QUIC */
2573 switch (sc
->early_data_state
) {
2574 case SSL_EARLY_DATA_NONE
:
2576 || !SSL_in_before(s
)
2577 || ((sc
->session
== NULL
|| sc
->session
->ext
.max_early_data
== 0)
2578 && (sc
->psk_use_session_cb
== NULL
))) {
2579 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2584 case SSL_EARLY_DATA_CONNECT_RETRY
:
2585 sc
->early_data_state
= SSL_EARLY_DATA_CONNECTING
;
2586 ret
= SSL_connect(s
);
2589 sc
->early_data_state
= SSL_EARLY_DATA_CONNECT_RETRY
;
2594 case SSL_EARLY_DATA_WRITE_RETRY
:
2595 sc
->early_data_state
= SSL_EARLY_DATA_WRITING
;
2597 * We disable partial write for early data because we don't keep track
2598 * of how many bytes we've written between the SSL_write_ex() call and
2599 * the flush if the flush needs to be retried)
2601 partialwrite
= sc
->mode
& SSL_MODE_ENABLE_PARTIAL_WRITE
;
2602 sc
->mode
&= ~SSL_MODE_ENABLE_PARTIAL_WRITE
;
2603 ret
= SSL_write_ex(s
, buf
, num
, &writtmp
);
2604 sc
->mode
|= partialwrite
;
2606 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2609 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_FLUSH
;
2612 case SSL_EARLY_DATA_WRITE_FLUSH
:
2613 /* The buffering BIO is still in place so we need to flush it */
2614 if (statem_flush(sc
) != 1)
2617 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2620 case SSL_EARLY_DATA_FINISHED_READING
:
2621 case SSL_EARLY_DATA_READ_RETRY
:
2622 early_data_state
= sc
->early_data_state
;
2623 /* We are a server writing to an unauthenticated client */
2624 sc
->early_data_state
= SSL_EARLY_DATA_UNAUTH_WRITING
;
2625 ret
= SSL_write_ex(s
, buf
, num
, written
);
2626 /* The buffering BIO is still in place */
2628 (void)BIO_flush(sc
->wbio
);
2629 sc
->early_data_state
= early_data_state
;
2633 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2638 int SSL_shutdown(SSL
*s
)
2641 * Note that this function behaves differently from what one might
2642 * expect. Return values are 0 for no success (yet), 1 for success; but
2643 * calling it once is usually not enough, even if blocking I/O is used
2644 * (see ssl3_shutdown).
2646 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2647 #ifndef OPENSSL_NO_QUIC
2648 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2651 return ossl_quic_conn_shutdown(qc
, 0, NULL
, 0);
2657 if (sc
->handshake_func
== NULL
) {
2658 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2662 if (!SSL_in_init(s
)) {
2663 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2664 struct ssl_async_args args
;
2666 memset(&args
, 0, sizeof(args
));
2668 args
.type
= OTHERFUNC
;
2669 args
.f
.func_other
= s
->method
->ssl_shutdown
;
2671 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
2673 return s
->method
->ssl_shutdown(s
);
2676 ERR_raise(ERR_LIB_SSL
, SSL_R_SHUTDOWN_WHILE_IN_INIT
);
2681 int SSL_key_update(SSL
*s
, int updatetype
)
2683 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2688 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
2689 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2693 if (updatetype
!= SSL_KEY_UPDATE_NOT_REQUESTED
2694 && updatetype
!= SSL_KEY_UPDATE_REQUESTED
) {
2695 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_KEY_UPDATE_TYPE
);
2699 if (!SSL_is_init_finished(s
)) {
2700 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
2704 if (RECORD_LAYER_write_pending(&sc
->rlayer
)) {
2705 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_WRITE_RETRY
);
2709 ossl_statem_set_in_init(sc
, 1);
2710 sc
->key_update
= updatetype
;
2714 int SSL_get_key_update_type(const SSL
*s
)
2716 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
2721 return sc
->key_update
;
2725 * Can we accept a renegotiation request? If yes, set the flag and
2726 * return 1 if yes. If not, raise error and return 0.
2728 static int can_renegotiate(const SSL_CONNECTION
*sc
)
2730 if (SSL_CONNECTION_IS_TLS13(sc
)) {
2731 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2735 if ((sc
->options
& SSL_OP_NO_RENEGOTIATION
) != 0) {
2736 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_RENEGOTIATION
);
2743 int SSL_renegotiate(SSL
*s
)
2745 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2750 if (!can_renegotiate(sc
))
2753 sc
->renegotiate
= 1;
2754 sc
->new_session
= 1;
2755 return s
->method
->ssl_renegotiate(s
);
2758 int SSL_renegotiate_abbreviated(SSL
*s
)
2760 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2765 if (!can_renegotiate(sc
))
2768 sc
->renegotiate
= 1;
2769 sc
->new_session
= 0;
2770 return s
->method
->ssl_renegotiate(s
);
2773 int SSL_renegotiate_pending(const SSL
*s
)
2775 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2781 * becomes true when negotiation is requested; false again once a
2782 * handshake has finished
2784 return (sc
->renegotiate
!= 0);
2787 int SSL_new_session_ticket(SSL
*s
)
2789 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2794 /* If we are in init because we're sending tickets, okay to send more. */
2795 if ((SSL_in_init(s
) && sc
->ext
.extra_tickets_expected
== 0)
2796 || SSL_IS_FIRST_HANDSHAKE(sc
) || !sc
->server
2797 || !SSL_CONNECTION_IS_TLS13(sc
))
2799 sc
->ext
.extra_tickets_expected
++;
2800 if (!RECORD_LAYER_write_pending(&sc
->rlayer
) && !SSL_in_init(s
))
2801 ossl_statem_set_in_init(sc
, 1);
2805 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
2808 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2810 /* TODO(QUIC): Special handling for some ctrls will be needed */
2815 case SSL_CTRL_GET_READ_AHEAD
:
2816 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2817 case SSL_CTRL_SET_READ_AHEAD
:
2818 l
= RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2819 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, larg
);
2822 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
2823 sc
->msg_callback_arg
= parg
;
2828 OSSL_PARAM options
[2], *opts
= options
;
2832 *opts
++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE
,
2834 *opts
= OSSL_PARAM_construct_end();
2836 /* Ignore return value */
2837 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
2841 case SSL_CTRL_CLEAR_MODE
:
2842 return (sc
->mode
&= ~larg
);
2843 case SSL_CTRL_GET_MAX_CERT_LIST
:
2844 return (long)sc
->max_cert_list
;
2845 case SSL_CTRL_SET_MAX_CERT_LIST
:
2848 l
= (long)sc
->max_cert_list
;
2849 sc
->max_cert_list
= (size_t)larg
;
2851 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
2852 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
2854 #ifndef OPENSSL_NO_KTLS
2855 if (sc
->wbio
!= NULL
&& BIO_get_ktls_send(sc
->wbio
))
2857 #endif /* OPENSSL_NO_KTLS */
2858 sc
->max_send_fragment
= larg
;
2859 if (sc
->max_send_fragment
< sc
->split_send_fragment
)
2860 sc
->split_send_fragment
= sc
->max_send_fragment
;
2861 sc
->rlayer
.wrlmethod
->set_max_frag_len(sc
->rlayer
.wrl
, larg
);
2863 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
2864 if ((size_t)larg
> sc
->max_send_fragment
|| larg
== 0)
2866 sc
->split_send_fragment
= larg
;
2868 case SSL_CTRL_SET_MAX_PIPELINES
:
2869 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
2871 sc
->max_pipelines
= larg
;
2872 if (sc
->rlayer
.rrlmethod
->set_max_pipelines
!= NULL
)
2873 sc
->rlayer
.rrlmethod
->set_max_pipelines(sc
->rlayer
.rrl
, (size_t)larg
);
2875 case SSL_CTRL_GET_RI_SUPPORT
:
2876 return sc
->s3
.send_connection_binding
;
2877 case SSL_CTRL_SET_RETRY_VERIFY
:
2878 sc
->rwstate
= SSL_RETRY_VERIFY
;
2880 case SSL_CTRL_CERT_FLAGS
:
2881 return (sc
->cert
->cert_flags
|= larg
);
2882 case SSL_CTRL_CLEAR_CERT_FLAGS
:
2883 return (sc
->cert
->cert_flags
&= ~larg
);
2885 case SSL_CTRL_GET_RAW_CIPHERLIST
:
2887 if (sc
->s3
.tmp
.ciphers_raw
== NULL
)
2889 *(unsigned char **)parg
= sc
->s3
.tmp
.ciphers_raw
;
2890 return (int)sc
->s3
.tmp
.ciphers_rawlen
;
2892 return TLS_CIPHER_LEN
;
2894 case SSL_CTRL_GET_EXTMS_SUPPORT
:
2895 if (!sc
->session
|| SSL_in_init(s
) || ossl_statem_get_in_handshake(sc
))
2897 if (sc
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
2901 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
2902 return ssl_check_allowed_versions(larg
, sc
->max_proto_version
)
2903 && ssl_set_version_bound(s
->defltmeth
->version
, (int)larg
,
2904 &sc
->min_proto_version
);
2905 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
2906 return sc
->min_proto_version
;
2907 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
2908 return ssl_check_allowed_versions(sc
->min_proto_version
, larg
)
2909 && ssl_set_version_bound(s
->defltmeth
->version
, (int)larg
,
2910 &sc
->max_proto_version
);
2911 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
2912 return sc
->max_proto_version
;
2914 return s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
);
2918 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
2920 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2926 case SSL_CTRL_SET_MSG_CALLBACK
:
2927 sc
->msg_callback
= (void (*)
2928 (int write_p
, int version
, int content_type
,
2929 const void *buf
, size_t len
, SSL
*ssl
,
2934 return s
->method
->ssl_callback_ctrl(s
, cmd
, fp
);
2938 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
2940 return ctx
->sessions
;
2943 static int ssl_tsan_load(SSL_CTX
*ctx
, TSAN_QUALIFIER
int *stat
)
2947 if (ssl_tsan_lock(ctx
)) {
2948 res
= tsan_load(stat
);
2949 ssl_tsan_unlock(ctx
);
2954 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
2957 /* For some cases with ctx == NULL perform syntax checks */
2960 case SSL_CTRL_SET_GROUPS_LIST
:
2961 return tls1_set_groups_list(ctx
, NULL
, NULL
, parg
);
2962 case SSL_CTRL_SET_SIGALGS_LIST
:
2963 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
2964 return tls1_set_sigalgs_list(NULL
, parg
, 0);
2971 case SSL_CTRL_GET_READ_AHEAD
:
2972 return ctx
->read_ahead
;
2973 case SSL_CTRL_SET_READ_AHEAD
:
2974 l
= ctx
->read_ahead
;
2975 ctx
->read_ahead
= larg
;
2978 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
2979 ctx
->msg_callback_arg
= parg
;
2982 case SSL_CTRL_GET_MAX_CERT_LIST
:
2983 return (long)ctx
->max_cert_list
;
2984 case SSL_CTRL_SET_MAX_CERT_LIST
:
2987 l
= (long)ctx
->max_cert_list
;
2988 ctx
->max_cert_list
= (size_t)larg
;
2991 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
2994 l
= (long)ctx
->session_cache_size
;
2995 ctx
->session_cache_size
= (size_t)larg
;
2997 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
2998 return (long)ctx
->session_cache_size
;
2999 case SSL_CTRL_SET_SESS_CACHE_MODE
:
3000 l
= ctx
->session_cache_mode
;
3001 ctx
->session_cache_mode
= larg
;
3003 case SSL_CTRL_GET_SESS_CACHE_MODE
:
3004 return ctx
->session_cache_mode
;
3006 case SSL_CTRL_SESS_NUMBER
:
3007 return lh_SSL_SESSION_num_items(ctx
->sessions
);
3008 case SSL_CTRL_SESS_CONNECT
:
3009 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect
);
3010 case SSL_CTRL_SESS_CONNECT_GOOD
:
3011 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_good
);
3012 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
3013 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_renegotiate
);
3014 case SSL_CTRL_SESS_ACCEPT
:
3015 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept
);
3016 case SSL_CTRL_SESS_ACCEPT_GOOD
:
3017 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_good
);
3018 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
3019 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_renegotiate
);
3020 case SSL_CTRL_SESS_HIT
:
3021 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_hit
);
3022 case SSL_CTRL_SESS_CB_HIT
:
3023 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cb_hit
);
3024 case SSL_CTRL_SESS_MISSES
:
3025 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_miss
);
3026 case SSL_CTRL_SESS_TIMEOUTS
:
3027 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_timeout
);
3028 case SSL_CTRL_SESS_CACHE_FULL
:
3029 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cache_full
);
3031 return (ctx
->mode
|= larg
);
3032 case SSL_CTRL_CLEAR_MODE
:
3033 return (ctx
->mode
&= ~larg
);
3034 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
3035 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
3037 ctx
->max_send_fragment
= larg
;
3038 if (ctx
->max_send_fragment
< ctx
->split_send_fragment
)
3039 ctx
->split_send_fragment
= ctx
->max_send_fragment
;
3041 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
3042 if ((size_t)larg
> ctx
->max_send_fragment
|| larg
== 0)
3044 ctx
->split_send_fragment
= larg
;
3046 case SSL_CTRL_SET_MAX_PIPELINES
:
3047 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
3049 ctx
->max_pipelines
= larg
;
3051 case SSL_CTRL_CERT_FLAGS
:
3052 return (ctx
->cert
->cert_flags
|= larg
);
3053 case SSL_CTRL_CLEAR_CERT_FLAGS
:
3054 return (ctx
->cert
->cert_flags
&= ~larg
);
3055 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
3056 return ssl_check_allowed_versions(larg
, ctx
->max_proto_version
)
3057 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3058 &ctx
->min_proto_version
);
3059 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
3060 return ctx
->min_proto_version
;
3061 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
3062 return ssl_check_allowed_versions(ctx
->min_proto_version
, larg
)
3063 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3064 &ctx
->max_proto_version
);
3065 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
3066 return ctx
->max_proto_version
;
3068 return ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
);
3072 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
3075 case SSL_CTRL_SET_MSG_CALLBACK
:
3076 ctx
->msg_callback
= (void (*)
3077 (int write_p
, int version
, int content_type
,
3078 const void *buf
, size_t len
, SSL
*ssl
,
3083 return ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
);
3087 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
3096 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
3097 const SSL_CIPHER
*const *bp
)
3099 if ((*ap
)->id
> (*bp
)->id
)
3101 if ((*ap
)->id
< (*bp
)->id
)
3107 * return a STACK of the ciphers available for the SSL and in order of
3110 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
3112 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3115 if (sc
->cipher_list
!= NULL
) {
3116 return sc
->cipher_list
;
3117 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
3118 return s
->ctx
->cipher_list
;
3124 STACK_OF(SSL_CIPHER
) *SSL_get_client_ciphers(const SSL
*s
)
3126 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3128 if (sc
== NULL
|| !sc
->server
)
3130 return sc
->peer_ciphers
;
3133 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
3135 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
3137 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3142 ciphers
= SSL_get_ciphers(s
);
3145 if (!ssl_set_client_disabled(sc
))
3147 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
3148 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
3149 if (!ssl_cipher_disabled(sc
, c
, SSL_SECOP_CIPHER_SUPPORTED
, 0)) {
3151 sk
= sk_SSL_CIPHER_new_null();
3154 if (!sk_SSL_CIPHER_push(sk
, c
)) {
3155 sk_SSL_CIPHER_free(sk
);
3163 /** return a STACK of the ciphers available for the SSL and in order of
3165 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL_CONNECTION
*s
)
3168 if (s
->cipher_list_by_id
!= NULL
)
3169 return s
->cipher_list_by_id
;
3170 else if (s
->ssl
.ctx
!= NULL
3171 && s
->ssl
.ctx
->cipher_list_by_id
!= NULL
)
3172 return s
->ssl
.ctx
->cipher_list_by_id
;
3177 /** The old interface to get the same thing as SSL_get_ciphers() */
3178 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
3180 const SSL_CIPHER
*c
;
3181 STACK_OF(SSL_CIPHER
) *sk
;
3185 sk
= SSL_get_ciphers(s
);
3186 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
3188 c
= sk_SSL_CIPHER_value(sk
, n
);
3194 /** return a STACK of the ciphers available for the SSL_CTX and in order of
3196 STACK_OF(SSL_CIPHER
) *SSL_CTX_get_ciphers(const SSL_CTX
*ctx
)
3199 return ctx
->cipher_list
;
3204 * Distinguish between ciphers controlled by set_ciphersuite() and
3205 * set_cipher_list() when counting.
3207 static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER
) *sk
)
3210 const SSL_CIPHER
*c
;
3214 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); ++i
) {
3215 c
= sk_SSL_CIPHER_value(sk
, i
);
3216 if (c
->min_tls
>= TLS1_3_VERSION
)
3223 /** specify the ciphers to be used by default by the SSL_CTX */
3224 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
3226 STACK_OF(SSL_CIPHER
) *sk
;
3228 sk
= ssl_create_cipher_list(ctx
, ctx
->tls13_ciphersuites
,
3229 &ctx
->cipher_list
, &ctx
->cipher_list_by_id
, str
,
3232 * ssl_create_cipher_list may return an empty stack if it was unable to
3233 * find a cipher matching the given rule string (for example if the rule
3234 * string specifies a cipher which has been disabled). This is not an
3235 * error as far as ssl_create_cipher_list is concerned, and hence
3236 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
3240 else if (cipher_list_tls12_num(sk
) == 0) {
3241 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3247 /** specify the ciphers to be used by the SSL */
3248 int SSL_set_cipher_list(SSL
*s
, const char *str
)
3250 STACK_OF(SSL_CIPHER
) *sk
;
3251 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3256 sk
= ssl_create_cipher_list(s
->ctx
, sc
->tls13_ciphersuites
,
3257 &sc
->cipher_list
, &sc
->cipher_list_by_id
, str
,
3259 /* see comment in SSL_CTX_set_cipher_list */
3262 else if (cipher_list_tls12_num(sk
) == 0) {
3263 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3269 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int size
)
3272 STACK_OF(SSL_CIPHER
) *clntsk
, *srvrsk
;
3273 const SSL_CIPHER
*c
;
3275 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3281 || sc
->peer_ciphers
== NULL
3286 clntsk
= sc
->peer_ciphers
;
3287 srvrsk
= SSL_get_ciphers(s
);
3288 if (clntsk
== NULL
|| srvrsk
== NULL
)
3291 if (sk_SSL_CIPHER_num(clntsk
) == 0 || sk_SSL_CIPHER_num(srvrsk
) == 0)
3294 for (i
= 0; i
< sk_SSL_CIPHER_num(clntsk
); i
++) {
3297 c
= sk_SSL_CIPHER_value(clntsk
, i
);
3298 if (sk_SSL_CIPHER_find(srvrsk
, c
) < 0)
3301 n
= strlen(c
->name
);
3318 * Return the requested servername (SNI) value. Note that the behaviour varies
3320 * - whether this is called by the client or the server,
3321 * - if we are before or during/after the handshake,
3322 * - if a resumption or normal handshake is being attempted/has occurred
3323 * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3
3325 * Note that only the host_name type is defined (RFC 3546).
3327 const char *SSL_get_servername(const SSL
*s
, const int type
)
3329 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3336 * If we don't know if we are the client or the server yet then we assume
3339 server
= sc
->handshake_func
== NULL
? 0 : sc
->server
;
3341 if (type
!= TLSEXT_NAMETYPE_host_name
)
3347 * In TLSv1.3 on the server SNI is not associated with the session
3348 * but in TLSv1.2 or below it is.
3350 * Before the handshake:
3353 * During/after the handshake (TLSv1.2 or below resumption occurred):
3354 * - If a servername was accepted by the server in the original
3355 * handshake then it will return that servername, or NULL otherwise.
3357 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3358 * - The function will return the servername requested by the client in
3359 * this handshake or NULL if none was requested.
3361 if (sc
->hit
&& !SSL_CONNECTION_IS_TLS13(sc
))
3362 return sc
->session
->ext
.hostname
;
3367 * Before the handshake:
3368 * - If a servername has been set via a call to
3369 * SSL_set_tlsext_host_name() then it will return that servername
3370 * - If one has not been set, but a TLSv1.2 resumption is being
3371 * attempted and the session from the original handshake had a
3372 * servername accepted by the server then it will return that
3374 * - Otherwise it returns NULL
3376 * During/after the handshake (TLSv1.2 or below resumption occurred):
3377 * - If the session from the original handshake had a servername accepted
3378 * by the server then it will return that servername.
3379 * - Otherwise it returns the servername set via
3380 * SSL_set_tlsext_host_name() (or NULL if it was not called).
3382 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3383 * - It will return the servername set via SSL_set_tlsext_host_name()
3384 * (or NULL if it was not called).
3386 if (SSL_in_before(s
)) {
3387 if (sc
->ext
.hostname
== NULL
3388 && sc
->session
!= NULL
3389 && sc
->session
->ssl_version
!= TLS1_3_VERSION
)
3390 return sc
->session
->ext
.hostname
;
3392 if (!SSL_CONNECTION_IS_TLS13(sc
) && sc
->hit
3393 && sc
->session
->ext
.hostname
!= NULL
)
3394 return sc
->session
->ext
.hostname
;
3398 return sc
->ext
.hostname
;
3401 int SSL_get_servername_type(const SSL
*s
)
3403 if (SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
) != NULL
)
3404 return TLSEXT_NAMETYPE_host_name
;
3409 * SSL_select_next_proto implements the standard protocol selection. It is
3410 * expected that this function is called from the callback set by
3411 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
3412 * vector of 8-bit, length prefixed byte strings. The length byte itself is
3413 * not included in the length. A byte string of length 0 is invalid. No byte
3414 * string may be truncated. The current, but experimental algorithm for
3415 * selecting the protocol is: 1) If the server doesn't support NPN then this
3416 * is indicated to the callback. In this case, the client application has to
3417 * abort the connection or have a default application level protocol. 2) If
3418 * the server supports NPN, but advertises an empty list then the client
3419 * selects the first protocol in its list, but indicates via the API that this
3420 * fallback case was enacted. 3) Otherwise, the client finds the first
3421 * protocol in the server's list that it supports and selects this protocol.
3422 * This is because it's assumed that the server has better information about
3423 * which protocol a client should use. 4) If the client doesn't support any
3424 * of the server's advertised protocols, then this is treated the same as
3425 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
3426 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
3428 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
3429 const unsigned char *server
,
3430 unsigned int server_len
,
3431 const unsigned char *client
, unsigned int client_len
)
3434 const unsigned char *result
;
3435 int status
= OPENSSL_NPN_UNSUPPORTED
;
3438 * For each protocol in server preference order, see if we support it.
3440 for (i
= 0; i
< server_len
;) {
3441 for (j
= 0; j
< client_len
;) {
3442 if (server
[i
] == client
[j
] &&
3443 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
3444 /* We found a match */
3445 result
= &server
[i
];
3446 status
= OPENSSL_NPN_NEGOTIATED
;
3456 /* There's no overlap between our protocols and the server's list. */
3458 status
= OPENSSL_NPN_NO_OVERLAP
;
3461 *out
= (unsigned char *)result
+ 1;
3462 *outlen
= result
[0];
3466 #ifndef OPENSSL_NO_NEXTPROTONEG
3468 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
3469 * client's requested protocol for this connection and returns 0. If the
3470 * client didn't request any protocol, then *data is set to NULL. Note that
3471 * the client can request any protocol it chooses. The value returned from
3472 * this function need not be a member of the list of supported protocols
3473 * provided by the callback.
3475 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
3478 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3481 /* We have no other way to indicate error */
3487 *data
= sc
->ext
.npn
;
3488 if (*data
== NULL
) {
3491 *len
= (unsigned int)sc
->ext
.npn_len
;
3496 * SSL_CTX_set_npn_advertised_cb sets a callback that is called when
3497 * a TLS server needs a list of supported protocols for Next Protocol
3498 * Negotiation. The returned list must be in wire format. The list is
3499 * returned by setting |out| to point to it and |outlen| to its length. This
3500 * memory will not be modified, but one should assume that the SSL* keeps a
3501 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
3502 * wishes to advertise. Otherwise, no such extension will be included in the
3505 void SSL_CTX_set_npn_advertised_cb(SSL_CTX
*ctx
,
3506 SSL_CTX_npn_advertised_cb_func cb
,
3509 ctx
->ext
.npn_advertised_cb
= cb
;
3510 ctx
->ext
.npn_advertised_cb_arg
= arg
;
3514 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
3515 * client needs to select a protocol from the server's provided list. |out|
3516 * must be set to point to the selected protocol (which may be within |in|).
3517 * The length of the protocol name must be written into |outlen|. The
3518 * server's advertised protocols are provided in |in| and |inlen|. The
3519 * callback can assume that |in| is syntactically valid. The client must
3520 * select a protocol. It is fatal to the connection if this callback returns
3521 * a value other than SSL_TLSEXT_ERR_OK.
3523 void SSL_CTX_set_npn_select_cb(SSL_CTX
*ctx
,
3524 SSL_CTX_npn_select_cb_func cb
,
3527 ctx
->ext
.npn_select_cb
= cb
;
3528 ctx
->ext
.npn_select_cb_arg
= arg
;
3532 static int alpn_value_ok(const unsigned char *protos
, unsigned int protos_len
)
3536 if (protos_len
< 2 || protos
== NULL
)
3539 for (idx
= 0; idx
< protos_len
; idx
+= protos
[idx
] + 1) {
3540 if (protos
[idx
] == 0)
3543 return idx
== protos_len
;
3546 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
3547 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3548 * length-prefixed strings). Returns 0 on success.
3550 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
3551 unsigned int protos_len
)
3553 unsigned char *alpn
;
3555 if (protos_len
== 0 || protos
== NULL
) {
3556 OPENSSL_free(ctx
->ext
.alpn
);
3557 ctx
->ext
.alpn
= NULL
;
3558 ctx
->ext
.alpn_len
= 0;
3561 /* Not valid per RFC */
3562 if (!alpn_value_ok(protos
, protos_len
))
3565 alpn
= OPENSSL_memdup(protos
, protos_len
);
3568 OPENSSL_free(ctx
->ext
.alpn
);
3569 ctx
->ext
.alpn
= alpn
;
3570 ctx
->ext
.alpn_len
= protos_len
;
3576 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
3577 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3578 * length-prefixed strings). Returns 0 on success.
3580 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
3581 unsigned int protos_len
)
3583 unsigned char *alpn
;
3584 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
3589 if (protos_len
== 0 || protos
== NULL
) {
3590 OPENSSL_free(sc
->ext
.alpn
);
3591 sc
->ext
.alpn
= NULL
;
3592 sc
->ext
.alpn_len
= 0;
3595 /* Not valid per RFC */
3596 if (!alpn_value_ok(protos
, protos_len
))
3599 alpn
= OPENSSL_memdup(protos
, protos_len
);
3602 OPENSSL_free(sc
->ext
.alpn
);
3603 sc
->ext
.alpn
= alpn
;
3604 sc
->ext
.alpn_len
= protos_len
;
3610 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
3611 * called during ClientHello processing in order to select an ALPN protocol
3612 * from the client's list of offered protocols.
3614 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
3615 SSL_CTX_alpn_select_cb_func cb
,
3618 ctx
->ext
.alpn_select_cb
= cb
;
3619 ctx
->ext
.alpn_select_cb_arg
= arg
;
3623 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
3624 * On return it sets |*data| to point to |*len| bytes of protocol name
3625 * (not including the leading length-prefix byte). If the server didn't
3626 * respond with a negotiated protocol then |*len| will be zero.
3628 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
3631 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
3634 /* We have no other way to indicate error */
3640 *data
= sc
->s3
.alpn_selected
;
3644 *len
= (unsigned int)sc
->s3
.alpn_selected_len
;
3647 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
3648 const char *label
, size_t llen
,
3649 const unsigned char *context
, size_t contextlen
,
3652 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3657 if (sc
->session
== NULL
3658 || (sc
->version
< TLS1_VERSION
&& sc
->version
!= DTLS1_BAD_VER
))
3661 return s
->method
->ssl3_enc
->export_keying_material(sc
, out
, olen
, label
,
3663 contextlen
, use_context
);
3666 int SSL_export_keying_material_early(SSL
*s
, unsigned char *out
, size_t olen
,
3667 const char *label
, size_t llen
,
3668 const unsigned char *context
,
3671 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3676 if (sc
->version
!= TLS1_3_VERSION
)
3679 return tls13_export_keying_material_early(sc
, out
, olen
, label
, llen
,
3680 context
, contextlen
);
3683 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
3685 const unsigned char *session_id
= a
->session_id
;
3687 unsigned char tmp_storage
[4];
3689 if (a
->session_id_length
< sizeof(tmp_storage
)) {
3690 memset(tmp_storage
, 0, sizeof(tmp_storage
));
3691 memcpy(tmp_storage
, a
->session_id
, a
->session_id_length
);
3692 session_id
= tmp_storage
;
3696 ((unsigned long)session_id
[0]) |
3697 ((unsigned long)session_id
[1] << 8L) |
3698 ((unsigned long)session_id
[2] << 16L) |
3699 ((unsigned long)session_id
[3] << 24L);
3704 * NB: If this function (or indeed the hash function which uses a sort of
3705 * coarser function than this one) is changed, ensure
3706 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
3707 * being able to construct an SSL_SESSION that will collide with any existing
3708 * session with a matching session ID.
3710 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
3712 if (a
->ssl_version
!= b
->ssl_version
)
3714 if (a
->session_id_length
!= b
->session_id_length
)
3716 return memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
);
3720 * These wrapper functions should remain rather than redeclaring
3721 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
3722 * variable. The reason is that the functions aren't static, they're exposed
3726 SSL_CTX
*SSL_CTX_new_ex(OSSL_LIB_CTX
*libctx
, const char *propq
,
3727 const SSL_METHOD
*meth
)
3729 SSL_CTX
*ret
= NULL
;
3730 #ifndef OPENSSL_NO_COMP_ALG
3735 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_METHOD_PASSED
);
3739 if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
, NULL
))
3742 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
3743 ERR_raise(ERR_LIB_SSL
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
3746 ret
= OPENSSL_zalloc(sizeof(*ret
));
3750 /* Init the reference counting before any call to SSL_CTX_free */
3751 ret
->references
= 1;
3752 ret
->lock
= CRYPTO_THREAD_lock_new();
3753 if (ret
->lock
== NULL
) {
3754 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3758 #ifdef TSAN_REQUIRES_LOCKING
3759 ret
->tsan_lock
= CRYPTO_THREAD_lock_new();
3760 if (ret
->tsan_lock
== NULL
) {
3761 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3766 ret
->libctx
= libctx
;
3767 if (propq
!= NULL
) {
3768 ret
->propq
= OPENSSL_strdup(propq
);
3769 if (ret
->propq
== NULL
)
3774 ret
->min_proto_version
= 0;
3775 ret
->max_proto_version
= 0;
3776 ret
->mode
= SSL_MODE_AUTO_RETRY
;
3777 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
3778 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
3779 /* We take the system default. */
3780 ret
->session_timeout
= meth
->get_timeout();
3781 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
3782 ret
->verify_mode
= SSL_VERIFY_NONE
;
3784 ret
->sessions
= lh_SSL_SESSION_new(ssl_session_hash
, ssl_session_cmp
);
3785 if (ret
->sessions
== NULL
) {
3786 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3789 ret
->cert_store
= X509_STORE_new();
3790 if (ret
->cert_store
== NULL
) {
3791 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3794 #ifndef OPENSSL_NO_CT
3795 ret
->ctlog_store
= CTLOG_STORE_new_ex(libctx
, propq
);
3796 if (ret
->ctlog_store
== NULL
) {
3797 ERR_raise(ERR_LIB_SSL
, ERR_R_CT_LIB
);
3802 /* initialize cipher/digest methods table */
3803 if (!ssl_load_ciphers(ret
)) {
3804 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3808 if (!ssl_load_groups(ret
)) {
3809 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3813 /* load provider sigalgs */
3814 if (!ssl_load_sigalgs(ret
)) {
3815 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3819 /* initialise sig algs */
3820 if (!ssl_setup_sigalgs(ret
)) {
3821 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3825 if (!SSL_CTX_set_ciphersuites(ret
, OSSL_default_ciphersuites())) {
3826 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3830 if ((ret
->cert
= ssl_cert_new(SSL_PKEY_NUM
+ ret
->sigalg_list_len
)) == NULL
) {
3831 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3835 if (!ssl_create_cipher_list(ret
,
3836 ret
->tls13_ciphersuites
,
3837 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
3838 OSSL_default_cipher_list(), ret
->cert
)
3839 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
3840 ERR_raise(ERR_LIB_SSL
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
3844 ret
->param
= X509_VERIFY_PARAM_new();
3845 if (ret
->param
== NULL
) {
3846 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3851 * If these aren't available from the provider we'll get NULL returns.
3852 * That's fine but will cause errors later if SSLv3 is negotiated
3854 ret
->md5
= ssl_evp_md_fetch(libctx
, NID_md5
, propq
);
3855 ret
->sha1
= ssl_evp_md_fetch(libctx
, NID_sha1
, propq
);
3857 if ((ret
->ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3858 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3862 if ((ret
->client_ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3863 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3867 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
)) {
3868 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3872 if ((ret
->ext
.secure
= OPENSSL_secure_zalloc(sizeof(*ret
->ext
.secure
))) == NULL
)
3875 /* No compression for DTLS */
3876 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
3877 ret
->comp_methods
= SSL_COMP_get_compression_methods();
3879 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3880 ret
->split_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3882 /* Setup RFC5077 ticket keys */
3883 if ((RAND_bytes_ex(libctx
, ret
->ext
.tick_key_name
,
3884 sizeof(ret
->ext
.tick_key_name
), 0) <= 0)
3885 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_hmac_key
,
3886 sizeof(ret
->ext
.secure
->tick_hmac_key
), 0) <= 0)
3887 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_aes_key
,
3888 sizeof(ret
->ext
.secure
->tick_aes_key
), 0) <= 0))
3889 ret
->options
|= SSL_OP_NO_TICKET
;
3891 if (RAND_priv_bytes_ex(libctx
, ret
->ext
.cookie_hmac_key
,
3892 sizeof(ret
->ext
.cookie_hmac_key
), 0) <= 0) {
3893 ERR_raise(ERR_LIB_SSL
, ERR_R_RAND_LIB
);
3897 #ifndef OPENSSL_NO_SRP
3898 if (!ssl_ctx_srp_ctx_init_intern(ret
)) {
3899 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3903 #ifndef OPENSSL_NO_ENGINE
3904 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
3905 # define eng_strx(x) #x
3906 # define eng_str(x) eng_strx(x)
3907 /* Use specific client engine automatically... ignore errors */
3910 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
3913 ENGINE_load_builtin_engines();
3914 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
3916 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
3922 #ifndef OPENSSL_NO_COMP_ALG
3924 * Set the default order: brotli, zlib, zstd
3925 * Including only those enabled algorithms
3927 memset(ret
->cert_comp_prefs
, 0, sizeof(ret
->cert_comp_prefs
));
3929 if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli
))
3930 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_brotli
;
3931 if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib
))
3932 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zlib
;
3933 if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd
))
3934 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zstd
;
3937 * Disable compression by default to prevent CRIME. Applications can
3938 * re-enable compression by configuring
3939 * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION);
3940 * or by using the SSL_CONF library. Similarly we also enable TLSv1.3
3941 * middlebox compatibility by default. This may be disabled by default in
3942 * a later OpenSSL version.
3944 ret
->options
|= SSL_OP_NO_COMPRESSION
| SSL_OP_ENABLE_MIDDLEBOX_COMPAT
;
3946 ret
->ext
.status_type
= TLSEXT_STATUSTYPE_nothing
;
3949 * We cannot usefully set a default max_early_data here (which gets
3950 * propagated in SSL_new(), for the following reason: setting the
3951 * SSL field causes tls_construct_stoc_early_data() to tell the
3952 * client that early data will be accepted when constructing a TLS 1.3
3953 * session ticket, and the client will accordingly send us early data
3954 * when using that ticket (if the client has early data to send).
3955 * However, in order for the early data to actually be consumed by
3956 * the application, the application must also have calls to
3957 * SSL_read_early_data(); otherwise we'll just skip past the early data
3958 * and ignore it. So, since the application must add calls to
3959 * SSL_read_early_data(), we also require them to add
3960 * calls to SSL_CTX_set_max_early_data() in order to use early data,
3961 * eliminating the bandwidth-wasting early data in the case described
3964 ret
->max_early_data
= 0;
3967 * Default recv_max_early_data is a fully loaded single record. Could be
3968 * split across multiple records in practice. We set this differently to
3969 * max_early_data so that, in the default case, we do not advertise any
3970 * support for early_data, but if a client were to send us some (e.g.
3971 * because of an old, stale ticket) then we will tolerate it and skip over
3974 ret
->recv_max_early_data
= SSL3_RT_MAX_PLAIN_LENGTH
;
3976 /* By default we send two session tickets automatically in TLSv1.3 */
3977 ret
->num_tickets
= 2;
3979 ssl_ctx_system_config(ret
);
3987 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
3989 return SSL_CTX_new_ex(NULL
, NULL
, meth
);
3992 int SSL_CTX_up_ref(SSL_CTX
*ctx
)
3996 if (CRYPTO_UP_REF(&ctx
->references
, &i
, ctx
->lock
) <= 0)
3999 REF_PRINT_COUNT("SSL_CTX", ctx
);
4000 REF_ASSERT_ISNT(i
< 2);
4001 return ((i
> 1) ? 1 : 0);
4004 void SSL_CTX_free(SSL_CTX
*a
)
4012 CRYPTO_DOWN_REF(&a
->references
, &i
, a
->lock
);
4013 REF_PRINT_COUNT("SSL_CTX", a
);
4016 REF_ASSERT_ISNT(i
< 0);
4018 X509_VERIFY_PARAM_free(a
->param
);
4019 dane_ctx_final(&a
->dane
);
4022 * Free internal session cache. However: the remove_cb() may reference
4023 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
4024 * after the sessions were flushed.
4025 * As the ex_data handling routines might also touch the session cache,
4026 * the most secure solution seems to be: empty (flush) the cache, then
4027 * free ex_data, then finally free the cache.
4028 * (See ticket [openssl.org #212].)
4030 if (a
->sessions
!= NULL
)
4031 SSL_CTX_flush_sessions(a
, 0);
4033 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
4034 lh_SSL_SESSION_free(a
->sessions
);
4035 X509_STORE_free(a
->cert_store
);
4036 #ifndef OPENSSL_NO_CT
4037 CTLOG_STORE_free(a
->ctlog_store
);
4039 sk_SSL_CIPHER_free(a
->cipher_list
);
4040 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
4041 sk_SSL_CIPHER_free(a
->tls13_ciphersuites
);
4042 ssl_cert_free(a
->cert
);
4043 sk_X509_NAME_pop_free(a
->ca_names
, X509_NAME_free
);
4044 sk_X509_NAME_pop_free(a
->client_ca_names
, X509_NAME_free
);
4045 OSSL_STACK_OF_X509_free(a
->extra_certs
);
4046 a
->comp_methods
= NULL
;
4047 #ifndef OPENSSL_NO_SRTP
4048 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
4050 #ifndef OPENSSL_NO_SRP
4051 ssl_ctx_srp_ctx_free_intern(a
);
4053 #ifndef OPENSSL_NO_ENGINE
4054 tls_engine_finish(a
->client_cert_engine
);
4057 OPENSSL_free(a
->ext
.ecpointformats
);
4058 OPENSSL_free(a
->ext
.supportedgroups
);
4059 OPENSSL_free(a
->ext
.supported_groups_default
);
4060 OPENSSL_free(a
->ext
.alpn
);
4061 OPENSSL_secure_free(a
->ext
.secure
);
4063 ssl_evp_md_free(a
->md5
);
4064 ssl_evp_md_free(a
->sha1
);
4066 for (j
= 0; j
< SSL_ENC_NUM_IDX
; j
++)
4067 ssl_evp_cipher_free(a
->ssl_cipher_methods
[j
]);
4068 for (j
= 0; j
< SSL_MD_NUM_IDX
; j
++)
4069 ssl_evp_md_free(a
->ssl_digest_methods
[j
]);
4070 for (j
= 0; j
< a
->group_list_len
; j
++) {
4071 OPENSSL_free(a
->group_list
[j
].tlsname
);
4072 OPENSSL_free(a
->group_list
[j
].realname
);
4073 OPENSSL_free(a
->group_list
[j
].algorithm
);
4075 OPENSSL_free(a
->group_list
);
4076 for (j
= 0; j
< a
->sigalg_list_len
; j
++) {
4077 OPENSSL_free(a
->sigalg_list
[j
].name
);
4078 OPENSSL_free(a
->sigalg_list
[j
].sigalg_name
);
4079 OPENSSL_free(a
->sigalg_list
[j
].sigalg_oid
);
4080 OPENSSL_free(a
->sigalg_list
[j
].sig_name
);
4081 OPENSSL_free(a
->sigalg_list
[j
].sig_oid
);
4082 OPENSSL_free(a
->sigalg_list
[j
].hash_name
);
4083 OPENSSL_free(a
->sigalg_list
[j
].hash_oid
);
4084 OPENSSL_free(a
->sigalg_list
[j
].keytype
);
4085 OPENSSL_free(a
->sigalg_list
[j
].keytype_oid
);
4087 OPENSSL_free(a
->sigalg_list
);
4088 OPENSSL_free(a
->ssl_cert_info
);
4090 OPENSSL_free(a
->sigalg_lookup_cache
);
4091 OPENSSL_free(a
->tls12_sigalgs
);
4093 CRYPTO_THREAD_lock_free(a
->lock
);
4094 #ifdef TSAN_REQUIRES_LOCKING
4095 CRYPTO_THREAD_lock_free(a
->tsan_lock
);
4098 OPENSSL_free(a
->propq
);
4103 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
4105 ctx
->default_passwd_callback
= cb
;
4108 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
4110 ctx
->default_passwd_callback_userdata
= u
;
4113 pem_password_cb
*SSL_CTX_get_default_passwd_cb(SSL_CTX
*ctx
)
4115 return ctx
->default_passwd_callback
;
4118 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX
*ctx
)
4120 return ctx
->default_passwd_callback_userdata
;
4123 void SSL_set_default_passwd_cb(SSL
*s
, pem_password_cb
*cb
)
4125 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4130 sc
->default_passwd_callback
= cb
;
4133 void SSL_set_default_passwd_cb_userdata(SSL
*s
, void *u
)
4135 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4140 sc
->default_passwd_callback_userdata
= u
;
4143 pem_password_cb
*SSL_get_default_passwd_cb(SSL
*s
)
4145 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4150 return sc
->default_passwd_callback
;
4153 void *SSL_get_default_passwd_cb_userdata(SSL
*s
)
4155 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4160 return sc
->default_passwd_callback_userdata
;
4163 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
4164 int (*cb
) (X509_STORE_CTX
*, void *),
4167 ctx
->app_verify_callback
= cb
;
4168 ctx
->app_verify_arg
= arg
;
4171 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
4172 int (*cb
) (int, X509_STORE_CTX
*))
4174 ctx
->verify_mode
= mode
;
4175 ctx
->default_verify_callback
= cb
;
4178 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
4180 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
4183 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4185 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
4188 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4190 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4195 ssl_cert_set_cert_cb(sc
->cert
, cb
, arg
);
4198 void ssl_set_masks(SSL_CONNECTION
*s
)
4201 uint32_t *pvalid
= s
->s3
.tmp
.valid_flags
;
4202 int rsa_enc
, rsa_sign
, dh_tmp
, dsa_sign
;
4203 unsigned long mask_k
, mask_a
;
4204 int have_ecc_cert
, ecdsa_ok
;
4209 dh_tmp
= (c
->dh_tmp
!= NULL
4210 || c
->dh_tmp_cb
!= NULL
4213 rsa_enc
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4214 rsa_sign
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4215 dsa_sign
= pvalid
[SSL_PKEY_DSA_SIGN
] & CERT_PKEY_VALID
;
4216 have_ecc_cert
= pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_VALID
;
4220 OSSL_TRACE4(TLS_CIPHER
, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n",
4221 dh_tmp
, rsa_enc
, rsa_sign
, dsa_sign
);
4223 #ifndef OPENSSL_NO_GOST
4224 if (ssl_has_cert(s
, SSL_PKEY_GOST12_512
)) {
4225 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4226 mask_a
|= SSL_aGOST12
;
4228 if (ssl_has_cert(s
, SSL_PKEY_GOST12_256
)) {
4229 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4230 mask_a
|= SSL_aGOST12
;
4232 if (ssl_has_cert(s
, SSL_PKEY_GOST01
)) {
4233 mask_k
|= SSL_kGOST
;
4234 mask_a
|= SSL_aGOST01
;
4245 * If we only have an RSA-PSS certificate allow RSA authentication
4246 * if TLS 1.2 and peer supports it.
4249 if (rsa_enc
|| rsa_sign
|| (ssl_has_cert(s
, SSL_PKEY_RSA_PSS_SIGN
)
4250 && pvalid
[SSL_PKEY_RSA_PSS_SIGN
] & CERT_PKEY_EXPLICIT_SIGN
4251 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
))
4258 mask_a
|= SSL_aNULL
;
4261 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
4262 * depending on the key usage extension.
4264 if (have_ecc_cert
) {
4266 ex_kusage
= X509_get_key_usage(c
->pkeys
[SSL_PKEY_ECC
].x509
);
4267 ecdsa_ok
= ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
;
4268 if (!(pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_SIGN
))
4271 mask_a
|= SSL_aECDSA
;
4273 /* Allow Ed25519 for TLS 1.2 if peer supports it */
4274 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED25519
)
4275 && pvalid
[SSL_PKEY_ED25519
] & CERT_PKEY_EXPLICIT_SIGN
4276 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4277 mask_a
|= SSL_aECDSA
;
4279 /* Allow Ed448 for TLS 1.2 if peer supports it */
4280 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED448
)
4281 && pvalid
[SSL_PKEY_ED448
] & CERT_PKEY_EXPLICIT_SIGN
4282 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4283 mask_a
|= SSL_aECDSA
;
4285 mask_k
|= SSL_kECDHE
;
4287 #ifndef OPENSSL_NO_PSK
4290 if (mask_k
& SSL_kRSA
)
4291 mask_k
|= SSL_kRSAPSK
;
4292 if (mask_k
& SSL_kDHE
)
4293 mask_k
|= SSL_kDHEPSK
;
4294 if (mask_k
& SSL_kECDHE
)
4295 mask_k
|= SSL_kECDHEPSK
;
4298 s
->s3
.tmp
.mask_k
= mask_k
;
4299 s
->s3
.tmp
.mask_a
= mask_a
;
4302 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL_CONNECTION
*s
)
4304 if (s
->s3
.tmp
.new_cipher
->algorithm_auth
& SSL_aECDSA
) {
4305 /* key usage, if present, must allow signing */
4306 if (!(X509_get_key_usage(x
) & X509v3_KU_DIGITAL_SIGNATURE
)) {
4307 ERR_raise(ERR_LIB_SSL
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
4311 return 1; /* all checks are ok */
4314 int ssl_get_server_cert_serverinfo(SSL_CONNECTION
*s
,
4315 const unsigned char **serverinfo
,
4316 size_t *serverinfo_length
)
4318 CERT_PKEY
*cpk
= s
->s3
.tmp
.cert
;
4319 *serverinfo_length
= 0;
4321 if (cpk
== NULL
|| cpk
->serverinfo
== NULL
)
4324 *serverinfo
= cpk
->serverinfo
;
4325 *serverinfo_length
= cpk
->serverinfo_length
;
4329 void ssl_update_cache(SSL_CONNECTION
*s
, int mode
)
4334 * If the session_id_length is 0, we are not supposed to cache it, and it
4335 * would be rather hard to do anyway :-)
4337 if (s
->session
->session_id_length
== 0)
4341 * If sid_ctx_length is 0 there is no specific application context
4342 * associated with this session, so when we try to resume it and
4343 * SSL_VERIFY_PEER is requested to verify the client identity, we have no
4344 * indication that this is actually a session for the proper application
4345 * context, and the *handshake* will fail, not just the resumption attempt.
4346 * Do not cache (on the server) these sessions that are not resumable
4347 * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set).
4349 if (s
->server
&& s
->session
->sid_ctx_length
== 0
4350 && (s
->verify_mode
& SSL_VERIFY_PEER
) != 0)
4353 i
= s
->session_ctx
->session_cache_mode
;
4355 && (!s
->hit
|| SSL_CONNECTION_IS_TLS13(s
))) {
4357 * Add the session to the internal cache. In server side TLSv1.3 we
4358 * normally don't do this because by default it's a full stateless ticket
4359 * with only a dummy session id so there is no reason to cache it,
4361 * - we are doing early_data, in which case we cache so that we can
4363 * - the application has set a remove_session_cb so needs to know about
4364 * session timeout events
4365 * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket
4367 if ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
) == 0
4368 && (!SSL_CONNECTION_IS_TLS13(s
)
4370 || (s
->max_early_data
> 0
4371 && (s
->options
& SSL_OP_NO_ANTI_REPLAY
) == 0)
4372 || s
->session_ctx
->remove_session_cb
!= NULL
4373 || (s
->options
& SSL_OP_NO_TICKET
) != 0))
4374 SSL_CTX_add_session(s
->session_ctx
, s
->session
);
4377 * Add the session to the external cache. We do this even in server side
4378 * TLSv1.3 without early data because some applications just want to
4379 * know about the creation of a session and aren't doing a full cache.
4381 if (s
->session_ctx
->new_session_cb
!= NULL
) {
4382 SSL_SESSION_up_ref(s
->session
);
4383 if (!s
->session_ctx
->new_session_cb(SSL_CONNECTION_GET_SSL(s
),
4385 SSL_SESSION_free(s
->session
);
4389 /* auto flush every 255 connections */
4390 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
4391 TSAN_QUALIFIER
int *stat
;
4393 if (mode
& SSL_SESS_CACHE_CLIENT
)
4394 stat
= &s
->session_ctx
->stats
.sess_connect_good
;
4396 stat
= &s
->session_ctx
->stats
.sess_accept_good
;
4397 if ((ssl_tsan_load(s
->session_ctx
, stat
) & 0xff) == 0xff)
4398 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
4402 const SSL_METHOD
*SSL_CTX_get_ssl_method(const SSL_CTX
*ctx
)
4407 const SSL_METHOD
*SSL_get_ssl_method(const SSL
*s
)
4412 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
4415 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4417 /* TODO(QUIC): Do we want this for QUIC? */
4419 || (s
->type
!= SSL_TYPE_SSL_CONNECTION
&& s
->method
!= meth
))
4422 if (s
->method
!= meth
) {
4423 const SSL_METHOD
*sm
= s
->method
;
4424 int (*hf
) (SSL
*) = sc
->handshake_func
;
4426 if (sm
->version
== meth
->version
)
4431 ret
= s
->method
->ssl_init(s
);
4434 if (hf
== sm
->ssl_connect
)
4435 sc
->handshake_func
= meth
->ssl_connect
;
4436 else if (hf
== sm
->ssl_accept
)
4437 sc
->handshake_func
= meth
->ssl_accept
;
4442 int SSL_get_error(const SSL
*s
, int i
)
4447 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4448 #ifndef OPENSSL_NO_QUIC
4449 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
4453 return SSL_ERROR_NONE
;
4455 #ifndef OPENSSL_NO_QUIC
4457 reason
= ossl_quic_get_error(qc
, i
);
4458 if (reason
!= SSL_ERROR_NONE
)
4464 return SSL_ERROR_SSL
;
4467 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
4468 * where we do encode the error
4470 if ((l
= ERR_peek_error()) != 0) {
4471 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
4472 return SSL_ERROR_SYSCALL
;
4474 return SSL_ERROR_SSL
;
4477 #ifndef OPENSSL_NO_QUIC
4481 if (SSL_want_read(s
)) {
4482 bio
= SSL_get_rbio(s
);
4483 if (BIO_should_read(bio
))
4484 return SSL_ERROR_WANT_READ
;
4485 else if (BIO_should_write(bio
))
4487 * This one doesn't make too much sense ... We never try to
4488 * write to the rbio, and an application program where rbio and
4489 * wbio are separate couldn't even know what it should wait for.
4490 * However if we ever set s->rwstate incorrectly (so that we
4491 * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio
4492 * and wbio *are* the same, this test works around that bug; so
4493 * it might be safer to keep it.
4495 return SSL_ERROR_WANT_WRITE
;
4496 else if (BIO_should_io_special(bio
)) {
4497 reason
= BIO_get_retry_reason(bio
);
4498 if (reason
== BIO_RR_CONNECT
)
4499 return SSL_ERROR_WANT_CONNECT
;
4500 else if (reason
== BIO_RR_ACCEPT
)
4501 return SSL_ERROR_WANT_ACCEPT
;
4503 return SSL_ERROR_SYSCALL
; /* unknown */
4507 if (SSL_want_write(s
)) {
4509 * Access wbio directly - in order to use the buffered bio if
4513 if (BIO_should_write(bio
))
4514 return SSL_ERROR_WANT_WRITE
;
4515 else if (BIO_should_read(bio
))
4517 * See above (SSL_want_read(s) with BIO_should_write(bio))
4519 return SSL_ERROR_WANT_READ
;
4520 else if (BIO_should_io_special(bio
)) {
4521 reason
= BIO_get_retry_reason(bio
);
4522 if (reason
== BIO_RR_CONNECT
)
4523 return SSL_ERROR_WANT_CONNECT
;
4524 else if (reason
== BIO_RR_ACCEPT
)
4525 return SSL_ERROR_WANT_ACCEPT
;
4527 return SSL_ERROR_SYSCALL
;
4532 if (SSL_want_x509_lookup(s
))
4533 return SSL_ERROR_WANT_X509_LOOKUP
;
4534 if (SSL_want_retry_verify(s
))
4535 return SSL_ERROR_WANT_RETRY_VERIFY
;
4536 if (SSL_want_async(s
))
4537 return SSL_ERROR_WANT_ASYNC
;
4538 if (SSL_want_async_job(s
))
4539 return SSL_ERROR_WANT_ASYNC_JOB
;
4540 if (SSL_want_client_hello_cb(s
))
4541 return SSL_ERROR_WANT_CLIENT_HELLO_CB
;
4543 if ((sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
4544 (sc
->s3
.warn_alert
== SSL_AD_CLOSE_NOTIFY
))
4545 return SSL_ERROR_ZERO_RETURN
;
4547 return SSL_ERROR_SYSCALL
;
4550 static int ssl_do_handshake_intern(void *vargs
)
4552 struct ssl_async_args
*args
= (struct ssl_async_args
*)vargs
;
4554 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4559 return sc
->handshake_func(s
);
4562 int SSL_do_handshake(SSL
*s
)
4565 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4566 #ifndef OPENSSL_NO_QUIC
4567 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4570 return ossl_quic_do_handshake(qc
);
4573 if (sc
->handshake_func
== NULL
) {
4574 ERR_raise(ERR_LIB_SSL
, SSL_R_CONNECTION_TYPE_NOT_SET
);
4578 ossl_statem_check_finish_init(sc
, -1);
4580 s
->method
->ssl_renegotiate_check(s
, 0);
4582 if (SSL_in_init(s
) || SSL_in_before(s
)) {
4583 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
4584 struct ssl_async_args args
;
4586 memset(&args
, 0, sizeof(args
));
4589 ret
= ssl_start_async_job(s
, &args
, ssl_do_handshake_intern
);
4591 ret
= sc
->handshake_func(s
);
4597 void SSL_set_accept_state(SSL
*s
)
4599 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4600 #ifndef OPENSSL_NO_QUIC
4601 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4604 ossl_quic_set_accept_state(qc
);
4611 ossl_statem_clear(sc
);
4612 sc
->handshake_func
= s
->method
->ssl_accept
;
4613 /* Ignore return value. Its a void public API function */
4614 clear_record_layer(sc
);
4617 void SSL_set_connect_state(SSL
*s
)
4619 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4620 #ifndef OPENSSL_NO_QUIC
4621 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4624 ossl_quic_set_connect_state(qc
);
4631 ossl_statem_clear(sc
);
4632 sc
->handshake_func
= s
->method
->ssl_connect
;
4633 /* Ignore return value. Its a void public API function */
4634 clear_record_layer(sc
);
4637 int ssl_undefined_function(SSL
*s
)
4639 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4643 int ssl_undefined_void_function(void)
4645 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4649 int ssl_undefined_const_function(const SSL
*s
)
4654 const SSL_METHOD
*ssl_bad_method(int ver
)
4656 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4660 const char *ssl_protocol_to_string(int version
)
4664 case TLS1_3_VERSION
:
4667 case TLS1_2_VERSION
:
4670 case TLS1_1_VERSION
:
4685 case DTLS1_2_VERSION
:
4693 const char *SSL_get_version(const SSL
*s
)
4695 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4700 return ssl_protocol_to_string(sc
->version
);
4703 static int dup_ca_names(STACK_OF(X509_NAME
) **dst
, STACK_OF(X509_NAME
) *src
)
4705 STACK_OF(X509_NAME
) *sk
;
4714 if ((sk
= sk_X509_NAME_new_null()) == NULL
)
4716 for (i
= 0; i
< sk_X509_NAME_num(src
); i
++) {
4717 xn
= X509_NAME_dup(sk_X509_NAME_value(src
, i
));
4719 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4722 if (sk_X509_NAME_insert(sk
, xn
, i
) == 0) {
4724 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4733 SSL
*SSL_dup(SSL
*s
)
4737 /* TODO(QUIC): Add a SSL_METHOD function for duplication */
4738 SSL_CONNECTION
*retsc
;
4739 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4744 /* If we're not quiescent, just up_ref! */
4745 if (!SSL_in_init(s
) || !SSL_in_before(s
)) {
4746 CRYPTO_UP_REF(&s
->references
, &i
, s
->lock
);
4751 * Otherwise, copy configuration state, and session if set.
4753 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
4755 if ((retsc
= SSL_CONNECTION_FROM_SSL_ONLY(ret
)) == NULL
)
4758 if (sc
->session
!= NULL
) {
4760 * Arranges to share the same session via up_ref. This "copies"
4761 * session-id, SSL_METHOD, sid_ctx, and 'cert'
4763 if (!SSL_copy_session_id(ret
, s
))
4767 * No session has been established yet, so we have to expect that
4768 * s->cert or ret->cert will be changed later -- they should not both
4769 * point to the same object, and thus we can't use
4770 * SSL_copy_session_id.
4772 if (!SSL_set_ssl_method(ret
, s
->method
))
4775 if (sc
->cert
!= NULL
) {
4776 ssl_cert_free(retsc
->cert
);
4777 retsc
->cert
= ssl_cert_dup(sc
->cert
);
4778 if (retsc
->cert
== NULL
)
4782 if (!SSL_set_session_id_context(ret
, sc
->sid_ctx
,
4783 (int)sc
->sid_ctx_length
))
4787 if (!ssl_dane_dup(retsc
, sc
))
4789 retsc
->version
= sc
->version
;
4790 retsc
->options
= sc
->options
;
4791 retsc
->min_proto_version
= sc
->min_proto_version
;
4792 retsc
->max_proto_version
= sc
->max_proto_version
;
4793 retsc
->mode
= sc
->mode
;
4794 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
4795 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
4796 retsc
->msg_callback
= sc
->msg_callback
;
4797 retsc
->msg_callback_arg
= sc
->msg_callback_arg
;
4798 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
4799 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
4800 retsc
->generate_session_id
= sc
->generate_session_id
;
4802 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
4804 /* copy app data, a little dangerous perhaps */
4805 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
4808 retsc
->server
= sc
->server
;
4809 if (sc
->handshake_func
) {
4811 SSL_set_accept_state(ret
);
4813 SSL_set_connect_state(ret
);
4815 retsc
->shutdown
= sc
->shutdown
;
4816 retsc
->hit
= sc
->hit
;
4818 retsc
->default_passwd_callback
= sc
->default_passwd_callback
;
4819 retsc
->default_passwd_callback_userdata
= sc
->default_passwd_callback_userdata
;
4821 X509_VERIFY_PARAM_inherit(retsc
->param
, sc
->param
);
4823 /* dup the cipher_list and cipher_list_by_id stacks */
4824 if (sc
->cipher_list
!= NULL
) {
4825 if ((retsc
->cipher_list
= sk_SSL_CIPHER_dup(sc
->cipher_list
)) == NULL
)
4828 if (sc
->cipher_list_by_id
!= NULL
)
4829 if ((retsc
->cipher_list_by_id
= sk_SSL_CIPHER_dup(sc
->cipher_list_by_id
))
4833 /* Dup the client_CA list */
4834 if (!dup_ca_names(&retsc
->ca_names
, sc
->ca_names
)
4835 || !dup_ca_names(&retsc
->client_ca_names
, sc
->client_ca_names
))
4845 X509
*SSL_get_certificate(const SSL
*s
)
4847 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4852 if (sc
->cert
!= NULL
)
4853 return sc
->cert
->key
->x509
;
4858 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
4860 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4865 if (sc
->cert
!= NULL
)
4866 return sc
->cert
->key
->privatekey
;
4871 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
4873 if (ctx
->cert
!= NULL
)
4874 return ctx
->cert
->key
->x509
;
4879 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
4881 if (ctx
->cert
!= NULL
)
4882 return ctx
->cert
->key
->privatekey
;
4887 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
4889 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4894 if ((sc
->session
!= NULL
) && (sc
->session
->cipher
!= NULL
))
4895 return sc
->session
->cipher
;
4899 const SSL_CIPHER
*SSL_get_pending_cipher(const SSL
*s
)
4901 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4906 return sc
->s3
.tmp
.new_cipher
;
4909 const COMP_METHOD
*SSL_get_current_compression(const SSL
*s
)
4911 #ifndef OPENSSL_NO_COMP
4912 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4917 return sc
->rlayer
.wrlmethod
->get_compression(sc
->rlayer
.wrl
);
4923 const COMP_METHOD
*SSL_get_current_expansion(const SSL
*s
)
4925 #ifndef OPENSSL_NO_COMP
4926 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4931 return sc
->rlayer
.rrlmethod
->get_compression(sc
->rlayer
.rrl
);
4937 int ssl_init_wbio_buffer(SSL_CONNECTION
*s
)
4941 if (s
->bbio
!= NULL
) {
4942 /* Already buffered. */
4946 bbio
= BIO_new(BIO_f_buffer());
4947 if (bbio
== NULL
|| BIO_set_read_buffer_size(bbio
, 1) <= 0) {
4949 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
4953 s
->wbio
= BIO_push(bbio
, s
->wbio
);
4955 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
4960 int ssl_free_wbio_buffer(SSL_CONNECTION
*s
)
4962 /* callers ensure s is never null */
4963 if (s
->bbio
== NULL
)
4966 s
->wbio
= BIO_pop(s
->wbio
);
4967 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
4975 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
4977 ctx
->quiet_shutdown
= mode
;
4980 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
4982 return ctx
->quiet_shutdown
;
4985 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
4987 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4989 /* TODO(QUIC): Do we want this for QUIC? */
4993 sc
->quiet_shutdown
= mode
;
4996 int SSL_get_quiet_shutdown(const SSL
*s
)
4998 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
5000 /* TODO(QUIC): Do we want this for QUIC? */
5004 return sc
->quiet_shutdown
;
5007 void SSL_set_shutdown(SSL
*s
, int mode
)
5009 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
5011 /* TODO(QUIC): Do we want this for QUIC? */
5015 sc
->shutdown
= mode
;
5018 int SSL_get_shutdown(const SSL
*s
)
5020 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
5022 /* TODO(QUIC): Do we want this for QUIC? */
5026 return sc
->shutdown
;
5029 int SSL_version(const SSL
*s
)
5031 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5033 /* TODO(QUIC): Do we want to report QUIC version this way instead? */
5040 int SSL_client_version(const SSL
*s
)
5042 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5044 /* TODO(QUIC): Do we want to report QUIC version this way instead? */
5048 return sc
->client_version
;
5051 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
5056 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
5059 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
5061 /* TODO(QUIC): Do we need this for QUIC support? */
5065 if (ssl
->ctx
== ctx
)
5068 ctx
= sc
->session_ctx
;
5069 new_cert
= ssl_cert_dup(ctx
->cert
);
5070 if (new_cert
== NULL
) {
5074 if (!custom_exts_copy_flags(&new_cert
->custext
, &sc
->cert
->custext
)) {
5075 ssl_cert_free(new_cert
);
5079 ssl_cert_free(sc
->cert
);
5080 sc
->cert
= new_cert
;
5083 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
5084 * so setter APIs must prevent invalid lengths from entering the system.
5086 if (!ossl_assert(sc
->sid_ctx_length
<= sizeof(sc
->sid_ctx
)))
5090 * If the session ID context matches that of the parent SSL_CTX,
5091 * inherit it from the new SSL_CTX as well. If however the context does
5092 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
5093 * leave it unchanged.
5095 if ((ssl
->ctx
!= NULL
) &&
5096 (sc
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
5097 (memcmp(sc
->sid_ctx
, ssl
->ctx
->sid_ctx
, sc
->sid_ctx_length
) == 0)) {
5098 sc
->sid_ctx_length
= ctx
->sid_ctx_length
;
5099 memcpy(&sc
->sid_ctx
, &ctx
->sid_ctx
, sizeof(sc
->sid_ctx
));
5102 SSL_CTX_up_ref(ctx
);
5103 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
5109 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
5111 return X509_STORE_set_default_paths_ex(ctx
->cert_store
, ctx
->libctx
,
5115 int SSL_CTX_set_default_verify_dir(SSL_CTX
*ctx
)
5117 X509_LOOKUP
*lookup
;
5119 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_hash_dir());
5123 /* We ignore errors, in case the directory doesn't exist */
5126 X509_LOOKUP_add_dir(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
5133 int SSL_CTX_set_default_verify_file(SSL_CTX
*ctx
)
5135 X509_LOOKUP
*lookup
;
5137 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_file());
5141 /* We ignore errors, in case the file doesn't exist */
5144 X509_LOOKUP_load_file_ex(lookup
, NULL
, X509_FILETYPE_DEFAULT
, ctx
->libctx
,
5152 int SSL_CTX_set_default_verify_store(SSL_CTX
*ctx
)
5154 X509_LOOKUP
*lookup
;
5156 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_store());
5160 /* We ignore errors, in case the directory doesn't exist */
5163 X509_LOOKUP_add_store_ex(lookup
, NULL
, ctx
->libctx
, ctx
->propq
);
5170 int SSL_CTX_load_verify_file(SSL_CTX
*ctx
, const char *CAfile
)
5172 return X509_STORE_load_file_ex(ctx
->cert_store
, CAfile
, ctx
->libctx
,
5176 int SSL_CTX_load_verify_dir(SSL_CTX
*ctx
, const char *CApath
)
5178 return X509_STORE_load_path(ctx
->cert_store
, CApath
);
5181 int SSL_CTX_load_verify_store(SSL_CTX
*ctx
, const char *CAstore
)
5183 return X509_STORE_load_store_ex(ctx
->cert_store
, CAstore
, ctx
->libctx
,
5187 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
5190 if (CAfile
== NULL
&& CApath
== NULL
)
5192 if (CAfile
!= NULL
&& !SSL_CTX_load_verify_file(ctx
, CAfile
))
5194 if (CApath
!= NULL
&& !SSL_CTX_load_verify_dir(ctx
, CApath
))
5199 void SSL_set_info_callback(SSL
*ssl
,
5200 void (*cb
) (const SSL
*ssl
, int type
, int val
))
5202 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5207 sc
->info_callback
= cb
;
5211 * One compiler (Diab DCC) doesn't like argument names in returned function
5214 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
5217 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5222 return sc
->info_callback
;
5225 void SSL_set_verify_result(SSL
*ssl
, long arg
)
5227 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5232 sc
->verify_result
= arg
;
5235 long SSL_get_verify_result(const SSL
*ssl
)
5237 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5242 return sc
->verify_result
;
5245 size_t SSL_get_client_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5247 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5253 return sizeof(sc
->s3
.client_random
);
5254 if (outlen
> sizeof(sc
->s3
.client_random
))
5255 outlen
= sizeof(sc
->s3
.client_random
);
5256 memcpy(out
, sc
->s3
.client_random
, outlen
);
5260 size_t SSL_get_server_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5262 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5268 return sizeof(sc
->s3
.server_random
);
5269 if (outlen
> sizeof(sc
->s3
.server_random
))
5270 outlen
= sizeof(sc
->s3
.server_random
);
5271 memcpy(out
, sc
->s3
.server_random
, outlen
);
5275 size_t SSL_SESSION_get_master_key(const SSL_SESSION
*session
,
5276 unsigned char *out
, size_t outlen
)
5279 return session
->master_key_length
;
5280 if (outlen
> session
->master_key_length
)
5281 outlen
= session
->master_key_length
;
5282 memcpy(out
, session
->master_key
, outlen
);
5286 int SSL_SESSION_set1_master_key(SSL_SESSION
*sess
, const unsigned char *in
,
5289 if (len
> sizeof(sess
->master_key
))
5292 memcpy(sess
->master_key
, in
, len
);
5293 sess
->master_key_length
= len
;
5298 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
5300 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5303 void *SSL_get_ex_data(const SSL
*s
, int idx
)
5305 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5308 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
5310 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5313 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
5315 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5318 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
5320 return ctx
->cert_store
;
5323 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5325 X509_STORE_free(ctx
->cert_store
);
5326 ctx
->cert_store
= store
;
5329 void SSL_CTX_set1_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5332 X509_STORE_up_ref(store
);
5333 SSL_CTX_set_cert_store(ctx
, store
);
5336 int SSL_want(const SSL
*s
)
5338 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5346 #ifndef OPENSSL_NO_PSK
5347 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
5349 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5350 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5353 OPENSSL_free(ctx
->cert
->psk_identity_hint
);
5354 if (identity_hint
!= NULL
) {
5355 ctx
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5356 if (ctx
->cert
->psk_identity_hint
== NULL
)
5359 ctx
->cert
->psk_identity_hint
= NULL
;
5363 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
5365 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5370 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5371 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5374 OPENSSL_free(sc
->cert
->psk_identity_hint
);
5375 if (identity_hint
!= NULL
) {
5376 sc
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5377 if (sc
->cert
->psk_identity_hint
== NULL
)
5380 sc
->cert
->psk_identity_hint
= NULL
;
5384 const char *SSL_get_psk_identity_hint(const SSL
*s
)
5386 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5388 if (sc
== NULL
|| sc
->session
== NULL
)
5391 return sc
->session
->psk_identity_hint
;
5394 const char *SSL_get_psk_identity(const SSL
*s
)
5396 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5398 if (sc
== NULL
|| sc
->session
== NULL
)
5401 return sc
->session
->psk_identity
;
5404 void SSL_set_psk_client_callback(SSL
*s
, SSL_psk_client_cb_func cb
)
5406 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5411 sc
->psk_client_callback
= cb
;
5414 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
, SSL_psk_client_cb_func cb
)
5416 ctx
->psk_client_callback
= cb
;
5419 void SSL_set_psk_server_callback(SSL
*s
, SSL_psk_server_cb_func cb
)
5421 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5426 sc
->psk_server_callback
= cb
;
5429 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
, SSL_psk_server_cb_func cb
)
5431 ctx
->psk_server_callback
= cb
;
5435 void SSL_set_psk_find_session_callback(SSL
*s
, SSL_psk_find_session_cb_func cb
)
5437 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5442 sc
->psk_find_session_cb
= cb
;
5445 void SSL_CTX_set_psk_find_session_callback(SSL_CTX
*ctx
,
5446 SSL_psk_find_session_cb_func cb
)
5448 ctx
->psk_find_session_cb
= cb
;
5451 void SSL_set_psk_use_session_callback(SSL
*s
, SSL_psk_use_session_cb_func cb
)
5453 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5458 sc
->psk_use_session_cb
= cb
;
5461 void SSL_CTX_set_psk_use_session_callback(SSL_CTX
*ctx
,
5462 SSL_psk_use_session_cb_func cb
)
5464 ctx
->psk_use_session_cb
= cb
;
5467 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
5468 void (*cb
) (int write_p
, int version
,
5469 int content_type
, const void *buf
,
5470 size_t len
, SSL
*ssl
, void *arg
))
5472 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5475 void SSL_set_msg_callback(SSL
*ssl
,
5476 void (*cb
) (int write_p
, int version
,
5477 int content_type
, const void *buf
,
5478 size_t len
, SSL
*ssl
, void *arg
))
5480 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5483 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
5484 int (*cb
) (SSL
*ssl
,
5488 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5489 (void (*)(void))cb
);
5492 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
5493 int (*cb
) (SSL
*ssl
,
5494 int is_forward_secure
))
5496 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5497 (void (*)(void))cb
);
5500 void SSL_CTX_set_record_padding_callback(SSL_CTX
*ctx
,
5501 size_t (*cb
) (SSL
*ssl
, int type
,
5502 size_t len
, void *arg
))
5504 ctx
->record_padding_cb
= cb
;
5507 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX
*ctx
, void *arg
)
5509 ctx
->record_padding_arg
= arg
;
5512 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX
*ctx
)
5514 return ctx
->record_padding_arg
;
5517 int SSL_CTX_set_block_padding(SSL_CTX
*ctx
, size_t block_size
)
5519 /* block size of 0 or 1 is basically no padding */
5520 if (block_size
== 1)
5521 ctx
->block_padding
= 0;
5522 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5523 ctx
->block_padding
= block_size
;
5529 int SSL_set_record_padding_callback(SSL
*ssl
,
5530 size_t (*cb
) (SSL
*ssl
, int type
,
5531 size_t len
, void *arg
))
5534 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5539 b
= SSL_get_wbio(ssl
);
5540 if (b
== NULL
|| !BIO_get_ktls_send(b
)) {
5541 sc
->rlayer
.record_padding_cb
= cb
;
5547 void SSL_set_record_padding_callback_arg(SSL
*ssl
, void *arg
)
5549 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5554 sc
->rlayer
.record_padding_arg
= arg
;
5557 void *SSL_get_record_padding_callback_arg(const SSL
*ssl
)
5559 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5564 return sc
->rlayer
.record_padding_arg
;
5567 int SSL_set_block_padding(SSL
*ssl
, size_t block_size
)
5569 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5574 /* block size of 0 or 1 is basically no padding */
5575 if (block_size
== 1)
5576 sc
->rlayer
.block_padding
= 0;
5577 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5578 sc
->rlayer
.block_padding
= block_size
;
5584 int SSL_set_num_tickets(SSL
*s
, size_t num_tickets
)
5586 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5591 sc
->num_tickets
= num_tickets
;
5596 size_t SSL_get_num_tickets(const SSL
*s
)
5598 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5603 return sc
->num_tickets
;
5606 int SSL_CTX_set_num_tickets(SSL_CTX
*ctx
, size_t num_tickets
)
5608 ctx
->num_tickets
= num_tickets
;
5613 size_t SSL_CTX_get_num_tickets(const SSL_CTX
*ctx
)
5615 return ctx
->num_tickets
;
5618 /* Retrieve handshake hashes */
5619 int ssl_handshake_hash(SSL_CONNECTION
*s
,
5620 unsigned char *out
, size_t outlen
,
5623 EVP_MD_CTX
*ctx
= NULL
;
5624 EVP_MD_CTX
*hdgst
= s
->s3
.handshake_dgst
;
5625 int hashleni
= EVP_MD_CTX_get_size(hdgst
);
5628 if (hashleni
< 0 || (size_t)hashleni
> outlen
) {
5629 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5633 ctx
= EVP_MD_CTX_new();
5635 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5639 if (!EVP_MD_CTX_copy_ex(ctx
, hdgst
)
5640 || EVP_DigestFinal_ex(ctx
, out
, NULL
) <= 0) {
5641 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5645 *hashlen
= hashleni
;
5649 EVP_MD_CTX_free(ctx
);
5653 int SSL_session_reused(const SSL
*s
)
5655 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5663 int SSL_is_server(const SSL
*s
)
5665 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5673 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
5674 void SSL_set_debug(SSL
*s
, int debug
)
5676 /* Old function was do-nothing anyway... */
5682 void SSL_set_security_level(SSL
*s
, int level
)
5684 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5689 sc
->cert
->sec_level
= level
;
5692 int SSL_get_security_level(const SSL
*s
)
5694 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5699 return sc
->cert
->sec_level
;
5702 void SSL_set_security_callback(SSL
*s
,
5703 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5704 int op
, int bits
, int nid
,
5705 void *other
, void *ex
))
5707 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5712 sc
->cert
->sec_cb
= cb
;
5715 int (*SSL_get_security_callback(const SSL
*s
)) (const SSL
*s
,
5716 const SSL_CTX
*ctx
, int op
,
5717 int bits
, int nid
, void *other
,
5719 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5724 return sc
->cert
->sec_cb
;
5727 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
5729 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5734 sc
->cert
->sec_ex
= ex
;
5737 void *SSL_get0_security_ex_data(const SSL
*s
)
5739 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5744 return sc
->cert
->sec_ex
;
5747 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
5749 ctx
->cert
->sec_level
= level
;
5752 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
5754 return ctx
->cert
->sec_level
;
5757 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
5758 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5759 int op
, int bits
, int nid
,
5760 void *other
, void *ex
))
5762 ctx
->cert
->sec_cb
= cb
;
5765 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (const SSL
*s
,
5771 return ctx
->cert
->sec_cb
;
5774 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
5776 ctx
->cert
->sec_ex
= ex
;
5779 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
5781 return ctx
->cert
->sec_ex
;
5784 uint64_t SSL_CTX_get_options(const SSL_CTX
*ctx
)
5786 return ctx
->options
;
5789 uint64_t SSL_get_options(const SSL
*s
)
5791 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5799 uint64_t SSL_CTX_set_options(SSL_CTX
*ctx
, uint64_t op
)
5801 return ctx
->options
|= op
;
5804 uint64_t SSL_set_options(SSL
*s
, uint64_t op
)
5806 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5807 OSSL_PARAM options
[2], *opts
= options
;
5814 *opts
++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS
,
5816 *opts
= OSSL_PARAM_construct_end();
5818 /* Ignore return value */
5819 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
5824 uint64_t SSL_CTX_clear_options(SSL_CTX
*ctx
, uint64_t op
)
5826 return ctx
->options
&= ~op
;
5829 uint64_t SSL_clear_options(SSL
*s
, uint64_t op
)
5831 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5836 return sc
->options
&= ~op
;
5839 STACK_OF(X509
) *SSL_get0_verified_chain(const SSL
*s
)
5841 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5846 return sc
->verified_chain
;
5849 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);
5851 #ifndef OPENSSL_NO_CT
5854 * Moves SCTs from the |src| stack to the |dst| stack.
5855 * The source of each SCT will be set to |origin|.
5856 * If |dst| points to a NULL pointer, a new stack will be created and owned by
5858 * Returns the number of SCTs moved, or a negative integer if an error occurs.
5860 static int ct_move_scts(STACK_OF(SCT
) **dst
, STACK_OF(SCT
) *src
,
5861 sct_source_t origin
)
5867 *dst
= sk_SCT_new_null();
5869 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
5874 while ((sct
= sk_SCT_pop(src
)) != NULL
) {
5875 if (SCT_set_source(sct
, origin
) != 1)
5878 if (sk_SCT_push(*dst
, sct
) <= 0)
5886 sk_SCT_push(src
, sct
); /* Put the SCT back */
5891 * Look for data collected during ServerHello and parse if found.
5892 * Returns the number of SCTs extracted.
5894 static int ct_extract_tls_extension_scts(SSL_CONNECTION
*s
)
5896 int scts_extracted
= 0;
5898 if (s
->ext
.scts
!= NULL
) {
5899 const unsigned char *p
= s
->ext
.scts
;
5900 STACK_OF(SCT
) *scts
= o2i_SCT_LIST(NULL
, &p
, s
->ext
.scts_len
);
5902 scts_extracted
= ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_TLS_EXTENSION
);
5904 SCT_LIST_free(scts
);
5907 return scts_extracted
;
5911 * Checks for an OCSP response and then attempts to extract any SCTs found if it
5912 * contains an SCT X509 extension. They will be stored in |s->scts|.
5914 * - The number of SCTs extracted, assuming an OCSP response exists.
5915 * - 0 if no OCSP response exists or it contains no SCTs.
5916 * - A negative integer if an error occurs.
5918 static int ct_extract_ocsp_response_scts(SSL_CONNECTION
*s
)
5920 # ifndef OPENSSL_NO_OCSP
5921 int scts_extracted
= 0;
5922 const unsigned char *p
;
5923 OCSP_BASICRESP
*br
= NULL
;
5924 OCSP_RESPONSE
*rsp
= NULL
;
5925 STACK_OF(SCT
) *scts
= NULL
;
5928 if (s
->ext
.ocsp
.resp
== NULL
|| s
->ext
.ocsp
.resp_len
== 0)
5931 p
= s
->ext
.ocsp
.resp
;
5932 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, (int)s
->ext
.ocsp
.resp_len
);
5936 br
= OCSP_response_get1_basic(rsp
);
5940 for (i
= 0; i
< OCSP_resp_count(br
); ++i
) {
5941 OCSP_SINGLERESP
*single
= OCSP_resp_get0(br
, i
);
5947 OCSP_SINGLERESP_get1_ext_d2i(single
, NID_ct_cert_scts
, NULL
, NULL
);
5949 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_OCSP_STAPLED_RESPONSE
);
5950 if (scts_extracted
< 0)
5954 SCT_LIST_free(scts
);
5955 OCSP_BASICRESP_free(br
);
5956 OCSP_RESPONSE_free(rsp
);
5957 return scts_extracted
;
5959 /* Behave as if no OCSP response exists */
5965 * Attempts to extract SCTs from the peer certificate.
5966 * Return the number of SCTs extracted, or a negative integer if an error
5969 static int ct_extract_x509v3_extension_scts(SSL_CONNECTION
*s
)
5971 int scts_extracted
= 0;
5972 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
5975 STACK_OF(SCT
) *scts
=
5976 X509_get_ext_d2i(cert
, NID_ct_precert_scts
, NULL
, NULL
);
5979 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_X509V3_EXTENSION
);
5981 SCT_LIST_free(scts
);
5984 return scts_extracted
;
5988 * Attempts to find all received SCTs by checking TLS extensions, the OCSP
5989 * response (if it exists) and X509v3 extensions in the certificate.
5990 * Returns NULL if an error occurs.
5992 const STACK_OF(SCT
) *SSL_get0_peer_scts(SSL
*s
)
5994 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5999 if (!sc
->scts_parsed
) {
6000 if (ct_extract_tls_extension_scts(sc
) < 0 ||
6001 ct_extract_ocsp_response_scts(sc
) < 0 ||
6002 ct_extract_x509v3_extension_scts(sc
) < 0)
6005 sc
->scts_parsed
= 1;
6012 static int ct_permissive(const CT_POLICY_EVAL_CTX
* ctx
,
6013 const STACK_OF(SCT
) *scts
, void *unused_arg
)
6018 static int ct_strict(const CT_POLICY_EVAL_CTX
* ctx
,
6019 const STACK_OF(SCT
) *scts
, void *unused_arg
)
6021 int count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
6024 for (i
= 0; i
< count
; ++i
) {
6025 SCT
*sct
= sk_SCT_value(scts
, i
);
6026 int status
= SCT_get_validation_status(sct
);
6028 if (status
== SCT_VALIDATION_STATUS_VALID
)
6031 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_VALID_SCTS
);
6035 int SSL_set_ct_validation_callback(SSL
*s
, ssl_ct_validation_cb callback
,
6038 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6044 * Since code exists that uses the custom extension handler for CT, look
6045 * for this and throw an error if they have already registered to use CT.
6047 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(s
->ctx
,
6048 TLSEXT_TYPE_signed_certificate_timestamp
))
6050 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6054 if (callback
!= NULL
) {
6056 * If we are validating CT, then we MUST accept SCTs served via OCSP
6058 if (!SSL_set_tlsext_status_type(s
, TLSEXT_STATUSTYPE_ocsp
))
6062 sc
->ct_validation_callback
= callback
;
6063 sc
->ct_validation_callback_arg
= arg
;
6068 int SSL_CTX_set_ct_validation_callback(SSL_CTX
*ctx
,
6069 ssl_ct_validation_cb callback
, void *arg
)
6072 * Since code exists that uses the custom extension handler for CT, look for
6073 * this and throw an error if they have already registered to use CT.
6075 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(ctx
,
6076 TLSEXT_TYPE_signed_certificate_timestamp
))
6078 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6082 ctx
->ct_validation_callback
= callback
;
6083 ctx
->ct_validation_callback_arg
= arg
;
6087 int SSL_ct_is_enabled(const SSL
*s
)
6089 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6094 return sc
->ct_validation_callback
!= NULL
;
6097 int SSL_CTX_ct_is_enabled(const SSL_CTX
*ctx
)
6099 return ctx
->ct_validation_callback
!= NULL
;
6102 int ssl_validate_ct(SSL_CONNECTION
*s
)
6105 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
6107 SSL_DANE
*dane
= &s
->dane
;
6108 CT_POLICY_EVAL_CTX
*ctx
= NULL
;
6109 const STACK_OF(SCT
) *scts
;
6112 * If no callback is set, the peer is anonymous, or its chain is invalid,
6113 * skip SCT validation - just return success. Applications that continue
6114 * handshakes without certificates, with unverified chains, or pinned leaf
6115 * certificates are outside the scope of the WebPKI and CT.
6117 * The above exclusions notwithstanding the vast majority of peers will
6118 * have rather ordinary certificate chains validated by typical
6119 * applications that perform certificate verification and therefore will
6120 * process SCTs when enabled.
6122 if (s
->ct_validation_callback
== NULL
|| cert
== NULL
||
6123 s
->verify_result
!= X509_V_OK
||
6124 s
->verified_chain
== NULL
|| sk_X509_num(s
->verified_chain
) <= 1)
6128 * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3)
6129 * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2
6131 if (DANETLS_ENABLED(dane
) && dane
->mtlsa
!= NULL
) {
6132 switch (dane
->mtlsa
->usage
) {
6133 case DANETLS_USAGE_DANE_TA
:
6134 case DANETLS_USAGE_DANE_EE
:
6139 ctx
= CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s
)->libctx
,
6140 SSL_CONNECTION_GET_CTX(s
)->propq
);
6142 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CT_LIB
);
6146 issuer
= sk_X509_value(s
->verified_chain
, 1);
6147 CT_POLICY_EVAL_CTX_set1_cert(ctx
, cert
);
6148 CT_POLICY_EVAL_CTX_set1_issuer(ctx
, issuer
);
6149 CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx
,
6150 SSL_CONNECTION_GET_CTX(s
)->ctlog_store
);
6151 CT_POLICY_EVAL_CTX_set_time(
6152 ctx
, (uint64_t)SSL_SESSION_get_time(s
->session
) * 1000);
6154 scts
= SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s
));
6157 * This function returns success (> 0) only when all the SCTs are valid, 0
6158 * when some are invalid, and < 0 on various internal errors (out of
6159 * memory, etc.). Having some, or even all, invalid SCTs is not sufficient
6160 * reason to abort the handshake, that decision is up to the callback.
6161 * Therefore, we error out only in the unexpected case that the return
6162 * value is negative.
6164 * XXX: One might well argue that the return value of this function is an
6165 * unfortunate design choice. Its job is only to determine the validation
6166 * status of each of the provided SCTs. So long as it correctly separates
6167 * the wheat from the chaff it should return success. Failure in this case
6168 * ought to correspond to an inability to carry out its duties.
6170 if (SCT_LIST_validate(scts
, ctx
) < 0) {
6171 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_SCT_VERIFICATION_FAILED
);
6175 ret
= s
->ct_validation_callback(ctx
, scts
, s
->ct_validation_callback_arg
);
6177 ret
= 0; /* This function returns 0 on failure */
6179 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_CALLBACK_FAILED
);
6182 CT_POLICY_EVAL_CTX_free(ctx
);
6184 * With SSL_VERIFY_NONE the session may be cached and re-used despite a
6185 * failure return code here. Also the application may wish the complete
6186 * the handshake, and then disconnect cleanly at a higher layer, after
6187 * checking the verification status of the completed connection.
6189 * We therefore force a certificate verification failure which will be
6190 * visible via SSL_get_verify_result() and cached as part of any resumed
6193 * Note: the permissive callback is for information gathering only, always
6194 * returns success, and does not affect verification status. Only the
6195 * strict callback or a custom application-specified callback can trigger
6196 * connection failure or record a verification error.
6199 s
->verify_result
= X509_V_ERR_NO_VALID_SCTS
;
6203 int SSL_CTX_enable_ct(SSL_CTX
*ctx
, int validation_mode
)
6205 switch (validation_mode
) {
6207 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6209 case SSL_CT_VALIDATION_PERMISSIVE
:
6210 return SSL_CTX_set_ct_validation_callback(ctx
, ct_permissive
, NULL
);
6211 case SSL_CT_VALIDATION_STRICT
:
6212 return SSL_CTX_set_ct_validation_callback(ctx
, ct_strict
, NULL
);
6216 int SSL_enable_ct(SSL
*s
, int validation_mode
)
6218 switch (validation_mode
) {
6220 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6222 case SSL_CT_VALIDATION_PERMISSIVE
:
6223 return SSL_set_ct_validation_callback(s
, ct_permissive
, NULL
);
6224 case SSL_CT_VALIDATION_STRICT
:
6225 return SSL_set_ct_validation_callback(s
, ct_strict
, NULL
);
6229 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX
*ctx
)
6231 return CTLOG_STORE_load_default_file(ctx
->ctlog_store
);
6234 int SSL_CTX_set_ctlog_list_file(SSL_CTX
*ctx
, const char *path
)
6236 return CTLOG_STORE_load_file(ctx
->ctlog_store
, path
);
6239 void SSL_CTX_set0_ctlog_store(SSL_CTX
*ctx
, CTLOG_STORE
* logs
)
6241 CTLOG_STORE_free(ctx
->ctlog_store
);
6242 ctx
->ctlog_store
= logs
;
6245 const CTLOG_STORE
*SSL_CTX_get0_ctlog_store(const SSL_CTX
*ctx
)
6247 return ctx
->ctlog_store
;
6250 #endif /* OPENSSL_NO_CT */
6252 void SSL_CTX_set_client_hello_cb(SSL_CTX
*c
, SSL_client_hello_cb_fn cb
,
6255 c
->client_hello_cb
= cb
;
6256 c
->client_hello_cb_arg
= arg
;
6259 int SSL_client_hello_isv2(SSL
*s
)
6261 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6266 if (sc
->clienthello
== NULL
)
6268 return sc
->clienthello
->isv2
;
6271 unsigned int SSL_client_hello_get0_legacy_version(SSL
*s
)
6273 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6278 if (sc
->clienthello
== NULL
)
6280 return sc
->clienthello
->legacy_version
;
6283 size_t SSL_client_hello_get0_random(SSL
*s
, const unsigned char **out
)
6285 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6290 if (sc
->clienthello
== NULL
)
6293 *out
= sc
->clienthello
->random
;
6294 return SSL3_RANDOM_SIZE
;
6297 size_t SSL_client_hello_get0_session_id(SSL
*s
, const unsigned char **out
)
6299 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6304 if (sc
->clienthello
== NULL
)
6307 *out
= sc
->clienthello
->session_id
;
6308 return sc
->clienthello
->session_id_len
;
6311 size_t SSL_client_hello_get0_ciphers(SSL
*s
, const unsigned char **out
)
6313 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6318 if (sc
->clienthello
== NULL
)
6321 *out
= PACKET_data(&sc
->clienthello
->ciphersuites
);
6322 return PACKET_remaining(&sc
->clienthello
->ciphersuites
);
6325 size_t SSL_client_hello_get0_compression_methods(SSL
*s
, const unsigned char **out
)
6327 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6332 if (sc
->clienthello
== NULL
)
6335 *out
= sc
->clienthello
->compressions
;
6336 return sc
->clienthello
->compressions_len
;
6339 int SSL_client_hello_get1_extensions_present(SSL
*s
, int **out
, size_t *outlen
)
6344 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6349 if (sc
->clienthello
== NULL
|| out
== NULL
|| outlen
== NULL
)
6351 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6352 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6361 if ((present
= OPENSSL_malloc(sizeof(*present
) * num
)) == NULL
)
6363 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6364 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6366 if (ext
->received_order
>= num
)
6368 present
[ext
->received_order
] = ext
->type
;
6375 OPENSSL_free(present
);
6379 int SSL_client_hello_get_extension_order(SSL
*s
, uint16_t *exts
, size_t *num_exts
)
6383 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6388 if (sc
->clienthello
== NULL
|| num_exts
== NULL
)
6390 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6391 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6403 if (*num_exts
< num
)
6405 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6406 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6408 if (ext
->received_order
>= num
)
6410 exts
[ext
->received_order
] = ext
->type
;
6417 int SSL_client_hello_get0_ext(SSL
*s
, unsigned int type
, const unsigned char **out
,
6422 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6427 if (sc
->clienthello
== NULL
)
6429 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; ++i
) {
6430 r
= sc
->clienthello
->pre_proc_exts
+ i
;
6431 if (r
->present
&& r
->type
== type
) {
6433 *out
= PACKET_data(&r
->data
);
6435 *outlen
= PACKET_remaining(&r
->data
);
6442 int SSL_free_buffers(SSL
*ssl
)
6445 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6452 return rl
->rrlmethod
->free_buffers(rl
->rrl
)
6453 && rl
->wrlmethod
->free_buffers(rl
->wrl
);
6456 int SSL_alloc_buffers(SSL
*ssl
)
6459 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6466 return rl
->rrlmethod
->alloc_buffers(rl
->rrl
)
6467 && rl
->wrlmethod
->alloc_buffers(rl
->wrl
);
6470 void SSL_CTX_set_keylog_callback(SSL_CTX
*ctx
, SSL_CTX_keylog_cb_func cb
)
6472 ctx
->keylog_callback
= cb
;
6475 SSL_CTX_keylog_cb_func
SSL_CTX_get_keylog_callback(const SSL_CTX
*ctx
)
6477 return ctx
->keylog_callback
;
6480 static int nss_keylog_int(const char *prefix
,
6482 const uint8_t *parameter_1
,
6483 size_t parameter_1_len
,
6484 const uint8_t *parameter_2
,
6485 size_t parameter_2_len
)
6488 char *cursor
= NULL
;
6492 SSL_CTX
*sctx
= SSL_CONNECTION_GET_CTX(sc
);
6494 if (sctx
->keylog_callback
== NULL
)
6498 * Our output buffer will contain the following strings, rendered with
6499 * space characters in between, terminated by a NULL character: first the
6500 * prefix, then the first parameter, then the second parameter. The
6501 * meaning of each parameter depends on the specific key material being
6502 * logged. Note that the first and second parameters are encoded in
6503 * hexadecimal, so we need a buffer that is twice their lengths.
6505 prefix_len
= strlen(prefix
);
6506 out_len
= prefix_len
+ (2 * parameter_1_len
) + (2 * parameter_2_len
) + 3;
6507 if ((out
= cursor
= OPENSSL_malloc(out_len
)) == NULL
)
6510 strcpy(cursor
, prefix
);
6511 cursor
+= prefix_len
;
6514 for (i
= 0; i
< parameter_1_len
; i
++) {
6515 sprintf(cursor
, "%02x", parameter_1
[i
]);
6520 for (i
= 0; i
< parameter_2_len
; i
++) {
6521 sprintf(cursor
, "%02x", parameter_2
[i
]);
6526 sctx
->keylog_callback(SSL_CONNECTION_GET_SSL(sc
), (const char *)out
);
6527 OPENSSL_clear_free(out
, out_len
);
6532 int ssl_log_rsa_client_key_exchange(SSL_CONNECTION
*sc
,
6533 const uint8_t *encrypted_premaster
,
6534 size_t encrypted_premaster_len
,
6535 const uint8_t *premaster
,
6536 size_t premaster_len
)
6538 if (encrypted_premaster_len
< 8) {
6539 SSLfatal(sc
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6543 /* We only want the first 8 bytes of the encrypted premaster as a tag. */
6544 return nss_keylog_int("RSA",
6546 encrypted_premaster
,
6552 int ssl_log_secret(SSL_CONNECTION
*sc
,
6554 const uint8_t *secret
,
6557 return nss_keylog_int(label
,
6559 sc
->s3
.client_random
,
6565 #define SSLV2_CIPHER_LEN 3
6567 int ssl_cache_cipherlist(SSL_CONNECTION
*s
, PACKET
*cipher_suites
, int sslv2format
)
6571 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6573 if (PACKET_remaining(cipher_suites
) == 0) {
6574 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6578 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6579 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6583 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6584 s
->s3
.tmp
.ciphers_raw
= NULL
;
6585 s
->s3
.tmp
.ciphers_rawlen
= 0;
6588 size_t numciphers
= PACKET_remaining(cipher_suites
) / n
;
6589 PACKET sslv2ciphers
= *cipher_suites
;
6590 unsigned int leadbyte
;
6594 * We store the raw ciphers list in SSLv3+ format so we need to do some
6595 * preprocessing to convert the list first. If there are any SSLv2 only
6596 * ciphersuites with a non-zero leading byte then we are going to
6597 * slightly over allocate because we won't store those. But that isn't a
6600 raw
= OPENSSL_malloc(numciphers
* TLS_CIPHER_LEN
);
6601 s
->s3
.tmp
.ciphers_raw
= raw
;
6603 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6606 for (s
->s3
.tmp
.ciphers_rawlen
= 0;
6607 PACKET_remaining(&sslv2ciphers
) > 0;
6608 raw
+= TLS_CIPHER_LEN
) {
6609 if (!PACKET_get_1(&sslv2ciphers
, &leadbyte
)
6611 && !PACKET_copy_bytes(&sslv2ciphers
, raw
,
6614 && !PACKET_forward(&sslv2ciphers
, TLS_CIPHER_LEN
))) {
6615 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_PACKET
);
6616 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6617 s
->s3
.tmp
.ciphers_raw
= NULL
;
6618 s
->s3
.tmp
.ciphers_rawlen
= 0;
6622 s
->s3
.tmp
.ciphers_rawlen
+= TLS_CIPHER_LEN
;
6624 } else if (!PACKET_memdup(cipher_suites
, &s
->s3
.tmp
.ciphers_raw
,
6625 &s
->s3
.tmp
.ciphers_rawlen
)) {
6626 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6632 int SSL_bytes_to_cipher_list(SSL
*s
, const unsigned char *bytes
, size_t len
,
6633 int isv2format
, STACK_OF(SSL_CIPHER
) **sk
,
6634 STACK_OF(SSL_CIPHER
) **scsvs
)
6637 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6642 if (!PACKET_buf_init(&pkt
, bytes
, len
))
6644 return ossl_bytes_to_cipher_list(sc
, &pkt
, sk
, scsvs
, isv2format
, 0);
6647 int ossl_bytes_to_cipher_list(SSL_CONNECTION
*s
, PACKET
*cipher_suites
,
6648 STACK_OF(SSL_CIPHER
) **skp
,
6649 STACK_OF(SSL_CIPHER
) **scsvs_out
,
6650 int sslv2format
, int fatal
)
6652 const SSL_CIPHER
*c
;
6653 STACK_OF(SSL_CIPHER
) *sk
= NULL
;
6654 STACK_OF(SSL_CIPHER
) *scsvs
= NULL
;
6656 /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */
6657 unsigned char cipher
[SSLV2_CIPHER_LEN
];
6659 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6661 if (PACKET_remaining(cipher_suites
) == 0) {
6663 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6665 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHERS_SPECIFIED
);
6669 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6671 SSLfatal(s
, SSL_AD_DECODE_ERROR
,
6672 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6674 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6678 sk
= sk_SSL_CIPHER_new_null();
6679 scsvs
= sk_SSL_CIPHER_new_null();
6680 if (sk
== NULL
|| scsvs
== NULL
) {
6682 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6684 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6688 while (PACKET_copy_bytes(cipher_suites
, cipher
, n
)) {
6690 * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the
6691 * first byte set to zero, while true SSLv2 ciphers have a non-zero
6692 * first byte. We don't support any true SSLv2 ciphers, so skip them.
6694 if (sslv2format
&& cipher
[0] != '\0')
6697 /* For SSLv2-compat, ignore leading 0-byte. */
6698 c
= ssl_get_cipher_by_char(s
, sslv2format
? &cipher
[1] : cipher
, 1);
6700 if ((c
->valid
&& !sk_SSL_CIPHER_push(sk
, c
)) ||
6701 (!c
->valid
&& !sk_SSL_CIPHER_push(scsvs
, c
))) {
6703 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6705 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6710 if (PACKET_remaining(cipher_suites
) > 0) {
6712 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_LENGTH
);
6714 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
6721 sk_SSL_CIPHER_free(sk
);
6722 if (scsvs_out
!= NULL
)
6725 sk_SSL_CIPHER_free(scsvs
);
6728 sk_SSL_CIPHER_free(sk
);
6729 sk_SSL_CIPHER_free(scsvs
);
6733 int SSL_CTX_set_max_early_data(SSL_CTX
*ctx
, uint32_t max_early_data
)
6735 ctx
->max_early_data
= max_early_data
;
6740 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX
*ctx
)
6742 return ctx
->max_early_data
;
6745 int SSL_set_max_early_data(SSL
*s
, uint32_t max_early_data
)
6747 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6752 sc
->max_early_data
= max_early_data
;
6757 uint32_t SSL_get_max_early_data(const SSL
*s
)
6759 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6764 return sc
->max_early_data
;
6767 int SSL_CTX_set_recv_max_early_data(SSL_CTX
*ctx
, uint32_t recv_max_early_data
)
6769 ctx
->recv_max_early_data
= recv_max_early_data
;
6774 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX
*ctx
)
6776 return ctx
->recv_max_early_data
;
6779 int SSL_set_recv_max_early_data(SSL
*s
, uint32_t recv_max_early_data
)
6781 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6786 sc
->recv_max_early_data
= recv_max_early_data
;
6791 uint32_t SSL_get_recv_max_early_data(const SSL
*s
)
6793 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6798 return sc
->recv_max_early_data
;
6801 __owur
unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION
*sc
)
6803 /* Return any active Max Fragment Len extension */
6804 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
))
6805 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
6807 /* return current SSL connection setting */
6808 return sc
->max_send_fragment
;
6811 __owur
unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION
*sc
)
6813 /* Return a value regarding an active Max Fragment Len extension */
6814 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
)
6815 && sc
->split_send_fragment
> GET_MAX_FRAGMENT_LENGTH(sc
->session
))
6816 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
6818 /* else limit |split_send_fragment| to current |max_send_fragment| */
6819 if (sc
->split_send_fragment
> sc
->max_send_fragment
)
6820 return sc
->max_send_fragment
;
6822 /* return current SSL connection setting */
6823 return sc
->split_send_fragment
;
6826 int SSL_stateless(SSL
*s
)
6829 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6831 /* TODO(QUIC): This will need further work. */
6835 /* Ensure there is no state left over from a previous invocation */
6841 sc
->s3
.flags
|= TLS1_FLAGS_STATELESS
;
6842 ret
= SSL_accept(s
);
6843 sc
->s3
.flags
&= ~TLS1_FLAGS_STATELESS
;
6845 if (ret
> 0 && sc
->ext
.cookieok
)
6848 if (sc
->hello_retry_request
== SSL_HRR_PENDING
&& !ossl_statem_in_error(sc
))
6854 void SSL_CTX_set_post_handshake_auth(SSL_CTX
*ctx
, int val
)
6856 ctx
->pha_enabled
= val
;
6859 void SSL_set_post_handshake_auth(SSL
*ssl
, int val
)
6861 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6866 sc
->pha_enabled
= val
;
6869 int SSL_verify_client_post_handshake(SSL
*ssl
)
6871 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6876 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
6877 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
6881 ERR_raise(ERR_LIB_SSL
, SSL_R_NOT_SERVER
);
6885 if (!SSL_is_init_finished(ssl
)) {
6886 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
6890 switch (sc
->post_handshake_auth
) {
6892 ERR_raise(ERR_LIB_SSL
, SSL_R_EXTENSION_NOT_RECEIVED
);
6895 case SSL_PHA_EXT_SENT
:
6896 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
6898 case SSL_PHA_EXT_RECEIVED
:
6900 case SSL_PHA_REQUEST_PENDING
:
6901 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_PENDING
);
6903 case SSL_PHA_REQUESTED
:
6904 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_SENT
);
6908 sc
->post_handshake_auth
= SSL_PHA_REQUEST_PENDING
;
6910 /* checks verify_mode and algorithm_auth */
6911 if (!send_certificate_request(sc
)) {
6912 sc
->post_handshake_auth
= SSL_PHA_EXT_RECEIVED
; /* restore on error */
6913 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CONFIG
);
6917 ossl_statem_set_in_init(sc
, 1);
6921 int SSL_CTX_set_session_ticket_cb(SSL_CTX
*ctx
,
6922 SSL_CTX_generate_session_ticket_fn gen_cb
,
6923 SSL_CTX_decrypt_session_ticket_fn dec_cb
,
6926 ctx
->generate_ticket_cb
= gen_cb
;
6927 ctx
->decrypt_ticket_cb
= dec_cb
;
6928 ctx
->ticket_cb_data
= arg
;
6932 void SSL_CTX_set_allow_early_data_cb(SSL_CTX
*ctx
,
6933 SSL_allow_early_data_cb_fn cb
,
6936 ctx
->allow_early_data_cb
= cb
;
6937 ctx
->allow_early_data_cb_data
= arg
;
6940 void SSL_set_allow_early_data_cb(SSL
*s
,
6941 SSL_allow_early_data_cb_fn cb
,
6944 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6949 sc
->allow_early_data_cb
= cb
;
6950 sc
->allow_early_data_cb_data
= arg
;
6953 const EVP_CIPHER
*ssl_evp_cipher_fetch(OSSL_LIB_CTX
*libctx
,
6955 const char *properties
)
6957 const EVP_CIPHER
*ciph
;
6959 ciph
= tls_get_cipher_from_engine(nid
);
6964 * If there is no engine cipher then we do an explicit fetch. This may fail
6965 * and that could be ok
6968 ciph
= EVP_CIPHER_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
6974 int ssl_evp_cipher_up_ref(const EVP_CIPHER
*cipher
)
6976 /* Don't up-ref an implicit EVP_CIPHER */
6977 if (EVP_CIPHER_get0_provider(cipher
) == NULL
)
6981 * The cipher was explicitly fetched and therefore it is safe to cast
6984 return EVP_CIPHER_up_ref((EVP_CIPHER
*)cipher
);
6987 void ssl_evp_cipher_free(const EVP_CIPHER
*cipher
)
6992 if (EVP_CIPHER_get0_provider(cipher
) != NULL
) {
6994 * The cipher was explicitly fetched and therefore it is safe to cast
6997 EVP_CIPHER_free((EVP_CIPHER
*)cipher
);
7001 const EVP_MD
*ssl_evp_md_fetch(OSSL_LIB_CTX
*libctx
,
7003 const char *properties
)
7007 md
= tls_get_digest_from_engine(nid
);
7011 /* Otherwise we do an explicit fetch */
7013 md
= EVP_MD_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
7018 int ssl_evp_md_up_ref(const EVP_MD
*md
)
7020 /* Don't up-ref an implicit EVP_MD */
7021 if (EVP_MD_get0_provider(md
) == NULL
)
7025 * The digest was explicitly fetched and therefore it is safe to cast
7028 return EVP_MD_up_ref((EVP_MD
*)md
);
7031 void ssl_evp_md_free(const EVP_MD
*md
)
7036 if (EVP_MD_get0_provider(md
) != NULL
) {
7038 * The digest was explicitly fetched and therefore it is safe to cast
7041 EVP_MD_free((EVP_MD
*)md
);
7045 int SSL_set0_tmp_dh_pkey(SSL
*s
, EVP_PKEY
*dhpkey
)
7047 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7052 if (!ssl_security(sc
, SSL_SECOP_TMP_DH
,
7053 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7054 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7057 EVP_PKEY_free(sc
->cert
->dh_tmp
);
7058 sc
->cert
->dh_tmp
= dhpkey
;
7062 int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX
*ctx
, EVP_PKEY
*dhpkey
)
7064 if (!ssl_ctx_security(ctx
, SSL_SECOP_TMP_DH
,
7065 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7066 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7069 EVP_PKEY_free(ctx
->cert
->dh_tmp
);
7070 ctx
->cert
->dh_tmp
= dhpkey
;
7074 /* QUIC-specific methods which are supported on QUIC connections only. */
7075 int SSL_tick(SSL
*s
)
7078 #ifndef OPENSSL_NO_QUIC
7079 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7082 return ossl_quic_tick(qc
);
7085 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7086 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
))
7088 * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet,
7089 * which we consider a success case. Theoretically DTLSv1_handle_timeout
7090 * can also return 0 if s is NULL or not a DTLS object, but we've
7091 * already ruled out those possibilities above, so this is not possible
7092 * here. Thus the only failure cases are where DTLSv1_handle_timeout
7095 return DTLSv1_handle_timeout(s
) >= 0;
7100 int SSL_get_tick_timeout(SSL
*s
, struct timeval
*tv
)
7103 #ifndef OPENSSL_NO_QUIC
7104 QUIC_CONNECTION
*qc
;
7106 qc
= QUIC_CONNECTION_FROM_SSL(s
);
7108 return ossl_quic_get_tick_timeout(qc
, tv
);
7111 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7112 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
)
7113 && DTLSv1_get_timeout(s
, tv
))
7121 int SSL_get_rpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7123 #ifndef OPENSSL_NO_QUIC
7124 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7129 return ossl_quic_get_rpoll_descriptor(qc
, desc
);
7135 int SSL_get_wpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7137 #ifndef OPENSSL_NO_QUIC
7138 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7143 return ossl_quic_get_wpoll_descriptor(qc
, desc
);
7149 int SSL_net_read_desired(SSL
*s
)
7151 #ifndef OPENSSL_NO_QUIC
7152 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7157 return ossl_quic_get_net_read_desired(qc
);
7163 int SSL_net_write_desired(SSL
*s
)
7165 #ifndef OPENSSL_NO_QUIC
7166 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7171 return ossl_quic_get_net_write_desired(qc
);
7177 int SSL_set_blocking_mode(SSL
*s
, int blocking
)
7179 #ifndef OPENSSL_NO_QUIC
7180 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7185 return ossl_quic_conn_set_blocking_mode(qc
, blocking
);
7191 int SSL_get_blocking_mode(SSL
*s
)
7193 #ifndef OPENSSL_NO_QUIC
7194 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7199 return ossl_quic_conn_get_blocking_mode(qc
);
7205 int SSL_set_initial_peer_addr(SSL
*s
, const BIO_ADDR
*peer_addr
)
7207 #ifndef OPENSSL_NO_QUIC
7208 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7213 return ossl_quic_conn_set_initial_peer_addr(qc
, peer_addr
);
7219 int SSL_shutdown_ex(SSL
*ssl
, uint64_t flags
,
7220 const SSL_SHUTDOWN_EX_ARGS
*args
,
7223 #ifndef OPENSSL_NO_QUIC
7224 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(ssl
);
7227 return SSL_shutdown(ssl
);
7229 return ossl_quic_conn_shutdown(qc
, flags
, args
, args_len
);
7231 return SSL_shutdown(ssl
);
7235 int SSL_stream_conclude(SSL
*ssl
, uint64_t flags
)
7237 #ifndef OPENSSL_NO_QUIC
7238 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(ssl
);
7243 return ossl_quic_conn_stream_conclude(qc
);