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
)
718 ssl
->defltmeth
= ssl
->method
= method
;
720 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, ssl
, &ssl
->ex_data
))
726 SSL
*ossl_ssl_connection_new_int(SSL_CTX
*ctx
, const SSL_METHOD
*method
)
731 s
= OPENSSL_zalloc(sizeof(*s
));
736 if (!ossl_ssl_init(ssl
, ctx
, method
, SSL_TYPE_SSL_CONNECTION
)) {
742 RECORD_LAYER_init(&s
->rlayer
, s
);
744 s
->options
= ctx
->options
;
745 s
->dane
.flags
= ctx
->dane
.flags
;
746 s
->min_proto_version
= ctx
->min_proto_version
;
747 s
->max_proto_version
= ctx
->max_proto_version
;
749 s
->max_cert_list
= ctx
->max_cert_list
;
750 s
->max_early_data
= ctx
->max_early_data
;
751 s
->recv_max_early_data
= ctx
->recv_max_early_data
;
752 s
->num_tickets
= ctx
->num_tickets
;
753 s
->pha_enabled
= ctx
->pha_enabled
;
755 /* Shallow copy of the ciphersuites stack */
756 s
->tls13_ciphersuites
= sk_SSL_CIPHER_dup(ctx
->tls13_ciphersuites
);
757 if (s
->tls13_ciphersuites
== NULL
)
761 * Earlier library versions used to copy the pointer to the CERT, not
762 * its contents; only when setting new parameters for the per-SSL
763 * copy, ssl_cert_new would be called (and the direct reference to
764 * the per-SSL_CTX settings would be lost, but those still were
765 * indirectly accessed for various purposes, and for that reason they
766 * used to be known as s->ctx->default_cert). Now we don't look at the
767 * SSL_CTX's CERT after having duplicated it once.
769 s
->cert
= ssl_cert_dup(ctx
->cert
);
773 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
774 s
->msg_callback
= ctx
->msg_callback
;
775 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
776 s
->verify_mode
= ctx
->verify_mode
;
777 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
778 s
->rlayer
.record_padding_cb
= ctx
->record_padding_cb
;
779 s
->rlayer
.record_padding_arg
= ctx
->record_padding_arg
;
780 s
->rlayer
.block_padding
= ctx
->block_padding
;
781 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
782 if (!ossl_assert(s
->sid_ctx_length
<= sizeof(s
->sid_ctx
)))
784 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
785 s
->verify_callback
= ctx
->default_verify_callback
;
786 s
->generate_session_id
= ctx
->generate_session_id
;
788 s
->param
= X509_VERIFY_PARAM_new();
789 if (s
->param
== NULL
)
791 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
792 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
794 s
->ext
.max_fragment_len_mode
= ctx
->ext
.max_fragment_len_mode
;
795 s
->max_send_fragment
= ctx
->max_send_fragment
;
796 s
->split_send_fragment
= ctx
->split_send_fragment
;
797 s
->max_pipelines
= ctx
->max_pipelines
;
798 s
->rlayer
.default_read_buf_len
= ctx
->default_read_buf_len
;
801 s
->ext
.debug_arg
= NULL
;
802 s
->ext
.ticket_expected
= 0;
803 s
->ext
.status_type
= ctx
->ext
.status_type
;
804 s
->ext
.status_expected
= 0;
805 s
->ext
.ocsp
.ids
= NULL
;
806 s
->ext
.ocsp
.exts
= NULL
;
807 s
->ext
.ocsp
.resp
= NULL
;
808 s
->ext
.ocsp
.resp_len
= 0;
810 s
->session_ctx
= ctx
;
811 if (ctx
->ext
.ecpointformats
) {
812 s
->ext
.ecpointformats
=
813 OPENSSL_memdup(ctx
->ext
.ecpointformats
,
814 ctx
->ext
.ecpointformats_len
);
815 if (!s
->ext
.ecpointformats
) {
816 s
->ext
.ecpointformats_len
= 0;
819 s
->ext
.ecpointformats_len
=
820 ctx
->ext
.ecpointformats_len
;
822 if (ctx
->ext
.supportedgroups
) {
823 s
->ext
.supportedgroups
=
824 OPENSSL_memdup(ctx
->ext
.supportedgroups
,
825 ctx
->ext
.supportedgroups_len
826 * sizeof(*ctx
->ext
.supportedgroups
));
827 if (!s
->ext
.supportedgroups
) {
828 s
->ext
.supportedgroups_len
= 0;
831 s
->ext
.supportedgroups_len
= ctx
->ext
.supportedgroups_len
;
834 #ifndef OPENSSL_NO_NEXTPROTONEG
838 if (ctx
->ext
.alpn
!= NULL
) {
839 s
->ext
.alpn
= OPENSSL_malloc(ctx
->ext
.alpn_len
);
840 if (s
->ext
.alpn
== NULL
) {
844 memcpy(s
->ext
.alpn
, ctx
->ext
.alpn
, ctx
->ext
.alpn_len
);
845 s
->ext
.alpn_len
= ctx
->ext
.alpn_len
;
848 s
->verified_chain
= NULL
;
849 s
->verify_result
= X509_V_OK
;
851 s
->default_passwd_callback
= ctx
->default_passwd_callback
;
852 s
->default_passwd_callback_userdata
= ctx
->default_passwd_callback_userdata
;
854 s
->key_update
= SSL_KEY_UPDATE_NONE
;
856 s
->allow_early_data_cb
= ctx
->allow_early_data_cb
;
857 s
->allow_early_data_cb_data
= ctx
->allow_early_data_cb_data
;
859 if (!method
->ssl_init(ssl
))
862 s
->server
= (method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
864 if (!method
->ssl_reset(ssl
))
867 #ifndef OPENSSL_NO_PSK
868 s
->psk_client_callback
= ctx
->psk_client_callback
;
869 s
->psk_server_callback
= ctx
->psk_server_callback
;
871 s
->psk_find_session_cb
= ctx
->psk_find_session_cb
;
872 s
->psk_use_session_cb
= ctx
->psk_use_session_cb
;
874 s
->async_cb
= ctx
->async_cb
;
875 s
->async_cb_arg
= ctx
->async_cb_arg
;
879 #ifndef OPENSSL_NO_COMP_ALG
880 memcpy(s
->cert_comp_prefs
, ctx
->cert_comp_prefs
, sizeof(s
->cert_comp_prefs
));
883 #ifndef OPENSSL_NO_CT
884 if (!SSL_set_ct_validation_callback(ssl
, ctx
->ct_validation_callback
,
885 ctx
->ct_validation_callback_arg
))
891 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
894 ERR_raise(ERR_LIB_SSL
, ERR_R_ASN1_LIB
);
897 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
903 SSL
*ossl_ssl_connection_new(SSL_CTX
*ctx
)
905 return ossl_ssl_connection_new_int(ctx
, ctx
->method
);
908 int SSL_is_dtls(const SSL
*s
)
910 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
915 return SSL_CONNECTION_IS_DTLS(sc
) ? 1 : 0;
918 int SSL_up_ref(SSL
*s
)
922 if (CRYPTO_UP_REF(&s
->references
, &i
, s
->lock
) <= 0)
925 REF_PRINT_COUNT("SSL", s
);
926 REF_ASSERT_ISNT(i
< 2);
927 return ((i
> 1) ? 1 : 0);
930 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
931 unsigned int sid_ctx_len
)
933 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
934 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
937 ctx
->sid_ctx_length
= sid_ctx_len
;
938 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
943 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
944 unsigned int sid_ctx_len
)
946 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
951 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
952 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
955 sc
->sid_ctx_length
= sid_ctx_len
;
956 memcpy(sc
->sid_ctx
, sid_ctx
, sid_ctx_len
);
961 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
963 if (!CRYPTO_THREAD_write_lock(ctx
->lock
))
965 ctx
->generate_session_id
= cb
;
966 CRYPTO_THREAD_unlock(ctx
->lock
);
970 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
972 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
974 if (sc
== NULL
|| !CRYPTO_THREAD_write_lock(ssl
->lock
))
976 sc
->generate_session_id
= cb
;
977 CRYPTO_THREAD_unlock(ssl
->lock
);
981 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
985 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
986 * we can "construct" a session to give us the desired check - i.e. to
987 * find if there's a session in the hash table that would conflict with
988 * any new session built out of this id/id_len and the ssl_version in use
992 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
994 if (sc
== NULL
|| id_len
> sizeof(r
.session_id
))
997 r
.ssl_version
= sc
->version
;
998 r
.session_id_length
= id_len
;
999 memcpy(r
.session_id
, id
, id_len
);
1001 if (!CRYPTO_THREAD_read_lock(sc
->session_ctx
->lock
))
1003 p
= lh_SSL_SESSION_retrieve(sc
->session_ctx
->sessions
, &r
);
1004 CRYPTO_THREAD_unlock(sc
->session_ctx
->lock
);
1008 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
1010 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
1013 int SSL_set_purpose(SSL
*s
, int purpose
)
1015 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1020 return X509_VERIFY_PARAM_set_purpose(sc
->param
, purpose
);
1023 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
1025 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
1028 int SSL_set_trust(SSL
*s
, int trust
)
1030 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1035 return X509_VERIFY_PARAM_set_trust(sc
->param
, trust
);
1038 int SSL_set1_host(SSL
*s
, const char *hostname
)
1040 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1045 /* If a hostname is provided and parses as an IP address,
1046 * treat it as such. */
1047 if (hostname
!= NULL
1048 && X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
) == 1)
1051 return X509_VERIFY_PARAM_set1_host(sc
->param
, hostname
, 0);
1054 int SSL_add1_host(SSL
*s
, const char *hostname
)
1056 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1061 /* If a hostname is provided and parses as an IP address,
1062 * treat it as such. */
1065 ASN1_OCTET_STRING
*ip
;
1068 ip
= a2i_IPADDRESS(hostname
);
1070 /* We didn't want it; only to check if it *is* an IP address */
1071 ASN1_OCTET_STRING_free(ip
);
1073 old_ip
= X509_VERIFY_PARAM_get1_ip_asc(sc
->param
);
1076 OPENSSL_free(old_ip
);
1077 /* There can be only one IP address */
1081 return X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
);
1085 return X509_VERIFY_PARAM_add1_host(sc
->param
, hostname
, 0);
1088 void SSL_set_hostflags(SSL
*s
, unsigned int flags
)
1090 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1095 X509_VERIFY_PARAM_set_hostflags(sc
->param
, flags
);
1098 const char *SSL_get0_peername(SSL
*s
)
1100 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1105 return X509_VERIFY_PARAM_get0_peername(sc
->param
);
1108 int SSL_CTX_dane_enable(SSL_CTX
*ctx
)
1110 return dane_ctx_enable(&ctx
->dane
);
1113 unsigned long SSL_CTX_dane_set_flags(SSL_CTX
*ctx
, unsigned long flags
)
1115 unsigned long orig
= ctx
->dane
.flags
;
1117 ctx
->dane
.flags
|= flags
;
1121 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX
*ctx
, unsigned long flags
)
1123 unsigned long orig
= ctx
->dane
.flags
;
1125 ctx
->dane
.flags
&= ~flags
;
1129 int SSL_dane_enable(SSL
*s
, const char *basedomain
)
1132 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1138 if (s
->ctx
->dane
.mdmax
== 0) {
1139 ERR_raise(ERR_LIB_SSL
, SSL_R_CONTEXT_NOT_DANE_ENABLED
);
1142 if (dane
->trecs
!= NULL
) {
1143 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_ALREADY_ENABLED
);
1148 * Default SNI name. This rejects empty names, while set1_host below
1149 * accepts them and disables hostname checks. To avoid side-effects with
1150 * invalid input, set the SNI name first.
1152 if (sc
->ext
.hostname
== NULL
) {
1153 if (!SSL_set_tlsext_host_name(s
, basedomain
)) {
1154 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1159 /* Primary RFC6125 reference identifier */
1160 if (!X509_VERIFY_PARAM_set1_host(sc
->param
, basedomain
, 0)) {
1161 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1167 dane
->dctx
= &s
->ctx
->dane
;
1168 dane
->trecs
= sk_danetls_record_new_null();
1170 if (dane
->trecs
== NULL
) {
1171 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
1177 unsigned long SSL_dane_set_flags(SSL
*ssl
, unsigned long flags
)
1180 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1185 orig
= sc
->dane
.flags
;
1187 sc
->dane
.flags
|= flags
;
1191 unsigned long SSL_dane_clear_flags(SSL
*ssl
, unsigned long flags
)
1194 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1199 orig
= sc
->dane
.flags
;
1201 sc
->dane
.flags
&= ~flags
;
1205 int SSL_get0_dane_authority(SSL
*s
, X509
**mcert
, EVP_PKEY
**mspki
)
1208 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1215 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1219 *mcert
= dane
->mcert
;
1221 *mspki
= (dane
->mcert
== NULL
) ? dane
->mtlsa
->spki
: NULL
;
1226 int SSL_get0_dane_tlsa(SSL
*s
, uint8_t *usage
, uint8_t *selector
,
1227 uint8_t *mtype
, const unsigned char **data
, size_t *dlen
)
1230 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1237 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1241 *usage
= dane
->mtlsa
->usage
;
1243 *selector
= dane
->mtlsa
->selector
;
1245 *mtype
= dane
->mtlsa
->mtype
;
1247 *data
= dane
->mtlsa
->data
;
1249 *dlen
= dane
->mtlsa
->dlen
;
1254 SSL_DANE
*SSL_get0_dane(SSL
*s
)
1256 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1264 int SSL_dane_tlsa_add(SSL
*s
, uint8_t usage
, uint8_t selector
,
1265 uint8_t mtype
, const unsigned char *data
, size_t dlen
)
1267 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1272 return dane_tlsa_add(&sc
->dane
, usage
, selector
, mtype
, data
, dlen
);
1275 int SSL_CTX_dane_mtype_set(SSL_CTX
*ctx
, const EVP_MD
*md
, uint8_t mtype
,
1278 return dane_mtype_set(&ctx
->dane
, md
, mtype
, ord
);
1281 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
1283 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
1286 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
1288 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1293 return X509_VERIFY_PARAM_set1(sc
->param
, vpm
);
1296 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
1301 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
1303 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1311 void SSL_certs_clear(SSL
*s
)
1313 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1318 ssl_cert_clear_certs(sc
->cert
);
1321 void SSL_free(SSL
*s
)
1327 CRYPTO_DOWN_REF(&s
->references
, &i
, s
->lock
);
1328 REF_PRINT_COUNT("SSL", s
);
1331 REF_ASSERT_ISNT(i
< 0);
1333 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
1335 if (s
->method
!= NULL
)
1336 s
->method
->ssl_free(s
);
1338 SSL_CTX_free(s
->ctx
);
1339 CRYPTO_THREAD_lock_free(s
->lock
);
1344 void ossl_ssl_connection_free(SSL
*ssl
)
1348 s
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
1352 X509_VERIFY_PARAM_free(s
->param
);
1353 dane_final(&s
->dane
);
1355 /* Ignore return value */
1356 ssl_free_wbio_buffer(s
);
1358 RECORD_LAYER_clear(&s
->rlayer
);
1360 BUF_MEM_free(s
->init_buf
);
1362 /* add extra stuff */
1363 sk_SSL_CIPHER_free(s
->cipher_list
);
1364 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
1365 sk_SSL_CIPHER_free(s
->tls13_ciphersuites
);
1366 sk_SSL_CIPHER_free(s
->peer_ciphers
);
1368 /* Make the next call work :-) */
1369 if (s
->session
!= NULL
) {
1370 ssl_clear_bad_session(s
);
1371 SSL_SESSION_free(s
->session
);
1373 SSL_SESSION_free(s
->psksession
);
1374 OPENSSL_free(s
->psksession_id
);
1376 ssl_cert_free(s
->cert
);
1377 OPENSSL_free(s
->shared_sigalgs
);
1378 /* Free up if allocated */
1380 OPENSSL_free(s
->ext
.hostname
);
1381 SSL_CTX_free(s
->session_ctx
);
1382 OPENSSL_free(s
->ext
.ecpointformats
);
1383 OPENSSL_free(s
->ext
.peer_ecpointformats
);
1384 OPENSSL_free(s
->ext
.supportedgroups
);
1385 OPENSSL_free(s
->ext
.peer_supportedgroups
);
1386 sk_X509_EXTENSION_pop_free(s
->ext
.ocsp
.exts
, X509_EXTENSION_free
);
1387 #ifndef OPENSSL_NO_OCSP
1388 sk_OCSP_RESPID_pop_free(s
->ext
.ocsp
.ids
, OCSP_RESPID_free
);
1390 #ifndef OPENSSL_NO_CT
1391 SCT_LIST_free(s
->scts
);
1392 OPENSSL_free(s
->ext
.scts
);
1394 OPENSSL_free(s
->ext
.ocsp
.resp
);
1395 OPENSSL_free(s
->ext
.alpn
);
1396 OPENSSL_free(s
->ext
.tls13_cookie
);
1397 if (s
->clienthello
!= NULL
)
1398 OPENSSL_free(s
->clienthello
->pre_proc_exts
);
1399 OPENSSL_free(s
->clienthello
);
1400 OPENSSL_free(s
->pha_context
);
1401 EVP_MD_CTX_free(s
->pha_dgst
);
1403 sk_X509_NAME_pop_free(s
->ca_names
, X509_NAME_free
);
1404 sk_X509_NAME_pop_free(s
->client_ca_names
, X509_NAME_free
);
1406 OSSL_STACK_OF_X509_free(s
->verified_chain
);
1408 if (ssl
->method
!= NULL
)
1409 ssl
->method
->ssl_deinit(ssl
);
1411 ASYNC_WAIT_CTX_free(s
->waitctx
);
1413 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1414 OPENSSL_free(s
->ext
.npn
);
1417 #ifndef OPENSSL_NO_SRTP
1418 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
1422 * We do this late. We want to ensure that any other references we held to
1423 * these BIOs are freed first *before* we call BIO_free_all(), because
1424 * BIO_free_all() will only free each BIO in the chain if the number of
1425 * references to the first BIO have dropped to 0
1427 BIO_free_all(s
->wbio
);
1429 BIO_free_all(s
->rbio
);
1433 void SSL_set0_rbio(SSL
*s
, BIO
*rbio
)
1435 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1436 #ifndef OPENSSL_NO_QUIC
1437 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
1440 ossl_quic_conn_set0_net_rbio(qc
, rbio
);
1448 BIO_free_all(sc
->rbio
);
1450 sc
->rlayer
.rrlmethod
->set1_bio(sc
->rlayer
.rrl
, sc
->rbio
);
1453 void SSL_set0_wbio(SSL
*s
, BIO
*wbio
)
1455 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1456 #ifndef OPENSSL_NO_QUIC
1457 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
1460 ossl_quic_conn_set0_net_wbio(qc
, wbio
);
1469 * If the output buffering BIO is still in place, remove it
1471 if (sc
->bbio
!= NULL
)
1472 sc
->wbio
= BIO_pop(sc
->wbio
);
1474 BIO_free_all(sc
->wbio
);
1477 /* Re-attach |bbio| to the new |wbio|. */
1478 if (sc
->bbio
!= NULL
)
1479 sc
->wbio
= BIO_push(sc
->bbio
, sc
->wbio
);
1481 sc
->rlayer
.wrlmethod
->set1_bio(sc
->rlayer
.wrl
, sc
->wbio
);
1484 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
1487 * For historical reasons, this function has many different cases in
1488 * ownership handling.
1491 /* If nothing has changed, do nothing */
1492 if (rbio
== SSL_get_rbio(s
) && wbio
== SSL_get_wbio(s
))
1496 * If the two arguments are equal then one fewer reference is granted by the
1497 * caller than we want to take
1499 if (rbio
!= NULL
&& rbio
== wbio
)
1503 * If only the wbio is changed only adopt one reference.
1505 if (rbio
== SSL_get_rbio(s
)) {
1506 SSL_set0_wbio(s
, wbio
);
1510 * There is an asymmetry here for historical reasons. If only the rbio is
1511 * changed AND the rbio and wbio were originally different, then we only
1512 * adopt one reference.
1514 if (wbio
== SSL_get_wbio(s
) && SSL_get_rbio(s
) != SSL_get_wbio(s
)) {
1515 SSL_set0_rbio(s
, rbio
);
1519 /* Otherwise, adopt both references. */
1520 SSL_set0_rbio(s
, rbio
);
1521 SSL_set0_wbio(s
, wbio
);
1524 BIO
*SSL_get_rbio(const SSL
*s
)
1526 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1527 #ifndef OPENSSL_NO_QUIC
1528 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
1531 return ossl_quic_conn_get_net_rbio(qc
);
1540 BIO
*SSL_get_wbio(const SSL
*s
)
1542 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1543 #ifndef OPENSSL_NO_QUIC
1544 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
1547 return ossl_quic_conn_get_net_rbio(qc
);
1553 if (sc
->bbio
!= NULL
) {
1555 * If |bbio| is active, the true caller-configured BIO is its
1558 return BIO_next(sc
->bbio
);
1563 int SSL_get_fd(const SSL
*s
)
1565 return SSL_get_rfd(s
);
1568 int SSL_get_rfd(const SSL
*s
)
1573 b
= SSL_get_rbio(s
);
1574 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1576 BIO_get_fd(r
, &ret
);
1580 int SSL_get_wfd(const SSL
*s
)
1585 b
= SSL_get_wbio(s
);
1586 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1588 BIO_get_fd(r
, &ret
);
1592 #ifndef OPENSSL_NO_SOCK
1593 int SSL_set_fd(SSL
*s
, int fd
)
1598 bio
= BIO_new(BIO_s_socket());
1601 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1604 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1605 SSL_set_bio(s
, bio
, bio
);
1606 #ifndef OPENSSL_NO_KTLS
1608 * The new socket is created successfully regardless of ktls_enable.
1609 * ktls_enable doesn't change any functionality of the socket, except
1610 * changing the setsockopt to enable the processing of ktls_start.
1611 * Thus, it is not a problem to call it for non-TLS sockets.
1614 #endif /* OPENSSL_NO_KTLS */
1620 int SSL_set_wfd(SSL
*s
, int fd
)
1622 BIO
*rbio
= SSL_get_rbio(s
);
1624 if (rbio
== NULL
|| BIO_method_type(rbio
) != BIO_TYPE_SOCKET
1625 || (int)BIO_get_fd(rbio
, NULL
) != fd
) {
1626 BIO
*bio
= BIO_new(BIO_s_socket());
1629 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1632 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1633 SSL_set0_wbio(s
, bio
);
1634 #ifndef OPENSSL_NO_KTLS
1636 * The new socket is created successfully regardless of ktls_enable.
1637 * ktls_enable doesn't change any functionality of the socket, except
1638 * changing the setsockopt to enable the processing of ktls_start.
1639 * Thus, it is not a problem to call it for non-TLS sockets.
1642 #endif /* OPENSSL_NO_KTLS */
1645 SSL_set0_wbio(s
, rbio
);
1650 int SSL_set_rfd(SSL
*s
, int fd
)
1652 BIO
*wbio
= SSL_get_wbio(s
);
1654 if (wbio
== NULL
|| BIO_method_type(wbio
) != BIO_TYPE_SOCKET
1655 || ((int)BIO_get_fd(wbio
, NULL
) != fd
)) {
1656 BIO
*bio
= BIO_new(BIO_s_socket());
1659 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1662 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1663 SSL_set0_rbio(s
, bio
);
1666 SSL_set0_rbio(s
, wbio
);
1673 /* return length of latest Finished message we sent, copy to 'buf' */
1674 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
1677 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1682 ret
= sc
->s3
.tmp
.finish_md_len
;
1685 memcpy(buf
, sc
->s3
.tmp
.finish_md
, count
);
1689 /* return length of latest Finished message we expected, copy to 'buf' */
1690 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
1693 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1698 ret
= sc
->s3
.tmp
.peer_finish_md_len
;
1701 memcpy(buf
, sc
->s3
.tmp
.peer_finish_md
, count
);
1705 int SSL_get_verify_mode(const SSL
*s
)
1707 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1712 return sc
->verify_mode
;
1715 int SSL_get_verify_depth(const SSL
*s
)
1717 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1722 return X509_VERIFY_PARAM_get_depth(sc
->param
);
1725 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
1726 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1731 return sc
->verify_callback
;
1734 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
1736 return ctx
->verify_mode
;
1739 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
1741 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
1744 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
1745 return ctx
->default_verify_callback
;
1748 void SSL_set_verify(SSL
*s
, int mode
,
1749 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
1751 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1756 sc
->verify_mode
= mode
;
1757 if (callback
!= NULL
)
1758 sc
->verify_callback
= callback
;
1761 void SSL_set_verify_depth(SSL
*s
, int depth
)
1763 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1768 X509_VERIFY_PARAM_set_depth(sc
->param
, depth
);
1771 void SSL_set_read_ahead(SSL
*s
, int yes
)
1773 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1774 OSSL_PARAM options
[2], *opts
= options
;
1779 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, yes
);
1781 *opts
++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD
,
1782 &sc
->rlayer
.read_ahead
);
1783 *opts
= OSSL_PARAM_construct_end();
1785 /* Ignore return value */
1786 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
1789 int SSL_get_read_ahead(const SSL
*s
)
1791 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1796 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
1799 int SSL_pending(const SSL
*s
)
1801 size_t pending
= s
->method
->ssl_pending(s
);
1804 * SSL_pending cannot work properly if read-ahead is enabled
1805 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
1806 * impossible to fix since SSL_pending cannot report errors that may be
1807 * observed while scanning the new data. (Note that SSL_pending() is
1808 * often used as a boolean value, so we'd better not return -1.)
1810 * SSL_pending also cannot work properly if the value >INT_MAX. In that case
1811 * we just return INT_MAX.
1813 return pending
< INT_MAX
? (int)pending
: INT_MAX
;
1816 int SSL_has_pending(const SSL
*s
)
1819 * Similar to SSL_pending() but returns a 1 to indicate that we have
1820 * processed or unprocessed data available or 0 otherwise (as opposed to the
1821 * number of bytes available). Unlike SSL_pending() this will take into
1822 * account read_ahead data. A 1 return simply indicates that we have data.
1823 * That data may not result in any application data, or we may fail to parse
1824 * the records for some reason.
1826 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1828 /* Check buffered app data if any first */
1829 if (SSL_CONNECTION_IS_DTLS(sc
)) {
1833 iter
= pqueue_iterator(sc
->rlayer
.d
->buffered_app_data
.q
);
1834 while ((item
= pqueue_next(&iter
)) != NULL
) {
1836 if (rdata
->length
> 0)
1841 if (RECORD_LAYER_processed_read_pending(&sc
->rlayer
))
1844 return RECORD_LAYER_read_pending(&sc
->rlayer
);
1847 X509
*SSL_get1_peer_certificate(const SSL
*s
)
1849 X509
*r
= SSL_get0_peer_certificate(s
);
1857 X509
*SSL_get0_peer_certificate(const SSL
*s
)
1859 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1864 if (sc
->session
== NULL
)
1867 return sc
->session
->peer
;
1870 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
1873 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1878 if (sc
->session
== NULL
)
1881 r
= sc
->session
->peer_chain
;
1884 * If we are a client, cert_chain includes the peer's own certificate; if
1885 * we are a server, it does not.
1892 * Now in theory, since the calling process own 't' it should be safe to
1893 * modify. We need to be able to read f without being hassled
1895 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
1898 /* TODO(QUIC): Do we want to support this for QUIC connections? */
1899 SSL_CONNECTION
*tsc
= SSL_CONNECTION_FROM_SSL_ONLY(t
);
1900 const SSL_CONNECTION
*fsc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(f
);
1902 if (tsc
== NULL
|| fsc
== NULL
)
1905 /* Do we need to do SSL locking? */
1906 if (!SSL_set_session(t
, SSL_get_session(f
))) {
1911 * what if we are setup for one protocol version but want to talk another
1913 if (t
->method
!= f
->method
) {
1914 t
->method
->ssl_deinit(t
);
1915 t
->method
= f
->method
;
1916 if (t
->method
->ssl_init(t
) == 0)
1920 CRYPTO_UP_REF(&fsc
->cert
->references
, &i
, fsc
->cert
->lock
);
1921 ssl_cert_free(tsc
->cert
);
1922 tsc
->cert
= fsc
->cert
;
1923 if (!SSL_set_session_id_context(t
, fsc
->sid_ctx
, (int)fsc
->sid_ctx_length
)) {
1930 /* Fix this so it checks all the valid key/cert options */
1931 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
1933 if ((ctx
== NULL
) || (ctx
->cert
->key
->x509
== NULL
)) {
1934 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1937 if (ctx
->cert
->key
->privatekey
== NULL
) {
1938 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1941 return X509_check_private_key
1942 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
);
1945 /* Fix this function so that it takes an optional type parameter */
1946 int SSL_check_private_key(const SSL
*ssl
)
1948 const SSL_CONNECTION
*sc
;
1950 if ((sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
)) == NULL
) {
1951 ERR_raise(ERR_LIB_SSL
, ERR_R_PASSED_NULL_PARAMETER
);
1954 if (sc
->cert
->key
->x509
== NULL
) {
1955 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1958 if (sc
->cert
->key
->privatekey
== NULL
) {
1959 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1962 return X509_check_private_key(sc
->cert
->key
->x509
,
1963 sc
->cert
->key
->privatekey
);
1966 int SSL_waiting_for_async(SSL
*s
)
1968 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1979 int SSL_get_all_async_fds(SSL
*s
, OSSL_ASYNC_FD
*fds
, size_t *numfds
)
1981 ASYNC_WAIT_CTX
*ctx
;
1982 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1987 if ((ctx
= sc
->waitctx
) == NULL
)
1989 return ASYNC_WAIT_CTX_get_all_fds(ctx
, fds
, numfds
);
1992 int SSL_get_changed_async_fds(SSL
*s
, OSSL_ASYNC_FD
*addfd
, size_t *numaddfds
,
1993 OSSL_ASYNC_FD
*delfd
, size_t *numdelfds
)
1995 ASYNC_WAIT_CTX
*ctx
;
1996 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2001 if ((ctx
= sc
->waitctx
) == NULL
)
2003 return ASYNC_WAIT_CTX_get_changed_fds(ctx
, addfd
, numaddfds
, delfd
,
2007 int SSL_CTX_set_async_callback(SSL_CTX
*ctx
, SSL_async_callback_fn callback
)
2009 ctx
->async_cb
= callback
;
2013 int SSL_CTX_set_async_callback_arg(SSL_CTX
*ctx
, void *arg
)
2015 ctx
->async_cb_arg
= arg
;
2019 int SSL_set_async_callback(SSL
*s
, SSL_async_callback_fn callback
)
2021 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2026 sc
->async_cb
= callback
;
2030 int SSL_set_async_callback_arg(SSL
*s
, void *arg
)
2032 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2037 sc
->async_cb_arg
= arg
;
2041 int SSL_get_async_status(SSL
*s
, int *status
)
2043 ASYNC_WAIT_CTX
*ctx
;
2044 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2049 if ((ctx
= sc
->waitctx
) == NULL
)
2051 *status
= ASYNC_WAIT_CTX_get_status(ctx
);
2055 int SSL_accept(SSL
*s
)
2057 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2058 #ifndef OPENSSL_NO_QUIC
2059 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2062 return s
->method
->ssl_accept(s
);
2068 if (sc
->handshake_func
== NULL
) {
2069 /* Not properly initialized yet */
2070 SSL_set_accept_state(s
);
2073 return SSL_do_handshake(s
);
2076 int SSL_connect(SSL
*s
)
2078 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2079 #ifndef OPENSSL_NO_QUIC
2080 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2083 return s
->method
->ssl_connect(s
);
2089 if (sc
->handshake_func
== NULL
) {
2090 /* Not properly initialized yet */
2091 SSL_set_connect_state(s
);
2094 return SSL_do_handshake(s
);
2097 long SSL_get_default_timeout(const SSL
*s
)
2099 return (long int)ossl_time2seconds(s
->method
->get_timeout());
2102 static int ssl_async_wait_ctx_cb(void *arg
)
2104 SSL
*s
= (SSL
*)arg
;
2105 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2110 return sc
->async_cb(s
, sc
->async_cb_arg
);
2113 static int ssl_start_async_job(SSL
*s
, struct ssl_async_args
*args
,
2114 int (*func
) (void *))
2117 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2122 if (sc
->waitctx
== NULL
) {
2123 sc
->waitctx
= ASYNC_WAIT_CTX_new();
2124 if (sc
->waitctx
== NULL
)
2126 if (sc
->async_cb
!= NULL
2127 && !ASYNC_WAIT_CTX_set_callback
2128 (sc
->waitctx
, ssl_async_wait_ctx_cb
, s
))
2132 sc
->rwstate
= SSL_NOTHING
;
2133 switch (ASYNC_start_job(&sc
->job
, sc
->waitctx
, &ret
, func
, args
,
2134 sizeof(struct ssl_async_args
))) {
2136 sc
->rwstate
= SSL_NOTHING
;
2137 ERR_raise(ERR_LIB_SSL
, SSL_R_FAILED_TO_INIT_ASYNC
);
2140 sc
->rwstate
= SSL_ASYNC_PAUSED
;
2143 sc
->rwstate
= SSL_ASYNC_NO_JOBS
;
2149 sc
->rwstate
= SSL_NOTHING
;
2150 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
2151 /* Shouldn't happen */
2156 static int ssl_io_intern(void *vargs
)
2158 struct ssl_async_args
*args
;
2164 args
= (struct ssl_async_args
*)vargs
;
2168 if ((sc
= SSL_CONNECTION_FROM_SSL(s
)) == NULL
)
2171 switch (args
->type
) {
2173 return args
->f
.func_read(s
, buf
, num
, &sc
->asyncrw
);
2175 return args
->f
.func_write(s
, buf
, num
, &sc
->asyncrw
);
2177 return args
->f
.func_other(s
);
2182 int ssl_read_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2184 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2185 #ifndef OPENSSL_NO_QUIC
2186 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2189 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2195 if (sc
->handshake_func
== NULL
) {
2196 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2200 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2201 sc
->rwstate
= SSL_NOTHING
;
2205 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2206 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
) {
2207 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2211 * If we are a client and haven't received the ServerHello etc then we
2214 ossl_statem_check_finish_init(sc
, 0);
2216 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2217 struct ssl_async_args args
;
2223 args
.type
= READFUNC
;
2224 args
.f
.func_read
= s
->method
->ssl_read
;
2226 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2227 *readbytes
= sc
->asyncrw
;
2230 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2234 int SSL_read(SSL
*s
, void *buf
, int num
)
2240 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2244 ret
= ssl_read_internal(s
, buf
, (size_t)num
, &readbytes
);
2247 * The cast is safe here because ret should be <= INT_MAX because num is
2251 ret
= (int)readbytes
;
2256 int SSL_read_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2258 int ret
= ssl_read_internal(s
, buf
, num
, readbytes
);
2265 int SSL_read_early_data(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2268 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2270 /* TODO(QUIC): This will need special handling for QUIC */
2275 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2276 return SSL_READ_EARLY_DATA_ERROR
;
2279 switch (sc
->early_data_state
) {
2280 case SSL_EARLY_DATA_NONE
:
2281 if (!SSL_in_before(s
)) {
2282 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2283 return SSL_READ_EARLY_DATA_ERROR
;
2287 case SSL_EARLY_DATA_ACCEPT_RETRY
:
2288 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPTING
;
2289 ret
= SSL_accept(s
);
2292 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPT_RETRY
;
2293 return SSL_READ_EARLY_DATA_ERROR
;
2297 case SSL_EARLY_DATA_READ_RETRY
:
2298 if (sc
->ext
.early_data
== SSL_EARLY_DATA_ACCEPTED
) {
2299 sc
->early_data_state
= SSL_EARLY_DATA_READING
;
2300 ret
= SSL_read_ex(s
, buf
, num
, readbytes
);
2302 * State machine will update early_data_state to
2303 * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData
2306 if (ret
> 0 || (ret
<= 0 && sc
->early_data_state
2307 != SSL_EARLY_DATA_FINISHED_READING
)) {
2308 sc
->early_data_state
= SSL_EARLY_DATA_READ_RETRY
;
2309 return ret
> 0 ? SSL_READ_EARLY_DATA_SUCCESS
2310 : SSL_READ_EARLY_DATA_ERROR
;
2313 sc
->early_data_state
= SSL_EARLY_DATA_FINISHED_READING
;
2316 return SSL_READ_EARLY_DATA_FINISH
;
2319 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2320 return SSL_READ_EARLY_DATA_ERROR
;
2324 int SSL_get_early_data_status(const SSL
*s
)
2326 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
2328 /* TODO(QUIC): This will need special handling for QUIC */
2332 return sc
->ext
.early_data
;
2335 static int ssl_peek_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2337 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2338 #ifndef OPENSSL_NO_QUIC
2339 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2342 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2348 if (sc
->handshake_func
== NULL
) {
2349 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2353 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2356 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2357 struct ssl_async_args args
;
2363 args
.type
= READFUNC
;
2364 args
.f
.func_read
= s
->method
->ssl_peek
;
2366 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2367 *readbytes
= sc
->asyncrw
;
2370 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2374 int SSL_peek(SSL
*s
, void *buf
, int num
)
2380 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2384 ret
= ssl_peek_internal(s
, buf
, (size_t)num
, &readbytes
);
2387 * The cast is safe here because ret should be <= INT_MAX because num is
2391 ret
= (int)readbytes
;
2397 int SSL_peek_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2399 int ret
= ssl_peek_internal(s
, buf
, num
, readbytes
);
2406 int ssl_write_internal(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2408 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2409 #ifndef OPENSSL_NO_QUIC
2410 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2413 return s
->method
->ssl_write(s
, buf
, num
, written
);
2419 if (sc
->handshake_func
== NULL
) {
2420 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2424 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2425 sc
->rwstate
= SSL_NOTHING
;
2426 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2430 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2431 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
2432 || sc
->early_data_state
== SSL_EARLY_DATA_READ_RETRY
) {
2433 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2436 /* If we are a client and haven't sent the Finished we better do that */
2437 ossl_statem_check_finish_init(sc
, 1);
2439 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2441 struct ssl_async_args args
;
2444 args
.buf
= (void *)buf
;
2446 args
.type
= WRITEFUNC
;
2447 args
.f
.func_write
= s
->method
->ssl_write
;
2449 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2450 *written
= sc
->asyncrw
;
2453 return s
->method
->ssl_write(s
, buf
, num
, written
);
2457 ossl_ssize_t
SSL_sendfile(SSL
*s
, int fd
, off_t offset
, size_t size
, int flags
)
2460 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2465 if (sc
->handshake_func
== NULL
) {
2466 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2470 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2471 sc
->rwstate
= SSL_NOTHING
;
2472 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2476 if (!BIO_get_ktls_send(sc
->wbio
)) {
2477 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2481 /* If we have an alert to send, lets send it */
2482 if (sc
->s3
.alert_dispatch
> 0) {
2483 ret
= (ossl_ssize_t
)s
->method
->ssl_dispatch_alert(s
);
2485 /* SSLfatal() already called if appropriate */
2488 /* if it went, fall through and send more stuff */
2491 sc
->rwstate
= SSL_WRITING
;
2492 if (BIO_flush(sc
->wbio
) <= 0) {
2493 if (!BIO_should_retry(sc
->wbio
)) {
2494 sc
->rwstate
= SSL_NOTHING
;
2497 set_sys_error(EAGAIN
);
2503 #ifdef OPENSSL_NO_KTLS
2504 ERR_raise_data(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
,
2505 "can't call ktls_sendfile(), ktls disabled");
2508 ret
= ktls_sendfile(SSL_get_wfd(s
), fd
, offset
, size
, flags
);
2510 #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY)
2511 if ((get_last_sys_error() == EAGAIN
) ||
2512 (get_last_sys_error() == EINTR
) ||
2513 (get_last_sys_error() == EBUSY
))
2514 BIO_set_retry_write(sc
->wbio
);
2517 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2520 sc
->rwstate
= SSL_NOTHING
;
2525 int SSL_write(SSL
*s
, const void *buf
, int num
)
2531 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2535 ret
= ssl_write_internal(s
, buf
, (size_t)num
, &written
);
2538 * The cast is safe here because ret should be <= INT_MAX because num is
2547 int SSL_write_ex(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2549 int ret
= ssl_write_internal(s
, buf
, num
, written
);
2556 int SSL_write_early_data(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2558 int ret
, early_data_state
;
2560 uint32_t partialwrite
;
2561 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2563 /* TODO(QUIC): This will need special handling for QUIC */
2567 switch (sc
->early_data_state
) {
2568 case SSL_EARLY_DATA_NONE
:
2570 || !SSL_in_before(s
)
2571 || ((sc
->session
== NULL
|| sc
->session
->ext
.max_early_data
== 0)
2572 && (sc
->psk_use_session_cb
== NULL
))) {
2573 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2578 case SSL_EARLY_DATA_CONNECT_RETRY
:
2579 sc
->early_data_state
= SSL_EARLY_DATA_CONNECTING
;
2580 ret
= SSL_connect(s
);
2583 sc
->early_data_state
= SSL_EARLY_DATA_CONNECT_RETRY
;
2588 case SSL_EARLY_DATA_WRITE_RETRY
:
2589 sc
->early_data_state
= SSL_EARLY_DATA_WRITING
;
2591 * We disable partial write for early data because we don't keep track
2592 * of how many bytes we've written between the SSL_write_ex() call and
2593 * the flush if the flush needs to be retried)
2595 partialwrite
= sc
->mode
& SSL_MODE_ENABLE_PARTIAL_WRITE
;
2596 sc
->mode
&= ~SSL_MODE_ENABLE_PARTIAL_WRITE
;
2597 ret
= SSL_write_ex(s
, buf
, num
, &writtmp
);
2598 sc
->mode
|= partialwrite
;
2600 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2603 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_FLUSH
;
2606 case SSL_EARLY_DATA_WRITE_FLUSH
:
2607 /* The buffering BIO is still in place so we need to flush it */
2608 if (statem_flush(sc
) != 1)
2611 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2614 case SSL_EARLY_DATA_FINISHED_READING
:
2615 case SSL_EARLY_DATA_READ_RETRY
:
2616 early_data_state
= sc
->early_data_state
;
2617 /* We are a server writing to an unauthenticated client */
2618 sc
->early_data_state
= SSL_EARLY_DATA_UNAUTH_WRITING
;
2619 ret
= SSL_write_ex(s
, buf
, num
, written
);
2620 /* The buffering BIO is still in place */
2622 (void)BIO_flush(sc
->wbio
);
2623 sc
->early_data_state
= early_data_state
;
2627 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2632 int SSL_shutdown(SSL
*s
)
2635 * Note that this function behaves differently from what one might
2636 * expect. Return values are 0 for no success (yet), 1 for success; but
2637 * calling it once is usually not enough, even if blocking I/O is used
2638 * (see ssl3_shutdown).
2640 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2641 #ifndef OPENSSL_NO_QUIC
2642 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2645 return ossl_quic_conn_shutdown(qc
, 0, NULL
, 0);
2651 if (sc
->handshake_func
== NULL
) {
2652 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2656 if (!SSL_in_init(s
)) {
2657 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2658 struct ssl_async_args args
;
2660 memset(&args
, 0, sizeof(args
));
2662 args
.type
= OTHERFUNC
;
2663 args
.f
.func_other
= s
->method
->ssl_shutdown
;
2665 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
2667 return s
->method
->ssl_shutdown(s
);
2670 ERR_raise(ERR_LIB_SSL
, SSL_R_SHUTDOWN_WHILE_IN_INIT
);
2675 int SSL_key_update(SSL
*s
, int updatetype
)
2677 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2682 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
2683 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2687 if (updatetype
!= SSL_KEY_UPDATE_NOT_REQUESTED
2688 && updatetype
!= SSL_KEY_UPDATE_REQUESTED
) {
2689 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_KEY_UPDATE_TYPE
);
2693 if (!SSL_is_init_finished(s
)) {
2694 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
2698 if (RECORD_LAYER_write_pending(&sc
->rlayer
)) {
2699 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_WRITE_RETRY
);
2703 ossl_statem_set_in_init(sc
, 1);
2704 sc
->key_update
= updatetype
;
2708 int SSL_get_key_update_type(const SSL
*s
)
2710 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
2715 return sc
->key_update
;
2719 * Can we accept a renegotiation request? If yes, set the flag and
2720 * return 1 if yes. If not, raise error and return 0.
2722 static int can_renegotiate(const SSL_CONNECTION
*sc
)
2724 if (SSL_CONNECTION_IS_TLS13(sc
)) {
2725 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2729 if ((sc
->options
& SSL_OP_NO_RENEGOTIATION
) != 0) {
2730 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_RENEGOTIATION
);
2737 int SSL_renegotiate(SSL
*s
)
2739 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2744 if (!can_renegotiate(sc
))
2747 sc
->renegotiate
= 1;
2748 sc
->new_session
= 1;
2749 return s
->method
->ssl_renegotiate(s
);
2752 int SSL_renegotiate_abbreviated(SSL
*s
)
2754 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2759 if (!can_renegotiate(sc
))
2762 sc
->renegotiate
= 1;
2763 sc
->new_session
= 0;
2764 return s
->method
->ssl_renegotiate(s
);
2767 int SSL_renegotiate_pending(const SSL
*s
)
2769 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2775 * becomes true when negotiation is requested; false again once a
2776 * handshake has finished
2778 return (sc
->renegotiate
!= 0);
2781 int SSL_new_session_ticket(SSL
*s
)
2783 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2788 /* If we are in init because we're sending tickets, okay to send more. */
2789 if ((SSL_in_init(s
) && sc
->ext
.extra_tickets_expected
== 0)
2790 || SSL_IS_FIRST_HANDSHAKE(sc
) || !sc
->server
2791 || !SSL_CONNECTION_IS_TLS13(sc
))
2793 sc
->ext
.extra_tickets_expected
++;
2794 if (!RECORD_LAYER_write_pending(&sc
->rlayer
) && !SSL_in_init(s
))
2795 ossl_statem_set_in_init(sc
, 1);
2799 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
2802 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2804 /* TODO(QUIC): Special handling for some ctrls will be needed */
2809 case SSL_CTRL_GET_READ_AHEAD
:
2810 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2811 case SSL_CTRL_SET_READ_AHEAD
:
2812 l
= RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2813 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, larg
);
2816 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
2817 sc
->msg_callback_arg
= parg
;
2822 OSSL_PARAM options
[2], *opts
= options
;
2826 *opts
++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE
,
2828 *opts
= OSSL_PARAM_construct_end();
2830 /* Ignore return value */
2831 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
2835 case SSL_CTRL_CLEAR_MODE
:
2836 return (sc
->mode
&= ~larg
);
2837 case SSL_CTRL_GET_MAX_CERT_LIST
:
2838 return (long)sc
->max_cert_list
;
2839 case SSL_CTRL_SET_MAX_CERT_LIST
:
2842 l
= (long)sc
->max_cert_list
;
2843 sc
->max_cert_list
= (size_t)larg
;
2845 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
2846 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
2848 #ifndef OPENSSL_NO_KTLS
2849 if (sc
->wbio
!= NULL
&& BIO_get_ktls_send(sc
->wbio
))
2851 #endif /* OPENSSL_NO_KTLS */
2852 sc
->max_send_fragment
= larg
;
2853 if (sc
->max_send_fragment
< sc
->split_send_fragment
)
2854 sc
->split_send_fragment
= sc
->max_send_fragment
;
2855 sc
->rlayer
.wrlmethod
->set_max_frag_len(sc
->rlayer
.wrl
, larg
);
2857 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
2858 if ((size_t)larg
> sc
->max_send_fragment
|| larg
== 0)
2860 sc
->split_send_fragment
= larg
;
2862 case SSL_CTRL_SET_MAX_PIPELINES
:
2863 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
2865 sc
->max_pipelines
= larg
;
2866 if (sc
->rlayer
.rrlmethod
->set_max_pipelines
!= NULL
)
2867 sc
->rlayer
.rrlmethod
->set_max_pipelines(sc
->rlayer
.rrl
, (size_t)larg
);
2869 case SSL_CTRL_GET_RI_SUPPORT
:
2870 return sc
->s3
.send_connection_binding
;
2871 case SSL_CTRL_SET_RETRY_VERIFY
:
2872 sc
->rwstate
= SSL_RETRY_VERIFY
;
2874 case SSL_CTRL_CERT_FLAGS
:
2875 return (sc
->cert
->cert_flags
|= larg
);
2876 case SSL_CTRL_CLEAR_CERT_FLAGS
:
2877 return (sc
->cert
->cert_flags
&= ~larg
);
2879 case SSL_CTRL_GET_RAW_CIPHERLIST
:
2881 if (sc
->s3
.tmp
.ciphers_raw
== NULL
)
2883 *(unsigned char **)parg
= sc
->s3
.tmp
.ciphers_raw
;
2884 return (int)sc
->s3
.tmp
.ciphers_rawlen
;
2886 return TLS_CIPHER_LEN
;
2888 case SSL_CTRL_GET_EXTMS_SUPPORT
:
2889 if (!sc
->session
|| SSL_in_init(s
) || ossl_statem_get_in_handshake(sc
))
2891 if (sc
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
2895 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
2896 return ssl_check_allowed_versions(larg
, sc
->max_proto_version
)
2897 && ssl_set_version_bound(s
->defltmeth
->version
, (int)larg
,
2898 &sc
->min_proto_version
);
2899 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
2900 return sc
->min_proto_version
;
2901 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
2902 return ssl_check_allowed_versions(sc
->min_proto_version
, larg
)
2903 && ssl_set_version_bound(s
->defltmeth
->version
, (int)larg
,
2904 &sc
->max_proto_version
);
2905 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
2906 return sc
->max_proto_version
;
2908 return s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
);
2912 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
2914 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2920 case SSL_CTRL_SET_MSG_CALLBACK
:
2921 sc
->msg_callback
= (void (*)
2922 (int write_p
, int version
, int content_type
,
2923 const void *buf
, size_t len
, SSL
*ssl
,
2928 return s
->method
->ssl_callback_ctrl(s
, cmd
, fp
);
2932 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
2934 return ctx
->sessions
;
2937 static int ssl_tsan_load(SSL_CTX
*ctx
, TSAN_QUALIFIER
int *stat
)
2941 if (ssl_tsan_lock(ctx
)) {
2942 res
= tsan_load(stat
);
2943 ssl_tsan_unlock(ctx
);
2948 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
2951 /* For some cases with ctx == NULL perform syntax checks */
2954 case SSL_CTRL_SET_GROUPS_LIST
:
2955 return tls1_set_groups_list(ctx
, NULL
, NULL
, parg
);
2956 case SSL_CTRL_SET_SIGALGS_LIST
:
2957 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
2958 return tls1_set_sigalgs_list(NULL
, parg
, 0);
2965 case SSL_CTRL_GET_READ_AHEAD
:
2966 return ctx
->read_ahead
;
2967 case SSL_CTRL_SET_READ_AHEAD
:
2968 l
= ctx
->read_ahead
;
2969 ctx
->read_ahead
= larg
;
2972 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
2973 ctx
->msg_callback_arg
= parg
;
2976 case SSL_CTRL_GET_MAX_CERT_LIST
:
2977 return (long)ctx
->max_cert_list
;
2978 case SSL_CTRL_SET_MAX_CERT_LIST
:
2981 l
= (long)ctx
->max_cert_list
;
2982 ctx
->max_cert_list
= (size_t)larg
;
2985 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
2988 l
= (long)ctx
->session_cache_size
;
2989 ctx
->session_cache_size
= (size_t)larg
;
2991 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
2992 return (long)ctx
->session_cache_size
;
2993 case SSL_CTRL_SET_SESS_CACHE_MODE
:
2994 l
= ctx
->session_cache_mode
;
2995 ctx
->session_cache_mode
= larg
;
2997 case SSL_CTRL_GET_SESS_CACHE_MODE
:
2998 return ctx
->session_cache_mode
;
3000 case SSL_CTRL_SESS_NUMBER
:
3001 return lh_SSL_SESSION_num_items(ctx
->sessions
);
3002 case SSL_CTRL_SESS_CONNECT
:
3003 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect
);
3004 case SSL_CTRL_SESS_CONNECT_GOOD
:
3005 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_good
);
3006 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
3007 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_renegotiate
);
3008 case SSL_CTRL_SESS_ACCEPT
:
3009 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept
);
3010 case SSL_CTRL_SESS_ACCEPT_GOOD
:
3011 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_good
);
3012 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
3013 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_renegotiate
);
3014 case SSL_CTRL_SESS_HIT
:
3015 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_hit
);
3016 case SSL_CTRL_SESS_CB_HIT
:
3017 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cb_hit
);
3018 case SSL_CTRL_SESS_MISSES
:
3019 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_miss
);
3020 case SSL_CTRL_SESS_TIMEOUTS
:
3021 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_timeout
);
3022 case SSL_CTRL_SESS_CACHE_FULL
:
3023 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cache_full
);
3025 return (ctx
->mode
|= larg
);
3026 case SSL_CTRL_CLEAR_MODE
:
3027 return (ctx
->mode
&= ~larg
);
3028 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
3029 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
3031 ctx
->max_send_fragment
= larg
;
3032 if (ctx
->max_send_fragment
< ctx
->split_send_fragment
)
3033 ctx
->split_send_fragment
= ctx
->max_send_fragment
;
3035 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
3036 if ((size_t)larg
> ctx
->max_send_fragment
|| larg
== 0)
3038 ctx
->split_send_fragment
= larg
;
3040 case SSL_CTRL_SET_MAX_PIPELINES
:
3041 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
3043 ctx
->max_pipelines
= larg
;
3045 case SSL_CTRL_CERT_FLAGS
:
3046 return (ctx
->cert
->cert_flags
|= larg
);
3047 case SSL_CTRL_CLEAR_CERT_FLAGS
:
3048 return (ctx
->cert
->cert_flags
&= ~larg
);
3049 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
3050 return ssl_check_allowed_versions(larg
, ctx
->max_proto_version
)
3051 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3052 &ctx
->min_proto_version
);
3053 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
3054 return ctx
->min_proto_version
;
3055 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
3056 return ssl_check_allowed_versions(ctx
->min_proto_version
, larg
)
3057 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3058 &ctx
->max_proto_version
);
3059 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
3060 return ctx
->max_proto_version
;
3062 return ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
);
3066 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
3069 case SSL_CTRL_SET_MSG_CALLBACK
:
3070 ctx
->msg_callback
= (void (*)
3071 (int write_p
, int version
, int content_type
,
3072 const void *buf
, size_t len
, SSL
*ssl
,
3077 return ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
);
3081 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
3090 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
3091 const SSL_CIPHER
*const *bp
)
3093 if ((*ap
)->id
> (*bp
)->id
)
3095 if ((*ap
)->id
< (*bp
)->id
)
3101 * return a STACK of the ciphers available for the SSL and in order of
3104 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
3106 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3109 if (sc
->cipher_list
!= NULL
) {
3110 return sc
->cipher_list
;
3111 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
3112 return s
->ctx
->cipher_list
;
3118 STACK_OF(SSL_CIPHER
) *SSL_get_client_ciphers(const SSL
*s
)
3120 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3122 if (sc
== NULL
|| !sc
->server
)
3124 return sc
->peer_ciphers
;
3127 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
3129 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
3131 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3136 ciphers
= SSL_get_ciphers(s
);
3139 if (!ssl_set_client_disabled(sc
))
3141 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
3142 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
3143 if (!ssl_cipher_disabled(sc
, c
, SSL_SECOP_CIPHER_SUPPORTED
, 0)) {
3145 sk
= sk_SSL_CIPHER_new_null();
3148 if (!sk_SSL_CIPHER_push(sk
, c
)) {
3149 sk_SSL_CIPHER_free(sk
);
3157 /** return a STACK of the ciphers available for the SSL and in order of
3159 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL_CONNECTION
*s
)
3162 if (s
->cipher_list_by_id
!= NULL
)
3163 return s
->cipher_list_by_id
;
3164 else if (s
->ssl
.ctx
!= NULL
3165 && s
->ssl
.ctx
->cipher_list_by_id
!= NULL
)
3166 return s
->ssl
.ctx
->cipher_list_by_id
;
3171 /** The old interface to get the same thing as SSL_get_ciphers() */
3172 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
3174 const SSL_CIPHER
*c
;
3175 STACK_OF(SSL_CIPHER
) *sk
;
3179 sk
= SSL_get_ciphers(s
);
3180 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
3182 c
= sk_SSL_CIPHER_value(sk
, n
);
3188 /** return a STACK of the ciphers available for the SSL_CTX and in order of
3190 STACK_OF(SSL_CIPHER
) *SSL_CTX_get_ciphers(const SSL_CTX
*ctx
)
3193 return ctx
->cipher_list
;
3198 * Distinguish between ciphers controlled by set_ciphersuite() and
3199 * set_cipher_list() when counting.
3201 static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER
) *sk
)
3204 const SSL_CIPHER
*c
;
3208 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); ++i
) {
3209 c
= sk_SSL_CIPHER_value(sk
, i
);
3210 if (c
->min_tls
>= TLS1_3_VERSION
)
3217 /** specify the ciphers to be used by default by the SSL_CTX */
3218 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
3220 STACK_OF(SSL_CIPHER
) *sk
;
3222 sk
= ssl_create_cipher_list(ctx
, ctx
->tls13_ciphersuites
,
3223 &ctx
->cipher_list
, &ctx
->cipher_list_by_id
, str
,
3226 * ssl_create_cipher_list may return an empty stack if it was unable to
3227 * find a cipher matching the given rule string (for example if the rule
3228 * string specifies a cipher which has been disabled). This is not an
3229 * error as far as ssl_create_cipher_list is concerned, and hence
3230 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
3234 else if (cipher_list_tls12_num(sk
) == 0) {
3235 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3241 /** specify the ciphers to be used by the SSL */
3242 int SSL_set_cipher_list(SSL
*s
, const char *str
)
3244 STACK_OF(SSL_CIPHER
) *sk
;
3245 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3250 sk
= ssl_create_cipher_list(s
->ctx
, sc
->tls13_ciphersuites
,
3251 &sc
->cipher_list
, &sc
->cipher_list_by_id
, str
,
3253 /* see comment in SSL_CTX_set_cipher_list */
3256 else if (cipher_list_tls12_num(sk
) == 0) {
3257 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3263 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int size
)
3266 STACK_OF(SSL_CIPHER
) *clntsk
, *srvrsk
;
3267 const SSL_CIPHER
*c
;
3269 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3275 || sc
->peer_ciphers
== NULL
3280 clntsk
= sc
->peer_ciphers
;
3281 srvrsk
= SSL_get_ciphers(s
);
3282 if (clntsk
== NULL
|| srvrsk
== NULL
)
3285 if (sk_SSL_CIPHER_num(clntsk
) == 0 || sk_SSL_CIPHER_num(srvrsk
) == 0)
3288 for (i
= 0; i
< sk_SSL_CIPHER_num(clntsk
); i
++) {
3291 c
= sk_SSL_CIPHER_value(clntsk
, i
);
3292 if (sk_SSL_CIPHER_find(srvrsk
, c
) < 0)
3295 n
= strlen(c
->name
);
3312 * Return the requested servername (SNI) value. Note that the behaviour varies
3314 * - whether this is called by the client or the server,
3315 * - if we are before or during/after the handshake,
3316 * - if a resumption or normal handshake is being attempted/has occurred
3317 * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3
3319 * Note that only the host_name type is defined (RFC 3546).
3321 const char *SSL_get_servername(const SSL
*s
, const int type
)
3323 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3330 * If we don't know if we are the client or the server yet then we assume
3333 server
= sc
->handshake_func
== NULL
? 0 : sc
->server
;
3335 if (type
!= TLSEXT_NAMETYPE_host_name
)
3341 * In TLSv1.3 on the server SNI is not associated with the session
3342 * but in TLSv1.2 or below it is.
3344 * Before the handshake:
3347 * During/after the handshake (TLSv1.2 or below resumption occurred):
3348 * - If a servername was accepted by the server in the original
3349 * handshake then it will return that servername, or NULL otherwise.
3351 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3352 * - The function will return the servername requested by the client in
3353 * this handshake or NULL if none was requested.
3355 if (sc
->hit
&& !SSL_CONNECTION_IS_TLS13(sc
))
3356 return sc
->session
->ext
.hostname
;
3361 * Before the handshake:
3362 * - If a servername has been set via a call to
3363 * SSL_set_tlsext_host_name() then it will return that servername
3364 * - If one has not been set, but a TLSv1.2 resumption is being
3365 * attempted and the session from the original handshake had a
3366 * servername accepted by the server then it will return that
3368 * - Otherwise it returns NULL
3370 * During/after the handshake (TLSv1.2 or below resumption occurred):
3371 * - If the session from the original handshake had a servername accepted
3372 * by the server then it will return that servername.
3373 * - Otherwise it returns the servername set via
3374 * SSL_set_tlsext_host_name() (or NULL if it was not called).
3376 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3377 * - It will return the servername set via SSL_set_tlsext_host_name()
3378 * (or NULL if it was not called).
3380 if (SSL_in_before(s
)) {
3381 if (sc
->ext
.hostname
== NULL
3382 && sc
->session
!= NULL
3383 && sc
->session
->ssl_version
!= TLS1_3_VERSION
)
3384 return sc
->session
->ext
.hostname
;
3386 if (!SSL_CONNECTION_IS_TLS13(sc
) && sc
->hit
3387 && sc
->session
->ext
.hostname
!= NULL
)
3388 return sc
->session
->ext
.hostname
;
3392 return sc
->ext
.hostname
;
3395 int SSL_get_servername_type(const SSL
*s
)
3397 if (SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
) != NULL
)
3398 return TLSEXT_NAMETYPE_host_name
;
3403 * SSL_select_next_proto implements the standard protocol selection. It is
3404 * expected that this function is called from the callback set by
3405 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
3406 * vector of 8-bit, length prefixed byte strings. The length byte itself is
3407 * not included in the length. A byte string of length 0 is invalid. No byte
3408 * string may be truncated. The current, but experimental algorithm for
3409 * selecting the protocol is: 1) If the server doesn't support NPN then this
3410 * is indicated to the callback. In this case, the client application has to
3411 * abort the connection or have a default application level protocol. 2) If
3412 * the server supports NPN, but advertises an empty list then the client
3413 * selects the first protocol in its list, but indicates via the API that this
3414 * fallback case was enacted. 3) Otherwise, the client finds the first
3415 * protocol in the server's list that it supports and selects this protocol.
3416 * This is because it's assumed that the server has better information about
3417 * which protocol a client should use. 4) If the client doesn't support any
3418 * of the server's advertised protocols, then this is treated the same as
3419 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
3420 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
3422 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
3423 const unsigned char *server
,
3424 unsigned int server_len
,
3425 const unsigned char *client
, unsigned int client_len
)
3428 const unsigned char *result
;
3429 int status
= OPENSSL_NPN_UNSUPPORTED
;
3432 * For each protocol in server preference order, see if we support it.
3434 for (i
= 0; i
< server_len
;) {
3435 for (j
= 0; j
< client_len
;) {
3436 if (server
[i
] == client
[j
] &&
3437 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
3438 /* We found a match */
3439 result
= &server
[i
];
3440 status
= OPENSSL_NPN_NEGOTIATED
;
3450 /* There's no overlap between our protocols and the server's list. */
3452 status
= OPENSSL_NPN_NO_OVERLAP
;
3455 *out
= (unsigned char *)result
+ 1;
3456 *outlen
= result
[0];
3460 #ifndef OPENSSL_NO_NEXTPROTONEG
3462 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
3463 * client's requested protocol for this connection and returns 0. If the
3464 * client didn't request any protocol, then *data is set to NULL. Note that
3465 * the client can request any protocol it chooses. The value returned from
3466 * this function need not be a member of the list of supported protocols
3467 * provided by the callback.
3469 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
3472 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3475 /* We have no other way to indicate error */
3481 *data
= sc
->ext
.npn
;
3482 if (*data
== NULL
) {
3485 *len
= (unsigned int)sc
->ext
.npn_len
;
3490 * SSL_CTX_set_npn_advertised_cb sets a callback that is called when
3491 * a TLS server needs a list of supported protocols for Next Protocol
3492 * Negotiation. The returned list must be in wire format. The list is
3493 * returned by setting |out| to point to it and |outlen| to its length. This
3494 * memory will not be modified, but one should assume that the SSL* keeps a
3495 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
3496 * wishes to advertise. Otherwise, no such extension will be included in the
3499 void SSL_CTX_set_npn_advertised_cb(SSL_CTX
*ctx
,
3500 SSL_CTX_npn_advertised_cb_func cb
,
3503 ctx
->ext
.npn_advertised_cb
= cb
;
3504 ctx
->ext
.npn_advertised_cb_arg
= arg
;
3508 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
3509 * client needs to select a protocol from the server's provided list. |out|
3510 * must be set to point to the selected protocol (which may be within |in|).
3511 * The length of the protocol name must be written into |outlen|. The
3512 * server's advertised protocols are provided in |in| and |inlen|. The
3513 * callback can assume that |in| is syntactically valid. The client must
3514 * select a protocol. It is fatal to the connection if this callback returns
3515 * a value other than SSL_TLSEXT_ERR_OK.
3517 void SSL_CTX_set_npn_select_cb(SSL_CTX
*ctx
,
3518 SSL_CTX_npn_select_cb_func cb
,
3521 ctx
->ext
.npn_select_cb
= cb
;
3522 ctx
->ext
.npn_select_cb_arg
= arg
;
3526 static int alpn_value_ok(const unsigned char *protos
, unsigned int protos_len
)
3530 if (protos_len
< 2 || protos
== NULL
)
3533 for (idx
= 0; idx
< protos_len
; idx
+= protos
[idx
] + 1) {
3534 if (protos
[idx
] == 0)
3537 return idx
== protos_len
;
3540 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
3541 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3542 * length-prefixed strings). Returns 0 on success.
3544 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
3545 unsigned int protos_len
)
3547 unsigned char *alpn
;
3549 if (protos_len
== 0 || protos
== NULL
) {
3550 OPENSSL_free(ctx
->ext
.alpn
);
3551 ctx
->ext
.alpn
= NULL
;
3552 ctx
->ext
.alpn_len
= 0;
3555 /* Not valid per RFC */
3556 if (!alpn_value_ok(protos
, protos_len
))
3559 alpn
= OPENSSL_memdup(protos
, protos_len
);
3562 OPENSSL_free(ctx
->ext
.alpn
);
3563 ctx
->ext
.alpn
= alpn
;
3564 ctx
->ext
.alpn_len
= protos_len
;
3570 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
3571 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3572 * length-prefixed strings). Returns 0 on success.
3574 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
3575 unsigned int protos_len
)
3577 unsigned char *alpn
;
3578 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
3583 if (protos_len
== 0 || protos
== NULL
) {
3584 OPENSSL_free(sc
->ext
.alpn
);
3585 sc
->ext
.alpn
= NULL
;
3586 sc
->ext
.alpn_len
= 0;
3589 /* Not valid per RFC */
3590 if (!alpn_value_ok(protos
, protos_len
))
3593 alpn
= OPENSSL_memdup(protos
, protos_len
);
3596 OPENSSL_free(sc
->ext
.alpn
);
3597 sc
->ext
.alpn
= alpn
;
3598 sc
->ext
.alpn_len
= protos_len
;
3604 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
3605 * called during ClientHello processing in order to select an ALPN protocol
3606 * from the client's list of offered protocols.
3608 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
3609 SSL_CTX_alpn_select_cb_func cb
,
3612 ctx
->ext
.alpn_select_cb
= cb
;
3613 ctx
->ext
.alpn_select_cb_arg
= arg
;
3617 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
3618 * On return it sets |*data| to point to |*len| bytes of protocol name
3619 * (not including the leading length-prefix byte). If the server didn't
3620 * respond with a negotiated protocol then |*len| will be zero.
3622 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
3625 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
3628 /* We have no other way to indicate error */
3634 *data
= sc
->s3
.alpn_selected
;
3638 *len
= (unsigned int)sc
->s3
.alpn_selected_len
;
3641 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
3642 const char *label
, size_t llen
,
3643 const unsigned char *context
, size_t contextlen
,
3646 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3651 if (sc
->session
== NULL
3652 || (sc
->version
< TLS1_VERSION
&& sc
->version
!= DTLS1_BAD_VER
))
3655 return s
->method
->ssl3_enc
->export_keying_material(sc
, out
, olen
, label
,
3657 contextlen
, use_context
);
3660 int SSL_export_keying_material_early(SSL
*s
, unsigned char *out
, size_t olen
,
3661 const char *label
, size_t llen
,
3662 const unsigned char *context
,
3665 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3670 if (sc
->version
!= TLS1_3_VERSION
)
3673 return tls13_export_keying_material_early(sc
, out
, olen
, label
, llen
,
3674 context
, contextlen
);
3677 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
3679 const unsigned char *session_id
= a
->session_id
;
3681 unsigned char tmp_storage
[4];
3683 if (a
->session_id_length
< sizeof(tmp_storage
)) {
3684 memset(tmp_storage
, 0, sizeof(tmp_storage
));
3685 memcpy(tmp_storage
, a
->session_id
, a
->session_id_length
);
3686 session_id
= tmp_storage
;
3690 ((unsigned long)session_id
[0]) |
3691 ((unsigned long)session_id
[1] << 8L) |
3692 ((unsigned long)session_id
[2] << 16L) |
3693 ((unsigned long)session_id
[3] << 24L);
3698 * NB: If this function (or indeed the hash function which uses a sort of
3699 * coarser function than this one) is changed, ensure
3700 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
3701 * being able to construct an SSL_SESSION that will collide with any existing
3702 * session with a matching session ID.
3704 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
3706 if (a
->ssl_version
!= b
->ssl_version
)
3708 if (a
->session_id_length
!= b
->session_id_length
)
3710 return memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
);
3714 * These wrapper functions should remain rather than redeclaring
3715 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
3716 * variable. The reason is that the functions aren't static, they're exposed
3720 SSL_CTX
*SSL_CTX_new_ex(OSSL_LIB_CTX
*libctx
, const char *propq
,
3721 const SSL_METHOD
*meth
)
3723 SSL_CTX
*ret
= NULL
;
3724 #ifndef OPENSSL_NO_COMP_ALG
3729 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_METHOD_PASSED
);
3733 if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
, NULL
))
3736 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
3737 ERR_raise(ERR_LIB_SSL
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
3740 ret
= OPENSSL_zalloc(sizeof(*ret
));
3744 /* Init the reference counting before any call to SSL_CTX_free */
3745 ret
->references
= 1;
3746 ret
->lock
= CRYPTO_THREAD_lock_new();
3747 if (ret
->lock
== NULL
) {
3748 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3752 #ifdef TSAN_REQUIRES_LOCKING
3753 ret
->tsan_lock
= CRYPTO_THREAD_lock_new();
3754 if (ret
->tsan_lock
== NULL
) {
3755 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3760 ret
->libctx
= libctx
;
3761 if (propq
!= NULL
) {
3762 ret
->propq
= OPENSSL_strdup(propq
);
3763 if (ret
->propq
== NULL
)
3768 ret
->min_proto_version
= 0;
3769 ret
->max_proto_version
= 0;
3770 ret
->mode
= SSL_MODE_AUTO_RETRY
;
3771 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
3772 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
3773 /* We take the system default. */
3774 ret
->session_timeout
= meth
->get_timeout();
3775 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
3776 ret
->verify_mode
= SSL_VERIFY_NONE
;
3777 if ((ret
->cert
= ssl_cert_new()) == NULL
) {
3778 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3782 ret
->sessions
= lh_SSL_SESSION_new(ssl_session_hash
, ssl_session_cmp
);
3783 if (ret
->sessions
== NULL
) {
3784 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3787 ret
->cert_store
= X509_STORE_new();
3788 if (ret
->cert_store
== NULL
) {
3789 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3792 #ifndef OPENSSL_NO_CT
3793 ret
->ctlog_store
= CTLOG_STORE_new_ex(libctx
, propq
);
3794 if (ret
->ctlog_store
== NULL
) {
3795 ERR_raise(ERR_LIB_SSL
, ERR_R_CT_LIB
);
3800 /* initialize cipher/digest methods table */
3801 if (!ssl_load_ciphers(ret
))
3803 /* initialise sig algs */
3804 if (!ssl_setup_sig_algs(ret
))
3807 if (!ssl_load_groups(ret
))
3810 if (!SSL_CTX_set_ciphersuites(ret
, OSSL_default_ciphersuites())) {
3811 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3815 if (!ssl_create_cipher_list(ret
,
3816 ret
->tls13_ciphersuites
,
3817 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
3818 OSSL_default_cipher_list(), ret
->cert
)
3819 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
3820 ERR_raise(ERR_LIB_SSL
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
3824 ret
->param
= X509_VERIFY_PARAM_new();
3825 if (ret
->param
== NULL
) {
3826 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3831 * If these aren't available from the provider we'll get NULL returns.
3832 * That's fine but will cause errors later if SSLv3 is negotiated
3834 ret
->md5
= ssl_evp_md_fetch(libctx
, NID_md5
, propq
);
3835 ret
->sha1
= ssl_evp_md_fetch(libctx
, NID_sha1
, propq
);
3837 if ((ret
->ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3838 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3842 if ((ret
->client_ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3843 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3847 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
)) {
3848 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3852 if ((ret
->ext
.secure
= OPENSSL_secure_zalloc(sizeof(*ret
->ext
.secure
))) == NULL
)
3855 /* No compression for DTLS */
3856 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
3857 ret
->comp_methods
= SSL_COMP_get_compression_methods();
3859 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3860 ret
->split_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3862 /* Setup RFC5077 ticket keys */
3863 if ((RAND_bytes_ex(libctx
, ret
->ext
.tick_key_name
,
3864 sizeof(ret
->ext
.tick_key_name
), 0) <= 0)
3865 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_hmac_key
,
3866 sizeof(ret
->ext
.secure
->tick_hmac_key
), 0) <= 0)
3867 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_aes_key
,
3868 sizeof(ret
->ext
.secure
->tick_aes_key
), 0) <= 0))
3869 ret
->options
|= SSL_OP_NO_TICKET
;
3871 if (RAND_priv_bytes_ex(libctx
, ret
->ext
.cookie_hmac_key
,
3872 sizeof(ret
->ext
.cookie_hmac_key
), 0) <= 0) {
3873 ERR_raise(ERR_LIB_SSL
, ERR_R_RAND_LIB
);
3877 #ifndef OPENSSL_NO_SRP
3878 if (!ssl_ctx_srp_ctx_init_intern(ret
)) {
3879 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3883 #ifndef OPENSSL_NO_ENGINE
3884 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
3885 # define eng_strx(x) #x
3886 # define eng_str(x) eng_strx(x)
3887 /* Use specific client engine automatically... ignore errors */
3890 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
3893 ENGINE_load_builtin_engines();
3894 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
3896 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
3902 #ifndef OPENSSL_NO_COMP_ALG
3904 * Set the default order: brotli, zlib, zstd
3905 * Including only those enabled algorithms
3907 memset(ret
->cert_comp_prefs
, 0, sizeof(ret
->cert_comp_prefs
));
3909 if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli
))
3910 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_brotli
;
3911 if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib
))
3912 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zlib
;
3913 if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd
))
3914 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zstd
;
3917 * Disable compression by default to prevent CRIME. Applications can
3918 * re-enable compression by configuring
3919 * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION);
3920 * or by using the SSL_CONF library. Similarly we also enable TLSv1.3
3921 * middlebox compatibility by default. This may be disabled by default in
3922 * a later OpenSSL version.
3924 ret
->options
|= SSL_OP_NO_COMPRESSION
| SSL_OP_ENABLE_MIDDLEBOX_COMPAT
;
3926 ret
->ext
.status_type
= TLSEXT_STATUSTYPE_nothing
;
3929 * We cannot usefully set a default max_early_data here (which gets
3930 * propagated in SSL_new(), for the following reason: setting the
3931 * SSL field causes tls_construct_stoc_early_data() to tell the
3932 * client that early data will be accepted when constructing a TLS 1.3
3933 * session ticket, and the client will accordingly send us early data
3934 * when using that ticket (if the client has early data to send).
3935 * However, in order for the early data to actually be consumed by
3936 * the application, the application must also have calls to
3937 * SSL_read_early_data(); otherwise we'll just skip past the early data
3938 * and ignore it. So, since the application must add calls to
3939 * SSL_read_early_data(), we also require them to add
3940 * calls to SSL_CTX_set_max_early_data() in order to use early data,
3941 * eliminating the bandwidth-wasting early data in the case described
3944 ret
->max_early_data
= 0;
3947 * Default recv_max_early_data is a fully loaded single record. Could be
3948 * split across multiple records in practice. We set this differently to
3949 * max_early_data so that, in the default case, we do not advertise any
3950 * support for early_data, but if a client were to send us some (e.g.
3951 * because of an old, stale ticket) then we will tolerate it and skip over
3954 ret
->recv_max_early_data
= SSL3_RT_MAX_PLAIN_LENGTH
;
3956 /* By default we send two session tickets automatically in TLSv1.3 */
3957 ret
->num_tickets
= 2;
3959 ssl_ctx_system_config(ret
);
3967 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
3969 return SSL_CTX_new_ex(NULL
, NULL
, meth
);
3972 int SSL_CTX_up_ref(SSL_CTX
*ctx
)
3976 if (CRYPTO_UP_REF(&ctx
->references
, &i
, ctx
->lock
) <= 0)
3979 REF_PRINT_COUNT("SSL_CTX", ctx
);
3980 REF_ASSERT_ISNT(i
< 2);
3981 return ((i
> 1) ? 1 : 0);
3984 void SSL_CTX_free(SSL_CTX
*a
)
3992 CRYPTO_DOWN_REF(&a
->references
, &i
, a
->lock
);
3993 REF_PRINT_COUNT("SSL_CTX", a
);
3996 REF_ASSERT_ISNT(i
< 0);
3998 X509_VERIFY_PARAM_free(a
->param
);
3999 dane_ctx_final(&a
->dane
);
4002 * Free internal session cache. However: the remove_cb() may reference
4003 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
4004 * after the sessions were flushed.
4005 * As the ex_data handling routines might also touch the session cache,
4006 * the most secure solution seems to be: empty (flush) the cache, then
4007 * free ex_data, then finally free the cache.
4008 * (See ticket [openssl.org #212].)
4010 if (a
->sessions
!= NULL
)
4011 SSL_CTX_flush_sessions(a
, 0);
4013 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
4014 lh_SSL_SESSION_free(a
->sessions
);
4015 X509_STORE_free(a
->cert_store
);
4016 #ifndef OPENSSL_NO_CT
4017 CTLOG_STORE_free(a
->ctlog_store
);
4019 sk_SSL_CIPHER_free(a
->cipher_list
);
4020 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
4021 sk_SSL_CIPHER_free(a
->tls13_ciphersuites
);
4022 ssl_cert_free(a
->cert
);
4023 sk_X509_NAME_pop_free(a
->ca_names
, X509_NAME_free
);
4024 sk_X509_NAME_pop_free(a
->client_ca_names
, X509_NAME_free
);
4025 OSSL_STACK_OF_X509_free(a
->extra_certs
);
4026 a
->comp_methods
= NULL
;
4027 #ifndef OPENSSL_NO_SRTP
4028 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
4030 #ifndef OPENSSL_NO_SRP
4031 ssl_ctx_srp_ctx_free_intern(a
);
4033 #ifndef OPENSSL_NO_ENGINE
4034 tls_engine_finish(a
->client_cert_engine
);
4037 OPENSSL_free(a
->ext
.ecpointformats
);
4038 OPENSSL_free(a
->ext
.supportedgroups
);
4039 OPENSSL_free(a
->ext
.supported_groups_default
);
4040 OPENSSL_free(a
->ext
.alpn
);
4041 OPENSSL_secure_free(a
->ext
.secure
);
4043 ssl_evp_md_free(a
->md5
);
4044 ssl_evp_md_free(a
->sha1
);
4046 for (j
= 0; j
< SSL_ENC_NUM_IDX
; j
++)
4047 ssl_evp_cipher_free(a
->ssl_cipher_methods
[j
]);
4048 for (j
= 0; j
< SSL_MD_NUM_IDX
; j
++)
4049 ssl_evp_md_free(a
->ssl_digest_methods
[j
]);
4050 for (j
= 0; j
< a
->group_list_len
; j
++) {
4051 OPENSSL_free(a
->group_list
[j
].tlsname
);
4052 OPENSSL_free(a
->group_list
[j
].realname
);
4053 OPENSSL_free(a
->group_list
[j
].algorithm
);
4055 OPENSSL_free(a
->group_list
);
4057 OPENSSL_free(a
->sigalg_lookup_cache
);
4059 CRYPTO_THREAD_lock_free(a
->lock
);
4060 #ifdef TSAN_REQUIRES_LOCKING
4061 CRYPTO_THREAD_lock_free(a
->tsan_lock
);
4064 OPENSSL_free(a
->propq
);
4069 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
4071 ctx
->default_passwd_callback
= cb
;
4074 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
4076 ctx
->default_passwd_callback_userdata
= u
;
4079 pem_password_cb
*SSL_CTX_get_default_passwd_cb(SSL_CTX
*ctx
)
4081 return ctx
->default_passwd_callback
;
4084 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX
*ctx
)
4086 return ctx
->default_passwd_callback_userdata
;
4089 void SSL_set_default_passwd_cb(SSL
*s
, pem_password_cb
*cb
)
4091 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4096 sc
->default_passwd_callback
= cb
;
4099 void SSL_set_default_passwd_cb_userdata(SSL
*s
, void *u
)
4101 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4106 sc
->default_passwd_callback_userdata
= u
;
4109 pem_password_cb
*SSL_get_default_passwd_cb(SSL
*s
)
4111 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4116 return sc
->default_passwd_callback
;
4119 void *SSL_get_default_passwd_cb_userdata(SSL
*s
)
4121 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4126 return sc
->default_passwd_callback_userdata
;
4129 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
4130 int (*cb
) (X509_STORE_CTX
*, void *),
4133 ctx
->app_verify_callback
= cb
;
4134 ctx
->app_verify_arg
= arg
;
4137 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
4138 int (*cb
) (int, X509_STORE_CTX
*))
4140 ctx
->verify_mode
= mode
;
4141 ctx
->default_verify_callback
= cb
;
4144 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
4146 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
4149 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4151 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
4154 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4156 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4161 ssl_cert_set_cert_cb(sc
->cert
, cb
, arg
);
4164 void ssl_set_masks(SSL_CONNECTION
*s
)
4167 uint32_t *pvalid
= s
->s3
.tmp
.valid_flags
;
4168 int rsa_enc
, rsa_sign
, dh_tmp
, dsa_sign
;
4169 unsigned long mask_k
, mask_a
;
4170 int have_ecc_cert
, ecdsa_ok
;
4175 dh_tmp
= (c
->dh_tmp
!= NULL
4176 || c
->dh_tmp_cb
!= NULL
4179 rsa_enc
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4180 rsa_sign
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4181 dsa_sign
= pvalid
[SSL_PKEY_DSA_SIGN
] & CERT_PKEY_VALID
;
4182 have_ecc_cert
= pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_VALID
;
4186 OSSL_TRACE4(TLS_CIPHER
, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n",
4187 dh_tmp
, rsa_enc
, rsa_sign
, dsa_sign
);
4189 #ifndef OPENSSL_NO_GOST
4190 if (ssl_has_cert(s
, SSL_PKEY_GOST12_512
)) {
4191 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4192 mask_a
|= SSL_aGOST12
;
4194 if (ssl_has_cert(s
, SSL_PKEY_GOST12_256
)) {
4195 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4196 mask_a
|= SSL_aGOST12
;
4198 if (ssl_has_cert(s
, SSL_PKEY_GOST01
)) {
4199 mask_k
|= SSL_kGOST
;
4200 mask_a
|= SSL_aGOST01
;
4211 * If we only have an RSA-PSS certificate allow RSA authentication
4212 * if TLS 1.2 and peer supports it.
4215 if (rsa_enc
|| rsa_sign
|| (ssl_has_cert(s
, SSL_PKEY_RSA_PSS_SIGN
)
4216 && pvalid
[SSL_PKEY_RSA_PSS_SIGN
] & CERT_PKEY_EXPLICIT_SIGN
4217 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
))
4224 mask_a
|= SSL_aNULL
;
4227 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
4228 * depending on the key usage extension.
4230 if (have_ecc_cert
) {
4232 ex_kusage
= X509_get_key_usage(c
->pkeys
[SSL_PKEY_ECC
].x509
);
4233 ecdsa_ok
= ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
;
4234 if (!(pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_SIGN
))
4237 mask_a
|= SSL_aECDSA
;
4239 /* Allow Ed25519 for TLS 1.2 if peer supports it */
4240 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED25519
)
4241 && pvalid
[SSL_PKEY_ED25519
] & CERT_PKEY_EXPLICIT_SIGN
4242 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4243 mask_a
|= SSL_aECDSA
;
4245 /* Allow Ed448 for TLS 1.2 if peer supports it */
4246 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED448
)
4247 && pvalid
[SSL_PKEY_ED448
] & CERT_PKEY_EXPLICIT_SIGN
4248 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4249 mask_a
|= SSL_aECDSA
;
4251 mask_k
|= SSL_kECDHE
;
4253 #ifndef OPENSSL_NO_PSK
4256 if (mask_k
& SSL_kRSA
)
4257 mask_k
|= SSL_kRSAPSK
;
4258 if (mask_k
& SSL_kDHE
)
4259 mask_k
|= SSL_kDHEPSK
;
4260 if (mask_k
& SSL_kECDHE
)
4261 mask_k
|= SSL_kECDHEPSK
;
4264 s
->s3
.tmp
.mask_k
= mask_k
;
4265 s
->s3
.tmp
.mask_a
= mask_a
;
4268 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL_CONNECTION
*s
)
4270 if (s
->s3
.tmp
.new_cipher
->algorithm_auth
& SSL_aECDSA
) {
4271 /* key usage, if present, must allow signing */
4272 if (!(X509_get_key_usage(x
) & X509v3_KU_DIGITAL_SIGNATURE
)) {
4273 ERR_raise(ERR_LIB_SSL
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
4277 return 1; /* all checks are ok */
4280 int ssl_get_server_cert_serverinfo(SSL_CONNECTION
*s
,
4281 const unsigned char **serverinfo
,
4282 size_t *serverinfo_length
)
4284 CERT_PKEY
*cpk
= s
->s3
.tmp
.cert
;
4285 *serverinfo_length
= 0;
4287 if (cpk
== NULL
|| cpk
->serverinfo
== NULL
)
4290 *serverinfo
= cpk
->serverinfo
;
4291 *serverinfo_length
= cpk
->serverinfo_length
;
4295 void ssl_update_cache(SSL_CONNECTION
*s
, int mode
)
4300 * If the session_id_length is 0, we are not supposed to cache it, and it
4301 * would be rather hard to do anyway :-)
4303 if (s
->session
->session_id_length
== 0)
4307 * If sid_ctx_length is 0 there is no specific application context
4308 * associated with this session, so when we try to resume it and
4309 * SSL_VERIFY_PEER is requested to verify the client identity, we have no
4310 * indication that this is actually a session for the proper application
4311 * context, and the *handshake* will fail, not just the resumption attempt.
4312 * Do not cache (on the server) these sessions that are not resumable
4313 * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set).
4315 if (s
->server
&& s
->session
->sid_ctx_length
== 0
4316 && (s
->verify_mode
& SSL_VERIFY_PEER
) != 0)
4319 i
= s
->session_ctx
->session_cache_mode
;
4321 && (!s
->hit
|| SSL_CONNECTION_IS_TLS13(s
))) {
4323 * Add the session to the internal cache. In server side TLSv1.3 we
4324 * normally don't do this because by default it's a full stateless ticket
4325 * with only a dummy session id so there is no reason to cache it,
4327 * - we are doing early_data, in which case we cache so that we can
4329 * - the application has set a remove_session_cb so needs to know about
4330 * session timeout events
4331 * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket
4333 if ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
) == 0
4334 && (!SSL_CONNECTION_IS_TLS13(s
)
4336 || (s
->max_early_data
> 0
4337 && (s
->options
& SSL_OP_NO_ANTI_REPLAY
) == 0)
4338 || s
->session_ctx
->remove_session_cb
!= NULL
4339 || (s
->options
& SSL_OP_NO_TICKET
) != 0))
4340 SSL_CTX_add_session(s
->session_ctx
, s
->session
);
4343 * Add the session to the external cache. We do this even in server side
4344 * TLSv1.3 without early data because some applications just want to
4345 * know about the creation of a session and aren't doing a full cache.
4347 if (s
->session_ctx
->new_session_cb
!= NULL
) {
4348 SSL_SESSION_up_ref(s
->session
);
4349 if (!s
->session_ctx
->new_session_cb(SSL_CONNECTION_GET_SSL(s
),
4351 SSL_SESSION_free(s
->session
);
4355 /* auto flush every 255 connections */
4356 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
4357 TSAN_QUALIFIER
int *stat
;
4359 if (mode
& SSL_SESS_CACHE_CLIENT
)
4360 stat
= &s
->session_ctx
->stats
.sess_connect_good
;
4362 stat
= &s
->session_ctx
->stats
.sess_accept_good
;
4363 if ((ssl_tsan_load(s
->session_ctx
, stat
) & 0xff) == 0xff)
4364 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
4368 const SSL_METHOD
*SSL_CTX_get_ssl_method(const SSL_CTX
*ctx
)
4373 const SSL_METHOD
*SSL_get_ssl_method(const SSL
*s
)
4378 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
4381 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4383 /* TODO(QUIC): Do we want this for QUIC? */
4385 || (s
->type
!= SSL_TYPE_SSL_CONNECTION
&& s
->method
!= meth
))
4388 if (s
->method
!= meth
) {
4389 const SSL_METHOD
*sm
= s
->method
;
4390 int (*hf
) (SSL
*) = sc
->handshake_func
;
4392 if (sm
->version
== meth
->version
)
4397 ret
= s
->method
->ssl_init(s
);
4400 if (hf
== sm
->ssl_connect
)
4401 sc
->handshake_func
= meth
->ssl_connect
;
4402 else if (hf
== sm
->ssl_accept
)
4403 sc
->handshake_func
= meth
->ssl_accept
;
4408 int SSL_get_error(const SSL
*s
, int i
)
4413 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4414 #ifndef OPENSSL_NO_QUIC
4415 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
4419 return SSL_ERROR_NONE
;
4421 #ifndef OPENSSL_NO_QUIC
4423 reason
= ossl_quic_get_error(qc
, i
);
4424 if (reason
!= SSL_ERROR_NONE
)
4430 return SSL_ERROR_SSL
;
4433 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
4434 * where we do encode the error
4436 if ((l
= ERR_peek_error()) != 0) {
4437 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
4438 return SSL_ERROR_SYSCALL
;
4440 return SSL_ERROR_SSL
;
4443 #ifndef OPENSSL_NO_QUIC
4447 if (SSL_want_read(s
)) {
4448 bio
= SSL_get_rbio(s
);
4449 if (BIO_should_read(bio
))
4450 return SSL_ERROR_WANT_READ
;
4451 else if (BIO_should_write(bio
))
4453 * This one doesn't make too much sense ... We never try to
4454 * write to the rbio, and an application program where rbio and
4455 * wbio are separate couldn't even know what it should wait for.
4456 * However if we ever set s->rwstate incorrectly (so that we
4457 * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio
4458 * and wbio *are* the same, this test works around that bug; so
4459 * it might be safer to keep it.
4461 return SSL_ERROR_WANT_WRITE
;
4462 else if (BIO_should_io_special(bio
)) {
4463 reason
= BIO_get_retry_reason(bio
);
4464 if (reason
== BIO_RR_CONNECT
)
4465 return SSL_ERROR_WANT_CONNECT
;
4466 else if (reason
== BIO_RR_ACCEPT
)
4467 return SSL_ERROR_WANT_ACCEPT
;
4469 return SSL_ERROR_SYSCALL
; /* unknown */
4473 if (SSL_want_write(s
)) {
4475 * Access wbio directly - in order to use the buffered bio if
4479 if (BIO_should_write(bio
))
4480 return SSL_ERROR_WANT_WRITE
;
4481 else if (BIO_should_read(bio
))
4483 * See above (SSL_want_read(s) with BIO_should_write(bio))
4485 return SSL_ERROR_WANT_READ
;
4486 else if (BIO_should_io_special(bio
)) {
4487 reason
= BIO_get_retry_reason(bio
);
4488 if (reason
== BIO_RR_CONNECT
)
4489 return SSL_ERROR_WANT_CONNECT
;
4490 else if (reason
== BIO_RR_ACCEPT
)
4491 return SSL_ERROR_WANT_ACCEPT
;
4493 return SSL_ERROR_SYSCALL
;
4498 if (SSL_want_x509_lookup(s
))
4499 return SSL_ERROR_WANT_X509_LOOKUP
;
4500 if (SSL_want_retry_verify(s
))
4501 return SSL_ERROR_WANT_RETRY_VERIFY
;
4502 if (SSL_want_async(s
))
4503 return SSL_ERROR_WANT_ASYNC
;
4504 if (SSL_want_async_job(s
))
4505 return SSL_ERROR_WANT_ASYNC_JOB
;
4506 if (SSL_want_client_hello_cb(s
))
4507 return SSL_ERROR_WANT_CLIENT_HELLO_CB
;
4509 if ((sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
4510 (sc
->s3
.warn_alert
== SSL_AD_CLOSE_NOTIFY
))
4511 return SSL_ERROR_ZERO_RETURN
;
4513 return SSL_ERROR_SYSCALL
;
4516 static int ssl_do_handshake_intern(void *vargs
)
4518 struct ssl_async_args
*args
= (struct ssl_async_args
*)vargs
;
4520 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4525 return sc
->handshake_func(s
);
4528 int SSL_do_handshake(SSL
*s
)
4531 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4532 #ifndef OPENSSL_NO_QUIC
4533 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4536 return ossl_quic_do_handshake(qc
);
4539 if (sc
->handshake_func
== NULL
) {
4540 ERR_raise(ERR_LIB_SSL
, SSL_R_CONNECTION_TYPE_NOT_SET
);
4544 ossl_statem_check_finish_init(sc
, -1);
4546 s
->method
->ssl_renegotiate_check(s
, 0);
4548 if (SSL_in_init(s
) || SSL_in_before(s
)) {
4549 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
4550 struct ssl_async_args args
;
4552 memset(&args
, 0, sizeof(args
));
4555 ret
= ssl_start_async_job(s
, &args
, ssl_do_handshake_intern
);
4557 ret
= sc
->handshake_func(s
);
4563 void SSL_set_accept_state(SSL
*s
)
4565 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4566 #ifndef OPENSSL_NO_QUIC
4567 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4570 ossl_quic_set_accept_state(qc
);
4577 ossl_statem_clear(sc
);
4578 sc
->handshake_func
= s
->method
->ssl_accept
;
4579 /* Ignore return value. Its a void public API function */
4580 clear_record_layer(sc
);
4583 void SSL_set_connect_state(SSL
*s
)
4585 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4586 #ifndef OPENSSL_NO_QUIC
4587 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4590 ossl_quic_set_connect_state(qc
);
4597 ossl_statem_clear(sc
);
4598 sc
->handshake_func
= s
->method
->ssl_connect
;
4599 /* Ignore return value. Its a void public API function */
4600 clear_record_layer(sc
);
4603 int ssl_undefined_function(SSL
*s
)
4605 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4609 int ssl_undefined_void_function(void)
4611 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4615 int ssl_undefined_const_function(const SSL
*s
)
4620 const SSL_METHOD
*ssl_bad_method(int ver
)
4622 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4626 const char *ssl_protocol_to_string(int version
)
4630 case TLS1_3_VERSION
:
4633 case TLS1_2_VERSION
:
4636 case TLS1_1_VERSION
:
4651 case DTLS1_2_VERSION
:
4659 const char *SSL_get_version(const SSL
*s
)
4661 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4666 return ssl_protocol_to_string(sc
->version
);
4669 static int dup_ca_names(STACK_OF(X509_NAME
) **dst
, STACK_OF(X509_NAME
) *src
)
4671 STACK_OF(X509_NAME
) *sk
;
4680 if ((sk
= sk_X509_NAME_new_null()) == NULL
)
4682 for (i
= 0; i
< sk_X509_NAME_num(src
); i
++) {
4683 xn
= X509_NAME_dup(sk_X509_NAME_value(src
, i
));
4685 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4688 if (sk_X509_NAME_insert(sk
, xn
, i
) == 0) {
4690 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4699 SSL
*SSL_dup(SSL
*s
)
4703 /* TODO(QUIC): Add a SSL_METHOD function for duplication */
4704 SSL_CONNECTION
*retsc
;
4705 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4710 /* If we're not quiescent, just up_ref! */
4711 if (!SSL_in_init(s
) || !SSL_in_before(s
)) {
4712 CRYPTO_UP_REF(&s
->references
, &i
, s
->lock
);
4717 * Otherwise, copy configuration state, and session if set.
4719 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
4721 if ((retsc
= SSL_CONNECTION_FROM_SSL_ONLY(ret
)) == NULL
)
4724 if (sc
->session
!= NULL
) {
4726 * Arranges to share the same session via up_ref. This "copies"
4727 * session-id, SSL_METHOD, sid_ctx, and 'cert'
4729 if (!SSL_copy_session_id(ret
, s
))
4733 * No session has been established yet, so we have to expect that
4734 * s->cert or ret->cert will be changed later -- they should not both
4735 * point to the same object, and thus we can't use
4736 * SSL_copy_session_id.
4738 if (!SSL_set_ssl_method(ret
, s
->method
))
4741 if (sc
->cert
!= NULL
) {
4742 ssl_cert_free(retsc
->cert
);
4743 retsc
->cert
= ssl_cert_dup(sc
->cert
);
4744 if (retsc
->cert
== NULL
)
4748 if (!SSL_set_session_id_context(ret
, sc
->sid_ctx
,
4749 (int)sc
->sid_ctx_length
))
4753 if (!ssl_dane_dup(retsc
, sc
))
4755 retsc
->version
= sc
->version
;
4756 retsc
->options
= sc
->options
;
4757 retsc
->min_proto_version
= sc
->min_proto_version
;
4758 retsc
->max_proto_version
= sc
->max_proto_version
;
4759 retsc
->mode
= sc
->mode
;
4760 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
4761 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
4762 retsc
->msg_callback
= sc
->msg_callback
;
4763 retsc
->msg_callback_arg
= sc
->msg_callback_arg
;
4764 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
4765 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
4766 retsc
->generate_session_id
= sc
->generate_session_id
;
4768 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
4770 /* copy app data, a little dangerous perhaps */
4771 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
4774 retsc
->server
= sc
->server
;
4775 if (sc
->handshake_func
) {
4777 SSL_set_accept_state(ret
);
4779 SSL_set_connect_state(ret
);
4781 retsc
->shutdown
= sc
->shutdown
;
4782 retsc
->hit
= sc
->hit
;
4784 retsc
->default_passwd_callback
= sc
->default_passwd_callback
;
4785 retsc
->default_passwd_callback_userdata
= sc
->default_passwd_callback_userdata
;
4787 X509_VERIFY_PARAM_inherit(retsc
->param
, sc
->param
);
4789 /* dup the cipher_list and cipher_list_by_id stacks */
4790 if (sc
->cipher_list
!= NULL
) {
4791 if ((retsc
->cipher_list
= sk_SSL_CIPHER_dup(sc
->cipher_list
)) == NULL
)
4794 if (sc
->cipher_list_by_id
!= NULL
)
4795 if ((retsc
->cipher_list_by_id
= sk_SSL_CIPHER_dup(sc
->cipher_list_by_id
))
4799 /* Dup the client_CA list */
4800 if (!dup_ca_names(&retsc
->ca_names
, sc
->ca_names
)
4801 || !dup_ca_names(&retsc
->client_ca_names
, sc
->client_ca_names
))
4811 X509
*SSL_get_certificate(const SSL
*s
)
4813 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4818 if (sc
->cert
!= NULL
)
4819 return sc
->cert
->key
->x509
;
4824 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
4826 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4831 if (sc
->cert
!= NULL
)
4832 return sc
->cert
->key
->privatekey
;
4837 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
4839 if (ctx
->cert
!= NULL
)
4840 return ctx
->cert
->key
->x509
;
4845 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
4847 if (ctx
->cert
!= NULL
)
4848 return ctx
->cert
->key
->privatekey
;
4853 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
4855 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4860 if ((sc
->session
!= NULL
) && (sc
->session
->cipher
!= NULL
))
4861 return sc
->session
->cipher
;
4865 const SSL_CIPHER
*SSL_get_pending_cipher(const SSL
*s
)
4867 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4872 return sc
->s3
.tmp
.new_cipher
;
4875 const COMP_METHOD
*SSL_get_current_compression(const SSL
*s
)
4877 #ifndef OPENSSL_NO_COMP
4878 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4883 return sc
->rlayer
.wrlmethod
->get_compression(sc
->rlayer
.wrl
);
4889 const COMP_METHOD
*SSL_get_current_expansion(const SSL
*s
)
4891 #ifndef OPENSSL_NO_COMP
4892 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4897 return sc
->rlayer
.rrlmethod
->get_compression(sc
->rlayer
.rrl
);
4903 int ssl_init_wbio_buffer(SSL_CONNECTION
*s
)
4907 if (s
->bbio
!= NULL
) {
4908 /* Already buffered. */
4912 bbio
= BIO_new(BIO_f_buffer());
4913 if (bbio
== NULL
|| BIO_set_read_buffer_size(bbio
, 1) <= 0) {
4915 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
4919 s
->wbio
= BIO_push(bbio
, s
->wbio
);
4921 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
4926 int ssl_free_wbio_buffer(SSL_CONNECTION
*s
)
4928 /* callers ensure s is never null */
4929 if (s
->bbio
== NULL
)
4932 s
->wbio
= BIO_pop(s
->wbio
);
4933 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
4941 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
4943 ctx
->quiet_shutdown
= mode
;
4946 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
4948 return ctx
->quiet_shutdown
;
4951 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
4953 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4955 /* TODO(QUIC): Do we want this for QUIC? */
4959 sc
->quiet_shutdown
= mode
;
4962 int SSL_get_quiet_shutdown(const SSL
*s
)
4964 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4966 /* TODO(QUIC): Do we want this for QUIC? */
4970 return sc
->quiet_shutdown
;
4973 void SSL_set_shutdown(SSL
*s
, int mode
)
4975 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4977 /* TODO(QUIC): Do we want this for QUIC? */
4981 sc
->shutdown
= mode
;
4984 int SSL_get_shutdown(const SSL
*s
)
4986 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4988 /* TODO(QUIC): Do we want this for QUIC? */
4992 return sc
->shutdown
;
4995 int SSL_version(const SSL
*s
)
4997 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4999 /* TODO(QUIC): Do we want to report QUIC version this way instead? */
5006 int SSL_client_version(const SSL
*s
)
5008 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5010 /* TODO(QUIC): Do we want to report QUIC version this way instead? */
5014 return sc
->client_version
;
5017 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
5022 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
5025 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
5027 /* TODO(QUIC): Do we need this for QUIC support? */
5031 if (ssl
->ctx
== ctx
)
5034 ctx
= sc
->session_ctx
;
5035 new_cert
= ssl_cert_dup(ctx
->cert
);
5036 if (new_cert
== NULL
) {
5040 if (!custom_exts_copy_flags(&new_cert
->custext
, &sc
->cert
->custext
)) {
5041 ssl_cert_free(new_cert
);
5045 ssl_cert_free(sc
->cert
);
5046 sc
->cert
= new_cert
;
5049 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
5050 * so setter APIs must prevent invalid lengths from entering the system.
5052 if (!ossl_assert(sc
->sid_ctx_length
<= sizeof(sc
->sid_ctx
)))
5056 * If the session ID context matches that of the parent SSL_CTX,
5057 * inherit it from the new SSL_CTX as well. If however the context does
5058 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
5059 * leave it unchanged.
5061 if ((ssl
->ctx
!= NULL
) &&
5062 (sc
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
5063 (memcmp(sc
->sid_ctx
, ssl
->ctx
->sid_ctx
, sc
->sid_ctx_length
) == 0)) {
5064 sc
->sid_ctx_length
= ctx
->sid_ctx_length
;
5065 memcpy(&sc
->sid_ctx
, &ctx
->sid_ctx
, sizeof(sc
->sid_ctx
));
5068 SSL_CTX_up_ref(ctx
);
5069 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
5075 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
5077 return X509_STORE_set_default_paths_ex(ctx
->cert_store
, ctx
->libctx
,
5081 int SSL_CTX_set_default_verify_dir(SSL_CTX
*ctx
)
5083 X509_LOOKUP
*lookup
;
5085 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_hash_dir());
5089 /* We ignore errors, in case the directory doesn't exist */
5092 X509_LOOKUP_add_dir(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
5099 int SSL_CTX_set_default_verify_file(SSL_CTX
*ctx
)
5101 X509_LOOKUP
*lookup
;
5103 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_file());
5107 /* We ignore errors, in case the file doesn't exist */
5110 X509_LOOKUP_load_file_ex(lookup
, NULL
, X509_FILETYPE_DEFAULT
, ctx
->libctx
,
5118 int SSL_CTX_set_default_verify_store(SSL_CTX
*ctx
)
5120 X509_LOOKUP
*lookup
;
5122 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_store());
5126 /* We ignore errors, in case the directory doesn't exist */
5129 X509_LOOKUP_add_store_ex(lookup
, NULL
, ctx
->libctx
, ctx
->propq
);
5136 int SSL_CTX_load_verify_file(SSL_CTX
*ctx
, const char *CAfile
)
5138 return X509_STORE_load_file_ex(ctx
->cert_store
, CAfile
, ctx
->libctx
,
5142 int SSL_CTX_load_verify_dir(SSL_CTX
*ctx
, const char *CApath
)
5144 return X509_STORE_load_path(ctx
->cert_store
, CApath
);
5147 int SSL_CTX_load_verify_store(SSL_CTX
*ctx
, const char *CAstore
)
5149 return X509_STORE_load_store_ex(ctx
->cert_store
, CAstore
, ctx
->libctx
,
5153 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
5156 if (CAfile
== NULL
&& CApath
== NULL
)
5158 if (CAfile
!= NULL
&& !SSL_CTX_load_verify_file(ctx
, CAfile
))
5160 if (CApath
!= NULL
&& !SSL_CTX_load_verify_dir(ctx
, CApath
))
5165 void SSL_set_info_callback(SSL
*ssl
,
5166 void (*cb
) (const SSL
*ssl
, int type
, int val
))
5168 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5173 sc
->info_callback
= cb
;
5177 * One compiler (Diab DCC) doesn't like argument names in returned function
5180 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
5183 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5188 return sc
->info_callback
;
5191 void SSL_set_verify_result(SSL
*ssl
, long arg
)
5193 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5198 sc
->verify_result
= arg
;
5201 long SSL_get_verify_result(const SSL
*ssl
)
5203 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5208 return sc
->verify_result
;
5211 size_t SSL_get_client_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5213 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5219 return sizeof(sc
->s3
.client_random
);
5220 if (outlen
> sizeof(sc
->s3
.client_random
))
5221 outlen
= sizeof(sc
->s3
.client_random
);
5222 memcpy(out
, sc
->s3
.client_random
, outlen
);
5226 size_t SSL_get_server_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5228 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5234 return sizeof(sc
->s3
.server_random
);
5235 if (outlen
> sizeof(sc
->s3
.server_random
))
5236 outlen
= sizeof(sc
->s3
.server_random
);
5237 memcpy(out
, sc
->s3
.server_random
, outlen
);
5241 size_t SSL_SESSION_get_master_key(const SSL_SESSION
*session
,
5242 unsigned char *out
, size_t outlen
)
5245 return session
->master_key_length
;
5246 if (outlen
> session
->master_key_length
)
5247 outlen
= session
->master_key_length
;
5248 memcpy(out
, session
->master_key
, outlen
);
5252 int SSL_SESSION_set1_master_key(SSL_SESSION
*sess
, const unsigned char *in
,
5255 if (len
> sizeof(sess
->master_key
))
5258 memcpy(sess
->master_key
, in
, len
);
5259 sess
->master_key_length
= len
;
5264 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
5266 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5269 void *SSL_get_ex_data(const SSL
*s
, int idx
)
5271 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5274 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
5276 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5279 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
5281 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5284 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
5286 return ctx
->cert_store
;
5289 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5291 X509_STORE_free(ctx
->cert_store
);
5292 ctx
->cert_store
= store
;
5295 void SSL_CTX_set1_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5298 X509_STORE_up_ref(store
);
5299 SSL_CTX_set_cert_store(ctx
, store
);
5302 int SSL_want(const SSL
*s
)
5304 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5312 #ifndef OPENSSL_NO_PSK
5313 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
5315 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5316 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5319 OPENSSL_free(ctx
->cert
->psk_identity_hint
);
5320 if (identity_hint
!= NULL
) {
5321 ctx
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5322 if (ctx
->cert
->psk_identity_hint
== NULL
)
5325 ctx
->cert
->psk_identity_hint
= NULL
;
5329 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
5331 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5336 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5337 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5340 OPENSSL_free(sc
->cert
->psk_identity_hint
);
5341 if (identity_hint
!= NULL
) {
5342 sc
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5343 if (sc
->cert
->psk_identity_hint
== NULL
)
5346 sc
->cert
->psk_identity_hint
= NULL
;
5350 const char *SSL_get_psk_identity_hint(const SSL
*s
)
5352 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5354 if (sc
== NULL
|| sc
->session
== NULL
)
5357 return sc
->session
->psk_identity_hint
;
5360 const char *SSL_get_psk_identity(const SSL
*s
)
5362 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5364 if (sc
== NULL
|| sc
->session
== NULL
)
5367 return sc
->session
->psk_identity
;
5370 void SSL_set_psk_client_callback(SSL
*s
, SSL_psk_client_cb_func cb
)
5372 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5377 sc
->psk_client_callback
= cb
;
5380 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
, SSL_psk_client_cb_func cb
)
5382 ctx
->psk_client_callback
= cb
;
5385 void SSL_set_psk_server_callback(SSL
*s
, SSL_psk_server_cb_func cb
)
5387 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5392 sc
->psk_server_callback
= cb
;
5395 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
, SSL_psk_server_cb_func cb
)
5397 ctx
->psk_server_callback
= cb
;
5401 void SSL_set_psk_find_session_callback(SSL
*s
, SSL_psk_find_session_cb_func cb
)
5403 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5408 sc
->psk_find_session_cb
= cb
;
5411 void SSL_CTX_set_psk_find_session_callback(SSL_CTX
*ctx
,
5412 SSL_psk_find_session_cb_func cb
)
5414 ctx
->psk_find_session_cb
= cb
;
5417 void SSL_set_psk_use_session_callback(SSL
*s
, SSL_psk_use_session_cb_func cb
)
5419 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5424 sc
->psk_use_session_cb
= cb
;
5427 void SSL_CTX_set_psk_use_session_callback(SSL_CTX
*ctx
,
5428 SSL_psk_use_session_cb_func cb
)
5430 ctx
->psk_use_session_cb
= cb
;
5433 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
5434 void (*cb
) (int write_p
, int version
,
5435 int content_type
, const void *buf
,
5436 size_t len
, SSL
*ssl
, void *arg
))
5438 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5441 void SSL_set_msg_callback(SSL
*ssl
,
5442 void (*cb
) (int write_p
, int version
,
5443 int content_type
, const void *buf
,
5444 size_t len
, SSL
*ssl
, void *arg
))
5446 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5449 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
5450 int (*cb
) (SSL
*ssl
,
5454 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5455 (void (*)(void))cb
);
5458 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
5459 int (*cb
) (SSL
*ssl
,
5460 int is_forward_secure
))
5462 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5463 (void (*)(void))cb
);
5466 void SSL_CTX_set_record_padding_callback(SSL_CTX
*ctx
,
5467 size_t (*cb
) (SSL
*ssl
, int type
,
5468 size_t len
, void *arg
))
5470 ctx
->record_padding_cb
= cb
;
5473 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX
*ctx
, void *arg
)
5475 ctx
->record_padding_arg
= arg
;
5478 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX
*ctx
)
5480 return ctx
->record_padding_arg
;
5483 int SSL_CTX_set_block_padding(SSL_CTX
*ctx
, size_t block_size
)
5485 /* block size of 0 or 1 is basically no padding */
5486 if (block_size
== 1)
5487 ctx
->block_padding
= 0;
5488 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5489 ctx
->block_padding
= block_size
;
5495 int SSL_set_record_padding_callback(SSL
*ssl
,
5496 size_t (*cb
) (SSL
*ssl
, int type
,
5497 size_t len
, void *arg
))
5500 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5505 b
= SSL_get_wbio(ssl
);
5506 if (b
== NULL
|| !BIO_get_ktls_send(b
)) {
5507 sc
->rlayer
.record_padding_cb
= cb
;
5513 void SSL_set_record_padding_callback_arg(SSL
*ssl
, void *arg
)
5515 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5520 sc
->rlayer
.record_padding_arg
= arg
;
5523 void *SSL_get_record_padding_callback_arg(const SSL
*ssl
)
5525 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5530 return sc
->rlayer
.record_padding_arg
;
5533 int SSL_set_block_padding(SSL
*ssl
, size_t block_size
)
5535 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5540 /* block size of 0 or 1 is basically no padding */
5541 if (block_size
== 1)
5542 sc
->rlayer
.block_padding
= 0;
5543 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5544 sc
->rlayer
.block_padding
= block_size
;
5550 int SSL_set_num_tickets(SSL
*s
, size_t num_tickets
)
5552 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5557 sc
->num_tickets
= num_tickets
;
5562 size_t SSL_get_num_tickets(const SSL
*s
)
5564 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5569 return sc
->num_tickets
;
5572 int SSL_CTX_set_num_tickets(SSL_CTX
*ctx
, size_t num_tickets
)
5574 ctx
->num_tickets
= num_tickets
;
5579 size_t SSL_CTX_get_num_tickets(const SSL_CTX
*ctx
)
5581 return ctx
->num_tickets
;
5584 /* Retrieve handshake hashes */
5585 int ssl_handshake_hash(SSL_CONNECTION
*s
,
5586 unsigned char *out
, size_t outlen
,
5589 EVP_MD_CTX
*ctx
= NULL
;
5590 EVP_MD_CTX
*hdgst
= s
->s3
.handshake_dgst
;
5591 int hashleni
= EVP_MD_CTX_get_size(hdgst
);
5594 if (hashleni
< 0 || (size_t)hashleni
> outlen
) {
5595 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5599 ctx
= EVP_MD_CTX_new();
5601 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5605 if (!EVP_MD_CTX_copy_ex(ctx
, hdgst
)
5606 || EVP_DigestFinal_ex(ctx
, out
, NULL
) <= 0) {
5607 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5611 *hashlen
= hashleni
;
5615 EVP_MD_CTX_free(ctx
);
5619 int SSL_session_reused(const SSL
*s
)
5621 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5629 int SSL_is_server(const SSL
*s
)
5631 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5639 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
5640 void SSL_set_debug(SSL
*s
, int debug
)
5642 /* Old function was do-nothing anyway... */
5648 void SSL_set_security_level(SSL
*s
, int level
)
5650 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5655 sc
->cert
->sec_level
= level
;
5658 int SSL_get_security_level(const SSL
*s
)
5660 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5665 return sc
->cert
->sec_level
;
5668 void SSL_set_security_callback(SSL
*s
,
5669 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5670 int op
, int bits
, int nid
,
5671 void *other
, void *ex
))
5673 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5678 sc
->cert
->sec_cb
= cb
;
5681 int (*SSL_get_security_callback(const SSL
*s
)) (const SSL
*s
,
5682 const SSL_CTX
*ctx
, int op
,
5683 int bits
, int nid
, void *other
,
5685 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5690 return sc
->cert
->sec_cb
;
5693 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
5695 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5700 sc
->cert
->sec_ex
= ex
;
5703 void *SSL_get0_security_ex_data(const SSL
*s
)
5705 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5710 return sc
->cert
->sec_ex
;
5713 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
5715 ctx
->cert
->sec_level
= level
;
5718 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
5720 return ctx
->cert
->sec_level
;
5723 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
5724 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5725 int op
, int bits
, int nid
,
5726 void *other
, void *ex
))
5728 ctx
->cert
->sec_cb
= cb
;
5731 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (const SSL
*s
,
5737 return ctx
->cert
->sec_cb
;
5740 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
5742 ctx
->cert
->sec_ex
= ex
;
5745 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
5747 return ctx
->cert
->sec_ex
;
5750 uint64_t SSL_CTX_get_options(const SSL_CTX
*ctx
)
5752 return ctx
->options
;
5755 uint64_t SSL_get_options(const SSL
*s
)
5757 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5765 uint64_t SSL_CTX_set_options(SSL_CTX
*ctx
, uint64_t op
)
5767 return ctx
->options
|= op
;
5770 uint64_t SSL_set_options(SSL
*s
, uint64_t op
)
5772 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5773 OSSL_PARAM options
[2], *opts
= options
;
5780 *opts
++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS
,
5782 *opts
= OSSL_PARAM_construct_end();
5784 /* Ignore return value */
5785 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
5790 uint64_t SSL_CTX_clear_options(SSL_CTX
*ctx
, uint64_t op
)
5792 return ctx
->options
&= ~op
;
5795 uint64_t SSL_clear_options(SSL
*s
, uint64_t op
)
5797 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5802 return sc
->options
&= ~op
;
5805 STACK_OF(X509
) *SSL_get0_verified_chain(const SSL
*s
)
5807 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5812 return sc
->verified_chain
;
5815 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);
5817 #ifndef OPENSSL_NO_CT
5820 * Moves SCTs from the |src| stack to the |dst| stack.
5821 * The source of each SCT will be set to |origin|.
5822 * If |dst| points to a NULL pointer, a new stack will be created and owned by
5824 * Returns the number of SCTs moved, or a negative integer if an error occurs.
5826 static int ct_move_scts(STACK_OF(SCT
) **dst
, STACK_OF(SCT
) *src
,
5827 sct_source_t origin
)
5833 *dst
= sk_SCT_new_null();
5835 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
5840 while ((sct
= sk_SCT_pop(src
)) != NULL
) {
5841 if (SCT_set_source(sct
, origin
) != 1)
5844 if (sk_SCT_push(*dst
, sct
) <= 0)
5852 sk_SCT_push(src
, sct
); /* Put the SCT back */
5857 * Look for data collected during ServerHello and parse if found.
5858 * Returns the number of SCTs extracted.
5860 static int ct_extract_tls_extension_scts(SSL_CONNECTION
*s
)
5862 int scts_extracted
= 0;
5864 if (s
->ext
.scts
!= NULL
) {
5865 const unsigned char *p
= s
->ext
.scts
;
5866 STACK_OF(SCT
) *scts
= o2i_SCT_LIST(NULL
, &p
, s
->ext
.scts_len
);
5868 scts_extracted
= ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_TLS_EXTENSION
);
5870 SCT_LIST_free(scts
);
5873 return scts_extracted
;
5877 * Checks for an OCSP response and then attempts to extract any SCTs found if it
5878 * contains an SCT X509 extension. They will be stored in |s->scts|.
5880 * - The number of SCTs extracted, assuming an OCSP response exists.
5881 * - 0 if no OCSP response exists or it contains no SCTs.
5882 * - A negative integer if an error occurs.
5884 static int ct_extract_ocsp_response_scts(SSL_CONNECTION
*s
)
5886 # ifndef OPENSSL_NO_OCSP
5887 int scts_extracted
= 0;
5888 const unsigned char *p
;
5889 OCSP_BASICRESP
*br
= NULL
;
5890 OCSP_RESPONSE
*rsp
= NULL
;
5891 STACK_OF(SCT
) *scts
= NULL
;
5894 if (s
->ext
.ocsp
.resp
== NULL
|| s
->ext
.ocsp
.resp_len
== 0)
5897 p
= s
->ext
.ocsp
.resp
;
5898 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, (int)s
->ext
.ocsp
.resp_len
);
5902 br
= OCSP_response_get1_basic(rsp
);
5906 for (i
= 0; i
< OCSP_resp_count(br
); ++i
) {
5907 OCSP_SINGLERESP
*single
= OCSP_resp_get0(br
, i
);
5913 OCSP_SINGLERESP_get1_ext_d2i(single
, NID_ct_cert_scts
, NULL
, NULL
);
5915 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_OCSP_STAPLED_RESPONSE
);
5916 if (scts_extracted
< 0)
5920 SCT_LIST_free(scts
);
5921 OCSP_BASICRESP_free(br
);
5922 OCSP_RESPONSE_free(rsp
);
5923 return scts_extracted
;
5925 /* Behave as if no OCSP response exists */
5931 * Attempts to extract SCTs from the peer certificate.
5932 * Return the number of SCTs extracted, or a negative integer if an error
5935 static int ct_extract_x509v3_extension_scts(SSL_CONNECTION
*s
)
5937 int scts_extracted
= 0;
5938 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
5941 STACK_OF(SCT
) *scts
=
5942 X509_get_ext_d2i(cert
, NID_ct_precert_scts
, NULL
, NULL
);
5945 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_X509V3_EXTENSION
);
5947 SCT_LIST_free(scts
);
5950 return scts_extracted
;
5954 * Attempts to find all received SCTs by checking TLS extensions, the OCSP
5955 * response (if it exists) and X509v3 extensions in the certificate.
5956 * Returns NULL if an error occurs.
5958 const STACK_OF(SCT
) *SSL_get0_peer_scts(SSL
*s
)
5960 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5965 if (!sc
->scts_parsed
) {
5966 if (ct_extract_tls_extension_scts(sc
) < 0 ||
5967 ct_extract_ocsp_response_scts(sc
) < 0 ||
5968 ct_extract_x509v3_extension_scts(sc
) < 0)
5971 sc
->scts_parsed
= 1;
5978 static int ct_permissive(const CT_POLICY_EVAL_CTX
* ctx
,
5979 const STACK_OF(SCT
) *scts
, void *unused_arg
)
5984 static int ct_strict(const CT_POLICY_EVAL_CTX
* ctx
,
5985 const STACK_OF(SCT
) *scts
, void *unused_arg
)
5987 int count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
5990 for (i
= 0; i
< count
; ++i
) {
5991 SCT
*sct
= sk_SCT_value(scts
, i
);
5992 int status
= SCT_get_validation_status(sct
);
5994 if (status
== SCT_VALIDATION_STATUS_VALID
)
5997 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_VALID_SCTS
);
6001 int SSL_set_ct_validation_callback(SSL
*s
, ssl_ct_validation_cb callback
,
6004 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6010 * Since code exists that uses the custom extension handler for CT, look
6011 * for this and throw an error if they have already registered to use CT.
6013 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(s
->ctx
,
6014 TLSEXT_TYPE_signed_certificate_timestamp
))
6016 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6020 if (callback
!= NULL
) {
6022 * If we are validating CT, then we MUST accept SCTs served via OCSP
6024 if (!SSL_set_tlsext_status_type(s
, TLSEXT_STATUSTYPE_ocsp
))
6028 sc
->ct_validation_callback
= callback
;
6029 sc
->ct_validation_callback_arg
= arg
;
6034 int SSL_CTX_set_ct_validation_callback(SSL_CTX
*ctx
,
6035 ssl_ct_validation_cb callback
, void *arg
)
6038 * Since code exists that uses the custom extension handler for CT, look for
6039 * this and throw an error if they have already registered to use CT.
6041 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(ctx
,
6042 TLSEXT_TYPE_signed_certificate_timestamp
))
6044 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6048 ctx
->ct_validation_callback
= callback
;
6049 ctx
->ct_validation_callback_arg
= arg
;
6053 int SSL_ct_is_enabled(const SSL
*s
)
6055 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6060 return sc
->ct_validation_callback
!= NULL
;
6063 int SSL_CTX_ct_is_enabled(const SSL_CTX
*ctx
)
6065 return ctx
->ct_validation_callback
!= NULL
;
6068 int ssl_validate_ct(SSL_CONNECTION
*s
)
6071 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
6073 SSL_DANE
*dane
= &s
->dane
;
6074 CT_POLICY_EVAL_CTX
*ctx
= NULL
;
6075 const STACK_OF(SCT
) *scts
;
6078 * If no callback is set, the peer is anonymous, or its chain is invalid,
6079 * skip SCT validation - just return success. Applications that continue
6080 * handshakes without certificates, with unverified chains, or pinned leaf
6081 * certificates are outside the scope of the WebPKI and CT.
6083 * The above exclusions notwithstanding the vast majority of peers will
6084 * have rather ordinary certificate chains validated by typical
6085 * applications that perform certificate verification and therefore will
6086 * process SCTs when enabled.
6088 if (s
->ct_validation_callback
== NULL
|| cert
== NULL
||
6089 s
->verify_result
!= X509_V_OK
||
6090 s
->verified_chain
== NULL
|| sk_X509_num(s
->verified_chain
) <= 1)
6094 * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3)
6095 * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2
6097 if (DANETLS_ENABLED(dane
) && dane
->mtlsa
!= NULL
) {
6098 switch (dane
->mtlsa
->usage
) {
6099 case DANETLS_USAGE_DANE_TA
:
6100 case DANETLS_USAGE_DANE_EE
:
6105 ctx
= CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s
)->libctx
,
6106 SSL_CONNECTION_GET_CTX(s
)->propq
);
6108 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CT_LIB
);
6112 issuer
= sk_X509_value(s
->verified_chain
, 1);
6113 CT_POLICY_EVAL_CTX_set1_cert(ctx
, cert
);
6114 CT_POLICY_EVAL_CTX_set1_issuer(ctx
, issuer
);
6115 CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx
,
6116 SSL_CONNECTION_GET_CTX(s
)->ctlog_store
);
6117 CT_POLICY_EVAL_CTX_set_time(
6118 ctx
, (uint64_t)SSL_SESSION_get_time(s
->session
) * 1000);
6120 scts
= SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s
));
6123 * This function returns success (> 0) only when all the SCTs are valid, 0
6124 * when some are invalid, and < 0 on various internal errors (out of
6125 * memory, etc.). Having some, or even all, invalid SCTs is not sufficient
6126 * reason to abort the handshake, that decision is up to the callback.
6127 * Therefore, we error out only in the unexpected case that the return
6128 * value is negative.
6130 * XXX: One might well argue that the return value of this function is an
6131 * unfortunate design choice. Its job is only to determine the validation
6132 * status of each of the provided SCTs. So long as it correctly separates
6133 * the wheat from the chaff it should return success. Failure in this case
6134 * ought to correspond to an inability to carry out its duties.
6136 if (SCT_LIST_validate(scts
, ctx
) < 0) {
6137 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_SCT_VERIFICATION_FAILED
);
6141 ret
= s
->ct_validation_callback(ctx
, scts
, s
->ct_validation_callback_arg
);
6143 ret
= 0; /* This function returns 0 on failure */
6145 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_CALLBACK_FAILED
);
6148 CT_POLICY_EVAL_CTX_free(ctx
);
6150 * With SSL_VERIFY_NONE the session may be cached and re-used despite a
6151 * failure return code here. Also the application may wish the complete
6152 * the handshake, and then disconnect cleanly at a higher layer, after
6153 * checking the verification status of the completed connection.
6155 * We therefore force a certificate verification failure which will be
6156 * visible via SSL_get_verify_result() and cached as part of any resumed
6159 * Note: the permissive callback is for information gathering only, always
6160 * returns success, and does not affect verification status. Only the
6161 * strict callback or a custom application-specified callback can trigger
6162 * connection failure or record a verification error.
6165 s
->verify_result
= X509_V_ERR_NO_VALID_SCTS
;
6169 int SSL_CTX_enable_ct(SSL_CTX
*ctx
, int validation_mode
)
6171 switch (validation_mode
) {
6173 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6175 case SSL_CT_VALIDATION_PERMISSIVE
:
6176 return SSL_CTX_set_ct_validation_callback(ctx
, ct_permissive
, NULL
);
6177 case SSL_CT_VALIDATION_STRICT
:
6178 return SSL_CTX_set_ct_validation_callback(ctx
, ct_strict
, NULL
);
6182 int SSL_enable_ct(SSL
*s
, int validation_mode
)
6184 switch (validation_mode
) {
6186 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6188 case SSL_CT_VALIDATION_PERMISSIVE
:
6189 return SSL_set_ct_validation_callback(s
, ct_permissive
, NULL
);
6190 case SSL_CT_VALIDATION_STRICT
:
6191 return SSL_set_ct_validation_callback(s
, ct_strict
, NULL
);
6195 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX
*ctx
)
6197 return CTLOG_STORE_load_default_file(ctx
->ctlog_store
);
6200 int SSL_CTX_set_ctlog_list_file(SSL_CTX
*ctx
, const char *path
)
6202 return CTLOG_STORE_load_file(ctx
->ctlog_store
, path
);
6205 void SSL_CTX_set0_ctlog_store(SSL_CTX
*ctx
, CTLOG_STORE
* logs
)
6207 CTLOG_STORE_free(ctx
->ctlog_store
);
6208 ctx
->ctlog_store
= logs
;
6211 const CTLOG_STORE
*SSL_CTX_get0_ctlog_store(const SSL_CTX
*ctx
)
6213 return ctx
->ctlog_store
;
6216 #endif /* OPENSSL_NO_CT */
6218 void SSL_CTX_set_client_hello_cb(SSL_CTX
*c
, SSL_client_hello_cb_fn cb
,
6221 c
->client_hello_cb
= cb
;
6222 c
->client_hello_cb_arg
= arg
;
6225 int SSL_client_hello_isv2(SSL
*s
)
6227 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6232 if (sc
->clienthello
== NULL
)
6234 return sc
->clienthello
->isv2
;
6237 unsigned int SSL_client_hello_get0_legacy_version(SSL
*s
)
6239 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6244 if (sc
->clienthello
== NULL
)
6246 return sc
->clienthello
->legacy_version
;
6249 size_t SSL_client_hello_get0_random(SSL
*s
, const unsigned char **out
)
6251 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6256 if (sc
->clienthello
== NULL
)
6259 *out
= sc
->clienthello
->random
;
6260 return SSL3_RANDOM_SIZE
;
6263 size_t SSL_client_hello_get0_session_id(SSL
*s
, const unsigned char **out
)
6265 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6270 if (sc
->clienthello
== NULL
)
6273 *out
= sc
->clienthello
->session_id
;
6274 return sc
->clienthello
->session_id_len
;
6277 size_t SSL_client_hello_get0_ciphers(SSL
*s
, const unsigned char **out
)
6279 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6284 if (sc
->clienthello
== NULL
)
6287 *out
= PACKET_data(&sc
->clienthello
->ciphersuites
);
6288 return PACKET_remaining(&sc
->clienthello
->ciphersuites
);
6291 size_t SSL_client_hello_get0_compression_methods(SSL
*s
, const unsigned char **out
)
6293 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6298 if (sc
->clienthello
== NULL
)
6301 *out
= sc
->clienthello
->compressions
;
6302 return sc
->clienthello
->compressions_len
;
6305 int SSL_client_hello_get1_extensions_present(SSL
*s
, int **out
, size_t *outlen
)
6310 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6315 if (sc
->clienthello
== NULL
|| out
== NULL
|| outlen
== NULL
)
6317 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6318 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6327 if ((present
= OPENSSL_malloc(sizeof(*present
) * num
)) == NULL
)
6329 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6330 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6332 if (ext
->received_order
>= num
)
6334 present
[ext
->received_order
] = ext
->type
;
6341 OPENSSL_free(present
);
6345 int SSL_client_hello_get_extension_order(SSL
*s
, uint16_t *exts
, size_t *num_exts
)
6349 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6354 if (sc
->clienthello
== NULL
|| num_exts
== NULL
)
6356 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6357 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6369 if (*num_exts
< num
)
6371 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6372 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6374 if (ext
->received_order
>= num
)
6376 exts
[ext
->received_order
] = ext
->type
;
6383 int SSL_client_hello_get0_ext(SSL
*s
, unsigned int type
, const unsigned char **out
,
6388 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6393 if (sc
->clienthello
== NULL
)
6395 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; ++i
) {
6396 r
= sc
->clienthello
->pre_proc_exts
+ i
;
6397 if (r
->present
&& r
->type
== type
) {
6399 *out
= PACKET_data(&r
->data
);
6401 *outlen
= PACKET_remaining(&r
->data
);
6408 int SSL_free_buffers(SSL
*ssl
)
6411 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6418 return rl
->rrlmethod
->free_buffers(rl
->rrl
)
6419 && rl
->wrlmethod
->free_buffers(rl
->wrl
);
6422 int SSL_alloc_buffers(SSL
*ssl
)
6425 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6432 return rl
->rrlmethod
->alloc_buffers(rl
->rrl
)
6433 && rl
->wrlmethod
->alloc_buffers(rl
->wrl
);
6436 void SSL_CTX_set_keylog_callback(SSL_CTX
*ctx
, SSL_CTX_keylog_cb_func cb
)
6438 ctx
->keylog_callback
= cb
;
6441 SSL_CTX_keylog_cb_func
SSL_CTX_get_keylog_callback(const SSL_CTX
*ctx
)
6443 return ctx
->keylog_callback
;
6446 static int nss_keylog_int(const char *prefix
,
6448 const uint8_t *parameter_1
,
6449 size_t parameter_1_len
,
6450 const uint8_t *parameter_2
,
6451 size_t parameter_2_len
)
6454 char *cursor
= NULL
;
6458 SSL_CTX
*sctx
= SSL_CONNECTION_GET_CTX(sc
);
6460 if (sctx
->keylog_callback
== NULL
)
6464 * Our output buffer will contain the following strings, rendered with
6465 * space characters in between, terminated by a NULL character: first the
6466 * prefix, then the first parameter, then the second parameter. The
6467 * meaning of each parameter depends on the specific key material being
6468 * logged. Note that the first and second parameters are encoded in
6469 * hexadecimal, so we need a buffer that is twice their lengths.
6471 prefix_len
= strlen(prefix
);
6472 out_len
= prefix_len
+ (2 * parameter_1_len
) + (2 * parameter_2_len
) + 3;
6473 if ((out
= cursor
= OPENSSL_malloc(out_len
)) == NULL
)
6476 strcpy(cursor
, prefix
);
6477 cursor
+= prefix_len
;
6480 for (i
= 0; i
< parameter_1_len
; i
++) {
6481 sprintf(cursor
, "%02x", parameter_1
[i
]);
6486 for (i
= 0; i
< parameter_2_len
; i
++) {
6487 sprintf(cursor
, "%02x", parameter_2
[i
]);
6492 sctx
->keylog_callback(SSL_CONNECTION_GET_SSL(sc
), (const char *)out
);
6493 OPENSSL_clear_free(out
, out_len
);
6498 int ssl_log_rsa_client_key_exchange(SSL_CONNECTION
*sc
,
6499 const uint8_t *encrypted_premaster
,
6500 size_t encrypted_premaster_len
,
6501 const uint8_t *premaster
,
6502 size_t premaster_len
)
6504 if (encrypted_premaster_len
< 8) {
6505 SSLfatal(sc
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6509 /* We only want the first 8 bytes of the encrypted premaster as a tag. */
6510 return nss_keylog_int("RSA",
6512 encrypted_premaster
,
6518 int ssl_log_secret(SSL_CONNECTION
*sc
,
6520 const uint8_t *secret
,
6523 return nss_keylog_int(label
,
6525 sc
->s3
.client_random
,
6531 #define SSLV2_CIPHER_LEN 3
6533 int ssl_cache_cipherlist(SSL_CONNECTION
*s
, PACKET
*cipher_suites
, int sslv2format
)
6537 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6539 if (PACKET_remaining(cipher_suites
) == 0) {
6540 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6544 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6545 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6549 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6550 s
->s3
.tmp
.ciphers_raw
= NULL
;
6551 s
->s3
.tmp
.ciphers_rawlen
= 0;
6554 size_t numciphers
= PACKET_remaining(cipher_suites
) / n
;
6555 PACKET sslv2ciphers
= *cipher_suites
;
6556 unsigned int leadbyte
;
6560 * We store the raw ciphers list in SSLv3+ format so we need to do some
6561 * preprocessing to convert the list first. If there are any SSLv2 only
6562 * ciphersuites with a non-zero leading byte then we are going to
6563 * slightly over allocate because we won't store those. But that isn't a
6566 raw
= OPENSSL_malloc(numciphers
* TLS_CIPHER_LEN
);
6567 s
->s3
.tmp
.ciphers_raw
= raw
;
6569 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6572 for (s
->s3
.tmp
.ciphers_rawlen
= 0;
6573 PACKET_remaining(&sslv2ciphers
) > 0;
6574 raw
+= TLS_CIPHER_LEN
) {
6575 if (!PACKET_get_1(&sslv2ciphers
, &leadbyte
)
6577 && !PACKET_copy_bytes(&sslv2ciphers
, raw
,
6580 && !PACKET_forward(&sslv2ciphers
, TLS_CIPHER_LEN
))) {
6581 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_PACKET
);
6582 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6583 s
->s3
.tmp
.ciphers_raw
= NULL
;
6584 s
->s3
.tmp
.ciphers_rawlen
= 0;
6588 s
->s3
.tmp
.ciphers_rawlen
+= TLS_CIPHER_LEN
;
6590 } else if (!PACKET_memdup(cipher_suites
, &s
->s3
.tmp
.ciphers_raw
,
6591 &s
->s3
.tmp
.ciphers_rawlen
)) {
6592 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6598 int SSL_bytes_to_cipher_list(SSL
*s
, const unsigned char *bytes
, size_t len
,
6599 int isv2format
, STACK_OF(SSL_CIPHER
) **sk
,
6600 STACK_OF(SSL_CIPHER
) **scsvs
)
6603 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6608 if (!PACKET_buf_init(&pkt
, bytes
, len
))
6610 return ossl_bytes_to_cipher_list(sc
, &pkt
, sk
, scsvs
, isv2format
, 0);
6613 int ossl_bytes_to_cipher_list(SSL_CONNECTION
*s
, PACKET
*cipher_suites
,
6614 STACK_OF(SSL_CIPHER
) **skp
,
6615 STACK_OF(SSL_CIPHER
) **scsvs_out
,
6616 int sslv2format
, int fatal
)
6618 const SSL_CIPHER
*c
;
6619 STACK_OF(SSL_CIPHER
) *sk
= NULL
;
6620 STACK_OF(SSL_CIPHER
) *scsvs
= NULL
;
6622 /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */
6623 unsigned char cipher
[SSLV2_CIPHER_LEN
];
6625 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6627 if (PACKET_remaining(cipher_suites
) == 0) {
6629 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6631 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHERS_SPECIFIED
);
6635 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6637 SSLfatal(s
, SSL_AD_DECODE_ERROR
,
6638 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6640 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6644 sk
= sk_SSL_CIPHER_new_null();
6645 scsvs
= sk_SSL_CIPHER_new_null();
6646 if (sk
== NULL
|| scsvs
== NULL
) {
6648 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6650 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6654 while (PACKET_copy_bytes(cipher_suites
, cipher
, n
)) {
6656 * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the
6657 * first byte set to zero, while true SSLv2 ciphers have a non-zero
6658 * first byte. We don't support any true SSLv2 ciphers, so skip them.
6660 if (sslv2format
&& cipher
[0] != '\0')
6663 /* For SSLv2-compat, ignore leading 0-byte. */
6664 c
= ssl_get_cipher_by_char(s
, sslv2format
? &cipher
[1] : cipher
, 1);
6666 if ((c
->valid
&& !sk_SSL_CIPHER_push(sk
, c
)) ||
6667 (!c
->valid
&& !sk_SSL_CIPHER_push(scsvs
, c
))) {
6669 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6671 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6676 if (PACKET_remaining(cipher_suites
) > 0) {
6678 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_LENGTH
);
6680 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
6687 sk_SSL_CIPHER_free(sk
);
6688 if (scsvs_out
!= NULL
)
6691 sk_SSL_CIPHER_free(scsvs
);
6694 sk_SSL_CIPHER_free(sk
);
6695 sk_SSL_CIPHER_free(scsvs
);
6699 int SSL_CTX_set_max_early_data(SSL_CTX
*ctx
, uint32_t max_early_data
)
6701 ctx
->max_early_data
= max_early_data
;
6706 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX
*ctx
)
6708 return ctx
->max_early_data
;
6711 int SSL_set_max_early_data(SSL
*s
, uint32_t max_early_data
)
6713 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6718 sc
->max_early_data
= max_early_data
;
6723 uint32_t SSL_get_max_early_data(const SSL
*s
)
6725 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6730 return sc
->max_early_data
;
6733 int SSL_CTX_set_recv_max_early_data(SSL_CTX
*ctx
, uint32_t recv_max_early_data
)
6735 ctx
->recv_max_early_data
= recv_max_early_data
;
6740 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX
*ctx
)
6742 return ctx
->recv_max_early_data
;
6745 int SSL_set_recv_max_early_data(SSL
*s
, uint32_t recv_max_early_data
)
6747 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6752 sc
->recv_max_early_data
= recv_max_early_data
;
6757 uint32_t SSL_get_recv_max_early_data(const SSL
*s
)
6759 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6764 return sc
->recv_max_early_data
;
6767 __owur
unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION
*sc
)
6769 /* Return any active Max Fragment Len extension */
6770 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
))
6771 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
6773 /* return current SSL connection setting */
6774 return sc
->max_send_fragment
;
6777 __owur
unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION
*sc
)
6779 /* Return a value regarding an active Max Fragment Len extension */
6780 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
)
6781 && sc
->split_send_fragment
> GET_MAX_FRAGMENT_LENGTH(sc
->session
))
6782 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
6784 /* else limit |split_send_fragment| to current |max_send_fragment| */
6785 if (sc
->split_send_fragment
> sc
->max_send_fragment
)
6786 return sc
->max_send_fragment
;
6788 /* return current SSL connection setting */
6789 return sc
->split_send_fragment
;
6792 int SSL_stateless(SSL
*s
)
6795 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6797 /* TODO(QUIC): This will need further work. */
6801 /* Ensure there is no state left over from a previous invocation */
6807 sc
->s3
.flags
|= TLS1_FLAGS_STATELESS
;
6808 ret
= SSL_accept(s
);
6809 sc
->s3
.flags
&= ~TLS1_FLAGS_STATELESS
;
6811 if (ret
> 0 && sc
->ext
.cookieok
)
6814 if (sc
->hello_retry_request
== SSL_HRR_PENDING
&& !ossl_statem_in_error(sc
))
6820 void SSL_CTX_set_post_handshake_auth(SSL_CTX
*ctx
, int val
)
6822 ctx
->pha_enabled
= val
;
6825 void SSL_set_post_handshake_auth(SSL
*ssl
, int val
)
6827 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6832 sc
->pha_enabled
= val
;
6835 int SSL_verify_client_post_handshake(SSL
*ssl
)
6837 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6842 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
6843 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
6847 ERR_raise(ERR_LIB_SSL
, SSL_R_NOT_SERVER
);
6851 if (!SSL_is_init_finished(ssl
)) {
6852 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
6856 switch (sc
->post_handshake_auth
) {
6858 ERR_raise(ERR_LIB_SSL
, SSL_R_EXTENSION_NOT_RECEIVED
);
6861 case SSL_PHA_EXT_SENT
:
6862 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
6864 case SSL_PHA_EXT_RECEIVED
:
6866 case SSL_PHA_REQUEST_PENDING
:
6867 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_PENDING
);
6869 case SSL_PHA_REQUESTED
:
6870 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_SENT
);
6874 sc
->post_handshake_auth
= SSL_PHA_REQUEST_PENDING
;
6876 /* checks verify_mode and algorithm_auth */
6877 if (!send_certificate_request(sc
)) {
6878 sc
->post_handshake_auth
= SSL_PHA_EXT_RECEIVED
; /* restore on error */
6879 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CONFIG
);
6883 ossl_statem_set_in_init(sc
, 1);
6887 int SSL_CTX_set_session_ticket_cb(SSL_CTX
*ctx
,
6888 SSL_CTX_generate_session_ticket_fn gen_cb
,
6889 SSL_CTX_decrypt_session_ticket_fn dec_cb
,
6892 ctx
->generate_ticket_cb
= gen_cb
;
6893 ctx
->decrypt_ticket_cb
= dec_cb
;
6894 ctx
->ticket_cb_data
= arg
;
6898 void SSL_CTX_set_allow_early_data_cb(SSL_CTX
*ctx
,
6899 SSL_allow_early_data_cb_fn cb
,
6902 ctx
->allow_early_data_cb
= cb
;
6903 ctx
->allow_early_data_cb_data
= arg
;
6906 void SSL_set_allow_early_data_cb(SSL
*s
,
6907 SSL_allow_early_data_cb_fn cb
,
6910 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6915 sc
->allow_early_data_cb
= cb
;
6916 sc
->allow_early_data_cb_data
= arg
;
6919 const EVP_CIPHER
*ssl_evp_cipher_fetch(OSSL_LIB_CTX
*libctx
,
6921 const char *properties
)
6923 const EVP_CIPHER
*ciph
;
6925 ciph
= tls_get_cipher_from_engine(nid
);
6930 * If there is no engine cipher then we do an explicit fetch. This may fail
6931 * and that could be ok
6934 ciph
= EVP_CIPHER_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
6940 int ssl_evp_cipher_up_ref(const EVP_CIPHER
*cipher
)
6942 /* Don't up-ref an implicit EVP_CIPHER */
6943 if (EVP_CIPHER_get0_provider(cipher
) == NULL
)
6947 * The cipher was explicitly fetched and therefore it is safe to cast
6950 return EVP_CIPHER_up_ref((EVP_CIPHER
*)cipher
);
6953 void ssl_evp_cipher_free(const EVP_CIPHER
*cipher
)
6958 if (EVP_CIPHER_get0_provider(cipher
) != NULL
) {
6960 * The cipher was explicitly fetched and therefore it is safe to cast
6963 EVP_CIPHER_free((EVP_CIPHER
*)cipher
);
6967 const EVP_MD
*ssl_evp_md_fetch(OSSL_LIB_CTX
*libctx
,
6969 const char *properties
)
6973 md
= tls_get_digest_from_engine(nid
);
6977 /* Otherwise we do an explicit fetch */
6979 md
= EVP_MD_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
6984 int ssl_evp_md_up_ref(const EVP_MD
*md
)
6986 /* Don't up-ref an implicit EVP_MD */
6987 if (EVP_MD_get0_provider(md
) == NULL
)
6991 * The digest was explicitly fetched and therefore it is safe to cast
6994 return EVP_MD_up_ref((EVP_MD
*)md
);
6997 void ssl_evp_md_free(const EVP_MD
*md
)
7002 if (EVP_MD_get0_provider(md
) != NULL
) {
7004 * The digest was explicitly fetched and therefore it is safe to cast
7007 EVP_MD_free((EVP_MD
*)md
);
7011 int SSL_set0_tmp_dh_pkey(SSL
*s
, EVP_PKEY
*dhpkey
)
7013 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7018 if (!ssl_security(sc
, SSL_SECOP_TMP_DH
,
7019 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7020 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7023 EVP_PKEY_free(sc
->cert
->dh_tmp
);
7024 sc
->cert
->dh_tmp
= dhpkey
;
7028 int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX
*ctx
, EVP_PKEY
*dhpkey
)
7030 if (!ssl_ctx_security(ctx
, SSL_SECOP_TMP_DH
,
7031 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7032 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7035 EVP_PKEY_free(ctx
->cert
->dh_tmp
);
7036 ctx
->cert
->dh_tmp
= dhpkey
;
7040 /* QUIC-specific methods which are supported on QUIC connections only. */
7041 int SSL_tick(SSL
*s
)
7044 #ifndef OPENSSL_NO_QUIC
7045 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7048 return ossl_quic_tick(qc
);
7051 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7052 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
))
7054 * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet,
7055 * which we consider a success case. Theoretically DTLSv1_handle_timeout
7056 * can also return 0 if s is NULL or not a DTLS object, but we've
7057 * already ruled out those possibilities above, so this is not possible
7058 * here. Thus the only failure cases are where DTLSv1_handle_timeout
7061 return DTLSv1_handle_timeout(s
) >= 0;
7066 int SSL_get_tick_timeout(SSL
*s
, struct timeval
*tv
)
7069 #ifndef OPENSSL_NO_QUIC
7070 QUIC_CONNECTION
*qc
;
7072 qc
= QUIC_CONNECTION_FROM_SSL(s
);
7074 return ossl_quic_get_tick_timeout(qc
, tv
);
7077 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7078 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
)
7079 && DTLSv1_get_timeout(s
, tv
))
7087 int SSL_get_rpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7089 #ifndef OPENSSL_NO_QUIC
7090 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7095 return ossl_quic_get_rpoll_descriptor(qc
, desc
);
7101 int SSL_get_wpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7103 #ifndef OPENSSL_NO_QUIC
7104 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7109 return ossl_quic_get_wpoll_descriptor(qc
, desc
);
7115 int SSL_net_read_desired(SSL
*s
)
7117 #ifndef OPENSSL_NO_QUIC
7118 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7123 return ossl_quic_get_net_read_desired(qc
);
7129 int SSL_net_write_desired(SSL
*s
)
7131 #ifndef OPENSSL_NO_QUIC
7132 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7137 return ossl_quic_get_net_write_desired(qc
);
7143 int SSL_set_blocking_mode(SSL
*s
, int blocking
)
7145 #ifndef OPENSSL_NO_QUIC
7146 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7151 return ossl_quic_conn_set_blocking_mode(qc
, blocking
);
7157 int SSL_get_blocking_mode(SSL
*s
)
7159 #ifndef OPENSSL_NO_QUIC
7160 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7165 return ossl_quic_conn_get_blocking_mode(qc
);
7171 int SSL_set_initial_peer_addr(SSL
*s
, const BIO_ADDR
*peer_addr
)
7173 #ifndef OPENSSL_NO_QUIC
7174 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7179 return ossl_quic_conn_set_initial_peer_addr(qc
, peer_addr
);
7185 int SSL_shutdown_ex(SSL
*ssl
, uint64_t flags
,
7186 const SSL_SHUTDOWN_EX_ARGS
*args
,
7189 #ifndef OPENSSL_NO_QUIC
7190 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(ssl
);
7193 return SSL_shutdown(ssl
);
7195 return ossl_quic_conn_shutdown(qc
, flags
, args
, args_len
);
7197 return SSL_shutdown(ssl
);
7201 int SSL_stream_conclude(SSL
*ssl
, uint64_t flags
)
7203 #ifndef OPENSSL_NO_QUIC
7204 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(ssl
);
7209 return ossl_quic_conn_stream_conclude(qc
);