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
,
557 NULL
, 0, NULL
, 0, NULL
, 0, NULL
, 0,
558 NID_undef
, 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
,
565 NULL
, 0, NULL
, 0, NULL
, 0, NULL
, 0,
566 NID_undef
, NULL
, NULL
);
567 /* SSLfatal already called in the event of failure */
571 int SSL_clear(SSL
*s
)
573 if (s
->method
== NULL
) {
574 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_METHOD_SPECIFIED
);
578 return s
->method
->ssl_reset(s
);
581 int ossl_ssl_connection_reset(SSL
*s
)
583 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
588 if (ssl_clear_bad_session(sc
)) {
589 SSL_SESSION_free(sc
->session
);
592 SSL_SESSION_free(sc
->psksession
);
593 sc
->psksession
= NULL
;
594 OPENSSL_free(sc
->psksession_id
);
595 sc
->psksession_id
= NULL
;
596 sc
->psksession_id_len
= 0;
597 sc
->hello_retry_request
= 0;
598 sc
->sent_tickets
= 0;
604 if (sc
->renegotiate
) {
605 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
609 ossl_statem_clear(sc
);
611 /* TODO(QUIC): Version handling not yet clear */
612 sc
->version
= s
->method
->version
;
613 sc
->client_version
= sc
->version
;
614 sc
->rwstate
= SSL_NOTHING
;
616 BUF_MEM_free(sc
->init_buf
);
618 sc
->first_packet
= 0;
620 sc
->key_update
= SSL_KEY_UPDATE_NONE
;
621 memset(sc
->ext
.compress_certificate_from_peer
, 0,
622 sizeof(sc
->ext
.compress_certificate_from_peer
));
623 sc
->ext
.compress_certificate_sent
= 0;
625 EVP_MD_CTX_free(sc
->pha_dgst
);
628 /* Reset DANE verification result state */
631 X509_free(sc
->dane
.mcert
);
632 sc
->dane
.mcert
= NULL
;
633 sc
->dane
.mtlsa
= NULL
;
635 /* Clear the verification result peername */
636 X509_VERIFY_PARAM_move_peername(sc
->param
, NULL
);
638 /* Clear any shared connection state */
639 OPENSSL_free(sc
->shared_sigalgs
);
640 sc
->shared_sigalgs
= NULL
;
641 sc
->shared_sigalgslen
= 0;
644 * Check to see if we were changed into a different method, if so, revert
647 if (s
->method
!= SSL_CONNECTION_GET_CTX(sc
)->method
) {
648 s
->method
->ssl_deinit(s
);
649 s
->method
= SSL_CONNECTION_GET_CTX(sc
)->method
;
650 if (!s
->method
->ssl_init(s
))
653 if (!s
->method
->ssl_clear(s
))
657 RECORD_LAYER_clear(&sc
->rlayer
);
658 BIO_free(sc
->rlayer
.rrlnext
);
659 sc
->rlayer
.rrlnext
= NULL
;
661 if (!clear_record_layer(sc
))
667 #ifndef OPENSSL_NO_DEPRECATED_3_0
668 /** Used to change an SSL_CTXs default SSL method type */
669 int SSL_CTX_set_ssl_version(SSL_CTX
*ctx
, const SSL_METHOD
*meth
)
671 STACK_OF(SSL_CIPHER
) *sk
;
675 if (!SSL_CTX_set_ciphersuites(ctx
, OSSL_default_ciphersuites())) {
676 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
679 sk
= ssl_create_cipher_list(ctx
,
680 ctx
->tls13_ciphersuites
,
682 &(ctx
->cipher_list_by_id
),
683 OSSL_default_cipher_list(), ctx
->cert
);
684 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= 0)) {
685 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS
);
692 SSL
*SSL_new(SSL_CTX
*ctx
)
695 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_CTX
);
698 if (ctx
->method
== NULL
) {
699 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION
);
702 return ctx
->method
->ssl_new(ctx
);
705 int ossl_ssl_init(SSL
*ssl
, SSL_CTX
*ctx
, int type
)
710 ssl
->lock
= CRYPTO_THREAD_lock_new();
711 if (ssl
->lock
== NULL
)
717 ssl
->method
= ctx
->method
;
719 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL
, ssl
, &ssl
->ex_data
))
725 SSL
*ossl_ssl_connection_new(SSL_CTX
*ctx
)
730 s
= OPENSSL_zalloc(sizeof(*s
));
735 if (!ossl_ssl_init(ssl
, ctx
, SSL_TYPE_SSL_CONNECTION
)) {
741 #ifndef OPENSSL_NO_QUIC
742 /* set the parent (user visible) ssl to self */
746 RECORD_LAYER_init(&s
->rlayer
, s
);
748 s
->options
= ctx
->options
;
749 s
->dane
.flags
= ctx
->dane
.flags
;
750 s
->min_proto_version
= ctx
->min_proto_version
;
751 s
->max_proto_version
= ctx
->max_proto_version
;
753 s
->max_cert_list
= ctx
->max_cert_list
;
754 s
->max_early_data
= ctx
->max_early_data
;
755 s
->recv_max_early_data
= ctx
->recv_max_early_data
;
756 s
->num_tickets
= ctx
->num_tickets
;
757 s
->pha_enabled
= ctx
->pha_enabled
;
759 /* Shallow copy of the ciphersuites stack */
760 s
->tls13_ciphersuites
= sk_SSL_CIPHER_dup(ctx
->tls13_ciphersuites
);
761 if (s
->tls13_ciphersuites
== NULL
)
765 * Earlier library versions used to copy the pointer to the CERT, not
766 * its contents; only when setting new parameters for the per-SSL
767 * copy, ssl_cert_new would be called (and the direct reference to
768 * the per-SSL_CTX settings would be lost, but those still were
769 * indirectly accessed for various purposes, and for that reason they
770 * used to be known as s->ctx->default_cert). Now we don't look at the
771 * SSL_CTX's CERT after having duplicated it once.
773 s
->cert
= ssl_cert_dup(ctx
->cert
);
777 RECORD_LAYER_set_read_ahead(&s
->rlayer
, ctx
->read_ahead
);
778 s
->msg_callback
= ctx
->msg_callback
;
779 s
->msg_callback_arg
= ctx
->msg_callback_arg
;
780 s
->verify_mode
= ctx
->verify_mode
;
781 s
->not_resumable_session_cb
= ctx
->not_resumable_session_cb
;
782 s
->rlayer
.record_padding_cb
= ctx
->record_padding_cb
;
783 s
->rlayer
.record_padding_arg
= ctx
->record_padding_arg
;
784 s
->rlayer
.block_padding
= ctx
->block_padding
;
785 s
->sid_ctx_length
= ctx
->sid_ctx_length
;
786 if (!ossl_assert(s
->sid_ctx_length
<= sizeof(s
->sid_ctx
)))
788 memcpy(&s
->sid_ctx
, &ctx
->sid_ctx
, sizeof(s
->sid_ctx
));
789 s
->verify_callback
= ctx
->default_verify_callback
;
790 s
->generate_session_id
= ctx
->generate_session_id
;
792 s
->param
= X509_VERIFY_PARAM_new();
793 if (s
->param
== NULL
)
795 X509_VERIFY_PARAM_inherit(s
->param
, ctx
->param
);
796 s
->quiet_shutdown
= ctx
->quiet_shutdown
;
798 s
->ext
.max_fragment_len_mode
= ctx
->ext
.max_fragment_len_mode
;
799 s
->max_send_fragment
= ctx
->max_send_fragment
;
800 s
->split_send_fragment
= ctx
->split_send_fragment
;
801 s
->max_pipelines
= ctx
->max_pipelines
;
802 s
->rlayer
.default_read_buf_len
= ctx
->default_read_buf_len
;
805 s
->ext
.debug_arg
= NULL
;
806 s
->ext
.ticket_expected
= 0;
807 s
->ext
.status_type
= ctx
->ext
.status_type
;
808 s
->ext
.status_expected
= 0;
809 s
->ext
.ocsp
.ids
= NULL
;
810 s
->ext
.ocsp
.exts
= NULL
;
811 s
->ext
.ocsp
.resp
= NULL
;
812 s
->ext
.ocsp
.resp_len
= 0;
814 s
->session_ctx
= ctx
;
815 if (ctx
->ext
.ecpointformats
) {
816 s
->ext
.ecpointformats
=
817 OPENSSL_memdup(ctx
->ext
.ecpointformats
,
818 ctx
->ext
.ecpointformats_len
);
819 if (!s
->ext
.ecpointformats
) {
820 s
->ext
.ecpointformats_len
= 0;
823 s
->ext
.ecpointformats_len
=
824 ctx
->ext
.ecpointformats_len
;
826 if (ctx
->ext
.supportedgroups
) {
827 s
->ext
.supportedgroups
=
828 OPENSSL_memdup(ctx
->ext
.supportedgroups
,
829 ctx
->ext
.supportedgroups_len
830 * sizeof(*ctx
->ext
.supportedgroups
));
831 if (!s
->ext
.supportedgroups
) {
832 s
->ext
.supportedgroups_len
= 0;
835 s
->ext
.supportedgroups_len
= ctx
->ext
.supportedgroups_len
;
838 #ifndef OPENSSL_NO_NEXTPROTONEG
842 if (ctx
->ext
.alpn
!= NULL
) {
843 s
->ext
.alpn
= OPENSSL_malloc(ctx
->ext
.alpn_len
);
844 if (s
->ext
.alpn
== NULL
) {
848 memcpy(s
->ext
.alpn
, ctx
->ext
.alpn
, ctx
->ext
.alpn_len
);
849 s
->ext
.alpn_len
= ctx
->ext
.alpn_len
;
852 s
->verified_chain
= NULL
;
853 s
->verify_result
= X509_V_OK
;
855 s
->default_passwd_callback
= ctx
->default_passwd_callback
;
856 s
->default_passwd_callback_userdata
= ctx
->default_passwd_callback_userdata
;
858 s
->key_update
= SSL_KEY_UPDATE_NONE
;
860 s
->allow_early_data_cb
= ctx
->allow_early_data_cb
;
861 s
->allow_early_data_cb_data
= ctx
->allow_early_data_cb_data
;
863 if (!ssl
->method
->ssl_init(ssl
))
866 s
->server
= (ctx
->method
->ssl_accept
== ssl_undefined_function
) ? 0 : 1;
871 #ifndef OPENSSL_NO_PSK
872 s
->psk_client_callback
= ctx
->psk_client_callback
;
873 s
->psk_server_callback
= ctx
->psk_server_callback
;
875 s
->psk_find_session_cb
= ctx
->psk_find_session_cb
;
876 s
->psk_use_session_cb
= ctx
->psk_use_session_cb
;
878 s
->async_cb
= ctx
->async_cb
;
879 s
->async_cb_arg
= ctx
->async_cb_arg
;
883 #ifndef OPENSSL_NO_COMP_ALG
884 memcpy(s
->cert_comp_prefs
, ctx
->cert_comp_prefs
, sizeof(s
->cert_comp_prefs
));
887 #ifndef OPENSSL_NO_CT
888 if (!SSL_set_ct_validation_callback(ssl
, ctx
->ct_validation_callback
,
889 ctx
->ct_validation_callback_arg
))
895 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
898 ERR_raise(ERR_LIB_SSL
, ERR_R_ASN1_LIB
);
901 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
907 int SSL_is_dtls(const SSL
*s
)
909 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
914 return SSL_CONNECTION_IS_DTLS(sc
) ? 1 : 0;
917 int SSL_up_ref(SSL
*s
)
921 if (CRYPTO_UP_REF(&s
->references
, &i
, s
->lock
) <= 0)
924 REF_PRINT_COUNT("SSL", s
);
925 REF_ASSERT_ISNT(i
< 2);
926 return ((i
> 1) ? 1 : 0);
929 int SSL_CTX_set_session_id_context(SSL_CTX
*ctx
, const unsigned char *sid_ctx
,
930 unsigned int sid_ctx_len
)
932 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
933 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
936 ctx
->sid_ctx_length
= sid_ctx_len
;
937 memcpy(ctx
->sid_ctx
, sid_ctx
, sid_ctx_len
);
942 int SSL_set_session_id_context(SSL
*ssl
, const unsigned char *sid_ctx
,
943 unsigned int sid_ctx_len
)
945 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
950 if (sid_ctx_len
> SSL_MAX_SID_CTX_LENGTH
) {
951 ERR_raise(ERR_LIB_SSL
, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG
);
954 sc
->sid_ctx_length
= sid_ctx_len
;
955 memcpy(sc
->sid_ctx
, sid_ctx
, sid_ctx_len
);
960 int SSL_CTX_set_generate_session_id(SSL_CTX
*ctx
, GEN_SESSION_CB cb
)
962 if (!CRYPTO_THREAD_write_lock(ctx
->lock
))
964 ctx
->generate_session_id
= cb
;
965 CRYPTO_THREAD_unlock(ctx
->lock
);
969 int SSL_set_generate_session_id(SSL
*ssl
, GEN_SESSION_CB cb
)
971 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
973 if (sc
== NULL
|| !CRYPTO_THREAD_write_lock(ssl
->lock
))
975 sc
->generate_session_id
= cb
;
976 CRYPTO_THREAD_unlock(ssl
->lock
);
980 int SSL_has_matching_session_id(const SSL
*ssl
, const unsigned char *id
,
984 * A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
985 * we can "construct" a session to give us the desired check - i.e. to
986 * find if there's a session in the hash table that would conflict with
987 * any new session built out of this id/id_len and the ssl_version in use
991 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
993 if (sc
== NULL
|| id_len
> sizeof(r
.session_id
))
996 r
.ssl_version
= sc
->version
;
997 r
.session_id_length
= id_len
;
998 memcpy(r
.session_id
, id
, id_len
);
1000 if (!CRYPTO_THREAD_read_lock(sc
->session_ctx
->lock
))
1002 p
= lh_SSL_SESSION_retrieve(sc
->session_ctx
->sessions
, &r
);
1003 CRYPTO_THREAD_unlock(sc
->session_ctx
->lock
);
1007 int SSL_CTX_set_purpose(SSL_CTX
*s
, int purpose
)
1009 return X509_VERIFY_PARAM_set_purpose(s
->param
, purpose
);
1012 int SSL_set_purpose(SSL
*s
, int purpose
)
1014 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1019 return X509_VERIFY_PARAM_set_purpose(sc
->param
, purpose
);
1022 int SSL_CTX_set_trust(SSL_CTX
*s
, int trust
)
1024 return X509_VERIFY_PARAM_set_trust(s
->param
, trust
);
1027 int SSL_set_trust(SSL
*s
, int trust
)
1029 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1034 return X509_VERIFY_PARAM_set_trust(sc
->param
, trust
);
1037 int SSL_set1_host(SSL
*s
, const char *hostname
)
1039 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1044 /* If a hostname is provided and parses as an IP address,
1045 * treat it as such. */
1046 if (hostname
!= NULL
1047 && X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
) == 1)
1050 return X509_VERIFY_PARAM_set1_host(sc
->param
, hostname
, 0);
1053 int SSL_add1_host(SSL
*s
, const char *hostname
)
1055 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1060 /* If a hostname is provided and parses as an IP address,
1061 * treat it as such. */
1064 ASN1_OCTET_STRING
*ip
;
1067 ip
= a2i_IPADDRESS(hostname
);
1069 /* We didn't want it; only to check if it *is* an IP address */
1070 ASN1_OCTET_STRING_free(ip
);
1072 old_ip
= X509_VERIFY_PARAM_get1_ip_asc(sc
->param
);
1075 OPENSSL_free(old_ip
);
1076 /* There can be only one IP address */
1080 return X509_VERIFY_PARAM_set1_ip_asc(sc
->param
, hostname
);
1084 return X509_VERIFY_PARAM_add1_host(sc
->param
, hostname
, 0);
1087 void SSL_set_hostflags(SSL
*s
, unsigned int flags
)
1089 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1094 X509_VERIFY_PARAM_set_hostflags(sc
->param
, flags
);
1097 const char *SSL_get0_peername(SSL
*s
)
1099 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1104 return X509_VERIFY_PARAM_get0_peername(sc
->param
);
1107 int SSL_CTX_dane_enable(SSL_CTX
*ctx
)
1109 return dane_ctx_enable(&ctx
->dane
);
1112 unsigned long SSL_CTX_dane_set_flags(SSL_CTX
*ctx
, unsigned long flags
)
1114 unsigned long orig
= ctx
->dane
.flags
;
1116 ctx
->dane
.flags
|= flags
;
1120 unsigned long SSL_CTX_dane_clear_flags(SSL_CTX
*ctx
, unsigned long flags
)
1122 unsigned long orig
= ctx
->dane
.flags
;
1124 ctx
->dane
.flags
&= ~flags
;
1128 int SSL_dane_enable(SSL
*s
, const char *basedomain
)
1131 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1137 if (s
->ctx
->dane
.mdmax
== 0) {
1138 ERR_raise(ERR_LIB_SSL
, SSL_R_CONTEXT_NOT_DANE_ENABLED
);
1141 if (dane
->trecs
!= NULL
) {
1142 ERR_raise(ERR_LIB_SSL
, SSL_R_DANE_ALREADY_ENABLED
);
1147 * Default SNI name. This rejects empty names, while set1_host below
1148 * accepts them and disables hostname checks. To avoid side-effects with
1149 * invalid input, set the SNI name first.
1151 if (sc
->ext
.hostname
== NULL
) {
1152 if (!SSL_set_tlsext_host_name(s
, basedomain
)) {
1153 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1158 /* Primary RFC6125 reference identifier */
1159 if (!X509_VERIFY_PARAM_set1_host(sc
->param
, basedomain
, 0)) {
1160 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN
);
1166 dane
->dctx
= &s
->ctx
->dane
;
1167 dane
->trecs
= sk_danetls_record_new_null();
1169 if (dane
->trecs
== NULL
) {
1170 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
1176 unsigned long SSL_dane_set_flags(SSL
*ssl
, unsigned long flags
)
1179 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1184 orig
= sc
->dane
.flags
;
1186 sc
->dane
.flags
|= flags
;
1190 unsigned long SSL_dane_clear_flags(SSL
*ssl
, unsigned long flags
)
1193 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1198 orig
= sc
->dane
.flags
;
1200 sc
->dane
.flags
&= ~flags
;
1204 int SSL_get0_dane_authority(SSL
*s
, X509
**mcert
, EVP_PKEY
**mspki
)
1207 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1214 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1218 *mcert
= dane
->mcert
;
1220 *mspki
= (dane
->mcert
== NULL
) ? dane
->mtlsa
->spki
: NULL
;
1225 int SSL_get0_dane_tlsa(SSL
*s
, uint8_t *usage
, uint8_t *selector
,
1226 uint8_t *mtype
, const unsigned char **data
, size_t *dlen
)
1229 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1236 if (!DANETLS_ENABLED(dane
) || sc
->verify_result
!= X509_V_OK
)
1240 *usage
= dane
->mtlsa
->usage
;
1242 *selector
= dane
->mtlsa
->selector
;
1244 *mtype
= dane
->mtlsa
->mtype
;
1246 *data
= dane
->mtlsa
->data
;
1248 *dlen
= dane
->mtlsa
->dlen
;
1253 SSL_DANE
*SSL_get0_dane(SSL
*s
)
1255 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1263 int SSL_dane_tlsa_add(SSL
*s
, uint8_t usage
, uint8_t selector
,
1264 uint8_t mtype
, const unsigned char *data
, size_t dlen
)
1266 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1271 return dane_tlsa_add(&sc
->dane
, usage
, selector
, mtype
, data
, dlen
);
1274 int SSL_CTX_dane_mtype_set(SSL_CTX
*ctx
, const EVP_MD
*md
, uint8_t mtype
,
1277 return dane_mtype_set(&ctx
->dane
, md
, mtype
, ord
);
1280 int SSL_CTX_set1_param(SSL_CTX
*ctx
, X509_VERIFY_PARAM
*vpm
)
1282 return X509_VERIFY_PARAM_set1(ctx
->param
, vpm
);
1285 int SSL_set1_param(SSL
*ssl
, X509_VERIFY_PARAM
*vpm
)
1287 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1292 return X509_VERIFY_PARAM_set1(sc
->param
, vpm
);
1295 X509_VERIFY_PARAM
*SSL_CTX_get0_param(SSL_CTX
*ctx
)
1300 X509_VERIFY_PARAM
*SSL_get0_param(SSL
*ssl
)
1302 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
1310 void SSL_certs_clear(SSL
*s
)
1312 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1317 ssl_cert_clear_certs(sc
->cert
);
1320 void SSL_free(SSL
*s
)
1326 CRYPTO_DOWN_REF(&s
->references
, &i
, s
->lock
);
1327 REF_PRINT_COUNT("SSL", s
);
1330 REF_ASSERT_ISNT(i
< 0);
1332 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL
, s
, &s
->ex_data
);
1334 if (s
->method
!= NULL
)
1335 s
->method
->ssl_free(s
);
1337 SSL_CTX_free(s
->ctx
);
1338 CRYPTO_THREAD_lock_free(s
->lock
);
1343 void ossl_ssl_connection_free(SSL
*ssl
)
1347 s
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
1351 X509_VERIFY_PARAM_free(s
->param
);
1352 dane_final(&s
->dane
);
1354 /* Ignore return value */
1355 ssl_free_wbio_buffer(s
);
1357 RECORD_LAYER_clear(&s
->rlayer
);
1359 BUF_MEM_free(s
->init_buf
);
1361 /* add extra stuff */
1362 sk_SSL_CIPHER_free(s
->cipher_list
);
1363 sk_SSL_CIPHER_free(s
->cipher_list_by_id
);
1364 sk_SSL_CIPHER_free(s
->tls13_ciphersuites
);
1365 sk_SSL_CIPHER_free(s
->peer_ciphers
);
1367 /* Make the next call work :-) */
1368 if (s
->session
!= NULL
) {
1369 ssl_clear_bad_session(s
);
1370 SSL_SESSION_free(s
->session
);
1372 SSL_SESSION_free(s
->psksession
);
1373 OPENSSL_free(s
->psksession_id
);
1375 ssl_cert_free(s
->cert
);
1376 OPENSSL_free(s
->shared_sigalgs
);
1377 /* Free up if allocated */
1379 OPENSSL_free(s
->ext
.hostname
);
1380 SSL_CTX_free(s
->session_ctx
);
1381 OPENSSL_free(s
->ext
.ecpointformats
);
1382 OPENSSL_free(s
->ext
.peer_ecpointformats
);
1383 OPENSSL_free(s
->ext
.supportedgroups
);
1384 OPENSSL_free(s
->ext
.peer_supportedgroups
);
1385 sk_X509_EXTENSION_pop_free(s
->ext
.ocsp
.exts
, X509_EXTENSION_free
);
1386 #ifndef OPENSSL_NO_OCSP
1387 sk_OCSP_RESPID_pop_free(s
->ext
.ocsp
.ids
, OCSP_RESPID_free
);
1389 #ifndef OPENSSL_NO_CT
1390 SCT_LIST_free(s
->scts
);
1391 OPENSSL_free(s
->ext
.scts
);
1393 OPENSSL_free(s
->ext
.ocsp
.resp
);
1394 OPENSSL_free(s
->ext
.alpn
);
1395 OPENSSL_free(s
->ext
.tls13_cookie
);
1396 if (s
->clienthello
!= NULL
)
1397 OPENSSL_free(s
->clienthello
->pre_proc_exts
);
1398 OPENSSL_free(s
->clienthello
);
1399 OPENSSL_free(s
->pha_context
);
1400 EVP_MD_CTX_free(s
->pha_dgst
);
1402 sk_X509_NAME_pop_free(s
->ca_names
, X509_NAME_free
);
1403 sk_X509_NAME_pop_free(s
->client_ca_names
, X509_NAME_free
);
1405 OSSL_STACK_OF_X509_free(s
->verified_chain
);
1407 if (ssl
->method
!= NULL
)
1408 ssl
->method
->ssl_deinit(ssl
);
1410 ASYNC_WAIT_CTX_free(s
->waitctx
);
1412 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1413 OPENSSL_free(s
->ext
.npn
);
1416 #ifndef OPENSSL_NO_SRTP
1417 sk_SRTP_PROTECTION_PROFILE_free(s
->srtp_profiles
);
1421 * We do this late. We want to ensure that any other references we held to
1422 * these BIOs are freed first *before* we call BIO_free_all(), because
1423 * BIO_free_all() will only free each BIO in the chain if the number of
1424 * references to the first BIO have dropped to 0
1426 BIO_free_all(s
->wbio
);
1428 BIO_free_all(s
->rbio
);
1432 void SSL_set0_rbio(SSL
*s
, BIO
*rbio
)
1434 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1435 #ifndef OPENSSL_NO_QUIC
1436 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
1439 ossl_quic_conn_set0_net_rbio(qc
, rbio
);
1447 BIO_free_all(sc
->rbio
);
1449 sc
->rlayer
.rrlmethod
->set1_bio(sc
->rlayer
.rrl
, sc
->rbio
);
1452 void SSL_set0_wbio(SSL
*s
, BIO
*wbio
)
1454 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1455 #ifndef OPENSSL_NO_QUIC
1456 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
1459 ossl_quic_conn_set0_net_wbio(qc
, wbio
);
1468 * If the output buffering BIO is still in place, remove it
1470 if (sc
->bbio
!= NULL
)
1471 sc
->wbio
= BIO_pop(sc
->wbio
);
1473 BIO_free_all(sc
->wbio
);
1476 /* Re-attach |bbio| to the new |wbio|. */
1477 if (sc
->bbio
!= NULL
)
1478 sc
->wbio
= BIO_push(sc
->bbio
, sc
->wbio
);
1480 sc
->rlayer
.wrlmethod
->set1_bio(sc
->rlayer
.wrl
, sc
->wbio
);
1483 void SSL_set_bio(SSL
*s
, BIO
*rbio
, BIO
*wbio
)
1486 * For historical reasons, this function has many different cases in
1487 * ownership handling.
1490 /* If nothing has changed, do nothing */
1491 if (rbio
== SSL_get_rbio(s
) && wbio
== SSL_get_wbio(s
))
1495 * If the two arguments are equal then one fewer reference is granted by the
1496 * caller than we want to take
1498 if (rbio
!= NULL
&& rbio
== wbio
)
1502 * If only the wbio is changed only adopt one reference.
1504 if (rbio
== SSL_get_rbio(s
)) {
1505 SSL_set0_wbio(s
, wbio
);
1509 * There is an asymmetry here for historical reasons. If only the rbio is
1510 * changed AND the rbio and wbio were originally different, then we only
1511 * adopt one reference.
1513 if (wbio
== SSL_get_wbio(s
) && SSL_get_rbio(s
) != SSL_get_wbio(s
)) {
1514 SSL_set0_rbio(s
, rbio
);
1518 /* Otherwise, adopt both references. */
1519 SSL_set0_rbio(s
, rbio
);
1520 SSL_set0_wbio(s
, wbio
);
1523 BIO
*SSL_get_rbio(const SSL
*s
)
1525 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1526 #ifndef OPENSSL_NO_QUIC
1527 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
1530 return ossl_quic_conn_get_net_rbio(qc
);
1539 BIO
*SSL_get_wbio(const SSL
*s
)
1541 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1542 #ifndef OPENSSL_NO_QUIC
1543 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
1546 return ossl_quic_conn_get_net_rbio(qc
);
1552 if (sc
->bbio
!= NULL
) {
1554 * If |bbio| is active, the true caller-configured BIO is its
1557 return BIO_next(sc
->bbio
);
1562 int SSL_get_fd(const SSL
*s
)
1564 return SSL_get_rfd(s
);
1567 int SSL_get_rfd(const SSL
*s
)
1572 b
= SSL_get_rbio(s
);
1573 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1575 BIO_get_fd(r
, &ret
);
1579 int SSL_get_wfd(const SSL
*s
)
1584 b
= SSL_get_wbio(s
);
1585 r
= BIO_find_type(b
, BIO_TYPE_DESCRIPTOR
);
1587 BIO_get_fd(r
, &ret
);
1591 #ifndef OPENSSL_NO_SOCK
1592 int SSL_set_fd(SSL
*s
, int fd
)
1597 bio
= BIO_new(BIO_s_socket());
1600 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1603 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1604 SSL_set_bio(s
, bio
, bio
);
1605 #ifndef OPENSSL_NO_KTLS
1607 * The new socket is created successfully regardless of ktls_enable.
1608 * ktls_enable doesn't change any functionality of the socket, except
1609 * changing the setsockopt to enable the processing of ktls_start.
1610 * Thus, it is not a problem to call it for non-TLS sockets.
1613 #endif /* OPENSSL_NO_KTLS */
1619 int SSL_set_wfd(SSL
*s
, int fd
)
1621 BIO
*rbio
= SSL_get_rbio(s
);
1623 if (rbio
== NULL
|| BIO_method_type(rbio
) != BIO_TYPE_SOCKET
1624 || (int)BIO_get_fd(rbio
, NULL
) != fd
) {
1625 BIO
*bio
= BIO_new(BIO_s_socket());
1628 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1631 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1632 SSL_set0_wbio(s
, bio
);
1633 #ifndef OPENSSL_NO_KTLS
1635 * The new socket is created successfully regardless of ktls_enable.
1636 * ktls_enable doesn't change any functionality of the socket, except
1637 * changing the setsockopt to enable the processing of ktls_start.
1638 * Thus, it is not a problem to call it for non-TLS sockets.
1641 #endif /* OPENSSL_NO_KTLS */
1644 SSL_set0_wbio(s
, rbio
);
1649 int SSL_set_rfd(SSL
*s
, int fd
)
1651 BIO
*wbio
= SSL_get_wbio(s
);
1653 if (wbio
== NULL
|| BIO_method_type(wbio
) != BIO_TYPE_SOCKET
1654 || ((int)BIO_get_fd(wbio
, NULL
) != fd
)) {
1655 BIO
*bio
= BIO_new(BIO_s_socket());
1658 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
1661 BIO_set_fd(bio
, fd
, BIO_NOCLOSE
);
1662 SSL_set0_rbio(s
, bio
);
1665 SSL_set0_rbio(s
, wbio
);
1672 /* return length of latest Finished message we sent, copy to 'buf' */
1673 size_t SSL_get_finished(const SSL
*s
, void *buf
, size_t count
)
1676 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1681 ret
= sc
->s3
.tmp
.finish_md_len
;
1684 memcpy(buf
, sc
->s3
.tmp
.finish_md
, count
);
1688 /* return length of latest Finished message we expected, copy to 'buf' */
1689 size_t SSL_get_peer_finished(const SSL
*s
, void *buf
, size_t count
)
1692 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1697 ret
= sc
->s3
.tmp
.peer_finish_md_len
;
1700 memcpy(buf
, sc
->s3
.tmp
.peer_finish_md
, count
);
1704 int SSL_get_verify_mode(const SSL
*s
)
1706 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1711 return sc
->verify_mode
;
1714 int SSL_get_verify_depth(const SSL
*s
)
1716 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1721 return X509_VERIFY_PARAM_get_depth(sc
->param
);
1724 int (*SSL_get_verify_callback(const SSL
*s
)) (int, X509_STORE_CTX
*) {
1725 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1730 return sc
->verify_callback
;
1733 int SSL_CTX_get_verify_mode(const SSL_CTX
*ctx
)
1735 return ctx
->verify_mode
;
1738 int SSL_CTX_get_verify_depth(const SSL_CTX
*ctx
)
1740 return X509_VERIFY_PARAM_get_depth(ctx
->param
);
1743 int (*SSL_CTX_get_verify_callback(const SSL_CTX
*ctx
)) (int, X509_STORE_CTX
*) {
1744 return ctx
->default_verify_callback
;
1747 void SSL_set_verify(SSL
*s
, int mode
,
1748 int (*callback
) (int ok
, X509_STORE_CTX
*ctx
))
1750 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1755 sc
->verify_mode
= mode
;
1756 if (callback
!= NULL
)
1757 sc
->verify_callback
= callback
;
1760 void SSL_set_verify_depth(SSL
*s
, int depth
)
1762 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1767 X509_VERIFY_PARAM_set_depth(sc
->param
, depth
);
1770 void SSL_set_read_ahead(SSL
*s
, int yes
)
1772 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1773 OSSL_PARAM options
[2], *opts
= options
;
1778 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, yes
);
1780 *opts
++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD
,
1781 &sc
->rlayer
.read_ahead
);
1782 *opts
= OSSL_PARAM_construct_end();
1784 /* Ignore return value */
1785 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
1788 int SSL_get_read_ahead(const SSL
*s
)
1790 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1795 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
1798 int SSL_pending(const SSL
*s
)
1800 size_t pending
= s
->method
->ssl_pending(s
);
1803 * SSL_pending cannot work properly if read-ahead is enabled
1804 * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)), and it is
1805 * impossible to fix since SSL_pending cannot report errors that may be
1806 * observed while scanning the new data. (Note that SSL_pending() is
1807 * often used as a boolean value, so we'd better not return -1.)
1809 * SSL_pending also cannot work properly if the value >INT_MAX. In that case
1810 * we just return INT_MAX.
1812 return pending
< INT_MAX
? (int)pending
: INT_MAX
;
1815 int SSL_has_pending(const SSL
*s
)
1818 * Similar to SSL_pending() but returns a 1 to indicate that we have
1819 * processed or unprocessed data available or 0 otherwise (as opposed to the
1820 * number of bytes available). Unlike SSL_pending() this will take into
1821 * account read_ahead data. A 1 return simply indicates that we have data.
1822 * That data may not result in any application data, or we may fail to parse
1823 * the records for some reason.
1825 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1827 /* Check buffered app data if any first */
1828 if (SSL_CONNECTION_IS_DTLS(sc
)) {
1832 iter
= pqueue_iterator(sc
->rlayer
.d
->buffered_app_data
.q
);
1833 while ((item
= pqueue_next(&iter
)) != NULL
) {
1835 if (rdata
->length
> 0)
1840 if (RECORD_LAYER_processed_read_pending(&sc
->rlayer
))
1843 return RECORD_LAYER_read_pending(&sc
->rlayer
);
1846 X509
*SSL_get1_peer_certificate(const SSL
*s
)
1848 X509
*r
= SSL_get0_peer_certificate(s
);
1856 X509
*SSL_get0_peer_certificate(const SSL
*s
)
1858 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1863 if (sc
->session
== NULL
)
1866 return sc
->session
->peer
;
1869 STACK_OF(X509
) *SSL_get_peer_cert_chain(const SSL
*s
)
1872 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
1877 if (sc
->session
== NULL
)
1880 r
= sc
->session
->peer_chain
;
1883 * If we are a client, cert_chain includes the peer's own certificate; if
1884 * we are a server, it does not.
1891 * Now in theory, since the calling process own 't' it should be safe to
1892 * modify. We need to be able to read f without being hassled
1894 int SSL_copy_session_id(SSL
*t
, const SSL
*f
)
1897 /* TODO(QUIC): Do we want to support this for QUIC connections? */
1898 SSL_CONNECTION
*tsc
= SSL_CONNECTION_FROM_SSL_ONLY(t
);
1899 const SSL_CONNECTION
*fsc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(f
);
1901 if (tsc
== NULL
|| fsc
== NULL
)
1904 /* Do we need to do SSL locking? */
1905 if (!SSL_set_session(t
, SSL_get_session(f
))) {
1910 * what if we are setup for one protocol version but want to talk another
1912 if (t
->method
!= f
->method
) {
1913 t
->method
->ssl_deinit(t
);
1914 t
->method
= f
->method
;
1915 if (t
->method
->ssl_init(t
) == 0)
1919 CRYPTO_UP_REF(&fsc
->cert
->references
, &i
, fsc
->cert
->lock
);
1920 ssl_cert_free(tsc
->cert
);
1921 tsc
->cert
= fsc
->cert
;
1922 if (!SSL_set_session_id_context(t
, fsc
->sid_ctx
, (int)fsc
->sid_ctx_length
)) {
1929 /* Fix this so it checks all the valid key/cert options */
1930 int SSL_CTX_check_private_key(const SSL_CTX
*ctx
)
1932 if ((ctx
== NULL
) || (ctx
->cert
->key
->x509
== NULL
)) {
1933 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1936 if (ctx
->cert
->key
->privatekey
== NULL
) {
1937 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1940 return X509_check_private_key
1941 (ctx
->cert
->key
->x509
, ctx
->cert
->key
->privatekey
);
1944 /* Fix this function so that it takes an optional type parameter */
1945 int SSL_check_private_key(const SSL
*ssl
)
1947 const SSL_CONNECTION
*sc
;
1949 if ((sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
)) == NULL
) {
1950 ERR_raise(ERR_LIB_SSL
, ERR_R_PASSED_NULL_PARAMETER
);
1953 if (sc
->cert
->key
->x509
== NULL
) {
1954 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CERTIFICATE_ASSIGNED
);
1957 if (sc
->cert
->key
->privatekey
== NULL
) {
1958 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_PRIVATE_KEY_ASSIGNED
);
1961 return X509_check_private_key(sc
->cert
->key
->x509
,
1962 sc
->cert
->key
->privatekey
);
1965 int SSL_waiting_for_async(SSL
*s
)
1967 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1978 int SSL_get_all_async_fds(SSL
*s
, OSSL_ASYNC_FD
*fds
, size_t *numfds
)
1980 ASYNC_WAIT_CTX
*ctx
;
1981 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
1986 if ((ctx
= sc
->waitctx
) == NULL
)
1988 return ASYNC_WAIT_CTX_get_all_fds(ctx
, fds
, numfds
);
1991 int SSL_get_changed_async_fds(SSL
*s
, OSSL_ASYNC_FD
*addfd
, size_t *numaddfds
,
1992 OSSL_ASYNC_FD
*delfd
, size_t *numdelfds
)
1994 ASYNC_WAIT_CTX
*ctx
;
1995 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2000 if ((ctx
= sc
->waitctx
) == NULL
)
2002 return ASYNC_WAIT_CTX_get_changed_fds(ctx
, addfd
, numaddfds
, delfd
,
2006 int SSL_CTX_set_async_callback(SSL_CTX
*ctx
, SSL_async_callback_fn callback
)
2008 ctx
->async_cb
= callback
;
2012 int SSL_CTX_set_async_callback_arg(SSL_CTX
*ctx
, void *arg
)
2014 ctx
->async_cb_arg
= arg
;
2018 int SSL_set_async_callback(SSL
*s
, SSL_async_callback_fn callback
)
2020 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2025 sc
->async_cb
= callback
;
2029 int SSL_set_async_callback_arg(SSL
*s
, void *arg
)
2031 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2036 sc
->async_cb_arg
= arg
;
2040 int SSL_get_async_status(SSL
*s
, int *status
)
2042 ASYNC_WAIT_CTX
*ctx
;
2043 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2048 if ((ctx
= sc
->waitctx
) == NULL
)
2050 *status
= ASYNC_WAIT_CTX_get_status(ctx
);
2054 int SSL_accept(SSL
*s
)
2056 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2057 #ifndef OPENSSL_NO_QUIC
2058 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2061 return s
->method
->ssl_accept(s
);
2067 if (sc
->handshake_func
== NULL
) {
2068 /* Not properly initialized yet */
2069 SSL_set_accept_state(s
);
2072 return SSL_do_handshake(s
);
2075 int SSL_connect(SSL
*s
)
2077 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2078 #ifndef OPENSSL_NO_QUIC
2079 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2082 return s
->method
->ssl_connect(s
);
2088 if (sc
->handshake_func
== NULL
) {
2089 /* Not properly initialized yet */
2090 SSL_set_connect_state(s
);
2093 return SSL_do_handshake(s
);
2096 long SSL_get_default_timeout(const SSL
*s
)
2098 return (long int)ossl_time2seconds(s
->method
->get_timeout());
2101 static int ssl_async_wait_ctx_cb(void *arg
)
2103 SSL
*s
= (SSL
*)arg
;
2104 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2109 return sc
->async_cb(s
, sc
->async_cb_arg
);
2112 static int ssl_start_async_job(SSL
*s
, struct ssl_async_args
*args
,
2113 int (*func
) (void *))
2116 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2121 if (sc
->waitctx
== NULL
) {
2122 sc
->waitctx
= ASYNC_WAIT_CTX_new();
2123 if (sc
->waitctx
== NULL
)
2125 if (sc
->async_cb
!= NULL
2126 && !ASYNC_WAIT_CTX_set_callback
2127 (sc
->waitctx
, ssl_async_wait_ctx_cb
, s
))
2131 sc
->rwstate
= SSL_NOTHING
;
2132 switch (ASYNC_start_job(&sc
->job
, sc
->waitctx
, &ret
, func
, args
,
2133 sizeof(struct ssl_async_args
))) {
2135 sc
->rwstate
= SSL_NOTHING
;
2136 ERR_raise(ERR_LIB_SSL
, SSL_R_FAILED_TO_INIT_ASYNC
);
2139 sc
->rwstate
= SSL_ASYNC_PAUSED
;
2142 sc
->rwstate
= SSL_ASYNC_NO_JOBS
;
2148 sc
->rwstate
= SSL_NOTHING
;
2149 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
2150 /* Shouldn't happen */
2155 static int ssl_io_intern(void *vargs
)
2157 struct ssl_async_args
*args
;
2163 args
= (struct ssl_async_args
*)vargs
;
2167 if ((sc
= SSL_CONNECTION_FROM_SSL(s
)) == NULL
)
2170 switch (args
->type
) {
2172 return args
->f
.func_read(s
, buf
, num
, &sc
->asyncrw
);
2174 return args
->f
.func_write(s
, buf
, num
, &sc
->asyncrw
);
2176 return args
->f
.func_other(s
);
2181 int ssl_read_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2183 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2184 #ifndef OPENSSL_NO_QUIC
2185 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2188 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2194 if (sc
->handshake_func
== NULL
) {
2195 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2199 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2200 sc
->rwstate
= SSL_NOTHING
;
2204 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2205 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
) {
2206 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2210 * If we are a client and haven't received the ServerHello etc then we
2213 ossl_statem_check_finish_init(sc
, 0);
2215 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2216 struct ssl_async_args args
;
2222 args
.type
= READFUNC
;
2223 args
.f
.func_read
= s
->method
->ssl_read
;
2225 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2226 *readbytes
= sc
->asyncrw
;
2229 return s
->method
->ssl_read(s
, buf
, num
, readbytes
);
2233 int SSL_read(SSL
*s
, void *buf
, int num
)
2239 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2243 ret
= ssl_read_internal(s
, buf
, (size_t)num
, &readbytes
);
2246 * The cast is safe here because ret should be <= INT_MAX because num is
2250 ret
= (int)readbytes
;
2255 int SSL_read_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2257 int ret
= ssl_read_internal(s
, buf
, num
, readbytes
);
2264 int SSL_read_early_data(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2267 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2269 /* TODO(QUIC): This will need special handling for QUIC */
2274 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2275 return SSL_READ_EARLY_DATA_ERROR
;
2278 switch (sc
->early_data_state
) {
2279 case SSL_EARLY_DATA_NONE
:
2280 if (!SSL_in_before(s
)) {
2281 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2282 return SSL_READ_EARLY_DATA_ERROR
;
2286 case SSL_EARLY_DATA_ACCEPT_RETRY
:
2287 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPTING
;
2288 ret
= SSL_accept(s
);
2291 sc
->early_data_state
= SSL_EARLY_DATA_ACCEPT_RETRY
;
2292 return SSL_READ_EARLY_DATA_ERROR
;
2296 case SSL_EARLY_DATA_READ_RETRY
:
2297 if (sc
->ext
.early_data
== SSL_EARLY_DATA_ACCEPTED
) {
2298 sc
->early_data_state
= SSL_EARLY_DATA_READING
;
2299 ret
= SSL_read_ex(s
, buf
, num
, readbytes
);
2301 * State machine will update early_data_state to
2302 * SSL_EARLY_DATA_FINISHED_READING if we get an EndOfEarlyData
2305 if (ret
> 0 || (ret
<= 0 && sc
->early_data_state
2306 != SSL_EARLY_DATA_FINISHED_READING
)) {
2307 sc
->early_data_state
= SSL_EARLY_DATA_READ_RETRY
;
2308 return ret
> 0 ? SSL_READ_EARLY_DATA_SUCCESS
2309 : SSL_READ_EARLY_DATA_ERROR
;
2312 sc
->early_data_state
= SSL_EARLY_DATA_FINISHED_READING
;
2315 return SSL_READ_EARLY_DATA_FINISH
;
2318 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2319 return SSL_READ_EARLY_DATA_ERROR
;
2323 int SSL_get_early_data_status(const SSL
*s
)
2325 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
2327 /* TODO(QUIC): This will need special handling for QUIC */
2331 return sc
->ext
.early_data
;
2334 static int ssl_peek_internal(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2336 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2337 #ifndef OPENSSL_NO_QUIC
2338 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2341 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2347 if (sc
->handshake_func
== NULL
) {
2348 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2352 if (sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) {
2355 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2356 struct ssl_async_args args
;
2362 args
.type
= READFUNC
;
2363 args
.f
.func_read
= s
->method
->ssl_peek
;
2365 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2366 *readbytes
= sc
->asyncrw
;
2369 return s
->method
->ssl_peek(s
, buf
, num
, readbytes
);
2373 int SSL_peek(SSL
*s
, void *buf
, int num
)
2379 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2383 ret
= ssl_peek_internal(s
, buf
, (size_t)num
, &readbytes
);
2386 * The cast is safe here because ret should be <= INT_MAX because num is
2390 ret
= (int)readbytes
;
2396 int SSL_peek_ex(SSL
*s
, void *buf
, size_t num
, size_t *readbytes
)
2398 int ret
= ssl_peek_internal(s
, buf
, num
, readbytes
);
2405 int ssl_write_internal(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2407 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2408 #ifndef OPENSSL_NO_QUIC
2409 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
2412 return s
->method
->ssl_write(s
, buf
, num
, written
);
2418 if (sc
->handshake_func
== NULL
) {
2419 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2423 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2424 sc
->rwstate
= SSL_NOTHING
;
2425 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2429 if (sc
->early_data_state
== SSL_EARLY_DATA_CONNECT_RETRY
2430 || sc
->early_data_state
== SSL_EARLY_DATA_ACCEPT_RETRY
2431 || sc
->early_data_state
== SSL_EARLY_DATA_READ_RETRY
) {
2432 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2435 /* If we are a client and haven't sent the Finished we better do that */
2436 ossl_statem_check_finish_init(sc
, 1);
2438 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2440 struct ssl_async_args args
;
2443 args
.buf
= (void *)buf
;
2445 args
.type
= WRITEFUNC
;
2446 args
.f
.func_write
= s
->method
->ssl_write
;
2448 ret
= ssl_start_async_job(s
, &args
, ssl_io_intern
);
2449 *written
= sc
->asyncrw
;
2452 return s
->method
->ssl_write(s
, buf
, num
, written
);
2456 ossl_ssize_t
SSL_sendfile(SSL
*s
, int fd
, off_t offset
, size_t size
, int flags
)
2459 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2464 if (sc
->handshake_func
== NULL
) {
2465 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2469 if (sc
->shutdown
& SSL_SENT_SHUTDOWN
) {
2470 sc
->rwstate
= SSL_NOTHING
;
2471 ERR_raise(ERR_LIB_SSL
, SSL_R_PROTOCOL_IS_SHUTDOWN
);
2475 if (!BIO_get_ktls_send(sc
->wbio
)) {
2476 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2480 /* If we have an alert to send, lets send it */
2481 if (sc
->s3
.alert_dispatch
> 0) {
2482 ret
= (ossl_ssize_t
)s
->method
->ssl_dispatch_alert(s
);
2484 /* SSLfatal() already called if appropriate */
2487 /* if it went, fall through and send more stuff */
2490 sc
->rwstate
= SSL_WRITING
;
2491 if (BIO_flush(sc
->wbio
) <= 0) {
2492 if (!BIO_should_retry(sc
->wbio
)) {
2493 sc
->rwstate
= SSL_NOTHING
;
2496 set_sys_error(EAGAIN
);
2502 #ifdef OPENSSL_NO_KTLS
2503 ERR_raise_data(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
,
2504 "can't call ktls_sendfile(), ktls disabled");
2507 ret
= ktls_sendfile(SSL_get_wfd(s
), fd
, offset
, size
, flags
);
2509 #if defined(EAGAIN) && defined(EINTR) && defined(EBUSY)
2510 if ((get_last_sys_error() == EAGAIN
) ||
2511 (get_last_sys_error() == EINTR
) ||
2512 (get_last_sys_error() == EBUSY
))
2513 BIO_set_retry_write(sc
->wbio
);
2516 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2519 sc
->rwstate
= SSL_NOTHING
;
2524 int SSL_write(SSL
*s
, const void *buf
, int num
)
2530 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
2534 ret
= ssl_write_internal(s
, buf
, (size_t)num
, &written
);
2537 * The cast is safe here because ret should be <= INT_MAX because num is
2546 int SSL_write_ex(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2548 int ret
= ssl_write_internal(s
, buf
, num
, written
);
2555 int SSL_write_early_data(SSL
*s
, const void *buf
, size_t num
, size_t *written
)
2557 int ret
, early_data_state
;
2559 uint32_t partialwrite
;
2560 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2562 /* TODO(QUIC): This will need special handling for QUIC */
2566 switch (sc
->early_data_state
) {
2567 case SSL_EARLY_DATA_NONE
:
2569 || !SSL_in_before(s
)
2570 || ((sc
->session
== NULL
|| sc
->session
->ext
.max_early_data
== 0)
2571 && (sc
->psk_use_session_cb
== NULL
))) {
2572 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2577 case SSL_EARLY_DATA_CONNECT_RETRY
:
2578 sc
->early_data_state
= SSL_EARLY_DATA_CONNECTING
;
2579 ret
= SSL_connect(s
);
2582 sc
->early_data_state
= SSL_EARLY_DATA_CONNECT_RETRY
;
2587 case SSL_EARLY_DATA_WRITE_RETRY
:
2588 sc
->early_data_state
= SSL_EARLY_DATA_WRITING
;
2590 * We disable partial write for early data because we don't keep track
2591 * of how many bytes we've written between the SSL_write_ex() call and
2592 * the flush if the flush needs to be retried)
2594 partialwrite
= sc
->mode
& SSL_MODE_ENABLE_PARTIAL_WRITE
;
2595 sc
->mode
&= ~SSL_MODE_ENABLE_PARTIAL_WRITE
;
2596 ret
= SSL_write_ex(s
, buf
, num
, &writtmp
);
2597 sc
->mode
|= partialwrite
;
2599 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2602 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_FLUSH
;
2605 case SSL_EARLY_DATA_WRITE_FLUSH
:
2606 /* The buffering BIO is still in place so we need to flush it */
2607 if (statem_flush(sc
) != 1)
2610 sc
->early_data_state
= SSL_EARLY_DATA_WRITE_RETRY
;
2613 case SSL_EARLY_DATA_FINISHED_READING
:
2614 case SSL_EARLY_DATA_READ_RETRY
:
2615 early_data_state
= sc
->early_data_state
;
2616 /* We are a server writing to an unauthenticated client */
2617 sc
->early_data_state
= SSL_EARLY_DATA_UNAUTH_WRITING
;
2618 ret
= SSL_write_ex(s
, buf
, num
, written
);
2619 /* The buffering BIO is still in place */
2621 (void)BIO_flush(sc
->wbio
);
2622 sc
->early_data_state
= early_data_state
;
2626 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
2631 int SSL_shutdown(SSL
*s
)
2634 * Note that this function behaves differently from what one might
2635 * expect. Return values are 0 for no success (yet), 1 for success; but
2636 * calling it once is usually not enough, even if blocking I/O is used
2637 * (see ssl3_shutdown).
2639 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2644 if (sc
->handshake_func
== NULL
) {
2645 ERR_raise(ERR_LIB_SSL
, SSL_R_UNINITIALIZED
);
2649 if (!SSL_in_init(s
)) {
2650 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
2651 struct ssl_async_args args
;
2653 memset(&args
, 0, sizeof(args
));
2655 args
.type
= OTHERFUNC
;
2656 args
.f
.func_other
= s
->method
->ssl_shutdown
;
2658 return ssl_start_async_job(s
, &args
, ssl_io_intern
);
2660 return s
->method
->ssl_shutdown(s
);
2663 ERR_raise(ERR_LIB_SSL
, SSL_R_SHUTDOWN_WHILE_IN_INIT
);
2668 int SSL_key_update(SSL
*s
, int updatetype
)
2670 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2675 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
2676 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2680 if (updatetype
!= SSL_KEY_UPDATE_NOT_REQUESTED
2681 && updatetype
!= SSL_KEY_UPDATE_REQUESTED
) {
2682 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_KEY_UPDATE_TYPE
);
2686 if (!SSL_is_init_finished(s
)) {
2687 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
2691 if (RECORD_LAYER_write_pending(&sc
->rlayer
)) {
2692 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_WRITE_RETRY
);
2696 ossl_statem_set_in_init(sc
, 1);
2697 sc
->key_update
= updatetype
;
2701 int SSL_get_key_update_type(const SSL
*s
)
2703 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
2708 return sc
->key_update
;
2712 * Can we accept a renegotiation request? If yes, set the flag and
2713 * return 1 if yes. If not, raise error and return 0.
2715 static int can_renegotiate(const SSL_CONNECTION
*sc
)
2717 if (SSL_CONNECTION_IS_TLS13(sc
)) {
2718 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
2722 if ((sc
->options
& SSL_OP_NO_RENEGOTIATION
) != 0) {
2723 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_RENEGOTIATION
);
2730 int SSL_renegotiate(SSL
*s
)
2732 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2737 if (!can_renegotiate(sc
))
2740 sc
->renegotiate
= 1;
2741 sc
->new_session
= 1;
2742 return s
->method
->ssl_renegotiate(s
);
2745 int SSL_renegotiate_abbreviated(SSL
*s
)
2747 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2752 if (!can_renegotiate(sc
))
2755 sc
->renegotiate
= 1;
2756 sc
->new_session
= 0;
2757 return s
->method
->ssl_renegotiate(s
);
2760 int SSL_renegotiate_pending(const SSL
*s
)
2762 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
2768 * becomes true when negotiation is requested; false again once a
2769 * handshake has finished
2771 return (sc
->renegotiate
!= 0);
2774 int SSL_new_session_ticket(SSL
*s
)
2776 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2781 /* If we are in init because we're sending tickets, okay to send more. */
2782 if ((SSL_in_init(s
) && sc
->ext
.extra_tickets_expected
== 0)
2783 || SSL_IS_FIRST_HANDSHAKE(sc
) || !sc
->server
2784 || !SSL_CONNECTION_IS_TLS13(sc
))
2786 sc
->ext
.extra_tickets_expected
++;
2787 if (!RECORD_LAYER_write_pending(&sc
->rlayer
) && !SSL_in_init(s
))
2788 ossl_statem_set_in_init(sc
, 1);
2792 long SSL_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
)
2795 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2797 /* TODO(QUIC): Special handling for some ctrls will be needed */
2802 case SSL_CTRL_GET_READ_AHEAD
:
2803 return RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2804 case SSL_CTRL_SET_READ_AHEAD
:
2805 l
= RECORD_LAYER_get_read_ahead(&sc
->rlayer
);
2806 RECORD_LAYER_set_read_ahead(&sc
->rlayer
, larg
);
2809 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
2810 sc
->msg_callback_arg
= parg
;
2815 OSSL_PARAM options
[2], *opts
= options
;
2819 *opts
++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE
,
2821 *opts
= OSSL_PARAM_construct_end();
2823 /* Ignore return value */
2824 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
2828 case SSL_CTRL_CLEAR_MODE
:
2829 return (sc
->mode
&= ~larg
);
2830 case SSL_CTRL_GET_MAX_CERT_LIST
:
2831 return (long)sc
->max_cert_list
;
2832 case SSL_CTRL_SET_MAX_CERT_LIST
:
2835 l
= (long)sc
->max_cert_list
;
2836 sc
->max_cert_list
= (size_t)larg
;
2838 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
2839 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
2841 #ifndef OPENSSL_NO_KTLS
2842 if (sc
->wbio
!= NULL
&& BIO_get_ktls_send(sc
->wbio
))
2844 #endif /* OPENSSL_NO_KTLS */
2845 sc
->max_send_fragment
= larg
;
2846 if (sc
->max_send_fragment
< sc
->split_send_fragment
)
2847 sc
->split_send_fragment
= sc
->max_send_fragment
;
2848 sc
->rlayer
.wrlmethod
->set_max_frag_len(sc
->rlayer
.wrl
, larg
);
2850 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
2851 if ((size_t)larg
> sc
->max_send_fragment
|| larg
== 0)
2853 sc
->split_send_fragment
= larg
;
2855 case SSL_CTRL_SET_MAX_PIPELINES
:
2856 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
2858 sc
->max_pipelines
= larg
;
2859 if (sc
->rlayer
.rrlmethod
->set_max_pipelines
!= NULL
)
2860 sc
->rlayer
.rrlmethod
->set_max_pipelines(sc
->rlayer
.rrl
, (size_t)larg
);
2862 case SSL_CTRL_GET_RI_SUPPORT
:
2863 return sc
->s3
.send_connection_binding
;
2864 case SSL_CTRL_SET_RETRY_VERIFY
:
2865 sc
->rwstate
= SSL_RETRY_VERIFY
;
2867 case SSL_CTRL_CERT_FLAGS
:
2868 return (sc
->cert
->cert_flags
|= larg
);
2869 case SSL_CTRL_CLEAR_CERT_FLAGS
:
2870 return (sc
->cert
->cert_flags
&= ~larg
);
2872 case SSL_CTRL_GET_RAW_CIPHERLIST
:
2874 if (sc
->s3
.tmp
.ciphers_raw
== NULL
)
2876 *(unsigned char **)parg
= sc
->s3
.tmp
.ciphers_raw
;
2877 return (int)sc
->s3
.tmp
.ciphers_rawlen
;
2879 return TLS_CIPHER_LEN
;
2881 case SSL_CTRL_GET_EXTMS_SUPPORT
:
2882 if (!sc
->session
|| SSL_in_init(s
) || ossl_statem_get_in_handshake(sc
))
2884 if (sc
->session
->flags
& SSL_SESS_FLAG_EXTMS
)
2888 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
2889 return ssl_check_allowed_versions(larg
, sc
->max_proto_version
)
2890 && ssl_set_version_bound(s
->ctx
->method
->version
, (int)larg
,
2891 &sc
->min_proto_version
);
2892 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
2893 return sc
->min_proto_version
;
2894 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
2895 return ssl_check_allowed_versions(sc
->min_proto_version
, larg
)
2896 && ssl_set_version_bound(s
->ctx
->method
->version
, (int)larg
,
2897 &sc
->max_proto_version
);
2898 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
2899 return sc
->max_proto_version
;
2901 return s
->method
->ssl_ctrl(s
, cmd
, larg
, parg
);
2905 long SSL_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void))
2907 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
2913 case SSL_CTRL_SET_MSG_CALLBACK
:
2914 sc
->msg_callback
= (void (*)
2915 (int write_p
, int version
, int content_type
,
2916 const void *buf
, size_t len
, SSL
*ssl
,
2921 return s
->method
->ssl_callback_ctrl(s
, cmd
, fp
);
2925 LHASH_OF(SSL_SESSION
) *SSL_CTX_sessions(SSL_CTX
*ctx
)
2927 return ctx
->sessions
;
2930 static int ssl_tsan_load(SSL_CTX
*ctx
, TSAN_QUALIFIER
int *stat
)
2934 if (ssl_tsan_lock(ctx
)) {
2935 res
= tsan_load(stat
);
2936 ssl_tsan_unlock(ctx
);
2941 long SSL_CTX_ctrl(SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
)
2944 /* For some cases with ctx == NULL perform syntax checks */
2947 case SSL_CTRL_SET_GROUPS_LIST
:
2948 return tls1_set_groups_list(ctx
, NULL
, NULL
, parg
);
2949 case SSL_CTRL_SET_SIGALGS_LIST
:
2950 case SSL_CTRL_SET_CLIENT_SIGALGS_LIST
:
2951 return tls1_set_sigalgs_list(NULL
, parg
, 0);
2958 case SSL_CTRL_GET_READ_AHEAD
:
2959 return ctx
->read_ahead
;
2960 case SSL_CTRL_SET_READ_AHEAD
:
2961 l
= ctx
->read_ahead
;
2962 ctx
->read_ahead
= larg
;
2965 case SSL_CTRL_SET_MSG_CALLBACK_ARG
:
2966 ctx
->msg_callback_arg
= parg
;
2969 case SSL_CTRL_GET_MAX_CERT_LIST
:
2970 return (long)ctx
->max_cert_list
;
2971 case SSL_CTRL_SET_MAX_CERT_LIST
:
2974 l
= (long)ctx
->max_cert_list
;
2975 ctx
->max_cert_list
= (size_t)larg
;
2978 case SSL_CTRL_SET_SESS_CACHE_SIZE
:
2981 l
= (long)ctx
->session_cache_size
;
2982 ctx
->session_cache_size
= (size_t)larg
;
2984 case SSL_CTRL_GET_SESS_CACHE_SIZE
:
2985 return (long)ctx
->session_cache_size
;
2986 case SSL_CTRL_SET_SESS_CACHE_MODE
:
2987 l
= ctx
->session_cache_mode
;
2988 ctx
->session_cache_mode
= larg
;
2990 case SSL_CTRL_GET_SESS_CACHE_MODE
:
2991 return ctx
->session_cache_mode
;
2993 case SSL_CTRL_SESS_NUMBER
:
2994 return lh_SSL_SESSION_num_items(ctx
->sessions
);
2995 case SSL_CTRL_SESS_CONNECT
:
2996 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect
);
2997 case SSL_CTRL_SESS_CONNECT_GOOD
:
2998 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_good
);
2999 case SSL_CTRL_SESS_CONNECT_RENEGOTIATE
:
3000 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_connect_renegotiate
);
3001 case SSL_CTRL_SESS_ACCEPT
:
3002 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept
);
3003 case SSL_CTRL_SESS_ACCEPT_GOOD
:
3004 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_good
);
3005 case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE
:
3006 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_accept_renegotiate
);
3007 case SSL_CTRL_SESS_HIT
:
3008 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_hit
);
3009 case SSL_CTRL_SESS_CB_HIT
:
3010 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cb_hit
);
3011 case SSL_CTRL_SESS_MISSES
:
3012 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_miss
);
3013 case SSL_CTRL_SESS_TIMEOUTS
:
3014 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_timeout
);
3015 case SSL_CTRL_SESS_CACHE_FULL
:
3016 return ssl_tsan_load(ctx
, &ctx
->stats
.sess_cache_full
);
3018 return (ctx
->mode
|= larg
);
3019 case SSL_CTRL_CLEAR_MODE
:
3020 return (ctx
->mode
&= ~larg
);
3021 case SSL_CTRL_SET_MAX_SEND_FRAGMENT
:
3022 if (larg
< 512 || larg
> SSL3_RT_MAX_PLAIN_LENGTH
)
3024 ctx
->max_send_fragment
= larg
;
3025 if (ctx
->max_send_fragment
< ctx
->split_send_fragment
)
3026 ctx
->split_send_fragment
= ctx
->max_send_fragment
;
3028 case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT
:
3029 if ((size_t)larg
> ctx
->max_send_fragment
|| larg
== 0)
3031 ctx
->split_send_fragment
= larg
;
3033 case SSL_CTRL_SET_MAX_PIPELINES
:
3034 if (larg
< 1 || larg
> SSL_MAX_PIPELINES
)
3036 ctx
->max_pipelines
= larg
;
3038 case SSL_CTRL_CERT_FLAGS
:
3039 return (ctx
->cert
->cert_flags
|= larg
);
3040 case SSL_CTRL_CLEAR_CERT_FLAGS
:
3041 return (ctx
->cert
->cert_flags
&= ~larg
);
3042 case SSL_CTRL_SET_MIN_PROTO_VERSION
:
3043 return ssl_check_allowed_versions(larg
, ctx
->max_proto_version
)
3044 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3045 &ctx
->min_proto_version
);
3046 case SSL_CTRL_GET_MIN_PROTO_VERSION
:
3047 return ctx
->min_proto_version
;
3048 case SSL_CTRL_SET_MAX_PROTO_VERSION
:
3049 return ssl_check_allowed_versions(ctx
->min_proto_version
, larg
)
3050 && ssl_set_version_bound(ctx
->method
->version
, (int)larg
,
3051 &ctx
->max_proto_version
);
3052 case SSL_CTRL_GET_MAX_PROTO_VERSION
:
3053 return ctx
->max_proto_version
;
3055 return ctx
->method
->ssl_ctx_ctrl(ctx
, cmd
, larg
, parg
);
3059 long SSL_CTX_callback_ctrl(SSL_CTX
*ctx
, int cmd
, void (*fp
) (void))
3062 case SSL_CTRL_SET_MSG_CALLBACK
:
3063 ctx
->msg_callback
= (void (*)
3064 (int write_p
, int version
, int content_type
,
3065 const void *buf
, size_t len
, SSL
*ssl
,
3070 return ctx
->method
->ssl_ctx_callback_ctrl(ctx
, cmd
, fp
);
3074 int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
)
3083 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
3084 const SSL_CIPHER
*const *bp
)
3086 if ((*ap
)->id
> (*bp
)->id
)
3088 if ((*ap
)->id
< (*bp
)->id
)
3094 * return a STACK of the ciphers available for the SSL and in order of
3097 STACK_OF(SSL_CIPHER
) *SSL_get_ciphers(const SSL
*s
)
3099 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3102 if (sc
->cipher_list
!= NULL
) {
3103 return sc
->cipher_list
;
3104 } else if ((s
->ctx
!= NULL
) && (s
->ctx
->cipher_list
!= NULL
)) {
3105 return s
->ctx
->cipher_list
;
3111 STACK_OF(SSL_CIPHER
) *SSL_get_client_ciphers(const SSL
*s
)
3113 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3115 if (sc
== NULL
|| !sc
->server
)
3117 return sc
->peer_ciphers
;
3120 STACK_OF(SSL_CIPHER
) *SSL_get1_supported_ciphers(SSL
*s
)
3122 STACK_OF(SSL_CIPHER
) *sk
= NULL
, *ciphers
;
3124 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3129 ciphers
= SSL_get_ciphers(s
);
3132 if (!ssl_set_client_disabled(sc
))
3134 for (i
= 0; i
< sk_SSL_CIPHER_num(ciphers
); i
++) {
3135 const SSL_CIPHER
*c
= sk_SSL_CIPHER_value(ciphers
, i
);
3136 if (!ssl_cipher_disabled(sc
, c
, SSL_SECOP_CIPHER_SUPPORTED
, 0)) {
3138 sk
= sk_SSL_CIPHER_new_null();
3141 if (!sk_SSL_CIPHER_push(sk
, c
)) {
3142 sk_SSL_CIPHER_free(sk
);
3150 /** return a STACK of the ciphers available for the SSL and in order of
3152 STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL_CONNECTION
*s
)
3155 if (s
->cipher_list_by_id
!= NULL
)
3156 return s
->cipher_list_by_id
;
3157 else if (s
->ssl
.ctx
!= NULL
3158 && s
->ssl
.ctx
->cipher_list_by_id
!= NULL
)
3159 return s
->ssl
.ctx
->cipher_list_by_id
;
3164 /** The old interface to get the same thing as SSL_get_ciphers() */
3165 const char *SSL_get_cipher_list(const SSL
*s
, int n
)
3167 const SSL_CIPHER
*c
;
3168 STACK_OF(SSL_CIPHER
) *sk
;
3172 sk
= SSL_get_ciphers(s
);
3173 if ((sk
== NULL
) || (sk_SSL_CIPHER_num(sk
) <= n
))
3175 c
= sk_SSL_CIPHER_value(sk
, n
);
3181 /** return a STACK of the ciphers available for the SSL_CTX and in order of
3183 STACK_OF(SSL_CIPHER
) *SSL_CTX_get_ciphers(const SSL_CTX
*ctx
)
3186 return ctx
->cipher_list
;
3191 * Distinguish between ciphers controlled by set_ciphersuite() and
3192 * set_cipher_list() when counting.
3194 static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER
) *sk
)
3197 const SSL_CIPHER
*c
;
3201 for (i
= 0; i
< sk_SSL_CIPHER_num(sk
); ++i
) {
3202 c
= sk_SSL_CIPHER_value(sk
, i
);
3203 if (c
->min_tls
>= TLS1_3_VERSION
)
3210 /** specify the ciphers to be used by default by the SSL_CTX */
3211 int SSL_CTX_set_cipher_list(SSL_CTX
*ctx
, const char *str
)
3213 STACK_OF(SSL_CIPHER
) *sk
;
3215 sk
= ssl_create_cipher_list(ctx
, ctx
->tls13_ciphersuites
,
3216 &ctx
->cipher_list
, &ctx
->cipher_list_by_id
, str
,
3219 * ssl_create_cipher_list may return an empty stack if it was unable to
3220 * find a cipher matching the given rule string (for example if the rule
3221 * string specifies a cipher which has been disabled). This is not an
3222 * error as far as ssl_create_cipher_list is concerned, and hence
3223 * ctx->cipher_list and ctx->cipher_list_by_id has been updated.
3227 else if (cipher_list_tls12_num(sk
) == 0) {
3228 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3234 /** specify the ciphers to be used by the SSL */
3235 int SSL_set_cipher_list(SSL
*s
, const char *str
)
3237 STACK_OF(SSL_CIPHER
) *sk
;
3238 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3243 sk
= ssl_create_cipher_list(s
->ctx
, sc
->tls13_ciphersuites
,
3244 &sc
->cipher_list
, &sc
->cipher_list_by_id
, str
,
3246 /* see comment in SSL_CTX_set_cipher_list */
3249 else if (cipher_list_tls12_num(sk
) == 0) {
3250 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHER_MATCH
);
3256 char *SSL_get_shared_ciphers(const SSL
*s
, char *buf
, int size
)
3259 STACK_OF(SSL_CIPHER
) *clntsk
, *srvrsk
;
3260 const SSL_CIPHER
*c
;
3262 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3268 || sc
->peer_ciphers
== NULL
3273 clntsk
= sc
->peer_ciphers
;
3274 srvrsk
= SSL_get_ciphers(s
);
3275 if (clntsk
== NULL
|| srvrsk
== NULL
)
3278 if (sk_SSL_CIPHER_num(clntsk
) == 0 || sk_SSL_CIPHER_num(srvrsk
) == 0)
3281 for (i
= 0; i
< sk_SSL_CIPHER_num(clntsk
); i
++) {
3284 c
= sk_SSL_CIPHER_value(clntsk
, i
);
3285 if (sk_SSL_CIPHER_find(srvrsk
, c
) < 0)
3288 n
= strlen(c
->name
);
3305 * Return the requested servername (SNI) value. Note that the behaviour varies
3307 * - whether this is called by the client or the server,
3308 * - if we are before or during/after the handshake,
3309 * - if a resumption or normal handshake is being attempted/has occurred
3310 * - whether we have negotiated TLSv1.2 (or below) or TLSv1.3
3312 * Note that only the host_name type is defined (RFC 3546).
3314 const char *SSL_get_servername(const SSL
*s
, const int type
)
3316 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3323 * If we don't know if we are the client or the server yet then we assume
3326 server
= sc
->handshake_func
== NULL
? 0 : sc
->server
;
3328 if (type
!= TLSEXT_NAMETYPE_host_name
)
3334 * In TLSv1.3 on the server SNI is not associated with the session
3335 * but in TLSv1.2 or below it is.
3337 * Before the handshake:
3340 * During/after the handshake (TLSv1.2 or below resumption occurred):
3341 * - If a servername was accepted by the server in the original
3342 * handshake then it will return that servername, or NULL otherwise.
3344 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3345 * - The function will return the servername requested by the client in
3346 * this handshake or NULL if none was requested.
3348 if (sc
->hit
&& !SSL_CONNECTION_IS_TLS13(sc
))
3349 return sc
->session
->ext
.hostname
;
3354 * Before the handshake:
3355 * - If a servername has been set via a call to
3356 * SSL_set_tlsext_host_name() then it will return that servername
3357 * - If one has not been set, but a TLSv1.2 resumption is being
3358 * attempted and the session from the original handshake had a
3359 * servername accepted by the server then it will return that
3361 * - Otherwise it returns NULL
3363 * During/after the handshake (TLSv1.2 or below resumption occurred):
3364 * - If the session from the original handshake had a servername accepted
3365 * by the server then it will return that servername.
3366 * - Otherwise it returns the servername set via
3367 * SSL_set_tlsext_host_name() (or NULL if it was not called).
3369 * During/after the handshake (TLSv1.2 or below resumption did not occur):
3370 * - It will return the servername set via SSL_set_tlsext_host_name()
3371 * (or NULL if it was not called).
3373 if (SSL_in_before(s
)) {
3374 if (sc
->ext
.hostname
== NULL
3375 && sc
->session
!= NULL
3376 && sc
->session
->ssl_version
!= TLS1_3_VERSION
)
3377 return sc
->session
->ext
.hostname
;
3379 if (!SSL_CONNECTION_IS_TLS13(sc
) && sc
->hit
3380 && sc
->session
->ext
.hostname
!= NULL
)
3381 return sc
->session
->ext
.hostname
;
3385 return sc
->ext
.hostname
;
3388 int SSL_get_servername_type(const SSL
*s
)
3390 if (SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
) != NULL
)
3391 return TLSEXT_NAMETYPE_host_name
;
3396 * SSL_select_next_proto implements the standard protocol selection. It is
3397 * expected that this function is called from the callback set by
3398 * SSL_CTX_set_next_proto_select_cb. The protocol data is assumed to be a
3399 * vector of 8-bit, length prefixed byte strings. The length byte itself is
3400 * not included in the length. A byte string of length 0 is invalid. No byte
3401 * string may be truncated. The current, but experimental algorithm for
3402 * selecting the protocol is: 1) If the server doesn't support NPN then this
3403 * is indicated to the callback. In this case, the client application has to
3404 * abort the connection or have a default application level protocol. 2) If
3405 * the server supports NPN, but advertises an empty list then the client
3406 * selects the first protocol in its list, but indicates via the API that this
3407 * fallback case was enacted. 3) Otherwise, the client finds the first
3408 * protocol in the server's list that it supports and selects this protocol.
3409 * This is because it's assumed that the server has better information about
3410 * which protocol a client should use. 4) If the client doesn't support any
3411 * of the server's advertised protocols, then this is treated the same as
3412 * case 2. It returns either OPENSSL_NPN_NEGOTIATED if a common protocol was
3413 * found, or OPENSSL_NPN_NO_OVERLAP if the fallback case was reached.
3415 int SSL_select_next_proto(unsigned char **out
, unsigned char *outlen
,
3416 const unsigned char *server
,
3417 unsigned int server_len
,
3418 const unsigned char *client
, unsigned int client_len
)
3421 const unsigned char *result
;
3422 int status
= OPENSSL_NPN_UNSUPPORTED
;
3425 * For each protocol in server preference order, see if we support it.
3427 for (i
= 0; i
< server_len
;) {
3428 for (j
= 0; j
< client_len
;) {
3429 if (server
[i
] == client
[j
] &&
3430 memcmp(&server
[i
+ 1], &client
[j
+ 1], server
[i
]) == 0) {
3431 /* We found a match */
3432 result
= &server
[i
];
3433 status
= OPENSSL_NPN_NEGOTIATED
;
3443 /* There's no overlap between our protocols and the server's list. */
3445 status
= OPENSSL_NPN_NO_OVERLAP
;
3448 *out
= (unsigned char *)result
+ 1;
3449 *outlen
= result
[0];
3453 #ifndef OPENSSL_NO_NEXTPROTONEG
3455 * SSL_get0_next_proto_negotiated sets *data and *len to point to the
3456 * client's requested protocol for this connection and returns 0. If the
3457 * client didn't request any protocol, then *data is set to NULL. Note that
3458 * the client can request any protocol it chooses. The value returned from
3459 * this function need not be a member of the list of supported protocols
3460 * provided by the callback.
3462 void SSL_get0_next_proto_negotiated(const SSL
*s
, const unsigned char **data
,
3465 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
3468 /* We have no other way to indicate error */
3474 *data
= sc
->ext
.npn
;
3475 if (*data
== NULL
) {
3478 *len
= (unsigned int)sc
->ext
.npn_len
;
3483 * SSL_CTX_set_npn_advertised_cb sets a callback that is called when
3484 * a TLS server needs a list of supported protocols for Next Protocol
3485 * Negotiation. The returned list must be in wire format. The list is
3486 * returned by setting |out| to point to it and |outlen| to its length. This
3487 * memory will not be modified, but one should assume that the SSL* keeps a
3488 * reference to it. The callback should return SSL_TLSEXT_ERR_OK if it
3489 * wishes to advertise. Otherwise, no such extension will be included in the
3492 void SSL_CTX_set_npn_advertised_cb(SSL_CTX
*ctx
,
3493 SSL_CTX_npn_advertised_cb_func cb
,
3496 ctx
->ext
.npn_advertised_cb
= cb
;
3497 ctx
->ext
.npn_advertised_cb_arg
= arg
;
3501 * SSL_CTX_set_next_proto_select_cb sets a callback that is called when a
3502 * client needs to select a protocol from the server's provided list. |out|
3503 * must be set to point to the selected protocol (which may be within |in|).
3504 * The length of the protocol name must be written into |outlen|. The
3505 * server's advertised protocols are provided in |in| and |inlen|. The
3506 * callback can assume that |in| is syntactically valid. The client must
3507 * select a protocol. It is fatal to the connection if this callback returns
3508 * a value other than SSL_TLSEXT_ERR_OK.
3510 void SSL_CTX_set_npn_select_cb(SSL_CTX
*ctx
,
3511 SSL_CTX_npn_select_cb_func cb
,
3514 ctx
->ext
.npn_select_cb
= cb
;
3515 ctx
->ext
.npn_select_cb_arg
= arg
;
3519 static int alpn_value_ok(const unsigned char *protos
, unsigned int protos_len
)
3523 if (protos_len
< 2 || protos
== NULL
)
3526 for (idx
= 0; idx
< protos_len
; idx
+= protos
[idx
] + 1) {
3527 if (protos
[idx
] == 0)
3530 return idx
== protos_len
;
3533 * SSL_CTX_set_alpn_protos sets the ALPN protocol list on |ctx| to |protos|.
3534 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3535 * length-prefixed strings). Returns 0 on success.
3537 int SSL_CTX_set_alpn_protos(SSL_CTX
*ctx
, const unsigned char *protos
,
3538 unsigned int protos_len
)
3540 unsigned char *alpn
;
3542 if (protos_len
== 0 || protos
== NULL
) {
3543 OPENSSL_free(ctx
->ext
.alpn
);
3544 ctx
->ext
.alpn
= NULL
;
3545 ctx
->ext
.alpn_len
= 0;
3548 /* Not valid per RFC */
3549 if (!alpn_value_ok(protos
, protos_len
))
3552 alpn
= OPENSSL_memdup(protos
, protos_len
);
3555 OPENSSL_free(ctx
->ext
.alpn
);
3556 ctx
->ext
.alpn
= alpn
;
3557 ctx
->ext
.alpn_len
= protos_len
;
3563 * SSL_set_alpn_protos sets the ALPN protocol list on |ssl| to |protos|.
3564 * |protos| must be in wire-format (i.e. a series of non-empty, 8-bit
3565 * length-prefixed strings). Returns 0 on success.
3567 int SSL_set_alpn_protos(SSL
*ssl
, const unsigned char *protos
,
3568 unsigned int protos_len
)
3570 unsigned char *alpn
;
3571 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
3576 if (protos_len
== 0 || protos
== NULL
) {
3577 OPENSSL_free(sc
->ext
.alpn
);
3578 sc
->ext
.alpn
= NULL
;
3579 sc
->ext
.alpn_len
= 0;
3582 /* Not valid per RFC */
3583 if (!alpn_value_ok(protos
, protos_len
))
3586 alpn
= OPENSSL_memdup(protos
, protos_len
);
3589 OPENSSL_free(sc
->ext
.alpn
);
3590 sc
->ext
.alpn
= alpn
;
3591 sc
->ext
.alpn_len
= protos_len
;
3597 * SSL_CTX_set_alpn_select_cb sets a callback function on |ctx| that is
3598 * called during ClientHello processing in order to select an ALPN protocol
3599 * from the client's list of offered protocols.
3601 void SSL_CTX_set_alpn_select_cb(SSL_CTX
*ctx
,
3602 SSL_CTX_alpn_select_cb_func cb
,
3605 ctx
->ext
.alpn_select_cb
= cb
;
3606 ctx
->ext
.alpn_select_cb_arg
= arg
;
3610 * SSL_get0_alpn_selected gets the selected ALPN protocol (if any) from |ssl|.
3611 * On return it sets |*data| to point to |*len| bytes of protocol name
3612 * (not including the leading length-prefix byte). If the server didn't
3613 * respond with a negotiated protocol then |*len| will be zero.
3615 void SSL_get0_alpn_selected(const SSL
*ssl
, const unsigned char **data
,
3618 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
3621 /* We have no other way to indicate error */
3627 *data
= sc
->s3
.alpn_selected
;
3631 *len
= (unsigned int)sc
->s3
.alpn_selected_len
;
3634 int SSL_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
3635 const char *label
, size_t llen
,
3636 const unsigned char *context
, size_t contextlen
,
3639 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3644 if (sc
->session
== NULL
3645 || (sc
->version
< TLS1_VERSION
&& sc
->version
!= DTLS1_BAD_VER
))
3648 return s
->method
->ssl3_enc
->export_keying_material(sc
, out
, olen
, label
,
3650 contextlen
, use_context
);
3653 int SSL_export_keying_material_early(SSL
*s
, unsigned char *out
, size_t olen
,
3654 const char *label
, size_t llen
,
3655 const unsigned char *context
,
3658 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
3663 if (sc
->version
!= TLS1_3_VERSION
)
3666 return tls13_export_keying_material_early(sc
, out
, olen
, label
, llen
,
3667 context
, contextlen
);
3670 static unsigned long ssl_session_hash(const SSL_SESSION
*a
)
3672 const unsigned char *session_id
= a
->session_id
;
3674 unsigned char tmp_storage
[4];
3676 if (a
->session_id_length
< sizeof(tmp_storage
)) {
3677 memset(tmp_storage
, 0, sizeof(tmp_storage
));
3678 memcpy(tmp_storage
, a
->session_id
, a
->session_id_length
);
3679 session_id
= tmp_storage
;
3683 ((unsigned long)session_id
[0]) |
3684 ((unsigned long)session_id
[1] << 8L) |
3685 ((unsigned long)session_id
[2] << 16L) |
3686 ((unsigned long)session_id
[3] << 24L);
3691 * NB: If this function (or indeed the hash function which uses a sort of
3692 * coarser function than this one) is changed, ensure
3693 * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on
3694 * being able to construct an SSL_SESSION that will collide with any existing
3695 * session with a matching session ID.
3697 static int ssl_session_cmp(const SSL_SESSION
*a
, const SSL_SESSION
*b
)
3699 if (a
->ssl_version
!= b
->ssl_version
)
3701 if (a
->session_id_length
!= b
->session_id_length
)
3703 return memcmp(a
->session_id
, b
->session_id
, a
->session_id_length
);
3707 * These wrapper functions should remain rather than redeclaring
3708 * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
3709 * variable. The reason is that the functions aren't static, they're exposed
3713 SSL_CTX
*SSL_CTX_new_ex(OSSL_LIB_CTX
*libctx
, const char *propq
,
3714 const SSL_METHOD
*meth
)
3716 SSL_CTX
*ret
= NULL
;
3717 #ifndef OPENSSL_NO_COMP_ALG
3722 ERR_raise(ERR_LIB_SSL
, SSL_R_NULL_SSL_METHOD_PASSED
);
3726 if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS
, NULL
))
3729 if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
3730 ERR_raise(ERR_LIB_SSL
, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS
);
3733 ret
= OPENSSL_zalloc(sizeof(*ret
));
3737 /* Init the reference counting before any call to SSL_CTX_free */
3738 ret
->references
= 1;
3739 ret
->lock
= CRYPTO_THREAD_lock_new();
3740 if (ret
->lock
== NULL
) {
3741 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3745 #ifdef TSAN_REQUIRES_LOCKING
3746 ret
->tsan_lock
= CRYPTO_THREAD_lock_new();
3747 if (ret
->tsan_lock
== NULL
) {
3748 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3753 ret
->libctx
= libctx
;
3754 if (propq
!= NULL
) {
3755 ret
->propq
= OPENSSL_strdup(propq
);
3756 if (ret
->propq
== NULL
)
3761 ret
->min_proto_version
= 0;
3762 ret
->max_proto_version
= 0;
3763 ret
->mode
= SSL_MODE_AUTO_RETRY
;
3764 ret
->session_cache_mode
= SSL_SESS_CACHE_SERVER
;
3765 ret
->session_cache_size
= SSL_SESSION_CACHE_MAX_SIZE_DEFAULT
;
3766 /* We take the system default. */
3767 ret
->session_timeout
= meth
->get_timeout();
3768 ret
->max_cert_list
= SSL_MAX_CERT_LIST_DEFAULT
;
3769 ret
->verify_mode
= SSL_VERIFY_NONE
;
3770 if ((ret
->cert
= ssl_cert_new()) == NULL
) {
3771 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3775 ret
->sessions
= lh_SSL_SESSION_new(ssl_session_hash
, ssl_session_cmp
);
3776 if (ret
->sessions
== NULL
) {
3777 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3780 ret
->cert_store
= X509_STORE_new();
3781 if (ret
->cert_store
== NULL
) {
3782 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3785 #ifndef OPENSSL_NO_CT
3786 ret
->ctlog_store
= CTLOG_STORE_new_ex(libctx
, propq
);
3787 if (ret
->ctlog_store
== NULL
) {
3788 ERR_raise(ERR_LIB_SSL
, ERR_R_CT_LIB
);
3793 /* initialize cipher/digest methods table */
3794 if (!ssl_load_ciphers(ret
))
3796 /* initialise sig algs */
3797 if (!ssl_setup_sig_algs(ret
))
3800 if (!ssl_load_groups(ret
))
3803 if (!SSL_CTX_set_ciphersuites(ret
, OSSL_default_ciphersuites())) {
3804 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3808 if (!ssl_create_cipher_list(ret
,
3809 ret
->tls13_ciphersuites
,
3810 &ret
->cipher_list
, &ret
->cipher_list_by_id
,
3811 OSSL_default_cipher_list(), ret
->cert
)
3812 || sk_SSL_CIPHER_num(ret
->cipher_list
) <= 0) {
3813 ERR_raise(ERR_LIB_SSL
, SSL_R_LIBRARY_HAS_NO_CIPHERS
);
3817 ret
->param
= X509_VERIFY_PARAM_new();
3818 if (ret
->param
== NULL
) {
3819 ERR_raise(ERR_LIB_SSL
, ERR_R_X509_LIB
);
3824 * If these aren't available from the provider we'll get NULL returns.
3825 * That's fine but will cause errors later if SSLv3 is negotiated
3827 ret
->md5
= ssl_evp_md_fetch(libctx
, NID_md5
, propq
);
3828 ret
->sha1
= ssl_evp_md_fetch(libctx
, NID_sha1
, propq
);
3830 if ((ret
->ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3831 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3835 if ((ret
->client_ca_names
= sk_X509_NAME_new_null()) == NULL
) {
3836 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3840 if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, ret
, &ret
->ex_data
)) {
3841 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
3845 if ((ret
->ext
.secure
= OPENSSL_secure_zalloc(sizeof(*ret
->ext
.secure
))) == NULL
)
3848 /* No compression for DTLS */
3849 if (!(meth
->ssl3_enc
->enc_flags
& SSL_ENC_FLAG_DTLS
))
3850 ret
->comp_methods
= SSL_COMP_get_compression_methods();
3852 ret
->max_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3853 ret
->split_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
;
3855 /* Setup RFC5077 ticket keys */
3856 if ((RAND_bytes_ex(libctx
, ret
->ext
.tick_key_name
,
3857 sizeof(ret
->ext
.tick_key_name
), 0) <= 0)
3858 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_hmac_key
,
3859 sizeof(ret
->ext
.secure
->tick_hmac_key
), 0) <= 0)
3860 || (RAND_priv_bytes_ex(libctx
, ret
->ext
.secure
->tick_aes_key
,
3861 sizeof(ret
->ext
.secure
->tick_aes_key
), 0) <= 0))
3862 ret
->options
|= SSL_OP_NO_TICKET
;
3864 if (RAND_priv_bytes_ex(libctx
, ret
->ext
.cookie_hmac_key
,
3865 sizeof(ret
->ext
.cookie_hmac_key
), 0) <= 0) {
3866 ERR_raise(ERR_LIB_SSL
, ERR_R_RAND_LIB
);
3870 #ifndef OPENSSL_NO_SRP
3871 if (!ssl_ctx_srp_ctx_init_intern(ret
)) {
3872 ERR_raise(ERR_LIB_SSL
, ERR_R_SSL_LIB
);
3876 #ifndef OPENSSL_NO_ENGINE
3877 # ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
3878 # define eng_strx(x) #x
3879 # define eng_str(x) eng_strx(x)
3880 /* Use specific client engine automatically... ignore errors */
3883 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
3886 ENGINE_load_builtin_engines();
3887 eng
= ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO
));
3889 if (!eng
|| !SSL_CTX_set_client_cert_engine(ret
, eng
))
3895 #ifndef OPENSSL_NO_COMP_ALG
3897 * Set the default order: brotli, zlib, zstd
3898 * Including only those enabled algorithms
3900 memset(ret
->cert_comp_prefs
, 0, sizeof(ret
->cert_comp_prefs
));
3902 if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli
))
3903 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_brotli
;
3904 if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib
))
3905 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zlib
;
3906 if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd
))
3907 ret
->cert_comp_prefs
[i
++] = TLSEXT_comp_cert_zstd
;
3910 * Disable compression by default to prevent CRIME. Applications can
3911 * re-enable compression by configuring
3912 * SSL_CTX_clear_options(ctx, SSL_OP_NO_COMPRESSION);
3913 * or by using the SSL_CONF library. Similarly we also enable TLSv1.3
3914 * middlebox compatibility by default. This may be disabled by default in
3915 * a later OpenSSL version.
3917 ret
->options
|= SSL_OP_NO_COMPRESSION
| SSL_OP_ENABLE_MIDDLEBOX_COMPAT
;
3919 ret
->ext
.status_type
= TLSEXT_STATUSTYPE_nothing
;
3922 * We cannot usefully set a default max_early_data here (which gets
3923 * propagated in SSL_new(), for the following reason: setting the
3924 * SSL field causes tls_construct_stoc_early_data() to tell the
3925 * client that early data will be accepted when constructing a TLS 1.3
3926 * session ticket, and the client will accordingly send us early data
3927 * when using that ticket (if the client has early data to send).
3928 * However, in order for the early data to actually be consumed by
3929 * the application, the application must also have calls to
3930 * SSL_read_early_data(); otherwise we'll just skip past the early data
3931 * and ignore it. So, since the application must add calls to
3932 * SSL_read_early_data(), we also require them to add
3933 * calls to SSL_CTX_set_max_early_data() in order to use early data,
3934 * eliminating the bandwidth-wasting early data in the case described
3937 ret
->max_early_data
= 0;
3940 * Default recv_max_early_data is a fully loaded single record. Could be
3941 * split across multiple records in practice. We set this differently to
3942 * max_early_data so that, in the default case, we do not advertise any
3943 * support for early_data, but if a client were to send us some (e.g.
3944 * because of an old, stale ticket) then we will tolerate it and skip over
3947 ret
->recv_max_early_data
= SSL3_RT_MAX_PLAIN_LENGTH
;
3949 /* By default we send two session tickets automatically in TLSv1.3 */
3950 ret
->num_tickets
= 2;
3952 ssl_ctx_system_config(ret
);
3960 SSL_CTX
*SSL_CTX_new(const SSL_METHOD
*meth
)
3962 return SSL_CTX_new_ex(NULL
, NULL
, meth
);
3965 int SSL_CTX_up_ref(SSL_CTX
*ctx
)
3969 if (CRYPTO_UP_REF(&ctx
->references
, &i
, ctx
->lock
) <= 0)
3972 REF_PRINT_COUNT("SSL_CTX", ctx
);
3973 REF_ASSERT_ISNT(i
< 2);
3974 return ((i
> 1) ? 1 : 0);
3977 void SSL_CTX_free(SSL_CTX
*a
)
3985 CRYPTO_DOWN_REF(&a
->references
, &i
, a
->lock
);
3986 REF_PRINT_COUNT("SSL_CTX", a
);
3989 REF_ASSERT_ISNT(i
< 0);
3991 X509_VERIFY_PARAM_free(a
->param
);
3992 dane_ctx_final(&a
->dane
);
3995 * Free internal session cache. However: the remove_cb() may reference
3996 * the ex_data of SSL_CTX, thus the ex_data store can only be removed
3997 * after the sessions were flushed.
3998 * As the ex_data handling routines might also touch the session cache,
3999 * the most secure solution seems to be: empty (flush) the cache, then
4000 * free ex_data, then finally free the cache.
4001 * (See ticket [openssl.org #212].)
4003 if (a
->sessions
!= NULL
)
4004 SSL_CTX_flush_sessions(a
, 0);
4006 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX
, a
, &a
->ex_data
);
4007 lh_SSL_SESSION_free(a
->sessions
);
4008 X509_STORE_free(a
->cert_store
);
4009 #ifndef OPENSSL_NO_CT
4010 CTLOG_STORE_free(a
->ctlog_store
);
4012 sk_SSL_CIPHER_free(a
->cipher_list
);
4013 sk_SSL_CIPHER_free(a
->cipher_list_by_id
);
4014 sk_SSL_CIPHER_free(a
->tls13_ciphersuites
);
4015 ssl_cert_free(a
->cert
);
4016 sk_X509_NAME_pop_free(a
->ca_names
, X509_NAME_free
);
4017 sk_X509_NAME_pop_free(a
->client_ca_names
, X509_NAME_free
);
4018 OSSL_STACK_OF_X509_free(a
->extra_certs
);
4019 a
->comp_methods
= NULL
;
4020 #ifndef OPENSSL_NO_SRTP
4021 sk_SRTP_PROTECTION_PROFILE_free(a
->srtp_profiles
);
4023 #ifndef OPENSSL_NO_SRP
4024 ssl_ctx_srp_ctx_free_intern(a
);
4026 #ifndef OPENSSL_NO_ENGINE
4027 tls_engine_finish(a
->client_cert_engine
);
4030 OPENSSL_free(a
->ext
.ecpointformats
);
4031 OPENSSL_free(a
->ext
.supportedgroups
);
4032 OPENSSL_free(a
->ext
.supported_groups_default
);
4033 OPENSSL_free(a
->ext
.alpn
);
4034 OPENSSL_secure_free(a
->ext
.secure
);
4036 ssl_evp_md_free(a
->md5
);
4037 ssl_evp_md_free(a
->sha1
);
4039 for (j
= 0; j
< SSL_ENC_NUM_IDX
; j
++)
4040 ssl_evp_cipher_free(a
->ssl_cipher_methods
[j
]);
4041 for (j
= 0; j
< SSL_MD_NUM_IDX
; j
++)
4042 ssl_evp_md_free(a
->ssl_digest_methods
[j
]);
4043 for (j
= 0; j
< a
->group_list_len
; j
++) {
4044 OPENSSL_free(a
->group_list
[j
].tlsname
);
4045 OPENSSL_free(a
->group_list
[j
].realname
);
4046 OPENSSL_free(a
->group_list
[j
].algorithm
);
4048 OPENSSL_free(a
->group_list
);
4050 OPENSSL_free(a
->sigalg_lookup_cache
);
4052 CRYPTO_THREAD_lock_free(a
->lock
);
4053 #ifdef TSAN_REQUIRES_LOCKING
4054 CRYPTO_THREAD_lock_free(a
->tsan_lock
);
4057 OPENSSL_free(a
->propq
);
4062 void SSL_CTX_set_default_passwd_cb(SSL_CTX
*ctx
, pem_password_cb
*cb
)
4064 ctx
->default_passwd_callback
= cb
;
4067 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX
*ctx
, void *u
)
4069 ctx
->default_passwd_callback_userdata
= u
;
4072 pem_password_cb
*SSL_CTX_get_default_passwd_cb(SSL_CTX
*ctx
)
4074 return ctx
->default_passwd_callback
;
4077 void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX
*ctx
)
4079 return ctx
->default_passwd_callback_userdata
;
4082 void SSL_set_default_passwd_cb(SSL
*s
, pem_password_cb
*cb
)
4084 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4089 sc
->default_passwd_callback
= cb
;
4092 void SSL_set_default_passwd_cb_userdata(SSL
*s
, void *u
)
4094 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4099 sc
->default_passwd_callback_userdata
= u
;
4102 pem_password_cb
*SSL_get_default_passwd_cb(SSL
*s
)
4104 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4109 return sc
->default_passwd_callback
;
4112 void *SSL_get_default_passwd_cb_userdata(SSL
*s
)
4114 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4119 return sc
->default_passwd_callback_userdata
;
4122 void SSL_CTX_set_cert_verify_callback(SSL_CTX
*ctx
,
4123 int (*cb
) (X509_STORE_CTX
*, void *),
4126 ctx
->app_verify_callback
= cb
;
4127 ctx
->app_verify_arg
= arg
;
4130 void SSL_CTX_set_verify(SSL_CTX
*ctx
, int mode
,
4131 int (*cb
) (int, X509_STORE_CTX
*))
4133 ctx
->verify_mode
= mode
;
4134 ctx
->default_verify_callback
= cb
;
4137 void SSL_CTX_set_verify_depth(SSL_CTX
*ctx
, int depth
)
4139 X509_VERIFY_PARAM_set_depth(ctx
->param
, depth
);
4142 void SSL_CTX_set_cert_cb(SSL_CTX
*c
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4144 ssl_cert_set_cert_cb(c
->cert
, cb
, arg
);
4147 void SSL_set_cert_cb(SSL
*s
, int (*cb
) (SSL
*ssl
, void *arg
), void *arg
)
4149 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4154 ssl_cert_set_cert_cb(sc
->cert
, cb
, arg
);
4157 void ssl_set_masks(SSL_CONNECTION
*s
)
4160 uint32_t *pvalid
= s
->s3
.tmp
.valid_flags
;
4161 int rsa_enc
, rsa_sign
, dh_tmp
, dsa_sign
;
4162 unsigned long mask_k
, mask_a
;
4163 int have_ecc_cert
, ecdsa_ok
;
4168 dh_tmp
= (c
->dh_tmp
!= NULL
4169 || c
->dh_tmp_cb
!= NULL
4172 rsa_enc
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4173 rsa_sign
= pvalid
[SSL_PKEY_RSA
] & CERT_PKEY_VALID
;
4174 dsa_sign
= pvalid
[SSL_PKEY_DSA_SIGN
] & CERT_PKEY_VALID
;
4175 have_ecc_cert
= pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_VALID
;
4179 OSSL_TRACE4(TLS_CIPHER
, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n",
4180 dh_tmp
, rsa_enc
, rsa_sign
, dsa_sign
);
4182 #ifndef OPENSSL_NO_GOST
4183 if (ssl_has_cert(s
, SSL_PKEY_GOST12_512
)) {
4184 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4185 mask_a
|= SSL_aGOST12
;
4187 if (ssl_has_cert(s
, SSL_PKEY_GOST12_256
)) {
4188 mask_k
|= SSL_kGOST
| SSL_kGOST18
;
4189 mask_a
|= SSL_aGOST12
;
4191 if (ssl_has_cert(s
, SSL_PKEY_GOST01
)) {
4192 mask_k
|= SSL_kGOST
;
4193 mask_a
|= SSL_aGOST01
;
4204 * If we only have an RSA-PSS certificate allow RSA authentication
4205 * if TLS 1.2 and peer supports it.
4208 if (rsa_enc
|| rsa_sign
|| (ssl_has_cert(s
, SSL_PKEY_RSA_PSS_SIGN
)
4209 && pvalid
[SSL_PKEY_RSA_PSS_SIGN
] & CERT_PKEY_EXPLICIT_SIGN
4210 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
))
4217 mask_a
|= SSL_aNULL
;
4220 * An ECC certificate may be usable for ECDH and/or ECDSA cipher suites
4221 * depending on the key usage extension.
4223 if (have_ecc_cert
) {
4225 ex_kusage
= X509_get_key_usage(c
->pkeys
[SSL_PKEY_ECC
].x509
);
4226 ecdsa_ok
= ex_kusage
& X509v3_KU_DIGITAL_SIGNATURE
;
4227 if (!(pvalid
[SSL_PKEY_ECC
] & CERT_PKEY_SIGN
))
4230 mask_a
|= SSL_aECDSA
;
4232 /* Allow Ed25519 for TLS 1.2 if peer supports it */
4233 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED25519
)
4234 && pvalid
[SSL_PKEY_ED25519
] & CERT_PKEY_EXPLICIT_SIGN
4235 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4236 mask_a
|= SSL_aECDSA
;
4238 /* Allow Ed448 for TLS 1.2 if peer supports it */
4239 if (!(mask_a
& SSL_aECDSA
) && ssl_has_cert(s
, SSL_PKEY_ED448
)
4240 && pvalid
[SSL_PKEY_ED448
] & CERT_PKEY_EXPLICIT_SIGN
4241 && TLS1_get_version(&s
->ssl
) == TLS1_2_VERSION
)
4242 mask_a
|= SSL_aECDSA
;
4244 mask_k
|= SSL_kECDHE
;
4246 #ifndef OPENSSL_NO_PSK
4249 if (mask_k
& SSL_kRSA
)
4250 mask_k
|= SSL_kRSAPSK
;
4251 if (mask_k
& SSL_kDHE
)
4252 mask_k
|= SSL_kDHEPSK
;
4253 if (mask_k
& SSL_kECDHE
)
4254 mask_k
|= SSL_kECDHEPSK
;
4257 s
->s3
.tmp
.mask_k
= mask_k
;
4258 s
->s3
.tmp
.mask_a
= mask_a
;
4261 int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL_CONNECTION
*s
)
4263 if (s
->s3
.tmp
.new_cipher
->algorithm_auth
& SSL_aECDSA
) {
4264 /* key usage, if present, must allow signing */
4265 if (!(X509_get_key_usage(x
) & X509v3_KU_DIGITAL_SIGNATURE
)) {
4266 ERR_raise(ERR_LIB_SSL
, SSL_R_ECC_CERT_NOT_FOR_SIGNING
);
4270 return 1; /* all checks are ok */
4273 int ssl_get_server_cert_serverinfo(SSL_CONNECTION
*s
,
4274 const unsigned char **serverinfo
,
4275 size_t *serverinfo_length
)
4277 CERT_PKEY
*cpk
= s
->s3
.tmp
.cert
;
4278 *serverinfo_length
= 0;
4280 if (cpk
== NULL
|| cpk
->serverinfo
== NULL
)
4283 *serverinfo
= cpk
->serverinfo
;
4284 *serverinfo_length
= cpk
->serverinfo_length
;
4288 void ssl_update_cache(SSL_CONNECTION
*s
, int mode
)
4293 * If the session_id_length is 0, we are not supposed to cache it, and it
4294 * would be rather hard to do anyway :-)
4296 if (s
->session
->session_id_length
== 0)
4300 * If sid_ctx_length is 0 there is no specific application context
4301 * associated with this session, so when we try to resume it and
4302 * SSL_VERIFY_PEER is requested to verify the client identity, we have no
4303 * indication that this is actually a session for the proper application
4304 * context, and the *handshake* will fail, not just the resumption attempt.
4305 * Do not cache (on the server) these sessions that are not resumable
4306 * (clients can set SSL_VERIFY_PEER without needing a sid_ctx set).
4308 if (s
->server
&& s
->session
->sid_ctx_length
== 0
4309 && (s
->verify_mode
& SSL_VERIFY_PEER
) != 0)
4312 i
= s
->session_ctx
->session_cache_mode
;
4314 && (!s
->hit
|| SSL_CONNECTION_IS_TLS13(s
))) {
4316 * Add the session to the internal cache. In server side TLSv1.3 we
4317 * normally don't do this because by default it's a full stateless ticket
4318 * with only a dummy session id so there is no reason to cache it,
4320 * - we are doing early_data, in which case we cache so that we can
4322 * - the application has set a remove_session_cb so needs to know about
4323 * session timeout events
4324 * - SSL_OP_NO_TICKET is set in which case it is a stateful ticket
4326 if ((i
& SSL_SESS_CACHE_NO_INTERNAL_STORE
) == 0
4327 && (!SSL_CONNECTION_IS_TLS13(s
)
4329 || (s
->max_early_data
> 0
4330 && (s
->options
& SSL_OP_NO_ANTI_REPLAY
) == 0)
4331 || s
->session_ctx
->remove_session_cb
!= NULL
4332 || (s
->options
& SSL_OP_NO_TICKET
) != 0))
4333 SSL_CTX_add_session(s
->session_ctx
, s
->session
);
4336 * Add the session to the external cache. We do this even in server side
4337 * TLSv1.3 without early data because some applications just want to
4338 * know about the creation of a session and aren't doing a full cache.
4340 if (s
->session_ctx
->new_session_cb
!= NULL
) {
4341 SSL_SESSION_up_ref(s
->session
);
4342 if (!s
->session_ctx
->new_session_cb(SSL_CONNECTION_GET_SSL(s
),
4344 SSL_SESSION_free(s
->session
);
4348 /* auto flush every 255 connections */
4349 if ((!(i
& SSL_SESS_CACHE_NO_AUTO_CLEAR
)) && ((i
& mode
) == mode
)) {
4350 TSAN_QUALIFIER
int *stat
;
4352 if (mode
& SSL_SESS_CACHE_CLIENT
)
4353 stat
= &s
->session_ctx
->stats
.sess_connect_good
;
4355 stat
= &s
->session_ctx
->stats
.sess_accept_good
;
4356 if ((ssl_tsan_load(s
->session_ctx
, stat
) & 0xff) == 0xff)
4357 SSL_CTX_flush_sessions(s
->session_ctx
, (unsigned long)time(NULL
));
4361 const SSL_METHOD
*SSL_CTX_get_ssl_method(const SSL_CTX
*ctx
)
4366 const SSL_METHOD
*SSL_get_ssl_method(const SSL
*s
)
4371 int SSL_set_ssl_method(SSL
*s
, const SSL_METHOD
*meth
)
4374 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4376 /* TODO(QUIC): Do we want this for QUIC? */
4378 || (s
->type
!= SSL_TYPE_SSL_CONNECTION
&& s
->method
!= meth
))
4381 if (s
->method
!= meth
) {
4382 const SSL_METHOD
*sm
= s
->method
;
4383 int (*hf
) (SSL
*) = sc
->handshake_func
;
4385 if (sm
->version
== meth
->version
)
4390 ret
= s
->method
->ssl_init(s
);
4393 if (hf
== sm
->ssl_connect
)
4394 sc
->handshake_func
= meth
->ssl_connect
;
4395 else if (hf
== sm
->ssl_accept
)
4396 sc
->handshake_func
= meth
->ssl_accept
;
4401 int SSL_get_error(const SSL
*s
, int i
)
4406 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4407 #ifndef OPENSSL_NO_QUIC
4408 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
4412 return SSL_ERROR_NONE
;
4415 return SSL_ERROR_SSL
;
4418 * Make things return SSL_ERROR_SYSCALL when doing SSL_do_handshake etc,
4419 * where we do encode the error
4421 if ((l
= ERR_peek_error()) != 0) {
4422 if (ERR_GET_LIB(l
) == ERR_LIB_SYS
)
4423 return SSL_ERROR_SYSCALL
;
4425 return SSL_ERROR_SSL
;
4428 #ifndef OPENSSL_NO_QUIC
4430 reason
= ossl_quic_get_error(qc
, i
);
4431 if (reason
!= SSL_ERROR_NONE
)
4436 #ifndef OPENSSL_NO_QUIC
4440 if (SSL_want_read(s
)) {
4441 bio
= SSL_get_rbio(s
);
4442 if (BIO_should_read(bio
))
4443 return SSL_ERROR_WANT_READ
;
4444 else if (BIO_should_write(bio
))
4446 * This one doesn't make too much sense ... We never try to
4447 * write to the rbio, and an application program where rbio and
4448 * wbio are separate couldn't even know what it should wait for.
4449 * However if we ever set s->rwstate incorrectly (so that we
4450 * have SSL_want_read(s) instead of SSL_want_write(s)) and rbio
4451 * and wbio *are* the same, this test works around that bug; so
4452 * it might be safer to keep it.
4454 return SSL_ERROR_WANT_WRITE
;
4455 else if (BIO_should_io_special(bio
)) {
4456 reason
= BIO_get_retry_reason(bio
);
4457 if (reason
== BIO_RR_CONNECT
)
4458 return SSL_ERROR_WANT_CONNECT
;
4459 else if (reason
== BIO_RR_ACCEPT
)
4460 return SSL_ERROR_WANT_ACCEPT
;
4462 return SSL_ERROR_SYSCALL
; /* unknown */
4466 if (SSL_want_write(s
)) {
4468 * Access wbio directly - in order to use the buffered bio if
4472 if (BIO_should_write(bio
))
4473 return SSL_ERROR_WANT_WRITE
;
4474 else if (BIO_should_read(bio
))
4476 * See above (SSL_want_read(s) with BIO_should_write(bio))
4478 return SSL_ERROR_WANT_READ
;
4479 else if (BIO_should_io_special(bio
)) {
4480 reason
= BIO_get_retry_reason(bio
);
4481 if (reason
== BIO_RR_CONNECT
)
4482 return SSL_ERROR_WANT_CONNECT
;
4483 else if (reason
== BIO_RR_ACCEPT
)
4484 return SSL_ERROR_WANT_ACCEPT
;
4486 return SSL_ERROR_SYSCALL
;
4491 if (SSL_want_x509_lookup(s
))
4492 return SSL_ERROR_WANT_X509_LOOKUP
;
4493 if (SSL_want_retry_verify(s
))
4494 return SSL_ERROR_WANT_RETRY_VERIFY
;
4495 if (SSL_want_async(s
))
4496 return SSL_ERROR_WANT_ASYNC
;
4497 if (SSL_want_async_job(s
))
4498 return SSL_ERROR_WANT_ASYNC_JOB
;
4499 if (SSL_want_client_hello_cb(s
))
4500 return SSL_ERROR_WANT_CLIENT_HELLO_CB
;
4502 if ((sc
->shutdown
& SSL_RECEIVED_SHUTDOWN
) &&
4503 (sc
->s3
.warn_alert
== SSL_AD_CLOSE_NOTIFY
))
4504 return SSL_ERROR_ZERO_RETURN
;
4506 return SSL_ERROR_SYSCALL
;
4509 static int ssl_do_handshake_intern(void *vargs
)
4511 struct ssl_async_args
*args
= (struct ssl_async_args
*)vargs
;
4513 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4518 return sc
->handshake_func(s
);
4521 int SSL_do_handshake(SSL
*s
)
4524 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4525 #ifndef OPENSSL_NO_QUIC
4526 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4529 return ossl_quic_do_handshake(qc
);
4532 if (sc
->handshake_func
== NULL
) {
4533 ERR_raise(ERR_LIB_SSL
, SSL_R_CONNECTION_TYPE_NOT_SET
);
4537 ossl_statem_check_finish_init(sc
, -1);
4539 s
->method
->ssl_renegotiate_check(s
, 0);
4541 if (SSL_in_init(s
) || SSL_in_before(s
)) {
4542 if ((sc
->mode
& SSL_MODE_ASYNC
) && ASYNC_get_current_job() == NULL
) {
4543 struct ssl_async_args args
;
4545 memset(&args
, 0, sizeof(args
));
4548 ret
= ssl_start_async_job(s
, &args
, ssl_do_handshake_intern
);
4550 ret
= sc
->handshake_func(s
);
4556 void SSL_set_accept_state(SSL
*s
)
4558 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4559 #ifndef OPENSSL_NO_QUIC
4560 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4563 ossl_quic_set_accept_state(qc
);
4570 ossl_statem_clear(sc
);
4571 sc
->handshake_func
= s
->method
->ssl_accept
;
4572 /* Ignore return value. Its a void public API function */
4573 clear_record_layer(sc
);
4576 void SSL_set_connect_state(SSL
*s
)
4578 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4579 #ifndef OPENSSL_NO_QUIC
4580 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
4583 ossl_quic_set_connect_state(qc
);
4590 ossl_statem_clear(sc
);
4591 sc
->handshake_func
= s
->method
->ssl_connect
;
4592 /* Ignore return value. Its a void public API function */
4593 clear_record_layer(sc
);
4596 int ssl_undefined_function(SSL
*s
)
4598 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4602 int ssl_undefined_void_function(void)
4604 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4608 int ssl_undefined_const_function(const SSL
*s
)
4613 const SSL_METHOD
*ssl_bad_method(int ver
)
4615 ERR_raise(ERR_LIB_SSL
, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED
);
4619 const char *ssl_protocol_to_string(int version
)
4623 case TLS1_3_VERSION
:
4626 case TLS1_2_VERSION
:
4629 case TLS1_1_VERSION
:
4644 case DTLS1_2_VERSION
:
4652 const char *SSL_get_version(const SSL
*s
)
4654 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4655 #ifndef OPENSSL_NO_QUIC
4656 const QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_CONST_SSL(s
);
4665 return ssl_protocol_to_string(sc
->version
);
4668 static int dup_ca_names(STACK_OF(X509_NAME
) **dst
, STACK_OF(X509_NAME
) *src
)
4670 STACK_OF(X509_NAME
) *sk
;
4679 if ((sk
= sk_X509_NAME_new_null()) == NULL
)
4681 for (i
= 0; i
< sk_X509_NAME_num(src
); i
++) {
4682 xn
= X509_NAME_dup(sk_X509_NAME_value(src
, i
));
4684 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4687 if (sk_X509_NAME_insert(sk
, xn
, i
) == 0) {
4689 sk_X509_NAME_pop_free(sk
, X509_NAME_free
);
4698 SSL
*SSL_dup(SSL
*s
)
4702 /* TODO(QUIC): Add a SSL_METHOD function for duplication */
4703 SSL_CONNECTION
*retsc
;
4704 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4709 /* If we're not quiescent, just up_ref! */
4710 if (!SSL_in_init(s
) || !SSL_in_before(s
)) {
4711 CRYPTO_UP_REF(&s
->references
, &i
, s
->lock
);
4716 * Otherwise, copy configuration state, and session if set.
4718 if ((ret
= SSL_new(SSL_get_SSL_CTX(s
))) == NULL
)
4720 if ((retsc
= SSL_CONNECTION_FROM_SSL_ONLY(ret
)) == NULL
)
4723 if (sc
->session
!= NULL
) {
4725 * Arranges to share the same session via up_ref. This "copies"
4726 * session-id, SSL_METHOD, sid_ctx, and 'cert'
4728 if (!SSL_copy_session_id(ret
, s
))
4732 * No session has been established yet, so we have to expect that
4733 * s->cert or ret->cert will be changed later -- they should not both
4734 * point to the same object, and thus we can't use
4735 * SSL_copy_session_id.
4737 if (!SSL_set_ssl_method(ret
, s
->method
))
4740 if (sc
->cert
!= NULL
) {
4741 ssl_cert_free(retsc
->cert
);
4742 retsc
->cert
= ssl_cert_dup(sc
->cert
);
4743 if (retsc
->cert
== NULL
)
4747 if (!SSL_set_session_id_context(ret
, sc
->sid_ctx
,
4748 (int)sc
->sid_ctx_length
))
4752 if (!ssl_dane_dup(retsc
, sc
))
4754 retsc
->version
= sc
->version
;
4755 retsc
->options
= sc
->options
;
4756 retsc
->min_proto_version
= sc
->min_proto_version
;
4757 retsc
->max_proto_version
= sc
->max_proto_version
;
4758 retsc
->mode
= sc
->mode
;
4759 SSL_set_max_cert_list(ret
, SSL_get_max_cert_list(s
));
4760 SSL_set_read_ahead(ret
, SSL_get_read_ahead(s
));
4761 retsc
->msg_callback
= sc
->msg_callback
;
4762 retsc
->msg_callback_arg
= sc
->msg_callback_arg
;
4763 SSL_set_verify(ret
, SSL_get_verify_mode(s
), SSL_get_verify_callback(s
));
4764 SSL_set_verify_depth(ret
, SSL_get_verify_depth(s
));
4765 retsc
->generate_session_id
= sc
->generate_session_id
;
4767 SSL_set_info_callback(ret
, SSL_get_info_callback(s
));
4769 /* copy app data, a little dangerous perhaps */
4770 if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL
, &ret
->ex_data
, &s
->ex_data
))
4773 retsc
->server
= sc
->server
;
4774 if (sc
->handshake_func
) {
4776 SSL_set_accept_state(ret
);
4778 SSL_set_connect_state(ret
);
4780 retsc
->shutdown
= sc
->shutdown
;
4781 retsc
->hit
= sc
->hit
;
4783 retsc
->default_passwd_callback
= sc
->default_passwd_callback
;
4784 retsc
->default_passwd_callback_userdata
= sc
->default_passwd_callback_userdata
;
4786 X509_VERIFY_PARAM_inherit(retsc
->param
, sc
->param
);
4788 /* dup the cipher_list and cipher_list_by_id stacks */
4789 if (sc
->cipher_list
!= NULL
) {
4790 if ((retsc
->cipher_list
= sk_SSL_CIPHER_dup(sc
->cipher_list
)) == NULL
)
4793 if (sc
->cipher_list_by_id
!= NULL
)
4794 if ((retsc
->cipher_list_by_id
= sk_SSL_CIPHER_dup(sc
->cipher_list_by_id
))
4798 /* Dup the client_CA list */
4799 if (!dup_ca_names(&retsc
->ca_names
, sc
->ca_names
)
4800 || !dup_ca_names(&retsc
->client_ca_names
, sc
->client_ca_names
))
4810 X509
*SSL_get_certificate(const SSL
*s
)
4812 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
4817 if (sc
->cert
!= NULL
)
4818 return sc
->cert
->key
->x509
;
4823 EVP_PKEY
*SSL_get_privatekey(const SSL
*s
)
4825 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4830 if (sc
->cert
!= NULL
)
4831 return sc
->cert
->key
->privatekey
;
4836 X509
*SSL_CTX_get0_certificate(const SSL_CTX
*ctx
)
4838 if (ctx
->cert
!= NULL
)
4839 return ctx
->cert
->key
->x509
;
4844 EVP_PKEY
*SSL_CTX_get0_privatekey(const SSL_CTX
*ctx
)
4846 if (ctx
->cert
!= NULL
)
4847 return ctx
->cert
->key
->privatekey
;
4852 const SSL_CIPHER
*SSL_get_current_cipher(const SSL
*s
)
4854 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4859 if ((sc
->session
!= NULL
) && (sc
->session
->cipher
!= NULL
))
4860 return sc
->session
->cipher
;
4864 const SSL_CIPHER
*SSL_get_pending_cipher(const SSL
*s
)
4866 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4871 return sc
->s3
.tmp
.new_cipher
;
4874 const COMP_METHOD
*SSL_get_current_compression(const SSL
*s
)
4876 #ifndef OPENSSL_NO_COMP
4877 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4882 return sc
->rlayer
.wrlmethod
->get_compression(sc
->rlayer
.wrl
);
4888 const COMP_METHOD
*SSL_get_current_expansion(const SSL
*s
)
4890 #ifndef OPENSSL_NO_COMP
4891 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4896 return sc
->rlayer
.rrlmethod
->get_compression(sc
->rlayer
.rrl
);
4902 int ssl_init_wbio_buffer(SSL_CONNECTION
*s
)
4906 if (s
->bbio
!= NULL
) {
4907 /* Already buffered. */
4911 bbio
= BIO_new(BIO_f_buffer());
4912 if (bbio
== NULL
|| BIO_set_read_buffer_size(bbio
, 1) <= 0) {
4914 ERR_raise(ERR_LIB_SSL
, ERR_R_BUF_LIB
);
4918 s
->wbio
= BIO_push(bbio
, s
->wbio
);
4920 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
4925 int ssl_free_wbio_buffer(SSL_CONNECTION
*s
)
4927 /* callers ensure s is never null */
4928 if (s
->bbio
== NULL
)
4931 s
->wbio
= BIO_pop(s
->wbio
);
4932 s
->rlayer
.wrlmethod
->set1_bio(s
->rlayer
.wrl
, s
->wbio
);
4940 void SSL_CTX_set_quiet_shutdown(SSL_CTX
*ctx
, int mode
)
4942 ctx
->quiet_shutdown
= mode
;
4945 int SSL_CTX_get_quiet_shutdown(const SSL_CTX
*ctx
)
4947 return ctx
->quiet_shutdown
;
4950 void SSL_set_quiet_shutdown(SSL
*s
, int mode
)
4952 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4954 /* TODO(QUIC): Do we want this for QUIC? */
4958 sc
->quiet_shutdown
= mode
;
4961 int SSL_get_quiet_shutdown(const SSL
*s
)
4963 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4965 /* TODO(QUIC): Do we want this for QUIC? */
4969 return sc
->quiet_shutdown
;
4972 void SSL_set_shutdown(SSL
*s
, int mode
)
4974 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
4976 /* TODO(QUIC): Do we want this for QUIC? */
4980 sc
->shutdown
= mode
;
4983 int SSL_get_shutdown(const SSL
*s
)
4985 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL_ONLY(s
);
4987 /* TODO(QUIC): Do we want this for QUIC? */
4991 return sc
->shutdown
;
4994 int SSL_version(const SSL
*s
)
4996 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
4998 /* TODO(QUIC): Do we want to report QUIC version this way instead? */
5005 int SSL_client_version(const SSL
*s
)
5007 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5009 /* TODO(QUIC): Do we want to report QUIC version this way instead? */
5013 return sc
->client_version
;
5016 SSL_CTX
*SSL_get_SSL_CTX(const SSL
*ssl
)
5021 SSL_CTX
*SSL_set_SSL_CTX(SSL
*ssl
, SSL_CTX
*ctx
)
5024 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL_ONLY(ssl
);
5026 /* TODO(QUIC): Do we need this for QUIC support? */
5030 if (ssl
->ctx
== ctx
)
5033 ctx
= sc
->session_ctx
;
5034 new_cert
= ssl_cert_dup(ctx
->cert
);
5035 if (new_cert
== NULL
) {
5039 if (!custom_exts_copy_flags(&new_cert
->custext
, &sc
->cert
->custext
)) {
5040 ssl_cert_free(new_cert
);
5044 ssl_cert_free(sc
->cert
);
5045 sc
->cert
= new_cert
;
5048 * Program invariant: |sid_ctx| has fixed size (SSL_MAX_SID_CTX_LENGTH),
5049 * so setter APIs must prevent invalid lengths from entering the system.
5051 if (!ossl_assert(sc
->sid_ctx_length
<= sizeof(sc
->sid_ctx
)))
5055 * If the session ID context matches that of the parent SSL_CTX,
5056 * inherit it from the new SSL_CTX as well. If however the context does
5057 * not match (i.e., it was set per-ssl with SSL_set_session_id_context),
5058 * leave it unchanged.
5060 if ((ssl
->ctx
!= NULL
) &&
5061 (sc
->sid_ctx_length
== ssl
->ctx
->sid_ctx_length
) &&
5062 (memcmp(sc
->sid_ctx
, ssl
->ctx
->sid_ctx
, sc
->sid_ctx_length
) == 0)) {
5063 sc
->sid_ctx_length
= ctx
->sid_ctx_length
;
5064 memcpy(&sc
->sid_ctx
, &ctx
->sid_ctx
, sizeof(sc
->sid_ctx
));
5067 SSL_CTX_up_ref(ctx
);
5068 SSL_CTX_free(ssl
->ctx
); /* decrement reference count */
5074 int SSL_CTX_set_default_verify_paths(SSL_CTX
*ctx
)
5076 return X509_STORE_set_default_paths_ex(ctx
->cert_store
, ctx
->libctx
,
5080 int SSL_CTX_set_default_verify_dir(SSL_CTX
*ctx
)
5082 X509_LOOKUP
*lookup
;
5084 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_hash_dir());
5088 /* We ignore errors, in case the directory doesn't exist */
5091 X509_LOOKUP_add_dir(lookup
, NULL
, X509_FILETYPE_DEFAULT
);
5098 int SSL_CTX_set_default_verify_file(SSL_CTX
*ctx
)
5100 X509_LOOKUP
*lookup
;
5102 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_file());
5106 /* We ignore errors, in case the file doesn't exist */
5109 X509_LOOKUP_load_file_ex(lookup
, NULL
, X509_FILETYPE_DEFAULT
, ctx
->libctx
,
5117 int SSL_CTX_set_default_verify_store(SSL_CTX
*ctx
)
5119 X509_LOOKUP
*lookup
;
5121 lookup
= X509_STORE_add_lookup(ctx
->cert_store
, X509_LOOKUP_store());
5125 /* We ignore errors, in case the directory doesn't exist */
5128 X509_LOOKUP_add_store_ex(lookup
, NULL
, ctx
->libctx
, ctx
->propq
);
5135 int SSL_CTX_load_verify_file(SSL_CTX
*ctx
, const char *CAfile
)
5137 return X509_STORE_load_file_ex(ctx
->cert_store
, CAfile
, ctx
->libctx
,
5141 int SSL_CTX_load_verify_dir(SSL_CTX
*ctx
, const char *CApath
)
5143 return X509_STORE_load_path(ctx
->cert_store
, CApath
);
5146 int SSL_CTX_load_verify_store(SSL_CTX
*ctx
, const char *CAstore
)
5148 return X509_STORE_load_store_ex(ctx
->cert_store
, CAstore
, ctx
->libctx
,
5152 int SSL_CTX_load_verify_locations(SSL_CTX
*ctx
, const char *CAfile
,
5155 if (CAfile
== NULL
&& CApath
== NULL
)
5157 if (CAfile
!= NULL
&& !SSL_CTX_load_verify_file(ctx
, CAfile
))
5159 if (CApath
!= NULL
&& !SSL_CTX_load_verify_dir(ctx
, CApath
))
5164 void SSL_set_info_callback(SSL
*ssl
,
5165 void (*cb
) (const SSL
*ssl
, int type
, int val
))
5167 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5172 sc
->info_callback
= cb
;
5176 * One compiler (Diab DCC) doesn't like argument names in returned function
5179 void (*SSL_get_info_callback(const SSL
*ssl
)) (const SSL
* /* ssl */ ,
5182 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5187 return sc
->info_callback
;
5190 void SSL_set_verify_result(SSL
*ssl
, long arg
)
5192 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5197 sc
->verify_result
= arg
;
5200 long SSL_get_verify_result(const SSL
*ssl
)
5202 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5207 return sc
->verify_result
;
5210 size_t SSL_get_client_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5212 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5218 return sizeof(sc
->s3
.client_random
);
5219 if (outlen
> sizeof(sc
->s3
.client_random
))
5220 outlen
= sizeof(sc
->s3
.client_random
);
5221 memcpy(out
, sc
->s3
.client_random
, outlen
);
5225 size_t SSL_get_server_random(const SSL
*ssl
, unsigned char *out
, size_t outlen
)
5227 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5233 return sizeof(sc
->s3
.server_random
);
5234 if (outlen
> sizeof(sc
->s3
.server_random
))
5235 outlen
= sizeof(sc
->s3
.server_random
);
5236 memcpy(out
, sc
->s3
.server_random
, outlen
);
5240 size_t SSL_SESSION_get_master_key(const SSL_SESSION
*session
,
5241 unsigned char *out
, size_t outlen
)
5244 return session
->master_key_length
;
5245 if (outlen
> session
->master_key_length
)
5246 outlen
= session
->master_key_length
;
5247 memcpy(out
, session
->master_key
, outlen
);
5251 int SSL_SESSION_set1_master_key(SSL_SESSION
*sess
, const unsigned char *in
,
5254 if (len
> sizeof(sess
->master_key
))
5257 memcpy(sess
->master_key
, in
, len
);
5258 sess
->master_key_length
= len
;
5263 int SSL_set_ex_data(SSL
*s
, int idx
, void *arg
)
5265 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5268 void *SSL_get_ex_data(const SSL
*s
, int idx
)
5270 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5273 int SSL_CTX_set_ex_data(SSL_CTX
*s
, int idx
, void *arg
)
5275 return CRYPTO_set_ex_data(&s
->ex_data
, idx
, arg
);
5278 void *SSL_CTX_get_ex_data(const SSL_CTX
*s
, int idx
)
5280 return CRYPTO_get_ex_data(&s
->ex_data
, idx
);
5283 X509_STORE
*SSL_CTX_get_cert_store(const SSL_CTX
*ctx
)
5285 return ctx
->cert_store
;
5288 void SSL_CTX_set_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5290 X509_STORE_free(ctx
->cert_store
);
5291 ctx
->cert_store
= store
;
5294 void SSL_CTX_set1_cert_store(SSL_CTX
*ctx
, X509_STORE
*store
)
5297 X509_STORE_up_ref(store
);
5298 SSL_CTX_set_cert_store(ctx
, store
);
5301 int SSL_want(const SSL
*s
)
5303 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5311 #ifndef OPENSSL_NO_PSK
5312 int SSL_CTX_use_psk_identity_hint(SSL_CTX
*ctx
, const char *identity_hint
)
5314 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5315 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5318 OPENSSL_free(ctx
->cert
->psk_identity_hint
);
5319 if (identity_hint
!= NULL
) {
5320 ctx
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5321 if (ctx
->cert
->psk_identity_hint
== NULL
)
5324 ctx
->cert
->psk_identity_hint
= NULL
;
5328 int SSL_use_psk_identity_hint(SSL
*s
, const char *identity_hint
)
5330 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5335 if (identity_hint
!= NULL
&& strlen(identity_hint
) > PSK_MAX_IDENTITY_LEN
) {
5336 ERR_raise(ERR_LIB_SSL
, SSL_R_DATA_LENGTH_TOO_LONG
);
5339 OPENSSL_free(sc
->cert
->psk_identity_hint
);
5340 if (identity_hint
!= NULL
) {
5341 sc
->cert
->psk_identity_hint
= OPENSSL_strdup(identity_hint
);
5342 if (sc
->cert
->psk_identity_hint
== NULL
)
5345 sc
->cert
->psk_identity_hint
= NULL
;
5349 const char *SSL_get_psk_identity_hint(const SSL
*s
)
5351 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5353 if (sc
== NULL
|| sc
->session
== NULL
)
5356 return sc
->session
->psk_identity_hint
;
5359 const char *SSL_get_psk_identity(const SSL
*s
)
5361 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5363 if (sc
== NULL
|| sc
->session
== NULL
)
5366 return sc
->session
->psk_identity
;
5369 void SSL_set_psk_client_callback(SSL
*s
, SSL_psk_client_cb_func cb
)
5371 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5376 sc
->psk_client_callback
= cb
;
5379 void SSL_CTX_set_psk_client_callback(SSL_CTX
*ctx
, SSL_psk_client_cb_func cb
)
5381 ctx
->psk_client_callback
= cb
;
5384 void SSL_set_psk_server_callback(SSL
*s
, SSL_psk_server_cb_func cb
)
5386 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5391 sc
->psk_server_callback
= cb
;
5394 void SSL_CTX_set_psk_server_callback(SSL_CTX
*ctx
, SSL_psk_server_cb_func cb
)
5396 ctx
->psk_server_callback
= cb
;
5400 void SSL_set_psk_find_session_callback(SSL
*s
, SSL_psk_find_session_cb_func cb
)
5402 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5407 sc
->psk_find_session_cb
= cb
;
5410 void SSL_CTX_set_psk_find_session_callback(SSL_CTX
*ctx
,
5411 SSL_psk_find_session_cb_func cb
)
5413 ctx
->psk_find_session_cb
= cb
;
5416 void SSL_set_psk_use_session_callback(SSL
*s
, SSL_psk_use_session_cb_func cb
)
5418 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5423 sc
->psk_use_session_cb
= cb
;
5426 void SSL_CTX_set_psk_use_session_callback(SSL_CTX
*ctx
,
5427 SSL_psk_use_session_cb_func cb
)
5429 ctx
->psk_use_session_cb
= cb
;
5432 void SSL_CTX_set_msg_callback(SSL_CTX
*ctx
,
5433 void (*cb
) (int write_p
, int version
,
5434 int content_type
, const void *buf
,
5435 size_t len
, SSL
*ssl
, void *arg
))
5437 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5440 void SSL_set_msg_callback(SSL
*ssl
,
5441 void (*cb
) (int write_p
, int version
,
5442 int content_type
, const void *buf
,
5443 size_t len
, SSL
*ssl
, void *arg
))
5445 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_MSG_CALLBACK
, (void (*)(void))cb
);
5448 void SSL_CTX_set_not_resumable_session_callback(SSL_CTX
*ctx
,
5449 int (*cb
) (SSL
*ssl
,
5453 SSL_CTX_callback_ctrl(ctx
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5454 (void (*)(void))cb
);
5457 void SSL_set_not_resumable_session_callback(SSL
*ssl
,
5458 int (*cb
) (SSL
*ssl
,
5459 int is_forward_secure
))
5461 SSL_callback_ctrl(ssl
, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB
,
5462 (void (*)(void))cb
);
5465 void SSL_CTX_set_record_padding_callback(SSL_CTX
*ctx
,
5466 size_t (*cb
) (SSL
*ssl
, int type
,
5467 size_t len
, void *arg
))
5469 ctx
->record_padding_cb
= cb
;
5472 void SSL_CTX_set_record_padding_callback_arg(SSL_CTX
*ctx
, void *arg
)
5474 ctx
->record_padding_arg
= arg
;
5477 void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX
*ctx
)
5479 return ctx
->record_padding_arg
;
5482 int SSL_CTX_set_block_padding(SSL_CTX
*ctx
, size_t block_size
)
5484 /* block size of 0 or 1 is basically no padding */
5485 if (block_size
== 1)
5486 ctx
->block_padding
= 0;
5487 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5488 ctx
->block_padding
= block_size
;
5494 int SSL_set_record_padding_callback(SSL
*ssl
,
5495 size_t (*cb
) (SSL
*ssl
, int type
,
5496 size_t len
, void *arg
))
5499 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5504 b
= SSL_get_wbio(ssl
);
5505 if (b
== NULL
|| !BIO_get_ktls_send(b
)) {
5506 sc
->rlayer
.record_padding_cb
= cb
;
5512 void SSL_set_record_padding_callback_arg(SSL
*ssl
, void *arg
)
5514 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5519 sc
->rlayer
.record_padding_arg
= arg
;
5522 void *SSL_get_record_padding_callback_arg(const SSL
*ssl
)
5524 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(ssl
);
5529 return sc
->rlayer
.record_padding_arg
;
5532 int SSL_set_block_padding(SSL
*ssl
, size_t block_size
)
5534 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
5539 /* block size of 0 or 1 is basically no padding */
5540 if (block_size
== 1)
5541 sc
->rlayer
.block_padding
= 0;
5542 else if (block_size
<= SSL3_RT_MAX_PLAIN_LENGTH
)
5543 sc
->rlayer
.block_padding
= block_size
;
5549 int SSL_set_num_tickets(SSL
*s
, size_t num_tickets
)
5551 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5556 sc
->num_tickets
= num_tickets
;
5561 size_t SSL_get_num_tickets(const SSL
*s
)
5563 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5568 return sc
->num_tickets
;
5571 int SSL_CTX_set_num_tickets(SSL_CTX
*ctx
, size_t num_tickets
)
5573 ctx
->num_tickets
= num_tickets
;
5578 size_t SSL_CTX_get_num_tickets(const SSL_CTX
*ctx
)
5580 return ctx
->num_tickets
;
5583 /* Retrieve handshake hashes */
5584 int ssl_handshake_hash(SSL_CONNECTION
*s
,
5585 unsigned char *out
, size_t outlen
,
5588 EVP_MD_CTX
*ctx
= NULL
;
5589 EVP_MD_CTX
*hdgst
= s
->s3
.handshake_dgst
;
5590 int hashleni
= EVP_MD_CTX_get_size(hdgst
);
5593 if (hashleni
< 0 || (size_t)hashleni
> outlen
) {
5594 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5598 ctx
= EVP_MD_CTX_new();
5600 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5604 if (!EVP_MD_CTX_copy_ex(ctx
, hdgst
)
5605 || EVP_DigestFinal_ex(ctx
, out
, NULL
) <= 0) {
5606 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
5610 *hashlen
= hashleni
;
5614 EVP_MD_CTX_free(ctx
);
5618 int SSL_session_reused(const SSL
*s
)
5620 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5628 int SSL_is_server(const SSL
*s
)
5630 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5638 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
5639 void SSL_set_debug(SSL
*s
, int debug
)
5641 /* Old function was do-nothing anyway... */
5647 void SSL_set_security_level(SSL
*s
, int level
)
5649 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5654 sc
->cert
->sec_level
= level
;
5657 int SSL_get_security_level(const SSL
*s
)
5659 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5664 return sc
->cert
->sec_level
;
5667 void SSL_set_security_callback(SSL
*s
,
5668 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5669 int op
, int bits
, int nid
,
5670 void *other
, void *ex
))
5672 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5677 sc
->cert
->sec_cb
= cb
;
5680 int (*SSL_get_security_callback(const SSL
*s
)) (const SSL
*s
,
5681 const SSL_CTX
*ctx
, int op
,
5682 int bits
, int nid
, void *other
,
5684 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5689 return sc
->cert
->sec_cb
;
5692 void SSL_set0_security_ex_data(SSL
*s
, void *ex
)
5694 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5699 sc
->cert
->sec_ex
= ex
;
5702 void *SSL_get0_security_ex_data(const SSL
*s
)
5704 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5709 return sc
->cert
->sec_ex
;
5712 void SSL_CTX_set_security_level(SSL_CTX
*ctx
, int level
)
5714 ctx
->cert
->sec_level
= level
;
5717 int SSL_CTX_get_security_level(const SSL_CTX
*ctx
)
5719 return ctx
->cert
->sec_level
;
5722 void SSL_CTX_set_security_callback(SSL_CTX
*ctx
,
5723 int (*cb
) (const SSL
*s
, const SSL_CTX
*ctx
,
5724 int op
, int bits
, int nid
,
5725 void *other
, void *ex
))
5727 ctx
->cert
->sec_cb
= cb
;
5730 int (*SSL_CTX_get_security_callback(const SSL_CTX
*ctx
)) (const SSL
*s
,
5736 return ctx
->cert
->sec_cb
;
5739 void SSL_CTX_set0_security_ex_data(SSL_CTX
*ctx
, void *ex
)
5741 ctx
->cert
->sec_ex
= ex
;
5744 void *SSL_CTX_get0_security_ex_data(const SSL_CTX
*ctx
)
5746 return ctx
->cert
->sec_ex
;
5749 uint64_t SSL_CTX_get_options(const SSL_CTX
*ctx
)
5751 return ctx
->options
;
5754 uint64_t SSL_get_options(const SSL
*s
)
5756 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5764 uint64_t SSL_CTX_set_options(SSL_CTX
*ctx
, uint64_t op
)
5766 return ctx
->options
|= op
;
5769 uint64_t SSL_set_options(SSL
*s
, uint64_t op
)
5771 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5772 OSSL_PARAM options
[2], *opts
= options
;
5779 *opts
++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS
,
5781 *opts
= OSSL_PARAM_construct_end();
5783 /* Ignore return value */
5784 sc
->rlayer
.rrlmethod
->set_options(sc
->rlayer
.rrl
, options
);
5789 uint64_t SSL_CTX_clear_options(SSL_CTX
*ctx
, uint64_t op
)
5791 return ctx
->options
&= ~op
;
5794 uint64_t SSL_clear_options(SSL
*s
, uint64_t op
)
5796 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5801 return sc
->options
&= ~op
;
5804 STACK_OF(X509
) *SSL_get0_verified_chain(const SSL
*s
)
5806 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
5811 return sc
->verified_chain
;
5814 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);
5816 #ifndef OPENSSL_NO_CT
5819 * Moves SCTs from the |src| stack to the |dst| stack.
5820 * The source of each SCT will be set to |origin|.
5821 * If |dst| points to a NULL pointer, a new stack will be created and owned by
5823 * Returns the number of SCTs moved, or a negative integer if an error occurs.
5825 static int ct_move_scts(STACK_OF(SCT
) **dst
, STACK_OF(SCT
) *src
,
5826 sct_source_t origin
)
5832 *dst
= sk_SCT_new_null();
5834 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
5839 while ((sct
= sk_SCT_pop(src
)) != NULL
) {
5840 if (SCT_set_source(sct
, origin
) != 1)
5843 if (sk_SCT_push(*dst
, sct
) <= 0)
5851 sk_SCT_push(src
, sct
); /* Put the SCT back */
5856 * Look for data collected during ServerHello and parse if found.
5857 * Returns the number of SCTs extracted.
5859 static int ct_extract_tls_extension_scts(SSL_CONNECTION
*s
)
5861 int scts_extracted
= 0;
5863 if (s
->ext
.scts
!= NULL
) {
5864 const unsigned char *p
= s
->ext
.scts
;
5865 STACK_OF(SCT
) *scts
= o2i_SCT_LIST(NULL
, &p
, s
->ext
.scts_len
);
5867 scts_extracted
= ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_TLS_EXTENSION
);
5869 SCT_LIST_free(scts
);
5872 return scts_extracted
;
5876 * Checks for an OCSP response and then attempts to extract any SCTs found if it
5877 * contains an SCT X509 extension. They will be stored in |s->scts|.
5879 * - The number of SCTs extracted, assuming an OCSP response exists.
5880 * - 0 if no OCSP response exists or it contains no SCTs.
5881 * - A negative integer if an error occurs.
5883 static int ct_extract_ocsp_response_scts(SSL_CONNECTION
*s
)
5885 # ifndef OPENSSL_NO_OCSP
5886 int scts_extracted
= 0;
5887 const unsigned char *p
;
5888 OCSP_BASICRESP
*br
= NULL
;
5889 OCSP_RESPONSE
*rsp
= NULL
;
5890 STACK_OF(SCT
) *scts
= NULL
;
5893 if (s
->ext
.ocsp
.resp
== NULL
|| s
->ext
.ocsp
.resp_len
== 0)
5896 p
= s
->ext
.ocsp
.resp
;
5897 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, (int)s
->ext
.ocsp
.resp_len
);
5901 br
= OCSP_response_get1_basic(rsp
);
5905 for (i
= 0; i
< OCSP_resp_count(br
); ++i
) {
5906 OCSP_SINGLERESP
*single
= OCSP_resp_get0(br
, i
);
5912 OCSP_SINGLERESP_get1_ext_d2i(single
, NID_ct_cert_scts
, NULL
, NULL
);
5914 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_OCSP_STAPLED_RESPONSE
);
5915 if (scts_extracted
< 0)
5919 SCT_LIST_free(scts
);
5920 OCSP_BASICRESP_free(br
);
5921 OCSP_RESPONSE_free(rsp
);
5922 return scts_extracted
;
5924 /* Behave as if no OCSP response exists */
5930 * Attempts to extract SCTs from the peer certificate.
5931 * Return the number of SCTs extracted, or a negative integer if an error
5934 static int ct_extract_x509v3_extension_scts(SSL_CONNECTION
*s
)
5936 int scts_extracted
= 0;
5937 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
5940 STACK_OF(SCT
) *scts
=
5941 X509_get_ext_d2i(cert
, NID_ct_precert_scts
, NULL
, NULL
);
5944 ct_move_scts(&s
->scts
, scts
, SCT_SOURCE_X509V3_EXTENSION
);
5946 SCT_LIST_free(scts
);
5949 return scts_extracted
;
5953 * Attempts to find all received SCTs by checking TLS extensions, the OCSP
5954 * response (if it exists) and X509v3 extensions in the certificate.
5955 * Returns NULL if an error occurs.
5957 const STACK_OF(SCT
) *SSL_get0_peer_scts(SSL
*s
)
5959 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
5964 if (!sc
->scts_parsed
) {
5965 if (ct_extract_tls_extension_scts(sc
) < 0 ||
5966 ct_extract_ocsp_response_scts(sc
) < 0 ||
5967 ct_extract_x509v3_extension_scts(sc
) < 0)
5970 sc
->scts_parsed
= 1;
5977 static int ct_permissive(const CT_POLICY_EVAL_CTX
* ctx
,
5978 const STACK_OF(SCT
) *scts
, void *unused_arg
)
5983 static int ct_strict(const CT_POLICY_EVAL_CTX
* ctx
,
5984 const STACK_OF(SCT
) *scts
, void *unused_arg
)
5986 int count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
5989 for (i
= 0; i
< count
; ++i
) {
5990 SCT
*sct
= sk_SCT_value(scts
, i
);
5991 int status
= SCT_get_validation_status(sct
);
5993 if (status
== SCT_VALIDATION_STATUS_VALID
)
5996 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_VALID_SCTS
);
6000 int SSL_set_ct_validation_callback(SSL
*s
, ssl_ct_validation_cb callback
,
6003 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6009 * Since code exists that uses the custom extension handler for CT, look
6010 * for this and throw an error if they have already registered to use CT.
6012 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(s
->ctx
,
6013 TLSEXT_TYPE_signed_certificate_timestamp
))
6015 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6019 if (callback
!= NULL
) {
6021 * If we are validating CT, then we MUST accept SCTs served via OCSP
6023 if (!SSL_set_tlsext_status_type(s
, TLSEXT_STATUSTYPE_ocsp
))
6027 sc
->ct_validation_callback
= callback
;
6028 sc
->ct_validation_callback_arg
= arg
;
6033 int SSL_CTX_set_ct_validation_callback(SSL_CTX
*ctx
,
6034 ssl_ct_validation_cb callback
, void *arg
)
6037 * Since code exists that uses the custom extension handler for CT, look for
6038 * this and throw an error if they have already registered to use CT.
6040 if (callback
!= NULL
&& SSL_CTX_has_client_custom_ext(ctx
,
6041 TLSEXT_TYPE_signed_certificate_timestamp
))
6043 ERR_raise(ERR_LIB_SSL
, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED
);
6047 ctx
->ct_validation_callback
= callback
;
6048 ctx
->ct_validation_callback_arg
= arg
;
6052 int SSL_ct_is_enabled(const SSL
*s
)
6054 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6059 return sc
->ct_validation_callback
!= NULL
;
6062 int SSL_CTX_ct_is_enabled(const SSL_CTX
*ctx
)
6064 return ctx
->ct_validation_callback
!= NULL
;
6067 int ssl_validate_ct(SSL_CONNECTION
*s
)
6070 X509
*cert
= s
->session
!= NULL
? s
->session
->peer
: NULL
;
6072 SSL_DANE
*dane
= &s
->dane
;
6073 CT_POLICY_EVAL_CTX
*ctx
= NULL
;
6074 const STACK_OF(SCT
) *scts
;
6077 * If no callback is set, the peer is anonymous, or its chain is invalid,
6078 * skip SCT validation - just return success. Applications that continue
6079 * handshakes without certificates, with unverified chains, or pinned leaf
6080 * certificates are outside the scope of the WebPKI and CT.
6082 * The above exclusions notwithstanding the vast majority of peers will
6083 * have rather ordinary certificate chains validated by typical
6084 * applications that perform certificate verification and therefore will
6085 * process SCTs when enabled.
6087 if (s
->ct_validation_callback
== NULL
|| cert
== NULL
||
6088 s
->verify_result
!= X509_V_OK
||
6089 s
->verified_chain
== NULL
|| sk_X509_num(s
->verified_chain
) <= 1)
6093 * CT not applicable for chains validated via DANE-TA(2) or DANE-EE(3)
6094 * trust-anchors. See https://tools.ietf.org/html/rfc7671#section-4.2
6096 if (DANETLS_ENABLED(dane
) && dane
->mtlsa
!= NULL
) {
6097 switch (dane
->mtlsa
->usage
) {
6098 case DANETLS_USAGE_DANE_TA
:
6099 case DANETLS_USAGE_DANE_EE
:
6104 ctx
= CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s
)->libctx
,
6105 SSL_CONNECTION_GET_CTX(s
)->propq
);
6107 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CT_LIB
);
6111 issuer
= sk_X509_value(s
->verified_chain
, 1);
6112 CT_POLICY_EVAL_CTX_set1_cert(ctx
, cert
);
6113 CT_POLICY_EVAL_CTX_set1_issuer(ctx
, issuer
);
6114 CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx
,
6115 SSL_CONNECTION_GET_CTX(s
)->ctlog_store
);
6116 CT_POLICY_EVAL_CTX_set_time(
6117 ctx
, (uint64_t)SSL_SESSION_get_time(s
->session
) * 1000);
6119 scts
= SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s
));
6122 * This function returns success (> 0) only when all the SCTs are valid, 0
6123 * when some are invalid, and < 0 on various internal errors (out of
6124 * memory, etc.). Having some, or even all, invalid SCTs is not sufficient
6125 * reason to abort the handshake, that decision is up to the callback.
6126 * Therefore, we error out only in the unexpected case that the return
6127 * value is negative.
6129 * XXX: One might well argue that the return value of this function is an
6130 * unfortunate design choice. Its job is only to determine the validation
6131 * status of each of the provided SCTs. So long as it correctly separates
6132 * the wheat from the chaff it should return success. Failure in this case
6133 * ought to correspond to an inability to carry out its duties.
6135 if (SCT_LIST_validate(scts
, ctx
) < 0) {
6136 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_SCT_VERIFICATION_FAILED
);
6140 ret
= s
->ct_validation_callback(ctx
, scts
, s
->ct_validation_callback_arg
);
6142 ret
= 0; /* This function returns 0 on failure */
6144 SSLfatal(s
, SSL_AD_HANDSHAKE_FAILURE
, SSL_R_CALLBACK_FAILED
);
6147 CT_POLICY_EVAL_CTX_free(ctx
);
6149 * With SSL_VERIFY_NONE the session may be cached and re-used despite a
6150 * failure return code here. Also the application may wish the complete
6151 * the handshake, and then disconnect cleanly at a higher layer, after
6152 * checking the verification status of the completed connection.
6154 * We therefore force a certificate verification failure which will be
6155 * visible via SSL_get_verify_result() and cached as part of any resumed
6158 * Note: the permissive callback is for information gathering only, always
6159 * returns success, and does not affect verification status. Only the
6160 * strict callback or a custom application-specified callback can trigger
6161 * connection failure or record a verification error.
6164 s
->verify_result
= X509_V_ERR_NO_VALID_SCTS
;
6168 int SSL_CTX_enable_ct(SSL_CTX
*ctx
, int validation_mode
)
6170 switch (validation_mode
) {
6172 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6174 case SSL_CT_VALIDATION_PERMISSIVE
:
6175 return SSL_CTX_set_ct_validation_callback(ctx
, ct_permissive
, NULL
);
6176 case SSL_CT_VALIDATION_STRICT
:
6177 return SSL_CTX_set_ct_validation_callback(ctx
, ct_strict
, NULL
);
6181 int SSL_enable_ct(SSL
*s
, int validation_mode
)
6183 switch (validation_mode
) {
6185 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CT_VALIDATION_TYPE
);
6187 case SSL_CT_VALIDATION_PERMISSIVE
:
6188 return SSL_set_ct_validation_callback(s
, ct_permissive
, NULL
);
6189 case SSL_CT_VALIDATION_STRICT
:
6190 return SSL_set_ct_validation_callback(s
, ct_strict
, NULL
);
6194 int SSL_CTX_set_default_ctlog_list_file(SSL_CTX
*ctx
)
6196 return CTLOG_STORE_load_default_file(ctx
->ctlog_store
);
6199 int SSL_CTX_set_ctlog_list_file(SSL_CTX
*ctx
, const char *path
)
6201 return CTLOG_STORE_load_file(ctx
->ctlog_store
, path
);
6204 void SSL_CTX_set0_ctlog_store(SSL_CTX
*ctx
, CTLOG_STORE
* logs
)
6206 CTLOG_STORE_free(ctx
->ctlog_store
);
6207 ctx
->ctlog_store
= logs
;
6210 const CTLOG_STORE
*SSL_CTX_get0_ctlog_store(const SSL_CTX
*ctx
)
6212 return ctx
->ctlog_store
;
6215 #endif /* OPENSSL_NO_CT */
6217 void SSL_CTX_set_client_hello_cb(SSL_CTX
*c
, SSL_client_hello_cb_fn cb
,
6220 c
->client_hello_cb
= cb
;
6221 c
->client_hello_cb_arg
= arg
;
6224 int SSL_client_hello_isv2(SSL
*s
)
6226 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6231 if (sc
->clienthello
== NULL
)
6233 return sc
->clienthello
->isv2
;
6236 unsigned int SSL_client_hello_get0_legacy_version(SSL
*s
)
6238 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6243 if (sc
->clienthello
== NULL
)
6245 return sc
->clienthello
->legacy_version
;
6248 size_t SSL_client_hello_get0_random(SSL
*s
, const unsigned char **out
)
6250 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6255 if (sc
->clienthello
== NULL
)
6258 *out
= sc
->clienthello
->random
;
6259 return SSL3_RANDOM_SIZE
;
6262 size_t SSL_client_hello_get0_session_id(SSL
*s
, const unsigned char **out
)
6264 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6269 if (sc
->clienthello
== NULL
)
6272 *out
= sc
->clienthello
->session_id
;
6273 return sc
->clienthello
->session_id_len
;
6276 size_t SSL_client_hello_get0_ciphers(SSL
*s
, const unsigned char **out
)
6278 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6283 if (sc
->clienthello
== NULL
)
6286 *out
= PACKET_data(&sc
->clienthello
->ciphersuites
);
6287 return PACKET_remaining(&sc
->clienthello
->ciphersuites
);
6290 size_t SSL_client_hello_get0_compression_methods(SSL
*s
, const unsigned char **out
)
6292 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6297 if (sc
->clienthello
== NULL
)
6300 *out
= sc
->clienthello
->compressions
;
6301 return sc
->clienthello
->compressions_len
;
6304 int SSL_client_hello_get1_extensions_present(SSL
*s
, int **out
, size_t *outlen
)
6309 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6314 if (sc
->clienthello
== NULL
|| out
== NULL
|| outlen
== NULL
)
6316 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6317 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6326 if ((present
= OPENSSL_malloc(sizeof(*present
) * num
)) == NULL
)
6328 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6329 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6331 if (ext
->received_order
>= num
)
6333 present
[ext
->received_order
] = ext
->type
;
6340 OPENSSL_free(present
);
6344 int SSL_client_hello_get_extension_order(SSL
*s
, uint16_t *exts
, size_t *num_exts
)
6348 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6353 if (sc
->clienthello
== NULL
|| num_exts
== NULL
)
6355 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6356 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6368 if (*num_exts
< num
)
6370 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; i
++) {
6371 ext
= sc
->clienthello
->pre_proc_exts
+ i
;
6373 if (ext
->received_order
>= num
)
6375 exts
[ext
->received_order
] = ext
->type
;
6382 int SSL_client_hello_get0_ext(SSL
*s
, unsigned int type
, const unsigned char **out
,
6387 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6392 if (sc
->clienthello
== NULL
)
6394 for (i
= 0; i
< sc
->clienthello
->pre_proc_exts_len
; ++i
) {
6395 r
= sc
->clienthello
->pre_proc_exts
+ i
;
6396 if (r
->present
&& r
->type
== type
) {
6398 *out
= PACKET_data(&r
->data
);
6400 *outlen
= PACKET_remaining(&r
->data
);
6407 int SSL_free_buffers(SSL
*ssl
)
6410 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6417 return rl
->rrlmethod
->free_buffers(rl
->rrl
)
6418 && rl
->wrlmethod
->free_buffers(rl
->wrl
);
6421 int SSL_alloc_buffers(SSL
*ssl
)
6424 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6431 return rl
->rrlmethod
->alloc_buffers(rl
->rrl
)
6432 && rl
->wrlmethod
->alloc_buffers(rl
->wrl
);
6435 void SSL_CTX_set_keylog_callback(SSL_CTX
*ctx
, SSL_CTX_keylog_cb_func cb
)
6437 ctx
->keylog_callback
= cb
;
6440 SSL_CTX_keylog_cb_func
SSL_CTX_get_keylog_callback(const SSL_CTX
*ctx
)
6442 return ctx
->keylog_callback
;
6445 static int nss_keylog_int(const char *prefix
,
6447 const uint8_t *parameter_1
,
6448 size_t parameter_1_len
,
6449 const uint8_t *parameter_2
,
6450 size_t parameter_2_len
)
6453 char *cursor
= NULL
;
6457 SSL_CTX
*sctx
= SSL_CONNECTION_GET_CTX(sc
);
6459 if (sctx
->keylog_callback
== NULL
)
6463 * Our output buffer will contain the following strings, rendered with
6464 * space characters in between, terminated by a NULL character: first the
6465 * prefix, then the first parameter, then the second parameter. The
6466 * meaning of each parameter depends on the specific key material being
6467 * logged. Note that the first and second parameters are encoded in
6468 * hexadecimal, so we need a buffer that is twice their lengths.
6470 prefix_len
= strlen(prefix
);
6471 out_len
= prefix_len
+ (2 * parameter_1_len
) + (2 * parameter_2_len
) + 3;
6472 if ((out
= cursor
= OPENSSL_malloc(out_len
)) == NULL
)
6475 strcpy(cursor
, prefix
);
6476 cursor
+= prefix_len
;
6479 for (i
= 0; i
< parameter_1_len
; i
++) {
6480 sprintf(cursor
, "%02x", parameter_1
[i
]);
6485 for (i
= 0; i
< parameter_2_len
; i
++) {
6486 sprintf(cursor
, "%02x", parameter_2
[i
]);
6491 sctx
->keylog_callback(SSL_CONNECTION_GET_SSL(sc
), (const char *)out
);
6492 OPENSSL_clear_free(out
, out_len
);
6497 int ssl_log_rsa_client_key_exchange(SSL_CONNECTION
*sc
,
6498 const uint8_t *encrypted_premaster
,
6499 size_t encrypted_premaster_len
,
6500 const uint8_t *premaster
,
6501 size_t premaster_len
)
6503 if (encrypted_premaster_len
< 8) {
6504 SSLfatal(sc
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6508 /* We only want the first 8 bytes of the encrypted premaster as a tag. */
6509 return nss_keylog_int("RSA",
6511 encrypted_premaster
,
6517 int ssl_log_secret(SSL_CONNECTION
*sc
,
6519 const uint8_t *secret
,
6522 return nss_keylog_int(label
,
6524 sc
->s3
.client_random
,
6530 #define SSLV2_CIPHER_LEN 3
6532 int ssl_cache_cipherlist(SSL_CONNECTION
*s
, PACKET
*cipher_suites
, int sslv2format
)
6536 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6538 if (PACKET_remaining(cipher_suites
) == 0) {
6539 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6543 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6544 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6548 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6549 s
->s3
.tmp
.ciphers_raw
= NULL
;
6550 s
->s3
.tmp
.ciphers_rawlen
= 0;
6553 size_t numciphers
= PACKET_remaining(cipher_suites
) / n
;
6554 PACKET sslv2ciphers
= *cipher_suites
;
6555 unsigned int leadbyte
;
6559 * We store the raw ciphers list in SSLv3+ format so we need to do some
6560 * preprocessing to convert the list first. If there are any SSLv2 only
6561 * ciphersuites with a non-zero leading byte then we are going to
6562 * slightly over allocate because we won't store those. But that isn't a
6565 raw
= OPENSSL_malloc(numciphers
* TLS_CIPHER_LEN
);
6566 s
->s3
.tmp
.ciphers_raw
= raw
;
6568 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6571 for (s
->s3
.tmp
.ciphers_rawlen
= 0;
6572 PACKET_remaining(&sslv2ciphers
) > 0;
6573 raw
+= TLS_CIPHER_LEN
) {
6574 if (!PACKET_get_1(&sslv2ciphers
, &leadbyte
)
6576 && !PACKET_copy_bytes(&sslv2ciphers
, raw
,
6579 && !PACKET_forward(&sslv2ciphers
, TLS_CIPHER_LEN
))) {
6580 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_PACKET
);
6581 OPENSSL_free(s
->s3
.tmp
.ciphers_raw
);
6582 s
->s3
.tmp
.ciphers_raw
= NULL
;
6583 s
->s3
.tmp
.ciphers_rawlen
= 0;
6587 s
->s3
.tmp
.ciphers_rawlen
+= TLS_CIPHER_LEN
;
6589 } else if (!PACKET_memdup(cipher_suites
, &s
->s3
.tmp
.ciphers_raw
,
6590 &s
->s3
.tmp
.ciphers_rawlen
)) {
6591 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_INTERNAL_ERROR
);
6597 int SSL_bytes_to_cipher_list(SSL
*s
, const unsigned char *bytes
, size_t len
,
6598 int isv2format
, STACK_OF(SSL_CIPHER
) **sk
,
6599 STACK_OF(SSL_CIPHER
) **scsvs
)
6602 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6607 if (!PACKET_buf_init(&pkt
, bytes
, len
))
6609 return ossl_bytes_to_cipher_list(sc
, &pkt
, sk
, scsvs
, isv2format
, 0);
6612 int ossl_bytes_to_cipher_list(SSL_CONNECTION
*s
, PACKET
*cipher_suites
,
6613 STACK_OF(SSL_CIPHER
) **skp
,
6614 STACK_OF(SSL_CIPHER
) **scsvs_out
,
6615 int sslv2format
, int fatal
)
6617 const SSL_CIPHER
*c
;
6618 STACK_OF(SSL_CIPHER
) *sk
= NULL
;
6619 STACK_OF(SSL_CIPHER
) *scsvs
= NULL
;
6621 /* 3 = SSLV2_CIPHER_LEN > TLS_CIPHER_LEN = 2. */
6622 unsigned char cipher
[SSLV2_CIPHER_LEN
];
6624 n
= sslv2format
? SSLV2_CIPHER_LEN
: TLS_CIPHER_LEN
;
6626 if (PACKET_remaining(cipher_suites
) == 0) {
6628 SSLfatal(s
, SSL_AD_ILLEGAL_PARAMETER
, SSL_R_NO_CIPHERS_SPECIFIED
);
6630 ERR_raise(ERR_LIB_SSL
, SSL_R_NO_CIPHERS_SPECIFIED
);
6634 if (PACKET_remaining(cipher_suites
) % n
!= 0) {
6636 SSLfatal(s
, SSL_AD_DECODE_ERROR
,
6637 SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6639 ERR_raise(ERR_LIB_SSL
, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST
);
6643 sk
= sk_SSL_CIPHER_new_null();
6644 scsvs
= sk_SSL_CIPHER_new_null();
6645 if (sk
== NULL
|| scsvs
== NULL
) {
6647 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6649 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6653 while (PACKET_copy_bytes(cipher_suites
, cipher
, n
)) {
6655 * SSLv3 ciphers wrapped in an SSLv2-compatible ClientHello have the
6656 * first byte set to zero, while true SSLv2 ciphers have a non-zero
6657 * first byte. We don't support any true SSLv2 ciphers, so skip them.
6659 if (sslv2format
&& cipher
[0] != '\0')
6662 /* For SSLv2-compat, ignore leading 0-byte. */
6663 c
= ssl_get_cipher_by_char(s
, sslv2format
? &cipher
[1] : cipher
, 1);
6665 if ((c
->valid
&& !sk_SSL_CIPHER_push(sk
, c
)) ||
6666 (!c
->valid
&& !sk_SSL_CIPHER_push(scsvs
, c
))) {
6668 SSLfatal(s
, SSL_AD_INTERNAL_ERROR
, ERR_R_CRYPTO_LIB
);
6670 ERR_raise(ERR_LIB_SSL
, ERR_R_CRYPTO_LIB
);
6675 if (PACKET_remaining(cipher_suites
) > 0) {
6677 SSLfatal(s
, SSL_AD_DECODE_ERROR
, SSL_R_BAD_LENGTH
);
6679 ERR_raise(ERR_LIB_SSL
, SSL_R_BAD_LENGTH
);
6686 sk_SSL_CIPHER_free(sk
);
6687 if (scsvs_out
!= NULL
)
6690 sk_SSL_CIPHER_free(scsvs
);
6693 sk_SSL_CIPHER_free(sk
);
6694 sk_SSL_CIPHER_free(scsvs
);
6698 int SSL_CTX_set_max_early_data(SSL_CTX
*ctx
, uint32_t max_early_data
)
6700 ctx
->max_early_data
= max_early_data
;
6705 uint32_t SSL_CTX_get_max_early_data(const SSL_CTX
*ctx
)
6707 return ctx
->max_early_data
;
6710 int SSL_set_max_early_data(SSL
*s
, uint32_t max_early_data
)
6712 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6717 sc
->max_early_data
= max_early_data
;
6722 uint32_t SSL_get_max_early_data(const SSL
*s
)
6724 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6729 return sc
->max_early_data
;
6732 int SSL_CTX_set_recv_max_early_data(SSL_CTX
*ctx
, uint32_t recv_max_early_data
)
6734 ctx
->recv_max_early_data
= recv_max_early_data
;
6739 uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX
*ctx
)
6741 return ctx
->recv_max_early_data
;
6744 int SSL_set_recv_max_early_data(SSL
*s
, uint32_t recv_max_early_data
)
6746 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6751 sc
->recv_max_early_data
= recv_max_early_data
;
6756 uint32_t SSL_get_recv_max_early_data(const SSL
*s
)
6758 const SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_CONST_SSL(s
);
6763 return sc
->recv_max_early_data
;
6766 __owur
unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION
*sc
)
6768 /* Return any active Max Fragment Len extension */
6769 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
))
6770 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
6772 /* return current SSL connection setting */
6773 return sc
->max_send_fragment
;
6776 __owur
unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION
*sc
)
6778 /* Return a value regarding an active Max Fragment Len extension */
6779 if (sc
->session
!= NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(sc
->session
)
6780 && sc
->split_send_fragment
> GET_MAX_FRAGMENT_LENGTH(sc
->session
))
6781 return GET_MAX_FRAGMENT_LENGTH(sc
->session
);
6783 /* else limit |split_send_fragment| to current |max_send_fragment| */
6784 if (sc
->split_send_fragment
> sc
->max_send_fragment
)
6785 return sc
->max_send_fragment
;
6787 /* return current SSL connection setting */
6788 return sc
->split_send_fragment
;
6791 int SSL_stateless(SSL
*s
)
6794 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6796 /* TODO(QUIC): This will need further work. */
6800 /* Ensure there is no state left over from a previous invocation */
6806 sc
->s3
.flags
|= TLS1_FLAGS_STATELESS
;
6807 ret
= SSL_accept(s
);
6808 sc
->s3
.flags
&= ~TLS1_FLAGS_STATELESS
;
6810 if (ret
> 0 && sc
->ext
.cookieok
)
6813 if (sc
->hello_retry_request
== SSL_HRR_PENDING
&& !ossl_statem_in_error(sc
))
6819 void SSL_CTX_set_post_handshake_auth(SSL_CTX
*ctx
, int val
)
6821 ctx
->pha_enabled
= val
;
6824 void SSL_set_post_handshake_auth(SSL
*ssl
, int val
)
6826 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6831 sc
->pha_enabled
= val
;
6834 int SSL_verify_client_post_handshake(SSL
*ssl
)
6836 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(ssl
);
6841 if (!SSL_CONNECTION_IS_TLS13(sc
)) {
6842 ERR_raise(ERR_LIB_SSL
, SSL_R_WRONG_SSL_VERSION
);
6846 ERR_raise(ERR_LIB_SSL
, SSL_R_NOT_SERVER
);
6850 if (!SSL_is_init_finished(ssl
)) {
6851 ERR_raise(ERR_LIB_SSL
, SSL_R_STILL_IN_INIT
);
6855 switch (sc
->post_handshake_auth
) {
6857 ERR_raise(ERR_LIB_SSL
, SSL_R_EXTENSION_NOT_RECEIVED
);
6860 case SSL_PHA_EXT_SENT
:
6861 ERR_raise(ERR_LIB_SSL
, ERR_R_INTERNAL_ERROR
);
6863 case SSL_PHA_EXT_RECEIVED
:
6865 case SSL_PHA_REQUEST_PENDING
:
6866 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_PENDING
);
6868 case SSL_PHA_REQUESTED
:
6869 ERR_raise(ERR_LIB_SSL
, SSL_R_REQUEST_SENT
);
6873 sc
->post_handshake_auth
= SSL_PHA_REQUEST_PENDING
;
6875 /* checks verify_mode and algorithm_auth */
6876 if (!send_certificate_request(sc
)) {
6877 sc
->post_handshake_auth
= SSL_PHA_EXT_RECEIVED
; /* restore on error */
6878 ERR_raise(ERR_LIB_SSL
, SSL_R_INVALID_CONFIG
);
6882 ossl_statem_set_in_init(sc
, 1);
6886 int SSL_CTX_set_session_ticket_cb(SSL_CTX
*ctx
,
6887 SSL_CTX_generate_session_ticket_fn gen_cb
,
6888 SSL_CTX_decrypt_session_ticket_fn dec_cb
,
6891 ctx
->generate_ticket_cb
= gen_cb
;
6892 ctx
->decrypt_ticket_cb
= dec_cb
;
6893 ctx
->ticket_cb_data
= arg
;
6897 void SSL_CTX_set_allow_early_data_cb(SSL_CTX
*ctx
,
6898 SSL_allow_early_data_cb_fn cb
,
6901 ctx
->allow_early_data_cb
= cb
;
6902 ctx
->allow_early_data_cb_data
= arg
;
6905 void SSL_set_allow_early_data_cb(SSL
*s
,
6906 SSL_allow_early_data_cb_fn cb
,
6909 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
6914 sc
->allow_early_data_cb
= cb
;
6915 sc
->allow_early_data_cb_data
= arg
;
6918 const EVP_CIPHER
*ssl_evp_cipher_fetch(OSSL_LIB_CTX
*libctx
,
6920 const char *properties
)
6922 const EVP_CIPHER
*ciph
;
6924 ciph
= tls_get_cipher_from_engine(nid
);
6929 * If there is no engine cipher then we do an explicit fetch. This may fail
6930 * and that could be ok
6933 ciph
= EVP_CIPHER_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
6939 int ssl_evp_cipher_up_ref(const EVP_CIPHER
*cipher
)
6941 /* Don't up-ref an implicit EVP_CIPHER */
6942 if (EVP_CIPHER_get0_provider(cipher
) == NULL
)
6946 * The cipher was explicitly fetched and therefore it is safe to cast
6949 return EVP_CIPHER_up_ref((EVP_CIPHER
*)cipher
);
6952 void ssl_evp_cipher_free(const EVP_CIPHER
*cipher
)
6957 if (EVP_CIPHER_get0_provider(cipher
) != NULL
) {
6959 * The cipher was explicitly fetched and therefore it is safe to cast
6962 EVP_CIPHER_free((EVP_CIPHER
*)cipher
);
6966 const EVP_MD
*ssl_evp_md_fetch(OSSL_LIB_CTX
*libctx
,
6968 const char *properties
)
6972 md
= tls_get_digest_from_engine(nid
);
6976 /* Otherwise we do an explicit fetch */
6978 md
= EVP_MD_fetch(libctx
, OBJ_nid2sn(nid
), properties
);
6983 int ssl_evp_md_up_ref(const EVP_MD
*md
)
6985 /* Don't up-ref an implicit EVP_MD */
6986 if (EVP_MD_get0_provider(md
) == NULL
)
6990 * The digest was explicitly fetched and therefore it is safe to cast
6993 return EVP_MD_up_ref((EVP_MD
*)md
);
6996 void ssl_evp_md_free(const EVP_MD
*md
)
7001 if (EVP_MD_get0_provider(md
) != NULL
) {
7003 * The digest was explicitly fetched and therefore it is safe to cast
7006 EVP_MD_free((EVP_MD
*)md
);
7010 int SSL_set0_tmp_dh_pkey(SSL
*s
, EVP_PKEY
*dhpkey
)
7012 SSL_CONNECTION
*sc
= SSL_CONNECTION_FROM_SSL(s
);
7017 if (!ssl_security(sc
, SSL_SECOP_TMP_DH
,
7018 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7019 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7022 EVP_PKEY_free(sc
->cert
->dh_tmp
);
7023 sc
->cert
->dh_tmp
= dhpkey
;
7027 int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX
*ctx
, EVP_PKEY
*dhpkey
)
7029 if (!ssl_ctx_security(ctx
, SSL_SECOP_TMP_DH
,
7030 EVP_PKEY_get_security_bits(dhpkey
), 0, dhpkey
)) {
7031 ERR_raise(ERR_LIB_SSL
, SSL_R_DH_KEY_TOO_SMALL
);
7034 EVP_PKEY_free(ctx
->cert
->dh_tmp
);
7035 ctx
->cert
->dh_tmp
= dhpkey
;
7039 /* QUIC-specific methods which are supported on QUIC connections only. */
7040 int SSL_tick(SSL
*s
)
7043 #ifndef OPENSSL_NO_QUIC
7044 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7047 return ossl_quic_tick(qc
);
7050 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7051 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
))
7053 * DTLSv1_handle_timeout returns 0 if the timer wasn't expired yet,
7054 * which we consider a success case. Theoretically DTLSv1_handle_timeout
7055 * can also return 0 if s is NULL or not a DTLS object, but we've
7056 * already ruled out those possibilities above, so this is not possible
7057 * here. Thus the only failure cases are where DTLSv1_handle_timeout
7060 return DTLSv1_handle_timeout(s
) >= 0;
7065 int SSL_get_tick_timeout(SSL
*s
, struct timeval
*tv
)
7068 #ifndef OPENSSL_NO_QUIC
7069 QUIC_CONNECTION
*qc
;
7071 qc
= QUIC_CONNECTION_FROM_SSL(s
);
7073 return ossl_quic_get_tick_timeout(qc
, tv
);
7076 sc
= SSL_CONNECTION_FROM_SSL_ONLY(s
);
7077 if (sc
!= NULL
&& SSL_CONNECTION_IS_DTLS(sc
)
7078 && DTLSv1_get_timeout(s
, tv
))
7086 int SSL_get_rpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7088 #ifndef OPENSSL_NO_QUIC
7089 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7094 return ossl_quic_get_rpoll_descriptor(qc
, desc
);
7100 int SSL_get_wpoll_descriptor(SSL
*s
, BIO_POLL_DESCRIPTOR
*desc
)
7102 #ifndef OPENSSL_NO_QUIC
7103 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7108 return ossl_quic_get_wpoll_descriptor(qc
, desc
);
7114 int SSL_want_net_read(SSL
*s
)
7116 #ifndef OPENSSL_NO_QUIC
7117 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7122 return ossl_quic_get_want_net_read(qc
);
7128 int SSL_want_net_write(SSL
*s
)
7130 #ifndef OPENSSL_NO_QUIC
7131 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7136 return ossl_quic_get_want_net_write(qc
);
7142 int SSL_set_blocking_mode(SSL
*s
, int blocking
)
7144 #ifndef OPENSSL_NO_QUIC
7145 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7150 return ossl_quic_conn_set_blocking_mode(qc
, blocking
);
7156 int SSL_get_blocking_mode(SSL
*s
)
7158 #ifndef OPENSSL_NO_QUIC
7159 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7164 return ossl_quic_conn_get_blocking_mode(qc
);
7170 int SSL_set_initial_peer_addr(SSL
*s
, const BIO_ADDR
*peer_addr
)
7172 #ifndef OPENSSL_NO_QUIC
7173 QUIC_CONNECTION
*qc
= QUIC_CONNECTION_FROM_SSL(s
);
7178 return ossl_quic_conn_set_initial_peer_addr(qc
, peer_addr
);