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mirror of https://github.com/openbsd/src.git synced 2025-01-10 06:47:55 -08:00

Merge SESS_CERT into SSL_SESSION.

There is no reason for SESS_CERT to exist - remove it and merge its members
into SSL_SESSION for the time being. More clean up to follow.

ok inoguchi@ tb@
This commit is contained in:
jsing 2022-01-08 12:59:58 +00:00
parent 0f5d253262
commit 7cf55da31c
8 changed files with 76 additions and 171 deletions

View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssl_cert.c,v 1.92 2022/01/08 12:43:44 jsing Exp $ */
/* $OpenBSD: ssl_cert.c,v 1.93 2022/01/08 12:59:58 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@ -347,41 +347,6 @@ ssl_cert_add1_chain_cert(SSL_CERT *c, X509 *cert)
return 1;
}
SESS_CERT *
ssl_sess_cert_new(void)
{
SESS_CERT *ret;
ret = calloc(1, sizeof *ret);
if (ret == NULL) {
SSLerrorx(ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA]);
ret->references = 1;
return ret;
}
void
ssl_sess_cert_free(SESS_CERT *sc)
{
int i;
if (sc == NULL)
return;
i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
if (i > 0)
return;
sk_X509_pop_free(sc->cert_chain, X509_free);
for (i = 0; i < SSL_PKEY_NUM; i++)
X509_free(sc->peer_pkeys[i].x509);
free(sc);
}
int
ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk)
{

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@ -1,4 +1,4 @@
/* $OpenBSD: ssl_clnt.c,v 1.127 2022/01/06 18:23:56 jsing Exp $ */
/* $OpenBSD: ssl_clnt.c,v 1.128 2022/01/08 12:59:58 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@ -1076,7 +1076,6 @@ ssl3_get_server_certificate(SSL *s)
X509 *x = NULL;
const unsigned char *q;
STACK_OF(X509) *sk = NULL;
SESS_CERT *sc;
EVP_PKEY *pkey = NULL;
if ((ret = ssl3_get_message(s, SSL3_ST_CR_CERT_A,
@ -1154,20 +1153,11 @@ ssl3_get_server_certificate(SSL *s)
}
ERR_clear_error(); /* but we keep s->verify_result */
sc = ssl_sess_cert_new();
if (sc == NULL)
goto err;
ssl_sess_cert_free(s->session->sess_cert);
s->session->sess_cert = sc;
sc->cert_chain = sk;
/*
* Inconsistency alert: cert_chain does include the peer's
* certificate, which we don't include in s3_srvr.c
*/
x = sk_X509_value(sk, 0);
sk = NULL;
/* VRS 19990621: possible memory leak; sk=null ==> !sk_pop_free() @end*/
pkey = X509_get_pubkey(x);
@ -1185,20 +1175,21 @@ ssl3_get_server_certificate(SSL *s)
SSLerror(s, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
goto fatal_err;
}
s->session->peer_cert_type = i;
sk_X509_pop_free(s->session->cert_chain, X509_free);
s->session->cert_chain = sk;
sk = NULL;
sc->peer_cert_type = i;
X509_up_ref(x);
/*
* Why would the following ever happen?
* We just created sc a couple of lines ago.
*/
X509_free(sc->peer_pkeys[i].x509);
sc->peer_pkeys[i].x509 = x;
sc->peer_key = &(sc->peer_pkeys[i]);
X509_free(s->session->peer_pkeys[i].x509);
s->session->peer_pkeys[i].x509 = x;
s->session->peer_key = &s->session->peer_pkeys[i];
X509_up_ref(x);
X509_free(s->session->peer);
X509_up_ref(x);
s->session->peer = x;
s->session->verify_result = s->verify_result;
x = NULL;
@ -1225,11 +1216,9 @@ ssl3_get_server_kex_dhe(SSL *s, EVP_PKEY **pkey, CBS *cbs)
{
int nid = NID_dhKeyAgreement;
int invalid_params, invalid_key;
SESS_CERT *sc;
long alg_a;
alg_a = S3I(s)->hs.cipher->algorithm_auth;
sc = s->session->sess_cert;
tls_key_share_free(S3I(s)->hs.key_share);
if ((S3I(s)->hs.key_share = tls_key_share_new_nid(nid)) == NULL)
@ -1254,7 +1243,7 @@ ssl3_get_server_kex_dhe(SSL *s, EVP_PKEY **pkey, CBS *cbs)
}
if (alg_a & SSL_aRSA)
*pkey = X509_get_pubkey(sc->peer_pkeys[SSL_PKEY_RSA].x509);
*pkey = X509_get_pubkey(s->session->peer_pkeys[SSL_PKEY_RSA].x509);
else
/* XXX - Anonymous DH, so no certificate or pkey. */
*pkey = NULL;
@ -1275,11 +1264,9 @@ ssl3_get_server_kex_ecdhe(SSL *s, EVP_PKEY **pkey, CBS *cbs)
CBS public;
uint8_t curve_type;
uint16_t curve_id;
SESS_CERT *sc;
long alg_a;
alg_a = S3I(s)->hs.cipher->algorithm_auth;
sc = s->session->sess_cert;
if (!CBS_get_u8(cbs, &curve_type))
goto decode_err;
@ -1319,9 +1306,9 @@ ssl3_get_server_kex_ecdhe(SSL *s, EVP_PKEY **pkey, CBS *cbs)
* and ECDSA.
*/
if (alg_a & SSL_aRSA)
*pkey = X509_get_pubkey(sc->peer_pkeys[SSL_PKEY_RSA].x509);
*pkey = X509_get_pubkey(s->session->peer_pkeys[SSL_PKEY_RSA].x509);
else if (alg_a & SSL_aECDSA)
*pkey = X509_get_pubkey(sc->peer_pkeys[SSL_PKEY_ECC].x509);
*pkey = X509_get_pubkey(s->session->peer_pkeys[SSL_PKEY_ECC].x509);
else
/* XXX - Anonymous ECDH, so no certificate or pkey. */
*pkey = NULL;
@ -1381,12 +1368,6 @@ ssl3_get_server_key_exchange(SSL *s)
return (1);
}
if (s->session->sess_cert == NULL) {
s->session->sess_cert = ssl_sess_cert_new();
if (s->session->sess_cert == NULL)
goto err;
}
param = CBS_data(&cbs);
param_len = CBS_len(&cbs);
@ -1823,7 +1804,7 @@ ssl3_get_server_done(SSL *s)
}
static int
ssl3_send_client_kex_rsa(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
ssl3_send_client_kex_rsa(SSL *s, CBB *cbb)
{
unsigned char pms[SSL_MAX_MASTER_KEY_LENGTH];
unsigned char *enc_pms = NULL;
@ -1838,7 +1819,7 @@ ssl3_send_client_kex_rsa(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
* RSA-Encrypted Premaster Secret Message - RFC 5246 section 7.4.7.1.
*/
pkey = X509_get_pubkey(sess_cert->peer_pkeys[SSL_PKEY_RSA].x509);
pkey = X509_get_pubkey(s->session->peer_pkeys[SSL_PKEY_RSA].x509);
if (pkey == NULL || (rsa = EVP_PKEY_get0_RSA(pkey)) == NULL) {
SSLerror(s, ERR_R_INTERNAL_ERROR);
goto err;
@ -1890,7 +1871,7 @@ ssl3_send_client_kex_rsa(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
}
static int
ssl3_send_client_kex_dhe(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
ssl3_send_client_kex_dhe(SSL *s, CBB *cbb)
{
uint8_t *key = NULL;
size_t key_len = 0;
@ -1922,7 +1903,7 @@ ssl3_send_client_kex_dhe(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
}
static int
ssl3_send_client_kex_ecdhe(SSL *s, SESS_CERT *sc, CBB *cbb)
ssl3_send_client_kex_ecdhe(SSL *s, CBB *cbb)
{
uint8_t *key = NULL;
size_t key_len = 0;
@ -1961,7 +1942,7 @@ ssl3_send_client_kex_ecdhe(SSL *s, SESS_CERT *sc, CBB *cbb)
}
static int
ssl3_send_client_kex_gost(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
ssl3_send_client_kex_gost(SSL *s, CBB *cbb)
{
unsigned char premaster_secret[32], shared_ukm[32], tmp[256];
EVP_PKEY *pub_key = NULL;
@ -1975,7 +1956,7 @@ ssl3_send_client_kex_gost(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
CBB gostblob;
/* Get server sertificate PKEY and create ctx from it */
peer_cert = sess_cert->peer_pkeys[SSL_PKEY_GOST01].x509;
peer_cert = s->session->peer_pkeys[SSL_PKEY_GOST01].x509;
if (peer_cert == NULL) {
SSLerror(s, SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER);
goto err;
@ -2074,7 +2055,6 @@ ssl3_send_client_kex_gost(SSL *s, SESS_CERT *sess_cert, CBB *cbb)
int
ssl3_send_client_key_exchange(SSL *s)
{
SESS_CERT *sess_cert;
unsigned long alg_k;
CBB cbb, kex;
@ -2083,28 +2063,21 @@ ssl3_send_client_key_exchange(SSL *s)
if (S3I(s)->hs.state == SSL3_ST_CW_KEY_EXCH_A) {
alg_k = S3I(s)->hs.cipher->algorithm_mkey;
if ((sess_cert = s->session->sess_cert) == NULL) {
ssl3_send_alert(s, SSL3_AL_FATAL,
SSL_AD_UNEXPECTED_MESSAGE);
SSLerror(s, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl3_handshake_msg_start(s, &cbb, &kex,
SSL3_MT_CLIENT_KEY_EXCHANGE))
goto err;
if (alg_k & SSL_kRSA) {
if (!ssl3_send_client_kex_rsa(s, sess_cert, &kex))
if (!ssl3_send_client_kex_rsa(s, &kex))
goto err;
} else if (alg_k & SSL_kDHE) {
if (!ssl3_send_client_kex_dhe(s, sess_cert, &kex))
if (!ssl3_send_client_kex_dhe(s, &kex))
goto err;
} else if (alg_k & SSL_kECDHE) {
if (!ssl3_send_client_kex_ecdhe(s, sess_cert, &kex))
if (!ssl3_send_client_kex_ecdhe(s, &kex))
goto err;
} else if (alg_k & SSL_kGOST) {
if (ssl3_send_client_kex_gost(s, sess_cert, &kex) != 1)
if (ssl3_send_client_kex_gost(s, &kex) != 1)
goto err;
} else {
ssl3_send_alert(s, SSL3_AL_FATAL,
@ -2481,11 +2454,10 @@ ssl3_send_client_certificate(SSL *s)
int
ssl3_check_cert_and_algorithm(SSL *s)
{
int i, idx;
long alg_k, alg_a;
EVP_PKEY *pkey = NULL;
SESS_CERT *sc;
long alg_k, alg_a;
EVP_PKEY *pkey = NULL;
int nid = NID_undef;
int i, idx;
alg_k = S3I(s)->hs.cipher->algorithm_mkey;
alg_a = S3I(s)->hs.cipher->algorithm_auth;
@ -2494,21 +2466,15 @@ ssl3_check_cert_and_algorithm(SSL *s)
if (alg_a & SSL_aNULL)
return (1);
sc = s->session->sess_cert;
if (sc == NULL) {
SSLerror(s, ERR_R_INTERNAL_ERROR);
goto err;
}
if (S3I(s)->hs.key_share != NULL)
nid = tls_key_share_nid(S3I(s)->hs.key_share);
/* This is the passed certificate. */
idx = sc->peer_cert_type;
idx = s->session->peer_cert_type;
if (idx == SSL_PKEY_ECC) {
if (ssl_check_srvr_ecc_cert_and_alg(
sc->peer_pkeys[idx].x509, s) == 0) {
s->session->peer_pkeys[idx].x509, s) == 0) {
/* check failed */
SSLerror(s, SSL_R_BAD_ECC_CERT);
goto fatal_err;
@ -2516,8 +2482,8 @@ ssl3_check_cert_and_algorithm(SSL *s)
return (1);
}
}
pkey = X509_get_pubkey(sc->peer_pkeys[idx].x509);
i = X509_certificate_type(sc->peer_pkeys[idx].x509, pkey);
pkey = X509_get_pubkey(s->session->peer_pkeys[idx].x509);
i = X509_certificate_type(s->session->peer_pkeys[idx].x509, pkey);
EVP_PKEY_free(pkey);
/* Check that we have a certificate if we require one. */
@ -2536,9 +2502,10 @@ ssl3_check_cert_and_algorithm(SSL *s)
}
return (1);
fatal_err:
ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
err:
return (0);
}

View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssl_lib.c,v 1.282 2022/01/08 12:43:44 jsing Exp $ */
/* $OpenBSD: ssl_lib.c,v 1.283 2022/01/08 12:59:58 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@ -883,20 +883,14 @@ SSL_get_peer_certificate(const SSL *s)
STACK_OF(X509) *
SSL_get_peer_cert_chain(const SSL *s)
{
STACK_OF(X509) *r;
if ((s == NULL) || (s->session == NULL) ||
(s->session->sess_cert == NULL))
r = NULL;
else
r = s->session->sess_cert->cert_chain;
if (s == NULL || s->session == NULL)
return NULL;
/*
* If we are a client, cert_chain includes the peer's own
* certificate;
* if we are a server, it does not.
* certificate; if we are a server, it does not.
*/
return (r);
return s->session->cert_chain;
}
STACK_OF(X509) *

View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssl_locl.h,v 1.378 2022/01/08 12:54:32 jsing Exp $ */
/* $OpenBSD: ssl_locl.h,v 1.379 2022/01/08 12:59:59 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@ -511,8 +511,15 @@ struct ssl_session_st {
* not_resumable_session_cb to disable session caching and tickets. */
int not_resumable;
/* The cert is the certificate used to establish this connection */
struct sess_cert_st /* SESS_CERT */ *sess_cert;
STACK_OF(X509) *cert_chain; /* as received from peer */
/* The 'peer_...' members are used only by clients. */
int peer_cert_type;
/* Obviously we don't have the private keys of these,
* so maybe we shouldn't even use the SSL_CERT_PKEY type here. */
SSL_CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
SSL_CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
size_t tlsext_ecpointformatlist_length;
uint8_t *tlsext_ecpointformatlist; /* peer's list */
@ -1216,20 +1223,6 @@ typedef struct ssl3_state_st {
struct ssl3_state_internal_st *internal;
} SSL3_STATE;
typedef struct sess_cert_st {
STACK_OF(X509) *cert_chain; /* as received from peer */
/* The 'peer_...' members are used only by clients. */
int peer_cert_type;
SSL_CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
SSL_CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
/* Obviously we don't have the private keys of these,
* so maybe we shouldn't even use the SSL_CERT_PKEY type here. */
int references; /* actually always 1 at the moment */
} SESS_CERT;
/*#define SSL_DEBUG */
/*#define RSA_DEBUG */
@ -1295,8 +1288,6 @@ int ssl_cert_set1_chain(SSL_CERT *c, STACK_OF(X509) *chain);
int ssl_cert_add0_chain_cert(SSL_CERT *c, X509 *cert);
int ssl_cert_add1_chain_cert(SSL_CERT *c, X509 *cert);
SESS_CERT *ssl_sess_cert_new(void);
void ssl_sess_cert_free(SESS_CERT *sc);
int ssl_get_new_session(SSL *s, int session);
int ssl_get_prev_session(SSL *s, CBS *session_id, CBS *ext_block,
int *alert);

View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssl_sess.c,v 1.106 2021/10/25 10:01:46 jsing Exp $ */
/* $OpenBSD: ssl_sess.c,v 1.107 2022/01/08 12:59:59 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@ -230,6 +230,8 @@ SSL_SESSION_new(void)
ss->next = NULL;
ss->tlsext_hostname = NULL;
ss->peer_key = &ss->peer_pkeys[SSL_PKEY_RSA];
ss->tlsext_ecpointformatlist_length = 0;
ss->tlsext_ecpointformatlist = NULL;
ss->tlsext_supportedgroups_length = 0;
@ -760,7 +762,9 @@ SSL_SESSION_free(SSL_SESSION *ss)
explicit_bzero(ss->master_key, sizeof ss->master_key);
explicit_bzero(ss->session_id, sizeof ss->session_id);
ssl_sess_cert_free(ss->sess_cert);
sk_X509_pop_free(ss->cert_chain, X509_free);
for (i = 0; i < SSL_PKEY_NUM; i++)
X509_free(ss->peer_pkeys[i].x509);
X509_free(ss->peer);

View File

@ -1,4 +1,4 @@
/* $OpenBSD: ssl_srvr.c,v 1.133 2022/01/08 12:43:44 jsing Exp $ */
/* $OpenBSD: ssl_srvr.c,v 1.134 2022/01/08 12:59:59 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@ -2235,29 +2235,17 @@ ssl3_get_client_certificate(SSL *s)
X509_free(s->session->peer);
s->session->peer = sk_X509_shift(sk);
s->session->verify_result = s->verify_result;
/*
* With the current implementation, sess_cert will always be NULL
* when we arrive here
*/
if (s->session->sess_cert == NULL) {
s->session->sess_cert = ssl_sess_cert_new();
if (s->session->sess_cert == NULL) {
SSLerror(s, ERR_R_MALLOC_FAILURE);
goto err;
}
}
sk_X509_pop_free(s->session->sess_cert->cert_chain, X509_free);
s->session->sess_cert->cert_chain = sk;
/*
* Inconsistency alert: cert_chain does *not* include the
* peer's own certificate, while we do include it in s3_clnt.c
*/
sk_X509_pop_free(s->session->cert_chain, X509_free);
s->session->cert_chain = sk;
sk = NULL;
s->session->verify_result = s->verify_result;
ret = 1;
if (0) {
decode_err:

View File

@ -1,4 +1,4 @@
/* $OpenBSD: tls13_client.c,v 1.90 2022/01/08 12:43:44 jsing Exp $ */
/* $OpenBSD: tls13_client.c,v 1.91 2022/01/08 12:59:59 jsing Exp $ */
/*
* Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org>
*
@ -628,21 +628,19 @@ tls13_server_certificate_recv(struct tls13_ctx *ctx, CBS *cbs)
if ((cert_idx = ssl_cert_type(cert, pkey)) < 0)
goto err;
ssl_sess_cert_free(s->session->sess_cert);
if ((s->session->sess_cert = ssl_sess_cert_new()) == NULL)
goto err;
s->session->sess_cert->cert_chain = certs;
sk_X509_pop_free(s->session->cert_chain, X509_free);
s->session->cert_chain = certs;
certs = NULL;
X509_up_ref(cert);
s->session->sess_cert->peer_pkeys[cert_idx].x509 = cert;
s->session->sess_cert->peer_key = &(s->session->sess_cert->peer_pkeys[cert_idx]);
X509_free(s->session->peer);
X509_free(s->session->peer_pkeys[cert_idx].x509);
s->session->peer_pkeys[cert_idx].x509 = cert;
s->session->peer_key = &s->session->peer_pkeys[cert_idx];
X509_up_ref(cert);
X509_free(s->session->peer);
s->session->peer = cert;
s->session->verify_result = s->verify_result;
if (ctx->ocsp_status_recv_cb != NULL &&

View File

@ -1,4 +1,4 @@
/* $OpenBSD: tls13_server.c,v 1.92 2022/01/08 12:43:45 jsing Exp $ */
/* $OpenBSD: tls13_server.c,v 1.93 2022/01/08 12:59:59 jsing Exp $ */
/*
* Copyright (c) 2019, 2020 Joel Sing <jsing@openbsd.org>
* Copyright (c) 2020 Bob Beck <beck@openbsd.org>
@ -921,21 +921,19 @@ tls13_client_certificate_recv(struct tls13_ctx *ctx, CBS *cbs)
if ((cert_idx = ssl_cert_type(cert, pkey)) < 0)
goto err;
ssl_sess_cert_free(s->session->sess_cert);
if ((s->session->sess_cert = ssl_sess_cert_new()) == NULL)
goto err;
s->session->sess_cert->cert_chain = certs;
sk_X509_pop_free(s->session->cert_chain, X509_free);
s->session->cert_chain = certs;
certs = NULL;
X509_up_ref(cert);
s->session->sess_cert->peer_pkeys[cert_idx].x509 = cert;
s->session->sess_cert->peer_key = &(s->session->sess_cert->peer_pkeys[cert_idx]);
X509_free(s->session->peer);
X509_free(s->session->peer_pkeys[cert_idx].x509);
s->session->peer_pkeys[cert_idx].x509 = cert;
s->session->peer_key = &s->session->peer_pkeys[cert_idx];
X509_up_ref(cert);
X509_free(s->session->peer);
s->session->peer = cert;
s->session->verify_result = s->verify_result;
ctx->handshake_stage.hs_type |= WITH_CCV;