/*
- * ! \file ssl/ssl_cert.c
- */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* ECC cipher suite support in OpenSSL originally developed by
#endif
#include "internal/o_dir.h"
-#include <openssl/objects.h>
+#include <openssl/lhash.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
+#include <openssl/dh.h>
#include <openssl/bn.h>
+#include <openssl/crypto.h>
#include "ssl_locl.h"
+#include "internal/thread_once.h"
-static int ssl_security_default_callback(SSL *s, SSL_CTX *ctx, int op,
- int bits, int nid, void *other,
+static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx,
+ int op, int bits, int nid, void *other,
void *ex);
-int SSL_get_ex_data_X509_STORE_CTX_idx(void)
-{
- static volatile int ssl_x509_store_ctx_idx = -1;
- int got_write_lock = 0;
-
- CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
+static CRYPTO_ONCE ssl_x509_store_ctx_once = CRYPTO_ONCE_STATIC_INIT;
+static volatile int ssl_x509_store_ctx_idx = -1;
- if (ssl_x509_store_ctx_idx < 0) {
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
- got_write_lock = 1;
-
- if (ssl_x509_store_ctx_idx < 0) {
- ssl_x509_store_ctx_idx =
- X509_STORE_CTX_get_ex_new_index(0, "SSL for verify callback",
- NULL, NULL, NULL);
- }
- }
-
- if (got_write_lock)
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
- else
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
-
- return ssl_x509_store_ctx_idx;
+DEFINE_RUN_ONCE_STATIC(ssl_x509_store_ctx_init)
+{
+ ssl_x509_store_ctx_idx = X509_STORE_CTX_get_ex_new_index(0,
+ "SSL for verify callback",
+ NULL, NULL, NULL);
+ return ssl_x509_store_ctx_idx >= 0;
}
-void ssl_cert_set_default_md(CERT *cert)
+int SSL_get_ex_data_X509_STORE_CTX_idx(void)
{
- /* Set digest values to defaults */
-#ifndef OPENSSL_NO_DSA
- cert->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_sha1();
-#endif
-#ifndef OPENSSL_NO_RSA
- cert->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1();
- cert->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1();
-#endif
-#ifndef OPENSSL_NO_EC
- cert->pkeys[SSL_PKEY_ECC].digest = EVP_sha1();
-#endif
+
+ if (!RUN_ONCE(&ssl_x509_store_ctx_once, ssl_x509_store_ctx_init))
+ return -1;
+ return ssl_x509_store_ctx_idx;
}
CERT *ssl_cert_new(void)
{
- CERT *ret = OPENSSL_malloc(sizeof(*ret));
+ CERT *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ return NULL;
}
- memset(ret, 0, sizeof(*ret));
- ret->key = &(ret->pkeys[SSL_PKEY_RSA_ENC]);
+ ret->key = &(ret->pkeys[SSL_PKEY_RSA]);
ret->references = 1;
- ssl_cert_set_default_md(ret);
ret->sec_cb = ssl_security_default_callback;
ret->sec_level = OPENSSL_TLS_SECURITY_LEVEL;
ret->sec_ex = NULL;
- return (ret);
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+
+ return ret;
}
CERT *ssl_cert_dup(CERT *cert)
{
- CERT *ret = OPENSSL_malloc(sizeof(*ret));
+ CERT *ret = OPENSSL_zalloc(sizeof(*ret));
int i;
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ return NULL;
}
- memset(ret, 0, sizeof(*ret));
-
+ ret->references = 1;
ret->key = &ret->pkeys[cert->key - cert->pkeys];
- ret->valid = cert->valid;
- ret->mask_k = cert->mask_k;
- ret->mask_a = cert->mask_a;
- ret->export_mask_k = cert->export_mask_k;
- ret->export_mask_a = cert->export_mask_a;
-
-#ifndef OPENSSL_NO_RSA
- if (cert->rsa_tmp != NULL) {
- RSA_up_ref(cert->rsa_tmp);
- ret->rsa_tmp = cert->rsa_tmp;
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
}
- ret->rsa_tmp_cb = cert->rsa_tmp_cb;
-#endif
-
#ifndef OPENSSL_NO_DH
if (cert->dh_tmp != NULL) {
- ret->dh_tmp = DHparams_dup(cert->dh_tmp);
- if (ret->dh_tmp == NULL) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
- goto err;
- }
- if (cert->dh_tmp->priv_key) {
- BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
- if (!b) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
- goto err;
- }
- ret->dh_tmp->priv_key = b;
- }
- if (cert->dh_tmp->pub_key) {
- BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
- if (!b) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
- goto err;
- }
- ret->dh_tmp->pub_key = b;
- }
+ ret->dh_tmp = cert->dh_tmp;
+ EVP_PKEY_up_ref(ret->dh_tmp);
}
ret->dh_tmp_cb = cert->dh_tmp_cb;
ret->dh_tmp_auto = cert->dh_tmp_auto;
#endif
-#ifndef OPENSSL_NO_EC
- if (cert->ecdh_tmp) {
- ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
- if (ret->ecdh_tmp == NULL) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
- goto err;
- }
- }
- ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
- ret->ecdh_tmp_auto = cert->ecdh_tmp_auto;
-#endif
-
for (i = 0; i < SSL_PKEY_NUM; i++) {
CERT_PKEY *cpk = cert->pkeys + i;
CERT_PKEY *rpk = ret->pkeys + i;
if (cpk->x509 != NULL) {
rpk->x509 = cpk->x509;
- CRYPTO_add(&rpk->x509->references, 1, CRYPTO_LOCK_X509);
+ X509_up_ref(rpk->x509);
}
if (cpk->privatekey != NULL) {
rpk->privatekey = cpk->privatekey;
- CRYPTO_add(&cpk->privatekey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+ EVP_PKEY_up_ref(cpk->privatekey);
}
if (cpk->chain) {
goto err;
}
}
- rpk->valid_flags = 0;
-#ifndef OPENSSL_NO_TLSEXT
if (cert->pkeys[i].serverinfo != NULL) {
/* Just copy everything. */
ret->pkeys[i].serverinfo =
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
goto err;
}
- ret->pkeys[i].serverinfo_length =
- cert->pkeys[i].serverinfo_length;
+ ret->pkeys[i].serverinfo_length = cert->pkeys[i].serverinfo_length;
memcpy(ret->pkeys[i].serverinfo,
- cert->pkeys[i].serverinfo,
- cert->pkeys[i].serverinfo_length);
+ cert->pkeys[i].serverinfo, cert->pkeys[i].serverinfo_length);
}
-#endif
}
- ret->references = 1;
- /*
- * Set digests to defaults. NB: we don't copy existing values as they
- * will be set during handshake.
- */
- ssl_cert_set_default_md(ret);
/* Configured sigalgs copied across */
if (cert->conf_sigalgs) {
- ret->conf_sigalgs = OPENSSL_malloc(cert->conf_sigalgslen);
- if (!ret->conf_sigalgs)
+ ret->conf_sigalgs = OPENSSL_malloc(cert->conf_sigalgslen
+ * sizeof(*cert->conf_sigalgs));
+ if (ret->conf_sigalgs == NULL)
goto err;
- memcpy(ret->conf_sigalgs, cert->conf_sigalgs, cert->conf_sigalgslen);
+ memcpy(ret->conf_sigalgs, cert->conf_sigalgs,
+ cert->conf_sigalgslen * sizeof(*cert->conf_sigalgs));
ret->conf_sigalgslen = cert->conf_sigalgslen;
} else
ret->conf_sigalgs = NULL;
if (cert->client_sigalgs) {
- ret->client_sigalgs = OPENSSL_malloc(cert->client_sigalgslen);
- if (!ret->client_sigalgs)
+ ret->client_sigalgs = OPENSSL_malloc(cert->client_sigalgslen
+ * sizeof(*cert->client_sigalgs));
+ if (ret->client_sigalgs == NULL)
goto err;
memcpy(ret->client_sigalgs, cert->client_sigalgs,
- cert->client_sigalgslen);
+ cert->client_sigalgslen * sizeof(*cert->client_sigalgs));
ret->client_sigalgslen = cert->client_sigalgslen;
} else
ret->client_sigalgs = NULL;
/* Shared sigalgs also NULL */
ret->shared_sigalgs = NULL;
/* Copy any custom client certificate types */
- if (cert->ctypes) {
- ret->ctypes = OPENSSL_malloc(cert->ctype_num);
- if (!ret->ctypes)
+ if (cert->ctype) {
+ ret->ctype = OPENSSL_memdup(cert->ctype, cert->ctype_len);
+ if (ret->ctype == NULL)
goto err;
- memcpy(ret->ctypes, cert->ctypes, cert->ctype_num);
- ret->ctype_num = cert->ctype_num;
+ ret->ctype_len = cert->ctype_len;
}
ret->cert_flags = cert->cert_flags;
ret->cert_cb_arg = cert->cert_cb_arg;
if (cert->verify_store) {
- CRYPTO_add(&cert->verify_store->references, 1,
- CRYPTO_LOCK_X509_STORE);
+ X509_STORE_up_ref(cert->verify_store);
ret->verify_store = cert->verify_store;
}
if (cert->chain_store) {
- CRYPTO_add(&cert->chain_store->references, 1, CRYPTO_LOCK_X509_STORE);
+ X509_STORE_up_ref(cert->chain_store);
ret->chain_store = cert->chain_store;
}
ret->sec_level = cert->sec_level;
ret->sec_ex = cert->sec_ex;
-#ifndef OPENSSL_NO_TLSEXT
- if (!custom_exts_copy(&ret->cli_ext, &cert->cli_ext))
- goto err;
- if (!custom_exts_copy(&ret->srv_ext, &cert->srv_ext))
+ if (!custom_exts_copy(&ret->custext, &cert->custext))
goto err;
+#ifndef OPENSSL_NO_PSK
+ if (cert->psk_identity_hint) {
+ ret->psk_identity_hint = OPENSSL_strdup(cert->psk_identity_hint);
+ if (ret->psk_identity_hint == NULL)
+ goto err;
+ }
#endif
-
- return (ret);
+ return ret;
err:
ssl_cert_free(ret);
cpk->privatekey = NULL;
sk_X509_pop_free(cpk->chain, X509_free);
cpk->chain = NULL;
-#ifndef OPENSSL_NO_TLSEXT
OPENSSL_free(cpk->serverinfo);
cpk->serverinfo = NULL;
cpk->serverinfo_length = 0;
-#endif
- /* Clear all flags apart from explicit sign */
- cpk->valid_flags &= CERT_PKEY_EXPLICIT_SIGN;
}
}
if (c == NULL)
return;
- i = CRYPTO_add(&c->references, -1, CRYPTO_LOCK_SSL_CERT);
-#ifdef REF_PRINT
- REF_PRINT("CERT", c);
-#endif
+ CRYPTO_DOWN_REF(&c->references, &i, c->lock);
+ REF_PRINT_COUNT("CERT", c);
if (i > 0)
return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "ssl_cert_free, bad reference count\n");
- abort(); /* ok */
- }
-#endif
+ REF_ASSERT_ISNT(i < 0);
-#ifndef OPENSSL_NO_RSA
- RSA_free(c->rsa_tmp);
-#endif
#ifndef OPENSSL_NO_DH
- DH_free(c->dh_tmp);
-#endif
-#ifndef OPENSSL_NO_EC
- EC_KEY_free(c->ecdh_tmp);
+ EVP_PKEY_free(c->dh_tmp);
#endif
ssl_cert_clear_certs(c);
OPENSSL_free(c->conf_sigalgs);
OPENSSL_free(c->client_sigalgs);
OPENSSL_free(c->shared_sigalgs);
- OPENSSL_free(c->ctypes);
+ OPENSSL_free(c->ctype);
X509_STORE_free(c->verify_store);
X509_STORE_free(c->chain_store);
-#ifndef OPENSSL_NO_TLSEXT
- custom_exts_free(&c->cli_ext);
- custom_exts_free(&c->srv_ext);
+ custom_exts_free(&c->custext);
+#ifndef OPENSSL_NO_PSK
+ OPENSSL_free(c->psk_identity_hint);
#endif
+ CRYPTO_THREAD_lock_free(c->lock);
OPENSSL_free(c);
}
CERT_PKEY *cpk = s ? s->cert->key : ctx->cert->key;
if (!cpk)
return 0;
- sk_X509_pop_free(cpk->chain, X509_free);
for (i = 0; i < sk_X509_num(chain); i++) {
r = ssl_security_cert(s, ctx, sk_X509_value(chain, i), 0, 0);
if (r != 1) {
return 0;
}
}
+ sk_X509_pop_free(cpk->chain, X509_free);
cpk->chain = chain;
return 1;
}
{
if (!ssl_cert_add0_chain_cert(s, ctx, x))
return 0;
- CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+ X509_up_ref(x);
return 1;
}
c->cert_cb_arg = arg;
}
-SESS_CERT *ssl_sess_cert_new(void)
-{
- SESS_CERT *ret;
-
- ret = OPENSSL_malloc(sizeof(*ret));
- if (ret == NULL) {
- SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
- return NULL;
- }
-
- memset(ret, 0, sizeof(*ret));
- ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
- 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);
-#ifdef REF_PRINT
- REF_PRINT("SESS_CERT", sc);
-#endif
- if (i > 0)
- return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "ssl_sess_cert_free, bad reference count\n");
- abort(); /* ok */
- }
-#endif
-
- /* i == 0 */
- sk_X509_pop_free(sc->cert_chain, X509_free);
- for (i = 0; i < SSL_PKEY_NUM; i++) {
- X509_free(sc->peer_pkeys[i].x509);
-#if 0
- /*
- * We don't have the peer's private key. This line is just
- * here as a reminder that we're still using a not-quite-appropriate
- * data structure.
- */
- EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
-#endif
- }
-
-#ifndef OPENSSL_NO_RSA
- RSA_free(sc->peer_rsa_tmp);
-#endif
-#ifndef OPENSSL_NO_DH
- DH_free(sc->peer_dh_tmp);
-#endif
-#ifndef OPENSSL_NO_EC
- EC_KEY_free(sc->peer_ecdh_tmp);
-#endif
-
- OPENSSL_free(sc);
-}
-
-int ssl_set_peer_cert_type(SESS_CERT *sc, int type)
-{
- sc->peer_cert_type = type;
- return (1);
-}
-
int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk)
{
X509 *x;
- int i;
+ int i = 0;
X509_STORE *verify_store;
- X509_STORE_CTX ctx;
+ X509_STORE_CTX *ctx = NULL;
+ X509_VERIFY_PARAM *param;
+
+ if ((sk == NULL) || (sk_X509_num(sk) == 0))
+ return 0;
if (s->cert->verify_store)
verify_store = s->cert->verify_store;
else
verify_store = s->ctx->cert_store;
- if ((sk == NULL) || (sk_X509_num(sk) == 0))
- return (0);
+ ctx = X509_STORE_CTX_new();
+ if (ctx == NULL) {
+ SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
x = sk_X509_value(sk, 0);
- if (!X509_STORE_CTX_init(&ctx, verify_store, x, sk)) {
+ if (!X509_STORE_CTX_init(ctx, verify_store, x, sk)) {
SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_X509_LIB);
- return (0);
+ goto end;
}
+ param = X509_STORE_CTX_get0_param(ctx);
+ /*
+ * XXX: Separate @AUTHSECLEVEL and @TLSSECLEVEL would be useful at some
+ * point, for now a single @SECLEVEL sets the same policy for TLS crypto
+ * and PKI authentication.
+ */
+ X509_VERIFY_PARAM_set_auth_level(param, SSL_get_security_level(s));
+
/* Set suite B flags if needed */
- X509_STORE_CTX_set_flags(&ctx, tls1_suiteb(s));
- X509_STORE_CTX_set_ex_data(&ctx, SSL_get_ex_data_X509_STORE_CTX_idx(), s);
+ X509_STORE_CTX_set_flags(ctx, tls1_suiteb(s));
+ if (!X509_STORE_CTX_set_ex_data
+ (ctx, SSL_get_ex_data_X509_STORE_CTX_idx(), s)) {
+ goto end;
+ }
+
+ /* Verify via DANE if enabled */
+ if (DANETLS_ENABLED(&s->dane))
+ X509_STORE_CTX_set0_dane(ctx, &s->dane);
/*
* We need to inherit the verify parameters. These can be determined by
* vice versa.
*/
- X509_STORE_CTX_set_default(&ctx, s->server ? "ssl_client" : "ssl_server");
+ X509_STORE_CTX_set_default(ctx, s->server ? "ssl_client" : "ssl_server");
/*
- * Anything non-default in "param" should overwrite anything in the ctx.
+ * Anything non-default in "s->param" should overwrite anything in the ctx.
*/
- X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param);
+ X509_VERIFY_PARAM_set1(param, s->param);
if (s->verify_callback)
- X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
+ X509_STORE_CTX_set_verify_cb(ctx, s->verify_callback);
if (s->ctx->app_verify_callback != NULL)
- i = s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg);
- else {
- i = X509_verify_cert(&ctx);
-# if 0
- /* Dummy error calls so mkerr generates them */
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_EE_KEY_TOO_SMALL);
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_CA_KEY_TOO_SMALL);
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_CA_MD_TOO_WEAK);
-# endif
- if (i > 0)
- i = ssl_security_cert_chain(s, ctx.chain, NULL, 1);
+ i = s->ctx->app_verify_callback(ctx, s->ctx->app_verify_arg);
+ else
+ i = X509_verify_cert(ctx);
+
+ s->verify_result = X509_STORE_CTX_get_error(ctx);
+ sk_X509_pop_free(s->verified_chain, X509_free);
+ s->verified_chain = NULL;
+ if (X509_STORE_CTX_get0_chain(ctx) != NULL) {
+ s->verified_chain = X509_STORE_CTX_get1_chain(ctx);
+ if (s->verified_chain == NULL) {
+ SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
+ i = 0;
+ }
}
- s->verify_result = ctx.error;
- X509_STORE_CTX_cleanup(&ctx);
+ /* Move peername from the store context params to the SSL handle's */
+ X509_VERIFY_PARAM_move_peername(s->param, param);
- return (i);
+ end:
+ X509_STORE_CTX_free(ctx);
+ return i;
}
-static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,
- STACK_OF(X509_NAME) *name_list)
+static void set0_CA_list(STACK_OF(X509_NAME) **ca_list,
+ STACK_OF(X509_NAME) *name_list)
{
sk_X509_NAME_pop_free(*ca_list, X509_NAME_free);
*ca_list = name_list;
}
-STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk)
+STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk)
{
int i;
STACK_OF(X509_NAME) *ret;
X509_NAME *name;
ret = sk_X509_NAME_new_null();
+ if (ret == NULL) {
+ SSLerr(SSL_F_SSL_DUP_CA_LIST, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
for (i = 0; i < sk_X509_NAME_num(sk); i++) {
name = X509_NAME_dup(sk_X509_NAME_value(sk, i));
- if ((name == NULL) || !sk_X509_NAME_push(ret, name)) {
+ if (name == NULL || !sk_X509_NAME_push(ret, name)) {
sk_X509_NAME_pop_free(ret, X509_NAME_free);
- return (NULL);
+ X509_NAME_free(name);
+ return NULL;
}
}
return (ret);
}
-void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
+void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
+{
+ set0_CA_list(&s->ca_names, name_list);
+}
+
+void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
+{
+ set0_CA_list(&ctx->ca_names, name_list);
+}
+
+const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx)
+{
+ return ctx->ca_names;
+}
+
+const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s)
{
- set_client_CA_list(&(s->client_CA), name_list);
+ return s->ca_names != NULL ? s->ca_names : s->ctx->ca_names;
}
void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
{
- set_client_CA_list(&(ctx->client_CA), name_list);
+ SSL_CTX_set0_CA_list(ctx, name_list);
}
STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
{
- return (ctx->client_CA);
+ return ctx->ca_names;
+}
+
+void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
+{
+ SSL_set0_CA_list(s, name_list);
+}
+
+const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s)
+{
+ return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL;
}
STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s)
{
- if (s->type == SSL_ST_CONNECT) { /* we are in the client */
- if (((s->version >> 8) == SSL3_VERSION_MAJOR) && (s->s3 != NULL))
- return (s->s3->tmp.ca_names);
- else
- return (NULL);
- } else {
- if (s->client_CA != NULL)
- return (s->client_CA);
- else
- return (s->ctx->client_CA);
- }
+ if (!s->server)
+ return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL;
+ return s->ca_names != NULL ? s->ca_names : s->ctx->ca_names;
}
-static int add_client_CA(STACK_OF(X509_NAME) **sk, X509 *x)
+static int add_ca_name(STACK_OF(X509_NAME) **sk, const X509 *x)
{
X509_NAME *name;
if (x == NULL)
- return (0);
- if ((*sk == NULL) && ((*sk = sk_X509_NAME_new_null()) == NULL))
- return (0);
+ return 0;
+ if (*sk == NULL && ((*sk = sk_X509_NAME_new_null()) == NULL))
+ return 0;
if ((name = X509_NAME_dup(X509_get_subject_name(x))) == NULL)
- return (0);
+ return 0;
if (!sk_X509_NAME_push(*sk, name)) {
X509_NAME_free(name);
- return (0);
+ return 0;
}
- return (1);
+ return 1;
+}
+
+int SSL_add1_CA_list(SSL *ssl, const X509 *x)
+{
+ return add_ca_name(&ssl->ca_names, x);
+}
+
+int SSL_CTX_add1_CA_list(SSL_CTX *ctx, const X509 *x)
+{
+ return add_ca_name(&ctx->ca_names, x);
}
int SSL_add_client_CA(SSL *ssl, X509 *x)
{
- return (add_client_CA(&(ssl->client_CA), x));
+ return add_ca_name(&ssl->ca_names, x);
}
int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
{
- return (add_client_CA(&(ctx->client_CA), x));
+ return add_ca_name(&ctx->ca_names, x);
}
-static int xname_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
+static int xname_sk_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
{
return (X509_NAME_cmp(*a, *b));
}
-#ifndef OPENSSL_NO_STDIO
+static int xname_cmp(const X509_NAME *a, const X509_NAME *b)
+{
+ return X509_NAME_cmp(a, b);
+}
+
+static unsigned long xname_hash(const X509_NAME *a)
+{
+ return X509_NAME_hash((X509_NAME *)a);
+}
+
/**
* Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
* it doesn't really have anything to do with clients (except that a common use
*/
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
{
- BIO *in;
+ BIO *in = BIO_new(BIO_s_file());
X509 *x = NULL;
X509_NAME *xn = NULL;
- STACK_OF(X509_NAME) *ret = NULL, *sk;
-
- sk = sk_X509_NAME_new(xname_cmp);
-
- in = BIO_new(BIO_s_file_internal());
+ STACK_OF(X509_NAME) *ret = NULL;
+ LHASH_OF(X509_NAME) *name_hash = lh_X509_NAME_new(xname_hash, xname_cmp);
- if ((sk == NULL) || (in == NULL)) {
+ if ((name_hash == NULL) || (in == NULL)) {
SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
goto err;
}
xn = X509_NAME_dup(xn);
if (xn == NULL)
goto err;
- if (sk_X509_NAME_find(sk, xn) >= 0)
+ if (lh_X509_NAME_retrieve(name_hash, xn) != NULL) {
+ /* Duplicate. */
X509_NAME_free(xn);
- else {
- sk_X509_NAME_push(sk, xn);
- sk_X509_NAME_push(ret, xn);
+ xn = NULL;
+ } else {
+ lh_X509_NAME_insert(name_hash, xn);
+ if (!sk_X509_NAME_push(ret, xn))
+ goto err;
}
}
goto done;
err:
+ X509_NAME_free(xn);
sk_X509_NAME_pop_free(ret, X509_NAME_free);
ret = NULL;
done:
- sk_X509_NAME_free(sk);
BIO_free(in);
X509_free(x);
+ lh_X509_NAME_free(name_hash);
if (ret != NULL)
ERR_clear_error();
return (ret);
}
-#endif
/**
* Add a file of certs to a stack.
int ret = 1;
int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b);
- oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_cmp);
+ oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);
- in = BIO_new(BIO_s_file_internal());
+ in = BIO_new(BIO_s_file());
if (in == NULL) {
- SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,
- ERR_R_MALLOC_FAILURE);
+ SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK, ERR_R_MALLOC_FAILURE);
goto err;
}
xn = X509_NAME_dup(xn);
if (xn == NULL)
goto err;
- if (sk_X509_NAME_find(stack, xn) >= 0)
+ if (sk_X509_NAME_find(stack, xn) >= 0) {
+ /* Duplicate. */
X509_NAME_free(xn);
- else
- sk_X509_NAME_push(stack, xn);
+ } else if (!sk_X509_NAME_push(stack, xn)) {
+ X509_NAME_free(xn);
+ goto err;
+ }
}
ERR_clear_error();
goto done;
err:
- ret = 0;
+ ret = 0;
done:
BIO_free(in);
X509_free(x);
const char *filename;
int ret = 0;
- CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
-
/* Note that a side effect is that the CAs will be sorted by name */
while ((filename = OPENSSL_DIR_read(&d, dir))) {
err:
if (d)
OPENSSL_DIR_end(&d);
- CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
- return ret;
-}
-
-/* Add a certificate to a BUF_MEM structure */
-
-static int ssl_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x)
-{
- int n;
- unsigned char *p;
-
- n = i2d_X509(x, NULL);
- if (!BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) {
- SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB);
- return 0;
- }
- p = (unsigned char *)&(buf->data[*l]);
- l2n3(n, p);
- i2d_X509(x, &p);
- *l += n + 3;
-
- return 1;
-}
-
-/* Add certificate chain to internal SSL BUF_MEM strcuture */
-int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l)
-{
- BUF_MEM *buf = s->init_buf;
- int i;
-
- X509 *x;
- STACK_OF(X509) *extra_certs;
- X509_STORE *chain_store;
-
- /* TLSv1 sends a chain with nothing in it, instead of an alert */
- if (!BUF_MEM_grow_clean(buf, 10)) {
- SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, ERR_R_BUF_LIB);
- return 0;
- }
-
- if (!cpk || !cpk->x509)
- return 1;
-
- x = cpk->x509;
-
- /*
- * If we have a certificate specific chain use it, else use parent ctx.
- */
- if (cpk->chain)
- extra_certs = cpk->chain;
- else
- extra_certs = s->ctx->extra_certs;
-
- if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs)
- chain_store = NULL;
- else if (s->cert->chain_store)
- chain_store = s->cert->chain_store;
- else
- chain_store = s->ctx->cert_store;
- if (chain_store) {
- X509_STORE_CTX xs_ctx;
-
- if (!X509_STORE_CTX_init(&xs_ctx, chain_store, x, NULL)) {
- SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, ERR_R_X509_LIB);
- return (0);
- }
- X509_verify_cert(&xs_ctx);
- /* Don't leave errors in the queue */
- ERR_clear_error();
- i = ssl_security_cert_chain(s, xs_ctx.chain, NULL, 0);
- if (i != 1) {
- X509_STORE_CTX_cleanup(&xs_ctx);
- SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);
- return 0;
- }
- for (i = 0; i < sk_X509_num(xs_ctx.chain); i++) {
- x = sk_X509_value(xs_ctx.chain, i);
-
- if (!ssl_add_cert_to_buf(buf, l, x)) {
- X509_STORE_CTX_cleanup(&xs_ctx);
- return 0;
- }
- }
- X509_STORE_CTX_cleanup(&xs_ctx);
- } else {
- i = ssl_security_cert_chain(s, extra_certs, x, 0);
- if (i != 1) {
- SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);
- return 0;
- }
- if (!ssl_add_cert_to_buf(buf, l, x))
- return 0;
- for (i = 0; i < sk_X509_num(extra_certs); i++) {
- x = sk_X509_value(extra_certs, i);
- if (!ssl_add_cert_to_buf(buf, l, x))
- return 0;
- }
- }
- return 1;
+ return ret;
}
/* Build a certificate chain for current certificate */
CERT *c = s ? s->cert : ctx->cert;
CERT_PKEY *cpk = c->key;
X509_STORE *chain_store = NULL;
- X509_STORE_CTX xs_ctx;
+ X509_STORE_CTX *xs_ctx = NULL;
STACK_OF(X509) *chain = NULL, *untrusted = NULL;
X509 *x;
int i, rv = 0;
- unsigned long error;
if (!cpk->x509) {
SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_NO_CERTIFICATE_SET);
/* Rearranging and check the chain: add everything to a store */
if (flags & SSL_BUILD_CHAIN_FLAG_CHECK) {
chain_store = X509_STORE_new();
- if (!chain_store)
+ if (chain_store == NULL)
goto err;
for (i = 0; i < sk_X509_num(cpk->chain); i++) {
x = sk_X509_value(cpk->chain, i);
- if (!X509_STORE_add_cert(chain_store, x)) {
- error = ERR_peek_last_error();
- if (ERR_GET_LIB(error) != ERR_LIB_X509 ||
- ERR_GET_REASON(error) !=
- X509_R_CERT_ALREADY_IN_HASH_TABLE)
- goto err;
- ERR_clear_error();
- }
- }
- /* Add EE cert too: it might be self signed */
- if (!X509_STORE_add_cert(chain_store, cpk->x509)) {
- error = ERR_peek_last_error();
- if (ERR_GET_LIB(error) != ERR_LIB_X509 ||
- ERR_GET_REASON(error) != X509_R_CERT_ALREADY_IN_HASH_TABLE)
+ if (!X509_STORE_add_cert(chain_store, x))
goto err;
- ERR_clear_error();
}
+ /* Add EE cert too: it might be self signed */
+ if (!X509_STORE_add_cert(chain_store, cpk->x509))
+ goto err;
} else {
if (c->chain_store)
chain_store = c->chain_store;
untrusted = cpk->chain;
}
- if (!X509_STORE_CTX_init(&xs_ctx, chain_store, cpk->x509, untrusted)) {
+ xs_ctx = X509_STORE_CTX_new();
+ if (xs_ctx == NULL) {
+ SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!X509_STORE_CTX_init(xs_ctx, chain_store, cpk->x509, untrusted)) {
SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_X509_LIB);
goto err;
}
/* Set suite B flags if needed */
- X509_STORE_CTX_set_flags(&xs_ctx,
+ X509_STORE_CTX_set_flags(xs_ctx,
c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS);
- i = X509_verify_cert(&xs_ctx);
+ i = X509_verify_cert(xs_ctx);
if (i <= 0 && flags & SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR) {
if (flags & SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR)
ERR_clear_error();
rv = 2;
}
if (i > 0)
- chain = X509_STORE_CTX_get1_chain(&xs_ctx);
+ chain = X509_STORE_CTX_get1_chain(xs_ctx);
if (i <= 0) {
SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_CERTIFICATE_VERIFY_FAILED);
- i = X509_STORE_CTX_get_error(&xs_ctx);
+ i = X509_STORE_CTX_get_error(xs_ctx);
ERR_add_error_data(2, "Verify error:",
X509_verify_cert_error_string(i));
- X509_STORE_CTX_cleanup(&xs_ctx);
goto err;
}
- X509_STORE_CTX_cleanup(&xs_ctx);
/* Remove EE certificate from chain */
x = sk_X509_shift(chain);
X509_free(x);
if (sk_X509_num(chain) > 0) {
/* See if last cert is self signed */
x = sk_X509_value(chain, sk_X509_num(chain) - 1);
- X509_check_purpose(x, -1, 0);
- if (x->ex_flags & EXFLAG_SS) {
+ if (X509_get_extension_flags(x) & EXFLAG_SS) {
x = sk_X509_pop(chain);
X509_free(x);
}
err:
if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
X509_STORE_free(chain_store);
+ X509_STORE_CTX_free(xs_ctx);
return rv;
}
X509_STORE_free(*pstore);
*pstore = store;
if (ref && store)
- CRYPTO_add(&store->references, 1, CRYPTO_LOCK_X509_STORE);
+ X509_STORE_up_ref(store);
return 1;
}
-static int ssl_security_default_callback(SSL *s, SSL_CTX *ctx, int op,
- int bits, int nid, void *other,
+static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx,
+ int op, int bits, int nid, void *other,
void *ex)
{
int level, minbits;
level = SSL_CTX_get_security_level(ctx);
else
level = SSL_get_security_level(s);
- /* Level 0: anything goes */
- if (level <= 0)
+
+ if (level <= 0) {
+ /*
+ * No EDH keys weaker than 1024-bits even at level 0, otherwise,
+ * anything goes.
+ */
+ if (op == SSL_SECOP_TMP_DH && bits < 80)
+ return 0;
return 1;
+ }
if (level > 5)
level = 5;
minbits = minbits_table[level - 1];
break;
}
case SSL_SECOP_VERSION:
- /* SSLv3 not allowed on level 2 */
- if (nid <= SSL3_VERSION && level >= 2)
- return 0;
- /* TLS v1.1 and above only for level 3 */
- if (nid <= TLS1_VERSION && level >= 3)
- return 0;
- /* TLS v1.2 only for level 4 and above */
- if (nid <= TLS1_1_VERSION && level >= 4)
- return 0;
+ if (!SSL_IS_DTLS(s)) {
+ /* SSLv3 not allowed at level 2 */
+ if (nid <= SSL3_VERSION && level >= 2)
+ return 0;
+ /* TLS v1.1 and above only for level 3 */
+ if (nid <= TLS1_VERSION && level >= 3)
+ return 0;
+ /* TLS v1.2 only for level 4 and above */
+ if (nid <= TLS1_1_VERSION && level >= 4)
+ return 0;
+ } else {
+ /* DTLS v1.2 only for level 4 and above */
+ if (DTLS_VERSION_LT(nid, DTLS1_2_VERSION) && level >= 4)
+ return 0;
+ }
break;
case SSL_SECOP_COMPRESSION:
return 1;
}
-int ssl_security(SSL *s, int op, int bits, int nid, void *other)
+int ssl_security(const SSL *s, int op, int bits, int nid, void *other)
{
return s->cert->sec_cb(s, NULL, op, bits, nid, other, s->cert->sec_ex);
}
-int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other)
+int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other)
{
return ctx->cert->sec_cb(NULL, ctx, op, bits, nid, other,
ctx->cert->sec_ex);