800 lines
23 KiB
C
800 lines
23 KiB
C
/*
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* ! \file ssl/ssl_cert.c
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*/
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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/* ====================================================================
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* Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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* ECC cipher suite support in OpenSSL originally developed by
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* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
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*/
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#include <stdio.h>
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#include "e_os.h"
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#ifndef NO_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#include "o_dir.h"
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#include <openssl/objects.h>
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#include <openssl/bio.h>
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#include <openssl/pem.h>
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#include <openssl/x509v3.h>
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#ifndef OPENSSL_NO_DH
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# include <openssl/dh.h>
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#endif
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#include <openssl/bn.h>
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#include "ssl_locl.h"
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int SSL_get_ex_data_X509_STORE_CTX_idx(void)
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{
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static volatile int ssl_x509_store_ctx_idx = -1;
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int got_write_lock = 0;
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CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
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if (ssl_x509_store_ctx_idx < 0) {
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CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
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CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
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got_write_lock = 1;
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if (ssl_x509_store_ctx_idx < 0) {
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ssl_x509_store_ctx_idx =
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X509_STORE_CTX_get_ex_new_index(0, "SSL for verify callback",
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NULL, NULL, NULL);
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}
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}
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if (got_write_lock)
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CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
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else
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CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
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return ssl_x509_store_ctx_idx;
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}
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static void ssl_cert_set_default_md(CERT *cert)
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{
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/* Set digest values to defaults */
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#ifndef OPENSSL_NO_DSA
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cert->pkeys[SSL_PKEY_DSA_SIGN].digest = EVP_sha1();
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#endif
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#ifndef OPENSSL_NO_RSA
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cert->pkeys[SSL_PKEY_RSA_SIGN].digest = EVP_sha1();
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cert->pkeys[SSL_PKEY_RSA_ENC].digest = EVP_sha1();
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#endif
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#ifndef OPENSSL_NO_ECDSA
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cert->pkeys[SSL_PKEY_ECC].digest = EVP_sha1();
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#endif
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}
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CERT *ssl_cert_new(void)
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{
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CERT *ret;
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ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
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if (ret == NULL) {
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SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
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return (NULL);
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}
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memset(ret, 0, sizeof(CERT));
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ret->key = &(ret->pkeys[SSL_PKEY_RSA_ENC]);
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ret->references = 1;
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ssl_cert_set_default_md(ret);
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return (ret);
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}
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CERT *ssl_cert_dup(CERT *cert)
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{
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CERT *ret;
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int i;
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ret = (CERT *)OPENSSL_malloc(sizeof(CERT));
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if (ret == NULL) {
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SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
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return (NULL);
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}
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memset(ret, 0, sizeof(CERT));
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ret->references = 1;
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ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]];
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/*
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* or ret->key = ret->pkeys + (cert->key - cert->pkeys), if you find that
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* more readable
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*/
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ret->valid = cert->valid;
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ret->mask_k = cert->mask_k;
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ret->mask_a = cert->mask_a;
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ret->export_mask_k = cert->export_mask_k;
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ret->export_mask_a = cert->export_mask_a;
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#ifndef OPENSSL_NO_RSA
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if (cert->rsa_tmp != NULL) {
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RSA_up_ref(cert->rsa_tmp);
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ret->rsa_tmp = cert->rsa_tmp;
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}
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ret->rsa_tmp_cb = cert->rsa_tmp_cb;
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#endif
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#ifndef OPENSSL_NO_DH
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if (cert->dh_tmp != NULL) {
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ret->dh_tmp = DHparams_dup(cert->dh_tmp);
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if (ret->dh_tmp == NULL) {
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SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
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goto err;
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}
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if (cert->dh_tmp->priv_key) {
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BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
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if (!b) {
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SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
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goto err;
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}
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ret->dh_tmp->priv_key = b;
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}
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if (cert->dh_tmp->pub_key) {
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BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
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if (!b) {
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SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
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goto err;
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}
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ret->dh_tmp->pub_key = b;
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}
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}
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ret->dh_tmp_cb = cert->dh_tmp_cb;
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#endif
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#ifndef OPENSSL_NO_ECDH
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if (cert->ecdh_tmp) {
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ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp);
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if (ret->ecdh_tmp == NULL) {
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SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB);
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goto err;
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}
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}
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ret->ecdh_tmp_cb = cert->ecdh_tmp_cb;
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#endif
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for (i = 0; i < SSL_PKEY_NUM; i++) {
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if (cert->pkeys[i].x509 != NULL) {
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ret->pkeys[i].x509 = cert->pkeys[i].x509;
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CRYPTO_add(&ret->pkeys[i].x509->references, 1, CRYPTO_LOCK_X509);
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}
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if (cert->pkeys[i].privatekey != NULL) {
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ret->pkeys[i].privatekey = cert->pkeys[i].privatekey;
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CRYPTO_add(&ret->pkeys[i].privatekey->references, 1,
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CRYPTO_LOCK_EVP_PKEY);
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}
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}
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/*
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* ret->extra_certs *should* exist, but currently the own certificate
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* chain is held inside SSL_CTX
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*/
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/*
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* Set digests to defaults. NB: we don't copy existing values as they
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* will be set during handshake.
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*/
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ssl_cert_set_default_md(ret);
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return (ret);
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#if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH)
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err:
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#endif
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#ifndef OPENSSL_NO_RSA
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if (ret->rsa_tmp != NULL)
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RSA_free(ret->rsa_tmp);
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#endif
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#ifndef OPENSSL_NO_DH
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if (ret->dh_tmp != NULL)
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DH_free(ret->dh_tmp);
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#endif
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#ifndef OPENSSL_NO_ECDH
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if (ret->ecdh_tmp != NULL)
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EC_KEY_free(ret->ecdh_tmp);
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#endif
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for (i = 0; i < SSL_PKEY_NUM; i++) {
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if (ret->pkeys[i].x509 != NULL)
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X509_free(ret->pkeys[i].x509);
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if (ret->pkeys[i].privatekey != NULL)
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EVP_PKEY_free(ret->pkeys[i].privatekey);
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}
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return NULL;
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}
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void ssl_cert_free(CERT *c)
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{
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int i;
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if (c == NULL)
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return;
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i = CRYPTO_add(&c->references, -1, CRYPTO_LOCK_SSL_CERT);
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#ifdef REF_PRINT
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REF_PRINT("CERT", c);
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#endif
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if (i > 0)
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return;
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#ifdef REF_CHECK
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if (i < 0) {
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fprintf(stderr, "ssl_cert_free, bad reference count\n");
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abort(); /* ok */
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}
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#endif
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#ifndef OPENSSL_NO_RSA
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if (c->rsa_tmp)
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RSA_free(c->rsa_tmp);
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#endif
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#ifndef OPENSSL_NO_DH
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if (c->dh_tmp)
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DH_free(c->dh_tmp);
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#endif
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#ifndef OPENSSL_NO_ECDH
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if (c->ecdh_tmp)
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EC_KEY_free(c->ecdh_tmp);
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#endif
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for (i = 0; i < SSL_PKEY_NUM; i++) {
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if (c->pkeys[i].x509 != NULL)
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X509_free(c->pkeys[i].x509);
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if (c->pkeys[i].privatekey != NULL)
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EVP_PKEY_free(c->pkeys[i].privatekey);
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#if 0
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if (c->pkeys[i].publickey != NULL)
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EVP_PKEY_free(c->pkeys[i].publickey);
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#endif
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}
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OPENSSL_free(c);
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}
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int ssl_cert_inst(CERT **o)
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{
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/*
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* Create a CERT if there isn't already one (which cannot really happen,
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* as it is initially created in SSL_CTX_new; but the earlier code
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* usually allows for that one being non-existant, so we follow that
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* behaviour, as it might turn out that there actually is a reason for it
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* -- but I'm not sure that *all* of the existing code could cope with
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* s->cert being NULL, otherwise we could do without the initialization
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* in SSL_CTX_new).
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*/
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if (o == NULL) {
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SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER);
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return (0);
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}
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if (*o == NULL) {
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if ((*o = ssl_cert_new()) == NULL) {
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SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE);
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return (0);
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}
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}
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return (1);
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}
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SESS_CERT *ssl_sess_cert_new(void)
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{
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SESS_CERT *ret;
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ret = OPENSSL_malloc(sizeof *ret);
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if (ret == NULL) {
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SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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memset(ret, 0, sizeof *ret);
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ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]);
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ret->references = 1;
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return ret;
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}
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void ssl_sess_cert_free(SESS_CERT *sc)
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{
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int i;
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if (sc == NULL)
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return;
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i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT);
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#ifdef REF_PRINT
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REF_PRINT("SESS_CERT", sc);
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#endif
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if (i > 0)
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return;
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#ifdef REF_CHECK
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if (i < 0) {
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fprintf(stderr, "ssl_sess_cert_free, bad reference count\n");
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abort(); /* ok */
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}
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#endif
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/* i == 0 */
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if (sc->cert_chain != NULL)
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sk_X509_pop_free(sc->cert_chain, X509_free);
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for (i = 0; i < SSL_PKEY_NUM; i++) {
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if (sc->peer_pkeys[i].x509 != NULL)
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X509_free(sc->peer_pkeys[i].x509);
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#if 0 /* We don't have the peer's private key.
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* These lines are just * here as a reminder
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* that we're still using a
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* not-quite-appropriate * data structure. */
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if (sc->peer_pkeys[i].privatekey != NULL)
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EVP_PKEY_free(sc->peer_pkeys[i].privatekey);
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#endif
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}
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#ifndef OPENSSL_NO_RSA
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if (sc->peer_rsa_tmp != NULL)
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RSA_free(sc->peer_rsa_tmp);
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#endif
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#ifndef OPENSSL_NO_DH
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if (sc->peer_dh_tmp != NULL)
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DH_free(sc->peer_dh_tmp);
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#endif
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#ifndef OPENSSL_NO_ECDH
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if (sc->peer_ecdh_tmp != NULL)
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EC_KEY_free(sc->peer_ecdh_tmp);
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#endif
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OPENSSL_free(sc);
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}
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int ssl_set_peer_cert_type(SESS_CERT *sc, int type)
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{
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sc->peer_cert_type = type;
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return (1);
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}
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int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk)
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{
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X509 *x;
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int i;
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X509_STORE_CTX ctx;
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if ((sk == NULL) || (sk_X509_num(sk) == 0))
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return (0);
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x = sk_X509_value(sk, 0);
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if (!X509_STORE_CTX_init(&ctx, s->ctx->cert_store, x, sk)) {
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SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_X509_LIB);
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return (0);
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}
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#if 0
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if (SSL_get_verify_depth(s) >= 0)
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X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s));
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#endif
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X509_STORE_CTX_set_ex_data(&ctx, SSL_get_ex_data_X509_STORE_CTX_idx(), s);
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/*
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* We need to inherit the verify parameters. These can be determined by
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* the context: if its a server it will verify SSL client certificates or
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* vice versa.
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*/
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|
|
X509_STORE_CTX_set_default(&ctx, s->server ? "ssl_client" : "ssl_server");
|
|
/*
|
|
* Anything non-default in "param" should overwrite anything in the ctx.
|
|
*/
|
|
X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param);
|
|
|
|
if (s->verify_callback)
|
|
X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
|
|
|
|
if (s->ctx->app_verify_callback != NULL)
|
|
#if 1 /* new with OpenSSL 0.9.7 */
|
|
i = s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg);
|
|
#else
|
|
i = s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */
|
|
#endif
|
|
else {
|
|
#ifndef OPENSSL_NO_X509_VERIFY
|
|
i = X509_verify_cert(&ctx);
|
|
#else
|
|
i = 0;
|
|
ctx.error = X509_V_ERR_APPLICATION_VERIFICATION;
|
|
SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_NO_VERIFY_CALLBACK);
|
|
#endif
|
|
}
|
|
|
|
s->verify_result = ctx.error;
|
|
X509_STORE_CTX_cleanup(&ctx);
|
|
|
|
return (i);
|
|
}
|
|
|
|
static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,
|
|
STACK_OF(X509_NAME) *name_list)
|
|
{
|
|
if (*ca_list != NULL)
|
|
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)
|
|
{
|
|
int i;
|
|
STACK_OF(X509_NAME) *ret;
|
|
X509_NAME *name;
|
|
|
|
ret = sk_X509_NAME_new_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)) {
|
|
sk_X509_NAME_pop_free(ret, X509_NAME_free);
|
|
return (NULL);
|
|
}
|
|
}
|
|
return (ret);
|
|
}
|
|
|
|
void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
|
|
{
|
|
set_client_CA_list(&(s->client_CA), name_list);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
|
|
{
|
|
return (ctx->client_CA);
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
static int add_client_CA(STACK_OF(X509_NAME) **sk, X509 *x)
|
|
{
|
|
X509_NAME *name;
|
|
|
|
if (x == NULL)
|
|
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);
|
|
|
|
if (!sk_X509_NAME_push(*sk, name)) {
|
|
X509_NAME_free(name);
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int SSL_add_client_CA(SSL *ssl, X509 *x)
|
|
{
|
|
return (add_client_CA(&(ssl->client_CA), x));
|
|
}
|
|
|
|
int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
|
|
{
|
|
return (add_client_CA(&(ctx->client_CA), x));
|
|
}
|
|
|
|
static int xname_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
|
|
{
|
|
return (X509_NAME_cmp(*a, *b));
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_STDIO
|
|
/**
|
|
* 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
|
|
* for a stack of CAs is to send it to the client). Actually, it doesn't have
|
|
* much to do with CAs, either, since it will load any old cert.
|
|
* \param file the file containing one or more certs.
|
|
* \return a ::STACK containing the certs.
|
|
*/
|
|
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
|
|
{
|
|
BIO *in;
|
|
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());
|
|
|
|
if ((sk == NULL) || (in == NULL)) {
|
|
SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
|
|
if (!BIO_read_filename(in, file))
|
|
goto err;
|
|
|
|
for (;;) {
|
|
if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
|
|
break;
|
|
if (ret == NULL) {
|
|
ret = sk_X509_NAME_new_null();
|
|
if (ret == NULL) {
|
|
SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
}
|
|
if ((xn = X509_get_subject_name(x)) == NULL)
|
|
goto err;
|
|
/* check for duplicates */
|
|
xn = X509_NAME_dup(xn);
|
|
if (xn == NULL)
|
|
goto err;
|
|
if (sk_X509_NAME_find(sk, xn) >= 0)
|
|
X509_NAME_free(xn);
|
|
else {
|
|
sk_X509_NAME_push(sk, xn);
|
|
sk_X509_NAME_push(ret, xn);
|
|
}
|
|
}
|
|
|
|
if (0) {
|
|
err:
|
|
if (ret != NULL)
|
|
sk_X509_NAME_pop_free(ret, X509_NAME_free);
|
|
ret = NULL;
|
|
}
|
|
if (sk != NULL)
|
|
sk_X509_NAME_free(sk);
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
if (x != NULL)
|
|
X509_free(x);
|
|
if (ret != NULL)
|
|
ERR_clear_error();
|
|
return (ret);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Add a file of certs to a stack.
|
|
* \param stack the stack to add to.
|
|
* \param file the file to add from. All certs in this file that are not
|
|
* already in the stack will be added.
|
|
* \return 1 for success, 0 for failure. Note that in the case of failure some
|
|
* certs may have been added to \c stack.
|
|
*/
|
|
|
|
int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
|
|
const char *file)
|
|
{
|
|
BIO *in;
|
|
X509 *x = NULL;
|
|
X509_NAME *xn = NULL;
|
|
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);
|
|
|
|
in = BIO_new(BIO_s_file_internal());
|
|
|
|
if (in == NULL) {
|
|
SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,
|
|
ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
|
|
if (!BIO_read_filename(in, file))
|
|
goto err;
|
|
|
|
for (;;) {
|
|
if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
|
|
break;
|
|
if ((xn = X509_get_subject_name(x)) == NULL)
|
|
goto err;
|
|
xn = X509_NAME_dup(xn);
|
|
if (xn == NULL)
|
|
goto err;
|
|
if (sk_X509_NAME_find(stack, xn) >= 0)
|
|
X509_NAME_free(xn);
|
|
else
|
|
sk_X509_NAME_push(stack, xn);
|
|
}
|
|
|
|
ERR_clear_error();
|
|
|
|
if (0) {
|
|
err:
|
|
ret = 0;
|
|
}
|
|
if (in != NULL)
|
|
BIO_free(in);
|
|
if (x != NULL)
|
|
X509_free(x);
|
|
|
|
(void)sk_X509_NAME_set_cmp_func(stack, oldcmp);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Add a directory of certs to a stack.
|
|
* \param stack the stack to append to.
|
|
* \param dir the directory to append from. All files in this directory will be
|
|
* examined as potential certs. Any that are acceptable to
|
|
* SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
|
|
* included.
|
|
* \return 1 for success, 0 for failure. Note that in the case of failure some
|
|
* certs may have been added to \c stack.
|
|
*/
|
|
|
|
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
|
|
const char *dir)
|
|
{
|
|
OPENSSL_DIR_CTX *d = NULL;
|
|
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))) {
|
|
char buf[1024];
|
|
int r;
|
|
|
|
if (strlen(dir) + strlen(filename) + 2 > sizeof buf) {
|
|
SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,
|
|
SSL_R_PATH_TOO_LONG);
|
|
goto err;
|
|
}
|
|
#ifdef OPENSSL_SYS_VMS
|
|
r = BIO_snprintf(buf, sizeof buf, "%s%s", dir, filename);
|
|
#else
|
|
r = BIO_snprintf(buf, sizeof buf, "%s/%s", dir, filename);
|
|
#endif
|
|
if (r <= 0 || r >= (int)sizeof(buf))
|
|
goto err;
|
|
if (!SSL_add_file_cert_subjects_to_stack(stack, buf))
|
|
goto err;
|
|
}
|
|
|
|
if (errno) {
|
|
SYSerr(SYS_F_OPENDIR, get_last_sys_error());
|
|
ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')");
|
|
SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
|
|
goto err;
|
|
}
|
|
|
|
ret = 1;
|
|
|
|
err:
|
|
if (d)
|
|
OPENSSL_DIR_end(&d);
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
|
|
return ret;
|
|
}
|