openssl/crypto/x509v3/pcy_map.c
Matt Caswell 90945fa31a Continue standardising malloc style for libcrypto
Continuing from previous commit ensure our style is consistent for malloc
return checks.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
2015-11-09 22:48:41 +00:00

132 lines
4.9 KiB
C

/* pcy_map.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2004.
*/
/* ====================================================================
* Copyright (c) 2004 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
* licensing@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).
*
*/
#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "internal/x509_int.h"
#include "pcy_int.h"
/*
* Set policy mapping entries in cache. Note: this modifies the passed
* POLICY_MAPPINGS structure
*/
int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps)
{
POLICY_MAPPING *map;
X509_POLICY_DATA *data;
X509_POLICY_CACHE *cache = x->policy_cache;
int i;
int ret = 0;
if (sk_POLICY_MAPPING_num(maps) == 0) {
ret = -1;
goto bad_mapping;
}
for (i = 0; i < sk_POLICY_MAPPING_num(maps); i++) {
map = sk_POLICY_MAPPING_value(maps, i);
/* Reject if map to or from anyPolicy */
if ((OBJ_obj2nid(map->subjectDomainPolicy) == NID_any_policy)
|| (OBJ_obj2nid(map->issuerDomainPolicy) == NID_any_policy)) {
ret = -1;
goto bad_mapping;
}
/* Attempt to find matching policy data */
data = policy_cache_find_data(cache, map->issuerDomainPolicy);
/* If we don't have anyPolicy can't map */
if (data == NULL && !cache->anyPolicy)
continue;
/* Create a NODE from anyPolicy */
if (data == NULL) {
data = policy_data_new(NULL, map->issuerDomainPolicy,
cache->anyPolicy->flags
& POLICY_DATA_FLAG_CRITICAL);
if (data == NULL)
goto bad_mapping;
data->qualifier_set = cache->anyPolicy->qualifier_set;
/*
* map->issuerDomainPolicy = NULL;
*/
data->flags |= POLICY_DATA_FLAG_MAPPED_ANY;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (!sk_X509_POLICY_DATA_push(cache->data, data)) {
policy_data_free(data);
goto bad_mapping;
}
} else
data->flags |= POLICY_DATA_FLAG_MAPPED;
if (!sk_ASN1_OBJECT_push(data->expected_policy_set,
map->subjectDomainPolicy))
goto bad_mapping;
map->subjectDomainPolicy = NULL;
}
ret = 1;
bad_mapping:
if (ret == -1)
x->ex_flags |= EXFLAG_INVALID_POLICY;
sk_POLICY_MAPPING_pop_free(maps, POLICY_MAPPING_free);
return ret;
}