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2017-02-25 23:55:24 +01:00
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openssl-1.0.2f/crypto/x509v3/pcy_node.c Normal file
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/* pcy_node.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 <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "pcy_int.h"
static int node_cmp(const X509_POLICY_NODE *const *a,
const X509_POLICY_NODE *const *b)
{
return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy);
}
STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void)
{
return sk_X509_POLICY_NODE_new(node_cmp);
}
X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes,
const ASN1_OBJECT *id)
{
X509_POLICY_DATA n;
X509_POLICY_NODE l;
int idx;
n.valid_policy = (ASN1_OBJECT *)id;
l.data = &n;
idx = sk_X509_POLICY_NODE_find(nodes, &l);
if (idx == -1)
return NULL;
return sk_X509_POLICY_NODE_value(nodes, idx);
}
X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
const X509_POLICY_NODE *parent,
const ASN1_OBJECT *id)
{
X509_POLICY_NODE *node;
int i;
for (i = 0; i < sk_X509_POLICY_NODE_num(level->nodes); i++) {
node = sk_X509_POLICY_NODE_value(level->nodes, i);
if (node->parent == parent) {
if (!OBJ_cmp(node->data->valid_policy, id))
return node;
}
}
return NULL;
}
X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
const X509_POLICY_DATA *data,
X509_POLICY_NODE *parent,
X509_POLICY_TREE *tree)
{
X509_POLICY_NODE *node;
node = OPENSSL_malloc(sizeof(X509_POLICY_NODE));
if (!node)
return NULL;
node->data = data;
node->parent = parent;
node->nchild = 0;
if (level) {
if (OBJ_obj2nid(data->valid_policy) == NID_any_policy) {
if (level->anyPolicy)
goto node_error;
level->anyPolicy = node;
} else {
if (!level->nodes)
level->nodes = policy_node_cmp_new();
if (!level->nodes)
goto node_error;
if (!sk_X509_POLICY_NODE_push(level->nodes, node))
goto node_error;
}
}
if (tree) {
if (!tree->extra_data)
tree->extra_data = sk_X509_POLICY_DATA_new_null();
if (!tree->extra_data)
goto node_error;
if (!sk_X509_POLICY_DATA_push(tree->extra_data, data))
goto node_error;
}
if (parent)
parent->nchild++;
return node;
node_error:
policy_node_free(node);
return 0;
}
void policy_node_free(X509_POLICY_NODE *node)
{
OPENSSL_free(node);
}
/*
* See if a policy node matches a policy OID. If mapping enabled look through
* expected policy set otherwise just valid policy.
*/
int policy_node_match(const X509_POLICY_LEVEL *lvl,
const X509_POLICY_NODE *node, const ASN1_OBJECT *oid)
{
int i;
ASN1_OBJECT *policy_oid;
const X509_POLICY_DATA *x = node->data;
if ((lvl->flags & X509_V_FLAG_INHIBIT_MAP)
|| !(x->flags & POLICY_DATA_FLAG_MAP_MASK)) {
if (!OBJ_cmp(x->valid_policy, oid))
return 1;
return 0;
}
for (i = 0; i < sk_ASN1_OBJECT_num(x->expected_policy_set); i++) {
policy_oid = sk_ASN1_OBJECT_value(x->expected_policy_set, i);
if (!OBJ_cmp(policy_oid, oid))
return 1;
}
return 0;
}