sl@0: /* pcy_node.c */
sl@0: /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
sl@0:  * project 2004.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <openssl/asn1.h>
sl@0: #include <openssl/x509.h>
sl@0: #include <openssl/x509v3.h>
sl@0: 
sl@0: #include "pcy_int.h"
sl@0: 
sl@0: static int node_cmp(const X509_POLICY_NODE * const *a,
sl@0: 			const X509_POLICY_NODE * const *b)
sl@0: 	{
sl@0: 	return OBJ_cmp((*a)->data->valid_policy, (*b)->data->valid_policy);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void)
sl@0: 	{
sl@0: 	return sk_X509_POLICY_NODE_new(node_cmp);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *nodes,
sl@0: 					const ASN1_OBJECT *id)
sl@0: 	{
sl@0: 	X509_POLICY_DATA n;
sl@0: 	X509_POLICY_NODE l;
sl@0: 	int idx;
sl@0: 
sl@0: 	n.valid_policy = (ASN1_OBJECT *)id;
sl@0: 	l.data = &n;
sl@0: 
sl@0: 	idx = sk_X509_POLICY_NODE_find(nodes, &l);
sl@0: 	if (idx == -1)
sl@0: 		return NULL;
sl@0: 
sl@0: 	return sk_X509_POLICY_NODE_value(nodes, idx);
sl@0: 
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level,
sl@0: 					const ASN1_OBJECT *id)
sl@0: 	{
sl@0: 	return tree_find_sk(level->nodes, id);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
sl@0: 			X509_POLICY_DATA *data,
sl@0: 			X509_POLICY_NODE *parent,
sl@0: 			X509_POLICY_TREE *tree)
sl@0: 	{
sl@0: 	X509_POLICY_NODE *node;
sl@0: 	node = OPENSSL_malloc(sizeof(X509_POLICY_NODE));
sl@0: 	if (!node)
sl@0: 		return NULL;
sl@0: 	node->data = data;
sl@0: 	node->parent = parent;
sl@0: 	node->nchild = 0;
sl@0: 	if (level)
sl@0: 		{
sl@0: 		if (OBJ_obj2nid(data->valid_policy) == NID_any_policy)
sl@0: 			{
sl@0: 			if (level->anyPolicy)
sl@0: 				goto node_error;
sl@0: 			level->anyPolicy = node;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 
sl@0: 			if (!level->nodes)
sl@0: 				level->nodes = policy_node_cmp_new();
sl@0: 			if (!level->nodes)
sl@0: 				goto node_error;
sl@0: 			if (!sk_X509_POLICY_NODE_push(level->nodes, node))
sl@0: 				goto node_error;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (tree)
sl@0: 		{
sl@0: 		if (!tree->extra_data)
sl@0: 			 tree->extra_data = sk_X509_POLICY_DATA_new_null();
sl@0: 		if (!tree->extra_data)
sl@0: 			goto node_error;
sl@0: 		if (!sk_X509_POLICY_DATA_push(tree->extra_data, data))
sl@0: 			goto node_error;
sl@0: 		}
sl@0: 
sl@0: 	if (parent)
sl@0: 		parent->nchild++;
sl@0: 
sl@0: 	return node;
sl@0: 
sl@0: 	node_error:
sl@0: 	policy_node_free(node);
sl@0: 	return 0;
sl@0: 
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void policy_node_free(X509_POLICY_NODE *node)
sl@0: 	{
sl@0: 	OPENSSL_free(node);
sl@0: 	}
sl@0: 
sl@0: