pcy_node.c
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- /* pcy_node.c */
- /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 ASN1_OBJECT *id)
- {
- return tree_find_sk(level->nodes, id);
- }
- X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level,
- 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);
- }