crypto/x509v3/pcy_lib.c

   1 /* pcy_lib.c */
   2 /*
   3  * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
   4  * 2004.
   5  */
   6 /* ====================================================================
   7  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. All advertising materials mentioning features or use of this
  22  *    software must display the following acknowledgment:
  23  *    "This product includes software developed by the OpenSSL Project
  24  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  25  *
  26  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  27  *    endorse or promote products derived from this software without
  28  *    prior written permission. For written permission, please contact
  29  *    licensing@OpenSSL.org.
  30  *
  31  * 5. Products derived from this software may not be called "OpenSSL"
  32  *    nor may "OpenSSL" appear in their names without prior written
  33  *    permission of the OpenSSL Project.
  34  *
  35  * 6. Redistributions of any form whatsoever must retain the following
  36  *    acknowledgment:
  37  *    "This product includes software developed by the OpenSSL Project
  38  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  41  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  43  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  46  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  47  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  49  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  50  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  51  * OF THE POSSIBILITY OF SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This product includes cryptographic software written by Eric Young
  55  * (eay@cryptsoft.com).  This product includes software written by Tim
  56  * Hudson (tjh@cryptsoft.com).
  57  *
  58  */
  59
  60 #include "internal/cryptlib.h"
  61 #include <openssl/x509.h>
  62 #include <openssl/x509v3.h>
  63
  64 #include "pcy_int.h"
  65
  66 /* accessor functions */
  67
  68 /* X509_POLICY_TREE stuff */
  69
  70 int X509_policy_tree_level_count(const X509_POLICY_TREE *tree)
  71 {
  72     if (!tree)
  73         return 0;
  74     return tree->nlevel;
  75 }
  76
  77 X509_POLICY_LEVEL *X509_policy_tree_get0_level(const X509_POLICY_TREE *tree,
  78                                                int i)
  79 {
  80     if (!tree || (i < 0) || (i >= tree->nlevel))
  81         return NULL;
  82     return tree->levels + i;
  83 }
  84
  85 STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_policies(const
  86                                                            X509_POLICY_TREE
  87                                                            *tree)
  88 {
  89     if (!tree)
  90         return NULL;
  91     return tree->auth_policies;
  92 }
  93
  94 STACK_OF(X509_POLICY_NODE) *X509_policy_tree_get0_user_policies(const
  95                                                                 X509_POLICY_TREE
  96                                                                 *tree)
  97 {
  98     if (!tree)
  99         return NULL;
 100     if (tree->flags & POLICY_FLAG_ANY_POLICY)
 101         return tree->auth_policies;
 102     else
 103         return tree->user_policies;
 104 }
 105
 106 /* X509_POLICY_LEVEL stuff */
 107
 108 int X509_policy_level_node_count(X509_POLICY_LEVEL *level)
 109 {
 110     int n;
 111     if (!level)
 112         return 0;
 113     if (level->anyPolicy)
 114         n = 1;
 115     else
 116         n = 0;
 117     if (level->nodes)
 118         n += sk_X509_POLICY_NODE_num(level->nodes);
 119     return n;
 120 }
 121
 122 X509_POLICY_NODE *X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i)
 123 {
 124     if (!level)
 125         return NULL;
 126     if (level->anyPolicy) {
 127         if (i == 0)
 128             return level->anyPolicy;
 129         i--;
 130     }
 131     return sk_X509_POLICY_NODE_value(level->nodes, i);
 132 }
 133
 134 /* X509_POLICY_NODE stuff */
 135
 136 const ASN1_OBJECT *X509_policy_node_get0_policy(const X509_POLICY_NODE *node)
 137 {
 138     if (!node)
 139         return NULL;
 140     return node->data->valid_policy;
 141 }
 142
 143 STACK_OF(POLICYQUALINFO) *X509_policy_node_get0_qualifiers(const
 144                                                            X509_POLICY_NODE
 145                                                            *node)
 146 {
 147     if (!node)
 148         return NULL;
 149     return node->data->qualifier_set;
 150 }
 151
 152 const X509_POLICY_NODE *X509_policy_node_get0_parent(const X509_POLICY_NODE
 153                                                      *node)
 154 {
 155     if (!node)
 156         return NULL;
 157     return node->parent;
 158 }