lib/libcrypto/x509v3/pcy_lib.c

   1 /* $OpenBSD: pcy_lib.c,v 1.5 2015/02/07 13:19:15 doug Exp $ */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2004.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <openssl/x509.h>
  60 #include <openssl/x509v3.h>
  61
  62 #include "pcy_int.h"
  63
  64 /* accessor functions */
  65
  66 /* X509_POLICY_TREE stuff */
  67
  68 int
  69 X509_policy_tree_level_count(const X509_POLICY_TREE *tree)
  70 {
  71         if (!tree)
  72                 return 0;
  73         return tree->nlevel;
  74 }
  75
  76 X509_POLICY_LEVEL *
  77 X509_policy_tree_get0_level(const X509_POLICY_TREE *tree, int i)
  78 {
  79         if (!tree || (i < 0) || (i >= tree->nlevel))
  80                 return NULL;
  81         return tree->levels + i;
  82 }
  83
  84 STACK_OF(X509_POLICY_NODE) *
  85 X509_policy_tree_get0_policies(const X509_POLICY_TREE *tree)
  86 {
  87         if (!tree)
  88                 return NULL;
  89         return tree->auth_policies;
  90 }
  91
  92 STACK_OF(X509_POLICY_NODE) *
  93 X509_policy_tree_get0_user_policies(const X509_POLICY_TREE *tree)
  94 {
  95         if (!tree)
  96                 return NULL;
  97         if (tree->flags & POLICY_FLAG_ANY_POLICY)
  98                 return tree->auth_policies;
  99         else
 100                 return tree->user_policies;
 101 }
 102
 103 /* X509_POLICY_LEVEL stuff */
 104
 105 int
 106 X509_policy_level_node_count(X509_POLICY_LEVEL *level)
 107 {
 108         int n;
 109         if (!level)
 110                 return 0;
 111         if (level->anyPolicy)
 112                 n = 1;
 113         else
 114                 n = 0;
 115         if (level->nodes)
 116                 n += sk_X509_POLICY_NODE_num(level->nodes);
 117         return n;
 118 }
 119
 120 X509_POLICY_NODE *
 121 X509_policy_level_get0_node(X509_POLICY_LEVEL *level, int i)
 122 {
 123         if (!level)
 124                 return NULL;
 125         if (level->anyPolicy) {
 126                 if (i == 0)
 127                         return level->anyPolicy;
 128                 i--;
 129         }
 130         return sk_X509_POLICY_NODE_value(level->nodes, i);
 131 }
 132
 133 /* X509_POLICY_NODE stuff */
 134
 135 const ASN1_OBJECT *
 136 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) *
 144 X509_policy_node_get0_qualifiers(const X509_POLICY_NODE *node)
 145 {
 146         if (!node)
 147                 return NULL;
 148         return node->data->qualifier_set;
 149 }
 150
 151 const X509_POLICY_NODE *
 152 X509_policy_node_get0_parent(const X509_POLICY_NODE *node)
 153 {
 154         if (!node)
 155                 return NULL;
 156         return node->parent;
 157 }