1 /* pcy_int.h */ 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 60 typedef struct X509_POLICY_DATA_st X509_POLICY_DATA; 61 62 DECLARE_STACK_OF(X509_POLICY_DATA) 63 64 /* Internal structures */ 65 66 /* This structure and the field names correspond to the Policy 'node' of 67 * RFC3280. NB this structure contains no pointers to parent or child 68 * data: X509_POLICY_NODE contains that. This means that the main policy data 69 * can be kept static and cached with the certificate. 70 */ 71 72 struct X509_POLICY_DATA_st 73 { 74 unsigned int flags; 75 /* Policy OID and qualifiers for this data */ 76 ASN1_OBJECT *valid_policy; 77 STACK_OF(POLICYQUALINFO) *qualifier_set; 78 STACK_OF(ASN1_OBJECT) *expected_policy_set; 79 }; 80 81 /* X509_POLICY_DATA flags values */ 82 83 /* This flag indicates the structure has been mapped using a policy mapping 84 * extension. If policy mapping is not active its references get deleted. 85 */ 86 87 #define POLICY_DATA_FLAG_MAPPED 0x1 88 89 /* This flag indicates the data doesn't correspond to a policy in Certificate 90 * Policies: it has been mapped to any policy. 91 */ 92 93 #define POLICY_DATA_FLAG_MAPPED_ANY 0x2 94 95 /* AND with flags to see if any mapping has occurred */ 96 97 #define POLICY_DATA_FLAG_MAP_MASK 0x3 98 99 /* qualifiers are shared and shouldn't be freed */ 100 101 #define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4 102 103 /* Parent node is an extra node and should be freed */ 104 105 #define POLICY_DATA_FLAG_EXTRA_NODE 0x8 106 107 /* Corresponding CertificatePolicies is critical */ 108 109 #define POLICY_DATA_FLAG_CRITICAL 0x10 110 111 /* This structure is cached with a certificate */ 112 113 struct X509_POLICY_CACHE_st { 114 /* anyPolicy data or NULL if no anyPolicy */ 115 X509_POLICY_DATA *anyPolicy; 116 /* other policy data */ 117 STACK_OF(X509_POLICY_DATA) *data; 118 /* If InhibitAnyPolicy present this is its value or -1 if absent. */ 119 long any_skip; 120 /* If policyConstraints and requireExplicitPolicy present this is its 121 * value or -1 if absent. 122 */ 123 long explicit_skip; 124 /* If policyConstraints and policyMapping present this is its 125 * value or -1 if absent. 126 */ 127 long map_skip; 128 }; 129 130 /*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/ 131 132 /* This structure represents the relationship between nodes */ 133 134 struct X509_POLICY_NODE_st 135 { 136 /* node data this refers to */ 137 const X509_POLICY_DATA *data; 138 /* Parent node */ 139 X509_POLICY_NODE *parent; 140 /* Number of child nodes */ 141 int nchild; 142 }; 143 144 struct X509_POLICY_LEVEL_st 145 { 146 /* Cert for this level */ 147 X509 *cert; 148 /* nodes at this level */ 149 STACK_OF(X509_POLICY_NODE) *nodes; 150 /* anyPolicy node */ 151 X509_POLICY_NODE *anyPolicy; 152 /* Extra data */ 153 /*STACK_OF(X509_POLICY_DATA) *extra_data;*/ 154 unsigned int flags; 155 }; 156 157 struct X509_POLICY_TREE_st 158 { 159 /* This is the tree 'level' data */ 160 X509_POLICY_LEVEL *levels; 161 int nlevel; 162 /* Extra policy data when additional nodes (not from the certificate) 163 * are required. 164 */ 165 STACK_OF(X509_POLICY_DATA) *extra_data; 166 /* This is the authority constained policy set */ 167 STACK_OF(X509_POLICY_NODE) *auth_policies; 168 STACK_OF(X509_POLICY_NODE) *user_policies; 169 unsigned int flags; 170 }; 171 172 /* Set if anyPolicy present in user policies */ 173 #define POLICY_FLAG_ANY_POLICY 0x2 174 175 /* Useful macros */ 176 177 #define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL) 178 #define node_critical(node) node_data_critical(node->data) 179 180 /* Internal functions */ 181 182 X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, const ASN1_OBJECT *id, 183 int crit); 184 void policy_data_free(X509_POLICY_DATA *data); 185 186 X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache, 187 const ASN1_OBJECT *id); 188 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps); 189 190 191 STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void); 192 193 void policy_cache_init(void); 194 195 void policy_cache_free(X509_POLICY_CACHE *cache); 196 197 X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level, 198 const X509_POLICY_NODE *parent, 199 const ASN1_OBJECT *id); 200 201 X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk, 202 const ASN1_OBJECT *id); 203 204 X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, 205 const X509_POLICY_DATA *data, 206 X509_POLICY_NODE *parent, 207 X509_POLICY_TREE *tree); 208 void policy_node_free(X509_POLICY_NODE *node); 209 int policy_node_match(const X509_POLICY_LEVEL *lvl, 210 const X509_POLICY_NODE *node, const ASN1_OBJECT *oid); 211 212 const X509_POLICY_CACHE *policy_cache_set(X509 *x); 213