1 /* pcy_int.h */ 2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 DECLARE_STACK_OF(X509_POLICY_DATA) 60 DECLARE_STACK_OF(X509_POLICY_REF) 61 DECLARE_STACK_OF(X509_POLICY_NODE) 62 63 typedef struct X509_POLICY_DATA_st X509_POLICY_DATA; 64 typedef struct X509_POLICY_REF_st X509_POLICY_REF; 65 66 /* Internal structures */ 67 68 /* This structure and the field names correspond to the Policy 'node' of 69 * RFC3280. NB this structure contains no pointers to parent or child 70 * data: X509_POLICY_NODE contains that. This means that the main policy data 71 * can be kept static and cached with the certificate. 72 */ 73 74 struct X509_POLICY_DATA_st 75 { 76 unsigned int flags; 77 /* Policy OID and qualifiers for this data */ 78 ASN1_OBJECT *valid_policy; 79 STACK_OF(POLICYQUALINFO) *qualifier_set; 80 STACK_OF(ASN1_OBJECT) *expected_policy_set; 81 }; 82 83 /* X509_POLICY_DATA flags values */ 84 85 /* This flag indicates the structure has been mapped using a policy mapping 86 * extension. If policy mapping is not active its references get deleted. 87 */ 88 89 #define POLICY_DATA_FLAG_MAPPED 0x1 90 91 /* This flag indicates the data doesn't correspond to a policy in Certificate 92 * Policies: it has been mapped to any policy. 93 */ 94 95 #define POLICY_DATA_FLAG_MAPPED_ANY 0x2 96 97 /* AND with flags to see if any mapping has occurred */ 98 99 #define POLICY_DATA_FLAG_MAP_MASK 0x3 100 101 /* qualifiers are shared and shouldn't be freed */ 102 103 #define POLICY_DATA_FLAG_SHARED_QUALIFIERS 0x4 104 105 /* Parent node is an extra node and should be freed */ 106 107 #define POLICY_DATA_FLAG_EXTRA_NODE 0x8 108 109 /* Corresponding CertificatePolicies is critical */ 110 111 #define POLICY_DATA_FLAG_CRITICAL 0x10 112 113 /* This structure is an entry from a table of mapped policies which 114 * cross reference the policy it refers to. 115 */ 116 117 struct X509_POLICY_REF_st 118 { 119 ASN1_OBJECT *subjectDomainPolicy; 120 const X509_POLICY_DATA *data; 121 }; 122 123 /* This structure is cached with a certificate */ 124 125 struct X509_POLICY_CACHE_st { 126 /* anyPolicy data or NULL if no anyPolicy */ 127 X509_POLICY_DATA *anyPolicy; 128 /* other policy data */ 129 STACK_OF(X509_POLICY_DATA) *data; 130 /* If policyMappings extension present a table of mapped policies */ 131 STACK_OF(X509_POLICY_REF) *maps; 132 /* If InhibitAnyPolicy present this is its value or -1 if absent. */ 133 long any_skip; 134 /* If policyConstraints and requireExplicitPolicy present this is its 135 * value or -1 if absent. 136 */ 137 long explicit_skip; 138 /* If policyConstraints and policyMapping present this is its 139 * value or -1 if absent. 140 */ 141 long map_skip; 142 }; 143 144 /*#define POLICY_CACHE_FLAG_CRITICAL POLICY_DATA_FLAG_CRITICAL*/ 145 146 /* This structure represents the relationship between nodes */ 147 148 struct X509_POLICY_NODE_st 149 { 150 /* node data this refers to */ 151 const X509_POLICY_DATA *data; 152 /* Parent node */ 153 X509_POLICY_NODE *parent; 154 /* Number of child nodes */ 155 int nchild; 156 }; 157 158 struct X509_POLICY_LEVEL_st 159 { 160 /* Cert for this level */ 161 X509 *cert; 162 /* nodes at this level */ 163 STACK_OF(X509_POLICY_NODE) *nodes; 164 /* anyPolicy node */ 165 X509_POLICY_NODE *anyPolicy; 166 /* Extra data */ 167 /*STACK_OF(X509_POLICY_DATA) *extra_data;*/ 168 unsigned int flags; 169 }; 170 171 struct X509_POLICY_TREE_st 172 { 173 /* This is the tree 'level' data */ 174 X509_POLICY_LEVEL *levels; 175 int nlevel; 176 /* Extra policy data when additional nodes (not from the certificate) 177 * are required. 178 */ 179 STACK_OF(X509_POLICY_DATA) *extra_data; 180 /* This is the authority constained policy set */ 181 STACK_OF(X509_POLICY_NODE) *auth_policies; 182 STACK_OF(X509_POLICY_NODE) *user_policies; 183 unsigned int flags; 184 }; 185 186 /* Set if anyPolicy present in user policies */ 187 #define POLICY_FLAG_ANY_POLICY 0x2 188 189 /* Useful macros */ 190 191 #define node_data_critical(data) (data->flags & POLICY_DATA_FLAG_CRITICAL) 192 #define node_critical(node) node_data_critical(node->data) 193 194 /* Internal functions */ 195 196 X509_POLICY_DATA *policy_data_new(POLICYINFO *policy, ASN1_OBJECT *id, 197 int crit); 198 void policy_data_free(X509_POLICY_DATA *data); 199 200 X509_POLICY_DATA *policy_cache_find_data(const X509_POLICY_CACHE *cache, 201 const ASN1_OBJECT *id); 202 int policy_cache_set_mapping(X509 *x, POLICY_MAPPINGS *maps); 203 204 205 STACK_OF(X509_POLICY_NODE) *policy_node_cmp_new(void); 206 207 void policy_cache_init(void); 208 209 void policy_cache_free(X509_POLICY_CACHE *cache); 210 211 X509_POLICY_NODE *level_find_node(const X509_POLICY_LEVEL *level, 212 const ASN1_OBJECT *id); 213 214 X509_POLICY_NODE *tree_find_sk(STACK_OF(X509_POLICY_NODE) *sk, 215 const ASN1_OBJECT *id); 216 217 X509_POLICY_NODE *level_add_node(X509_POLICY_LEVEL *level, 218 X509_POLICY_DATA *data, 219 X509_POLICY_NODE *parent, 220 X509_POLICY_TREE *tree); 221 void policy_node_free(X509_POLICY_NODE *node); 222 223 const X509_POLICY_CACHE *policy_cache_set(X509 *x); 224