Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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); |