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pcy_int.h 7.1 KB

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