v3_pcons.c 4.9 KB

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  1. /* v3_pcons.c */
  2. /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
  3. * project.
  4. */
  5. /* ====================================================================
  6. * Copyright (c) 2003 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. #include <stdio.h>
  59. #include "cryptlib.h"
  60. #include <openssl/asn1.h>
  61. #include <openssl/asn1t.h>
  62. #include <openssl/conf.h>
  63. #include <openssl/x509v3.h>
  64. static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
  65. void *bcons, STACK_OF(CONF_VALUE) *extlist);
  66. static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
  67. X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
  68. X509V3_EXT_METHOD v3_policy_constraints = {
  69. NID_policy_constraints, 0,
  70. ASN1_ITEM_ref(POLICY_CONSTRAINTS),
  71. 0,0,0,0,
  72. 0,0,
  73. i2v_POLICY_CONSTRAINTS,
  74. v2i_POLICY_CONSTRAINTS,
  75. NULL,NULL,
  76. NULL
  77. };
  78. ASN1_SEQUENCE(POLICY_CONSTRAINTS) = {
  79. ASN1_IMP_OPT(POLICY_CONSTRAINTS, requireExplicitPolicy, ASN1_INTEGER,0),
  80. ASN1_IMP_OPT(POLICY_CONSTRAINTS, inhibitPolicyMapping, ASN1_INTEGER,1)
  81. } ASN1_SEQUENCE_END(POLICY_CONSTRAINTS)
  82. IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
  83. static STACK_OF(CONF_VALUE) *i2v_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
  84. void *a, STACK_OF(CONF_VALUE) *extlist)
  85. {
  86. POLICY_CONSTRAINTS *pcons = a;
  87. X509V3_add_value_int("Require Explicit Policy",
  88. pcons->requireExplicitPolicy, &extlist);
  89. X509V3_add_value_int("Inhibit Policy Mapping",
  90. pcons->inhibitPolicyMapping, &extlist);
  91. return extlist;
  92. }
  93. static void *v2i_POLICY_CONSTRAINTS(X509V3_EXT_METHOD *method,
  94. X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
  95. {
  96. POLICY_CONSTRAINTS *pcons=NULL;
  97. CONF_VALUE *val;
  98. int i;
  99. if(!(pcons = POLICY_CONSTRAINTS_new())) {
  100. X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
  101. return NULL;
  102. }
  103. for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
  104. val = sk_CONF_VALUE_value(values, i);
  105. if(!strcmp(val->name, "requireExplicitPolicy")) {
  106. if(!X509V3_get_value_int(val,
  107. &pcons->requireExplicitPolicy)) goto err;
  108. } else if(!strcmp(val->name, "inhibitPolicyMapping")) {
  109. if(!X509V3_get_value_int(val,
  110. &pcons->inhibitPolicyMapping)) goto err;
  111. } else {
  112. X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_INVALID_NAME);
  113. X509V3_conf_err(val);
  114. goto err;
  115. }
  116. }
  117. if (!pcons->inhibitPolicyMapping && !pcons->requireExplicitPolicy) {
  118. X509V3err(X509V3_F_V2I_POLICY_CONSTRAINTS, X509V3_R_ILLEGAL_EMPTY_EXTENSION);
  119. goto err;
  120. }
  121. return pcons;
  122. err:
  123. POLICY_CONSTRAINTS_free(pcons);
  124. return NULL;
  125. }