v3_bcons.c 4.5 KB

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  1. /* v3_bcons.c */
  2. /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
  3. * project 1999.
  4. */
  5. /* ====================================================================
  6. * Copyright (c) 1999 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_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist);
  65. static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values);
  66. X509V3_EXT_METHOD v3_bcons = {
  67. NID_basic_constraints, 0,
  68. ASN1_ITEM_ref(BASIC_CONSTRAINTS),
  69. 0,0,0,0,
  70. 0,0,
  71. (X509V3_EXT_I2V)i2v_BASIC_CONSTRAINTS,
  72. (X509V3_EXT_V2I)v2i_BASIC_CONSTRAINTS,
  73. NULL,NULL,
  74. NULL
  75. };
  76. ASN1_SEQUENCE(BASIC_CONSTRAINTS) = {
  77. ASN1_OPT(BASIC_CONSTRAINTS, ca, ASN1_FBOOLEAN),
  78. ASN1_OPT(BASIC_CONSTRAINTS, pathlen, ASN1_INTEGER)
  79. } ASN1_SEQUENCE_END(BASIC_CONSTRAINTS)
  80. IMPLEMENT_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
  81. static STACK_OF(CONF_VALUE) *i2v_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
  82. BASIC_CONSTRAINTS *bcons, STACK_OF(CONF_VALUE) *extlist)
  83. {
  84. X509V3_add_value_bool("CA", bcons->ca, &extlist);
  85. X509V3_add_value_int("pathlen", bcons->pathlen, &extlist);
  86. return extlist;
  87. }
  88. static BASIC_CONSTRAINTS *v2i_BASIC_CONSTRAINTS(X509V3_EXT_METHOD *method,
  89. X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values)
  90. {
  91. BASIC_CONSTRAINTS *bcons=NULL;
  92. CONF_VALUE *val;
  93. int i;
  94. if(!(bcons = BASIC_CONSTRAINTS_new())) {
  95. X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, ERR_R_MALLOC_FAILURE);
  96. return NULL;
  97. }
  98. for(i = 0; i < sk_CONF_VALUE_num(values); i++) {
  99. val = sk_CONF_VALUE_value(values, i);
  100. if(!strcmp(val->name, "CA")) {
  101. if(!X509V3_get_value_bool(val, &bcons->ca)) goto err;
  102. } else if(!strcmp(val->name, "pathlen")) {
  103. if(!X509V3_get_value_int(val, &bcons->pathlen)) goto err;
  104. } else {
  105. X509V3err(X509V3_F_V2I_BASIC_CONSTRAINTS, X509V3_R_INVALID_NAME);
  106. X509V3_conf_err(val);
  107. goto err;
  108. }
  109. }
  110. return bcons;
  111. err:
  112. BASIC_CONSTRAINTS_free(bcons);
  113. return NULL;
  114. }