x_attrib.c 4.8 KB

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  1. /* crypto/asn1/x_attrib.c */
  2. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young (eay@cryptsoft.com).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  9. * This library is free for commercial and non-commercial use as long as
  10. * the following conditions are aheared to. The following conditions
  11. * apply to all code found in this distribution, be it the RC4, RSA,
  12. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  13. * included with this distribution is covered by the same copyright terms
  14. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15. *
  16. * Copyright remains Eric Young's, and as such any Copyright notices in
  17. * the code are not to be removed.
  18. * If this package is used in a product, Eric Young should be given attribution
  19. * as the author of the parts of the library used.
  20. * This can be in the form of a textual message at program startup or
  21. * in documentation (online or textual) provided with the package.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  26. * 1. Redistributions of source code must retain the copyright
  27. * notice, this list of conditions and the following disclaimer.
  28. * 2. Redistributions in binary form must reproduce the above copyright
  29. * notice, this list of conditions and the following disclaimer in the
  30. * documentation and/or other materials provided with the distribution.
  31. * 3. All advertising materials mentioning features or use of this software
  32. * must display the following acknowledgement:
  33. * "This product includes cryptographic software written by
  34. * Eric Young (eay@cryptsoft.com)"
  35. * The word 'cryptographic' can be left out if the rouines from the library
  36. * being used are not cryptographic related :-).
  37. * 4. If you include any Windows specific code (or a derivative thereof) from
  38. * the apps directory (application code) you must include an acknowledgement:
  39. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40. *
  41. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51. * SUCH DAMAGE.
  52. *
  53. * The licence and distribution terms for any publically available version or
  54. * derivative of this code cannot be changed. i.e. this code cannot simply be
  55. * copied and put under another distribution licence
  56. * [including the GNU Public Licence.]
  57. */
  58. #include <stdio.h>
  59. #include "cryptlib.h"
  60. #include <openssl/objects.h>
  61. #include <openssl/asn1t.h>
  62. #include <openssl/x509.h>
  63. /* X509_ATTRIBUTE: this has the following form:
  64. *
  65. * typedef struct x509_attributes_st
  66. * {
  67. * ASN1_OBJECT *object;
  68. * int single;
  69. * union {
  70. * char *ptr;
  71. * STACK_OF(ASN1_TYPE) *set;
  72. * ASN1_TYPE *single;
  73. * } value;
  74. * } X509_ATTRIBUTE;
  75. *
  76. * this needs some extra thought because the CHOICE type is
  77. * merged with the main structure and because the value can
  78. * be anything at all we *must* try the SET OF first because
  79. * the ASN1_ANY type will swallow anything including the whole
  80. * SET OF structure.
  81. */
  82. ASN1_CHOICE(X509_ATTRIBUTE_SET) = {
  83. ASN1_SET_OF(X509_ATTRIBUTE, value.set, ASN1_ANY),
  84. ASN1_SIMPLE(X509_ATTRIBUTE, value.single, ASN1_ANY)
  85. } ASN1_CHOICE_END_selector(X509_ATTRIBUTE, X509_ATTRIBUTE_SET, single)
  86. ASN1_SEQUENCE(X509_ATTRIBUTE) = {
  87. ASN1_SIMPLE(X509_ATTRIBUTE, object, ASN1_OBJECT),
  88. /* CHOICE type merged with parent */
  89. ASN1_EX_COMBINE(0, 0, X509_ATTRIBUTE_SET)
  90. } ASN1_SEQUENCE_END(X509_ATTRIBUTE)
  91. IMPLEMENT_ASN1_FUNCTIONS(X509_ATTRIBUTE)
  92. IMPLEMENT_ASN1_DUP_FUNCTION(X509_ATTRIBUTE)
  93. X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value)
  94. {
  95. X509_ATTRIBUTE *ret=NULL;
  96. ASN1_TYPE *val=NULL;
  97. if ((ret=X509_ATTRIBUTE_new()) == NULL)
  98. return(NULL);
  99. ret->object=OBJ_nid2obj(nid);
  100. ret->single=0;
  101. if ((ret->value.set=sk_ASN1_TYPE_new_null()) == NULL) goto err;
  102. if ((val=ASN1_TYPE_new()) == NULL) goto err;
  103. if (!sk_ASN1_TYPE_push(ret->value.set,val)) goto err;
  104. ASN1_TYPE_set(val,atrtype,value);
  105. return(ret);
  106. err:
  107. if (ret != NULL) X509_ATTRIBUTE_free(ret);
  108. if (val != NULL) ASN1_TYPE_free(val);
  109. return(NULL);
  110. }