a_type.c 4.6 KB

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  1. /* crypto/asn1/a_type.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/asn1t.h>
  61. #include <openssl/objects.h>
  62. int ASN1_TYPE_get(ASN1_TYPE *a)
  63. {
  64. if ((a->value.ptr != NULL) || (a->type == V_ASN1_NULL))
  65. return(a->type);
  66. else
  67. return(0);
  68. }
  69. void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value)
  70. {
  71. if (a->value.ptr != NULL)
  72. {
  73. ASN1_TYPE **tmp_a = &a;
  74. ASN1_primitive_free((ASN1_VALUE **)tmp_a, NULL);
  75. }
  76. a->type=type;
  77. a->value.ptr=value;
  78. }
  79. IMPLEMENT_STACK_OF(ASN1_TYPE)
  80. IMPLEMENT_ASN1_SET_OF(ASN1_TYPE)
  81. /* Returns 0 if they are equal, != 0 otherwise. */
  82. int ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b)
  83. {
  84. int result = -1;
  85. if (!a || !b || a->type != b->type) return -1;
  86. switch (a->type)
  87. {
  88. case V_ASN1_OBJECT:
  89. result = OBJ_cmp(a->value.object, b->value.object);
  90. break;
  91. case V_ASN1_NULL:
  92. result = 0; /* They do not have content. */
  93. break;
  94. case V_ASN1_INTEGER:
  95. case V_ASN1_NEG_INTEGER:
  96. case V_ASN1_ENUMERATED:
  97. case V_ASN1_NEG_ENUMERATED:
  98. case V_ASN1_BIT_STRING:
  99. case V_ASN1_OCTET_STRING:
  100. case V_ASN1_SEQUENCE:
  101. case V_ASN1_SET:
  102. case V_ASN1_NUMERICSTRING:
  103. case V_ASN1_PRINTABLESTRING:
  104. case V_ASN1_T61STRING:
  105. case V_ASN1_VIDEOTEXSTRING:
  106. case V_ASN1_IA5STRING:
  107. case V_ASN1_UTCTIME:
  108. case V_ASN1_GENERALIZEDTIME:
  109. case V_ASN1_GRAPHICSTRING:
  110. case V_ASN1_VISIBLESTRING:
  111. case V_ASN1_GENERALSTRING:
  112. case V_ASN1_UNIVERSALSTRING:
  113. case V_ASN1_BMPSTRING:
  114. case V_ASN1_UTF8STRING:
  115. case V_ASN1_OTHER:
  116. default:
  117. result = ASN1_STRING_cmp((ASN1_STRING *) a->value.ptr,
  118. (ASN1_STRING *) b->value.ptr);
  119. break;
  120. }
  121. return result;
  122. }