tasn_scn.c 3.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115
  1. /* tasn_scn.c */
  2. /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  3. * project 2010.
  4. */
  5. /* ====================================================================
  6. * Copyright (c) 2010 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 <stddef.h>
  59. #include "cryptlib.h"
  60. #include <openssl/asn1.h>
  61. #include <openssl/asn1t.h>
  62. #include <openssl/objects.h>
  63. #include <openssl/buffer.h>
  64. #include <openssl/err.h>
  65. #include <openssl/x509v3.h>
  66. #include "asn1_locl.h"
  67. /* General ASN1 structure recursive scanner: iterate through all
  68. * fields passing details to a callback.
  69. */
  70. ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb)(ASN1_SCTX *ctx))
  71. {
  72. ASN1_SCTX *ret;
  73. ret = OPENSSL_malloc(sizeof(ASN1_SCTX));
  74. if (ret == NULL)
  75. {
  76. ASN1err(ASN1_F_ASN1_SCTX_NEW, ERR_R_MALLOC_FAILURE);
  77. return NULL;
  78. }
  79. ret->scan_cb = scan_cb;
  80. return ret;
  81. }
  82. void ASN1_SCTX_free(ASN1_SCTX *p)
  83. {
  84. OPENSSL_free(p);
  85. }
  86. const ASN1_ITEM *ASN1_SCTX_get_item(ASN1_SCTX *p)
  87. {
  88. return p->it;
  89. }
  90. const ASN1_TEMPLATE * ASN1_SCTX_get_template(ASN1_SCTX *p)
  91. {
  92. return p->tt;
  93. }
  94. unsigned long ASN1_SCTX_get_flags(ASN1_SCTX *p)
  95. {
  96. return p->flags;
  97. }
  98. void ASN1_SCTX_set_app_data(ASN1_SCTX *p, void *data)
  99. {
  100. p->app_data = data;
  101. }
  102. void *ASN1_SCTX_get_app_data(ASN1_SCTX *p)
  103. {
  104. return p->app_data;
  105. }