A local copy of OpenSSL from GitHub
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  1. /*
  2. * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the OpenSSL license (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. #ifdef OPENSSL_NO_CT
  10. # error "CT is disabled"
  11. #endif
  12. #include "ct_locl.h"
  13. static char *i2s_poison(const X509V3_EXT_METHOD *method, void *val)
  14. {
  15. return OPENSSL_strdup("NULL");
  16. }
  17. static void *s2i_poison(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str)
  18. {
  19. return ASN1_NULL_new();
  20. }
  21. static int i2r_SCT_LIST(X509V3_EXT_METHOD *method, STACK_OF(SCT) *sct_list,
  22. BIO *out, int indent)
  23. {
  24. SCT_LIST_print(sct_list, out, indent, "\n", NULL);
  25. return 1;
  26. }
  27. /* Handlers for X509v3/OCSP Certificate Transparency extensions */
  28. const X509V3_EXT_METHOD v3_ct_scts[] = {
  29. /* X509v3 extension in certificates that contains SCTs */
  30. { NID_ct_precert_scts, 0, NULL,
  31. NULL, (X509V3_EXT_FREE)SCT_LIST_free,
  32. (X509V3_EXT_D2I)d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST,
  33. NULL, NULL,
  34. NULL, NULL,
  35. (X509V3_EXT_I2R)i2r_SCT_LIST, NULL,
  36. NULL },
  37. /* X509v3 extension to mark a certificate as a pre-certificate */
  38. { NID_ct_precert_poison, 0, ASN1_ITEM_ref(ASN1_NULL),
  39. NULL, NULL, NULL, NULL,
  40. i2s_poison, s2i_poison,
  41. NULL, NULL,
  42. NULL, NULL,
  43. NULL },
  44. /* OCSP extension that contains SCTs */
  45. { NID_ct_cert_scts, 0, NULL,
  46. 0, (X509V3_EXT_FREE)SCT_LIST_free,
  47. (X509V3_EXT_D2I)d2i_SCT_LIST, (X509V3_EXT_I2D)i2d_SCT_LIST,
  48. NULL, NULL,
  49. NULL, NULL,
  50. (X509V3_EXT_I2R)i2r_SCT_LIST, NULL,
  51. NULL },
  52. };