x509.c 1.2 KB

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  1. /*
  2. * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. * https://www.openssl.org/source/license.html
  8. * or in the file LICENSE in the source distribution.
  9. */
  10. #include <openssl/x509.h>
  11. #include <openssl/bio.h>
  12. #include <openssl/err.h>
  13. #include <openssl/rand.h>
  14. #include "fuzzer.h"
  15. int FuzzerInitialize(int *argc, char ***argv)
  16. {
  17. FuzzerSetRand();
  18. OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
  19. ERR_clear_error();
  20. CRYPTO_free_ex_index(0, -1);
  21. return 1;
  22. }
  23. int FuzzerTestOneInput(const uint8_t *buf, size_t len)
  24. {
  25. const unsigned char *p = buf;
  26. unsigned char *der = NULL;
  27. X509 *x509 = d2i_X509(NULL, &p, len);
  28. if (x509 != NULL) {
  29. BIO *bio = BIO_new(BIO_s_null());
  30. /* This will load and print the public key as well as extensions */
  31. X509_print(bio, x509);
  32. BIO_free(bio);
  33. X509_issuer_and_serial_hash(x509);
  34. i2d_X509(x509, &der);
  35. OPENSSL_free(der);
  36. X509_free(x509);
  37. }
  38. ERR_clear_error();
  39. return 0;
  40. }
  41. void FuzzerCleanup(void)
  42. {
  43. FuzzerClearRand();
  44. }