fuzz/ct.c

   1 /*
   2  * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL licenses, (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
  11 /*
  12  * Fuzz the SCT parser.
  13  */
  14
  15 #include <stdio.h>
  16 #include <openssl/ct.h>
  17 #include "fuzzer.h"
  18
  19 int FuzzerInitialize(int *argc, char ***argv) {
  20     return 1;
  21 }
  22
  23 int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
  24     const uint8_t **pp = &buf;
  25     unsigned char *der = NULL;
  26     STACK_OF(SCT) *scts = d2i_SCT_LIST(NULL, pp, len);
  27     if (scts != NULL) {
  28         BIO *bio = BIO_new(BIO_s_null());
  29         SCT_LIST_print(scts, bio, 4, "\n", NULL);
  30         BIO_free(bio);
  31
  32         if (i2d_SCT_LIST(scts, &der)) {
  33             /* Silence unused result warning */
  34         }
  35         OPENSSL_free(der);
  36
  37         SCT_LIST_free(scts);
  38     }
  39     return 0;
  40 }