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 parser used for dumping ASN.1 using "openssl asn1parse". 13 */ 14 15#include <stdio.h> 16#include <openssl/asn1.h> 17#include <openssl/x509.h> 18#include <openssl/x509v3.h> 19#include <openssl/err.h> 20#include "fuzzer.h" 21 22static BIO *bio_out; 23 24int FuzzerInitialize(int *argc, char ***argv) 25{ 26 bio_out = BIO_new_file("/dev/null", "w"); 27 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); 28 ERR_get_state(); 29 CRYPTO_free_ex_index(0, -1); 30 return 1; 31} 32 33int FuzzerTestOneInput(const uint8_t *buf, size_t len) 34{ 35 (void)ASN1_parse_dump(bio_out, buf, len, 0, 0); 36 ERR_clear_error(); 37 return 0; 38} 39 40void FuzzerCleanup(void) 41{ 42 BIO_free(bio_out); 43} 44