Coverage Report

Created: 2022-08-24 06:30

/src/libressl.fuzzers/asn1parse.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 2016 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
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
22
static BIO *bio_out;
23
24
int FuzzerInitialize(int *argc, char ***argv)
25
2
{
26
2
    bio_out = BIO_new_file("/dev/null", "w");
27
2
    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
28
2
    ERR_get_state();
29
2
    return 1;
30
2
}
31
32
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
33
2.17k
{
34
2.17k
    (void)ASN1_parse_dump(bio_out, buf, len, 0, 0);
35
2.17k
    ERR_clear_error();
36
2.17k
    return 0;
37
2.17k
}
38
39
void FuzzerCleanup(void)
40
0
{
41
0
    BIO_free(bio_out);
42
0
}