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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 | { | |
26 | bio_out = BIO_new_file("/dev/null", "w"); | |
27 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); | |
28 | ERR_clear_error(); | |
29 | CRYPTO_free_ex_index(0, -1); | |
30 | return 1; | |
31 | } | |
32 | ||
33 | int 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 | ||
40 | void FuzzerCleanup(void) | |
41 | { | |
42 | BIO_free(bio_out); | |
43 | } |