xref: /openssl/fuzz/acert.c (revision 7ed6de99)
1 /*
2  * Copyright 2023-2024 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 #include <openssl/x509_acert.h>
12 #include <openssl/bio.h>
13 #include <openssl/err.h>
14 #include <openssl/rand.h>
15 #include "fuzzer.h"
16 
FuzzerInitialize(int * argc,char *** argv)17 int FuzzerInitialize(int *argc, char ***argv)
18 {
19     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
20     ERR_clear_error();
21     CRYPTO_free_ex_index(0, -1);
22     return 1;
23 }
24 
FuzzerTestOneInput(const uint8_t * buf,size_t len)25 int FuzzerTestOneInput(const uint8_t *buf, size_t len)
26 {
27     const unsigned char *p = buf;
28     unsigned char *der = NULL;
29 
30     X509_ACERT *acert = d2i_X509_ACERT(NULL, &p, len);
31     if (acert != NULL) {
32         BIO *bio = BIO_new(BIO_s_null());
33 
34         X509_ACERT_print(bio, acert);
35         BIO_free(bio);
36 
37         i2d_X509_ACERT(acert, &der);
38         OPENSSL_free(der);
39 
40         X509_ACERT_free(acert);
41     }
42     ERR_clear_error();
43     return 0;
44 }
45 
FuzzerCleanup(void)46 void FuzzerCleanup(void)
47 {
48 }
49