xref: /freebsd/crypto/openssl/fuzz/acert.c (revision e7be843b4a162e68651d3911f0357ed464915629)
1*e7be843bSPierre Pronchery /*
2*e7be843bSPierre Pronchery  * Copyright 2023-2024 The OpenSSL Project Authors. All Rights Reserved.
3*e7be843bSPierre Pronchery  *
4*e7be843bSPierre Pronchery  * Licensed under the Apache License 2.0 (the "License");
5*e7be843bSPierre Pronchery  * you may not use this file except in compliance with the License.
6*e7be843bSPierre Pronchery  * You may obtain a copy of the License at
7*e7be843bSPierre Pronchery  * https://www.openssl.org/source/license.html
8*e7be843bSPierre Pronchery  * or in the file LICENSE in the source distribution.
9*e7be843bSPierre Pronchery  */
10*e7be843bSPierre Pronchery 
11*e7be843bSPierre Pronchery #include <openssl/x509_acert.h>
12*e7be843bSPierre Pronchery #include <openssl/bio.h>
13*e7be843bSPierre Pronchery #include <openssl/err.h>
14*e7be843bSPierre Pronchery #include <openssl/rand.h>
15*e7be843bSPierre Pronchery #include "fuzzer.h"
16*e7be843bSPierre Pronchery 
FuzzerInitialize(int * argc,char *** argv)17*e7be843bSPierre Pronchery int FuzzerInitialize(int *argc, char ***argv)
18*e7be843bSPierre Pronchery {
19*e7be843bSPierre Pronchery     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
20*e7be843bSPierre Pronchery     ERR_clear_error();
21*e7be843bSPierre Pronchery     CRYPTO_free_ex_index(0, -1);
22*e7be843bSPierre Pronchery     return 1;
23*e7be843bSPierre Pronchery }
24*e7be843bSPierre Pronchery 
FuzzerTestOneInput(const uint8_t * buf,size_t len)25*e7be843bSPierre Pronchery int FuzzerTestOneInput(const uint8_t *buf, size_t len)
26*e7be843bSPierre Pronchery {
27*e7be843bSPierre Pronchery     const unsigned char *p = buf;
28*e7be843bSPierre Pronchery     unsigned char *der = NULL;
29*e7be843bSPierre Pronchery 
30*e7be843bSPierre Pronchery     X509_ACERT *acert = d2i_X509_ACERT(NULL, &p, len);
31*e7be843bSPierre Pronchery     if (acert != NULL) {
32*e7be843bSPierre Pronchery         BIO *bio = BIO_new(BIO_s_null());
33*e7be843bSPierre Pronchery 
34*e7be843bSPierre Pronchery         X509_ACERT_print(bio, acert);
35*e7be843bSPierre Pronchery         BIO_free(bio);
36*e7be843bSPierre Pronchery 
37*e7be843bSPierre Pronchery         i2d_X509_ACERT(acert, &der);
38*e7be843bSPierre Pronchery         OPENSSL_free(der);
39*e7be843bSPierre Pronchery 
40*e7be843bSPierre Pronchery         X509_ACERT_free(acert);
41*e7be843bSPierre Pronchery     }
42*e7be843bSPierre Pronchery     ERR_clear_error();
43*e7be843bSPierre Pronchery     return 0;
44*e7be843bSPierre Pronchery }
45*e7be843bSPierre Pronchery 
FuzzerCleanup(void)46*e7be843bSPierre Pronchery void FuzzerCleanup(void)
47*e7be843bSPierre Pronchery {
48*e7be843bSPierre Pronchery }
49