xref: /openssl/fuzz/v3name.c (revision 55aab29c)
1 /*
2  * Copyright 2012-2023 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <string.h>
11 #include <openssl/e_os2.h>
12 #include <openssl/x509.h>
13 #include <openssl/x509v3.h>
14 #include "internal/nelem.h"
15 #include "fuzzer.h"
16 
FuzzerInitialize(int * argc,char *** argv)17 int FuzzerInitialize(int *argc, char ***argv)
18 {
19     return 1;
20 }
21 
FuzzerTestOneInput(const uint8_t * data,size_t size)22 int FuzzerTestOneInput(const uint8_t* data, size_t size){
23     GENERAL_NAME *namesa;
24     GENERAL_NAME *namesb;
25 
26     const unsigned char *derp = data;
27     /*
28      * We create two versions of each GENERAL_NAME so that we ensure when
29      * we compare them they are always different pointers.
30      */
31     namesa = d2i_GENERAL_NAME(NULL, &derp, size);
32     derp = data;
33     namesb = d2i_GENERAL_NAME(NULL, &derp, size);
34     GENERAL_NAME_cmp(namesa, namesb);
35     if (namesa != NULL)
36         GENERAL_NAME_free(namesa);
37     if (namesb != NULL)
38         GENERAL_NAME_free(namesb);
39     return 0;
40 }
41 
FuzzerCleanup(void)42 void FuzzerCleanup(void)
43 {
44 }
45