Coverage Report

Created: 2022-08-24 06:37

/src/fuzz-targets/pem_cert/target.c
Line
Count
Source
1
/* pem_cert.c
2
 *
3
 * Copyright (C) 2006-2017 wolfSSL Inc.
4
 *
5
 * This file is part of wolfSSL.
6
 *
7
 * wolfSSL is free software; you can redistribute it and/or modify
8
 * it under the terms of the GNU General Public License as published by
9
 * the Free Software Foundation; either version 2 of the License, or
10
 * (at your option) any later version.
11
 *
12
 * wolfSSL is distributed in the hope that it will be useful,
13
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
 * GNU General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU General Public License
18
 * along with this program; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
20
 */
21
22
#include <stdlib.h>
23
#include <stdint.h>
24
25
#include <wolfssl/options.h>
26
#include <wolfssl/ssl.h>
27
28
7.59k
#define WC_MAX_FUZZ_INPUT_SZ 25000
29
30
/* testing wolfSSL_CTX_use_certificate_buffer with PEM as the filetype*/
31
32
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t sz)
33
7.59k
{
34
7.59k
    WOLFSSL_CTX *ctx;
35
7.59k
    int          ret;
36
37
    /* avoid 25s timeout with parsing large files */
38
7.59k
    if (sz > WC_MAX_FUZZ_INPUT_SZ) {
39
3
        return 0;
40
3
    }
41
42
7.59k
    wolfSSL_Init();
43
44
7.59k
    ctx = wolfSSL_CTX_new(wolfTLSv1_2_server_method());
45
46
7.59k
    wolfSSL_CTX_load_verify_buffer(ctx, data, sz, SSL_FILETYPE_PEM);
47
48
7.59k
    wolfSSL_CTX_free(ctx);
49
7.59k
    wolfSSL_Cleanup();
50
7.59k
    return 0;
51
7.59k
}