1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* OSS-Fuzz target for libfshfs volume type
*
* Copyright (C) 2009-2024, Joachim Metz <joachim.metz@gmail.com>
*
* Refer to AUTHORS for acknowledgements.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <stdint.h>
/* Note that some of the OSS-Fuzz engines use C++
*/
extern "C" {
#include "ossfuzz_libbfio.h"
#include "ossfuzz_libfshfs.h"
#if !defined( LIBFSHFS_HAVE_BFIO )
/* Opens a volume using a Basic File IO (bfio) handle
* Returns 1 if successful or -1 on error
*/
LIBFSHFS_EXTERN \
int libfshfs_volume_open_file_io_handle(
libfshfs_volume_t *volume,
libbfio_handle_t *file_io_handle,
int access_flags,
libfshfs_error_t **error );
#endif /* !defined( LIBFSHFS_HAVE_BFIO ) */
int LLVMFuzzerTestOneInput(
const uint8_t *data,
size_t size )
{
uint8_t string_value[ 64 ];
libbfio_handle_t *file_io_handle = NULL;
libfshfs_volume_t *volume = NULL;
size_t string_size = 0;
int result = 0;
if( libbfio_memory_range_initialize(
&file_io_handle,
NULL ) != 1 )
{
return( 0 );
}
if( libbfio_memory_range_set(
file_io_handle,
(uint8_t *) data,
size,
NULL ) != 1 )
{
goto on_error_libbfio;
}
if( libfshfs_volume_initialize(
&volume,
NULL ) != 1 )
{
goto on_error_libbfio;
}
result = libfshfs_volume_open_file_io_handle(
volume,
file_io_handle,
LIBFSHFS_OPEN_READ,
NULL );
if( result != -1 )
{
libfshfs_volume_get_utf8_name_size(
volume,
&string_size,
NULL );
libfshfs_volume_get_utf8_name(
volume,
string_value,
64,
NULL );
libfshfs_volume_close(
volume,
NULL );
}
libfshfs_volume_free(
&volume,
NULL );
on_error_libbfio:
libbfio_handle_free(
&file_io_handle,
NULL );
return( 0 );
}
} /* extern "C" */
|
