/src/libolecf/ossfuzz/item_fuzzer.cc
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | * OSS-Fuzz target for libolecf item type |
3 | | * |
4 | | * Copyright (C) 2008-2024, Joachim Metz <joachim.metz@gmail.com> |
5 | | * |
6 | | * Refer to AUTHORS for acknowledgements. |
7 | | * |
8 | | * This program is free software: you can redistribute it and/or modify |
9 | | * it under the terms of the GNU Lesser General Public License as published by |
10 | | * the Free Software Foundation, either version 3 of the License, or |
11 | | * (at your option) any later version. |
12 | | * |
13 | | * This program is distributed in the hope that it will be useful, |
14 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | | * GNU General Public License for more details. |
17 | | * |
18 | | * You should have received a copy of the GNU Lesser General Public License |
19 | | * along with this program. If not, see <https://www.gnu.org/licenses/>. |
20 | | */ |
21 | | |
22 | | #include <stddef.h> |
23 | | #include <stdint.h> |
24 | | |
25 | | /* Note that some of the OSS-Fuzz engines use C++ |
26 | | */ |
27 | | extern "C" { |
28 | | |
29 | | #include "ossfuzz_libbfio.h" |
30 | | #include "ossfuzz_libolecf.h" |
31 | | |
32 | | #if !defined( LIBOLECF_HAVE_BFIO ) |
33 | | |
34 | | /* Opens a file using a Basic File IO (bfio) handle |
35 | | * Returns 1 if successful or -1 on error |
36 | | */ |
37 | | LIBOLECF_EXTERN \ |
38 | | int libolecf_file_open_file_io_handle( |
39 | | libolecf_file_t *file, |
40 | | libbfio_handle_t *file_io_handle, |
41 | | int access_flags, |
42 | | libolecf_error_t **error ); |
43 | | |
44 | | #endif /* !defined( LIBOLECF_HAVE_BFIO ) */ |
45 | | |
46 | | int LLVMFuzzerTestOneInput( |
47 | | const uint8_t *data, |
48 | | size_t size ) |
49 | 949 | { |
50 | 949 | libbfio_handle_t *file_io_handle = NULL; |
51 | 949 | libolecf_file_t *file = NULL; |
52 | 949 | libolecf_item_t *root_item = NULL; |
53 | 949 | libolecf_item_t *sub_item = NULL; |
54 | 949 | int number_of_sub_items = 0; |
55 | | |
56 | 949 | if( libbfio_memory_range_initialize( |
57 | 949 | &file_io_handle, |
58 | 949 | NULL ) != 1 ) |
59 | 0 | { |
60 | 0 | return( 0 ); |
61 | 0 | } |
62 | 949 | if( libbfio_memory_range_set( |
63 | 949 | file_io_handle, |
64 | 949 | (uint8_t *) data, |
65 | 949 | size, |
66 | 949 | NULL ) != 1 ) |
67 | 0 | { |
68 | 0 | goto on_error_libbfio; |
69 | 0 | } |
70 | 949 | if( libolecf_file_initialize( |
71 | 949 | &file, |
72 | 949 | NULL ) != 1 ) |
73 | 0 | { |
74 | 0 | goto on_error_libbfio; |
75 | 0 | } |
76 | 949 | if( libolecf_file_open_file_io_handle( |
77 | 949 | file, |
78 | 949 | file_io_handle, |
79 | 949 | LIBOLECF_OPEN_READ, |
80 | 949 | NULL ) != 1 ) |
81 | 865 | { |
82 | 865 | goto on_error_libolecf_file; |
83 | 865 | } |
84 | 84 | if( libolecf_file_get_root_item( |
85 | 84 | file, |
86 | 84 | &root_item, |
87 | 84 | NULL ) == 1 ) |
88 | 45 | { |
89 | 45 | if( libolecf_item_get_number_of_sub_items( |
90 | 45 | root_item, |
91 | 45 | &number_of_sub_items, |
92 | 45 | NULL ) != 1 ) |
93 | 0 | { |
94 | 0 | goto on_error_libolecf_root_item; |
95 | 0 | } |
96 | 45 | if( number_of_sub_items > 0 ) |
97 | 31 | { |
98 | 31 | if( libolecf_item_get_sub_item( |
99 | 31 | root_item, |
100 | 31 | 0, |
101 | 31 | &sub_item, |
102 | 31 | NULL ) != 1 ) |
103 | 0 | { |
104 | 0 | goto on_error_libolecf_root_item; |
105 | 0 | } |
106 | 31 | libolecf_item_free( |
107 | 31 | &sub_item, |
108 | 31 | NULL ); |
109 | 31 | } |
110 | 45 | on_error_libolecf_root_item: |
111 | 45 | libolecf_item_free( |
112 | 45 | &root_item, |
113 | 45 | NULL ); |
114 | 45 | } |
115 | 84 | libolecf_file_close( |
116 | 84 | file, |
117 | 84 | NULL ); |
118 | | |
119 | 949 | on_error_libolecf_file: |
120 | 949 | libolecf_file_free( |
121 | 949 | &file, |
122 | 949 | NULL ); |
123 | | |
124 | 949 | on_error_libbfio: |
125 | 949 | libbfio_handle_free( |
126 | 949 | &file_io_handle, |
127 | 949 | NULL ); |
128 | | |
129 | 949 | return( 0 ); |
130 | 949 | } |
131 | | |
132 | | } /* extern "C" */ |
133 | | |