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1 | /* |
2 | * Copyright (C) 2017 Tobias Brunner | |
3 | * HSR Hochschule fuer Technik Rapperswil | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation; either version 2 of the License, or (at your | |
8 | * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
12 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | * for more details. | |
14 | */ | |
15 | ||
16 | #include <stdio.h> | |
17 | #include <stdlib.h> | |
18 | #include <errno.h> | |
19 | #include <library.h> | |
20 | ||
21 | extern int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size); | |
22 | __attribute__((weak)) extern int LLVMFuzzerInitialize(int *argc, char ***argv); | |
23 | ||
24 | /** | |
25 | * This is a simple driver for the fuzz targets to verify test inputs outside | |
26 | * of OSS-Fuzz. | |
27 | * | |
28 | * Failures will usually cause crashes. | |
29 | */ | |
30 | int main(int argc, char **argv) | |
31 | { | |
32 | chunk_t *data; | |
33 | int i, res = 0; | |
34 | ||
35 | fprintf(stderr, "%s: running %d inputs\n", argv[0], argc - 1); | |
36 | if (LLVMFuzzerInitialize) | |
37 | { | |
38 | LLVMFuzzerInitialize(&argc, &argv); | |
39 | } | |
40 | for (i = 1; i < argc; i++) | |
41 | { | |
42 | fprintf(stderr, "running: %s\n", argv[i]); | |
43 | data = chunk_map(argv[i], FALSE); | |
44 | if (!data) | |
45 | { | |
46 | fprintf(stderr, "opening %s failed: %s\n", argv[i], strerror(errno)); | |
47 | return 1; | |
48 | } | |
49 | res = LLVMFuzzerTestOneInput(data->ptr, data->len); | |
50 | fprintf(stderr, "done: %s: (%zd bytes)\n", argv[i], data->len); | |
51 | chunk_unmap(data); | |
52 | if (res) | |
53 | { | |
54 | break; | |
55 | } | |
56 | } | |
57 | fprintf(stderr, "%s: completed %d inputs\n", argv[0], i-1); | |
58 | return res; | |
59 | } |