blob: aa82a5044e6c58445cdce76c42f28573f2fce49b (
plain)
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
|
/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* tar_fuzz.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "util/util.h"
#include "tar.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
int main(int argc, char **argv)
{
tar_header_decoded_t hdr;
int fd, ret;
if (argc != 2) {
fputs("usage: tar_fuzz <tarball>\n", stderr);
return EXIT_FAILURE;
}
fd = open(argv[1], O_RDONLY);
if (fd < 0) {
perror(argv[1]);
return EXIT_FAILURE;
}
for (;;) {
ret = read_header(fd, &hdr);
if (ret > 0)
break;
if (ret < 0)
goto fail;
ret = lseek(fd, hdr.sb.st_size, SEEK_CUR);
clear_header(&hdr);
if (ret)
goto fail;
}
close(fd);
return EXIT_SUCCESS;
fail:
close(fd);
return EXIT_FAILURE;
}
|