blob: dcede791c6c83f4fcf3f0edcfc656067dfcf6c78 (
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
|
/* SPDX-License-Identifier: MIT
* Copyright (c) 2026 Leah Rowe <leah@libreboot.org>
*/
#include <stdio.h>
#include <string.h>
#include "include/common.h"
#define MAX_ALLOC (1 << 17)
static int rigged(char **s);
int
main(int argc, char *argv[])
{
char *s = "You lose!";
int lucky = rigged(&s);
#ifdef __OpenBSD__
if (pledge("stdio", NULL) == -1)
err_no_cleanup(0, errno, "openbsd wins");
#endif
printf("%s\n", s);
return lucky;
}
static int
rigged(char **s) /* are u lucky? */
{
size_t size[2] = { rsize(MAX_ALLOC), rsize(MAX_ALLOC) };
return !(size[0] && size[0] == size[1] && size[0] <= MAX_ALLOC << 1 &&
s != NULL) || memcmp(*s = mkrbuf(size[0] << 1), *s + size[0],
size[0]);
}/*
( >:3 )
/| |\ it could be you!
/ \ */
|