WSL2-Linux-Kernel/tools/testing/selftests/bpf/unpriv_helpers.c

27 строки
448 B
C

// SPDX-License-Identifier: GPL-2.0-only
#include <stdbool.h>
#include <stdlib.h>
#include <error.h>
#include <stdio.h>
#include "unpriv_helpers.h"
bool get_unpriv_disabled(void)
{
bool disabled;
char buf[2];
FILE *fd;
fd = fopen("/proc/sys/" UNPRIV_SYSCTL, "r");
if (fd) {
disabled = (fgets(buf, 2, fd) == buf && atoi(buf));
fclose(fd);
} else {
perror("fopen /proc/sys/" UNPRIV_SYSCTL);
disabled = true;
}
return disabled;
}