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#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "selinux_internal.h"
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include "policy.h"
int is_selinux_enabled(void)
{
/* init_selinuxmnt() gets called before this function. We
* will assume that if a selinux file system is mounted, then
* selinux is enabled. */
return (selinux_mnt ? 1 : 0);
}
hidden_def(is_selinux_enabled)
/*
* Function: is_selinux_mls_enabled()
* Return: 1 on success
* 0 on failure
*/
int is_selinux_mls_enabled(void)
{
char buf[20], path[PATH_MAX];
int fd, ret, enabled = 0;
if (!selinux_mnt)
return enabled;
snprintf(path, sizeof path, "%s/mls", selinux_mnt);
fd = open(path, O_RDONLY);
if (fd < 0)
return enabled;
memset(buf, 0, sizeof buf);
do {
ret = read(fd, buf, sizeof buf - 1);
} while (ret < 0 && errno == EINTR);
close(fd);
if (ret < 0)
return enabled;
if (!strcmp(buf, "1"))
enabled = 1;
return enabled;
}
hidden_def(is_selinux_mls_enabled)
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