#include <unistd.h>

#include <fcntl.h>

#include <string.h>

#include "selinux_internal.h"

#include <stdlib.h>

#include <errno.h>

#include <limits.h>

#include <asm/page.h>

#include <stdio.h>

#include "policy.h"

int is_selinux_enabled(void)

{

	char *buf;

	size_t size;

	int fd;

	ssize_t ret;

	int enabled = 0;

	security_context_t con;

	fd = open("/proc/filesystems", O_RDONLY);

	if (fd < 0)

		return -1;

	size = PAGE_SIZE;

	buf = malloc(size);

	if (!buf) {

		enabled = -1;

		goto out;

	}

	memset(buf, 0, size);

	ret = read(fd, buf, size - 1);

	if (ret < 0) {

		enabled = -1;

		goto out2;

	}

	if (!strstr(buf, "selinuxfs"))

		goto out2;

	enabled = 1;

	if (getcon_raw(&con) == 0) {

		if (!strcmp(con, "kernel"))

			enabled = 0;

		freecon(con);

	}

out2:

	free(buf);

out:

	close(fd);

	return enabled;

}

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;

	snprintf(path, sizeof path, "%s/mls", selinux_mnt);

	fd = open(path, O_RDONLY);

	if (fd < 0)

		return enabled;

	memset(buf, 0, sizeof buf);

	ret = read(fd, buf, sizeof buf-1);

	close(fd);

	if (ret < 0)

		return enabled;

	if (!strcmp(buf, "1"))

		enabled = 1;

	return enabled;

}

hidden_def(is_selinux_mls_enabled)