/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
 * Copyright (c) 2013 Vincent Bernat <bernat@luffy.cx>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "lldpd.h"

#include <unistd.h>

int
interfaces_routing_enabled(struct lldpd *cfg) {
	(void)cfg;
	int f;
	char status;
	int rc;
	if ((f = priv_open("/proc/sys/net/ipv4/ip_forward")) >= 0) {
		if (read(f, &status, 1) == 1) {
			rc = (status == '1');
		} else rc = -1;
		close(f);
		return rc;
	}
	return -1;
}