/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 */

#include <sys/types.h>

#include <sys/socket.h>

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include <errno.h>

#include <unistd.h>

#include <netinet/in.h>

#include "rad_modapi.h"

int

listen_on_port(int port, boolean_t local)

{

	int fd, option;

	rad_log(RL_DEBUG, "attempting to listen on port %d (%s)", port,

	    local ? "loopback only" : "all addresses");

	if ((fd = socket(AF_INET6, SOCK_STREAM, 0)) == -1) {

		rad_log(RL_ERROR, "failed to create socket: %s",

		    strerror(errno));

		return (-1);

	}

	option = 1;

	if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &option,

	    sizeof (option)) == -1) {

		rad_log(RL_ERROR, "failed to set socket options: %s",

		    strerror(errno));

		return (-1);

	}

	if (bind(fd, (struct sockaddr *)&sa, sizeof (sa)) == -1) {

		rad_log(RL_ERROR, "failed to bind to address: %s",

		    strerror(errno));

		return (-1);

	}

	if (listen(fd, 15) == -1) {

		rad_log(RL_ERROR, "failed to listen on socket: %s",

		    strerror(errno));

		return (-1);

	}

	rad_log(RL_DEBUG, "listening on port %d (%s)", port,

	    local ? "loopback only" : "all addresses");

	return (fd);

}