#!/bin/sh

#

# Copyright 2009-2014 Red Hat, Inc.  All rights reserved.

#

# 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.

#

REGDOMAIN=/etc/sysconfig/regdomain

LOCALTIME=/etc/localtime

LOGGER="/usr/bin/logger -t crda"

getcountry() {

	while read c a z r

	do

		if [ "$z" = "$ZONE" ]

		then

			echo $c

			break

		fi

	done < /usr/share/zoneinfo/zone.tab

}

if [ -f $REGDOMAIN ]

then

	# This should set COUNTRY

	. $REGDOMAIN

	if [ -n "$COUNTRY" ]

	then

		/usr/sbin/iw reg set $COUNTRY

		exit

	fi

fi

if [ -f "$LOCALTIME" ]

then

	ZONE=$(readlink -f $LOCALTIME)

	ZONE=${ZONE#/usr/share/zoneinfo/}

else

	$LOGGER -s "Timezone information not found!  Unable to set regulatory domain."

	exit 1

fi

if [ -z "$ZONE" -o "$ZONE" = "$LOCALTIME" ]

then

	$LOGGER -s "Could not determine timezone!  Unable to set regulatory domain."

	exit 1

fi

COUNTRY=$(getcountry)

if [ -z "$COUNTRY" ]

then

	$LOGGER -s "Could not determine country!  Unable to set regulatory domain."

	exit 1

fi

$LOGGER "setting regulatory domain to $COUNTRY based on timezone ($ZONE)"

/usr/sbin/iw reg set $COUNTRY