Gel4y Mini Shell

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File name : setregdomain

Content :

#!/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 wireless"

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