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|
#!/bin/bash
dhcpd_file=/etc/udhcpd.conf
hostapd_file=/etc/hostapd.conf
interface=wlan0
do_start() {
if [ "$1" = "bridge" ]; then
interface=br0
if ! grep -E -q "^bridge=$interface\s*$" $hostapd_file; then
echo "Enabling bridge=br0 in $hostapd_file"
sed -r -i "s/^#?bridge=.*$/bridge=$interface/" $hostapd_file
fi
fi
echo "starting hostap daemon"
/etc/init.d/hostapd start
if [ "$1" != "bridge" ]; then
echo "setting IP address of access point"
ifconfig $interface $1
fi
if ! grep -E -q "^interface\s+$interface" $dhcpd_file; then
echo "Changing dhcpd interface to $interface"
sed -r -i "s/^interface\s+.*$/interface $interface/" $dhcpd_file
fi
ocg-dhcpd start
}
do_stop() {
echo "stopping hostap daemon"
/etc/init.d/hostapd stop
ocg-dhcpd stop
}
# main
if [[ $# -lt 1 ]]
then
echo "usage: $0 start|stop|restart [access point IP address|\"bridge\"]"
exit 1
elif [[ $# -eq 2 ]]
then
if [ "$2" != "bridge" ]; then
ret=1
if [[ $2 =~ ^([0-9]{1,3}\.){3,3}[0-9]{1,3}$ ]]
then
OIFS=$IFS
IFS='.'
ip=($2)
IFS=$OFIS
[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
ret=$?
fi
if [[ ret -ne 0 ]]
then
echo "invalid IP address"
exit 1
fi
fi
ip=$2
else
ip="192.168.2.1"
fi
case $1 in
start)
do_start $ip
;;
stop)
do_stop
;;
restart)
do_stop
sleep 1
do_start $ip
;;
esac
exit 0
|
