1 files changed, 145 insertions, 0 deletions
diff --git a/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap b/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap
new file mode 100755
index 0000000..e3f3088
--- /dev/null
+++ b/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap
@@ -0,0 +1,145 @@
+#!/bin/bash
+
+dhcpd_file=/etc/udhcpd.conf
+hostapd_file=/etc/hostapd.conf
+interface=wlan0
+bridge_mode=0
+
+do_start() {
+	if [ "$bridge_mode" = 1 ]; then
+		interface=$b
+		if ! grep -E -q "^bridge=$interface\s*$" $hostapd_file; then
+			echo "Enabling bridge=br0 in $hostapd_file"
+			sed -r -i "s/^#?bridge=.*$/bridge=$interface/" $hostapd_file 
+		fi
+	else
+		if grep -E -q "^bridge=.*$" $hostapd_file; then
+			echo "Disabling bridge in $hostapd_file"
+			sed -r -i "s/^bridge=/#bridge=/" $hostapd_file 
+		fi
+	fi
+
+	echo "Starting hostap daemon"
+	/etc/init.d/hostapd start
+
+	if [ "$bridge_mode" != 1 ]; then
+		echo "Setting IP address to $ip"
+		ifconfig $interface $ip
+		# strip off end of IP address to get subnet
+		# assumes subnet of /24
+		subnet=${ip%.*}
+		# escape periods for regex
+		subnet_regex=${subnet//./\\.}
+		ip_regex=${ip//./\\.}
+		# set default address range for dhcpd
+		addr_start=100
+		addr_end=254
+		if ! grep -E -q "^start\s+$subnet_regex\." $dhcpd_file; then
+			echo "Changing dhcpd start to $subnet.$addr_start"
+			sed -r -i "s/^start\s+.*$/start $subnet.$addr_start/" $dhcpd_file 
+		fi
+		if ! grep -E -q "^end\s+$subnet_regex\." $dhcpd_file; then
+			echo "Changing dhcpd end to $subnet.$addr_end"
+			sed -r -i "s/^end\s+.*$/end $subnet.$addr_end/" $dhcpd_file 
+		fi
+		# update dhcpd addresses if needed
+		if ! grep -E -q "^option\s+router\s+$ip_regex" $dhcpd_file; then
+			echo "Changing dhcpd router to $ip"
+			sed -r -i "s/^option\s+router\s+.*$/option router $ip/" $dhcpd_file 
+		fi
+	else
+		# unset ip address for bridge mode
+		ifconfig wlan0 0.0.0.0
+	fi
+
+	if ! grep -E -q "^interface\s+$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
+}
+
+usage() {
+	echo "Usage: $(basename $0) start|stop|restart [options]"
+	echo "  options:"
+	echo "    -a <address>    Sets AP IP address (defaults to 192.168.3.1)"
+	echo "    -b <interface>  Add AP to specified bridge interface (conflicts with -a)"
+	exit 1
+}
+
+# main
+if [[ $# < 1 ]]; then
+	usage
+fi
+
+cmd=$1
+shift
+
+while getopts "a:b:h" opt; do
+	case "$opt" in
+		a)
+			a=$OPTARG
+			;;
+		b)
+			b=$OPTARG
+			bridge_mode=1
+			;;
+		h)
+			usage
+			;;
+		*)
+			usage
+			;;
+	esac
+done
+
+# can't specify both address and bridge mode
+if [ -n "$a" ] && [ -n "$b" ]; then
+	usage
+fi
+
+if [ -n "$a" ]; then
+	ret=1
+	if [[ $a =~ ^([0-9]{1,3}\.){3,3}[0-9]{1,3}$ ]]
+	then
+		OIFS=$IFS
+		IFS='.'
+		ip=($a)
+		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
+	ip=$a
+else
+	ip="192.168.3.1"
+fi
+
+case $cmd in
+	start)
+		do_start
+		;;
+	stop)
+		do_stop
+		;;
+	restart)
+		do_stop
+		sleep 1
+		do_start
+		;;
+	*)
+		usage
+		;;
+esac
+
+exit 0