net crux script /etc/rc.d/net with WIFI and start-stop-daemon

net

#!/bin/sh
#
# /etc/rc.d/net: start/stop network interface
#

# Connection type: "DHCP", "WIFI" or "STATIC"
TYPE="DHCP"

# For "STATIC" connections, specify your settings here:
# To see your available devices run "ip link".
DEV=enp11s0
ADDR=192.168.1.100
MASK=24
GW=192.168.1.1

# Optional settings:
OPTS_DHCP="-h `/bin/hostname` -t 10"
OPTS_WIFI="-B -D wext -i wlan0 -c /etc/wpa.conf"

SSD=/sbin/start-stop-daemon
PROG_DHCP=/sbin/dhcpcd
PROG_WIFI=/usr/sbin/wpa_supplicant
PID_DHCP=/var/run/dhcpcd
PID_WIFI=/var/run/wpa_supplicant

case $1 in
	start)
		if [ "${TYPE^^}" = "DHCP" ]; then
			$SSD --start --pidfile $PID_DHCP --exec $PROG_DHCP -- ${OPTS_DHCP}
		elif [ "${TYPE^^}" = "WIFI" ]; then
			if [ -e "${PROG_WIFI}" ]; then
				$SSD --start --pidfile $PID_WIFI --exec $PROG_WIFI -- ${OPTS_WIFI}
				$SSD --start --pidfile $PID_DHCP --exec $PROG_DHCP -- ${OPTS_DHCP}
			else
				echo "Error: you need to install and configure wpa_supplicant"
				exit 5
			fi
		else
			/sbin/ip addr add ${ADDR}/${MASK} dev ${DEV} broadcast +
			/sbin/ip link set ${DEV} up
			/sbin/ip route add default via ${GW}
		fi
		;;
	stop)
		if [ "${TYPE^^}" = "DHCP" ]; then
			$SSD --stop --remove-pidfile --retry 10 --pidfile $PID_DHCP
		elif [ "${TYPE^^}" = "WIFI" ]; then
			if [ -e "${PROG_WIFI}" ]; then
				$SSD --stop --remove-pidfile --retry 10 --pidfile $PID_DHCP
				$SSD --stop --remove-pidfile --retry 10 --pidfile $PID_WIFI
			else
				echo "Error: you need to install and configure wpa_supplicant"
				exit 5
			fi
		else
			/sbin/ip route del default
			/sbin/ip link set ${DEV} down
			/sbin/ip addr del ${ADDR}/${MASK} dev ${DEV}
		fi
		;;
	restart)
		$0 stop
		$0 start
		;;
	status)
		if [ "${TYPE^^}" = "DHCP" ]; then
			$SSD --status --pidfile $PID_DHCP
			case $? in
			0) echo "$PROG_DHCP is running" ;;
			1) echo "$PROG_DHCP is not running but the pid file $PID_DHCP exists" ;;
			3) echo "$PROG_DHCP is not running" ;;
			4) echo "Unable to determine the program status" ;;
			esac
		elif [ "${TYPE^^}" = "WIFI" ]; then
			$SSD --status --pidfile $PID_WIFI
			case $? in
			0) echo "$PROG_WIFI is running" ;;
			1) echo "$PROG_WIFI is not running but the pid file $PID_WIFI exists" ;;
			3) echo "$PROG_WIFI is not running" ;;
			4) echo "Unable to determine the program status" ;;
			esac
		else
			echo "No DHCP or WIFI daemons to check"
		fi
		;;
	*)
		echo "Usage: $0 [start|stop|restart|status]"
		;;
esac

# End of file