#!/sbin/itype
# This is a i file, used by initng parsed by install_service

# NAME: 
# DESCRIPTION: 
# WWW: 

# Set up networking for initng
# More or less c&p from /etc/init.d/ifupdown and
# /etc/init.d/ifupdown-clean

service system/ifupdown-debian {
	need = system/bootmisc;
	env RUN_DIR=/etc/network/run;
	env IFSTATE=/etc/network/run/ifstate;
	env_file = /etc/default/ifupdown;
	script start = {
		[ -x /sbin/ifup ] || exit 0
		[ -x /sbin/ifdown ] || exit 0

		MYNAME="${0##*/}"
		report() {
			echo "${MYNAME}: ${*}"
		}
		report_err() {
			report "Error: ${*}" >&2
		}

		myreadlink () {
			dest="${1%/}"
			extras=""

			while [ "${dest}" != "" ]
			do
				if [ -d "${dest}" ]
				then
					cd "${dest}"
					dest=`/bin/pwd`
					break
				fi

				if [ -L "${dest}" ]
				then
					d2=`readlink "${dest}"`
					if [ "${d2#/}" = "${d2}" ]
					then
						dest="${dest%/*}/${d2}"
					else
						dest="${d2}"
					fi
				fi

				while [ ! -e "${dest}" ]
				do
					extras="${dest##*/}/${extras}"
					[ "${extras%%/*}" = ".." ] && return 1
					destx="${dest%/*}"
					[ "${destx}" = "${dest}" ] && destx=""
					dest="${destx}"
				done
			done
			dest="${dest}/${extras}"
			echo "${dest%/}"
		}

		# if /etc/network/run is a symlink to a directory that doesn't exist,
		# create it.

		if [ -L "${RUN_DIR}" -a ! -d "${RUN_DIR}" ]
		then
			runmkdir="`myreadlink "${RUN_DIR}"`"
			if [ ! "${runmkdir}" ]
			then
				echo "failed."
				report_err "Cannot create target of /etc/network/run"
				exit 1
			fi
			if ! /bin/mkdir -p "${runmkdir}"
			then
				echo "failed."
				report_err "Failure creating directory ${runmkdir}"
				exit 1
			fi
		fi

		# Create the state file
		# Doing this also signals that ifupdown is available for use

		# We can always clean here, because debian's network script depends on this, it HAS to run first.
		if ! /bin/true >${IFSTATE}
		then
			echo "failed."
			report_err "Failure initializing ${IFSTATE}"
			exit 1
		fi

		exit 0
	};
	script stop = {
		echo -n "Cleaning up ifupdown..."
		
		if [ -f "${IFSTATE}" -a ! -L "${IFSTATE}" ]
		then
			/bin/rm -f "${IFSTATE}"
			exit 0
		fi
		
		if [ -f "${IFSTATE}" ]
		then
			# This is kinda bad :(
			echo -n >${IFSTATE}
			exit 0
		fi
		exit 0
	};
}