#!/bin/sh
#
# Usage: modinetd [-n] [package]

usage() {
	echo "Usage: $(basename $0) [options] [package]"
	echo "options:"
	echo "  -h | --help       - print this help"
	echo "  -n | --nosave     - do not modsave flash"
	exit $1
}

inetd_conf_line() {
	line="$inetdcfg_port\t$inetdcfg_sock\t$inetdcfg_proto\t$inetdcfg_flags\t$inetdcfg_user\t$inetdcfg_exe\t$inetdcfg_arg0 $inetdcfg_args"
	if [ "escape" = "$1" ]; then
		line=$(echo -n "$line" | sed -e "s@/@\\\\/@g")
	fi
	echo -en "$line"
}

update_inetd() {
	if [ -e "/etc/init.d/rc.$1" ]; then
		echo -n "Updating inetd config for $1: "
		icnf="/var/tmp/flash/inetd.conf"
		. /etc/default.$1/$1.inetd
		if ! grep "#:$1:" $icnf > /dev/null; then
			echo >> $icnf
			echo "#:$1: $inetdcfg_desc" >> $icnf
			echo "$(inetd_conf_line)" >> $icnf
		fi

		if [ "inetd" == $(/etc/init.d/rc.$1 status) ]; then
			sed -i -e "/#:$1:.*/{N};s/\(#:$1:[^\n]*\)\n\(#<off>#\)\?\(.*\)/\1\n$(inetd_conf_line "escape")/g" $icnf
			echo "active."
		else
			sed -i -e "/#:$1:.*/{N};s/\(#:$1:[^\n]*\)\n\([^#].*\)/\1\n#<off>#$(inetd_conf_line "escape")/g" $icnf
			echo "inactive."
		fi
	else
		error "package $1 has no rc script"
		exit 1
	fi
}

error() {
	echo "$0: $*" 1>&2
}

save="true"
TEMP=$(getopt -o hn --long help,nosave -n "$(basename $0)" -- "$@")

[ $? == 0 ] || usage 1
eval set -- "$TEMP"

while true ; do
	case "$1" in
		-h|--help) usage 0; shift ;;
		-n|--nosave) save="false"; shift ;;
		--) shift ; break ;;
		*) echo "Internal error!" ; exit 1 ;;
	esac
done

if [ "" == "$1" ]; then
	for package in $(ls /etc/default.*/*.inetd | sed -e "s@/etc/default[.]\(.*\)/.*[.]inetd@\1@"); do
		update_inetd $package
	done
else
	while [ "" != "$1" ]; do
		if [ -e "/etc/default.$1/$1.inetd" ]; then
			update_inetd $1
		else
			error "package $1 has no default inetd file"
		fi
		shift
	done
	
fi

/etc/init.d/rc.inetd reload
if [ "true" == "$save" ]; then
	/usr/bin/modsave flash
fi

exit 0