#!/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"
	line="$line\t$inetdcfg_user\t$inetdcfg_exe\t$inetdcfg_arg0 $inetdcfg_args"
	if [ "$1" = escape ]; then
		line=$(echo -n "$line" | sed -e 's@/@\\/@g')
	fi
	echo -en "$line"
}

update_inetd() {
	local pkg=$1
	if [ ! -e "/etc/init.d/rc.$pkg" ]; then
		error "package $pkg has no rc script"
		exit 1
	fi
	echo -n "Updating inetd config for $pkg: "
	local icnf="/var/tmp/flash/inetd.conf"
	. /etc/default.$pkg/$pkg.inetd
	if ! grep -q "#:$pkg:" $icnf; then
		echo >> $icnf
		echo "#:$pkg: $inetdcfg_desc" >> $icnf
		echo "$(inetd_conf_line)" >> $icnf
	fi

	if [ "inetd" == "$(/etc/init.d/rc.$pkg status)" ]; then
		sed -i -e "/#:$pkg:/ { n; s/^.*/$(inetd_conf_line escape)/ }" $icnf
		echo "active."
	else
		sed -i -e "/#:$pkg:/ { n; s/^[^#].*/#<off>#$(inetd_conf_line escape)/ }" $icnf
		echo "inactive."
	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 [ $# -eq 0 ]; then
	for package in $(ls /etc/default.*/*.inetd | sed -e 's@^/etc/default\.\([^/]*\)/[^/]*\.inetd$@\1@'); do
		update_inetd $package
	done
else
	for package; do
		if [ -e "/etc/default.$package/$package.inetd" ]; then
			update_inetd $package
		else
			error "package $package has no default inetd file"
		fi
	done
	
fi

/etc/init.d/rc.inetd reload
if $save; then
	/usr/bin/modsave flash
fi

exit 0