Init-RC script

dyndnsupdate.rc6 (text/plain), 2.20 KB, created by Julien TIERNY on 2004-06-08 12:13:15 UTC

#!/sbin/runscript
# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header:$

depend() {
	use logger net local
}

get_arg() {
	local ARG=$1
	local CAT=$(which cat)
        local CONF_FILE="/etc/dyndnsupdate.conf"

	NEXT=0
	for LINE in `$CAT $CONF_FILE 2> /dev/null`; do
		LINE=${LINE//\\#*/}
		FILE=$FILE"\n"$LINE
		if [ $NEXT = 1 ]
		then
			RESULT=$LINE
			NEXT=0
		fi
		if [ ! -z $LINE ] && [ $LINE = $ARG ]
		then
			NEXT=1
		fi
	done
	RESULT=${RESULT//\"/}
}

get_conf() {

	get_arg domainname
	DOMAINNAME=$RESULT

	get_arg hostname
	HOSTNAME=$RESULT

	get_arg dyndnsaccount
	LOGIN=$RESULT

	get_arg dyndnspassword
	PASSWD=$RESULT

	get_arg internetinterface
	INTERFACE=$RESULT
}

get_address() {
	local CAT=$(which cat)
	local CACHE="/var/dyndnsupdate/ipcache"

	RESULT=`$CAT $CACHE`
}

checkconfig() {
	get_arg domainname
	DOMAINNAME=$RESULT
	if [ ! -z $RESULT ] && [ $RESULT = "your_domainname_here" ]
	then
		ewarn "You have to configure the DynDns utility."
		ewarn "Please edit /etc/dyndnsupdate.conf."
		eend 1 "Failed to update status at DynDns.org"
	fi
}

start() {
	local DYNDNS=$(which dyndnsupdate)
	local RM=$(which rm)
	local CACHE="/var/dyndnsupdate/ipcache"

	ebegin "Updating IP address at DynDns.org"
	checkconfig || return 1
	get_conf
	if [ -e $CACHE ]
	then
		$RM $CACHE
	fi
	$DYNDNS -- -h $HOSTNAME.$DOMAINNAME \
		-u $LOGIN:$PASSWD -i $INTERFACE -lf \
		> /dev/null 2>&1
	eend $? "Failed to update status at DynDns.org"
}

stop () {
	local CAT=$(which cat)
	local DYNDNS=$(which dyndnsupdate)
	local GREP=$(which grep)
	local LOG_FILE="/var/dyndnsupdate/offline"

	ebegin "Setting host offline at DynDns.org"
	get_address
	get_conf
	$DYNDNS -o -h $HOSTNAME.$DOMAINNAME \
		-u $LOGIN:$PASSWD -a $RESULT -f \
		> $LOG_FILE 2>&1
	RESSOURCE=`$CAT $LOG_FILE | $GREP \
		"gethostbyname:\ Resource\ temporarily\ unavailable"`
	if [ ! -z ${RESSOURCE// /} ]
	then
		eend 1 "Failed to update status at DynDns.org"
	else
		STATUS=`$CAT $LOG_FILE | $GREP \
			"when\ the\ user\ is\ not\ a\ donator"`
		if [ ! -z ${STATUS// /} ]
		then
			eerror "You have to be a donator to profit"\
				"from offline status."
		fi
		eend $? "Failed to update status at DynDns.org"
	fi
}