#! @shell@ -e

# !!! use a proper Upstart job.

# Make sure that the environment is deterministic.
export PATH=@coreutils@/bin
export PATH=@coreutils@/bin:@gnugrep@/bin:@gnused@/bin:@iputils@/bin:@iputils@/sbin:@procps@/bin:@seccure@/bin
export BASEDIR=$(dirname $(dirname $0))

	mkdir /tmp/.gw6c || true
	touch /tmp/.gw6c/gw6c.conf
	chmod 0700 /tmp/.gw6c
	chmod 0700 /tmp/.gw6c/gw6c.conf
	seccure-decrypt -F @privkey@ -i $BASEDIR/conf/gw6c.conf > /tmp/.gw6c/gw6c.conf

stop ()
{
	pkill gw6c
}

ln -s /dev/net/tun /dev/tun || true;

if test "$1" = "start"; then
	trap 'stop ; exit ' 15

	if test -n "@pingBefore@"; then while ! @iputils@/sbin/ping @gw6server@ -c1 -w1 ; do sleep 1; done; fi
    cd /tmp/.gw6c
        @coreutils@/bin/yes |       \
    env - HOME=/tmp/.gw6c $extraEnv \
	@gw6c@/bin/gw6c -f /tmp/.gw6c/gw6c.conf 2>&1 >/var/log/gw6c.out
    while @procps@/bin/pgrep gw6c; do 
	sleep @everPing@; 
	@iputils@/sbin/traceroute6 $( @coreutils@/bin/cat /var/log/gw6c.log  |
		 @gnugrep@/bin/grep peer |
		 @gnused@/bin/sed -e 's/.*with //; s/ .*//' |
		 @coreutils@/bin/head -1) &
    done;
	pkill gw6c; 
	exit
fi

if test "$1" = "stop"; then
	env - HOME=/homeless-shelter @procps@/bin/pkill gw6c;
fi;