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#! /bin/sh
#
# Manage IPv6 of the retiolum interface.
#
# usage: ipv6 {start,stop}
#
set -euf
if test `id -u` != 0; then
echo "we're going sudo..." >&2
exec sudo "$0" "$@"
exit 23 # go to hell
fi
file=/etc/tinc/retiolum/hosts/`hostname`
addr=`sed -rn 's|^Subnet *= *(42:[0-9A-Fa-f:]*/128)|\1|p' $file`
route=42::/16
start() {
stop
ip -6 addr add $addr dev retiolum
ip -6 route add $route dev retiolum
}
stop() {
ip -6 addr del $addr dev retiolum 2>/dev/null || :
ip -6 route del $route dev retiolum 2>/dev/null || :
}
## dispatch
case "$1" in
(start) start;;
(stop) stop;;
(*) echo "You're made of stupid" 2>/dev/null; exit 23;;
esac
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