diff options
Diffstat (limited to 'build-openwrt.sh')
-rwxr-xr-x | build-openwrt.sh | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/build-openwrt.sh b/build-openwrt.sh index e5c1019..939d21d 100755 --- a/build-openwrt.sh +++ b/build-openwrt.sh @@ -52,7 +52,11 @@ lanip4addr=$3 ip6prefix=$4 wanip6addr=${ip6prefix}1/56 lanip6addr=${ip6prefix%%0::}1::1/64 -wanip6ll=$(echo $ip6prefix | sed -e 's#.*:\(....:....\)::$#fe80::\1/64#') +wanip6ll=$(echo $ip6prefix | sed -ne 's#.*:\([0-9a-f]\{1,4\}:[0-9a-f]\{1,4\}\)::$#fe80::\1/64#pi') +if [ -z "$wanip6ll" ] +then echo "Error while generating link-local WAN IPv6 address" + exit 2 +fi if [ '$1$' = "${5:0:3}" ] then root_password=$5 |