contrib/meshwizard: check if ipv6 is available on the system

diff --git a/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh b/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
index 8c9088f..859d5ff 100755 (executable)
--- a/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
+++ b/contrib/package/meshwizard/files/usr/bin/meshwizard/wizard.sh
@@ -12,12 +12,13 @@
 . /lib/functions.sh
 
 echo "
-/* Meshwizard 0.0.7 */
+/* Meshwizard 0.0.8 */
 "
 
 # config
 export dir="/usr/bin/meshwizard"
 . $dir/functions.sh
+[ -f /proc/net/ipv6_route ] && has_ipv6=1
 
 # Check which packages we have installed
 export has_luci=FALSE
@@ -67,7 +68,7 @@ if [ "$lan_proto" == "static" ] && [ -n "$lan_ip4addr" ] && [ -n "$lan_netmask"
        $dir/helpers/setup_lan_static.sh
 fi
 
-if [ "$profile_ipv6" == 1 ]; then
+if [ "$profile_ipv6" == 1 ] && [ "$has_ipv6" = 1 ]; then
        $dir/helpers/setup_lan_ipv6.sh
        # Setup auto-ipv6
        if [ "$profile_ipv6_config" = "auto-ipv6-dhcpv6" ]; then
@@ -101,7 +102,7 @@ for net in $networks; do
        $dir/helpers/setup_splash.sh $net
        $dir/helpers/setup_firewall_interface.sh $net
 
-       if [ "$profile_ipv6" == 1 ]; then
+       if [ "$profile_ipv6" == 1 ] && [ "$has_ipv6" = 1 ]; then
                $dir/helpers/setup_radvd_interface.sh $net
        fi
 done