package/ipv6-support/files/network-enable-ipv6.defaults

   1 #!/bin/sh
   2
   3 # Remove conflicting sysctl-handler
   4 rm -f /etc/hotplug.d/iface/10-sysctl
   5
   6 # Don't override existing settings
   7 uci get network.globals && exit 0
   8
   9 # Sometimes results are empty, therefore try until it works...
  10 local r1 r2 r3
  11 while [ -z "$r1" -o -z "$r2" -o -z "$r3" ]; do
  12         r1=$(printf "%02x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 256)))
  13         r2=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 65536)))
  14         r3=$(printf "%01x" $(($(</dev/urandom tr -dc 0-9 | dd bs=9 count=1) % 65536)))
  15 done
  16
  17
  18 uci -q batch <<-EOF >/dev/null
  19         set network.globals=globals
  20         set network.globals.ula_prefix=fd$r1:$r2:$r3::/48
  21         set network.wan6=interface
  22         set network.wan6.proto=dhcpv6
  23         set network.wan6.ifname=@wan
  24         set network.lan.ip6assign=64
  25         set network.wan.ipv6=1
  26         commit network
  27 EOF