IPv6 subnet as client ipaddr

[Alan DeKok]

On Feb 12, 2018, at 5:00 PM, Klara Mall <klara.mall at kit.edu> wrote:
> we just wanted to configure an IPv6 subnet as client with the variable
> ipaddr. Found out that only a single IPv6 IP address is working with the
> variable ipaddr. With ipv6addr subnet is working, too.
> 
> Does not work:
> 
> client test {
>    ipaddr = fd76:70:6e:1::/64

  The "ipaddr" is intended to be used mainly for hostname lookups.  As a result, it's not overly good at parsing raw IPv6 addresses.

>    secret = XXXXXXXXXXXXXXXXXXXXXXXXX
> }
> 
> Does work:
> 
> client test {
>    ipaddr = fd76:70:6e:1::1

  That's just an IPv6 address...

> Does work:
> 
> client test {
>    ipv6addr = fd76:70:6e:1::/64

  i.e. when you force it to be IPv6, it works.

> Error log message:
> Failed to parse IPv4 address string "fd76:70:6e:1::/64"
> /etc/freeradius/3.0/clients.conf[270]: Error parsing client section
> 
> Is it a bug? Tested in freeradius 3.0.12 and 3.0.16. Same behaviour.

  It's a bug.  I've pushed a fix for the v3.0.x, which should be in the 3.0.17 release.

  Alan DeKok.