[syslog-ng] IPv6 Link local address use with syslog-ng

[Balazs Scheidler]

On Fri, 2007-11-16 at 10:38 -0500, Philip Bellino wrote:
> Hello,
> 
> Running syslog-ng-2.0.5 on a Linux host 2.6.22.9.
> 
> syslog-ng.conf entry as follows:
> 
> source s_all {
> 
>         tcp6(ip(2001:470:1f00:1288:220:abff:febe:4dac) port(1468));
> 
> };
> 
> When syslog-ng is started, the Global address
> (2001:470:1f00:1288:220:abff:febe:4dac) binds and connects fine.
> 
> If I have the Link Local Address configured below:
> 
> source s_all {
> 
>         tcp6(ip(fe80::220:abff:febe:4dac) port(1468));
> 
> };
> 
> And start syslog-ng, it either errors on the bind or the
> connect(g_connect in gsockaddr.c) with an errno of 22 (Invalid
> Argument).
> 
> Looking at the code shows that there is no use of the sockaddr_in6
> “sin6_scope_id”, which is required to be set when using Link Local
> addresses since they need to use the interface number (sin6_scope_id).
> 
> Has anyone run into this issue?
> 
> If so, is there a workaround or a code patch for this?

I don't know about any. In fact I'm not using the ipv6 parts myself, so
there might be some quirks here and there.

To be honest, I've absolutely no clue how scope id is usually set. Can
you recommend something?

-- 
Bazsi