Package: wwwoffle
Version: 2.9d-3
I'm forwarding part of my conversation with wwwoffle author. The patch
included below (I can attach it, if needed) fixes the problem.
> >> > after upgrading to lenny, I found out that wwwoffle sometimes does
> >> > not start at boot. It reports the error:
> >> >
> >> > Apr 7 08:36:55 localhost wwwoffled[3271]: Unknown host '0.0.0.0' for
> >> > server
> >> > [Address family for hostname not supported].
> >> > Apr 7 08:36:55 localhost wwwoffled[3271]: Cannot create HTTP IPv4 server
> >> > socket.
This was ocasionally happening when my eth0 interface was configured as
'allow-hotplug' and always when i started using ifplugd and removing the
allow-hotplug part.
> > I have looked onto that a bit more deeply and it seems that this message
> > is generated when eth0 interface is not configured, although ipv4
> > support is loaded and other services (e.g. sshd) are listening at
> > wildcard interface.
On 29.04.09 19:22, Andrew M. Bishop wrote:
> I don't think that this is going to help here because the error is
> that the address family is not supported. The hostname that you are
> using is the wildcard IPv4 address already so no name lookup should be
> needed.
>
> I have worked out a patch that might do something (if your WWWOFFLE is
> compiled for IPv6 which I think that it must be).
Yes, it's compiled with ipv6 support and Yes, this patch worked, thank you.
I see similar piece of code in sockets4.c. Furthermore, when I blacklisted
ipv6 kernel module (I don't have ipv6 connectivity), it worked even without
this patch. However I think that this patch should be included into
wwwoffle, for cases like mine.
> -------------------- sockets6.c patch --------------------
> --- sockets6.c 2007/06/10 08:37:39 1.20
> +++ sockets6.c 2009/04/29 18:17:20
> @@ -171,7 +171,10 @@
>
> sprintf(portstr,"%d",port&0xffff);
>
> - server=getaddrinfo_or_timeout(hoststr,portstr,AI_PASSIVE);
> + if(!strcmp(hoststr,"0.0.0.0") || !strcmp(hoststr,"::"))
> + server=getaddrinfo_or_timeout(NULL,portstr,AI_PASSIVE);
> + else
> + server=getaddrinfo_or_timeout(hoststr,portstr,AI_PASSIVE);
>
> if(!server)
> {
> -------------------- sockets6.c patch --------------------
>
> If the specified address is the wildcard address then it will try
> using a NULL hostname which is guaranteed to bypass any lookups.
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