Issue with gdmchooser (2.20.6)

[Volker Stolz]

Sigh, it took the whole day to track down why XDMCP wasn't working:  
just like NetBSD, we need to disable the IPV6_V6ONLY socket option  
first, otherwise the broadcast to ::ffff:x.x.x.x won't work.

I'd like to commit the attached patch that
- hides harmless warnings on FreeBSD: we give ENXIO for non-IP  
interfaces, but that shouldn't worry anyone
- get XDMCP queries rolling -- without this patch, XdmcpFlush fails  
and no XDMCP packet ever hits the wire. With this patch, I can  
successfully discover all (IPv4) hosts offering remote login on my  
network (nobody speaks IPv6 here yet). The patch is borrowed from  
NetBSD pkgsrc.
Also bump PORTREVISION.

I'd also like to submit this upstream.

Volker



> On 29.06.2008, at 02:19, Joe Marcus Clarke wrote:
>
>> On Mon, 2008-06-23 at 13:04 +0800, Volker Stolz wrote:
>>> Hi guys, I was playing with XDMCP and the gdmchooser drops the
>>> following in syslog when looking for local interfaces to broadcast  
>>> on:
>>>
>>> Jun 23 12:32:13 pc139 gdmchooser[37872]: CRITICAL: Could not get
>>> SIOCGIFFLAGS for ^\b
>>> Jun 23 12:32:13 pc139 gdmchooser[37872]: CRITICAL: Could not get
>>> SIOCGIFFLAGS for 8^R^C
>>>
>>> It looks like there's something going wrong (I'm on 7.0-R with a
>>> bge0,plip0,lo0), and we don't have the SIOCGIFNUM ioctl anyway. Is
>>> someone interested in getting something like the following patch  
>>> into
>>> the port and/or upstream? [Note that I usually don't program in  
>>> C ;)]
>>
>> This patch seems pretty intrusive.  However, I appreciate the report,
>> and I'll look at creating something more portable.

-- 
"In Macao ist alles besser!"
http://lambda.foldr.org/~vs/


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