netdev - Re: [PATCHv6 iptables]Interface group match

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Message-ID: <474EB585.30407@balabit.hu>
Date:	Thu, 29 Nov 2007 13:50:13 +0100
From:	Laszlo Attila Toth <panther@...abit.hu>
To:	Lutz Jaenicke <ljaenicke@...ominate.com>,
	David Miller <davem@...emloft.net>,
	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: [PATCHv6 iptables]Interface group match

Lutz Jaenicke írta:
> On Tue, Nov 20, 2007 at 02:14:28PM +0100, Laszlo Attila Toth wrote:
>> Interface group values can be checked on both input and output interfaces
>> with optional mask.
> 
>> Index: extensions/libxt_ifgroup.c
>> ===================================================================
>> --- extensions/libxt_ifgroup.c	(revision 0)
>> +++ extensions/libxt_ifgroup.c	(revision 0)
> 
>> +		info->in_group = strtoul(optarg, &end, 0);
> 
> This is somewhat inconsistent with the iproute patch which targets
> specific groups (with names).
> Should iptables be allowed to read "/etc/iproute2/rt_ifgroup"?

It would be good but cannot be used if a mask is set and only values 
less than 256 can be used with names.

> There is no standard API like getservbyname()...

The code of iproute2 should be copied. If Patrick says it is ok,  I'll 
write this part.

> 
> I do have a draft patch for physdev which is however against
> iptables-1.3.8 and linux-2.6.19 so it will need some more work
> but I will attach it for discussion.

Thanks. I will send soon for net-2.6.25 and iptables svn version.

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