From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [RFC] libnfnetlink and iface conversion to string
Date: Tue, 09 Jan 2007 11:22:06 +0100
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Cc: Harald Welte <laforge@netfilter.org>, netfilter-devel@lists.netfilter.org,
	Vincent Deffontaines <vincent@inl.fr>, Eric Leblond <eric@inl.fr>
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To: Pablo Neira Ayuso <pablo@netfilter.org>
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Pablo Neira Ayuso wrote:
> Eric Leblond wrote:
> 
>>I'm currently working on NuFW where I try to do iface conversion from
>>integer to string to be able to filter "naturally" on interfaces.
>>
>>For now, it is impossible to do this conversion from either
>>libnetfilter_queue or libnfnetlink. But there is two files in
>>libnfnetlink (iftable.c and rntl.c) which have been put here by Harald
>>to provide this conversion (if I remember correctly an old mail from
>>Harald).
>>
>>It was a long time ago and I don't know if it still planned to modify
>>libnfnetlink to include this feature. Or, would it be a better choice to
>>create a new library dedicated to this conversion.

There already is libnl .. it may be a bit overkill if all you
need is ifindex<->ifname conversion though.

> Interesting question. Since this is related with the rtnetlink
> subsystem, I'm unsure that this feature naturally belongs to
> libnfnetlink nor to libnetfilter_queue.
> 
> However, IMO libnetfilter_queue should provide enough features to let
> userspace apps implement filtering without requiring extra dependencies.

Agreed, this would be a good addition in my opinion. Probably
better to keep in it libnfnetlink since that doesn't require
people to unnecessarily link libnfnetlink_queue just for this.