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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Jan Engelhardt <jengelh@medozas.de>
Cc: "Anthony G. Basile" <basile@opensource.dyc.edu>,
	davem@davemloft.net, kaber@trash.net, blueness@gentoo.org,
	gurligebis@gentoo.org, base-system@gentoo.org, kernel@gentoo.org,
	toolchain@gentoo.org, mchehab@redhat.com, hverkuil@xs4all.nl,
	laurent.pinchart@ideasonboard.com, arnd@arndb.de,
	eparis@redhat.com, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH] netfilter: install nf_nat.h and related headers to INSTALL_HDR_PATH
Date: Wed, 7 Sep 2011 11:31:04 +0200	[thread overview]
Message-ID: <20110907093104.GA9078@1984> (raw)
In-Reply-To: <alpine.LNX.2.01.1109062001450.19110@frira.zrqbmnf.qr>

On Tue, Sep 06, 2011 at 08:11:30PM +0200, Jan Engelhardt wrote:
> 
> On Tuesday 2011-09-06 18:44, Anthony G. Basile wrote:
> >> 
> >> Could anyone clarify why miniupnpd (or any other application) require
> >> this?
> >> 
> >> Those headers contain structure layouts that may change along time
> >> without further notice, thus breaking backward compatibility.
> >
> >It makes use of
> >
> >   union nf_conntrack_man_proto
> >   struct nf_nat_range
> >   struct nf_nat_multi_range_compat
> 
> miniupnpd is fiddling with the binary representation. Yes, classic
> case of "all the xt headers are exported, just DNAT/SNAT's structs are not".
> 
> Did miniupnpd consider using the text-based interface?

The iptables NAT targets are using this binary representation, so we
should export those definitions. We gain nothing from keeping them
defined privately.

  reply	other threads:[~2011-09-07 16:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-03 18:49 [PATCH] netfilter: install nf_nat.h and related headers to INSTALL_HDR_PATH Anthony G. Basile
2011-09-03 19:41 ` Jan Engelhardt
2011-09-05 17:48 ` Pablo Neira Ayuso
2011-09-06 16:44   ` Anthony G. Basile
2011-09-06 18:05     ` Pablo Neira Ayuso
2011-09-06 18:11     ` Jan Engelhardt
2011-09-07  9:31       ` Pablo Neira Ayuso [this message]
2011-09-07 14:50         ` Patrick McHardy

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