netdev - Re: [RFC net-next 0/4] Support UID range routing.

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Message-ID: <CAKD1Yr0wqj0wG3Ges9NeqMBALO-SxY9KTgZo_sp_8VYKnihKMQ@mail.gmail.com>
Date:	Sat, 3 May 2014 04:15:38 +0900
From:	Lorenzo Colitti <lorenzo@...gle.com>
To:	David Miller <davem@...emloft.net>
Cc:	David Newall <davidn@...idnewall.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	JP Abgrall <jpa@...gle.com>
Subject: Re: [RFC net-next 0/4] Support UID range routing.

On Tue, Apr 29, 2014 at 4:01 AM, Lorenzo Colitti <lorenzo@...gle.com> wrote:
> Basically, what this patch calls "UID" is what the xt_owner module and
> xt_LOG iptables modules consider to be the "owner" of a socket, what
> nfqueue presents as the user ID, what shows up in
> /proc/net/{udp,tcp,raw} in the "uid" column, etc. In most cases this
> is the effective UID that made the call to socket() or accept().
>
> This patch allows using that concept in routing. This can be done
> today with "iptables -m owner --uid-owner 12345 -j MARK --set-mark
> 0xbeef; ip rule from fwmark 0xbeef lookup 100", but that has the
> limitations I set out in my original message (e.g., incorrect source
> address).

David,

did that help clarify what I'm proposing here? Does this patch still
seem misguided to you even though its semantics match existing
functionality?

Lorenzo
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