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Message-ID: <52B45DDA.5050504@bmw-carit.de>
Date: Fri, 20 Dec 2013 16:10:18 +0100
From: Valentina Giusti <valentina.giusti@...-carit.de>
To: Florian Westphal <fw@...len.de>
CC: <netfilter-devel@...r.kernel.org>, <netdev@...r.kernel.org>,
<jpa@...gle.com>, <pablo@...filter.org>,
<daniel.wagner@...-carit.de>
Subject: Re: [PATCH v3 1/2] netfilter_queue: enable UID/GID socket info retrieval
On 12/20/2013 04:03 PM, Florian Westphal wrote:
> Valentina Giusti <valentina.giusti@...-carit.de> wrote:
>>> I think this should be 'return 0'?
>> I put return -1 because I think that if userspace has requested to
>> receive UID and GID, then it should be dumped only packets that have
>> that information available.
>> Are you suggesting that it should be otherwise?
>
> Yes, doing that doesn't make sense to me.
> And it is inconsitent:
> Packets without socket information are queued normally
> in your patch, but suddently if its a timewait socket
> its an error?
>
> Why would we want timewait packets to NOT be queued?
> vs. for example forwarded packets?
>
> Userspace can test for presence of the attributes, i.e.
> no NFQA_UID attribute -> no socket present, or lack of uid
> information.
>
> If you have a counter-example?
>
Sorry no, I think you are right, thanks for the explanation. Should I
resend the patch or is it a change small enough that can be done when
applied? Unless there are still other comments, ofc.
Thanks,
- Val
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