From: Pablo Neira Ayuso <pablo@netfilter.org>
To: "Gérald Colangelo" <binarym@psycho-hazard.net>
Cc: Jan Engelhardt <jengelh@medozas.de>,
Netfilter Developer Mailing List
<netfilter-devel@vger.kernel.org>
Subject: Re: About libnetfilter_queue
Date: Sat, 27 Jun 2009 23:18:10 +0200 [thread overview]
Message-ID: <4A468C92.3010605@netfilter.org> (raw)
In-Reply-To: <20090619141025.GU14944@finnois.psycho-hazard.net>
Gérald Colangelo wrote:
> On Fri, Jun 19, 2009 at 03:52:54PM +0200, Pablo Neira Ayuso wrote:
>> Jan Engelhardt wrote:
>>
>> You still have to keep CAP_NET_ADMIN to make it. And you should get
>> EPERM when sending packets.
>
> Ok, i didn't know for the CAP_NET_ADMIN.
> But i didn't get EPERM, nfq_set_verdict just returned me a value more than
> 0... perhaps EPERM is stored in errno, but at least nfq_set_verdict() reports
> success.
You're right. We're sending the netlink message to kernel-space without
the NLM_F_ACK flag set, that's why we don't get any error reporting
back. I'm going to look into this.
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prev parent reply other threads:[~2009-06-27 21:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090618144650.GL14944@finnois.psycho-hazard.net>
2009-06-19 12:59 ` About libnetfilter_queue Jan Engelhardt
2009-06-19 13:52 ` Pablo Neira Ayuso
2009-06-19 14:10 ` Gérald Colangelo
2009-06-27 21:18 ` Pablo Neira Ayuso [this message]
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