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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next 2/3] netfilter: core: only allow one nat hook per hook point
Date: Fri, 8 Dec 2017 22:33:31 +0100	[thread overview]
Message-ID: <20171208213331.GA4518@salvia> (raw)
In-Reply-To: <20171208212828.GB4348@salvia>

On Fri, Dec 08, 2017 at 10:28:28PM +0100, Pablo Neira Ayuso wrote:
> On Fri, Dec 08, 2017 at 05:01:54PM +0100, Florian Westphal wrote:
[...]
> > diff --git a/net/ipv4/netfilter/iptable_nat.c b/net/ipv4/netfilter/iptable_nat.c
> > index a1a07b338ccf..0f7255cc65ee 100644
> > --- a/net/ipv4/netfilter/iptable_nat.c
> > +++ b/net/ipv4/netfilter/iptable_nat.c
> > @@ -72,6 +72,7 @@ static const struct nf_hook_ops nf_nat_ipv4_ops[] = {
> >  	{
> >  		.hook		= iptable_nat_ipv4_in,
> >  		.pf		= NFPROTO_IPV4,
> > +		.nat_hook	= true,
> 
> Just a suggestion: This nat_hook basically means that we only allow
> this hook to be a singleton in this spot. So I would call it like
> this, ie. singleton, given we have no NAT semantics in the netfilter
> core.

Hm, never mind about names.

  reply	other threads:[~2017-12-08 21:33 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-08 16:01 [PATCH nf-next 0/3] netfilter: disable parallel use of xtables and nftables nat Florian Westphal
2017-12-08 16:01 ` [PATCH nf-next 1/3] netfilter: xtables: add and use xt_request_find_table_lock Florian Westphal
2017-12-09 15:23   ` Pablo Neira Ayuso
2017-12-08 16:01 ` [PATCH nf-next 2/3] netfilter: core: only allow one nat hook per hook point Florian Westphal
2017-12-08 21:28   ` Pablo Neira Ayuso
2017-12-08 21:33     ` Pablo Neira Ayuso [this message]
2017-12-08 16:01 ` [PATCH nf-next 3/3] nftables: reject nat hook registration if prio is before conntrack Florian Westphal
2017-12-08 21:22   ` Pablo Neira Ayuso
2017-12-13 16:28     ` Pablo Neira Ayuso

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