Re: [PATCH nft] src: add interface wildcard matching

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Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> On Sun, Oct 18, 2015 at 08:33:13PM +0200, Florian Westphal wrote:
> > Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> wrote:
> > > Contrary to iptables, we use '*' as wildcard as in udev since the '+' can be
> > > used as a valid interface name.
> > 
> > '*' can also be part of an interface name, seems only '/', ':', and ' '
> > (space) are disallowed.
> 
> We can allow escaping the asterisk:
> 
> # nft --debug=netlink add rule test test iifname eth\\*
>   ip test test 
>     [ meta load iifname => reg 1 ]
>     [ cmp eq reg 1 0x5c687465 0x0000002a 0x00000000 0x00000000 ]
> 
> This means, exact matching for those outthere using wildcards in
> device name, see patch attached.

Right, nice.  I agree that * is a better choice than +.

> This applies on top of this initial patch.

After re-reading Patricks suggestion I'm withdrawing my question wrt.
binop-and.  Patch looks good to me, thanks Pablo!
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