netdev - Re: iproute2 small patches for xfrm

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Message-ID: <20140801090508.384adbc1@haswell.linuxnetplumber.net>
Date:	Fri, 1 Aug 2014 09:05:08 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Jaroslav Šafka <jaroslav.safka@...to.com>
Cc:	netdev@...r.kernel.org
Subject: Re: iproute2 small patches for xfrm

On Fri, 01 Aug 2014 13:16:09 +0200
Jaroslav Šafka <jaroslav.safka@...to.com> wrote:

> Hi,
> I found the tool "ip xfrm" is not able to add "cipher_null" because there is 
> no possibility to set key with zero length.
> 
> I solved it by this change:
> 
> -       if (slen > 2 && strncmp(key, "0x", 2) == 0) {
> +       if (slen >= 2 && strncmp(key, "0x", 2) == 0) {
> 
> By this change you can specify key as "0x" which will pass for key existence 
> and set key len to 0.
> 
> this patch is against version iproute2-3.14.0
> 
> Second patch enable use proto ip. Because it is supported by kernel.
> 
> Have a nice day :)
> 
> Regards
> Jarek

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