Re: [PATCH] SMACK netfilter smacklabel socket match

Paul Moore
2009-02-18T19:19:39Z

On Wednesday 18 February 2009 01:29:11 pm etienne wrote:
> OK, I'm about to send a new patch; but while testing my patches and reading
> code, I noticed another bug :
>
> In smackfs.c:smk_write_netlbladdr
> the netmask mask.s_addr is not handled correctly, the netmask should be :
> 1- computed in u32
> 2- converted to be32 !!
> with current code, a "pseudo u32 mask" is applied to a be32 ipaddr; it
> occurs to works for "common netmasks" (multiple of 8), not for
> "intermediate" mask (/15, /25)

Heh, back when Casey was first drafting this code I mentioned the same issue
regarding byte ordering but Casey assured me that everything was correct. I
didn't have a Smack test system at the time so I couldn't verify the behavior.
I'm glad you had a chance to test it, needless to say you should fix that when
you submit your patch.

--
paul moore
linux @ hp