[ale] kde question

[Sean Kilpatrick]

Thanks for the tip.  I had not noticed the ".", much less stopped to
consider what it might be telling me.

Sean



On Mon, 2016-02-15 at 15:11 -0500, DJ-Pfulio wrote:
> On 02/15/2016 09:14 AM, Sean Kilpatrick wrote:
> > output from ls -al on /etc/yum.repos.d:
> > 
> > -rw-rw-rw-.   1 root     root    957 Nov 25  2014 epel.repo
> > -rw-rw-rw-.   1 root     root   1056 Nov 25  2014 epel-testing.repo
> > 
> > My limited understanding of the terminology is that when user is listed
> > as rw, the user can read and write to the file. Obviously, I made the
> > change as root.
> 
> There are multiple layers of permissions. the most common behave just like you
> expect, but do you see that '.' at the end of the permissions bits?  That means
> that "file ACLs" are being used.  It also means that you cannot trust any of the
> normal permissions, since they may have been overrode.  Use
>      $ getfacl /etc/yum.repos.d/*
> to see the truth.
> 
> FACLs are separate from SELinux. Support has been part of most file systems for
> a very long time. Certainly SELinux makes extensive use of them.
> 
> Other distros don't always show the '.', so then you use Ubuntu, don't expect to
> see it, just know that ACLs can exist (or not) on any file/directory, so if the
> permissions aren't doing what you know they should, check the ACLs.  I remember
> the first time I ran into ACLs at work. It sucked and took me multiple hours to
> figure it out.
> 
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