PROPOSAL: extend UNIX_INFO2 to mark existence of ACLs

[Andrew Bartlett]

On Fri, 2008-01-25 at 01:53 -0600, Steve French wrote:
> Jeremy Allison wrote:
> 
> >On Thu, Jan 24, 2008 at 09:57:08PM -0600, Christopher R. Hertel wrote:
> >  
> >
> >>I don't think that they're "arguments", per. se.  We're just trying to get a
> >>handle on what James is suggesting and how it might interact with other file
> >>systems.
> >>    
> >>
> >
> >This is a CIFS *POSIX* layer. In defining this I don't care about
> >file systems that are non-POSIX. Screw them.
> >  
> >
> >>There are several flavors of ACL and a lot of schemes for mapping settings
> >>from one type to another.  MacOS, for instance, uses a POSIX-style API to
> >>access and control ACLs with settings that are similar to Windows ACLs.  I
> >>know of at least one file system that keeps both POSIX permission bits (not
> >>full ACLs) *and* Windows security descriptors.
> >>    
> >>
> >
> >If it's not a POSIX ACL, it's not something of interest to the
> >CIFS POSIX extensions.
> >  
> >
> And if more operating systems (other than Solaris and AIX and ...) move 
> to NFSv4 ACLs it is not interesting to the POSIX extensions?!

So, if and when desired, add another bit to say 'NFSv4 ACL present', and
'real NT ACL present'.  

Andrew Bartlett

-- 
Andrew Bartlett
http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Red Hat Inc.
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