lkml.org 
[lkml]   [2015]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [RFC v7 13/41] richacl: Check if an acl is equivalent to a file mode
From
2015-09-17 20:22 GMT+02:00 J. Bruce Fields <bfields@fieldses.org>:
> On Sat, Sep 05, 2015 at 12:27:08PM +0200, Andreas Gruenbacher wrote:
>> ACLs are considered equivalent to file modes if they only consist of
>> owner@, group@, and everyone@ entries, the owner@ permissions do not
>> depend on whether the owner is a member in the owning group, and no
>> inheritance flags are set. This test is used to avoid storing richacls
>> if the acl can be computed from the file permission bits.
>
> We're assuming here that it's OK for us to silently rearrange an ACL as
> long as the result is still equivalent (in the sense that the permission
> algorithm would always produce the same result).
>
> I guess that's OK by me, but it might violate user expectations in some
> simple common cases, so may be worth mentioning in documentation
> someplace if we don't already.

I've tried to be clear about that in the man pages.

Thanks,
Andreas


\
 
 \ /
  Last update: 2015-09-22 01:41    [W:0.152 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site