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Date: Wed, 19 Jan 2022 09:00:35 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Duplicate ACLs? - Can't copy file even with Admin permissions
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On Jan 18 21:26, cygwin AT kosowsky DOT org wrote:
> On Jan 04:14 Corinna Vinschen wrote:
> > I uploaded a developer snapshot to https://cygwin.com/snapshots
> > Please give it a try.
> 
> Indeed, the new cygwin.dll does allow me to copy the files and it does
> preserve the 'getfacl' (POSIX) acl's (as above).
> However, it does *not* preserve the full ACL's as reported by 'icacls'.
> [...]
> So, the full Windows ACLs as indicated by 'icacls' differ.
> Is this the expected behavior??? If so, why???

Cygwin converts the DACL into a a POSIX ACL on the API level and Cygwin
tools consequentially read and write POSIX ACLs, which differ from
Windows ACLs.


Corinna

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