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Date: Sun, 27 Oct 2024 13:59:29 +0300
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To: Sam Edge via Cygwin <cygwin AT cygwin DOT com>, cygwin AT cygwin DOT com
Subject: Re: Windows Server NFS, getfact not working on NFS
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From: Andrey Repin via Cygwin <cygwin AT cygwin DOT com>
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Greetings, Sam Edge via Cygwin!

> On 27/10/2024 09:03, Andrey Repin via Cygwin wrote:
>> It will only work inside Cygwin root tree, or on mounts with "acl" flag.

> I beg to differ. I can read ACLs from a Linux Samba server without
> requiring an explicit 'acl' entry in /etc/fstab and from the default
> cygdrive NTFS automatic mounts as well.

That's because "acl" is the default. Which is, again, a bad idea in general.

> So there must be another reason why Cygwin is reporting his Windows NFS
> server shares as not supporting ACLs when mounting from Linux can see the ACLs.

No?

> $ mount
> C:/Users/ANRDAE~1/AppData/Local/Temp on /tmp type ntfs (binary,posix=0,usertemp)
> C:/Programs/Cygwin/bin on /usr/bin type ntfs (binary,auto)
> C:/Programs/Cygwin/lib on /usr/lib type ntfs (binary,auto)
> C:/Programs/Cygwin on / type ntfs (binary,auto)
> W: on /run type ntfs (binary,posix=0)
> C: on /mnt/c type ntfs (binary,noacl,posix=0,noumount,auto)
> D: on /mnt/d type ntfs (binary,noacl,posix=0,noumount,auto)
> E: on /mnt/e type ntfs (binary,noacl,posix=0,noumount,auto)
> F: on /mnt/f type ntfs (binary,noacl,posix=0,noumount,auto)
> Y: on /mnt/y type smbfs (binary,noacl,posix=0,noumount,auto)
> Z: on /mnt/z type smbfs (binary,noacl,posix=0,noumount,auto)
>
> $ ls -ld /etc/networks
> lrwxrwxrwx 1 anrdaemon Administrators 44 Jan 12  2024 /etc/networks ->
> /mnt/c/Windows/System32/drivers/etc/networks
>
> $ getfacl /etc /etc/networks
> # file: /etc
> # owner: anrdaemon
> # group: Administrators
> user::rwx
> group::r-x
> other::r-x
> default:user::rwx
> default:group::r-x
> default:other::r-x
>
> getfacl: /etc/networks: Not supported


> samedge AT gwaihir ~
> $ cat /etc/fstab
> none /cygdrive cygdrive binary,posix=0,user 0 0

> samedge AT gwaihir ~
> $ cat /proc/mounts
> C:/cygwin64/bin /usr/bin ntfs binary,auto 1 1
> C:/cygwin64/lib /usr/lib ntfs binary,auto 1 1
> C:/cygwin64 / ntfs binary,auto 1 1
> C: /cygdrive/c ntfs binary,posix=0,user,noumount,auto 1 1

> samedge AT gwaihir ~
> $ getfacl //bapple/video
> # file: //bapple/video
> # owner: Unix_User+0
> # group: Unix_Group+0
> user::rwx
> user:Unix_User+33:r-x
> group::r-x
> group:Unix_Group+33:r-x
> group:Unix_Group+100:r-x
> group:Unix_Group+121:rwx
> mask::rwx
> other::r-x
> default:user::rwx
> default:user:Unix_User+33:r-x
> default:group::r-x
> default:group:Unix_Group+33:r-x
> default:group:Unix_Group+100:r-x
> default:group:Unix_Group+121:rwx
> default:mask::rwx
> default:other::r-x

> samedge AT gwaihir ~
> $ getfacl /cygdrive/c/
> # file: /cygdrive/c/
> # owner: NT SERVICE+TrustedInstaller
> # group: NT SERVICE+TrustedInstaller
> user::---
> group::---
> group:Authenticated Users:---
> group:SYSTEM:rwx        #effective:r-x
> group:Administrators:rwx        #effective:r-x
> group:Users:r-x
> mask::r-x
> other::---
> default:user::---
> default:group::---
> default:group:Authenticated Users:rwx
> default:group:SYSTEM:rwx
> default:group:Administrators:rwx
> default:group:Users:r-x
> default:mask::rwx
> default:other::---



-- 
With best regards,
Andrey Repin
Sunday, October 27, 2024 13:47:56

Sorry for my terrible english...


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