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To: cygwin AT cygwin DOT com
Subject: Re: File owner set to Unknown+User on cygwin 1.7.35 via samba 3.6.6 on debian
References: <1883631812 DOT 201190 DOT 1429592754813 DOT JavaMail DOT zimbra AT ceos DOT com DOT au> <20150421085053 DOT GW3657 AT calimero DOT vinschen DOT de> <1277097406 DOT 207429 DOT 1429664315268 DOT JavaMail DOT zimbra AT ceos DOT com DOT au> <20150422084333 DOT GA3657 AT calimero DOT vinschen DOT de> <1756410182 DOT 228840 DOT 1429755696338 DOT JavaMail DOT zimbra AT ceos DOT com DOT au>
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>> On 4/22/2015 7:21 PM, John Orr wrote: ...

Would I be right in guessing that your samba server is doing
authentication using a /etc/samba/smbpasswd file?

If that is the case, the output you show matches my experience.  Files
with owner matching the logged in user in such a case one end up with
an owner SID like the

  S-1-5-21-2908258922-1501660359-1356206134-1000

seen in your output, as if it is a local user defined only by the
samba server itself.  (It seems tied to neither my Unix userid nor my
Windows Domain SID, it just seems as if the samba server pretends to
be a local Windows OS with its own set of users.)

For users and groups not defined in smbpasswd (or maybe it's for all
except for file owner matching the logged in user), the SIDs do show
up in the S-1-5-22- Unix_User+/Unix_Group+ form.

I'll leave it at that; hopefully more capable hands can help you
choose how to then deal with these SIDs.


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