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Message-ID: <3A0C7546.B306D41D@redhat.com>
Date: Fri, 10 Nov 2000 23:23:02 +0100
From: Corinna Vinschen <vinschen AT redhat DOT com>
Reply-To: "'cygwin'" <cygwin AT sources DOT redhat DOT com>
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To: cygwin <cygwin AT sources DOT redhat DOT com>
Subject: Re: NTSEC, passwd/group, and "544"
References: <C322F78942E6D311AF8800D0B73C4FD8830DCB AT CUPEX3 DOT rational DOT com>
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"Masterson, Dave" wrote:
> 
> Corinna Vinschen wrote:
> > "Masterson, Dave" wrote:
> > > > 544 is the admins group.
> > >
> > > Ok, I see that now from the documentation.  However, what
> > > governs the permissions on the file?
> >
> > Under NT? The permissions set on the parent directory. But this
> > is really MS documentation.
> 
> No, I meant under CYGWIN -- why might the file permissions be displayed
> differently by "ls -l" depending on whether ntsec is turned on or not?

Without `ntsec' the ACL isn't visible for Cygwin so it only knows
of four more or less faked permissions:

rwxr-xr-x    directory or *.{exe,bat,...} or #! file, no r/o attrib
r-xr-xr-x    directory or *.{exe,bat,...} or #! file, r/o attrib
rw-r--r--    each other file, no r/o attribute
r--r--r--    each other file, r/o attrib

> > Sorry, wrong description. On NTFS it always uses the RID then which
> > is substituted by a name in `ls -l' output iff /etc/passwd has a
> > corresponding user entry.
> 
> Okay, I'm on NTFS.  How does NTSEC play into this?  In my case, with NTSEC,
> the file ownership is "544" while, without NTSEC, the file ownership is
> "1897" ("ls -ln" output).

Sigh, wrong description again. The behaviour is identical to that
on FAT. I just had a look into the sources. This was different
in earlier versions. The curent version is roughly based on the
decision "ntsec" = correct, "nontsec" = fast

> > mkpasswd didn't that up to Cygwin-1.1.5-4, it does from 1.1.5-6 on.
> > But it _never_ uses another login name than the one which is given
> > by the NT system (locale dependent). If you want that Cygwin sees
> > admins as root, _you_ have to change the name like the aforementioned
> > `myadmingrp' example.
> 
> Okay, I'll go along with that.  I believe the docs, though, imply that this
> happens from 1.1 on.  See
> http://sources.redhat.com/cygwin/cygwin-ug-net/ntsec.html#NTSEC-RELEASE1.1.

?? That are only examples. If you misinterpreted that this might be
related to my "non native" English. I have no problems if you decide
to change or rewrite the documentation. It's open source.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                        mailto:cygwin AT sources DOT redhat DOT com
Red Hat, Inc.
mailto:vinschen AT redhat DOT com

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