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Date:	Tue, 9 Mar 2010 10:34:57 +0000 (GMT)
From:	Marco Atzeri <marco_atzeri AT yahoo DOT it>
Subject:	Re: Shared home dir, samba, and workgroups
To:	Wes Barris <wes DOT barris AT csiro DOT au>
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--- Mar 9/3/10, Wes Barris  ha scritto:

> Marco Atzeri wrote:
> > --- Mar 9/3/10, Wes Barris ha scritto:
> >=20
> >> Wes Barris wrote:
> >>> I use Cygwin 1.7 on my XP desktop system at
> >> work.=A0 I like having the
> >>> same home directory on this Windows XP system
> as I do
> >> on our Unix
> >>> server.=A0 The Windows XP system is a
> member of a
> >> domain.=A0 The Unix
> >>> server is not.=A0 The Unix server is
> running Samba
> >> and is configured
> >>> with a workgroup name.=A0 My home directory
> on the
> >> Unix server is
> >>> mounted as a mapped network drive on the
> Windows XP
> >> system.
> >>> Everything in the above setup is working
> >>> properly from the Unix server side and from
> the
> >> Windows side when
> >>> working with Windows Explorer.=A0 I can
> create and
> >> delete files via
> >>> Windows Explorer and they show up on the Unix
> side
> >> with proper
> >>> ownership and permissions (as controlled by
> >> Samba).=A0 Conversely,
> >>> I can create and delete files under Unix and
> access
> >> these files
> >>> from Windows Explorer.
> >>>=20
> >>> The problem is when I look at my mapped
> network home
> >> directory
> >>> with Cygwin, my home directory files are owned
> by
> >> nobody ('????????')
> >>> and have a group of nobody.=A0 I am
> guessing that
> >> this is because my
> >>> Windows SID in /etc/passwd is the SID of my
> domain
> >> user and since
> >>> the Samba server is not part of this domain
> the files
> >> look like they
> >>> are from an unknown user.
> >>>=20
> >>> In our Samba server there is a file (usermap)
> that
> >> maps unix usernames
> >>> to windows usernames.=A0 This appears to be
> working
> >> when working with
> >>> Windows Explorer.=A0 Why doesn't this work
> with
> >> Cygwin?=A0 What is the
> >>> way to fix this?=A0 Do I somehow need to
> map my
> >> unix username to a
> >>> windows SID?=A0 Do I need to turn off
> ntsec?=20
> >=20
> > you need to map the WINDOWS SID to the UNIX username
> >=20
> > so you need to add on /etc/passwd and etc/group
> > the right references.
> >=20
> > see:
> > http://cygwin.com/cygwin-ug-net/using-utils.html#mkpasswd
> > http://cygwin.com/cygwin-ug-net/ntsec.html
>=20
> I've read both of those pages many times.=A0 They don't
> appear
> to apply to my situation.=A0 What mkpasswd option(s)
> would you
> suggest?=A0 --local doesn't help map the Windows SID to
> the UNIX
> username, --domain doesn't do it.

Web,
if mkpasswd can not help you to identify the SID, than
you can try Setacl
http://setacl.sourceforge.net/

using as:
$ SetACL.exe -on $(cygpath -aw YOUR_FILE) -ot file -actn list -lst "f:sddl;=
w:o,g,s,d"

will provide the full list of SID and ACL of the file=20
or directory. The answer is a bit cryptic but it is very detailed.=20

After that you can create,by hand, the right reference in
your=20
/etc/passwd and /etc/group=20

>=20
> >> Do I need to change
> >>> the mount options for /cygdrive?
> >> Should I assume from the lack of any response that
> there is
> >> no fix
> >> for this?
> >>=20
> >> -- Wes Barris
> >=20
> > I should say no
> > Marco
>=20
> -- Wes Barris

Marco





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