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X-HELO: calimero.vinschen.de
Date: Wed, 18 Jun 2014 10:38:37 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: gecos from AD? (was Re: timeout in LDAP access)
Message-ID: <20140618083837.GW23700@calimero.vinschen.de>
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References: <F312783D-AD66-4614-922B-E44403C7E372 AT Denis-Excoffier DOT org> <20140617100011 DOT GL23700 AT calimero DOT vinschen DOT de> <20140617103014 DOT GP23700 AT calimero DOT vinschen DOT de> <8E2EDB1F-9A60-488B-929F-7E62C0808A3E AT Denis-Excoffier DOT org>
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On Jun 18 00:59, Denis Excoffier wrote:
> On 2014-06-17 12:30, Corinna Vinschen wrote:
> > On Jun 17 12:00, Corinna Vinschen wrote:
> >> On Jun 16 22:39, Denis Excoffier wrote:
> >>> Another (unrelated and less important) problem is that 'getent'
> >>> happily produces lines with some extra =E2=80=98:=E2=80=99, in partic=
ular when the
> >>> gecos field itself contains =E2=80=98:=E2=80=99.
> >>=20
> >> Wow, that *is* important.  All fields returned from the server have to
> >> get their colons converted to commas.  I'll fix that.
> >=20
> > While we're at it... do we really need the gecos info?  Cygwin fills
> > out this field with the Windows username and SID info for internal
> > purposes, and then adds the gecos info from AD.  However, it's just
> > informational and usually only used by the finger(1) tool.
> The gecos field from AD seems to be _prepended_ (not appended) to the
> username + SID.

Right, I just wasn't going for details.  The content of gecos is added
to the pw_gecos field, one way or another.

> In any case, it may represent some information with
> high added value (like user real name or e-mail address, depending on
> local rules of course). I would not vote for removing it.
>=20
> Why is it so clear that the =E2=80=98:=E2=80=99 should be replaced by a c=
omma? Here, we
> have situations where it contains something
> like =C2=AB Owner: Albert Einstein =C2=BB. An underscore could be more ap=
propriate.

The point is, the colon must be replaced with some other ASCII char.
I'm pretty sure this doesn't deserve another nsswitch.conf setting.
So we just choose *some* ASCII char and be done with it.  I don't like
the underscore but maybe space is ok.  Or semicolon.

> There is something more important: i=E2=80=99ve written in one of my prev=
ious
> messages that when =E2=80=98:=E2=80=99 occurs in gecos, the resulting =E2=
=80=98passwd=E2=80=99 file under
> =E2=80=98getent=E2=80=99 will contain more =E2=80=98:=E2=80=99 than expec=
ted, but this is incorrect. In fact
> (and i would like someone to try it), when =E2=80=98:=E2=80=99 is found w=
ithin the
> gecos field, =E2=80=98getent=E2=80=99 does not show the last (homedir) fi=
eld, and
> the count of =E2=80=98:=E2=80=99 is still correct. The problem might not =
be in getent after
> all.

Sure.  It's all occuring inside the Cygwin DLL.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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