From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: /dev/ptmx fails with Azure accounts
Date: Tue, 16 Aug 2016 16:07:00 -0000 [thread overview]
Message-ID: <20160816154526.5snup4t2423hijbu@calimero.vinschen.de> (raw)
In-Reply-To: <1471361255.019511497@apps.rackspace.com>
[-- Attachment #1: Type: text/plain, Size: 2566 bytes --]
Hi Russell,
On Aug 16 11:27, rmora@aboutgolf.com wrote:
> Hi Corinna
>
> On Tuesday, August 16, 2016 05:12, "Corinna Vinschen" <corinna-cygwin@cygwin.com> said:
>
> > Hi Russell,
> >
> > This is as bad as I feared. Apart from the username and the Windows
> > home dir, there are no other information which could be fetched by
> > the usual means. Quite apart from the fact that there are no means to
> > *store* this information somewhere, other than creating an explicit
> > /etc/passwd and matching /etc/group entry.
> >
> > But, anyway, I prepared some code for the Cygwin DLL to handle these
> > accounts even if no /etc/passwd and /etc/group entries are present. It
> > still needs some work, though, and for that I'd ask you to perform a
> > last test.
> >
> > I attached a short testcase. We know that LookupAccountSid from the
> > user SID in the user token returns a name (RussellMora) and a domain
> > (AzureAD). However, the open question is if the reverse operation
> > LookupAccountName works as desired when feeding it the domain name
> > and the user name. Actually, for completeness the testcase tries it
> > two ways: Once only with the username, once with dom\username.
> >
> > The reason for testing this is, if the reverse lookup works with only
> > the name we *could* go ahead and omit the domain from the Cygwin
> > username. I'm not yet sure if that's feasible, but it's certainly worth
> > a try.
> >
>
> Both seem to work. I guess what you are proposing makes sense - the
> AzureAD domain is like a single domain with multiple tenants (yeah, I
> don't really know what I'm talking about with respect to AD....).
> Anyway, let me know if you want me to do any more testing, I'm still
> very willing to be a Guinea Pig (squeek squeek) - thanks for figuring
> this out for me!
>
> Unknown+User@Lenovo-PC /cygdrive/c/cygwin64
> $ gcc -W azure-check5.c -l Netapi32 -o azure-check5
>
> Unknown+User@Lenovo-PC /cygdrive/c/cygwin64
> $ ./azure-check5
> Sid: S-1-12-1-2043906341-1249388050-2635137163-399631282
> Dom\Name: AzureAD\RussellMora
> Reverse Sid (RussellMora): S-1-12-1-2043906341-1249388050-2635137163-399631282
> Reverse Sid (AzureAD\RussellMora): S-1-12-1-2043906341-1249388050-2635137163-399631282
Good to know, thank you. Give me a bit and I'll come up with a Cygwin
DLL for testing.
Stay tuned,
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
next prev parent reply other threads:[~2016-08-16 15:45 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-03 6:19 rmora
2016-08-03 18:00 ` Corinna Vinschen
2016-08-03 18:17 ` rmora
2016-08-03 19:05 ` Corinna Vinschen
2016-08-03 19:47 ` Corinna Vinschen
2016-08-03 19:47 ` rmora
2016-08-04 9:13 ` Corinna Vinschen
2016-08-05 11:24 ` Corinna Vinschen
2016-08-05 17:52 ` Corinna Vinschen
2016-08-15 18:34 ` rmora
2016-08-07 5:52 ` Duncan Roe
2016-08-08 7:24 ` Corinna Vinschen
2016-08-08 12:42 ` Duncan Roe
2016-08-08 13:43 ` Corinna Vinschen
2016-08-15 16:49 ` rmora
2016-08-15 18:54 ` rmora
2016-08-16 10:32 ` Corinna Vinschen
2016-08-16 15:50 ` rmora
2016-08-16 16:07 ` Corinna Vinschen [this message]
2016-08-18 10:04 ` Corinna Vinschen
2016-08-19 9:09 ` Thomas Wolff
2016-08-19 12:28 ` Corinna Vinschen
2016-08-19 20:04 ` Thomas Wolff
2016-08-19 21:28 ` Erik Soderquist
2016-08-22 3:28 ` Thomas Wolff
2016-08-22 14:23 ` cyg Simple
2016-08-22 18:51 ` Achim Gratz
-- strict thread matches above, loose matches on Subject: below --
2016-08-02 15:45 rmora
2016-08-02 16:29 ` rmora
2016-08-02 16:54 ` Corinna Vinschen
2016-08-01 20:25 Thomas Wolff
2016-08-02 9:54 ` Corinna Vinschen
2016-08-02 13:50 ` Corinna Vinschen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160816154526.5snup4t2423hijbu@calimero.vinschen.de \
--to=corinna-cygwin@cygwin.com \
--cc=cygwin@cygwin.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).