From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: POSIX permission mapping and NULL SIDs
Date: Mon, 27 Jun 2016 13:20:00 -0000 [thread overview]
Message-ID: <20160627102908.GB8258@calimero.vinschen.de> (raw)
In-Reply-To: <D3930943.96B5%billziss@navimatics.com>
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On Jun 24 23:03, Bill Zissimopoulos wrote:
> On 6/24/16, 3:53 PM, "cygwin-owner@cygwin.com on behalf of Bill
> Zissimopoulos" <cygwin-owner@cygwin.com on behalf of
> billziss@navimatics.com> wrote:
>
>
> >One caveat is that Cygwin already maps S-1-5-7 to uid 7. So does that mean
> >that 7==nobody in Cygwin’s case?
>
> Here is output from Cygwin/SSHFS after mapping “nobody/nogroup” to S-1-5-7:
> <<
> billziss@windows:~$ cd /cygdrive/y
> billziss@windows:/cygdrive/y$ ls -la
> total 8
> drwxr-xr-x 1 billziss ANONYMOUS LOGON 0 Jun 23 23:57 .
> dr-xr-xr-x 1 billziss None 0 Jun 24 15:56 ..
> -rw-r--r-- 1 billziss ANONYMOUS LOGON 15 Jun 23 23:57 Foo.txt
> billziss@windows:/cygdrive/y$ cacls Foo.txt /S
> Y:\Foo.txt
> "D:P(A;;0x1f019f;;;S-1-5-21-383059176-2062642591-2866287538-1001)(A;;FR;;;A
> N)(A;;FR;;;WD)"
>
> billziss@windows:/cygdrive/y$ ls -lna
> total 8
> drwxr-xr-x 1 197609 7 0 Jun 23 23:57 .
> dr-xr-xr-x 1 197609 197121 0 Jun 24 15:58 ..
> -rw-r--r-- 1 197609 7 15 Jun 23 23:57 Foo.txt
> billziss@windows:/cygdrive/y$
>
> >>
>
>
> Opinions?
Let's better not use anonymous. It could be a security risk. It might
not do harm, but it also might give unwanted access rights in some
scenarios.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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next prev parent reply other threads:[~2016-06-27 10:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-24 19:02 Bill Zissimopoulos
2016-06-24 21:37 ` Corinna Vinschen
2016-06-24 22:00 ` Corinna Vinschen
2016-06-24 22:06 ` Bill Zissimopoulos
2016-06-24 22:31 ` Corinna Vinschen
2016-06-24 22:36 ` Erik Soderquist
2016-06-24 23:03 ` Bill Zissimopoulos
2016-06-24 23:51 ` Bill Zissimopoulos
2016-06-27 13:20 ` Corinna Vinschen [this message]
2016-06-24 22:53 ` Bill Zissimopoulos
2016-06-25 17:10 ` Brian Inglis
2016-06-27 10:26 ` Bill Zissimopoulos
2016-06-27 10:29 ` Andrey Repin
2016-06-27 12:06 ` Corinna Vinschen
2016-06-27 20:31 ` Bill Zissimopoulos
2016-06-28 11:08 ` Corinna Vinschen
2016-06-28 19:17 ` Bill Zissimopoulos
2016-06-28 19:17 ` John Ruckstuhl
2016-06-29 8:43 ` Corinna Vinschen
2016-06-29 15:14 ` Corinna Vinschen
2016-06-29 16:06 ` Corinna Vinschen
2016-06-30 9:26 ` Bill Zissimopoulos
2016-06-30 14:15 ` Corinna Vinschen
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