From: "Larry Hall (Cygwin)" <reply-to-list-only-lh@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Problem with "None" Group on Non-Domain Members
Date: Mon, 05 May 2014 22:09:00 -0000 [thread overview]
Message-ID: <53680C04.6050609@cygwin.com> (raw)
In-Reply-To: <5368094E.7040806@breisch.org>
On 05/05/2014 05:57 PM, Chris J. Breisch wrote:
> Larry Hall (Cygwin) wrote:
>> On 05/05/2014 02:56 PM, Chris J. Breisch wrote:
>>> Corinna Vinschen wrote:
>>>> On May 5 12:17, Chris J. Breisch wrote:
>>>>> Corinna Vinschen wrote:
>>>>>> An strace of `chmod 400 bar' might sched some light on this issue,
>>>>>> but I
>>>>>> have a gut feeling the underlying WIndows call will not even return an
>>>>>> error code...
>>>>> Attached. Your gut seems to be working today...
>>>>
>>>> There *is* something weird here. Look at this:
>>>>
>>>>> 151 36702 [main] chmod 5536 alloc_sd: uid 1001, gid 513, attribute
>>>>> 0x2190
>>>>> 65 36767 [main] chmod 5536 cygsid::debug_print: alloc_sd: owner SID
>>>>> = S-1-5-21-3514886939-1786686319-3519756147-1001 (+)
>>>>> 70 36837 [main] chmod 5536 cygsid::debug_print: alloc_sd: group SID
>>>>> = S-1-5-21-3514886939-1786686319-3519756147-1001 (+)
>>>>
>>>> alloc_sd (the underlying function creating a security descriptor) gets
>>>> a uid 1001 and gid 513 as input, as usual. But the owner *and* group
>>>> SIDs of the file's existing security descriptor is
>>>> S-1-5-21-3514886939-1786686319-3519756147-1001, the SID of your user
>>>> account.
>>>>
>>>> Why is your user account the primary group of the file, even though
>>>> your user token definitely has "None" (513) as its primary group?
>>>> How did it get there?
>>>>
>>> I don't have a clue. You're the expert. :)
>>>
>>
>> I'm wondering if we're getting the user id as the group for the MS
>> Account because there is no group id. Chris, what does 'id' for
>> each of these accounts look like and is the group id (assuming they
>> are different that the user id) in there?
>>
>>
>
> Well, I hope I'm not comparing apples and oranges, because now I'm at home.
> However, I have duplicated the scenario and results on this machine. It was
> actually where I noticed it first.
>
> id produces expected results:
>
> MS account:
> $ id
> uid=1001(Chris) gid=513(None) groups=513(None),545(Users),1003(HomeUsers)
>
> Local account:
> $ id
> uid=1007(cjb) gid=513(None) groups=513(None),545(Users),1003(HomeUsers)
<snip>
OK, thanks. That answers my question but doesn't give any insight into
the original issue. :-(
--
Larry
_____________________________________________________________________
A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email?
--
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next prev parent reply other threads:[~2014-05-05 22:09 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 13:49 Chris J. Breisch
2014-05-05 13:59 ` Corinna Vinschen
2014-05-05 14:17 ` Chris J. Breisch
2014-05-05 14:47 ` Corinna Vinschen
2014-05-05 15:23 ` Chris J. Breisch
2014-05-05 15:42 ` Corinna Vinschen
2014-05-05 16:17 ` Chris J. Breisch
2014-05-05 16:57 ` Corinna Vinschen
2014-05-05 18:52 ` Robert Pendell
2014-05-06 13:02 ` Corinna Vinschen
2014-05-05 18:56 ` Chris J. Breisch
2014-05-05 19:44 ` Larry Hall (Cygwin)
2014-05-05 21:57 ` Chris J. Breisch
2014-05-05 22:07 ` Chris J. Breisch
2014-05-05 22:29 ` Larry Hall (Cygwin)
2014-05-05 22:39 ` Chris J. Breisch
2014-05-06 0:43 ` Larry Hall (Cygwin)
2014-05-06 12:23 ` Chris J. Breisch
2014-05-05 22:09 ` Larry Hall (Cygwin) [this message]
2014-05-06 12:52 ` Microsoft Accounts (was Re: Problem with "None" Group on Non-Domain Members) Corinna Vinschen
2014-05-06 12:55 ` Corinna Vinschen
2014-05-06 13:01 ` Corinna Vinschen
2014-05-07 12:26 ` vlado99
2014-05-07 12:43 ` Corinna Vinschen
2014-05-06 17:01 ` Chris J. Breisch
2014-05-06 17:16 ` Corinna Vinschen
2014-05-06 18:22 ` Chris J. Breisch
2014-05-07 11:57 ` Corinna Vinschen
2014-05-07 12:40 ` Corinna Vinschen
2014-05-07 14:09 ` Chris J. Breisch
2014-05-07 14:46 ` Corinna Vinschen
2014-05-08 20:09 ` Corinna Vinschen
2014-05-08 23:18 ` Robert Pendell
2014-05-09 0:12 ` Ken Brown
2014-05-09 1:34 ` Robert Pendell
2014-05-09 6:11 ` Achim Gratz
2014-05-09 7:42 ` Corinna Vinschen
2014-05-07 14:05 ` Andrey Repin
2014-05-07 14:20 ` Corinna Vinschen
2014-05-07 14:43 ` Corinna Vinschen
2014-05-07 14:05 ` Chris J. Breisch
2014-05-07 14:35 ` Corinna Vinschen
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