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Subject:	Re: More testing needed: New passwd/group AD/SAM integration
References:	<20140513105832 DOT GM2436 AT calimero DOT vinschen DOT de> <f5biop9x55t DOT fsf AT troutbeck DOT inf DOT ed DOT ac DOT uk> <20140513145247 DOT GQ2436 AT calimero DOT vinschen DOT de> <20140513161626 DOT GT2436 AT calimero DOT vinschen DOT de> <f5ba9aliqv0 DOT fsf AT troutbeck DOT inf DOT ed DOT ac DOT uk> <20140513164122 DOT GU2436 AT calimero DOT vinschen DOT de> <f5b61l9io4h DOT fsf AT troutbeck DOT inf DOT ed DOT ac DOT uk> <20140513191732 DOT GX2436 AT calimero DOT vinschen DOT de>
From:	ht AT inf DOT ed DOT ac DOT uk (Henry S. Thompson)
Date:	Tue, 13 May 2014 22:15:02 +0100
In-Reply-To:	<20140513191732.GX2436@calimero.vinschen.de> (Corinna Vinschen's message of "Tue\, 13 May 2014 21\:17\:32 +0200")
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Corinna Vinschen writes:

> On May 13 18:29, Henry S. Thompson wrote:

>> Glitch (also true for x86 1.7.29-2):
>>   id returns effectively immediately for all users and non-users _except_:
>>    > time id Administrators
>>     uid=544(+Administrators) gid=544(+Administrators)
>>     groups=11(+Authenticated Users),544(+Administrators)
>> 
>>     real    0m2.296s
>>     user    0m0.015s
>>     sys     0m0.015s
>
> This shouldn't happen as long as we still have the "+" prepended to
> BUILTIN accounts(*).  And, as a matter of fact, I can't reproduce this
> with the latest from CVS (== the snapshot you're testing).  Did you exit
> your shell and restart it after creating the /etc/nsswitch.conf file as
> described in my preliminary documentation?

Yes, and I just re-did that, and I'm still getting the delay.  You did
notice that it's the plural version (Administrator_s_) that has the
delay -- Administrator (no 's') is just as fast as all the others.

Adding the '+' doesn't change the behaviour.

Ah, it occured to me to do an strace, and I found the culprit, I
think:

   19  392152 [main] id 16856 stat_worker: 0 = (\??\C:\C64\dev,0x1802C2940)
   26  392178 [main] id 16856 fstat64: 0 = fstat(1, 0x23A4F0)
   30  392208 [main] id 16856 isatty: 1 = isatty(1)
 1085  393293 [main] id 16856 pwdgrp::fetch_account_from_windows: line: <+Administrators:*:544:544:,S-1-5-32-544:/:/sbin/nologin>
2253178 2646471 [main] id 16856 seterrno_from_win_error: /home/cygnus/vinschen/mknetrel/src/cygwin-snapshot-20140513-1/winsup/cygwin/sec_auth.cc:244 windows error 1355
  187 2646658 [main] id 16856 geterrno_from_win_error: unknown windows
error 1355, setting errno to 13

Does that help?

> (*) I'd be grateful for input to the questions I asked in my OP, too.

Sorry, I am just a Un*x guy trying to live on a Windows box, I have
nothing like the necessary Windows sysadmin background to have an
opinion.  I thought I would try your snapshots precisely _because_ I
understand almost nothing about all this -- I followed the 'mkpasswd'
instructions 8 years ago, and never touched things after that, and I
was just trying to help by seeing if there was anything a trial by a
naive user could uncover before things got fully released.

ht
-- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
                Fax: (44) 131 650-4587, e-mail: ht AT inf DOT ed DOT ac DOT uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
 [mail from me _always_ has a .sig like this -- mail without it is forged spam]

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