GNU bug report logs - #98
23.0.60; uid problems on w32

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Jason Rumney <jasonr <at> gnu.org>
Subject: bug#98: marked as done (23.0.60; uid problems on w32)

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Your message dated Fri, 11 Apr 2008 21:54:07 +0100
with message-id <47FFCFEF.6040202 <at> gnu.org>
and subject line [Fwd: Re: 23.0.60; uid problems on w32]
has caused the Emacs bug report #98,
regarding 23.0.60; uid problems on w32
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact don <at> donarmstrong.com
immediately.)


-- 
98: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=98
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: "Lennart Borgman \(gmail\)" <lennart.borgman <at> gmail.com>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.0.60; uid problems on w32
Date: Sat, 29 Mar 2008 23:09:07 +0100

I have got at bug report from Thierry Daucourt through

  http://www.emacswiki.org/cgi-bin/wiki/EmacsW32

It looks like this could be a bug in Emacs. The crucial part of that bug 
report are the values investigated at the end of 
`server-ensure-safe-dir' where the user get the following for 
file-attributes and user-id:

 attrs (t 1 -14706 513 (18414 17797) (18414 17797) (18414 17797) 0 
drwxrwxrwx
 nil 34842 (7173 . 33003))
 nth 2 attrs **-14706**
 user id **50830**

He also checked with Cygwin which gave other values than the two 
different above for the uid:

 $ ls -ld server/
 drwxr-xr-x+ 2 my_user mkgroup-l-d 0 Mar 29 14:35 server/
 $ id
 uid=**60830**(my_user) gid=10545(mkgroup-l-d) 
groups=0(root),544(Administrators),545(Users),10545(mkgroup-l-d)


If I do not misunderstand him he has got these values from the unpatched 
version below.

In GNU Emacs 23.0.60.1 (i386-mingw-nt5.1.2600)
 of 2008-03-25

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From: Jason Rumney <jasonr <at> gnu.org>
To: 98-done <at> debbugs.gnu.org
Subject: [Fwd: Re: 23.0.60; uid problems on w32]
Date: Fri, 11 Apr 2008 21:54:07 +0100

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[Re: 23.0.60; uid problems on w32.eml (message/rfc822, inline)]

From: Jason Rumney <jasonr <at> gnu.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: monnier <at> iro.umontreal.ca, emacs-pretest-bug <at> gnu.org, 
 lennart.borgman <at> gmail.com
Subject: Re: 23.0.60; uid problems on w32
Date: Mon, 31 Mar 2008 15:28:15 +0100

Eli Zaretskii wrote:
>> Eli Zaretskii wrote:
>>     
>>> Actually, one (in `struct passwd') is `signed int', the other (in
>>> `struct stat') is `signed short'.  Darn that MS-supplied stat.h!
>>>       
>
> OK, I will add this to my todo.  Thanks.
>   

I have just checked in a hack to Ffile_attributes that casts the uid in 
the stat structure to unsigned short on windows to make it consistent 
with getuid.
You'll need to remove this hack if/when you make the above more 
comprehensive change. I think the current %= 60001 in several places in 
w32.c where uid and gid are initialised will be able to be removed once 
you have made this change too.

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