full-disclosure - annoying bug in Windows XP

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Message-ID: <20051016125319.C9426265F6@mail06.powweb.com>
Date: Sun Oct 16 13:53:27 2005
From: mvp at joeware.net (joe)
Subject: annoying bug in Windows XP

Yep it is a documented function. It is due to the implementation of
FindFirstFile which searches both long file names and short file names.

See Remarks in

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/fileio/fs/f
indfirstfile.asp

   joe

  _____  

From: full-disclosure-bounces@...ts.grok.org.uk
[mailto:full-disclosure-bounces@...ts.grok.org.uk] On Behalf Of Native.Code
Sent: Sunday, October 16, 2005 5:15 AM
To: full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] annoying bug in Windows XP

I won't say it is bug. It is expected behavior in 8.3 filesystem. Anyone who
has used Windows over a year knows this behavior.

On 10/16/05, Poof <poof@...subber.com> wrote: 

Yes, this occurs since you're just using the 8+3 filesystem with long
filenames. If you'll notice:

File1.jav shows as just that. While File1.java shows as File1~1.jav
(It usually hides the non-LFN tree with default dir flags. I don't remember
how to get it to show it all at this time.)

~

-----Original Message----- 
From: full-disclosure-bounces@...ts.grok.org.uk
[mailto:full-disclosure-bounces@...ts.grok.org.uk
<mailto:full-disclosure-bounces@...ts.grok.org.uk> ] On Behalf Of Frank
Dietrich
Sent: Sunday, October 16, 2005 1:25 AM
To: full-disclosure@...ts.grok.org.uk
Subject: [Full-disclosure] annoying bug in Windows XP 

Hi to all readers,

this day I found a annoying misbehavior in Windows XP professional
with SP2.

I had a directory with some Java sources (*.java) and some backup
files (*.jav). Because I din't longer need the backup files I would 
delete them with 'del *.jav'. But this command also delete all the
source files. #?%*. The last backup was 4 hours ago. :-/

So I tried what happen and the result is the command above checks
only the first three chars from the extension (DOS is alive). 

Here is how you can reproduce it:

mkdir testbug
cd testbug
rem.>file1.jav
rem.>file2.java
rem.>file3.javas
del *.jav

All three files are deleted. Is this a known bug or a unknown feature? 

Frank
--
21 is only half the truth
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_______________________________________________
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