X-Recipient: archive-cygwin AT delorie DOT com
DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:to:from:subject:date:message-id:references
	:mime-version:content-type:content-transfer-encoding; q=dns; s=
	default; b=ncfO1eDb6VYWfvGot7taptVlMC0Ly7bRIiDoWzEqA6UQFiB7y9IkW
	9US1yff4GK8gb9kHiKisRHGPautUF4w5mCHAQz0urZgg2fFnB0IyNFqY0MQZU9X+
	RgKZwlDISd2y76OfvyiHoNkjkHEboj7OqWR4KRtWka7TMHTUkl2ZCw=
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:to:from:subject:date:message-id:references
	:mime-version:content-type:content-transfer-encoding; s=default;
	 bh=R7tjx7Ue8g541euk0uTM8sXeWoA=; b=UhIlhN0wpN8eFWoyuYusp9C2K9VY
	vCCCPpNWH5G0/wsxSZAyh8rhdrmFVtaPJfFzlaWSPGEWcMWwD5AO4NVyAcmjVvyL
	bqvzXJUAvz9ncZvsCLCUONYwi0vSAhdulBfFaAiyGquKlc+QOe/dZbfdNvCXL+Yt
	IHa3SL/CA4CBh9o=
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Authentication-Results: sourceware.org; auth=none
X-Virus-Found: No
X-Spam-SWARE-Status: No, score=1.4 required=5.0 tests=AWL,BAYES_50,FREEMAIL_FROM,KHOP_THREADED,RCVD_IN_PBL,RCVD_IN_SORBS_DUL,RDNS_NONE,SPF_FAIL autolearn=no version=3.3.2
X-HELO: plane.gmane.org
To: cygwin AT cygwin DOT com
From: Matthias Meyer <matthias DOT meyer AT gmx DOT li>
Subject: Re: How to read ntfs_reparse_data
Followup-To: gmane.os.cygwin
Date: Fri, 13 Sep 2013 19:14:36 +0200
Lines: 61
Message-ID: <l0vh5k$bui$1@ger.gmane.org>
References: <l0qodr$5cn$1 AT ger DOT gmane DOT org> <473536895 DOT 20130912015738 AT mtu-net DOT ru> <l0t81p$6te$1 AT ger DOT gmane DOT org> <243576293 DOT 20130913015334 AT mtu-net DOT ru>
Mime-Version: 1.0
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7Bit
User-Agent: KNode/4.4.11
X-IsSubscribed: yes

Andrey Repin wrote:

> Greetings, Matthias Meyer!
> 
>>>> I've installed cygwin 1.7.20 on my Windows7 and try to get reparse data
>>>> of a junction point:
>>>> getfattr -h -e hex -n system.ntfs_reparse_data
>>>> /cygdrive/C/Users/Default\ User but I get an error:
>>>> /cygdrive/C/Users/Default User: system.ntfs_reparse_data: Not supported
>>> 
>>>> If I mount the drive in Linux with ntfs-3g it will work. I get:
>>>> # file: /cygdrive/C/Users/Default User
>>>> system.ntfs_reparse_data=0x030000a0f00000000000760078006e005c....
>>> 
>>>> Anyone knows this "problem"? Is there a(nother) way to get the
>>>> system.ntfs_reparse_data? Maybee with a windows program?
>>> 
>>>> I'ld like to restore a junction point within Linux/ntfs-3g.
>>> 
>>> http://www.cygwin.com/
>>> The first four paragraphs.
>>> TL;DR: You're looking the wrong way.
> 
>> Thanks for the answer but it doesn't help me ;)
> 
> Ok, I can give you another answer, more detailed, but I have no idea, how
> much more usable, as I'm no expert in low-level NTFS specifics.
> I can imagine Cygwin tools being able to read, store and restore
> OS-specific file attributes, but I doubt these attributes have any use
> outside OS. I.e., I was unable to use NTFS junction point under Linux.
But not me ;)
If I can get the reparse data of a junction and store it in a backup I'm 
able to boot a PC into Linux and recreate the junction-point. That's my 
goal.
> Junction was to a second partition of the same drive, so there's no
> possibility of missing partitions or similar mistakes on my part. ntfs-3g
> just doesn't work the same way, as native Windows NTFS driver.
Maybee I missunderstood what you are saying. My english isn't well too :)
But ntfs-3g supports the reparse data. I can read (getfattr) the reparse 
data and I can create (setfattr) junctions too.
Unfortunatly it seems that getfattr didn't read the reparse data in cygwin 
environment.
> 
> Oh, also... Are you sure you have full low-level access to partition in
> question? I.e., it is not blocked by antivirus, or UAC?
> 
No, I'm not sure. In the meantime I find fsutil.exe and tried:
C:\> cd \Users\meyer
C:\> fsutil Cookies
Error: Access is denied.

But than I tried:
C:\> mklink /J test C:\Users\meyer\AppData\Roaming\....\Cookies
C:\> fsutil test
and this will work. I get my reparse data :)
I will see if I can reuse this data with setfattr.

br
Matthias
-- 
Don't Panic


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple