From owner-freebsd-fs@FreeBSD.ORG  Wed Mar  6 19:08:57 2013
Return-Path: <owner-freebsd-fs@FreeBSD.ORG>
Delivered-To: freebsd-fs@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id EB9C9779
 for <freebsd-fs@freebsd.org>; Wed,  6 Mar 2013 19:08:57 +0000 (UTC)
 (envelope-from martin@lispworks.com)
Received: from lwfs1-cam.cam.lispworks.com (mail.lispworks.com
 [193.34.186.230]) by mx1.freebsd.org (Postfix) with ESMTP id 5E461F84
 for <freebsd-fs@freebsd.org>; Wed,  6 Mar 2013 19:08:55 +0000 (UTC)
Received: from higson.cam.lispworks.com (higson.cam.lispworks.com
 [192.168.1.7])
 by lwfs1-cam.cam.lispworks.com (8.14.5/8.14.5) with ESMTP id r26IvOCW045068;
 Wed, 6 Mar 2013 18:57:24 GMT (envelope-from martin@lispworks.com)
Received: from higson.cam.lispworks.com (localhost.localdomain [127.0.0.1]) by
 higson.cam.lispworks.com (8.14.4) id r26IvLj1024190;
 Wed, 6 Mar 2013 18:57:21 GMT
Received: (from martin@localhost)
 by higson.cam.lispworks.com (8.14.4/8.14.4/Submit) id r26IvLnc024186;
 Wed, 6 Mar 2013 18:57:21 GMT
Date: Wed, 6 Mar 2013 18:57:21 GMT
Message-Id: <201303061857.r26IvLnc024186@higson.cam.lispworks.com>
From: Martin Simmons <martin@lispworks.com>
To: Larry Rosenman <ler@lerctr.org>
In-reply-to: <920990505611cd96a075c80d06691bb0@webmail.lerctr.org> (message
 from Larry Rosenman on Wed, 06 Mar 2013 05:07:28 -0600)
Subject: Re: zfs send/recv invalid data
References: <7c93aef20a88cdbcca85739e67470dce@webmail.lerctr.org>
 <op.wthqmth68527sy@212-182-167-131.ip.telfort.nl>
 <25894116c93a59dab1fd976b425c36d1@webmail.lerctr.org>
 <07b59d5d4b2a3dab1385b054eea4f2da@webmail.lerctr.org>
 <A3EA720372254541BCCB6C92DBA36A0E@multiplay.co.uk>
 <7619c6383449c7a316edb1cdffc98c54@webmail.lerctr.org>
 <alpine.BSF.2.00.1303052052300.52489@thebighonker.lerctr.org>
 <473BCD0A4A7A4E6AB08409A9B0C82363@multiplay.co.uk>
 <d7c08e218ef301f1202354d0b11a6742@webmail.lerctr.org>
 <CAFHbX1LC25pyOBUGJ-PFxzTOXvJPYOF15H0+fTk6qfCyT-Q8fA@mail.gmail.com>
 <6dcfb2284551025af3cf58703a2b5cdc@webmail.lerctr.org>
 <920990505611cd96a075c80d06691bb0@webmail.lerctr.org>
Cc: tevans.uk@googlemail.com, freebsd-fs@freebsd.org,
 ronald-freebsd8@klop.yi.org
X-BeenThere: freebsd-fs@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Filesystems <freebsd-fs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-fs>
List-Post: <mailto:freebsd-fs@freebsd.org>
List-Help: <mailto:freebsd-fs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-fs>,
 <mailto:freebsd-fs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 06 Mar 2013 19:08:58 -0000

>>>>> On Wed, 06 Mar 2013 05:07:28 -0600, Larry Rosenman said:
> 
> On 2013-03-06 04:56, Larry Rosenman wrote:
> > On 2013-03-06 04:51, Tom Evans wrote:
> >> On Wed, Mar 6, 2013 at 10:46 AM, Larry Rosenman <ler@lerctr.org> 
> >> wrote:
> >>> So, you are correct that something(tm) is unclean about the ssh 
> >>> path.
> >>> 
> >> And what is it that is added? Surely that is trivial to determine?
> >> echo hello > foo
> >> cat foo | ssh host cat
> >> Cheers
> >> Tom
> > it seems to be bytestream dependent, as this simple case works, and
> > the vast majority of the sends work, but the particular
> > case in the thread does NOT.
> > 
> > # echo hello >foo
> > # cat foo | ssh home cat
> > hello
> > #
> stranger:
> $ cd /tmp
> $ cat send.stream | ssh home openssl md5
> (stdin)= 9cd1d73ea8411f1c222bc90e7bea3d33
> $ openssl md5 send.stream
> MD5(send.stream)= 9cd1d73ea8411f1c222bc90e7bea3d33
> $
> 
> so I'm not sure what is tripping it in the stream to a pipe case.

Is that running under the same uid?  The script you posted earlier runs the
pipe under ssh root@tbh.lerctr.org.

__Martin