Date: Wed, 6 Mar 2013 18:57:21 GMT From: Martin Simmons <martin@lispworks.com> To: Larry Rosenman <ler@lerctr.org> Cc: tevans.uk@googlemail.com, freebsd-fs@freebsd.org, ronald-freebsd8@klop.yi.org Subject: Re: zfs send/recv invalid data Message-ID: <201303061857.r26IvLnc024186@higson.cam.lispworks.com> In-Reply-To: <920990505611cd96a075c80d06691bb0@webmail.lerctr.org> (message from Larry Rosenman on Wed, 06 Mar 2013 05:07:28 -0600) 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%2BfTk6qfCyT-Q8fA@mail.gmail.com> <6dcfb2284551025af3cf58703a2b5cdc@webmail.lerctr.org> <920990505611cd96a075c80d06691bb0@webmail.lerctr.org>
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>>>>> 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
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