openssh bugs - Mar 2004 - [Bug 813] Scp to s Solaris 9 box gives "exit status 1" although file is delivered.

http://bugzilla.mindrot.org/show_bug.cgi?id=813

           Summary: Scp to s Solaris 9 box gives "exit status 1"
although
                    file is delivered.
           Product: Portable OpenSSH
           Version: 3.8p1
          Platform: Sparc
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: P2
         Component: scp
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: stefan at stebo.se


When doing scp from a Solaris 8 (openssh 3.8p1) to a Solaris 9 (Sun Secure 
Shel) i get "exit status 1" even though the file is delivered.

p950sts at sshgw1$ scp junk 10.137.52.240:~/; echo $?; echo $?
p950sts at 10.137.52.240's password: 
junk                                          100%   11KB   0.0KB/s   00:00    
1

Have done lots of tests with different OS versions (i.e. 5.6, 7, 8, 9).
When using openssh on serverside there is no problem.
The problem only occurs when doing a scp to a Solaris 9 Sun SecureShell (with 
ssh pathes installed).
The problem does not occur when serverside uses the NISPlus naming service.

Regards 
Stefan



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------- Additional Comments From stefan at stebo.se  2004-03-17 20:06 -------
Created an attachment (id=573)
 --> (http://bugzilla.mindrot.org/attachment.cgi?id=573&action=view)
Debug from client and server side




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------- Additional Comments From dtucker at zip.com.au  2004-03-17 23:38 -------
What result does this give?
ssh sol9box "exit 0" ; echo $?




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------- Additional Comments From stefan at stebo.se  2004-03-18 01:26 -------
p950sts at sshgw1$ ssh 10.137.52.240 "exit 0"; echo $?
p950sts at 10.137.52.240's password: 
0

Gives 0.



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------- Additional Comments From dtucker at zip.com.au  2004-03-18 09:16 -------
Does scp'ing to the sol9 box itself give the correct error code?  ie
sol9box$ scp junk sol9box:/tmp ; echo $?

Can you try temporarily swapping the scp on the Solaris 9 box for OpenSSH's
and
see if that works?



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------- Additional Comments From stefan at stebo.se  2004-03-18 21:47 -------
No, 

scp'ing the sol9box will not produce any error output and it exits with a 0,
I
have only seen this problem between Sol 7 & 8 to sol9. 

One strange thing is that this problem does not occur on Sol9 boxes using 
NISPlus.

The swapping of scp did not produce anything new, same result as before.



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------- Additional Comments From dtucker at zip.com.au  2004-03-21 16:25 -------
I've been meaning to install Solaris 9, this finally gave me an excuse.  I
can
reproduce it with OpenSSH talking to SunSSH, but it seems very inconsistent:

$ for i in `seq 1 30`; do scp -q hello.c sol9box:/tmp ; echo -n "$? ";
done; echo
0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0




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------- Additional Comments From dtucker at zip.com.au  2004-03-21 16:48 -------
OK, I'm now pretty sure it's not the exit status of the remote
"scp" command.

I replaced the Solaris /usr/bin/scp with the following shell script, and I still
get the inconsistent results.

#!/bin/sh
/usr/bin/scp.orig $*
exit 0




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dtucker at zip.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From dtucker at zip.com.au  2004-03-21 18:15 -------
Hmmm.  Firstly, it looks like SunSSH's ssh doesn't collect the return
code properly.

$ uname -a
SunOS sol9box 5.9 Generic_112233-11 sun4m sparc SUNW,SPARCstation-5
$showrev -p |grep 113273
Patch: 113273-05 Obsoletes:  Requires:  Incompatibles:  Packages: SUNWsshdu
$ /usr/bin/ssh -V
SSH Version Sun_SSH_1.0, protocol versions 1.5/2.0.
$ /usr/bin/ssh sol9box /usr/bin/true; echo $?
255

Because of this, I'm using "ssh" from OpenSSH 3.8p1 for the rest
of these tests.

$ dd if=/dev/zero of=tmpfile bs=1k count=5
$ for i in `seq 1 30`; do /usr/local/bin/ssh <tmpfile sol9box "cat
>/dev/null;
exit 0" ; echo -n "$? "; done; echo
255 0 255 0 255 0 255 255 0 0 0 255 0 255 0 0 255 0 255 0 255 0 255 255 0 255 0
255 0 255

For comparison, here's the output of the same command on Solaris 8 with
OpenSSH's sshd (3.7.1p2):
$ for i in `seq 1 30`; do /usr/local/bin/ssh <tmpfile sol8box "cat
>/dev/null;
exit 0" ; echo -n "$? "; done; echo
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Conclusion: SunSSH's sshd does not always provide correct return codes when
dealing with input to non-interactive commands.  Report the bug to Sun, or
install OpenSSH.



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------- Additional Comments From djm at mindrot.org  2004-03-21 18:29 -------
I bet that Sun is using one of the broken hang-on-exit "fixes"



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------- Additional Comments From stefan at stebo.se  2004-03-21 20:42 -------
Thanks, that helped a lot!
I'll contact Sun and see what they can do. I'll report back as soon as I
get
more info. 



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roland.mainz at nrubsig.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |Darren.Moffat at Sun.COM



------- Additional Comments From roland.mainz at nrubsig.org  2004-03-31 03:12
-------
Darren:
Can you take a quick look at this issue, please ?



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