See here:
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 false ; echo $?
[EMAIL PROTECTED]'s password:
255
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
0
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
255
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
255
MacBook-hns:~ hns$ true; echo $?
0
MacBook-hns:~ hns$ true; echo $?
0
MacBook-hns:~ hns$ true; echo $?
0
MacBook-hns:~ hns$ false; echo $?
1
MacBook-hns:~ hns$ false; echo $?
1
MacBook-hns:~ hns$ false; echo $?
1
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
0
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
0
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
255
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
255
MacBook-hns:~ hns$ ssh -l root 192.168.0.202 true ; echo $?
[EMAIL PROTECTED]'s password:
255
MacBook-hns:~ hns$
Am 11.08.2007 um 09:05 schrieb Dr. H. Nikolaus Schaller:
Does anybody have the same experience?
The symptom is that I sometimes get the correct exit status and
sometimes a 255 - for the same repeated command. i.e.:
$ ssh -l root 192.168.0.202 true ; echo $?
0
$ ssh -l root 192.168.0.202 true ; echo $?
255
Using ssh -vvv shows that the debug message:
debug1: client_input_channel_req: channel 0 rtype exit-status reply 0
is missing if ssh returns 255, i.e. dropbear does *not* provide the
exit status and the client substitutes -1.
This appears to me to be the same bug as in the Changelog (although
OpenMoko komes with version 0.49)
0.44 - Mon Jan 3 2005
- Avoid a race in server shell-handling code which prevents the
exit-code
from being returned to the client in some circumstances.
Does anybody know a fix or is dropbear broken? Or is OpenSSH
available for OpenMoko?
Nikolaus
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