[Bug 85] ssh -2 localhost od /bin/ls | true ignore SIGPIPE

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=85


Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
             Blocks|                            |1452




--- Comment #8 from Damien Miller <djm at mindrot.org>  2008-05-10 02:30:24 ---
A fix to this bug has been committed and, barring any problems, will be
in OpenSSH 5.1:

> CVSROOT:        /cvs
> Module name:    src
> Changes by:     markus at cvs.openbsd.org  2008/05/09 10:16:06
> 
> Modified files:
>         usr.bin/ssh    : session.c
> 
> Log message:
> re-add the USE_PIPES code and enable it.
> without pipes shutdown-read from the sshd does not trigger
> a SIGPIPE when the forked program does a write.
> 
> ok djm@
> 
> 
> CVSROOT:        /cvs
> Module name:    src
> Changes by:     markus at cvs.openbsd.org  2008/05/09 10:17:51
> 
> Modified files:
>         usr.bin/ssh    : channels.c
> 
> Log message:
> error-fd race: don't enable the error fd in the select bitmask
> for channels with both in- and output closed, since the channel
> will go away before we call select();
> report, lots of debugging help and ok djm@
> 
> 
> CVSROOT:        /cvs
> Module name:    src
> Changes by:     markus at cvs.openbsd.org  2008/05/09 10:21:13
> 
> Modified files:
>         usr.bin/ssh    : channels.h clientloop.c nchan.c serverloop.c
> 
> Log message:
> unbreak
> ssh -2 localhost od /bin/ls | true
> ignoring SIGPIPE by adding a new channel message (EOW) that signals
> the peer that we're not interested in any data it might send.
> fixes bz #85; discussion, debugging and ok djm@

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