[Bug 1761] New: sftp exits on 2nd terminal resize after a transfer

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1761

           Summary: sftp exits on 2nd terminal resize after a transfer
           Product: Portable OpenSSH
           Version: 5.5p1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: sftp
        AssignedTo: unassigned-bugs at mindrot.org
        ReportedBy: ejsheldrake at googlemail.com


Created attachment 1844
  --> https://bugzilla.mindrot.org/attachment.cgi?id=1844
remove progress meter signal handlers in stop_progress_meter

sftp, when built with libedit (editline) support enabled, may exit
unexpectedly if you resize the terminal window after a transfer.

This is with libedit 20100424-3.0 (which fixed the resize problem in
libedit 20090923), but this appears to be a separate bug in sftp.

sftp handles any number of terminal resizes before a transfer, but
after a file transfer, it exits after 2 consecutive terminal resizes.

I think the problem may due to signal handlers (one for SIGWINCH, the
terminal resize signal) being set up in the progress meter code, but
these don't seem to be removed on disposing of the progress meter.
Well, at least the patch appears to fix the problem for me.

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