Re: [PATCH] Prevent streams from becoming libvirtd controlling TTY

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Mar 13, 2013 at 04:33:34PM -0600, Eric Blake wrote:
> On 03/13/2013 11:24 AM, Daniel P. Berrange wrote:
> > From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
> > 
> > When opening a stream to a device which is a TTY, that device
> > may become the controlling TTY of libvirtd, if libvirtd was
> > daemonized. This in turn means when the other end of the stream
> > closes, libvirtd gets SIGHUP, causing it to reload its config.
> > Prevent this by forcing O_NOCTTY on all streams that are opened
> > 
> > Signed-off-by: Daniel P. Berrange <berrange@xxxxxxxxxx>
> > ---
> >  src/fdstream.c | 2 ++
> >  1 file changed, 2 insertions(+)
> 
> ACK.  Bet you had fun tracking down that dark corner of POSIX.

I can think of many appropriate words for what I had to do to
discover this. 'fun' is not one of them :-P

Daniel
-- 
|: http://berrange.com      -o-    http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org              -o-             http://virt-manager.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org       -o-       http://live.gnome.org/gtk-vnc :|

--
libvir-list mailing list
libvir-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/libvir-list


[Index of Archives]     [Virt Tools]     [Libvirt Users]     [Lib OS Info]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]     [Fedora Tools]