[libvirt] [PATCH] Introduce gnutls_priority config option

Ján Tomko jtomko at redhat.com
Thu May 19 11:47:02 UTC 2016

On Thu, May 19, 2016 at 10:36:26AM +0100, Daniel P. Berrange wrote:
> On Wed, May 18, 2016 at 01:54:47PM +0200, Ján Tomko wrote:
> > The defaults provided by gnutls_set_default_priority are not configurable
> > at runtime. Introduce a new config option to libvirt.conf that will
> > be passed to gnutls_priority_set.
> > 
> > One of the possible options is "@SYSTEM", where gnutls will get the settings
> > from /etc/gnutls/default-priorities.
> > 
> > Note that the /etc/libvirt/libvirt.conf file is only used by libvirt
> > processes running as root, for regular users the file in
> > $XDG_CONFIG_HOME or ~/.config is used.
> > 
> > https://bugzilla.redhat.com/show_bug.cgi?id=1333404
> NACK,  per that bug this is supposed to be configurable systemwide for
> gnutls. We need to investigate why Jaroslav could not get that to work,
> since we don't want to be adding custom application specific TLS config
> for every part of the virt stack that uses TLS (libvirt, gtk-vnc, spice-gtk,
> spice, qemu, etc).

I could not get it to work either.
Using "NORMAL" either directly or via gnutls_set_default_priority,
the default-settings file is ignored.

Skimming through gnutls code, I assumed this was intentional.


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