[libvirt PATCH 7/9] remote: introduce virtd-nc helper binary

[Daniel P. Berrangé]

On Fri, Jul 10, 2020 at 02:04:00PM +0200, Michal Privoznik wrote:
> On 7/9/20 8:36 PM, Daniel P. Berrangé wrote:
> > When accessing libvirtd over a SSH tunnel, the remote driver must spawn
> > the remote 'nc' process, pointing it to the libvirtd socket path. This
> > is problematic for a number of reasons:
> > 
> >   - The socket path varies according to the --prefix chosen at build
> >     time. The remote client is seeing the local prefix, but what we
> >     need is the remote prefix
> > 
> >   - The socket path varies according to remote env variables, such as
> >     the XDG_RUNTIME_DIR location. Again we see the local XDG_RUNTIME_DIR
> >     value, but what we need is the remote value (if any)
> > 
> >   - We can not able to autospawn the libvirtd daemon for session mode
> >     access
> > 
> > To address these problems this patch introduces the 'virtd-nc' helper
> > program which takes the URI for the remote driver as a CLI parameter.
> > It then figures out the socket path to connect to using the same
> > code as the remote driver does on the remote host.
> > 
> > Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> > ---
> >   build-aux/syntax-check.mk  |   2 +-
> >   po/POTFILES.in             |   1 +
> >   src/remote/Makefile.inc.am |  30 +++
> >   src/remote/remote_nc.c     | 424 +++++++++++++++++++++++++++++++++++++
> >   src/rpc/virnetsocket.h     |   1 +
> >   5 files changed, 457 insertions(+), 1 deletion(-)
> >   create mode 100644 src/remote/remote_nc.c
> 
> The spec file needs to be updated too.

Oh right, of course.

Regards,
Daniel
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