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Christophe Fergeau
eda0fc7a82
It's possible to disable SPICE TLS in qemu.conf. When this happens,
libvirt ignores any SPICE TLS port or x509 directory that may have
been set when it builds the qemu command line to use. However, it's
not ignoring the secure channels that may have been set and adds
tls-channel arguments to qemu command line.
Current qemu versions don't report an error when this happens, and try to use
TLS for the specified channels.
Before this patch
<domain type='kvm'>
<name>auto-tls-port</name>
<memory>65536</memory>
<os>
<type arch='x86_64' machine='pc'>hvm</type>
</os>
<devices>
<graphics type='spice' port='5900' tlsPort='-1' autoport='yes' listen='0' ke
<listen type='address' address='0'/>
<channel name='main' mode='secure'/>
<channel name='inputs' mode='secure'/>
</graphics>
</devices>
</domain>
generates
-spice port=5900,addr=0,disable-ticketing,tls-channel=main,tls-channel=inputs
and starts QEMU.
After this patch, an error is reported if a TLS port is set in the XML
or if secure channels are specified but TLS is disabled in qemu.conf.
This is the behaviour the oVirt people (where I spotted this issue) said
they would expect.
This fixes bug #790436
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>