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When configuring serial, parallel, console or channel devices with a file, dev or pipe backend type, it is necessary to label the file path in the security drivers. For char devices of type file, it is neccessary to pre-create (touch) the file if it does not already exist since QEMU won't be allowed todo so itself. dev/pipe configs already require the admin to pre-create before starting the guest. * src/qemu/qemu_security_dac.c: set file ownership for character devices * src/security/security_selinux.c: Set file labeling for character devices * src/qemu/qemu_driver.c: Add character devices to cgroup ACL
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>