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2e43cb8e90
I finally have all the pieces in place to perform a block-commit with SELinux enforcing. There's still missing cleanup work when the commit completes, but doing that requires tracking both the backing chain and the base and top files within that chain in domain XML across libvirtd restarts. Furthermore, from a security standpoint, once you have granted access, you must assume any damage that can be done will be done; later revoking access is nice to minimize the window of damage, but less important as it does not affect the fact that damage can be done in the first place. Therefore, deferring the revoke efforts until we have better XML tracking of what chain operations are in effect, including across a libvirtd restart, is reasonable. * src/qemu/qemu_driver.c (qemuDomainBlockCommit): Label disks as needed. (qemuDomainPrepareDiskChainElement): Cast away const.
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>