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virCommand gets two new APIs: virCommandSetSELinuxLabel() and virCommandSetAppArmorProfile(), which both save a copy of a null-terminated string in the virCommand. During virCommandRun, if the string is non-NULL and we've been compiled with AppArmor and/or SELinux security driver support, the appropriate security library function is called for the child process, using the string that was previously set. In the case of SELinux, setexeccon_raw() is called, and for AppArmor, aa_change_profile() is called. This functionality has been added so that users of virCommand can use the upcoming virSecurityManagerSetChildProcessLabel() prior to running a child process, rather than needing to setup a hook function to be called (and in turn call virSecurityManagerSetProcessLabel()) *during* the setup of the child process.
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>