9P/SELinux: fixes bug when managing flags EXPORT_OPTION_SELINUX

Change-Id: Ia150c9288b4f2bca6019f0147a401a958bd9952c
Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>
Export management : adds a "selinux" SecType

Change-Id: I73c77b538972053e22d876f5ce6db0cc9a178c0e
Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>
Adds selinux related code in 9P.

This commit adds selinux related code in 9P. This is done
by adding a call to a function that does selinux checking by
using selinux_check_access().
SElinux source context is passed to Ganesha via the TAUTH message.
Selinux support is activated bu using "cmake -DUSE_SELINUX=ON ..."

Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>
Change-Id: I77d8b9335a31234666a008937981ee7451e0b934

squash me

Change-Id: I6f3d33ad6d2e79e2378d784d39e4699eb6c3d394
Signed-off-by: Philippe DENIEL <philippe.deniel@cea.fr>