extended attribute get/set; in the case of get an uninitialized user
buffer was passed before the EA was retrieved, making it of relatively
little use; the latter was simply unused by any policies.
Obtained from: TrustedBSD Project
Sponsored by: Google, Inc.
access control checks in mac_bsdextended are not in the same
namespace as the MBI_ flags used in ugidfw policies, so add an
explicit conversion routine to get from one to the other.
Obtained from: TrustedBSD Project
to add more V* constants, and the variables changed by this patch were often
being assigned to mode_t variables, which is 16 bit.
Approved by: rwatson (mentor)
control logic and policy registration remaining in that file, and access
control checks broken out into other files by class of check.
Obtained from: TrustedBSD Project
