How to add new audit class?

Hello, Freebsd-security.

 I want to create mixed audit class for ``security-sensible'' events.
 For example, I need to audit:

 exec*() syscalls from standard `pc' class, but not wait4() or
     fork(), because fork() is not interesting  (new process image is
     security-sensible, not new process itself) and  occurred too often
     and create noise.

 connect()/accept() from "nt", but not setsockopt(), for the same
     reasons.

 And so on.

   How should I create new system class? What need to be putted into
 "classmask" in audit_class(5)? How should I edit audit_event(5) file,
 as it seems, that one event could belong only to one class, and I
 don't want to remove these events from their natural classes.

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>

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