Re: Checking for audit_enabled in the kernel

[Steve Grubb <sgrubb@redhat.com>]

On Tuesday 14 November 2006 12:48, Paul Moore wrote:
> I'm trying to find a way to quickly determine if auditing is enabled and it
> looks like the only real way to do that is to declare audit_enabled as an
> extern and check the variable directly.  Is there some interface for this
> that I am missing?

A good example of how to do this is in audit.h:

static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp)
{
         if (unlikely(!audit_dummy_context()))
                return __audit_ipc_obj(ipcp);
         return 0;
}

__audit_ipc_obj is the real function that does the actual work. The 
audit_dummy_context() function uses current, so it may not be suitable to use 
on events that come from netlink. In that case, we'd need a new function that 
takes a task struct.

-Steve