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SubjectRe: [PATCH] vfs: new FROM_ACCESS flag
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On Tue, 2009-09-22 at 09:56 -0400, Christoph Hellwig wrote:
> On Sun, Sep 20, 2009 at 09:30:48PM -0400, Eric Paris wrote:
> > This new acc_mode flag is just to tell the security system this inode
> > permission check is from the access system call. The security system can
> > use this information as it finds appropriete. In particular SELinux plans to
> > use this flag to alter what we choose to audit and what we do not choose to
> > audit.
>
> I think you're better off splitting the existing MAY_ACCESS flag and
> only using MAY_ACCESS for calles from access() insteaf of introducing
> a FROM_ACCESS flag and causing lots of naming confusion.

What would you think of a new, MUST_REVALIDATE_PERMS which will do what
MAY_ACCESS does today. MAY_ACCESS would be just for access(2) and would
be the flag that I use for SELinux?

-Eric



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