linux-kernel - Re: [AppArmor 35/45] Allow permission functions to tell between parent and leaf checks

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Date:	Fri, 26 Oct 2007 11:26:05 -0700
From:	John Johansen <jjohansen@...e.de>
To:	Stephen Smalley <sds@...ho.nsa.gov>
Cc:	jjohansen@...e.de, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	Andreas Gruenbacher <agruen@...e.de>
Subject: Re: [AppArmor 35/45] Allow permission functions to tell between parent and leaf checks

On Fri, Oct 26, 2007 at 08:32:23AM -0400, Stephen Smalley wrote:
> On Thu, 2007-10-25 at 23:40 -0700, jjohansen@...e.de wrote:
> > plain text document attachment (parent-permission.diff)
> > Set the LOOKUP_CONTINUE flag when checking parent permissions. This allows
> > permission functions to tell between parent and leaf checks.
> > 
> > Signed-off-by: Andreas Gruenbacher <agruen@...e.de>
> > Signed-off-by: John Johansen <jjohansen@...e.de>
> > 
> > ---
> >  fs/namei.c |    6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > --- a/fs/namei.c
> > +++ b/fs/namei.c
> > @@ -1472,6 +1472,10 @@ static int may_delete(struct inode *dir,
> >  	BUG_ON(victim->d_parent->d_inode != dir);
> >  	audit_inode_child(victim->d_name.name, victim, dir);
> >  
> > +#if 0
> > +	if (nd)
> > +		nd->flags |= LOOKUP_CONTINUE;
> > +#endif
> 
> #if 0?
> 
Oops, thanks I missed that one.

regards
john

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