Messages in this thread | | | Date | Tue, 8 Jul 2014 06:12:55 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH 01/11] fs: add O_BENEATH_ONLY flag to openat(2) |
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On Tue, Jul 08, 2014 at 02:04:45PM +0100, Meredydd Luff wrote: > On 8 July 2014 13:51, Christoph Hellwig <hch@infradead.org> wrote: > > Yeah, it won't work for an explicit directory - I was thinking of > > working relative to $CWD. > > I think that would sacrifice far too much flexibility. Even without > Capsicum, it would be worthwhile to be able to wire up a static > seccomp-bpf filter to enforce constraints such as "you can open files > under fd#5 for reading, but you can only write to files under fd#6, > and you can't do any global lookups."
Yeah, I didn't intend to advocate this further after your reply.
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