Messages in this thread | | | From | Andy Lutomirski <> | Date | Fri, 24 Apr 2015 13:18:44 -0700 | Subject | Re: [RFC] capabilities: Ambient capabilities |
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On Fri, Apr 24, 2015 at 1:13 PM, Christoph Lameter <cl@linux.com> wrote: > On Fri, 24 Apr 2015, Andy Lutomirski wrote: > >> That's sort of what my patch does -- you need CAP_SETPCAP to switch >> the securebit. >> >> But Christoph's patch required it to add caps to the ambient set, right? > > Yes but you seem to be just adding one additional step without too much of > a benefit because you still need CAP_SETPCAP. >
No, because I set the default to on :)
Also, in my model you can do:
$ sudo capset cap_whatever=eip something $ ./something
and the program can make its cap be ambient and run a helper. In the CAP_SETPCAP model, that doesn't work.
--Andy
-- Andy Lutomirski AMA Capital Management, LLC
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