# Re: \[PATCH v2 0/2\] capabilities: Ambient capabilities

- From: Andy Lutomirski \<luto@amacapital.net\>
- Date: 2015-05-20 19:47:35 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/05/4498646
- Thread: https://ratatoskr.run/linux-api/2015/05/4494133/t.md

```text
On Thu, May 14, 2015 at 11:39 PM, Andy Lutomirski [ref] wrote:
> This adds ambient capabilities.  See the individual patch changelogs
> for details.
>
> Preliminary userspace code is here:
>
> https://git.kernel.org/cgit/linux/kernel/git/luto/util-linux-playground.git/commit/?h=cap_ambient&id=7f5afbd175d2
>
> I'll follow up with a rough draft of a man-pages patch.

Just as a note: I'm going to hold off on v3 until Kees and/or Serge
can take a look, since so far the only changes I want to make to the
kernel part are some comment cleanups and a possible rearrangement of
the pE' stuff that will provably have no effect.

--Andy

>
> Changes from v1:
>  - Lots of cleanups to the ambient cap code.
>  - The securebit is new.
>
> Andy Lutomirski (2):
>   capabilities: Ambient capabilities
>   capabilities: Add a securebit to disable PR_CAP_AMBIENT_RAISE
>
>  fs/proc/array.c                 |  5 ++-
>  include/linux/cred.h            |  8 ++++
>  include/uapi/linux/prctl.h      |  6 +++
>  include/uapi/linux/securebits.h | 11 +++++-
>  kernel/user_namespace.c         |  1 +
>  security/commoncap.c            | 88 ++++++++++++++++++++++++++++++++++++-----
>  security/keys/process_keys.c    |  1 +
>  7 files changed, 108 insertions(+), 12 deletions(-)
>
> --
> 2.1.0
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
```