linux-kernel - [PATCH v4 0/2] capabilities: Ambient capability patchset

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Date:	Tue, 14 Jul 2015 12:46:14 -0700
From:	Andy Lutomirski <luto@...nel.org>
To:	Andrew Morton <akpm@...uxfoundation.org>
Cc:	"Serge E. Hallyn" <serge@...lyn.com>,
	Serge Hallyn <serge.hallyn@...ntu.com>,
	James Morris <james.l.morris@...cle.com>,
	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
	Ted Ts'o <tytso@....edu>,
	"Andrew G. Morgan" <morgan@...nel.org>,
	Linux API <linux-api@...r.kernel.org>,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Michael Kerrisk <mtk.manpages@...il.com>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	linux-security-module <linux-security-module@...r.kernel.org>,
	Aaron Jones <aaronmdjones@...il.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Markku Savela <msa@...h.iki.fi>,
	Kees Cook <keescook@...omium.org>,
	Jonathan Corbet <corbet@....net>,
	Christoph Lameter <cl@...ux.com>,
	Andy Lutomirski <luto@...nel.org>
Subject: [PATCH v4 0/2] capabilities: Ambient capability patchset

This adds ambient capabilities.  See the individual patch changelogs
for details.

Preliminary userspace code is here, but it needs updating:

https://git.kernel.org/cgit/linux/kernel/git/luto/util-linux-playground.git/commit/?h=cap_ambient&id=7f5afbd175d2

Changes from v3:
 - Rename PR_CAP_AMBIENT_READ to PR_CAP_AMBIENT_IS_SET (Michael Kerrisk)
 - Add PR_CAP_AMBIENT_CLEAR_ALL (Michael Kerrisk)
 - Add acks from v2

Changes from v2:
 - Improve the patch 1 changelog a bit.
 - Add acks.
 - Add comment clarifying the pE' rule.
 - s/except/expect

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      |   7 +++
 include/uapi/linux/securebits.h |  11 ++++-
 kernel/user_namespace.c         |   1 +
 security/commoncap.c            | 103 ++++++++++++++++++++++++++++++++++++----
 security/keys/process_keys.c    |   1 +
 7 files changed, 124 insertions(+), 12 deletions(-)

-- 
2.4.3

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