linux-kernel - Re: Documentation patch for namespaced file capabilities

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Date:   Wed, 29 Nov 2017 11:58:49 -0600
From:   "Serge E. Hallyn" <serge@...lyn.com>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:     "Serge E. Hallyn" <serge@...lyn.com>,
        Amir Goldstein <amir73il@...il.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linux Containers <containers@...ts.linux-foundation.org>,
        lkp@...org, xiaolong.ye@...el.com,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Tycho Andersen <tycho@...ker.com>,
        James Bottomley <James.Bottomley@...senpartnership.com>,
        christian.brauner@...lbox.org, Vivek Goyal <vgoyal@...hat.com>,
        LSM List <linux-security-module@...r.kernel.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Linux API <linux-api@...r.kernel.org>
Subject: Re: Documentation patch for namespaced file capabilities

Quoting Michael Kerrisk (man-pages) (mtk.manpages@...il.com):
> Hi Serge,
> 
> At the moment man-pages lacks documentation of the namespaced file
> capability feature that you added with commit
> 8db6c34f1dbc8e06aa016a9b829b06902c3e1340. Would you be able to send a
> patch describing the feature?

Sorry.  I'm adding this to my todo list, so I should get to it soon.

> Presumably, the patch would be for the capabilities(7) page (or
> perhaps for the user_namespaces(7) page, if that seems more
> appropriate), As well as documenting the semantics, it would be good
> to include an example or two of the notation that is used for the
> xattr names.
> 
> Presumably also there will be some changes in userspace tools
> (setcap/getcap?). Do you know anything about what's happening there?
> 
> Cheers,
> 
> Michael
> 
> 
> -- 
> Michael Kerrisk
> Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
> Linux/UNIX System Programming Training: http://man7.org/training/