linux-kernel - Re: [PATCH 1/1] security: introduce fs caps

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Date:	Thu, 16 Nov 2006 08:47:43 -0600
From:	"Bill O'Donnell" <billodo@....com>
To:	Chris Friedhoff <chris@...edhoff.org>
Cc:	KaiGai Kohei <kaigai@...jp.nec.com>,
	"Serge E. Hallyn" <serue@...ibm.com>, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	Stephen Smalley <sds@...ho.nsa.gov>,
	James Morris <jmorris@...ei.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Andrew Morton <akpm@...l.org>,
	KaiGai Kohei <kaigai@...gai.gr.jp>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: [PATCH 1/1] security: introduce fs caps

On Wed, Nov 15, 2006 at 10:49:23PM +0100, Chris Friedhoff wrote:
| On Wed, 15 Nov 2006 11:06:34 -0600
| "Bill O'Donnell" <billodo@....com> wrote:
| 
| - snip - 
| > | Probably, Bill didn't update libcap.so.
| > No, I didn't...
| > certify:~/libcap-1.10/progs # ls -altr /lib/libcap*
| > -rwxr-xr-x 1 root root 22672 2006-06-16 09:56 /lib/libcap.so.1.92
| > -rw-r--r-- 1 root root 53363 2006-11-13 16:04 /lib/libcap.so.1.10
| > lrwxrwxrwx 1 root root    14 2006-11-13 16:04 /lib/libcap.so.1 ->libcap.so.1.92
| > lrwxrwxrwx 1 root root    11 2006-11-13 16:04 /lib/libcap.so -> libcap.so.1
| > 
| 
| Why is SLES10 using libcap-1.92?
| (googling brought this page:
| http://www.me.kernel.org/pub/linux/libs/security/linux-privs/old/kernel-2.3/)

Good quesion.  My gentoo ia32 machine uses libcap.so.1.10.  Probably a FAQ, 
but is 1.92 actually older than 1.10?

| 
| > | 
| > | But I can't recommend Bill to update libcap immediately.
| > | As Hawk Xu said, it may cause a serious problem on the distro
| > | except Fedora Core 6. :(
| > 
| > What version of libcap is on FC6? 
| > 
| 
| Are there newer libcap versions then libcap-1.10 available?
| (http://ftp.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.4/)

| 
| > | 
| > | I have to recommend to use 'fscaps-1.0-kg.i386.rpm' now.
| > | It includes the implementation of interaction between application and xattr.
| > | (Of couse, it's one of the features which should be provided by libcap.)
| > 
| > But that won't work on ia64 will it?
| 
| Kaigai also provides a srpm package to compile.
|  VFS Capability Support -> fscaps version 1.0 [SRPM]
| (http://www.kaigai.gr.jp/pub/fscaps-1.0-kg.src.rpm)

I'll try that next.

Thanks, 
Bill

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