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From: Roger Luethi <rl@hellgate.ch>
To: William Lee Irwin III <wli@holomorphy.com>,
	Stephen Smalley <sds@epoch.ncsc.mil>,
	Andrew Morton <akpm@osdl.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Albert Cahalan <albert@users.sourceforge.net>,
	"Martin J. Bligh" <mbligh@aracnet.com>, Paul Jackson <pj@sgi.com>
Subject: Re: [1/1][PATCH] nproc v2: netlink access to /proc information
Date: Thu, 9 Sep 2004 19:53:42 +0200	[thread overview]
Message-ID: <20040909175342.GA27518@k3.hellgate.ch> (raw)
In-Reply-To: <20040909172200.GX3106@holomorphy.com>

On Thu, 09 Sep 2004 10:22:00 -0700, William Lee Irwin III wrote:
> On Thu, Sep 09, 2004 at 07:53:31AM -0400, Stephen Smalley wrote:
> > They aren't world readable when using a security module like SELinux;
> > they are then typically only accessible by processes in the same
> > security domain, aside from processes in privileged domains. 
> > security_task_to_inode() hook sets the security attributes on the
> > /proc/pid inodes based on their security context, and then
> > security_inode_permission() hook controls access to them.  So you need
> > at least comparable controls.
> 
> Can you make a more specific suggestion regarding the controls to use?
> It's a bit awkward for those highly unfamiliar with the subsystem to

For the same reason, I'm not comfortable with implementing SELinux type
access controls myself. How about:

config NPROC
	depends on !SECURITY_SELINUX

Adding access control later won't be a problem for anyone who groks
SELinux.

Roger

  reply	other threads:[~2004-09-09 18:25 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-08 18:40 [0/1][ANNOUNCE] nproc v2: netlink access to /proc information Roger Luethi
2004-09-08 18:41 ` [1/1][PATCH] " Roger Luethi
2004-09-09  0:35   ` William Lee Irwin III
2004-09-09  0:43     ` William Lee Irwin III
2004-09-09  1:15       ` William Lee Irwin III
2004-09-09  1:17         ` [1/2] rediff nproc v2 vs. 2.6.9-rc1-mm4 William Lee Irwin III
2004-09-09  1:21           ` [2/2] handle CONFIG_MMU=n and use new vm stats for CONFIG_MMU=y William Lee Irwin III
2004-09-09  1:22             ` William Lee Irwin III
2004-09-09  1:26             ` [3/2] round up text memory to the nearest page in fs/proc/task_mmu.c William Lee Irwin III
2004-09-09 18:43     ` [1/1][PATCH] nproc v2: netlink access to /proc information Roger Luethi
2004-09-09 18:49       ` William Lee Irwin III
2004-09-09 19:00         ` William Lee Irwin III
2004-09-09 19:02           ` [4/2] consolidate __task_mem() and __task_mem_cheap() William Lee Irwin III
2004-09-09 19:07             ` Roger Luethi
2004-09-09 19:15               ` [5/2] fix nommu VSZ reporting in consolidated task_mem() William Lee Irwin III
2004-09-09 19:11         ` [1/1][PATCH] nproc v2: netlink access to /proc information Roger Luethi
2004-09-09 19:23           ` William Lee Irwin III
2004-09-09 21:19             ` Roger Luethi
2004-09-10 15:30             ` Roger Luethi
2004-09-11 22:25           ` Albert Cahalan
2004-09-12  4:58             ` William Lee Irwin III
2004-09-14  5:59             ` Roger Luethi
2004-09-14  6:18               ` William Lee Irwin III
2004-09-14  6:23                 ` William Lee Irwin III
2004-09-14  7:47                   ` Greg Ungerer
2004-09-14  8:27                     ` Roger Luethi
2004-09-09 11:53   ` Stephen Smalley
2004-09-09 17:22     ` William Lee Irwin III
2004-09-09 17:53       ` Roger Luethi [this message]
2004-09-09 20:01         ` Stephen Smalley
2004-09-09 20:48           ` Chris Wright
2004-09-10 12:11             ` Stephen Smalley
2004-09-09 20:55           ` Roger Luethi
2004-09-09 21:05             ` Chris Wright
2004-09-09 21:25             ` Roger Luethi
2004-09-11 22:36               ` Albert Cahalan
2004-09-12  5:00                 ` William Lee Irwin III
2004-09-14  6:44                 ` Roger Luethi
2004-09-14  7:10                   ` William Lee Irwin III
2004-09-14  7:55                     ` Roger Luethi
2004-09-14  8:01                       ` William Lee Irwin III
2004-09-14  9:27                         ` Roger Luethi
2004-09-14 15:37                           ` William Lee Irwin III
2004-09-14 16:01                             ` Roger Luethi
2004-09-14 16:37                               ` William Lee Irwin III
2004-09-14 17:15                                 ` Roger Luethi
2004-09-14 17:43                                   ` William Lee Irwin III
2004-09-14 18:45                                     ` Roger Luethi
2004-09-14 19:07                                       ` William Lee Irwin III
2004-09-14 19:31                                         ` Roger Luethi
2004-09-14 19:36                                           ` William Lee Irwin III
2004-09-14 19:50                                             ` Roger Luethi
2004-09-15 11:44                                         ` Roger Luethi
2004-09-15 20:02                                           ` Roger Luethi
2004-09-15 20:20                                             ` William Lee Irwin III
2004-09-15 20:33                                               ` Roger Luethi
2004-09-15 20:44                                               ` Roger Luethi
2004-09-14 18:37                                 ` Chris Wright
2004-09-14 18:55                                   ` Roger Luethi
2004-09-14 19:05                                     ` Chris Wright
2004-09-14 21:12                                       ` Roger Luethi
2004-09-09 20:44         ` Chris Wright
2004-09-16 21:43 ` nproc: So? Roger Luethi

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