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From: Chris Wright <chris@wirex.com>
To: Tony Glader <Tony.Glader@blueberrysolutions.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: capable()-function
Date: Wed, 9 Oct 2002 11:22:54 -0700	[thread overview]
Message-ID: <20021009112254.A25393@figure1.int.wirex.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0210091046230.30467-100000@blueberrysolutions.com>; from Tony.Glader@blueberrysolutions.com on Wed, Oct 09, 2002 at 10:51:50AM +0300

* Tony Glader (Tony.Glader@blueberrysolutions.com) wrote:
> Hi!
> 
> I was investigating problems with PCMCIA and found that
> capable(CAP_SYS_ADMIN) returns always false in my case. If I'm calling
> capable(CAP_SYS_ADMIN) as root - shouldn't it return true? What could
> cause this? I'm using RH 8.0 and src-rpm of 2.4.18-14 kernel.

Well, it will return true if you _have_ CAP_SYS_ADMIN capability.
Typically root has all effective capabilities (except CAP_SETPCAP).
You can check your effective capabilities in /proc/[pid]/status.
I doubt your system can't get a process with CAP_SYS_ADMIN, you'd have
trouble mounting filesystems, etc... 

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  reply	other threads:[~2002-10-09 18:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-10-09  7:51 capable()-function Tony Glader
2002-10-09 18:22 ` Chris Wright [this message]
2002-10-09 18:39   ` capable()-function Tony Glader
2002-10-09 19:08     ` capable()-function Chris Wright
2002-10-09 19:19       ` capable()-function Tony Glader
2002-10-09 19:16         ` capable()-function Chris Wright
2002-10-09 20:16           ` capable()-function Tony Glader

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