netdev - Re: [Drbd-dev] [PATCH 2/2 v2] netlink: kill eff_cap from struct netlink_skb

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Message-ID: <20110304012956.GA13573@ioremap.net>
Date:	Fri, 4 Mar 2011 04:29:56 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	Chris Wright <chrisw@...s-sol.org>,
	David Miller <davem@...emloft.net>,
	linux-fbdev@...r.kernel.org, netdev@...r.kernel.org,
	linux-security-module@...r.kernel.org, dm-devel@...hat.com,
	kaber@...sh.net, drbd-dev@...ts.linbit.com
Subject: Re: [Drbd-dev] [PATCH 2/2 v2] netlink: kill eff_cap from struct
 netlink_skb_parms

Hi.

On Thu, Mar 03, 2011 at 11:37:46PM +0100, Lars Ellenberg (lars.ellenberg@...bit.com) wrote:
> If so, then this change introduces the possibility for normal users to
> send privileged commands to connector based subsystems, even if they
> may not be able to bind() to suitable sockets to receive any replies.
> 
> Am I missing something?

Yup, connector is very async at that place, but I wonder why the hell I
ever made that decision. I believe we can replace it with pure sync call
of the registered connector callback, since netlink is synchronous and
no one has any problem with it.

-- 
	Evgeniy Polyakov
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