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Date:      Tue, 1 Jun 1999 15:52:59 -0400 (EDT)
From:      Mikhail Teterin <mi@aldan.algebra.com>
To:        brian@FreeBSD.org
Cc:        mi@aldan.algebra.com, freebsd-bugs@FreeBSD.org
Subject:   Re: kern/11981: access to tunN devices not allowed to non-root despite permissions
Message-ID:  <199906011952.PAA46743@misha.cisco.com>
In-Reply-To: <199906011939.MAA82607@freefall.freebsd.org> from "brian@FreeBSD.org" at "Jun 1, 1999 12:39:53 pm"

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brian@FreeBSD.org once wrote:

> Synopsis: access to tunN devices not allowed to non-root despite permissions
> 
> State-Changed-From-To: open->closed
> State-Changed-By: brian
> State-Changed-When: Tue Jun 1 12:35:56 PDT 1999
> State-Changed-Why: 
> This is not a software bug. As I  said in my mail, there's no point in
> being able to read/write /dev/tun*  because you haven't got permission
> to configure the interface anyway.

The fact that it's  pointless (as far as you or me  can see today), does
not mean it  should not be possible. Currently, according  to your mail,
the driver performs the useless check. IMHO, it should not.
 
> As most  interfaces have  no associated  device in  /dev, there  is no
> facility in the  kernel for anyone except root to  add & remove routes
> etc.
>
> It would  be plausable to  add that facility  (IMHO), but the  lack of
> that facility doesn't constitute a bug.

Agreed, that's why  I put this into  a separate paragraph in  my PR, and
said somthing like: "I would like"...

> Translation: It's an enhancment - you'd need to discuss it on -hackers
> and then probably implement it yourself if you want it to happen.

	-mi


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