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Date: Mon, 26 Mar 2001 02:27:39 +0200 (MEST)
From: Lennert Buytenhek <buytenh@math.leidenuniv.nl>
To: James Stevenson <mistral@stev.org>
cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: question on /dev/tap0
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Intended behaviour. This is because of the access checks done in the
netlink code. Misleading, yes.


On Sun, 25 Mar 2001, James Stevenson wrote:

>
> Hi
>
> would somebody be able to explain to me
> when you try to open /dev/tap0 which is a
> character device file which has the permissions
>
> File: "tap0"
> Size: 0            Filetype: Character Device
> Mode: (0666/crw-rw-rw-)
>
> when tried to open
>
> [mistral@linux /dev]$ cat tap0
> cat: tap0: Operation not permitted
>
> and strace shows that it gets a permission error
> open("tap0", O_RDONLY|0x8000)           = -1 EPERM
>
> is it just me or is this either
> a) a bug
> b) very misleading
>
> thanks
> 	James
>
>


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