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Message-ID: <bda6d13a0603190857p5cb466datd0395253ed263986@mail.gmail.com>
Date: Sun, 19 Mar 2006 08:57:02 -0800
From: "Joshua Hudson" <joshudson@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: /dev/stderr gets unlinked 8]
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On 3/18/06, Bodo Eggert <harvested.in.lkml@posting.7eggert.dyndns.org> wrote:
> linux-os (Dick Johnson) <linux-os@analogic.com> wrote:
> > On Fri, 17 Mar 2006, Jan Engelhardt wrote:
>
> >> If not, you could write an LSM that prohibits unlinking /dev/stderr.
>
> > That symlink isn't even used -- at least by any sane program!
> > I don't have a clue why these things were created and what they
> > were for. The objects stdin, stdout, and stderr, are 'C' runtime
> > library pointers to opaque types associated with the file descriptors,
> > STDIN_FILENO, STDOUT_FILENO, and STDERR_FILENO. The presence of
> > these bogus sym-links in /dev represent some kind of obfuscation
> > and have no value except to confuse (or identify a RedHat distribution).
>
> Think about portable shell scripts. I remember /dev/std* longer than /proc.
They're from BSD (where they are real devices, with a major & minor number).
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