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From: Horst von Brand <vonbrand@sleipnir.valparaiso.cl>
To: Chris Evans <chris@scary.beasts.org>
Cc: Torsten.Duwe@caldera.de, Francis Galiegue <fg@mandrakesoft.com>,
	linux-kernel@vger.kernel.org
Subject: Re: Modprobe local root exploit
Date: Mon, 13 Nov 2000 22:35:29 -0300	[thread overview]
Message-ID: <200011140135.eAE1ZTD11785@sleipnir.valparaiso.cl> (raw)
In-Reply-To: Message from Chris Evans <chris@scary.beasts.org>  of "Mon, 13 Nov 2000 16:56:40 -0000." <Pine.LNX.4.21.0011131655430.22139-100000@ferret.lmh.ox.ac.uk>

Chris Evans <chris@scary.beasts.org> said:
> On Mon, 13 Nov 2000, Torsten Duwe wrote:
> > >>>>> "Francis" == Francis Galiegue <fg@mandrakesoft.com> writes:
> > 
> >     >> + if ((*p & 0xdf) >= 'a' && (*p & 0xdf) <= 'z') continue;
> > 
> >     Francis> Just in case... Some modules have uppercase letters too :)
> > 
> > That's what the &0xdf is intended for...

> Code in a security sensitive area needs to be crystal clear.

Nodz!

> What's wrong with isalnum() ?

Too efficient? ;)
--
Horst von Brand                             vonbrand@sleipnir.valparaiso.cl
Casilla 9G, Vin~a del Mar, Chile                               +56 32 672616
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  parent reply	other threads:[~2000-11-14  3:05 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-11-13 14:37 Gregory Maxwell
2000-11-13 16:26 ` Torsten Duwe
2000-11-13 16:44   ` Francis Galiegue
2000-11-13 16:45   ` Torsten Duwe
2000-11-13 16:56     ` Chris Evans
2000-11-13 17:21       ` Jan Dvorak
2000-11-14  1:35       ` Horst von Brand [this message]
2000-11-13 18:11     ` Torsten Duwe
2000-11-14  5:02       ` Peter Samuelson
2000-11-14  5:50         ` Keith Owens
2000-11-14  9:19           ` Florian Weimer
2000-11-14 10:42           ` Malcolm Beattie
2000-11-14 10:54             ` Jakub Jelinek
2000-11-14 11:58               ` Chris Evans
2000-11-14 10:58             ` Keith Owens
2000-11-14 12:28       ` Nick Holloway
2000-11-14 14:01       ` David Woodhouse
2000-11-13 19:46     ` Peter Samuelson
2000-11-14 11:29       ` Daniel Phillips
2000-11-14 14:23         ` Daniel Phillips
2000-11-14 16:25         ` David Relson
2000-11-15  4:09         ` Horst von Brand
2000-11-16  5:22     ` Alan Cox
2000-11-16  6:04       ` H. Peter Anvin
2000-11-16  6:14         ` Keith Owens
2000-11-16  6:16           ` H. Peter Anvin
2000-11-16 14:12     ` Torsten Duwe
2000-11-16 15:07       ` Alan Cox

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