From fnaumann@mail.cs.uni-magdeburg.de Tue Jun 29 13:51:52 2004 Date: Tue, 29 Jun 2004 13:47:49 +0200 From: mikro To: mint@fishpool.com Subject: Re: [MiNT] mint & mmu Message-ID: <20040629114749.GA20908@hysteria.sk> References: <20040629082901.GA17656@hysteria.sk> <20040629093430.GA9803@hysteria.sk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2i X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on onyx.hysteria.sk X-Spam-Status: No, hits=-4.9 required=5.0 X-Virus-Scanned: by amavisd-new-20030616-p7 (Debian) at fishpool.fi Delivered-To: mint@fishpool.com Delivered-To: mint@lists.fishpool.fi X-ecartis-version: Ecartis v1.0.0 Sender: mint-bounce@lists.fishpool.fi Errors-to: mint-bounce@lists.fishpool.fi X-original-sender: mikro@hysteria.sk Precedence: bulk List-help: List-unsubscribe: List-ID: X-List-ID: X-Milter: ClamAV 0.70/0.70kjel X-Milter: milter-regex 1.5jel X-Milter: ClamAV 0.70/0.70kjel X-Milter: milter-regex 1.5jel > I just want to mention that's ist for most software enough to catch cookie > jar and tos variable reading. > ok, but in this point we loose the protection till the application calls Super() again > And MP don't help at all if applications still have access to > exception vectors and such critical things. > as I wrote, if the application knows what it is doing, it's ok. We want to protect "normal" memory with OS and other applications at least. Yes, if the programmer coded a buggy program which "by coincidence" rewrites system vectors, we can't do anything with it. > In supervisor mode an application can do anything it want. There is no > protection in any way. The only possible protection is to disallow > supervisor mode. > oh, that's true. that was only fast idea:) But that idea with SV, that will work for sure. btw -really offtopic- how can i set the mail client to reply into this mailing list? in the header there's no Reply-To: info, so i have to rewrite To: array with mint@fishpool.com every time. -- --------------------------------------------------------------------------- MiKRO Atari XE/XL/Mega STE/Falcon060 http://mikro.atari.org ---------------------------------------------------------------------------