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Re: How do I boot a standalone program in grub (a password checker via s


From: Andrei E. Warkentin
Subject: Re: How do I boot a standalone program in grub (a password checker via serial input) before allowing grub to continue booting?
Date: Mon, 5 Nov 2007 10:57:52 -0600

.... I think the actual question should have been worded more like "is it possible to return control to GRUB from a booted   (say) Multiboot kernel, provided nothing (say) below 1MB is touched...".

Is it possible? I'm curious myself. 

Andrei Evgenievich Warkentin
Cell: (+1) (847) 321-15-55


05.11.2007, в 9:35, Robert Millan писал(а):

On Sat, Nov 03, 2007 at 09:58:37AM -0700, CurlyCoconutTree wrote:

How do I boot a standalone program in grub (1.95) (a password checker via
serial input) before allowing grub to continue booting?  I'm trying to
develop a program that will run, stand alone or with the libraries Grub
gives me access to, parse serial data for a password, store the password to
the MBR, then if valid return to Grub to boot windows... I'm not looking for
a solution, I'm just looking for a place to start!  Grub, is pretty poorly
documented and I wouldn't be posting this is there was more (or I could find
more) info on how to develop for GRUB.  I guess I'd be a 'noob'... I hate
using that term... we all have to start from some where.

IIRC someone implemented password checks in boot already, or was working on
that, but hasn't been merged yet.  I suggest you check the mailing list
archives.

-- 
Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call, if you are unable to speak?
(as seen on /.)


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