How to disable Ctrl-C during init (initial ramdisk / normal init)

Michael S. Zick mszick at morethan.org
Tue May 23 15:22:53 UTC 2006


On Tue May 23 2006 10:11, Rich Felker wrote:
> On Tue, May 23, 2006 at 08:09:15AM -0500, Michael S. Zick wrote:
> > > Or perhaps there is a way to disable stdin on console during critical 
> > > phase of init?
> > > 
> > 
> > Keep the customer away from console.  Like don't wire it out of the box.
> 
> I disagree with this principle. It's certainly reasonable to have a
> kiosk or other type of system where untrusted users can access the
> keyboard, and not want them to be able to perform privileged
> operations using it!
> 

I was unclear - don't wire out /dev/console.

Does not mean you do not bring out other devices for the attachment
of keyboards accepting user input.

That is: Let init run on /dev/console and allow physical access by
users on /dev/something_else.

Mike




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