In article <1993Jun12.152859.1892@aston.ac.uk> evansmp@uhura.aston.ac.uk (Mark Evans) writes:
quoted text
>Joel M. Hoffman (joel@rac2.wam.umd.edu) wrote:
>: I'm using SLS 0.99, with kernel 0.99.9, and as things stand now,
>: anyone can press C-A-D to reboot the machine.  Is there any way to
>: disable C-A-D if pressed from a non-root environment?  I realize there
>: may be problems if C-A-D is pressed while an ordinary user is running
>: a suid root program, but I can live with that.
>
>You can have C-A-D set up so that it sends a signal to init.
>Then it is inits problem what to do having it run /etc/shutdown
>is one posibility.
>[...]
>You running none root is meaninless in a multi user os.
>There are always some root processes running.

What I'd like is for only C-A-D >NOT< to do anything at all unless it
comes from a root process.  As I say, I don't know how to do this, and
I'm not sure what would happen if the user were running a suid root
process while s/he pressed C-A-D.

-Joel
(joel@wam.umd.edu)
-- 
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|_|~~ Germany, 1943.   ``A little garden, fragrant and full of roses.
__|~| 16 Million DEAD.   The path is narrow, and a little boy walks along it. 
                         A little boy, a sweet boy, like that growing blossom,
 cnc  Bosnia, 1993.      When the blossom comes to bloom,
 cnc  HOW MANY MORE?     The little boy will be no more.''

                                        - Franta Bass,
                                          killed at age 14 by the Nazis
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