Running processes as root
Chris Torek
chris at mimsy.umd.edu
Mon Oct 23 01:29:03 AEST 1989
>Jonathan Bayer <jbayer at ispi.uucp> writes:
>>The set-uid bit does not work for shell scripts. ...
In article <21240 at adm.BRL.MIL> danl at midget.towson.edu writes:
>All of the above is quite wrong. On all of the BSD derivatives I've used
>set-uid does work for shell scripts. ...
On all of the BSD derivatives on which setuid scripts run setuid,
all such setuid scripts are not secure.
>... you must think ahead to restrict the user to executing
>only the script you've choosen
With the existing implementations, this is not possible. (Sorry.)
You have to write at least one C program.
It might be fixed in some future release. It is not impossible to fix.
--
`They were supposed to be green.'
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain: chris at cs.umd.edu Path: uunet!mimsy!chris
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