Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.unix.questions
Subject: Re: How to prevent VI from getting a shell?
Message-ID: <13934:Sep2105:09:2890@kramden.acf.nyu.edu>
Date: 21 Sep 90 05:09:28 GMT
References: <570@DIALix.UUCP> <1990Sep17.210110.26060@robobar.co.uk> <77@raysnec.UUCP>
Organization: IR
Lines: 9

In article <77@raysnec.UUCP> shwake@raysnec.UUCP (Ray Shwake) writes:
> I suggest that, after predefining SHELL to something innocuous (I use
> /bin/echo), patch the *set* reference in the binary to something with an
> embedded space. So far, its proven quite tight. (Of course, if even THIS
> leaves some obscure weakness, I'm sure someone will point it out to me!)

The problem is that it completely prevents useful things like :set nu.

---Dan