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In article <12175@chaph.usc.edu> szeto@aludra.usc.edu (Johnny Szeto) writes:

>  Is there any way to put a shell script or a c-prog. into .plan
>  so that when someone fingers me it will be activated?

I did this by making my .plan file a named pipe and driving it from a shell
script.  The script repeatedly executed a simple program and directed its
output to the .plan file.  Whenever finger (or cat or anything else) opened
the file, the program would execute once and print the time and temperature.
(The temperature was just an educated guess, but it fooled several people!)

    Gregg Townsend / Computer Science Dept / Univ of Arizona / Tucson, AZ 85721
    +1 602 621 4325     gmt@cs.arizona.edu     110 57 16 W / 32 13 45 N / +758m

On 24 Sep 90 22:47:18 GMT, szeto@aludra.usc.edu (Johnny Szeto) said:

> 	is there any way to put a shell script or a c-prog. into .plan
> so that when someone fingers me it will be activated?

Good Lord, I hope not!

Seriously, .plan is (as far as I know) a read-only sort of venture.  The
best you can do is make it interesting.  I have seen some interesting
creations done by the help of cursor controls, but that's about it.

-Tom Hopkins <hoppie@buengf.bu.edu>

In article <30908@athertn.Atherton.COM> paul@Atherton.COM (Paul Sander) writes:

>Another interesting trick:  If the person doing the fingering has a terminal
>that can be programmed to echo a string (I understand some Tektronix terminals
>do this), you can have your .plan file program the terminal to issue a
>command to send mail.  Some people have actually done this, according to a
>reliable source :-)

Yeah - the "Reliable Source" I believe is UNIX System Security, by Kochan
and Wood. Certain intelligent terminals have "send" escape sequences, which
if typed or somehow echoed to the terminal, can execute any command.

				-Kartik



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In article <8715@pitt.UUCP> berson@speedy.cs.pitt.edu.UUCP (David A. Berson) writes:
>In article <E-267M3@xds13.ferranti.com> peter@ficc.ferranti.com (Peter da Silva) writes:
>>For even more fun... put your program into a file with a name like "resume"
>>or "private.mbox" and catch the snoops on your system.
>However if I were going to snoop I would probably do a
>ls -l before I tried to read anything.

An even better snoop catcher is to put an executable 'ls' in your directory.

:-> Eric

Eric
ericco@ssl.berkeley.edu