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Article View: comp.sys.next.misc
Article #2302

Re: Dammit, I'm dumb. Why doesn't talk work?

#2302
From: Curt Welch
Date: Tue, 15 Sep 1992 20:35
32 lines
1796 bytes
>Daniel M. Rosenberg writes
>> On some NeXT's, you type "talk," and it says,
>>
>> "Go away. You don't exist."

In comp.sys.next.misc, Alex Raftis writes:
>I've occaissionally had this problem and the only thing I can find is that
>talk doesn't like to work with Stewart ...

>My only guess for the reason is that Stuart handles the tty's kind of
>strangly. ...

In order to update the /etc/utmp file - to show that you are "logged"
on to that tty, the Terminal App must be installed as suid root (sad
but true).  Could it be that Stuart also needs to be installed setuid
root to solve this problem, and that you two haven't done this?

Just a guess...

BTW, having Terminal run as setuid root causes a bug with the preview
function of the print panel.  The PS tmp file created is owned by root,
but created with the umask defined in the defaults DB.  If you set up
a umask to prevents others from reading your files, then you can't use
the preview function from within terminal.  You get a cannot open type
of error messages from Preview - not that this is a real problem
because who really needs to preview the output anyway.  I wonder if
they fixed this in 3.0?  I'll know soon ....

This also seemed like a potential security bug - but I couldn't figure
out any way to take advantage of it.

Curt
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Message-ID: <25082@oasys.dt.navy.mil>
Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!darwin.sura.net!dtix!oasys!curt
References: <lb9s1hINNfm4@jethro.Corp.Sun.COM> <1992Sep15.184414.108626@zeus.calpoly.edu>

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Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!darwin.sura.net!dtix!oasys!curt
From: curt@oasys.dt.navy.mil (Curt Welch)
Newsgroups: comp.sys.next.misc
Subject: Re: Dammit, I'm dumb. Why doesn't talk work?
Message-ID: <25082@oasys.dt.navy.mil>
Date: 15 Sep 92 20:35:20 GMT
References: <lb9s1hINNfm4@jethro.Corp.Sun.COM> <1992Sep15.184414.108626@zeus.calpoly.edu>
Reply-To: curt@oasys.dt.navy.mil (Curt Welch)
Organization: Carderock Division, NSWC, Bethesda, MD
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