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Date:      Sun, 31 Jan 1999 23:10:31 -0800 (PST)
From:      Mike Meyer <mwm@phone.net>
To:        freebsd-questions@FreeBSD.ORG
Subject:   Re: why does /tmp world writable?
Message-ID:  <Pine.BSF.4.05.9901312303380.21503-100000@guru.phone.net>
In-Reply-To: <Pine.BSF.3.96.990201074116.930A-100000@turkey.ispro.net.tr>

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Nope, that's not really better. Some might consider it worse. For
instance, having root's temp files show up on / would generally be
considered bad. More concretely, what do you do if $HOME isn't set, or
$HOME/temp doesn't exist (user delete it, or you're at a single-user
boot, trying to fix fstab to add a disk, or ....)? The programs
shouldn't just give up, but should do something intelligent.

Many programs these days use something like $TMPDIR if it exists, or
/tmp if it doesn't. That's better in that it gives you a bit more
control over where the temp files go, and includes a fallback
behavior.

	<mike

On Mon, 1 Feb 1999, Evren Yurtesen wrote:

> Date: Mon, 1 Feb 1999 07:41:56 +0200 (EET)
> From: Evren Yurtesen <yurtesen@turkey.ispro.net.tr>
> To: Jasper O'Malley <jooji@webnology.com>
> Cc: freebsd-questions@FreeBSD.ORG
> Subject: Re: why does /tmp world writable?
> 
> programs could have been using $HOME/temp
> or something like that...
> would not it be more appropriate?
> 
> On Sun, 31 Jan 1999, Jasper O'Malley wrote:
> 
> > On Sun, 31 Jan 1999, Evren Yurtesen wrote:
> > 
> > > hello,
> > > why does /tmp directory has 777 permissions ?
> > 
> > So there's an appropriate place for everyone to stick temp files. A lot of
> > programs break, or at least lose some functionality, if it doesn't have
> > 1777 permissions.
> > 
> > > what if somebody fills this directory with stuff?
> > 
> > Put it on it's own filesystem; put user quotas on it, as well.
> > 
> > Cheers,
> > Mick
> > 
> > The Reverend Jasper P. O'Malley          dotdot:jooji@webnology.com
> >     Systems Administrator                  ringring:asktheadmiral
> > 	Webnology, LLC               woowoo:http://www.webnology.com/~jooji
> > 
> > 
> 
> 
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