Subject: Re: setuid, core dumps, ftpd, and DB
To: Jon Ribbens <jon@oaktree.co.uk>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-userlevel
Date: 10/21/1996 08:34:20
On Mon, 21 Oct 1996 13:06:11 +0100 (BST)
Jon Ribbens <jon@oaktree.co.uk> wrote:
> Charles M. Hannum wrote:
> > * In the particular case of ftpd, if you've logged in as a user other
> > than root, then your saved, real, and effective uids do not match, so
> > the previous check we used to use (ruid != svuid || ruid != euid)
> > would catch this. So, unless you're logged in as root, you'd be hard
> > pressed to get ftpd to core dump.
>
> (except on 1.1, when it's easy)
In which case you should either:
* Upgrade to a more recent release, or
* modify your kern_sig.c to perform the same check as
NetBSD-current's kern_sig.c.
Jason R. Thorpe thorpej@nas.nasa.gov
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