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Path: utzoo!utgpu!water!watmath!clyde!cbosgd!osu-cis!tut!lvc
From: lvc@tut.UUCP
Newsgroups: comp.unix.wizards
Subject: Re: NFS and many thousands of user-id's
Message-ID: <1024@tut.cis.ohio-state.edu>
Date: Wed, 4-Nov-87 13:44:45 EST
Article-I.D.: tut.1024
Posted: Wed Nov  4 13:44:45 1987
Date-Received: Sat, 7-Nov-87 13:56:24 EST
References: <7605@g.ms.uky.edu> <7623@e.ms.uky.edu> <32716@sun.uucp>
Organization: Ohio State Computer & Info Science
Lines: 14
Summary: setgid and special files are trouble too

In article <32716@sun.uucp>, guy%gorodish@Sun.COM (Guy Harris) writes:
	...
>Not if the machine that's mounted that file system has mounted it
>"no-set-UID." The ability to say "don't believe set-UID bits when
>running programs from this file system" has been in SunOS since at
>least release 3.2.  ...

Hopefully this feature includes no-set-GID and fail opens for
special files.  One old (internal only) AT&T version of UNIX did
these all.  It was called the restricted file system, handy for
foreign disks and tapes.  I'm still waiting for AT&T to put it
in System 5.

	Larry Cipriani tut!lvc