Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!pacbell!rtech!llama!jas
From: jas@llama.rtech.UUCP (Jim Shankland)
Newsgroups: comp.unix.wizards
Subject: Re: access(2) (was: Writing to A NON-Existing File in "C")
Message-ID: <2001@rtech.UUCP>
Date: 22 Apr 88 19:38:19 GMT
References: <9654@jplgodo.UUCP> <14020030@hpisod2.HP.COM> <887@cresswell.quintus.UUCP> <975@unmvax.unm.edu>
Sender: news@rtech.UUCP
Reply-To: jas@llama.UUCP (Jim Shankland)
Organization: Eddie Enterprises
Lines: 26

In article <975@unmvax.unm.edu> mike@turing.UNM.EDU.UUCP (Michael I. Bushnell) writes:
>There is another way [a program] can run under suid
>conditions:
>
>% whoami
>foo
>% su
>Password:
># nifty_program
>
>Note that nifty program will now have REAL uid foo and EFFECTIVE uid
>root.

Nope.  This seems to be a common misconception.  su alters your
real uid as well as your effective uid.

Jim Shankland
  ..!ihnp4!cpsc6a!\
               sun!rtech!jas
 ..!ucbvax!mtxinu!/

	And I will show you something different from either
	Your shadow at morning striding behind you
	Or your shadow at evening rising to meet you;
	I will show you fear in a handful of dust.

			-- T. S. Eliot