From: Andreas Schwab <schwab@suse.de>
Cc: emacs-devel@gnu.org
Subject: Re: Bad configure check
Date: Fri, 26 Apr 2002 23:07:02 +0200 [thread overview]
Message-ID: <jesn5itbih.fsf@sykes.suse.de> (raw)
In-Reply-To: <1019850275.10153.9.camel@space-ghost> (Colin Walters's message of "26 Apr 2002 15:44:35 -0400")
Colin Walters <walters@verbum.org> writes:
|> Can anyone suggest a portable way to determine whether or not a program
|> is setuid while it's running? My original thought was to compare the
|> return values of getuid() and geteuid(), but it seems this will fail if
|> root runs Emacs.
Does it? Even root should obey setuid to a different user. And
experiments show that this is the case.
# ls -l /tmp/id
-rwsr-sr-x 1 games game 107165 Apr 15 17:28 /tmp/id
# /tmp/id
uid=0(root) gid=0(root) euid=12(games) egid=40(game) groups=0(root),1(bin),14(uucp),15(shadow),16(dialout),17(audio),65534(nogroup),65533(nobody),52(dbmaker)
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2002-04-26 21:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-25 14:19 Bad configure check Andreas Schwab
2002-04-25 19:21 ` Colin Walters
2002-04-26 14:35 ` Andreas Schwab
2002-04-26 17:38 ` Richard Stallman
2002-04-26 19:28 ` Colin Walters
2002-04-26 19:44 ` Colin Walters
2002-04-26 21:07 ` Andreas Schwab [this message]
2002-04-28 19:12 ` Colin Walters
2002-04-28 21:17 ` Richard Stallman
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