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From: j@uriah.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: su in rc.local core
Date: 25 Oct 1996 09:01:26 GMT
Organization: Private BSD site, Dresden
Lines: 47
Message-ID: <54pvl6$897@uriah.heep.sax.de>
References: <54lhnn$e9@kauss.rhein-main.de> <Dzr1FE.oC@nemeton.com.au>
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
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giles@nemeton.com.au (Giles Lean) wrote:
> ska@kauss.rhein-main.de (Stephan Kauss) writes:
>
> >I have the problem that I have to start up some programs at start time from
> >the rc.local. The program has to run with the user permission.
>
> I had a similar problem with NetBSD-1.1; this turned out to be a
> coredump in setenv(3) which was called by su(1). This could be
> the same problem (but equally might not be :).
It is. Here's the proper fix (against FreeBSD 2.1.5):
Index: /usr/src/usr.bin/su/su.c
===================================================================
RCS file: /home/cvs/src/usr.bin/su/su.c,v
retrieving revision 1.6.4.4
retrieving revision 1.6.4.5
diff -u -u -r1.6.4.4 -r1.6.4.5
--- su.c 1996/06/23 14:07:40 1.6.4.4
+++ su.c 1996/10/07 10:02:48 1.6.4.5
@@ -42,7 +42,7 @@
static char sccsid[] = "@(#)su.c 8.3 (Berkeley) 4/2/94";
*/
static const char rcsid[] =
- "$Id: su.c,v 1.6.4.4 1996/06/23 14:07:40 markm Exp $";
+ "$Id: su.c,v 1.6.4.5 1996/10/07 10:02:48 joerg Exp $";
#endif /* not lint */
#include <sys/param.h>
@@ -293,7 +293,8 @@
cleanenv[0] = NULL;
environ = cleanenv;
(void)setenv("PATH", _PATH_DEFPATH, 1);
- (void)setenv("TERM", p, 1);
+ if (p)
+ (void)setenv("TERM", p, 1);
if (chdir(pwd->pw_dir) < 0)
errx(1, "no directory");
}
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)