When group wheel is empty, allow everyone to su to root. This has normally
no conseqeunces as we ship with a non-empty wheel. Closes PR/1882 Submitted by: Arne Henrik Juul <arnej@frida.imf.unit.no>
This commit is contained in:
parent
8c9b80bcd6
commit
e8694bc269
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=23085
@ -30,7 +30,7 @@
|
||||
.\" SUCH DAMAGE.
|
||||
.\"
|
||||
.\" @(#)su.1 8.2 (Berkeley) 4/18/94
|
||||
.\" $Id$
|
||||
.\" $Id: su.1,v 1.7 1997/02/22 19:57:15 peter Exp $
|
||||
.\"
|
||||
.\" this is for hilit19's braindeadness: "
|
||||
.Dd April 18, 1994
|
||||
@ -149,12 +149,13 @@ option as understood by most shells. Note that
|
||||
usually expects a single argument only; you have to quote it when
|
||||
passing multiple words.
|
||||
.Pp
|
||||
Only users in group 0 (normally
|
||||
Only users listed in group 0 (normally
|
||||
.Dq wheel )
|
||||
can
|
||||
.Nm su
|
||||
to
|
||||
.Dq root .
|
||||
.Dq root ,
|
||||
unless this group is empty.
|
||||
.Pp
|
||||
By default (unless the prompt is reset by a startup file) the super-user
|
||||
prompt is set to
|
||||
|
@ -42,7 +42,7 @@ static const char copyright[] =
|
||||
static char sccsid[] = "@(#)su.c 8.3 (Berkeley) 4/2/94";
|
||||
*/
|
||||
static const char rcsid[] =
|
||||
"$Id: su.c,v 1.15 1997/01/13 06:39:19 davidn Exp $";
|
||||
"$Id: su.c,v 1.17 1997/01/14 09:24:09 davidn Exp $";
|
||||
#endif /* not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
@ -223,7 +223,8 @@ main(argc, argv)
|
||||
#endif
|
||||
{
|
||||
/* only allow those in group zero to su to root. */
|
||||
if (pwd->pw_uid == 0 && (gr = getgrgid((gid_t)0)))
|
||||
if (pwd->pw_uid == 0 && (gr = getgrgid((gid_t)0)) &&
|
||||
gr->gr_mem && *(gr->gr_mem))
|
||||
for (g = gr->gr_mem;; ++g) {
|
||||
if (!*g)
|
||||
errx(1,
|
||||
|
Loading…
Reference in New Issue
Block a user