Subject: setuid files
To: netbsd-help <netbsd-help@netbsd.org>
From: Daniel Eggert <eggert@macvaerk.dtu.dk>
List: netbsd-help
Date: 04/24/2003 13:25:17
I got this in my daily output. Should I worry? What's the deal with 
setuid for these binaries?

Thanks,
Daniel

Checking setuid files and devices:
Setuid changes:
-r-xr-sr-x  1  root  operator  89120   Sep  8   21:55:53  2002  /bin/df
-r-xr-sr-x  1  root  operator  89156   Apr  23  06:25:35  2003  /bin/df
-r-sr-xr-x  1  root  wheel     364264  Sep  8   21:55:54  2002  
/bin/rcmd
-r-sr-xr-x  1  root  wheel     366740  Apr  23  06:25:56  2003  
/bin/rcmd
-r-xr-sr-x  1  root  kmem      155248  Sep  8   21:56:05  2002  
/sbin/ccdconfig
-r-xr-sr-x  1  root  kmem      155320  Apr  23  06:27:55  2003  
/sbin/ccdconfig
-r-xr-sr-x  2  root  tty       436376  Sep  8   21:56:14  2002  
/sbin/dump
-r-xr-sr-x  2  root  tty       438860  Apr  23  06:28:56  2003  
/sbin/dump
-r-xr-sr-x  2  root  tty       437768  Sep  8   21:56:15  2002  
/sbin/dump_lfs
-r-xr-sr-x  2  root  tty       440256  Apr  23  06:29:05  2003  
/sbin/dump_lfs
-r-sr-xr-x  1  root  wheel     316064  Sep  8   21:56:10  2002  
/sbin/ping
-r-sr-xr-x  1  root  wheel     318536  Apr  23  06:28:24  2003  
/sbin/ping
-r-sr-xr-x  1  root  wheel     328892  Sep  8   21:56:16  2002  
/sbin/ping6
-r-sr-xr-x  1  root  wheel     331380  Apr  23  06:29:13  2003  
/sbin/ping6
-r-xr-sr-x  2  root  tty       436376  Sep  8   21:56:14  2002  
/sbin/rdump
-r-xr-sr-x  2  root  tty       438860  Apr  23  06:28:56  2003  
/sbin/rdump
-r-xr-sr-x  2  root  tty       437768  Sep  8   21:56:15  2002  
/sbin/rdump_lfs
-r-xr-sr-x  2  root  tty       440256  Apr  23  06:29:05  2003  
/sbin/rdump_lfs
-r-sr-xr--  1  root  operator  340436  Sep  8   21:56:13  2002  
/sbin/shutdown
-r-sr-xr--  1  root  operator  342912  Apr  23  06:28:38  2003  
/sbin/shutdown
-r-sr-xr-x  4  root  wheel     23876   Sep  8   21:56:16  2002  
/usr/bin/at
-r-sr-xr-x  4  root  wheel     23876   Apr  23  06:29:21  2003  
/usr/bin/at
-r-sr-xr-x  4  root  wheel     23876   Sep  8   21:56:16  2002  
/usr/bin/atq
-r-sr-xr-x  4  root  wheel     23876   Apr  23  06:29:21  2003  
/usr/bin/atq
-r-sr-xr-x  4  root  wheel     23876   Sep  8   21:56:16  2002  
/usr/bin/atrm
-r-sr-xr-x  4  root  wheel     23876   Apr  23  06:29:21  2003  
/usr/bin/atrm
-r-sr-xr-x  4  root  wheel     23876   Sep  8   21:56:16  2002  
/usr/bin/batch
-r-sr-xr-x  4  root  wheel     23876   Apr  23  06:29:21  2003  
/usr/bin/batch
-r-sr-xr-x  3  root  wheel     22584   Sep  8   21:56:18  2002  
/usr/bin/chfn
-r-sr-xr-x  3  root  wheel     22584   Apr  23  06:29:39  2003  
/usr/bin/chfn
-r-sr-xr-x  3  root  wheel     22584   Sep  8   21:56:18  2002  
/usr/bin/chpass
-r-sr-xr-x  3  root  wheel     22584   Apr  23  06:29:39  2003  
/usr/bin/chpass
-r-sr-xr-x  3  root  wheel     22584   Sep  8   21:56:18  2002  
/usr/bin/chsh
-r-sr-xr-x  3  root  wheel     22584   Apr  23  06:29:39  2003  
/usr/bin/chsh
-r-sr-xr-x  1  root  wheel     28004   Sep  8   21:56:19  2002  
/usr/bin/crontab
-r-sr-xr-x  1  root  wheel     28004   Apr  23  06:29:50  2003  
/usr/bin/crontab
-r-sr-xr-x  1  uucp  wheel     141060  Sep  8   21:55:06  2002  
/usr/bin/cu
-r-sr-xr-x  1  uucp  wheel     141060  Apr  23  06:17:39  2003  
/usr/bin/cu
-r-xr-sr-x  1  root  kmem      18240   Sep  8   21:56:21  2002  
/usr/bin/fstat
-r-xr-sr-x  1  root  kmem      18240   Apr  23  06:30:12  2003  
/usr/bin/fstat
-r-sr-xr-x  1  root  wheel     9236    Sep  8   21:56:24  2002  
/usr/bin/lock
-r-sr-xr-x  1  root  wheel     9236    Apr  23  06:30:45  2003  
/usr/bin/lock
-r-sr-xr-x  1  root  wheel     28660   Sep  8   21:56:25  2002  
/usr/bin/login
-r-sr-xr-x  1  root  wheel     28660   Apr  23  06:30:47  2003  
/usr/bin/login
-r-sr-sr-x  1  root  daemon    20536   Sep  8   21:57:08  2002  
/usr/bin/lpq
-r-sr-sr-x  1  root  daemon    20536   Apr  23  06:36:33  2003  
/usr/bin/lpq
-r-sr-sr-x  1  root  daemon    22968   Sep  8   21:57:08  2002  
/usr/bin/lpr
-r-sr-sr-x  1  root  daemon    22968   Apr  23  06:36:34  2003  
/usr/bin/lpr
-r-sr-sr-x  1  root  daemon    25408   Sep  8   21:57:08  2002  
/usr/bin/lprm
-r-sr-sr-x  1  root  daemon    25408   Apr  23  06:36:35  2003  
/usr/bin/lprm
-r-xr-sr-x  1  root  kmem      7236    Sep  8   21:56:27  2002  
/usr/bin/modstat
-r-xr-sr-x  1  root  kmem      7236    Apr  23  06:31:07  2003  
/usr/bin/modstat
-r-xr-sr-x  1  root  kmem      118544  Sep  8   21:56:27  2002  
/usr/bin/netstat
-r-xr-sr-x  1  root  kmem      118544  Apr  23  06:31:12  2003  
/usr/bin/netstat
-r-sr-xr-x  2  root  wheel     20512   Sep  8   21:56:28  2002  
/usr/bin/passwd
-r-sr-xr-x  2  root  wheel     20512   Apr  23  06:31:18  2003  
/usr/bin/passwd
-r-sr-xr-x  1  root  wheel     13812   Sep  8   21:56:29  2002  
/usr/bin/rlogin
-r-sr-xr-x  1  root  wheel     13812   Apr  23  06:31:31  2003  
/usr/bin/rlogin
-r-sr-xr-x  1  root  wheel     6164    Sep  8   21:56:39  2002  
/usr/bin/skeyinfo
-r-sr-xr-x  1  root  wheel     6164    Apr  23  06:33:01  2003  
/usr/bin/skeyinfo
-r-sr-xr-x  1  root  wheel     12264   Sep  8   21:56:39  2002  
/usr/bin/skeyinit
-r-sr-xr-x  1  root  wheel     12264   Apr  23  06:33:02  2003  
/usr/bin/skeyinit
-r-sr-xr-x  1  root  wheel     18036   Sep  8   21:56:31  2002  
/usr/bin/su
-r-sr-xr-x  1  root  wheel     18036   Apr  23  06:31:48  2003  
/usr/bin/su
-r-xr-sr-x  2  root  kmem      90432   Sep  8   21:56:31  2002  
/usr/bin/sysstat
-r-xr-sr-x  2  root  kmem      90432   Apr  23  06:31:49  2003  
/usr/bin/sysstat
-r-xr-sr-x  2  root  kmem      90432   Sep  8   21:56:31  2002  
/usr/bin/systat
-r-xr-sr-x  2  root  kmem      90432   Apr  23  06:31:49  2003  
/usr/bin/systat
-r-sr-xr--  1  uucp  dialer    56144   Sep  8   21:56:32  2002  
/usr/bin/tip
-r-sr-xr--  1  uucp  dialer    56144   Apr  23  06:31:57  2003  
/usr/bin/tip
-r-sr-xr-x  1  uucp  wheel     101420  Sep  8   21:55:07  2002  
/usr/bin/uucp
-r-sr-xr-x  1  uucp  wheel     101420  Apr  23  06:17:50  2003  
/usr/bin/uucp
-r-sr-xr-x  1  uucp  wheel     43676   Sep  8   21:55:07  2002  
/usr/bin/uuname
-r-sr-xr-x  1  uucp  wheel     43676   Apr  23  06:17:55  2003  
/usr/bin/uuname
-r-sr-xr-x  1  uucp  wheel     111440  Sep  8   21:55:08  2002  
/usr/bin/uustat
-r-sr-xr-x  1  uucp  wheel     111440  Apr  23  06:18:02  2003  
/usr/bin/uustat
-r-sr-xr-x  1  uucp  wheel     101044  Sep  8   21:55:09  2002  
/usr/bin/uux
-r-sr-xr-x  1  uucp  wheel     101044  Apr  23  06:18:07  2003  
/usr/bin/uux
-r-xr-sr-x  1  root  kmem      38060   Sep  8   21:56:36  2002  
/usr/bin/vmstat
-r-xr-sr-x  1  root  kmem      38112   Apr  23  06:32:32  2003  
/usr/bin/vmstat
-r-xr-sr-x  1  root  tty       9020    Sep  8   21:56:36  2002  
/usr/bin/wall
-r-xr-sr-x  1  root  tty       9020    Apr  23  06:32:35  2003  
/usr/bin/wall
-r-xr-sr-x  1  root  tty       9596    Sep  8   21:56:37  2002  
/usr/bin/write
-r-xr-sr-x  1  root  tty       9596    Apr  23  06:32:43  2003  
/usr/bin/write
-r-sr-xr-x  2  root  wheel     20512   Sep  8   21:56:28  2002  
/usr/bin/yppasswd
-r-sr-xr-x  2  root  wheel     20512   Apr  23  06:31:18  2003  
/usr/bin/yppasswd
-r-xr-sr-x  1  root  games     45368   Sep  9   10:21:00  2002  
/usr/games/atc
-r-xr-sr-x  1  root  games     45368   Apr  23  06:26:09  2003  
/usr/games/atc
-r-xr-sr-x  1  root  games     186916  Sep  9   10:21:01  2002  
/usr/games/battlestar
-r-xr-sr-x  1  root  games     186916  Apr  23  06:26:17  2003  
/usr/games/battlestar
-r-xr-sr-x  1  root  games     26600   Sep  9   10:21:05  2002  
/usr/games/canfield
-r-xr-sr-x  1  root  games     26600   Apr  23  06:26:24  2003  
/usr/games/canfield
-r-xr-sr-x  1  root  games     32280   Sep  9   10:21:05  2002  
/usr/games/cribbage
-r-xr-sr-x  1  root  games     32280   Apr  23  06:26:26  2003  
/usr/games/cribbage
-r-xr-sr-x  1  root  games     9184    Sep  9   10:21:05  2002  
/usr/games/dm
-r-xr-sr-x  1  root  games     9184    Apr  23  06:26:27  2003  
/usr/games/dm
-r-xr-sr-x  1  root  games     251748  Sep  9   10:21:06  2002  
/usr/games/hack
-r-xr-sr-x  1  root  games     251748  Apr  23  06:26:40  2003  
/usr/games/hack
-r-xr-sr-x  1  root  games     156108  Sep  9   10:21:06  2002  
/usr/games/larn
-r-xr-sr-x  1  root  games     156108  Apr  23  06:26:44  2003  
/usr/games/larn
-r-xr-sr-x  1  root  games     75260   Sep  9   10:21:07  2002  
/usr/games/phantasia
-r-xr-sr-x  1  root  games     75260   Apr  23  06:26:49  2003  
/usr/games/phantasia
-r-xr-sr-x  1  root  games     22140   Sep  9   10:21:08  2002  
/usr/games/robots
-r-xr-sr-x  1  root  games     22140   Apr  23  06:27:01  2003  
/usr/games/robots
-r-xr-sr-x  1  root  games     115356  Sep  9   10:21:08  2002  
/usr/games/rogue
-r-xr-sr-x  1  root  games     118028  Apr  23  06:27:03  2003  
/usr/games/rogue
-r-xr-sr-x  1  root  games     77744   Sep  9   10:21:08  2002  
/usr/games/sail
-r-xr-sr-x  1  root  games     77744   Apr  23  06:27:04  2003  
/usr/games/sail
-r-xr-sr-x  1  root  games     18648   Sep  9   10:21:08  2002  
/usr/games/snake
-r-xr-sr-x  1  root  games     18648   Apr  23  06:27:05  2003  
/usr/games/snake
-r-xr-sr-x  1  root  games     20008   Sep  9   10:21:08  2002  
/usr/games/tetris
-r-xr-sr-x  1  root  games     20008   Apr  23  06:27:06  2003  
/usr/games/tetris
-r-sr-xr-x  1  root  wheel     10340   Sep  8   21:56:03  2002  
/usr/libexec/mail.local
-r-sr-xr-x  1  root  wheel     10340   Apr  23  06:27:31  2003  
/usr/libexec/mail.local
-r-sr-xr-x  1  root  wheel     440212  Sep  8   21:55:49  2002  
/usr/libexec/sendmail/sendmail
-r-sr-xr-x  1  root  wheel     441384  Apr  23  06:24:55  2003  
/usr/libexec/sendmail/sendmail
-r-sr-xr-x  1  root  wheel     176844  Sep  8   21:56:42  2002  
/usr/libexec/ssh-keysign
-r-sr-xr-x  1  root  wheel     176828  Apr  23  06:33:24  2003  
/usr/libexec/ssh-keysign
-r-sr-xr-x  1  uucp  wheel     255304  Sep  8   21:55:06  2002  
/usr/libexec/uucp/uucico
-r-sr-xr-x  1  uucp  wheel     255304  Apr  23  06:17:45  2003  
/usr/libexec/uucp/uucico
-r-sr-xr-x  1  uucp  wheel     113992  Sep  8   21:55:09  2002  
/usr/libexec/uucp/uuxqt
-r-sr-xr-x  1  uucp  wheel     113992  Apr  23  06:18:10  2003  
/usr/libexec/uucp/uuxqt
-r-xr-sr-x  1  root  daemon    30636   Sep  8   21:57:07  2002  
/usr/sbin/lpc
-r-xr-sr-x  1  root  daemon    30636   Apr  23  06:36:30  2003  
/usr/sbin/lpc
-r-sr-xr-x  1  root  wheel     18928   Sep  8   21:57:11  2002  
/usr/sbin/mrinfo
-r-sr-xr-x  1  root  wheel     18824   Apr  23  06:22:29  2003  
/usr/sbin/mrinfo
-r-sr-xr-x  1  root  wheel     31320   Sep  8   21:57:11  2002  
/usr/sbin/mtrace
-r-sr-xr-x  1  root  wheel     31252   Apr  23  06:22:31  2003  
/usr/sbin/mtrace
-r-xr-sr-x  1  root  maildrop  93252   Sep  8   21:55:42  2002  
/usr/sbin/postdrop
-r-xr-sr-x  1  root  maildrop  93252   Apr  23  06:23:53  2003  
/usr/sbin/postdrop
-r-xr-sr-x  1  root  maildrop  82412   Sep  8   21:55:44  2002  
/usr/sbin/postqueue
-r-xr-sr-x  1  root  maildrop  82412   Apr  23  06:24:10  2003  
/usr/sbin/postqueue
-r-sr-xr-x  1  root  wheel     174948  Sep  8   21:57:15  2002  
/usr/sbin/pppd
-r-sr-xr-x  1  root  wheel     174952  Apr  23  06:37:37  2003  
/usr/sbin/pppd
-r-xr-sr-x  1  root  kmem      22116   Sep  8   21:57:16  2002  
/usr/sbin/pstat
-r-xr-sr-x  1  root  kmem      22116   Apr  23  06:37:38  2003  
/usr/sbin/pstat
-r-sr-xr-x  1  root  wheel     10260   Sep  8   21:57:18  2002  
/usr/sbin/sliplogin
-r-sr-xr-x  1  root  wheel     10260   Apr  23  06:38:00  2003  
/usr/sbin/sliplogin
-r-xr-sr-x  1  root  kmem      9108    Sep  8   21:57:18  2002  
/usr/sbin/slstats
-r-xr-sr-x  1  root  kmem      9108    Apr  23  06:38:01  2003  
/usr/sbin/slstats
-r-sr-xr-x  1  root  wheel     17448   Sep  8   21:57:22  2002  
/usr/sbin/timedc
-r-sr-xr-x  1  root  wheel     17448   Apr  23  06:38:17  2003  
/usr/sbin/timedc
-r-sr-xr-x  1  root  wheel     23120   Sep  8   21:57:23  2002  
/usr/sbin/traceroute
-r-sr-xr-x  1  root  wheel     23120   Apr  23  06:38:19  2003  
/usr/sbin/traceroute
-r-sr-xr-x  1  root  wheel     18800   Sep  8   21:57:28  2002  
/usr/sbin/traceroute6
-r-sr-xr-x  1  root  wheel     18800   Apr  23  06:39:07  2003  
/usr/sbin/traceroute6
-r-xr-sr-x  1  root  kmem      11728   Sep  8   21:57:23  2002  
/usr/sbin/trpt
-r-xr-sr-x  1  root  kmem      11728   Apr  23  06:38:19  2003  
/usr/sbin/trpt
-r-xr-sr-x  1  root  kmem      12100   Sep  8   21:57:23  2002  
/usr/sbin/trsp
-r-xr-sr-x  1  root  kmem      12100   Apr  23  06:38:20  2003  
/usr/sbin/trsp