have shutdown code run /etc/rc with arg of "shutdown"; rc.shutdown becomes completely admin-editable

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.107 1999/08/31 03:47:16 deraadt Exp $
+#	$OpenBSD: rc,v 1.108 1999/09/03 18:11:48 deraadt Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -16,6 +16,22 @@ HOME=/; export HOME
 PATH=/sbin:/bin:/usr/sbin:/usr/bin
 export PATH
 
+if [ $1x = shutdownx ]; then
+	dd if=/dev/urandom of=/var/db/host.random bs=1024 count=64 >/dev/null 2>&1
+	chmod 600 /var/db/host.random >/dev/null 2>&1
+	if [ $? -eq 0 -a -f /etc/rc.shutdown ]; then
+		echo /etc/rc.shutdown in progress...
+		. /etc/rc.shutdown
+		echo /etc/rc.shutdown complete.
+		if [ "X${powerdown}" = X"YES" ]; then
+			exit 2
+		fi
+	else
+		echo single user: not running /etc/rc.shutdown
+	fi
+	exit 0
+fi
+
 # Configure ccd devices.
 if [ -f /etc/ccd.conf ]; then
 	ccdconfig -C

src/etc/rc.shutdown

@@ -1,21 +1,12 @@
-#	$OpenBSD: rc.shutdown,v 1.4 1999/07/25 19:32:17 deraadt Exp $
+#	$OpenBSD: rc.shutdown,v 1.5 1999/09/03 18:11:48 deraadt Exp $
 #
 # If it exists, this script is run at system-shutdown by reboot(8),
-# halt(8).
-# If the architecture supports keyboard requested halting, it is also
-# run by init(8) when such an event happens.
+# halt(8).  If the architecture supports keyboard requested halting,
+# it is also run by init(8) when such an event happens.
 #
 
-echo /etc/rc.shutdown in progress...
-
-# save part of our entropy pool for reuse on reboot
-dd if=/dev/urandom of=/var/db/host.random bs=1024 count=64 >/dev/null 2>&1
-chmod 600 /var/db/host.random >/dev/null 2>&1
+powerdown=NO	# set to YES for powerdown
 
 #
 # Your shell code goes here
 #
-
-
-echo shutdown complete.
-exit 0		# An exit code of 2 will cause init(8) to attempt powerdown.