Index: etc/rc.subr
===================================================================
RCS file: /home/ncvs/src/etc/rc.subr,v
retrieving revision 1.13
diff -u -r1.13 rc.subr
--- etc/rc.subr	9 Jun 2003 17:31:06 -0000	1.13
+++ etc/rc.subr	1 Aug 2003 23:05:21 -0000
@@ -1033,3 +1033,160 @@
 		esac
 	fi
 }
+
+# devfs_init_rulesets
+#	Initialize default system supplied rulesets.
+#
+devfs_init_rulesets()
+{
+	local rsHide rsBasic rsLogin rsJail _me
+	rsHide=$devfs_ruleset_hide
+	rsBasic=$devfs_ruleset_basic
+	rsLogin=$devfs_ruleset_login
+	rsJail=$devfs_ruleset_jail
+	_me="devfs_init_rulesets"
+
+	# Go through this only once
+	if [ -n "$devfs_rulesets_init" ]; then
+		debug "$_me: devfs rulesets already initialized"
+		return
+	fi
+
+	# Hide: Hide all devices
+	#
+	/sbin/devfs rule -s $rsHide delset
+	/sbin/devfs rule -s $rsHide add hide
+
+	# Basic: Basic devices typically necessary
+	#
+	/sbin/devfs rule -s $rsBasic delset
+	/sbin/devfs rule -s $rsBasic add path null unhide
+	/sbin/devfs rule -s $rsBasic add path zero unhide
+	/sbin/devfs rule -s $rsBasic add path random unhide
+	/sbin/devfs rule -s $rsBasic add path urandom unhide
+
+	# Login: Devices typically needed to support loged-in users
+	#
+	/sbin/devfs rule -s $rsLogin delset
+	/sbin/devfs rule -s $rsLogin add path 'ptyp*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptyq*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptyr*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptys*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptyP*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptyQ*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptyR*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ptyS*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyp*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyq*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyr*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttys*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyP*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyQ*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyR*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'ttyS*' unhide
+	/sbin/devfs rule -s $rsLogin add path 'fd/*' unhide
+	/sbin/devfs rule -s $rsLogin add path stdin unhide
+	/sbin/devfs rule -s $rsLogin add path stdout unhide
+	/sbin/devfs rule -s $rsLogin add path stderr unhide
+
+	# Jail: Devices typically usefull in a jail
+	#
+	/sbin/devfs rule -s $rsJail add path '*' include $rsHide
+	/sbin/devfs rule -s $rsJail add path '*' include $rsBasic
+	/sbin/devfs rule -s $rsJail add path '*' include $rsLogin
+
+	devfs_rulesets_init=1
+	debug "$_me: devfs rulesets initialized"
+}
+
+# devfs_set_ruleset ruleset [dir]
+#	Sets the default ruleset of dir to ruleset.
+#	Returns non-zero if it could not set it successfully.
+#
+devfs_set_ruleset()
+{
+	local devdir rs _me
+	rs=$1
+	[ -n "$2" ] && devdir="-m "$2"" || devdir=
+	_me="devfs_set_ruleset"
+
+	if [ -z "$rs" ]; then
+		warn "$_me: you must specify a ruleset number"
+		return 1
+	fi
+	debug "$_me: setting ruleset ($rs) on mount-point (${devdir#-m })"
+	if ! /sbin/devfs $devdir ruleset $rs ; then
+		warn "$_me: unable to set ruleset $rs to ${devdir#-m }"
+		return 1
+	fi
+	return 0
+}
+
+# devfs_apply_ruleset ruleset [dir]
+#	Apply ruleset number $ruleset to the devfs mountpoint $dir.
+#	Returns 0 on success or non-zero if it could not apply
+#	the ruleset.
+#
+devfs_apply_ruleset()
+{
+	local devdir rs _me
+	rs=$1
+	[ -n "$2" ] && devdir="-m "$2"" || devdir=
+	_me="devfs_apply_ruleset"
+
+	if [ -z "$rs" ]; then
+		warn "$_me: you must specify a ruleset"
+		return 1
+	fi
+	debug "$_me: applying ruleset ($rs) to mount-point (${devdir#-m })"
+	if ! /sbin/devfs $devdir rule -s $rs applyset ; then
+		warn "$_me: unable to apply ruleset $rs to ${devdir#-m }"
+		return 1
+	fi
+	return 0
+}
+
+# devfs_domount dir [ruleset]
+#	Mount devfs on dir. If ruleset is specified it is set
+#	on the mount-point. Returns 0 on success.
+#
+devfs_domount()
+{
+	local devdir rs _me
+	devdir="$1"
+	[ -n "$2" ] && rs=$2 || rs=
+	_me="devfs_domount()"
+
+	if [ -z "$devdir" ]; then
+		warn "$_me: you must specify a mount-point"
+		return 1
+	fi
+	debug "$_me: mount-point is ($devdir), ruleset is ($rs)"
+	if ! mount -t devfs dev "$devdir" ; then
+		warn "$_me: Unable to mount devfs on $devdir"
+		return 1
+	fi
+	if [ -n "$rs" ]; then
+		devfs_init_rulesets
+		devfs_set_ruleset $rs $devdir
+	fi
+	return 0
+}
+
+# devfs_mount_jail dir
+#	Mounts a devfs file system appropriate for jails
+#	on the directory dir. Returns non-zero if an error
+#	occured.
+#
+devfs_mount_jail()
+{
+	local jdev _me
+	jdev="$1"
+	_me="devfs_mount_jail"
+
+	if ! devfs_domount "$jdev" $devfs_ruleset_jail; then
+		warn "$_me: devfs was not mounted on $jdev"
+		return 1
+	fi
+	return 0
+}