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Add ch to some dead ports for consistency, of course not tested.

#!/bin/sh -
#
#	$OpenBSD: MAKEDEV,v 1.19 2000/03/22 08:34:16 niklas Exp $
#
# Copyright (c) 1990 The Regents of the University of California.
# All rights reserved.
#
# Written and contributed by W. Jolitz 12/90
#
# Redistribution and use in source and binary forms are permitted provided
# that: (1) source distributions retain this entire copyright notice and
# comment, and (2) distributions including binaries display the following
# acknowledgement:  ``This product includes software developed by the
# University of California, Berkeley and its contributors'' in the
# documentation or other materials provided with the distribution and in
# all advertising materials mentioning features or use of this software.
# Neither the name of the University nor the names of its contributors may
# be used to endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
#	@(#)MAKEDEV	5.2 (Berkeley) 6/22/90
#
# Device "make" file.  Valid arguments:
#	all	makes all known devices, including local devices.
#		Tries to make the 'standard' number of each type.
#	floppy	devices to be put on install floppies
#	std	standard devices
#	local	configuration specific devices
#
# Tapes:
#	st*	SCSI tapes
#
# Disks:
#	sd*	SCSI disks
#	cd*	SCSI CD-ROM
#	vnd*	"file" pseudo-disks
#	ccd*	concatenated disk driver
#
# Terminal ports:
#	tty*	rs232 devices
#
# Pseudo terminals:
#	pty*	set of 16 master and slave pseudo terminals
#
# Printers:
#	lpt*	Matthias's lp interface
#
# Special purpose devices:
#	ch*	SCSI media changer
#	fd	file descriptors
#	bpf*	packet filter
#	lkm	loadable kernel modules interface
#	tun*	network tunnel driver
#	*random	random data source
#	uk*	unknown SCSI
#	ss*	SCSI scanners
#

PATH=/sbin:/usr/sbin:/bin:/usr/bin
umask 77
for i
do
case $i in

all)
	sh MAKEDEV std fd sd0 sd1 sd2 st0 st1 cd0 cd1
	sh MAKEDEV tty0 tty1 tty2 tty3 tty4 tty5 tty6 tty7
	sh MAKEDEV bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7 bpf8 bpf9
	sh MAKEDEV tun0 tun1 tun2 lkm random ipl
	sh MAKEDEV ccd0 ccd1 ccd2 ccd3
	sh MAKEDEV uk0 uk1
	sh MAKEDEV ss0
	;;

floppy)
	sh MAKEDEV std sd0 sd1 sd2 tty0 tty1 tty2 tty3
	sh MAKEDEV st0 st1 cd0 cd1 rd0
	;;

std)
	rm -f console drum mem kmem null zero io tty klog stdin stdout stderr
	mknod console		c 0 0
	mknod drum		c 4 0	; chmod 640 drum ; chown root.kmem drum
	mknod kmem		c 2 1	; chmod 640 kmem ; chown root.kmem kmem
	mknod mem		c 2 0	; chmod 640 mem	; chown root.kmem mem
	mknod null		c 2 2	; chmod 666 null
	mknod zero		c 2 12	; chmod 666 zero
	mknod tty		c 1 0	; chmod 666 tty
	mknod klog		c 7 0	; chmod 600 klog
	mknod stdin		c 11 0	; chmod 666 stdin
	mknod stdout		c 11 1	; chmod 666 stdout
	mknod stderr		c 11 2	; chmod 666 stderr
	;;

fd)
	rm -f fd/*
	mkdir fd > /dev/null 2>&1
	(cd fd && eval `echo "" | awk ' BEGIN { \
		for (i = 0; i < 64; i++) \
	 		printf("mknod %d c 11 %d;", i, i)}'`)
	chown -R root.wheel fd
	chmod 555 fd
	chmod 666 fd/*
	;;

rd*)
	umask 2 ; unit=`expr $i : '.*d\(.*\)'`
	mknod rd${unit} b 3 $unit
	mknod rrd${unit} c 9 $unit
	chown root.operator rd${unit} rrd${unit}
	chmod 640 rd${unit} rrd${unit}
	umask 77
	;;
	
sd*|ccd*)
	umask 2 ; unit=`expr $i : '.*d\(.*\)'`
	case $i in
	sd*) name=sd; blk=0; chr=3;;
	ccd*) name=ccd; blk=6; chr=18;;
	esac
	rm -f $name$unit? r$name$unit?
	mknod ${name}${unit}a	b $blk `expr $unit '*' 8 + 0`
	mknod ${name}${unit}b	b $blk `expr $unit '*' 8 + 1`
	mknod ${name}${unit}c	b $blk `expr $unit '*' 8 + 2`
	mknod ${name}${unit}d	b $blk `expr $unit '*' 8 + 3`
	mknod ${name}${unit}e	b $blk `expr $unit '*' 8 + 4`
	mknod ${name}${unit}f	b $blk `expr $unit '*' 8 + 5`
	mknod ${name}${unit}g	b $blk `expr $unit '*' 8 + 6`
	mknod ${name}${unit}h	b $blk `expr $unit '*' 8 + 7`
	mknod r${name}${unit}a	c $chr `expr $unit '*' 8 + 0`
	mknod r${name}${unit}b	c $chr `expr $unit '*' 8 + 1`
	mknod r${name}${unit}c	c $chr `expr $unit '*' 8 + 2`
	mknod r${name}${unit}d	c $chr `expr $unit '*' 8 + 3`
	mknod r${name}${unit}e	c $chr `expr $unit '*' 8 + 4`
	mknod r${name}${unit}f	c $chr `expr $unit '*' 8 + 5`
	mknod r${name}${unit}g	c $chr `expr $unit '*' 8 + 6`
	mknod r${name}${unit}h	c $chr `expr $unit '*' 8 + 7`
	chown root.operator ${name}${unit}[a-h] r${name}${unit}[a-h]
	chmod 640 ${name}${unit}[a-h] r${name}${unit}[a-h]
	umask 77
	;;

vnd*)
	umask 2 ; unit=`expr $i : 'vnd\(.*\)'`
	for name in vnd svnd; do
		blk=5; chr=13;
		case $name in
		vnd)	off=0;;
		svnd)	off=128;;
		esac
		rm -f $name$unit? r$name$unit?
		mknod ${name}${unit}a	b $blk `expr $unit '*' 8 + $off + 0`
		mknod ${name}${unit}b	b $blk `expr $unit '*' 8 + $off + 1`
		mknod ${name}${unit}c	b $blk `expr $unit '*' 8 + $off + 2`
		mknod ${name}${unit}d	b $blk `expr $unit '*' 8 + $off + 3`
		mknod ${name}${unit}e	b $blk `expr $unit '*' 8 + $off + 4`
		mknod ${name}${unit}f	b $blk `expr $unit '*' 8 + $off + 5`
		mknod ${name}${unit}g	b $blk `expr $unit '*' 8 + $off + 6`
		mknod ${name}${unit}h	b $blk `expr $unit '*' 8 + $off + 7`
		mknod r${name}${unit}a	c $chr `expr $unit '*' 8 + $off + 0`
		mknod r${name}${unit}b	c $chr `expr $unit '*' 8 + $off + 1`
		mknod r${name}${unit}c	c $chr `expr $unit '*' 8 + $off + 2`
		mknod r${name}${unit}d	c $chr `expr $unit '*' 8 + $off + 3`
		mknod r${name}${unit}e	c $chr `expr $unit '*' 8 + $off + 4`
		mknod r${name}${unit}f	c $chr `expr $unit '*' 8 + $off + 5`
		mknod r${name}${unit}g	c $chr `expr $unit '*' 8 + $off + 6`
		mknod r${name}${unit}h	c $chr `expr $unit '*' 8 + $off + 7`
		chown root.operator ${name}${unit}[a-h] r${name}${unit}[a-h]
		chmod 640 ${name}${unit}[a-h] r${name}${unit}[a-h]
	done
	umask 77
	;;

tty*)
	unit=`expr $i : '...\(.*\)'`
	mknod tty0$unit c 8 $unit
	chown uucp.dialer tty0$unit
	chmod 660 tty0$unit
	;;

pty*)
	class=`expr $i : 'pty\(.*\)'`
	case $class in
	0) offset=0 name=p;;
	1) offset=16 name=q;;
	2) offset=32 name=r;;
	3) offset=48 name=s;;
	4) offset=64 name=t;;
	5) offset=80 name=u;;
	6) offset=96 name=v;;
	7) offset=112 name=w;;
	8) offset=128 name=x;;
	9) offset=144 name=y;;
	10) offset=160 name=z;;
	11) offset=176 name=P;;
	12) offset=192 name=Q;;
	13) offset=208 name=R;;
	14) offset=224 name=S;;
	15) offset=240 name=T;;
	*) echo bad unit for pty in: $i;;
	esac
	case $class in
	0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15)
		umask 0
		eval `echo $offset $name | awk ' { b=$1; n=$2 } END {
			for (i = 0; i < 16; i++)
				printf("rm -f tty%s%x; mknod tty%s%x c 5 %d;" \
				    "rm -f pty%s%x; mknod pty%s%x c 6 %d; ", \
				    n, i, n, i, b+i, n, i, n, i, b+i); }'`
		umask 77
		;;
	esac
	;;

st*)
	umask 2 ; unit=`expr $i : '..\(.*\)'`
	case $i in
	st*) name=st;  chr=10; blk=2;;
	esac
	rm -f $name$unit n$name$unit e$name$unit en$name$unit \
		r$name$unit nr$name$unit er$name$unit enr$name$unit 
	mknod ${name}${unit}	b $blk `expr $unit '*' 16 + 0`
	mknod n${name}${unit}	b $blk `expr $unit '*' 16 + 1`
	mknod e${name}${unit}	b $blk `expr $unit '*' 16 + 2`
	mknod en${name}${unit}	b $blk `expr $unit '*' 16 + 3`
	mknod r${name}${unit}	c $chr `expr $unit '*' 16 + 0`
	mknod nr${name}${unit}	c $chr `expr $unit '*' 16 + 1`
	mknod er${name}${unit}	c $chr `expr $unit '*' 16 + 2`
	mknod enr${name}${unit}	c $chr `expr $unit '*' 16 + 3`
	chown root.operator ${name}${unit} n${name}${unit} \
		e$name$unit en$name$unit \
		r${name}${unit} nr${name}${unit} \
		er${name}${unit} enr${name}${unit} 
	chmod 660 ${name}${unit} n${name}${unit} \
		e$name$unit en$name$unit \
		r${name}${unit} nr${name}${unit} \
		er${name}${unit} enr${name}${unit} 
	umask 77
	;;

ch*)
	umask 2
	name=ch; chr=16
	rm -f $name$unit
	mknod ${name}${unit}	c $chr $unit
	chown root.operator ${name}${unit}
	chmod 660 ${name}${unit}
	umask 77
	;;

cd*)
	umask 2 ; unit=`expr $i : '.*cd\(.*\)'`
	case $i in
        cd*) name=cd; blk=4; chr=12;;
	esac
	rm -f $name$unit? r$name$unit?
	mknod ${name}${unit}a	b $blk `expr $unit '*' 8 + 0`
	mknod ${name}${unit}d	b $blk `expr $unit '*' 8 + 3`
	mknod r${name}${unit}a	c $chr `expr $unit '*' 8 + 0`
	mknod r${name}${unit}d	c $chr `expr $unit '*' 8 + 3`
	chown root.operator ${name}${unit}[a-h] r${name}${unit}[a-h]
	chmod 640 ${name}${unit}[a-h] r${name}${unit}[a-h]
	umask 77
	;;

lpt*)
	unit=`expr $i : 'lpt\(.*\)'`
	rm -f lpt${unit} lpt${unit}p
	mknod lpt${unit}  c 17 `expr $unit + 64`
	mknod lpt${unit}p c 17 $unit
	chmod 0220 lpt${unit} lpt${unit}p
	chown root.wheel lpt$unit
	;;

bpf*)
	unit=`expr $i : 'bpf\(.*\)'`
	rm -f bpf$unit
	mknod bpf$unit c 14 $unit
	chown root.wheel bpf$unit
	;;

ipl)
	rm -f ipl ipnat ipstate ipauth
	mknod ipl c 19 0
	mknod ipnat c 19 1
	mknod ipstate c 19 2
	mknod ipauth c 19 3
	chown root.wheel ipl ipnat ipstate ipauth
	;;

tun*)
	unit=`expr $i : 'tun\(.*\)'`
	rm -f tun$unit
	mknod tun$unit c 15 $unit
	chmod 600 tun$unit
	chown root.wheel tun$unit
	;;

lkm)
	rm -f lkm
	mknod lkm c 18 0
	chown root.kmem lkm
	chmod 640 lkm
	;;

random|srandom|urandom|prandom|arandom)
	rm -f random urandom srandom prandom arandom
	mknod  random c 20 0
	mknod srandom c 20 1
	mknod urandom c 20 2
	mknod prandom c 20 3
	mknod arandom c 20 4
	chown root.wheel random srandom urandom prandom arandom
	chmod 644 random srandom urandom prandom arandom
	;;

uk*)
	unit=`expr $i : 'uk\(.*\)'`
	rm -f uk$unit
	mknod uk$unit c 21 $unit
	chown root.operator uk$unit
	chmod 640 uk$unit
	;;

ss*)
	unit=`expr $i : 'ss\(.*\)'`
	rm -f ss$unit
	mknod ss$unit c 22 $unit
	chown root.operator ss$unit
	chmod 440 ss$unit
#	backwards compatibility with older PINTs
	rm -f scan$unit
	ln -s ss$unit scan$unit
	;;

local)
	umask 0
	test -s MAKEDEV.local && sh MAKEDEV.local
	;;

esac
done