#!/bin/sh -
#
#	$OpenBSD: MAKEDEV,v 1.29 1997/06/06 09:53:52 grr Exp $
#
# Copyright (c) 1990 The Regents of the University of California.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the University of
#	California, Berkeley and its contributors.
# 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#	@(#)MAKEDEV	5.5 (Berkeley) 5/28/91
#
# Device "make" file.  Valid arguments:
#	std	standard devices
#	local	configuration specific devices
# Tapes:
#	st*	? tape
# Disks:
#	sd*	SCSI disks
#	cd*	SCSI cdrom drives
#	st*	SCSI tape
#	ch*	SCSI changer
#	uk*	unknown SCSI
#	ss*	SCSI scanners
#	xy*	Xylogic 450/451 disks
#	rd*	"ramdisk" pseudo-disks
#	xd*	Xylogic 753/7053 disks
#	fd*	Floppies
#	vnd*	"file" pseudo-disks
#	ccd*	concatenated disk devices
# Pseudo terminals:
#	pty*	set of 16 master and slave pseudo terminals
# Printers:
# Call units:
# Special purpose devices:
#	audio
#	openprom
#	bwtwo*
#	cgthree*
#	cgfour*
#	cgsix*
#	cgeight*
#	bpf*	packet filter
#	lkm	loadable kernel modules interface
#	tun*	network tunnel driver
#	*random	random data source

PATH=/sbin:/bin/:/usr/bin:/usr/sbin:/usr/etc
this=$0
umask 77

case "$os" in # set os in the environment if not OpenBSD
SunOS) add ()
	{
		expr $1 + $2
	}
	mult ()
	{
		expr $1 '*' $2
	}
	hex ()
	{
		case $1 in
		[0-9]) echo $1;;
		10) echo a;;
		11) echo b;;
		12) echo c;;
		13) echo d;;
		14) echo e;;
		15) echo f;;
		esac
	}
	trunc ()
	{
		expr $1 : $2'\(.*\)'
	}
	unt ()
	{
		expr $1 : '[a-z]*\([0-9]*\)[a-p]*'
	}
	 ;;
*) add ()
	{
		echo "$(( $1 + $2 ))"
	}
	mult ()
	{
		echo "$(( $1 * $2 ))"
	}
	hex ()
	{
		case $1 in
			[0-9]) echo -n $1 ;;
			10) echo -n a;;
			11) echo -n b;;
			12) echo -n c;;
			13) echo -n d;;
			14) echo -n e;;
			15) echo -n f;;
		esac
	}
	trunc ()
	{
		# XXX pdksh can't seem to deal with locally scoped variables
		# in ${foo#$bar} expansions
		arg1="$1"
		arg2="$2"
		echo ${arg1#$arg2}
	}
	unt ()
	{
		# XXX pdksh can't seem to deal with locally scoped variables
		# in ${foo#$bar} expansions
		arg1="$1"
		if [ "${arg1#xy}" != "$arg1" ]
		then
			unt=${arg1#xy}
		else
			unt=${arg1#*d}
		fi
		echo ${unt%*[a-p]}
	}
	 ;;
esac

for i
do

unit=`expr $i : '[a-z][a-z]*\([0-9][0-9]*\)'`
[ "$unit" ] || unit=0

case $i in

all)
	sh ${this} std sd0 sd1 sd2 sd3 sd4 xd0 xd1 xd2 xd3 xy0 xy1 xy2 xy3
	sh ${this} cd0 st0 st1 rd0
	sh ${this} fd0 fdB0 fdC0 fdD0 fdE0 fdF0 fdG0 fdH0
	sh ${this} uk0 uk1
	sh ${this} ss0 ss1
	sh ${this} pty0 vnd0 vnd1 vnd2 vnd3 audio tun0 tun1 tun2 tun3
	sh ${this} ccd0 ccd1 ccd2 ccd3
	sh ${this} bpf0 bpf1 bpf2 bpf3
	sh ${this} ipl
	sh ${this} bwtwo0 cgthree0 cgfour0 cgsix0
	sh ${this} cgeight0
	sh ${this} lkm random local
	;;

floppy)
	sh ${this} std random
	sh ${this} fd0 sd0 sd1
	;;

ramdisk)
	sh ${this} std random
	sh ${this} fd0 sd0 sd1 sd2 sd3 rd0 cd0
	;;

std)
	mknod console		c 0 0
	mknod tty		c 2 0	; chmod 666 tty
	mknod kmem		c 3 1	; chmod 640 kmem ; chown root.kmem kmem
	mknod mem		c 3 0	; chmod 640 mem ; chown root.kmem mem
	mknod null		c 3 2	; chmod 666 null
	mknod zero		c 3 12	; chmod 666 zero
	mknod eeprom		c 3 11  ; chmod 640 eeprom ; chown root.kmem eeprom
	mknod openprom		c 70 0  ; chmod 644 openprom
	mknod drum		c 7 0	; chmod 640 drum ; chown root.kmem drum
	mknod klog		c 16 0	; chmod 600 klog
	mknod stdin		c 24 0	; chmod 666 stdin
	mknod stdout		c 24 1	; chmod 666 stdout
	mknod stderr		c 24 2	; chmod 666 stderr
	mknod ttya		c 12 0
	mknod ttyb		c 12 1
	mknod fb		c 22 0 ; chmod 666 fb
	mknod mouse		c 13 0 ; chmod 666 mouse
	mknod kbd		c 29 0 ; chmod 666 kbd
	;;

fd)
	rm -f fd/*
	mkdir fd > /dev/null 2>&1
	n=0
	(cd fd && while [ $n -lt 64 ]; do mknod $n c 24 $n; n=`add $n 1`; done )
	chown -R root.wheel fd
	chmod 555 fd
	chmod 666 fd/*
	;;

bwtwo*)
	mknod bwtwo$unit	c 27 $unit; chmod 666 bwtwo$unit
	;;

cgthree*)
	mknod cgthree$unit	c 55 $unit; chmod 666 cgthree$unit
	;;

cgfour*)
	mknod cgfour$unit	c 39 $unit; chmod 666 cgfour$unit
	;;

cgsix*)
	mknod cgsix$unit	c 67 $unit; chmod 666 cgsix$unit
	;;

cgeight*)
	mknod cgeight$unit	c 64 $unit; chmod 666 cgeight$unit
	;;

audio)
	mknod audio		c 69 0; chmod 666 audio
	;;

openprom)
	mknod openprom		c 70 0; chmod 600 openprom
	;;

bpf*)
	rm -f bpf$unit
	mknod bpf$unit c 105 $unit
	chmod 600 bpf$unit
	chown root.wheel bpf$unit
	;;

ipl)
	rm -f ipl
	mknod ipl c 59 0
	chown root.wheel ipl
	;;

tun*)
	rm -f tun$unit
	mknod tun$unit c 111 $unit
	chmod 600 tun$unit
	chown root.wheel tun$unit
	;;

fd*)
	umask 2 ; unit=`expr $i : 'fd.*\(.\)$'`
	typnam=`expr $i : 'fd\(.\).*'`
	case $typnam in
	0|1)		typnam=; typnum=0;;	# no type specified, assume A
	A)		typnam=; typnum=0;;
	B)		typnum=1;;
	C)		typnum=2;;
	D)		typnum=3;;
	E)		typnum=4;;
	F)		typnum=5;;
	G)		typnum=6;;
	H)		typnum=7;;
	*)		echo bad type $typnam for $i; exit 1;;
	esac
	case $unit in
	0|1)	blk=16; chr=54;;
	*)	echo bad unit $unit for $i; exit 1;;
	esac
	nam=fd${typnam}$unit
	rm -f ${nam}? r${nam}?
	basenum=`expr $unit '*' 128 + $typnum '*' 16`
	mknod ${nam}a	b $blk `expr $basenum + 0`
	mknod ${nam}b	b $blk `expr $basenum + 1`
	mknod ${nam}c	b $blk `expr $basenum + 2`
	#mknod ${nam}d	b $blk `expr $basenum + 3`
	#mknod ${nam}e	b $blk `expr $basenum + 4`
	#mknod ${nam}f	b $blk `expr $basenum + 5`
	#mknod ${nam}g	b $blk `expr $basenum + 6`
	#mknod ${nam}h	b $blk `expr $basenum + 7`
	#mknod ${nam}i	b $blk `expr $basenum + 8`
	#mknod ${nam}j	b $blk `expr $basenum + 9`
	#mknod ${nam}k	b $blk `expr $basenum + 10`
	#mknod ${nam}l	b $blk `expr $basenum + 11`
	#mknod ${nam}m	b $blk `expr $basenum + 12`
	#mknod ${nam}n	b $blk `expr $basenum + 13`
	#mknod ${nam}o	b $blk `expr $basenum + 14`
	#mknod ${nam}p	b $blk `expr $basenum + 15`
	mknod r${nam}a	c $chr `expr $basenum + 0`
	mknod r${nam}b	c $chr `expr $basenum + 1`
	mknod r${nam}c	c $chr `expr $basenum + 2`
	#mknod r${nam}d	c $chr `expr $basenum + 3`
	#mknod r${nam}e	c $chr `expr $basenum + 4`
	#mknod r${nam}f	c $chr `expr $basenum + 5`
	#mknod r${nam}g	c $chr `expr $basenum + 6`
	#mknod r${nam}h	c $chr `expr $basenum + 7`
	#mknod r${nam}i	c $chr `expr $basenum + 8`
	#mknod r${nam}j	c $chr `expr $basenum + 9`
	#mknod r${nam}k	c $chr `expr $basenum + 10`
	#mknod r${nam}l	c $chr `expr $basenum + 11`
	#mknod r${nam}m	c $chr `expr $basenum + 12`
	#mknod r${nam}n	c $chr `expr $basenum + 13`
	#mknod r${nam}o	c $chr `expr $basenum + 14`
	#mknod r${nam}p	c $chr `expr $basenum + 15`
	chown root.operator ${nam}[a-p] r${nam}[a-p]
	chmod 640 ${nam}[a-p] r${nam}[a-p]
	umask 77
	;;

ccd*|sd*|xd*|xy*|cd*)
	umask 2
	unit=`unt $i`
	if [ 0$unit -gt 15 ]
	then
		echo bad disk unit: $i - $unit
		exit 127
	fi
	case $i in
	ccd*) name=ccd; blk=9; chr=23;;
	sd*) name=sd; blk=7; chr=17;;
	xd*) name=xd; blk=10; chr=42;;
	xy*) name=xy; blk=3; chr=9;;
	cd*)  name=cd; blk=18; chr=58;;
	*) echo bad unit for disk in: $i;;
	esac
	if [ "$unit" = "" ]
	then
		n=0
		while [ $n -lt 32 ]
		do
			sh ${this} $name$n
			n=`add $n 1`
		done
	fi
	rm -f $name$unit? r$name$unit?
	minor=`mult $unit 16`
	for slice in a b c d e f g h i j k l m n o p
	do
		dev=$name$unit$slice
		mknod $dev b $blk $minor
		mknod r$dev c $chr $minor
		minor=`add $minor 1`
	done
	chown root.operator $name$unit? r$name$unit?
	chmod 640 $name$unit? r$name$unit?
	umask 77
	;;

vnd*)
	umask 2
	unit=`unt $i`
	if [ 0$unit -gt 15 ]
	then
		echo bad disk unit: $i - $unit
		exit 127
	fi
	blk=8; chr=110;
	for name in vnd svnd; do
		case $name in
		vnd) off=0;;
		svnd) off=128;;
		esac
		if [ "$unit" = "" ]
		then
			n=0
			while [ $n -lt 32 ]
			do
				sh ${this} $name$n
				n=`add $n 1`
			done
		fi
		rm -f $name$unit? r$name$unit?
		minor=`mult $unit 16`
		minor=`add $minor $off`
		for slice in a b c d e f g h i j k l m n o p
		do
			dev=$name$unit$slice
			mknod $dev b $blk $minor
			mknod r$dev c $chr $minor
			minor=`add $minor 1`
		done
		chown root.operator $name$unit? r$name$unit?
		chmod 640 $name$unit? r$name$unit?
	done
	umask 77
	;;

rd*)
	umask 2 ; unit=`expr $i : '.*d\(.*\)'`
	mknod rd${unit}a b 17 `expr $unit '*' 16 + 0`
	mknod rd${unit}c b 17 `expr $unit '*' 16 + 2`
	mknod rrd${unit}a c 106 `expr $unit '*' 16 + 0`
	mknod rrd${unit}c c 106 `expr $unit '*' 16 + 2`
	chown root.operator rd${unit}[ac] rrd${unit}[ac]
	chmod 640 rd${unit}[ac] rrd${unit}[ac]
	umask 77
	;;
st*)
	umask 2
	case $i in
	st*) name=st; blk=11; chr=18;;
	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 
	sixt=`mult $unit 16`
	mknod $name$unit	b $blk `add $sixt 0`
	mknod n$name$unit	b $blk `add $sixt 1`
	mknod e$name$unit	b $blk `add $sixt 2`
	mknod en$name$unit	b $blk `add $sixt 3`
	mknod r$name$unit	c $chr `add $sixt 0`
	mknod nr$name$unit	c $chr `add $sixt 1`
	mknod er$name$unit	c $chr `add $sixt 2`
	mknod enr$name$unit	c $chr `add $sixt 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 640 $name$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
	case $i in
	ch*) name=ch;  chr=19;;
	esac
	rm -f $name$unit
	sixt=`mult $unit 16`
	mknod $name$unit	c $chr `add $sixt 0`
	chown root.operator $name$unit
	chmod 640 $name$unit
	umask 77
	;;

lkm)
	rm -f lkm
	mknod lkm c 112 0
	chown root.kmem lkm
	chmod 640 lkm
	;;

pty*)
	case $unit in
	0) offset=0 name=p;;
	1) offset=16 name=q;;
	2) offset=32 name=r;;
	3) offset=48 name=s;;
# Note that telnetd, rlogind, and xterm (at least) only look at p-s.
	4) offset=64 name=t;;
	*) echo bad unit for pty in: $i;;
	esac
	case $unit in
	0|1|2|3|4)
		umask 0
		n=0
		while [ $n -lt 16 ]
                do
                        nam=$name`hex $n`
                        rm -rf {tty,pty}$n
                        mknod tty$nam c 20 `add $offset $n`
                        mknod pty$nam c 21 `add $offset $n`
                        n=`add $n 1`
                done
		umask 77
		;;
	esac
	;;

random|srandom|urandom|prandom|arandom)
	rm -f random urandom srandom prandom arandom
	mknod  random c 119 0
	mknod srandom c 119 1
	mknod urandom c 119 2
	mknod prandom c 119 3
	mknod arandom c 119 4
	chown root.wheel random srandom urandom prandom arandom
	chmod 644 random srandom urandom prandom arandom
	;;

uk*)
	unit=`trunc $i uk`
	rm -f uk$unit
	mknod uk$unit c 120 $unit
	chown root.operator uk$unit
	chmod 640 uk$unit
	;;

ss*)
	unit=`trunc $i ss`
	rm -f ss$unit
	mknod ss$unit c 121 $unit
	chown root.operator ss$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
	;;
*)
	echo $i: unknown device
	;;
esac
done