#!/bin/sh -
#	$OpenBSD: MAKEDEV,v 1.33 2001/02/15 01:41:49 todd 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:
#	all	makes all known devices, including local devices.
#		Tries to make the ``standard'' number of each type.
#	std	standard devices
#	local	configuration specific devices
#
# Tapes:
#	st*	SCSI tapes
#
# Disks:
#	sd*	SCSI disks
#	cd*	SCSI cdrom drives
#	xy*	Xylogic 450/451 disks
#	rd*	"ramdisk" pseudo-disks
#	xd*	Xylogic 753/7053 disks
#	vnd*	"file" pseudo-disks
#	ccd*	concatenated disk devices
#
# Pseudo terminals:
#	pty*	set of 16 master and slave pseudo terminals
#
# Printers:
#
# Terminal ports:
#	tty[a-b]	onboard zs serial ports
#
# Special purpose devices:
#	uk*	SCSI Unknown device
#	ss*	SCSI scanners
#	bwtwo*	
#	cgtwo*	
#	cgfour*	
#	bpf*	Berkeley Packet Filter
#	tun*	network tunnel driver
#	*random	inkernal random data source
#	xfs*	XFS filesystem devices
#	ipl 	IP filter log

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

if ! [ "$os" ]; then
	os=OpenBSD
fi

# SunOS shell support functions
if [ "$os" = "SunOS" ]
then
PATH=$PATH:/usr/etc # SunOS has chown is /usr/etc
	add ()
	{
		expr $1 + $2
	}
	mult ()
	{
		expr $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 ()
	{
		expr $1 : $2'\(.*\)'
	}
	unt ()
	{
		expr $1 : '[a-z]*\([0-9]*\)[a-p]*'
	}
fi
# OpenBSD shell support functions
if [ "$os" = "OpenBSD" ]
then
	add ()	
	{
		tmp=0
		while [ "$1" ]
		do
			tmp=$(( $1 + $tmp ))
			shift
		done
		echo $tmp
	}
	mult ()
	{
		echo "$(( $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="$1"
		tmp="${arg1#[a-z]*}"
		while [ "$tmp" != "$arg1" ]
		do
			arg1=$tmp
			tmp="${arg1#[a-z]*}"
		done
		tmp="${arg1%*[a-z]}"
		while [ "$tmp" != "$arg1" ]
		do
			arg1=$tmp
			tmp="${arg1%*[a-z]}"
		done
		echo $arg1
	}
fi

for i
do

unit=`unt $i`
[ "$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 uk0 uk1
	sh $this ss0 ss1
	sh $this pty0 vnd0 vnd1 vnd2 vnd3 tun0 tun1 tun2 tun3
	sh $this ccd0 ccd1 ccd2 ccd3
	sh $this bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7 bpf8 bpf9
	sh $this ipl
	sh $this bwtwo0 cgtwo0 cgfour0
	sh $this random local
	sh $this xfs0
	;;

ramdisk)
	sh $this std random
	sh $this sd0 sd1 sd2 sd3 sd4 rd0 cd0 st0 st1
#	sh $this xd0 xd1 xd2 xd3 xy0 xy1 xy2 xy3
	sh $this bpf0
	;;

std)
	rm -f console drum mem kmem xf86 null zero io tty klog stdin stdout stderr ksyms
	rm -f eeprom kd ttya ttyb fb mouse kbd leds
	rm -f vme16d16 vme24d16 vme32d16 vme16d32 vme24d32 vme32d32 vme16 vme24 vme32
	mknod console		c 0 0
	mknod kd		c 1 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 vme16d16		c 3 5	; chmod 600 vme16d16
	ln -s vme16d16 vme16
	mknod vme24d16		c 3 6	; chmod 600 vme24d16
	ln -s vme24d16 vme24
	mknod vme32d16		c 3 7	; chmod 600 vme32d16
	mknod vme16d32		c 3 8	; chmod 600 vme16d32
	mknod vme24d32		c 3 9	; chmod 600 vme24d32
	mknod vme32d32		c 3 10	; chmod 600 vme32d32
	ln -s vme32d32 vme32
	mknod zero		c 3 12	; chmod 666 zero
	mknod eeprom		c 3 11	; chmod 640 eeprom ; chown root.kmem eeprom
	mknod leds		c 3 13	; chmod 644 leds
	mknod drum		c 7 0	; chmod 640 drum ; chown root.kmem drum
	mknod klog		c 16 0	; chmod 600 klog
	mknod stdin		c 23 0	; chmod 666 stdin
	mknod stdout		c 23 1	; chmod 666 stdout
	mknod stderr		c 23 2	; chmod 666 stderr
	sh $this ttya ttyb
	mknod fb		c 22 0	; chmod 666 fb
	mknod mouse		c 13 0	; chmod 666 mouse
	mknod kbd		c 29 0	; chmod 666 kbd
	mknod ksyms		c 37 0	; chmod 640 ksyms ; chown root.kmem ksyms
	;;

fd)
	rm -f fd/*
	mkdir fd > /dev/null 2>&1
	n=0
	(cd fd && while [ $n -lt 64 ]; do mknod $n c 23 $n; n=`add $n 1`; done )
	chown -R root.wheel fd
	chmod 555 fd
	chmod 666 fd/*
	;;

bwtwo*)
	rm -f bwtwo$unit
	mknod bwtwo$unit	c 27 $unit; chmod 666 bwtwo$unit
	;;

cgtwo*)
	rm -f cgtwo$unit
	mknod cgtwo$unit	c 31 $unit; chmod 666 cgtwo$unit
	;;

cgfour[0-9]*)
	rm -f cgfour$unit
	mknod cgfour$unit	c 39 $unit; chmod 666 cgfour$unit
	;;

xfs*)
	rm -f xfs$unit
	mknod xfs$unit c 51 $unit 
	chmod 600 xfs$unit 
	chown root.wheel xfs$unit
	;;

bpf*)
	rm -f bpf$unit
	mknod bpf$unit c 36 $unit
	chmod 600 bpf$unit
	chown root.wheel bpf$unit
	;;

ipl)
	rm -f ipl ipnat ipstate ipauth
	mknod ipl c 75 0
	mknod ipnat c 75 1
	mknod ipstate c 75 2
	mknod ipauth c 75 3
	chown root.wheel ipl ipnat ipstate ipauth
	;;

tun*)
	rm -f tun$unit
	mknod tun$unit c 24 $unit
	chmod 600 tun$unit
	chown root.wheel tun$unit
	;;

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=33;;
	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=5; chr=19;
	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\(.*\)'`
	rm -f rd${unit}* rrd${unit}*
	mknod rd${unit}a b 13 `expr $unit '*' 16 + 0`
	mknod rd${unit}c b 13 `expr $unit '*' 16 + 2`
	mknod rrd${unit}a c 52 `expr $unit '*' 16 + 0`
	mknod rrd${unit}c c 52 `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 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
	;;

tty[a-z])
	unit=`expr $i : 'tty\([a-z]\)'`
	rm -f tty$unit
	case $unit in
	a) n=0 ;;
	b) n=1 ;;
	*) echo unknown tty device $i ;;
	esac
	mknod tty$unit c 12 $n
	chown uucp.dialer tty$unit
	chmod 660 tty$unit
	;;

pty*)
	case $unit 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 $unit in
	0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15)
		umask 0
		n=0
		while [ $n -lt 16 ]
                do
                        nam=$name`hex $n`
                        rm -f {tty,pty}$nam
                        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 72 0
	mknod srandom c 72 1
	mknod urandom c 72 2
	mknod prandom c 72 3
	mknod arandom c 72 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 98 $unit
	chown root.operator uk$unit
	chmod 640 uk$unit
	;;

ss*)
	unit=`trunc $i ss`
	rm -f ss$unit
	mknod ss$unit c 99 $unit
	chown root.operator ss$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