187 lines
3.5 KiB
Bash
187 lines
3.5 KiB
Bash
#!/bin/sh -
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# $NetBSD: MAKEDEV,v 1.7 2003/07/27 14:18:00 itojun Exp $
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#
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###########################################################################
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#
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# PLEASE RUN "cd ../share/man/man8 ; make makedevs"
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# AFTER CHANGING THIS FILE, AND COMMIT THE UPDATED MANPAGE!
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#
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###########################################################################
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#
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# Device "make" file. Valid arguments:
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# all makes all known devices, including local devices.
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# Tries to make the 'standard' number of each type.
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# init A set of devices that is used for MFS /dev by init.
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# May be equal to "all".
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# std standard devices
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#
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# Terminal ports:
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# tty* serial ports
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#
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# Pseudo terminals:
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# pty* set of 62 master and slave pseudo terminals
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#
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# Special purpose devices:
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# bpf* packet filter
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# clockctl clock control for non root users
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# fd file descriptors
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# lkm loadable kernel modules interface
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# random Random number generator, see rnd(4)
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# systrace syscall tracer
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# tun* network tunnel driver
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# pf PF packet filter
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#
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dialin=0
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dialout=524288
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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umask 77
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# Check if we have fdesc mounted
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if [ -d fd ]; then
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case "`df fd`" in
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*fdesc*) nofdesc=false;;
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*) nofdesc=true;;
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esac
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else
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nofdesc=true
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fi
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makedev()
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{
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for i
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do
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case $i in
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init|all)
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makedev std
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makedev tty0 tty1 pty0
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makedev bpf0 bpf1 bpf2 bpf3 bpf4 bpf5 bpf6 bpf7
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makedev lkm random
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makedev clockctl
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makedev local
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;;
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std)
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rm -f console drum mem kmem null zero klog
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mknod console c 0 0
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mknod drum c 3 0 ; chmod 640 drum ; chgrp kmem drum
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mknod kmem c 2 1 ; chmod 640 kmem ; chgrp kmem kmem
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mknod mem c 2 0 ; chmod 640 mem ; chgrp kmem mem
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mknod null c 2 2 ; chmod 666 null
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mknod zero c 2 12 ; chmod 666 zero
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mknod klog c 6 0 ; chmod 600 klog
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mknod ksyms c 25 0 ; chmod 444 ksyms
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if $nofdesc; then
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rm -f tty stdin stdout stderr
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mknod tty c 1 0 ; chmod 666 tty
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mknod stdin c 11 0 ; chmod 666 stdin
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mknod stdout c 11 1 ; chmod 666 stdout
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mknod stderr c 11 2 ; chmod 666 stderr
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fi
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;;
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bpf*|tun*)
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case $i in
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bpf*) name=bpf; unit=${i#bpf}; chr=12;;
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tun*) name=tun; unit=${i#tun}; chr=13;;
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esac
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rm -f $name$unit
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mknod $name$unit c $chr $unit
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;;
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pty*)
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class=${i#pty}
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name=`echo pqrstuvwxyzPQRST | dd bs=1 count=1 skip=$class 2>/dev/null`
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case $name in
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v) echo "$0: $i: pty unit conflicts with console ttyv0 device."
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continue ;;
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?) ;;
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*) echo "$0: $i: pty unit must be between 0 and 15"
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continue ;;
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esac
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rm -f tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
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jn=0
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while [ $jn -lt 62 ]
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do
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j=`echo 0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ | dd bs=1 count=1 skip=$jn 2>/dev/null`
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skip=0
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if [ $jn -ge 16 ]; then
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skip=$(($class * 30 + 256 - 16))
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fi
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unit=$(($class * 16 + $jn + $skip))
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mknod tty$name$j c 4 $unit
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mknod pty$name$j c 5 $unit
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jn=$(($jn + 1))
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done
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chmod 666 tty$name[0-9a-zA-Z] pty$name[0-9a-zA-Z]
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;;
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random)
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rm -f random urandom
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mknod random c 21 0
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mknod urandom c 21 1
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chmod 444 random
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chmod 644 urandom
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;;
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tty*)
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ounit=${i#???}
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ounit=$(($ounit + 0))
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if [ $ounit -lt 10 ]; then
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unit=0$ounit
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rm -f com$ounit
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else
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unit=$ounit
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fi
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rm -f tty$unit dty$unit
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mknod tty$unit c 10 $(($ounit + $dialin ))
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mknod dty$unit c 10 $(($ounit + $dialout))
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chown uucp tty$unit dty$unit
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;;
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pf)
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rm -f pf
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mknod pf c 26 0
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chmod 600 pf
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;;
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lkm)
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rm -f lkm
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mknod lkm c 14 0
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chgrp kmem lkm
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chmod 640 lkm
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;;
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clockctl)
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rm -f clockctl
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mknod clockctl c 22 0
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chgrp ntpd clockctl
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chmod 660 clockctl
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;;
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local)
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if [ -f "$0.local" ]; then
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umask 0
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sh $0.local all
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umask 77
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fi
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;;
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*)
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echo $i: unknown device
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;;
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esac
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done
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}
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makedev $*
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