commands/scripts/MAKEDEV.sh

   1 #!/bin/sh
   2 #
   3 # MAKEDEV 3.3 - Make special devices.                   Author: Kees J. Bot
   4
   5 case $1 in
   6 -n)     e=echo; shift ;;        # Just echo when -n is given.
   7 *)      e=
   8 esac
   9
  10 case $#:$1 in
  11 1:std)          # Standard devices.
  12     set -$- mem fd0 fd1 fd0p0 fd1p0 \
  13         c0d0 c0d0p0 c0d0p0s0 c0d1 c0d1p0 c0d1p0s0 \
  14         c0d2 c0d2p0 c0d2p0s0 c0d3 c0d3p0 c0d3p0s0 \
  15         c0d4 c0d4p0 c0d4p0s0 c0d5 c0d5p0 c0d5p0s0 \
  16         c0d6 c0d6p0 c0d6p0s0 c0d7 c0d7p0 c0d7p0s0 \
  17         c1d0 c1d0p0 c1d0p0s0 c1d1 c1d1p0 c1d1p0s0 \
  18         c1d2 c1d2p0 c1d2p0s0 c1d3 c1d3p0 c1d3p0s0 \
  19         c1d4 c1d4p0 c1d4p0s0 c1d5 c1d5p0 c1d5p0s0 \
  20         c1d6 c1d6p0 c1d6p0s0 c1d7 c1d7p0 c1d7p0s0 \
  21         tty ttyc1 ttyc2 ttyc3 tty00 tty01 tty02 tty03 \
  22         ttyp0 ttyp1 ttyp2 ttyp3 ttyp4 ttyp5 ttyp6 ttyp7 ttyp8 ttyp9 \
  23         ttypa ttypb ttypc ttypd ttype ttypf \
  24         ttyq0 ttyq1 ttyq2 ttyq3 ttyq4 ttyq5 ttyq6 ttyq7 ttyq8 ttyq9 \
  25         ttyqa ttyqb ttyqc ttyqd ttyqe ttyqf \
  26         eth klog random filter
  27     ;;
  28 0:|1:-\?)
  29     cat >&2 <<EOF
  30 Usage:  $0 [-n] key ...
  31 Where key is one of the following:
  32   ram mem kmem null boot zero     # One of these makes all these memory devices
  33   fd0 fd1 ...             # Floppy devices for drive 0, 1, ...
  34   fd0p0 fd1p0 ...         # Make floppy partitions fd0p[0-3], fd1p[0-3], ...
  35   c0d0 c0d1 ...           # Make disks c0d0, c0d1, ...
  36   c0d0p0 c0d1p0 ...       # Make partitions c0d0p[0-3], c0d1p[0-3], ...
  37   c0d0p0s0 c0d1p0s0 ...   # Subparts c0d0p[0-3]s[0-3], c0d1p[0-3]s[0-3], ...
  38   c1d0(p0)(s0)            # Likewise for controller 1
  39   c0t0 c0t1 c1t0 ...      # Make tape devices c0t0, c0t0n, c0t1, ...
  40   console lp tty log      # One of these makes all four
  41   ttyc1 ... ttyc7         # Virtual consoles
  42   tty00 ... tty03         # Make serial lines
  43   ttyp0 ... ttyq0 ...     # Make tty, pty pairs
  44   eth ip tcp udp          # One of these makes some TCP/IP devices
  45   audio mixer             # Make audio devices
  46   klog                    # Make /dev/klog
  47   random                  # Make /dev/random, /dev/urandom
  48   kbd                     # Make /dev/kbd
  49   kbdaux                  # Make /dev/kbdaux
  50   filter                  # Make /dev/filter
  51   video                   # Make /dev/video
  52   std                     # All standard devices
  53 EOF
  54     exit 1
  55 esac
  56
  57 umask 077
  58 ex=0
  59
  60 for dev
  61 do
  62     case $dev in        # One of the controllers?  Precompute major device nr.
  63     c0*) maj=3  ;;
  64     c1*) maj=8  ;;
  65     c2*) maj=10 ;;
  66     c3*) maj=12 ;;
  67     esac
  68
  69     case $dev in
  70     ram|mem|kmem|null|boot|zero|imgrd)
  71         # Memory devices.
  72         #
  73         $e mknod ram b 1 0;     $e chmod 600 ram
  74         $e mknod mem c 1 1;     $e chmod 640 mem
  75         $e mknod kmem c 1 2;    $e chmod 640 kmem
  76         $e mknod null c 1 3;    $e chmod 666 null
  77         $e mknod boot b 1 4;    $e chmod 600 ram
  78         $e mknod zero c 1 5;    $e chmod 644 zero
  79         $e mknod imgrd b 1 6;   $e chmod 644 zero
  80         for n in 0 1 2 3 4 5
  81         do      $e mknod ram$n b 1 $((7+$n));   $e chmod 600 ram$n
  82         done
  83         $e chgrp kmem ram* mem kmem null boot zero imgrd
  84         ;;
  85     fd[0-3])
  86         # Floppy disk drive n.
  87         #
  88         d=`expr $dev : '.*\\(.\\)'`     # Drive number.
  89         $e mknod $dev  b 2 $d
  90         $e chmod 666 $dev
  91         ;;
  92     pc[0-3]|at[0-3]|qd[0-3]|ps[0-3]|pat[0-3]|qh[0-3]|PS[0-3])
  93         # Obsolete density locked floppy disk drive n.
  94         #
  95         d=`expr $dev : '.*\\(.\\)'`     # Drive number.
  96         m=$d                            # Minor device number.
  97
  98         $e mknod pc$d  b 2 $m;  m=`expr $m + 4`
  99         $e mknod at$d  b 2 $m;  m=`expr $m + 4`
 100         $e mknod qd$d  b 2 $m;  m=`expr $m + 4`
 101         $e mknod ps$d  b 2 $m;  m=`expr $m + 4`
 102         $e mknod pat$d b 2 $m;  m=`expr $m + 4`
 103         $e mknod qh$d  b 2 $m;  m=`expr $m + 4`
 104         $e mknod PS$d  b 2 $m;  m=`expr $m + 4`
 105
 106         $e chmod 666 pc$d at$d qd$d ps$d pat$d qh$d PS$d
 107         ;;
 108     fd[0-3]p[0-3])
 109         # Floppy disk partitions.
 110         #
 111         n=`expr $dev : '\\(.*\\)..'`    # Name prefix.
 112         d=`expr $dev : '..\\(.\\)'`     # Drive number.
 113         m=`expr 112 + $d`               # Minor of partition 0.
 114         alldev=
 115
 116         for p in 0 1 2 3
 117         do
 118             m=`expr 112 + $d + $p '*' 4` # Minor of partition $p.
 119             $e mknod ${n}p${p} b 2 $m   # Make e.g. fd0p0 - fd0p3
 120             alldev="$alldev ${n}p${p}"
 121         done
 122         $e chmod 666 $alldev
 123         ;;
 124     c[0-3]d[0-7])
 125         # Whole disk devices.
 126         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 127         m=`expr $d '*' 5`               # Minor device number.
 128         $e mknod $dev b $maj $m
 129         $e chmod 600 $dev
 130         ;;
 131     c[0-3]d[0-7]p[0-3])
 132         # Disk primary partitions.
 133         n=`expr $dev : '\\(.*\\).'`     # Name prefix.
 134         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 135         alldev=
 136
 137         for p in 0 1 2 3
 138         do
 139             m=`expr $d '*' 5 + 1 + $p`  # Minor device number.
 140             $e mknod $n$p b $maj $m
 141             alldev="$alldev $n$p"
 142         done
 143         echo $alldev | xargs $e chmod 600
 144         ;;
 145     c[0-3]d[0-7]p[0-3]s[0-3])
 146         # Disk subpartition.
 147         n=`expr $dev : '\\(.*\\)...'`   # Name prefix.
 148         d=`expr $dev : '...\\(.\\)'`    # Disk number.
 149         alldev=
 150
 151         for p in 0 1 2 3
 152         do
 153             for s in 0 1 2 3
 154             do
 155                 m=`expr 128 + $d '*' 16 + $p '*' 4 + $s`  # Minor device nr.
 156                 $e mknod ${n}${p}s${s} b $maj $m
 157                 alldev="$alldev ${n}${p}s${s}"
 158             done
 159         done
 160         echo $alldev | xargs $e chmod 600
 161         ;;
 162     c[0-3]t[0-7]|c[0-3]t[0-7]n)
 163         # Tape devices.
 164         n=`expr $dev : '\\(....\\)'`    # Name prefix.
 165         t=`expr $dev : '...\\(.\\)'`    # Tape number.
 166         m=`expr 64 + $t '*' 2`          # Minor device number.
 167         $e mknod ${n}n c $maj $m
 168         $e mknod ${n} c $maj `expr $m + 1`
 169         $e chmod 660 ${n}n ${n}
 170         ;;
 171     console|lp|tty|log|kbd|kbdaux|video)
 172         # Console, line printer, anonymous tty, diagnostics device,
 173         # raw keyboard, ps/2 mouse, video.
 174         $e mknod console c 4 0
 175         $e chmod 600 console
 176         $e chgrp tty console
 177         $e mknod tty c 5 0
 178         $e chmod 666 tty
 179         $e mknod lp c 6 0
 180         $e chown daemon lp
 181         $e chgrp daemon lp
 182         $e chmod 200 lp
 183         $e mknod log c 4 15
 184         $e chmod 222 log
 185         $e mknod kbd c 4 127
 186         $e mknod kbdaux c 4 126
 187         $e chmod 660 kbd kbdaux
 188         $e chgrp operator kbd kbdaux
 189         $e mknod video c 4 125
 190         $e chmod 600 video
 191         $e chgrp operator video
 192         ;;
 193     ttyc[1-7])
 194         # Virtual consoles.
 195         #
 196         m=`expr $dev : '....\\(.*\\)'`  # Minor device number.
 197         $e mknod $dev c 4 $m
 198         $e chgrp tty $dev
 199         $e chmod 600 $dev
 200         ;;
 201     tty0[0-3])
 202         # Serial lines.
 203         #
 204         n=`expr $dev : '.*\\(.\\)'`
 205         $e mknod $dev c 4 `expr $n + 16`
 206         $e chmod 666 $dev
 207         $e chgrp tty $dev
 208         ;;
 209     tty[p-s][0-9a-f]|pty[p-s][0-9a-f])
 210         # Pseudo ttys.
 211         #
 212         dev=`expr $dev : '...\\(..\\)'`
 213         g=`expr $dev : '\\(.\\)'`       # Which group.
 214         g=`echo $g | tr 'pqrs' '0123'`
 215         n=`expr $dev : '.\\(.\\)'`      # Which pty in the group.
 216         case $n in
 217         [a-f])  n=1`/bin/echo $n | tr 'abcdef' '012345'`
 218         esac
 219
 220         $e mknod tty$dev c 4 `expr $g '*' 16 + $n + 128`
 221         $e mknod pty$dev c 4 `expr $g '*' 16 + $n + 192`
 222         $e chgrp tty tty$dev pty$dev
 223         $e chmod 666 tty$dev pty$dev
 224         ;;
 225     eth|ip|tcp|udp|eth0|ip0|tcp0|udp0)
 226         # TCP/IP devices.
 227         #
 228         $e mknod eth0 c 7 0             # Network 0 (Ethernet)
 229         $e mknod ip0 c 7 1
 230         $e mknod tcp0 c 7 2
 231         $e mknod udp0 c 7 3
 232         $e chmod 600 eth0 ip0
 233         $e chmod 666 tcp0 udp0
 234         $e ln -f eth0 eth               # Default interface
 235         $e ln -f ip0 ip
 236         $e ln -f tcp0 tcp
 237         $e ln -f udp0 udp
 238         ;;
 239     audio|mixer)
 240         # Audio devices.
 241         #
 242    $e mknod audio c 13 0
 243    $e mknod mixer c 13 1
 244    $e chmod 666 audio mixer
 245         ;;
 246     random|urandom)
 247         # random data generator.
 248         $e mknod random c 16 0; $e chmod 644 random
 249         $e mknod urandom c 16 0; $e chmod 644 urandom
 250         $e chgrp operator random urandom
 251         ;;
 252     klog)
 253         # logging device.
 254         $e mknod klog c 15 0
 255         $e chmod 600 klog
 256         ;;
 257     filter)
 258         # filter driver
 259         $e mknod filter b 11 0
 260         $e chmod 644 filter
 261         ;;
 262     *)
 263         echo "$0: don't know about $dev" >&2
 264         ex=1
 265     esac
 266 done
 267
 268 exit $ex