77 lines · bash
1#!/bin/sh2#3# config3270 -- Autoconfigure /dev/3270/* and /etc/inittab4#5# Usage:6# config32707#8# Output:9# /tmp/mkdev327010#11# Operation:12# 1. Run this script13# 2. Run the script it produces: /tmp/mkdev327014# 3. Issue "telinit q" or reboot, as appropriate.15#16P=/proc/tty/driver/tty327017ROOT=18D=$ROOT/dev19SUBD=327020TTY=$SUBD/tty21TUB=$SUBD/tub22SCR=$ROOT/tmp/mkdev327023SCRTMP=$SCR.a24GETTYLINE=:2345:respawn:/sbin/mingetty25INITTAB=$ROOT/etc/inittab26NINITTAB=$ROOT/etc/NEWinittab27OINITTAB=$ROOT/etc/OLDinittab28ADDNOTE=\\"# Additional mingettys for the 3270/tty* driver, tub3270 ---\\"29 30if ! ls $P > /dev/null 2>&1; then31 modprobe tub3270 > /dev/null 2>&132fi33ls $P > /dev/null 2>&1 || exit 134 35# Initialize two files, one for /dev/3270 commands and one36# to replace the /etc/inittab file (old one saved in OLDinittab)37echo "#!/bin/sh" > $SCR || exit 138echo " " >> $SCR39echo "# Script built by /sbin/config3270" >> $SCR40if [ ! -d /dev/dasd ]; then41 echo rm -rf "$D/$SUBD/*" >> $SCR42fi43echo "grep -v $TTY $INITTAB > $NINITTAB" > $SCRTMP || exit 144echo "echo $ADDNOTE >> $NINITTAB" >> $SCRTMP45if [ ! -d /dev/dasd ]; then46 echo mkdir -p $D/$SUBD >> $SCR47fi48 49# Now query the tub3270 driver for 3270 device information50# and add appropriate mknod and mingetty lines to our files51echo what=config > $P52while read devno maj min;do53 if [ $min = 0 ]; then54 fsmaj=$maj55 if [ ! -d /dev/dasd ]; then56 echo mknod $D/$TUB c $fsmaj 0 >> $SCR57 echo chmod 666 $D/$TUB >> $SCR58 fi59 elif [ $maj = CONSOLE ]; then60 if [ ! -d /dev/dasd ]; then61 echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR62 fi63 else64 if [ ! -d /dev/dasd ]; then65 echo mknod $D/$TTY$devno c $maj $min >>$SCR66 echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR67 fi68 echo "echo t$min$GETTYLINE $TTY$devno >> $NINITTAB" >> $SCRTMP69 fi70done < $P71 72echo mv $INITTAB $OINITTAB >> $SCRTMP || exit 173echo mv $NINITTAB $INITTAB >> $SCRTMP74cat $SCRTMP >> $SCR75rm $SCRTMP76exit 077