1#!/bin/sh 2# 3# config3270 -- Autoconfigure /dev/3270/* and /etc/inittab 4# 5# Usage: 6# config3270 7# 8# Output: 9# /tmp/mkdev3270 10# 11# Operation: 12# 1. Run this script 13# 2. Run the script it produces: /tmp/mkdev3270 14# 3. Issue "telinit q" or reboot, as appropriate. 15# 16P=/proc/tty/driver/tty3270 17ROOT= 18D=$ROOT/dev 19SUBD=3270 20TTY=$SUBD/tty 21TUB=$SUBD/tub 22SCR=$ROOT/tmp/mkdev3270 23SCRTMP=$SCR.a 24GETTYLINE=:2345:respawn:/sbin/mingetty 25INITTAB=$ROOT/etc/inittab 26NINITTAB=$ROOT/etc/NEWinittab 27OINITTAB=$ROOT/etc/OLDinittab 28ADDNOTE=\\"# Additional mingettys for the 3270/tty* driver, tub3270 ---\\" 29 30if ! ls $P > /dev/null 2>&1; then 31 modprobe tub3270 > /dev/null 2>&1 32fi 33ls $P > /dev/null 2>&1 || exit 1 34 35# Initialize two files, one for /dev/3270 commands and one 36# to replace the /etc/inittab file (old one saved in OLDinittab) 37echo "#!/bin/sh" > $SCR || exit 1 38echo " " >> $SCR 39echo "# Script built by /sbin/config3270" >> $SCR 40if [ ! -d /dev/dasd ]; then 41 echo rm -rf "$D/$SUBD/*" >> $SCR 42fi 43echo "grep -v $TTY $INITTAB > $NINITTAB" > $SCRTMP || exit 1 44echo "echo $ADDNOTE >> $NINITTAB" >> $SCRTMP 45if [ ! -d /dev/dasd ]; then 46 echo mkdir -p $D/$SUBD >> $SCR 47fi 48 49# Now query the tub3270 driver for 3270 device information 50# and add appropriate mknod and mingetty lines to our files 51echo what=config > $P 52while read devno maj min;do 53 if [ $min = 0 ]; then 54 fsmaj=$maj 55 if [ ! -d /dev/dasd ]; then 56 echo mknod $D/$TUB c $fsmaj 0 >> $SCR 57 echo chmod 666 $D/$TUB >> $SCR 58 fi 59 elif [ $maj = CONSOLE ]; then 60 if [ ! -d /dev/dasd ]; then 61 echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR 62 fi 63 else 64 if [ ! -d /dev/dasd ]; then 65 echo mknod $D/$TTY$devno c $maj $min >>$SCR 66 echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR 67 fi 68 echo "echo t$min$GETTYLINE $TTY$devno >> $NINITTAB" >> $SCRTMP 69 fi 70done < $P 71 72echo mv $INITTAB $OINITTAB >> $SCRTMP || exit 1 73echo mv $NINITTAB $INITTAB >> $SCRTMP 74cat $SCRTMP >> $SCR 75rm $SCRTMP 76exit 0 77