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Filename :
config3270.sh
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#!/bin/sh # # config3270 -- Autoconfigure /dev/3270/* and /etc/inittab # # Usage: # config3270 # # Output: # /tmp/mkdev3270 # # Operation: # 1. Run this script # 2. Run the script it produces: /tmp/mkdev3270 # 3. Issue "telinit q" or reboot, as appropriate. # P=/proc/tty/driver/tty3270 ROOT= D=$ROOT/dev SUBD=3270 TTY=$SUBD/tty TUB=$SUBD/tub SCR=$ROOT/tmp/mkdev3270 SCRTMP=$SCR.a GETTYLINE=:2345:respawn:/sbin/mingetty INITTAB=$ROOT/etc/inittab NINITTAB=$ROOT/etc/NEWinittab OINITTAB=$ROOT/etc/OLDinittab ADDNOTE=\\"# Additional mingettys for the 3270/tty* driver, tub3270 ---\\" if ! ls $P > /dev/null 2>&1; then modprobe tub3270 > /dev/null 2>&1 fi ls $P > /dev/null 2>&1 || exit 1 # Initialize two files, one for /dev/3270 commands and one # to replace the /etc/inittab file (old one saved in OLDinittab) echo "#!/bin/sh" > $SCR || exit 1 echo " " >> $SCR echo "# Script built by /sbin/config3270" >> $SCR if [ ! -d /dev/dasd ]; then echo rm -rf "$D/$SUBD/*" >> $SCR fi echo "grep -v $TTY $INITTAB > $NINITTAB" > $SCRTMP || exit 1 echo "echo $ADDNOTE >> $NINITTAB" >> $SCRTMP if [ ! -d /dev/dasd ]; then echo mkdir -p $D/$SUBD >> $SCR fi # Now query the tub3270 driver for 3270 device information # and add appropriate mknod and mingetty lines to our files echo what=config > $P while read devno maj min;do if [ $min = 0 ]; then fsmaj=$maj if [ ! -d /dev/dasd ]; then echo mknod $D/$TUB c $fsmaj 0 >> $SCR echo chmod 666 $D/$TUB >> $SCR fi elif [ $maj = CONSOLE ]; then if [ ! -d /dev/dasd ]; then echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR fi else if [ ! -d /dev/dasd ]; then echo mknod $D/$TTY$devno c $maj $min >>$SCR echo mknod $D/$TUB$devno c $fsmaj $min >> $SCR fi echo "echo t$min$GETTYLINE $TTY$devno >> $NINITTAB" >> $SCRTMP fi done < $P echo mv $INITTAB $OINITTAB >> $SCRTMP || exit 1 echo mv $NINITTAB $INITTAB >> $SCRTMP cat $SCRTMP >> $SCR rm $SCRTMP exit 0