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Commit | Line | Data |
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1da177e4 LT |
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 | # | |
16 | P=/proc/tty/driver/tty3270 | |
17 | ROOT= | |
18 | D=$ROOT/dev | |
19 | SUBD=3270 | |
20 | TTY=$SUBD/tty | |
21 | TUB=$SUBD/tub | |
22 | SCR=$ROOT/tmp/mkdev3270 | |
23 | SCRTMP=$SCR.a | |
24 | GETTYLINE=:2345:respawn:/sbin/mingetty | |
25 | INITTAB=$ROOT/etc/inittab | |
26 | NINITTAB=$ROOT/etc/NEWinittab | |
27 | OINITTAB=$ROOT/etc/OLDinittab | |
28 | ADDNOTE=\\"# Additional mingettys for the 3270/tty* driver, tub3270 ---\\" | |
29 | ||
30 | if ! ls $P > /dev/null 2>&1; then | |
31 | modprobe tub3270 > /dev/null 2>&1 | |
32 | fi | |
33 | ls $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) | |
37 | echo "#!/bin/sh" > $SCR || exit 1 | |
38 | echo " " >> $SCR | |
39 | echo "# Script built by /sbin/config3270" >> $SCR | |
40 | if [ ! -d /dev/dasd ]; then | |
41 | echo rm -rf "$D/$SUBD/*" >> $SCR | |
42 | fi | |
43 | echo "grep -v $TTY $INITTAB > $NINITTAB" > $SCRTMP || exit 1 | |
44 | echo "echo $ADDNOTE >> $NINITTAB" >> $SCRTMP | |
45 | if [ ! -d /dev/dasd ]; then | |
46 | echo mkdir -p $D/$SUBD >> $SCR | |
47 | fi | |
48 | ||
49 | # Now query the tub3270 driver for 3270 device information | |
50 | # and add appropriate mknod and mingetty lines to our files | |
51 | echo what=config > $P | |
52 | while 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 | |
70 | done < $P | |
71 | ||
72 | echo mv $INITTAB $OINITTAB >> $SCRTMP || exit 1 | |
73 | echo mv $NINITTAB $INITTAB >> $SCRTMP | |
74 | cat $SCRTMP >> $SCR | |
75 | rm $SCRTMP | |
76 | exit 0 |