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- #! /bin/bash
- # TSO login script, which runs as a peer of x3270.
- # bash version
-
- set -x
- me=${0##*/}
-
- # Set up login parameters
- tcp_host=${1-ibmsys}
- dial_user=${2-VTAM}
- sna_host=${3-TSO}
- userid=${4-USERID}
- password=${5-PASSWORD}
-
- # Verbose flag for x3270if
- #v="-v"
-
- # Define some handly local functions.
-
- # x3270 interface function
- function xi
- {
- X3270OUTPUT=6 X3270INPUT=5 x3270if 5>$ip 6<$op $v "$@"
- }
-
- # Common x3270 Ascii function
- function ascii
- {
- xi 'Ascii('$1')'
- }
-
- # Common x3270 String function
- function string
- {
- xi 'String("'"$@"'")'
- }
-
- # x3270 cursor column
- function cursor_col
- {
- xi -s 10
- }
-
- # x3270 connection status
- function cstatus
- {
- xi -s 4
- }
-
- # Failure.
- function die
- {
- xi "Info(\"$me error: $@\")"
- xi "CloseScript(1)"
- exit 1
- }
-
- # Set up pipes for x3270 I/O
- ip=/tmp/ip.$$
- op=/tmp/op.$$
- rm -f $ip $op
- trap "rm -f $ip $op" EXIT
- trap "exit" INT QUIT HUP TERM
- mknod $ip p
- mknod $op p
-
- # Start x3270
- x3270 -script -model 2 <$ip >$op &
- xp=$!
- exec 5>$ip # hold the pipe open
- xi -s 0 >/dev/null || exit 1
-
- # Connect to host
- xi "Connect($tcp_host)" || die "Connection failed."
-
- # Make sure we're connected.
- xi Wait
- [ "$(cstatus)" = N ] && die "Not connected."
-
- # Get to a VM command screen
- xi Enter
-
- # Wait for VM's prompt
- while [ "$(ascii 1,0,5)" != "Enter" ]
- do sleep 2
- done
-
- # Dial out to VTAM
- string "DIAL $dial_user"
- xi Enter
- typeset -i sl=10+${#dial_user}
- typeset -i dl=5+${#dial_user}
- while [ "$(ascii 0,64,4)" != VTAM ]
- do s="$(ascii 8,0,$sl | sed 's/^ *//')"
- if [ "$s" != "DIALED TO $dial_user" -a "$s" != "" ]
- then if [ "$(ascii 7,0,$dl)" = "DIAL $dial_user" ]
- then die "Couldn't get to VTAM"
- fi
- fi
- sleep 2
- done
-
- # Get to the SNA host
- string "$sna_host $userid"
- xi Enter
-
- # Pass VTAM digestion message and initial blank TSO screen
- while [ "$(ascii 0,21,20)" = "USS COMMAND HAS BEEN" ]
- do sleep 2
- done
- while :
- do s="$(ascii 0,33,11 | sed 's/^ *//')"
- [ "$s" != "" ] && break
- sleep 2
- done
-
- # Now verify the "TSO/E LOGON" screen
- [ "$s" = "TSO/E LOGON" ] || die "Couldn't get to TSO logon screen"
-
- # Pump in the password
- string "$password"
- xi Enter
-
- # Now look for "LOGON IN PROGRESS"
- typeset -i nl=18+${#userid}
- [ "$(ascii 0,11,$nl)" = "$userid LOGON IN PROGRESS" ] || die "Couldn't log on"
-
- # Make sure TSO is waiting for a '***' enter
- [ "$(cursor_col)" -eq 5 ] || die "Don't understand logon screen"
-
- # Off to ISPF
- xi Enter
- xi 'CloseScript(0)'
-