Pulse Secure Client Wrapper for Ubuntu (for Pulse-Secure-8.2R5) with simple usename/hostname cache

sslvpn.sh

#!/bin/bash

CLIENT=/usr/local/pulse/PulseClient.sh
CONFIG=~/.sslvpn.conf

function usage() {
    echo -e "Usage: `basename $0` <options>\noptions:"
    grep "^function" $0 | sed 's/function/  /g' | sed 's/[{()]//g'
}

function reset () {
    echo "" > $CONFIG
}

function connect () {
    if [ ! -f $CONFIG ]; then
        touch $CONFIG
    fi
    local host=$(grep host -A 1 $CONFIG | tail -1)
    local account=$(grep account -A 1 $CONFIG | tail -1)
    if [ -z $host ]; then
        read -p "Enter host: " host
        echo -e "[host]\n$host" >> $CONFIG
    fi
    if [ -z $account ]; then
        read -p "Enter account: " account
        echo -e "[account]\n$account" >> $CONFIG
    fi
    read -sp "Enter password: " password
    $CLIENT -u $account -p $password -h $host &
    polling
}

polling () {
    while [ 1 ]; do
        sleep 1
        clear
        $CLIENT -S
        if [ $? -eq 0 ]; then
            echo "Connected"
            break
        fi
    done
}

function status () {
    $CLIENT -S
}

function disconnect () {
    $CLIENT -K
    echo 'Disconnected'
}

if [ -z "$1" ]; then
    usage
else
    $*
fi