Takes a password, generates the TOTP token and starts the OSX VPN

vpn.sh

#!/bin/sh

## Dependencies: $ brew install oath-toolkit


function connect {
    service="$1"
    password='123456'
    secret=$(cat $HOME/.google_authenticator)
    totp=$(oathtool --base32 --totp $secret)
    
    ## Attempt 1
    # scutil --nc start "$service" --user "$account" --password "$password" --secret "$secret"

    ## Attempt 2
    /usr/bin/env osascript <<EOF
    tell application "System Events"
        set CurrentClipboard to the clipboard as string
        set the clipboard to "$password$totp"
        tell current location of network preferences
            set VPN to service "$service"
            if exists VPN then connect VPN
            delay 5
            tell application id "com.apple.systemevents"
                keystroke "v" using {command down}
                delay 1
                keystroke (key code 36)
            end tell
            repeat while (current configuration of VPN is not connected)
                delay 1
            end repeat
        end tell
    end tell
EOF

    ## Attemp 3
    # pbcopy <<< $password$totp
    #networksetup -connectpppoeservice "$service"
}

function disconnect {
    service="$1"

    ## Attempt 1
    # scutil --nc stop "$service"

    ## Attempt 2
    /usr/bin/env osascript <<EOF
    tell application "System Events"
        tell current location of network preferences
            set VPN to service "$service"
            if exists VPN then disconnect VPN
        end tell
    end tell
EOF

    ## Attempt 3
    networksetup -disconnectpppoeservice "$service"
}

name="my VPN"
action=connect

if [ $1 ] ; then
    case $1 in
        "-c"|"--connect"   |"connect"   ) action=connect    ; shift ;;
        "-d"|"--disconnect"|"disconnect") action=disconnect ; shift ;;
        "-n"|"--name"      |"name"      ) name="$2"         ; shift ; shift ;;
        *) echo "Usage: vpn [--connect|--disconnect|--name NAME]"
    esac
fi

$action "$name"