GlobalProtect UniTO VPN Wrapper

README.md

Bash wrapper to connect to unito VPN

See this blog post

unitovpn.sh

# Connect to the new UniTO Vpn with SSO
unitovpn() {
    PORTAL=vpn.unito.it
    case $1 in
        -h|--help)
            echo "Use 'connect' or 'c' to connect and 'disconnect' or 'd' to disconnect. Easy"
            ;;

        connect|c)
            if [ -e /var/run/gpclient.lock ]; then
                echo "Already connected, aborting (file /var/run/gpclient/lock exists)."
                exit 0
            fi

            echo "Starting gpclient to connect to UniTO VPN..."
            nohup sudo -b -E gpclient --fix-openssl connect --browser default ${PORTAL} > /dev/null 2>&1

            # Now we wait for a while until the lockfile is created, which happens at the end
            # of the login process, when the client actually connects to the VPN.
            t=0
            # The timeout threshold is 60/(sleep amount)!
            until [ -e /var/run/gpclient.lock ] || (( t++ > 120 )); do
                sleep 0.5
            done
            # Black magic bash syntax for an in-line IF. Don't ask.
            [ -e /var/run/gpclient.lock ] && echo "Connected!" || echo "Error or Timed out waiting for connection."
            ;;

        disconnect|d)
            if [ ! -e /var/run/gpclient.lock ]; then
                echo "No connection detected. Run 'connect' before ending the connection (file /var/run/gpclient/lock does not exist)."
                exit 0
            fi
            GPCLIENTPID="$(cat /var/run/gpclient.lock)"
            echo "Killing gpclient by sending interrupt signal to PID ${GPCLIENTPID}"
            sudo kill ${GPCLIENTPID}

            # Now we wait for a while until the lockfile is deleted
            t=0
            until [ ! -e /var/run/gpclient.lock ] || (( t++ > 10 )); do
                sleep 0.5
            done
            # Black magic bash syntax for an in-line IF. Don't ask.
            [ ! -e /var/run/gpclient.lock ] && echo "Disconnected!" || echo "Something went wrong - cannot disconnect. Original PID is ${GPCLIENTPID}"
            ;;

        *)
            echo "Unknown argument. Pass either 'connect' or 'disconnect'"
    esac
}