ZSH functions to start/stop OpenConnect

openconnect_vpn.zsh

#
# ZSH functions to start/stop OpenConnect VPN client
# 
# In my setup the VPN username is the same as $USER
#
export VPN_HOST=<your VPN host>

function vpn-up() {
  if [[ -z $VPN_HOST ]]
  then
    echo "Please set VPN_HOST env var"
    return
  fi
  echo "Starting the vpn ..."
  sudo openconnect --background --user=$USER  $VPN_HOST
}

function vpn-down() {
  sudo kill -2 `pgrep openconnect`
}