SoftEtherVPNをアップデートするやつ

vpn_updater.sh

#!/bin/bash

update() {
  local VPN_TYPE="$1"
  local PRODUCT_NAME="$2"
  local FORCE="$3"
  local INSTALL="$4"
  local VPN_DIR="/usr/local/${VPN_TYPE}"
  local VPN_BIN="${VPN_DIR}/${VPN_TYPE}"
  local VPN_CMD="${VPN_DIR}/vpncmd"

  local LOCAL_VERSION=$(: | ${VPN_CMD} | awk 'NR==3{print $2"-"$4}')

  local ADDRESS="http://jp.softether-download.com/files/softether/"

  local LATEST_BUILD=$(curl -s ${ADDRESS} | awk 'NR==3{l=split($0, arr, "<A[^>]*>"); print gensub(/(.+)-tree<\/A>.+/, "\\1", 1, arr[l-1])}')

  local LATEST_VERSION=$(echo ${LATEST_BUILD} | awk '{print gensub(/v([0-9]+\.[0-9]+-[0-9]+).+/, "\\1", 1)}')

  echo "Local  version : ${LOCAL_VERSION}"
  echo "Latest version : ${LATEST_VERSION}"

  if [ "${FORCE}" = "false" -a "${LOCAL_VERSION}" = "${LATEST_VERSION}" ]; then
    echo "Already up-to-date."
    exit 0
  fi

  echo "Latest version is available."
  echo "Retriving latest binary..."

  local BIN_ADDRESS="${ADDRESS}${LATEST_BUILD}-tree/Linux/${PRODUCT_NAME}/64bit_-_Intel_x64_or_AMD64/softether-${VPN_TYPE}-${LATEST_BUILD}-linux-x64-64bit.tar.gz"

  curl -s ${BIN_ADDRESS} | tar zxvf -
  cd ${VPN_TYPE}
  make
  # *** YOU MUST READ AND AGREE THE LICENSE AGREEMENT!!! ***
  # make i_read_and_agree_the_license_agreement
  [ "${INSTALL}" = "false" ] && rm lang.config 2> /dev/null
  cd ..

  sudo ${VPN_BIN} stop > /dev/null
  sudo cp -rf ${VPN_TYPE} $(dirname ${VPN_DIR})
  rm -rf ${VPN_TYPE}
}

usage() {
  echo "Usage: ./vpn_updater.sh TYPE [OPTION]"
  echo "TYPE:"
  echo "      -c | --client   Update VPN Client"
  echo "      -s | --server   Update VPN Server"
  echo "      -b | --bridge   Update VPN Bridge"
  echo "      -h | --help     Display this help"
  echo "OPTION:"
  echo "      -f | --force    Force   mode (update even if current version is latest)"
  echo "      -i | --install  Install mode (do not remove lang.config)"
  echo "EXAMPLE:"
  echo "./vpn_updater.sh -c   Update SoftEtherVPNClient"
}

case "$1" in
  "-c" | "--client" )
    VPN_TYPE="vpnclient"
    PRODUCT_NAME="SoftEther_VPN_Client"
    ;;
  "-s" | "--server" )
    VPN_TYPE="vpnserver"
    PRODUCT_NAME="SoftEther_VPN_Server"
    ;;
  "-b" | "--bridge" )
    VPN_TYPE="vpnbridge"
    PRODUCT_NAME="SoftEther_VPN_Bridge"
    ;;
  "-h" | "--help" | * )
    usage
    exit 0
esac

case "$2" in
  "-f" | "--force" )
    FORCE=true
    INSTALL=false
    ;;
  "-i" | "--install" )
    FORCE=false
    INSTALL=true
    ;;
  * )
    FORCE=false
    INSTALL=false
esac

update ${VPN_TYPE} ${PRODUCT_NAME} ${FORCE} ${INSTALL}