source /etc/os-release

if [[ $ID =~ centos ]] || [[ $ID =~ fedora ]] || [[ $ID =~ rhel ]]

echo "centos 7 是被支持的，请继续安装..... "

else

echo "该系统不被支持。 "

exit 1

echo "移除旧的strongwan 和openvpn 软件包"

if [ -d /etc/strongswan ]

ps uax | grep strongswan | grep -v grep | awk '{print $2}' | xargs kill -9

yum -y remove strongswan

rm -rf /etc/strongswan

if [ -d /etc/openvpn ]

ps uax | grep openvpn | grep -v grep | awk '{print $2}' | xargs kill -9

yum -y remove openvpn

rm -rf /etc/openvpn

if [ -d /usr/local/flexgw ]

ps uax | grep flexgw | grep -v grep | awk '{print $2}' | xargs kill -9

yum -y remove flexgw

rm -rf /usr/local/flexgw

yum install -y epel-release

yum install -y strongswan openvpn

echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf

sysctl -p

wget -O /root/flexgw-1.1.0-1.el7.x86_64.rpm.zip https://github.com/tomlinux/FlexGW/releases/download/v1.2/flexgw-1.1.0-1.el7.x86_64.rpm.zip

cd /root && unzip flexgw-1.1.0-1.el7.x86_64.rpm.zip && rpm -ivh flexgw-1.1.0-1.el7.x86_64.rpm

\cp -fv /usr/local/flexgw/rc/strongswan.conf /etc/strongswan/strongswan.conf

\cp -fv /usr/local/flexgw/rc/openvpn.conf /etc/openvpn/server/server.conf

sed -i 's/load = yes/#load = yes/g' /etc/strongswan/strongswan.d/charon/dhcp.conf

echo ''> /etc/strongswan/ipsec.secrets

ln -s /etc/init.d/initflexgw /etc/rc3.d/S98initflexgw

echo "正在初始化证书和数据库文件请等会几分钟..........................."

/etc/init.d/initflexgw

echo "flexgw 安装已经结束了"

rm -f flexgw-1.1.0-1.el7.x86_64.rpm

exit 0