CentOS一键安装pptpd服务脚本

相关代码如下

 #!/bin/bash # Setup Simple PPTP VPN server for CentOS # Copyright (C) 2015-2016 Danyl Zhang <1475811550@qq.com> and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. #定义帮助信息函数 printhelp() { echo " Usage: ./CentOS-pptp-setup.sh [OPTION] If you are using custom password , Make sure its more than 8 characters. Otherwise it will generate random password for you. If you trying set password only. It will generate Default user with Random password. example: ./CentOS-pptp-setup.sh -u myusr -p mypass Use without parameter [ ./CentOS-pptp-setup.sh ] to use default username and Random password -u, --username Enter the Username -p, --password Enter the Password " } #对输入信息进行判断 while [ "$1" != "" ]; do case "$1" in -u | --username ) NAME=$2; shift 2 ;; -p | --password ) PASS=$2; shift 2 ;; -h | --help ) echo "$(printhelp)"; exit; shift; break ;; esac done # Check if user is root，脚本必须在root用户下执行 [ $(id -u) != "0" ] && { echo -e "\033[31mError: You must be root to run this script\033[0m"; exit 1; } #定义路径，清空显示屏幕 export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin clear #如果没有curl，就下载它 [ ! -e '/usr/bin/curl' ] && yum -y install curl #定义相关变量，下面要用到 VPN_IP=`curl ipv4.icanhazip.com` #通过curl这个地址，可以获取服务器的出口公网IP VPN_LOCAL="192.168.2.1" #pptp服务器端IP,可以设置为服务器上绑定的任意一个IP地址 VPN_REMOTE="192.168.2.10-100" #客户端成功连接VPN后获取的IP地址范围（可以和pptp服务器在同一内网段内，但是建议不要设置和PPTP服务器内网一样的网段） clear #下面要下载一下安装包，在epel源中，需要先确认epel源的配置 if [ -f /etc/redhat-release -a -n "`grep ' 7\.' /etc/redhat-release`" ];then #判断系统是否为centos7 #CentOS_REL=7 if [ ! -e /etc/yum.repos.d/epel.repo ];then cat > /etc/yum.repos.d/epel.repo << EOF [epel] name=Extra Packages for Enterprise Linux 7 - \$basearch #baseurl=http://download.fedoraproject.org/pub/epel/7/\$basearch mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=\$basearch failovermethod=priority enabled=1 gpgcheck=0 EOF fi for Package in wget make openssl gcc-c++ ppp pptpd iptables iptables-services #下载指定安装包 do yum -y install $Package done echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf #修改转发设置 elif [ -f /etc/redhat-release -a -n "`grep ' 6\.' /etc/redhat-release`" ];then #如果系统是centos6 #CentOS_REL=6 for Package in wget make openssl gcc-c++ iptables ppp do yum -y install $Package done sed -i 's@net.ipv4.ip_forward.*@net.ipv4.ip_forward = 1@g' /etc/sysctl.conf rpm -Uvh http://poptop.sourceforge.net/yum/stable/rhel6/pptp-release-current.noarch.rpm yum -y install pptpd else echo -e "\033[31mDoes not support this OS, Please contact the author! \033[0m" #如果是其他系统就提醒并退出 exit 1 fi sysctl -p #使转发设置生效 #-z检查/etc/pptpf.conf中相关参数是否已经设置了,然后把设置的相关参数导入到/etc/pptpd.conf中 [ -z "`grep '^localip' /etc/pptpd.conf`" ] && echo "localip $VPN_LOCAL" >> /etc/pptpd.conf # Local IP address of your VPN server [ -z "`grep '^remoteip' /etc/pptpd.conf`" ] && echo "remoteip $VPN_REMOTE" >> /etc/pptpd.conf # Scope for your home network #检查并设置dns服务器 if [ -z "`grep '^ms-dns' /etc/ppp/options.pptpd`" ];then echo "ms-dns 8.8.8.8" >> /etc/ppp/options.pptpd echo "ms-dns 209.244.0.3" >> /etc/ppp/options.pptpd fi #no liI10oO chars in password LEN=$(echo ${#PASS}) #检查密码是否设置 if [ -z "$PASS" ] || [ $LEN -lt 8 ] || [ -z "$NAME"] #如果密码字符串为0（就是没有设置）或小于8位或跟要设置的用户名相同，那么就重新设置 then P1=`cat /dev/urandom | tr -cd abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789 | head -c 3` P2=`cat /dev/urandom | tr -cd abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789 | head -c 3` P3=`cat /dev/urandom | tr -cd abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789 | head -c 3` PASS="$P1-$P2-$P3" #生成一个11位的随机密码 fi if [ -z "$NAME" ] then NAME="vpn" #如果用户名没有设置，就默认为vpn fi cat >> /etc/ppp/chap-secrets <<END #将账号密码导出到/etc/ppp/chap-secrets中 $NAME pptpd $PASS * END ETH=`route | grep default | awk '{print $NF}'` #获取默认的出口网卡名 #设置iptables规则 [ -z "`grep '1723 -j ACCEPT' /etc/sysconfig/iptables`" ] && iptables -I INPUT 4 -p tcp -m state --state NEW -m tcp --dport 1723 -j ACCEPT #打开1723端口 [ -z "`grep 'gre -j ACCEPT' /etc/sysconfig/iptables`" ] && iptables -I INPUT 5 -p gre -j ACCEPT #放行gre隧道连接 iptables -t nat -A POSTROUTING -o $ETH -j MASQUERADE iptables -I FORWARD -p tcp --syn -i ppp+ -j TCPMSS --set-mss 1356 #保存刚才设置的iptables规则，注释掉（删除）相关规则 service iptables save sed -i 's@^-A INPUT -j REJECT --reject-with icmp-host-prohibited@#-A INPUT -j REJECT --reject-with icmp-host-prohibited@' /etc/sysconfig/iptables sed -i 's@^-A FORWARD -j REJECT --reject-with icmp-host-prohibited@#-A FORWARD -j REJECT --reject-with icmp-host-prohibited@' /etc/sysconfig/iptables #设置iptables服务重启，开机运行 service iptables restart chkconfig iptables on #设置pptpd服务重启，开机运行 service pptpd restart chkconfig pptpd on clear echo -e "You can now connect to your VPN via your external IP \033[32m${VPN_IP}\033[0m" echo -e "Username: \033[32m${NAME}\033[0m" echo -e "Password: \033[32m${PASS}\033[0m"

脚本里面的注释内容有一些是我自己加进去的，方便理解。在使用的时候可以直接用wget下载，或者直接去原地址copy

参考地址：  - Centos7搭建pptp VPN一键安装脚本  - CentOS 7 安装VPN Server 和 Client  - Centos下PPTP环境部署记录  - 如何在windows上配置连接pptpd

脚本在github上的地址：https://github.com/DanylZhang/VPS/blob/master/CentOS-pptp-setup.sh  亲测可用，可以放心用啊。