Centos7 wireguard离线安装包及互联网安装脚本

#!/bin/bash #判断系统 if [ ! -e '/etc/redhat-release' ]; then echo "仅支持centos7" exit fi if [ -n "$(grep ' 6\.' /etc/redhat-release)" ] ;then echo "仅支持centos7" exit fi #更新内核 update_kernel(){ yum -y install epel-release curl sed -i "0,/enabled=0/s//enabled=1/" /etc/yum.repos.d/epel.repo yum remove -y kernel-devel rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm yum --disablerepo="*" --enablerepo="elrepo-kernel" list available yum -y --enablerepo=elrepo-kernel install kernel-ml sed -i "s/GRUB_DEFAULT=saved/GRUB_DEFAULT=0/" /etc/default/grub grub2-mkconfig -o /boot/grub2/grub.cfg wget https://elrepo.org/linux/kernel/el7/x86_64/RPMS/kernel-ml-devel-4.19.1-1.el7.elrepo.x86_64.rpm rpm -ivh kernel-ml-devel-4.19.1-1.el7.elrepo.x86_64.rpm yum -y --enablerepo=elrepo-kernel install kernel-ml-devel read -p "须要重启VPS，再次执行脚本选择安装wireguard，是否如今重启 ? [Y/n] :" yn [ -z "${yn}" ] && yn="y" if [[ $yn == [Yy] ]]; then echo -e "VPS 重启中..." reboot fi } #生成随机端口 rand(){ min=$1 max=$(($2-$min+1)) num=$(cat /dev/urandom | head -n 10 | cksum | awk -F ' ' '{print $1}') echo $(($num%$max+$min)) } wireguard_update(){ yum update -y wireguard-dkms wireguard-tools echo "更新完成" } wireguard_remove(){ wg-quick down wg0 yum remove -y wireguard-dkms wireguard-tools rm -rf /etc/wireguard/ echo "卸载完成" } config_client(){ cat > /etc/wireguard/client.conf <<-EOF [Interface] PrivateKey = $c1 Address = 10.0.0.2/24 DNS = 114.114.114.114 MTU = 1420 [Peer] PublicKey = $s2 Endpoint = $serverip:$port AllowedIPs = 0.0.0.0/0, ::0/0 PersistentKeepalive = 25 EOF } #centos7安装wireguard wireguard_install(){ curl -Lo /etc/yum.repos.d/wireguard.repo https://copr.fedorainfracloud.org/coprs/jdoss/wireguard/repo/epel-7/jdoss-wireguard-epel-7.repo yum install -y dkms gcc-c++ gcc-gfortran glibc-headers glibc-devel libquadmath-devel libtool systemtap systemtap-devel yum -y install wireguard-dkms wireguard-tools yum -y install qrencode mkdir /etc/wireguard cd /etc/wireguard wg genkey | tee sprivatekey | wg pubkey > spublickey wg genkey | tee cprivatekey | wg pubkey > cpublickey s1=$(cat sprivatekey) s2=$(cat spublickey) c1=$(cat cprivatekey) c2=$(cat cpublickey) serverip=$(curl ipv4.icanhazip.com) port=$(rand 10000 60000) eth=$(ls /sys/class/net | awk '/^e/{print}') chmod 777 -R /etc/wireguard systemctl stop firewalld systemctl disable firewalld yum install -y iptables-services systemctl enable iptables systemctl start iptables iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT iptables -F service iptables save service iptables restart echo 1 > /proc/sys/net/ipv4/ip_forward echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf sysctl -p cat > /etc/wireguard/wg0.conf <<-EOF [Interface] PrivateKey = $s1 Address = 10.0.0.1/24 PostUp = echo 1 > /proc/sys/net/ipv4/ip_forward; iptables -A FORWARD -i wg0 -j ACCEPT; iptables -A FORWARD -o wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o $eth -j MASQUERADE PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -D FORWARD -o wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o $eth -j MASQUERADE ListenPort = $port DNS = 114.114.114 MTU = 1420 [Peer] PublicKey = $c2 AllowedIPs = 10.0.0.2/24 EOF config_client wg-quick up wg0 systemctl enable wg-quick@wg0 content=$(cat /etc/wireguard/client.conf) echo "电脑端请下载client.conf，手机端可直接使用软件扫码" echo "${content}" | qrencode -o - -t UTF8 } add_user(){ echo -e "\033[37;41m给新用户起个名字，不能和已有用户重复\033[0m" read -p "请输入用户名：" newname cd /etc/wireguard/ cp client.conf $newname.conf wg genkey | tee temprikey | wg pubkey > tempubkey ipnum=$(grep Allowed /etc/wireguard/wg0.conf | tail -1 | awk -F '[ ./]' '{print $6}') newnum=$((10#${ipnum}+1)) sed -i 's%^PrivateKey.*$%'"PrivateKey = $(cat temprikey)"'%' $newname.conf sed -i 's%^Address.*$%'"Address = 10.0.0.$newnum\/24"'%' $newname.conf cat >> /etc/wireguard/wg0.conf <<-EOF [Peer] PublicKey = $(cat tempubkey) AllowedIPs = 10.0.0.$newnum/24 EOF wg set wg0 peer $(cat tempubkey) allowed-ips 10.0.0.$newnum/32 echo -e "\033[37;41m添加完成，文件：/etc/wireguard/$newname.conf\033[0m" rm -f temprikey tempubkey } #开始菜单 start_menu(){ clear echo "=========================" echo " 介绍：适用于CentOS7" echo " 做者：atrandys" echo " 网站：www.atrandys.com" echo " Youtube：atrandys" echo "=========================" echo "1. 升级系统内核" echo "2. 安装wireguard" echo "3. 升级wireguard" echo "4. 卸载wireguard" echo "5. 显示客户端二维码" echo "6. 增长用户" echo "0. 退出脚本" echo read -p "请输入数字:" num case "$num" in 1) update_kernel ;; 2) wireguard_install ;; 3) wireguard_update ;; 4) wireguard_remove ;; 5) content=$(cat /etc/wireguard/client.conf) echo "${content}" | qrencode -o - -t UTF8 ;; 6) add_user ;; 0) exit 1 ;; *) clear echo "请输入正确数字" sleep 5s start_menu ;; esac } start_menu