未分类
openvpn一键安装脚本
openvpn一键安装脚本：
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#!/bin/bash # # https://github.com/Nyr/openvpn-install # # Copyright (c) 2013 Nyr. Released under the MIT License. # Detect Debian users running the script with "sh" instead of bash if readlink /proc/$$/exe | grep -q "dash"; then echo "This script needs to be run with bash, not sh" exit fi if [[ "$EUID" -ne 0 ]]; then echo "Sorry, you need to run this as root" exit fi if [[ ! -e /dev/net/tun ]]; then echo "The TUN device is not available You need to enable TUN before running this script" exit fi if [[ -e /etc/debian_version ]]; then OS=debian GROUPNAME=nogroup RCLOCAL='/etc/rc.local' elif [[ -e /etc/centos-release || -e /etc/redhat-release ]]; then OS=centos GROUPNAME=nobody RCLOCAL='/etc/rc.d/rc.local' else echo "Looks like you aren't running this installer on Debian, Ubuntu or CentOS" exit fi newclient () { # Generates the custom client.ovpn cp /etc/openvpn/client-common.txt ~/$1.ovpn echo "<ca>" >> ~/$1.ovpn cat /etc/openvpn/easy-rsa/pki/ca.crt >> ~/$1.ovpn echo "</ca>" >> ~/$1.ovpn echo "<cert>" >> ~/$1.ovpn cat /etc/openvpn/easy-rsa/pki/issued/$1.crt >> ~/$1.ovpn echo "</cert>" >> ~/$1.ovpn echo "<key>" >> ~/$1.ovpn cat /etc/openvpn/easy-rsa/pki/private/$1.key >> ~/$1.ovpn echo "</key>" >> ~/$1.ovpn echo "<tls-auth>" >> ~/$1.ovpn cat /etc/openvpn/ta.key >> ~/$1.ovpn echo "</tls-auth>" >> ~/$1.ovpn } if [[ -e /etc/openvpn/server.conf ]]; then while : do clear echo "Looks like OpenVPN is already installed." echo echo "What do you want to do?" echo " 1) Add a new user" echo " 2) Revoke an existing user" echo " 3) Remove OpenVPN" echo " 4) Exit" read -p "Select an option [1-4]: " option case $option in 1) echo echo "Tell me a name for the client certificate." echo "Please, use one word only, no special characters." read -p "Client name: " -e CLIENT cd /etc/openvpn/easy-rsa/ ./easyrsa build-client-full $CLIENT nopass # Generates the custom client.ovpn newclient "$CLIENT" echo echo "Client $CLIENT added, configuration is available at:" ~/"$CLIENT.ovpn" exit ;; 2) # This option could be documented a bit better and maybe even be simplified # ...but what can I say, I want some sleep too NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V") if [[ "$NUMBEROFCLIENTS" = '0' ]]; then echo echo "You have no existing clients!" exit fi echo echo "Select the existing client certificate you want to revoke:" tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') ' if [[ "$NUMBEROFCLIENTS" = '1' ]]; then read -p "Select one client [1]: " CLIENTNUMBER else read -p "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER fi CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p) echo read -p "Do you really want to revoke access for client $CLIENT? [y/N]: " -e REVOKE if [[ "$REVOKE" = 'y' || "$REVOKE" = 'Y' ]]; then cd /etc/openvpn/easy-rsa/ ./easyrsa --batch revoke $CLIENT EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl rm -f pki/reqs/$CLIENT.req rm -f pki/private/$CLIENT.key rm -f pki/issued/$CLIENT.crt rm -f /etc/openvpn/crl.pem cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem # CRL is read with each client connection, when OpenVPN is dropped to nobody chown nobody:$GROUPNAME /etc/openvpn/crl.pem echo echo "Certificate for client $CLIENT revoked!" else echo echo "Certificate revocation for client $CLIENT aborted!" fi exit ;; 3) echo read -p "Do you really want to remove OpenVPN? [y/N]: " -e REMOVE if [[ "$REMOVE" = 'y' || "$REMOVE" = 'Y' ]]; then PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2) PROTOCOL=$(grep '^proto ' /etc/openvpn/server.conf | cut -d " " -f 2) if pgrep firewalld; then IP=$(firewall-cmd --direct --get-rules ipv4 nat POSTROUTING | grep '\-s 10.8.0.0/24 '"'"'!'"'"' -d 10.8.0.0/24 -j SNAT --to ' | cut -d " " -f 10) # Using both permanent and not permanent rules to avoid a firewalld reload. firewall-cmd --zone=public --remove-port=$PORT/$PROTOCOL firewall-cmd --zone=trusted --remove-source=10.8.0.0/24 firewall-cmd --permanent --zone=public --remove-port=$PORT/$PROTOCOL firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24 firewall-cmd --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP firewall-cmd --permanent --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP else IP=$(grep 'iptables -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to ' $RCLOCAL | cut -d " " -f 14) iptables -t nat -D POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP sed -i '/iptables -t nat -A POSTROUTING -s 10.8.0.0\/24 ! -d 10.8.0.0\/24 -j SNAT --to /d' $RCLOCAL if iptables -L -n | grep -qE '^ACCEPT'; then iptables -D INPUT -p $PROTOCOL --dport $PORT -j ACCEPT iptables -D FORWARD -s 10.8.0.0/24 -j ACCEPT iptables -D FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT sed -i "/iptables -I INPUT -p $PROTOCOL --dport $PORT -j ACCEPT/d" $RCLOCAL sed -i "/iptables -I FORWARD -s 10.8.0.0\/24 -j ACCEPT/d" $RCLOCAL sed -i "/iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT/d" $RCLOCAL fi fi if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$PORT" != '1194' ]]; then semanage port -d -t openvpn_port_t -p $PROTOCOL $PORT fi if [[ "$OS" = 'debian' ]]; then apt-get remove --purge -y openvpn else yum remove openvpn -y fi rm -rf /etc/openvpn rm -f /etc/sysctl.d/30-openvpn-forward.conf echo echo "OpenVPN removed!" else echo echo "Removal aborted!" fi exit ;; 4) exit;; esac done else clear echo 'Welcome to this OpenVPN "road warrior" installer!' echo # OpenVPN setup and first user creation echo "I need to ask you a few questions before starting the setup." echo "You can leave the default options and just press enter if you are ok with them." echo echo "First, provide the IPv4 address of the network interface you want OpenVPN" echo "listening to." # Autodetect IP address and pre-fill for the user IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1) read -p "IP address: " -e -i $IP IP # If $IP is a private IP address, the server must be behind NAT if echo "$IP" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then echo echo "This server is behind NAT. What is the public IPv4 address or hostname?" read -p "Public IP address / hostname: " -e PUBLICIP fi echo echo "Which protocol do you want for OpenVPN connections?" echo " 1) UDP (recommended)" echo " 2) TCP" read -p "Protocol [1-2]: " -e -i 1 PROTOCOL case $PROTOCOL in 1) PROTOCOL=udp ;; 2) PROTOCOL=tcp ;; esac echo echo "What port do you want OpenVPN listening to?" read -p "Port: " -e -i 1194 PORT echo echo "Which DNS do you want to use with the VPN?" echo " 1) Current system resolvers" echo " 2) 1.1.1.1" echo " 3) Google" echo " 4) OpenDNS" echo " 5) Verisign" read -p "DNS [1-5]: " -e -i 1 DNS echo echo "Finally, tell me your name for the client certificate." echo "Please, use one word only, no special characters." read -p "Client name: " -e -i client CLIENT echo echo "Okay, that was all I needed. We are ready to set up your OpenVPN server now." read -n1 -r -p "Press any key to continue..." if [[ "$OS" = 'debian' ]]; then apt-get update apt-get install openvpn iptables openssl ca-certificates -y else # Else, the distro is CentOS yum install epel-release -y yum install openvpn iptables openssl ca-certificates -y fi # Get easy-rsa EASYRSAURL='https://github.com/OpenVPN/easy-rsa/releases/download/v3.0.4/EasyRSA-3.0.4.tgz' wget -O ~/easyrsa.tgz "$EASYRSAURL" 2>/dev/null || curl -Lo ~/easyrsa.tgz "$EASYRSAURL" tar xzf ~/easyrsa.tgz -C ~/ mv ~/EasyRSA-3.0.4/ /etc/openvpn/ mv /etc/openvpn/EasyRSA-3.0.4/ /etc/openvpn/easy-rsa/ chown -R root:root /etc/openvpn/easy-rsa/ rm -f ~/easyrsa.tgz cd /etc/openvpn/easy-rsa/ # Create the PKI, set up the CA, the DH params and the server + client certificates ./easyrsa init-pki ./easyrsa --batch build-ca nopass ./easyrsa gen-dh ./easyrsa build-server-full server nopass ./easyrsa build-client-full $CLIENT nopass EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl # Move the stuff we need cp pki/ca.crt pki/private/ca.key pki/dh.pem pki/issued/server.crt pki/private/server.key pki/crl.pem /etc/openvpn # CRL is read with each client connection, when OpenVPN is dropped to nobody chown nobody:$GROUPNAME /etc/openvpn/crl.pem # Generate key for tls-auth openvpn --genkey --secret /etc/openvpn/ta.key # Generate server.conf echo "port $PORT proto $PROTOCOL dev tun sndbuf 0 rcvbuf 0 ca ca.crt cert server.crt key server.key dh dh.pem auth SHA512 tls-auth ta.key 0 topology subnet server 10.8.0.0 255.255.255.0 ifconfig-pool-persist ipp.txt" > /etc/openvpn/server.conf echo 'push "redirect-gateway def1 bypass-dhcp"' >> /etc/openvpn/server.conf # DNS case $DNS in 1) # Locate the proper resolv.conf # Needed for systems running systemd-resolved if grep -q "127.0.0.53" "/etc/resolv.conf"; then RESOLVCONF='/run/systemd/resolve/resolv.conf' else RESOLVCONF='/etc/resolv.conf' fi # Obtain the resolvers from resolv.conf and use them for OpenVPN grep -v '#' $RESOLVCONF | grep 'nameserver' | grep -E -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | while read line; do echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf done ;; 2) echo 'push "dhcp-option DNS 1.1.1.1"' >> /etc/openvpn/server.conf echo 'push "dhcp-option DNS 1.0.0.1"' >> /etc/openvpn/server.conf ;; 3) echo 'push "dhcp-option DNS 8.8.8.8"' >> /etc/openvpn/server.conf echo 'push "dhcp-option DNS 8.8.4.4"' >> /etc/openvpn/server.conf ;; 4) echo 'push "dhcp-option DNS 208.67.222.222"' >> /etc/openvpn/server.conf echo 'push "dhcp-option DNS 208.67.220.220"' >> /etc/openvpn/server.conf ;; 5) echo 'push "dhcp-option DNS 64.6.64.6"' >> /etc/openvpn/server.conf echo 'push "dhcp-option DNS 64.6.65.6"' >> /etc/openvpn/server.conf ;; esac echo "keepalive 10 120 cipher AES-256-CBC comp-lzo user nobody group $GROUPNAME persist-key persist-tun status openvpn-status.log verb 3 crl-verify crl.pem" >> /etc/openvpn/server.conf # Enable net.ipv4.ip_forward for the system echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/30-openvpn-forward.conf # Enable without waiting for a reboot or service restart echo 1 > /proc/sys/net/ipv4/ip_forward if pgrep firewalld; then # Using both permanent and not permanent rules to avoid a firewalld # reload. # We don't use --add-service=openvpn because that would only work with # the default port and protocol. firewall-cmd --zone=public --add-port=$PORT/$PROTOCOL firewall-cmd --zone=trusted --add-source=10.8.0.0/24 firewall-cmd --permanent --zone=public --add-port=$PORT/$PROTOCOL firewall-cmd --permanent --zone=trusted --add-source=10.8.0.0/24 # Set NAT for the VPN subnet firewall-cmd --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP firewall-cmd --permanent --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP else # Needed to use rc.local with some systemd distros if [[ "$OS" = 'debian' && ! -e $RCLOCAL ]]; then echo '#!/bin/sh -e exit 0' > $RCLOCAL fi chmod +x $RCLOCAL # Set NAT for the VPN subnet iptables -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP sed -i "1 a\iptables -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP" $RCLOCAL if iptables -L -n | grep -qE '^(REJECT|DROP)'; then # If iptables has at least one REJECT rule, we asume this is needed. # Not the best approach but I can't think of other and this shouldn't # cause problems. iptables -I INPUT -p $PROTOCOL --dport $PORT -j ACCEPT iptables -I FORWARD -s 10.8.0.0/24 -j ACCEPT iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT sed -i "1 a\iptables -I INPUT -p $PROTOCOL --dport $PORT -j ACCEPT" $RCLOCAL sed -i "1 a\iptables -I FORWARD -s 10.8.0.0/24 -j ACCEPT" $RCLOCAL sed -i "1 a\iptables -I FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT" $RCLOCAL fi fi # If SELinux is enabled and a custom port was selected, we need this if sestatus 2>/dev/null | grep "Current mode" | grep -q "enforcing" && [[ "$PORT" != '1194' ]]; then # Install semanage if not already present if ! hash semanage 2>/dev/null; then yum install policycoreutils-python -y fi semanage port -a -t openvpn_port_t -p $PROTOCOL $PORT fi # And finally, restart OpenVPN if [[ "$OS" = 'debian' ]]; then # Little hack to check for systemd if pgrep systemd-journal; then systemctl restart openvpn@server.service else /etc/init.d/openvpn restart fi else if pgrep systemd-journal; then systemctl restart openvpn@server.service systemctl enable openvpn@server.service else service openvpn restart chkconfig openvpn on fi fi # If the server is behind a NAT, use the correct IP address if [[ "$PUBLICIP" != "" ]]; then IP=$PUBLICIP fi # client-common.txt is created so we have a template to add further users later echo "client dev tun proto $PROTOCOL sndbuf 0 rcvbuf 0 remote $IP $PORT resolv-retry infinite nobind persist-key persist-tun remote-cert-tls server auth SHA512 cipher AES-256-CBC comp-lzo setenv opt block-outside-dns key-direction 1 verb 3" > /etc/openvpn/client-common.txt # Generates the custom client.ovpn newclient "$CLIENT" echo echo "Finished!" echo echo "Your client configuration is available at:" ~/"$CLIENT.ovpn" echo "If you want to add more clients, you simply need to run this script again!" fi |
未分类
基于官方镜像制作tomcat-alpine镜像
由于此镜像内要求安装glibc， 用于在镜像内支持docker命令，下面是网上搜索到的一个Dockerfile配置:
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FROM alpine:latest MAINTAINER Moritz Heiber <hello@heiber.im> ENV JAVA_VERSION_MAJOR=8 \ JAVA_VERSION_MINOR=73 \ JAVA_VERSION_BUILD=02 \ JAVA_PACKAGE=server-jre \ GLIBC_PKG_VERSION=2.23-r1 \ LANG=en_US.UTF8 WORKDIR /tmp RUN apk add --no-cache --update-cache curl ca-certificates bash && \ curl -Lo /etc/apk/keys/andyshinn.rsa.pub "https://github.com/andyshinn/alpine-pkg-glibc/releases/download/${GLIBC_PKG_VERSION}/andyshinn.rsa.pub" && \ curl -Lo glibc-${GLIBC_PKG_VERSION}.apk "https://github.com/andyshinn/alpine-pkg-glibc/releases/download/${GLIBC_PKG_VERSION}/glibc-${GLIBC_PKG_VERSION}.apk" && \ curl -Lo glibc-bin-${GLIBC_PKG_VERSION}.apk "https://github.com/andyshinn/alpine-pkg-glibc/releases/download/${GLIBC_PKG_VERSION}/glibc-bin-${GLIBC_PKG_VERSION}.apk" && \ curl -Lo glibc-i18n-${GLIBC_PKG_VERSION}.apk "https://github.com/andyshinn/alpine-pkg-glibc/releases/download/${GLIBC_PKG_VERSION}/glibc-i18n-${GLIBC_PKG_VERSION}.apk" && \ apk add glibc-${GLIBC_PKG_VERSION}.apk glibc-bin-${GLIBC_PKG_VERSION}.apk glibc-i18n-${GLIBC_PKG_VERSION}.apk && \ curl -jksSLH "Cookie: oraclelicense=accept-securebackup-cookie" \ "http://download.oracle.com/otn-pub/java/jdk/${JAVA_VERSION_MAJOR}u${JAVA_VERSION_MINOR}-b${JAVA_VERSION_BUILD}/${JAVA_PACKAGE}-${JAVA_VERSION_MAJOR}u${JAVA_VERSION_MINOR}-linux-x64.tar.gz" | gunzip -c - | tar -xf - && \ apk del curl ca-certificates && \ mv jdk1.${JAVA_VERSION_MAJOR}.0_${JAVA_VERSION_MINOR}/jre /jre && \ rm /jre/bin/jjs && \ rm /jre/bin/keytool && \ rm /jre/bin/orbd && \ rm /jre/bin/pack200 && \ rm /jre/bin/policytool && \ rm /jre/bin/rmid && \ rm /jre/bin/rmiregistry && \ rm /jre/bin/servertool && \ rm /jre/bin/tnameserv && \ rm /jre/bin/unpack200 && \ rm /jre/lib/ext/nashorn.jar && \ rm /jre/lib/jfr.jar && \ rm -rf /jre/lib/jfr && \ rm -rf /jre/lib/oblique-fonts && \ rm -rf /tmp/* /var/cache/apk/* && \ echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf ENV JAVA_HOME=/jre ENV PATH=${PATH}:${JAVA_HOME}/bin |