formatting code and fix shellcheck error
This commit is contained in:
parent
a34d13adbb
commit
fbd0769768
1 changed files with 336 additions and 335 deletions
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@ -3,21 +3,22 @@
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# Secure OpenVPN server installer for Debian, Ubuntu, CentOS, Fedora and Arch Linux
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# https://github.com/angristan/openvpn-install
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function isRoot () {
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function isRoot() {
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if [ "$EUID" -ne 0 ]; then
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return 1
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fi
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}
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function tunAvailable () {
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function tunAvailable() {
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if [ ! -e /dev/net/tun ]; then
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return 1
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fi
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}
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function checkOS () {
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function checkOS() {
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if [[ -e /etc/debian_version ]]; then
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OS="debian"
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# shellcheck disable=SC1091
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source /etc/os-release
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if [[ "$ID" == "debian" ]]; then
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@ -30,11 +31,11 @@ function checkOS () {
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until [[ $CONTINUE =~ (y|n) ]]; do
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read -rp "Continue? [y/n]: " -e CONTINUE
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done
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if [[ "$CONTINUE" = "n" ]]; then
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if [[ "$CONTINUE" == "n" ]]; then
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exit 1
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fi
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fi
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elif [[ "$ID" == "ubuntu" ]];then
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elif [[ "$ID" == "ubuntu" ]]; then
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OS="ubuntu"
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if [[ ! $VERSION_ID =~ (16.04|18.04|19.04) ]]; then
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echo "⚠️ Your version of Ubuntu is not supported."
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@ -45,7 +46,7 @@ function checkOS () {
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until [[ $CONTINUE =~ (y|n) ]]; do
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read -rp "Continue? [y/n]: " -e CONTINUE
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done
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if [[ "$CONTINUE" = "n" ]]; then
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if [[ "$CONTINUE" == "n" ]]; then
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exit 1
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fi
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fi
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@ -61,7 +62,7 @@ function checkOS () {
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until [[ $CONTINUE =~ (y|n) ]]; do
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read -rp "Continue anyway? [y/n]: " -e CONTINUE
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done
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if [[ "$CONTINUE" = "n" ]]; then
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if [[ "$CONTINUE" == "n" ]]; then
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echo "Ok, bye!"
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exit 1
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fi
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@ -75,7 +76,7 @@ function checkOS () {
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fi
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}
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function initialCheck () {
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function initialCheck() {
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if ! isRoot; then
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echo "Sorry, you need to run this as root"
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exit 1
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@ -87,7 +88,7 @@ function initialCheck () {
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checkOS
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}
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function installUnbound () {
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function installUnbound() {
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if [[ ! -e /etc/unbound/unbound.conf ]]; then
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if [[ "$OS" =~ (debian|ubuntu) ]]; then
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@ -99,9 +100,9 @@ access-control: 10.8.0.1/24 allow
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hide-identity: yes
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hide-version: yes
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use-caps-for-id: yes
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prefetch: yes' >> /etc/unbound/unbound.conf
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prefetch: yes' >>/etc/unbound/unbound.conf
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elif [[ "$OS" = "centos" ]]; then
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elif [[ "$OS" == "centos" ]]; then
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yum install -y unbound
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# Configuration
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@ -111,7 +112,7 @@ prefetch: yes' >> /etc/unbound/unbound.conf
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sed -i 's|# hide-version: no|hide-version: yes|' /etc/unbound/unbound.conf
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sed -i 's|use-caps-for-id: no|use-caps-for-id: yes|' /etc/unbound/unbound.conf
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elif [[ "$OS" = "fedora" ]]; then
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elif [[ "$OS" == "fedora" ]]; then
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dnf install -y unbound
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# Configuration
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@ -121,7 +122,7 @@ prefetch: yes' >> /etc/unbound/unbound.conf
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sed -i 's|# hide-version: no|hide-version: yes|' /etc/unbound/unbound.conf
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sed -i 's|# use-caps-for-id: no|use-caps-for-id: yes|' /etc/unbound/unbound.conf
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elif [[ "$OS" = "arch" ]]; then
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elif [[ "$OS" == "arch" ]]; then
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pacman -Syu --noconfirm unbound
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# Get root servers list
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@ -145,10 +146,10 @@ prefetch: yes' >> /etc/unbound/unbound.conf
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hide-identity: yes
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hide-version: yes
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qname-minimisation: yes
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prefetch: yes' > /etc/unbound/unbound.conf
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prefetch: yes' >/etc/unbound/unbound.conf
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fi
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if [[ ! "$OS" =~ (fedora|centos) ]];then
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if [[ ! "$OS" =~ (fedora|centos) ]]; then
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# DNS Rebinding fix
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echo "private-address: 10.0.0.0/8
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private-address: 172.16.0.0/12
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@ -157,10 +158,10 @@ private-address: 169.254.0.0/16
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private-address: fd00::/8
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private-address: fe80::/10
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private-address: 127.0.0.0/8
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private-address: ::ffff:0:0/96" >> /etc/unbound/unbound.conf
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private-address: ::ffff:0:0/96" >>/etc/unbound/unbound.conf
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fi
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else # Unbound is already installed
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echo 'include: /etc/unbound/openvpn.conf' >> /etc/unbound/unbound.conf
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echo 'include: /etc/unbound/openvpn.conf' >>/etc/unbound/unbound.conf
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# Add Unbound 'server' for the OpenVPN subnet
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echo 'server:
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@ -177,14 +178,14 @@ private-address: 169.254.0.0/16
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private-address: fd00::/8
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private-address: fe80::/10
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private-address: 127.0.0.0/8
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private-address: ::ffff:0:0/96' > /etc/unbound/openvpn.conf
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private-address: ::ffff:0:0/96' >/etc/unbound/openvpn.conf
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fi
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systemctl enable unbound
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systemctl restart unbound
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}
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function installQuestions () {
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function installQuestions() {
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echo "Welcome to the OpenVPN installer!"
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echo "The git repository is available at: https://github.com/angristan/openvpn-install"
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echo ""
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@ -215,7 +216,7 @@ function installQuestions () {
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echo "Checking for IPv6 connectivity..."
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echo ""
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# "ping6" and "ping -6" availability varies depending on the distribution
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if type ping6 > /dev/null 2>&1; then
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if type ping6 >/dev/null 2>&1; then
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PING6="ping6 -c3 ipv6.google.com > /dev/null 2>&1"
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else
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PING6="ping -6 -c3 ipv6.google.com > /dev/null 2>&1"
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@ -297,7 +298,7 @@ function installQuestions () {
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until [[ $CONTINUE =~ (y|n) ]]; do
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read -rp "Apply configuration changes to Unbound? [y/n]: " -e CONTINUE
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done
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if [[ $CONTINUE = "n" ]];then
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if [[ $CONTINUE == "n" ]]; then
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# Break the loop and cleanup
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unset DNS
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unset CONTINUE
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@ -307,9 +308,9 @@ function installQuestions () {
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echo ""
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echo "Do you want to use compression? It is not recommended since the VORACLE attack make use of it."
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until [[ $COMPRESSION_ENABLED =~ (y|n) ]]; do
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read -rp"Enable compression? [y/n]: " -e -i n COMPRESSION_ENABLED
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read -rp"Enable compression? [y/n]: " -e -in COMPRESSION_ENABLED
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done
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if [[ $COMPRESSION_ENABLED == "y" ]];then
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if [[ $COMPRESSION_ENABLED == "y" ]]; then
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echo "Choose which compression algorithm you want to use:"
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echo " 1) LZ4 (more efficient)"
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echo " 2) LZ0"
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@ -332,9 +333,9 @@ function installQuestions () {
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echo "See https://github.com/angristan/openvpn-install#security-and-encryption to learn more."
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echo ""
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until [[ $CUSTOMIZE_ENC =~ (y|n) ]]; do
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read -rp "Customize encryption settings? [y/n]: " -e -i n CUSTOMIZE_ENC
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read -rp "Customize encryption settings? [y/n]: " -e -in CUSTOMIZE_ENC
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done
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if [[ $CUSTOMIZE_ENC == "n" ]];then
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if [[ $CUSTOMIZE_ENC == "n" ]]; then
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# Use default, sane and fast parameters
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CIPHER="AES-128-GCM"
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CERT_TYPE="1" # ECDSA
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@ -555,7 +556,7 @@ function installQuestions () {
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fi
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}
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function installOpenVPN () {
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function installOpenVPN() {
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if [[ $AUTO_INSTALL == "y" ]]; then
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# Set default choices so that no questions will be asked.
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APPROVE_INSTALL=${APPROVE_INSTALL:-y}
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@ -585,24 +586,24 @@ function installOpenVPN () {
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apt-get update
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apt-get -y install ca-certificates gnupg
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# We add the OpenVPN repo to get the latest version.
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if [[ "$VERSION_ID" = "8" ]]; then
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echo "deb http://build.openvpn.net/debian/openvpn/stable jessie main" > /etc/apt/sources.list.d/openvpn.list
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if [[ "$VERSION_ID" == "8" ]]; then
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echo "deb http://build.openvpn.net/debian/openvpn/stable jessie main" >/etc/apt/sources.list.d/openvpn.list
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wget -O - https://swupdate.openvpn.net/repos/repo-public.gpg | apt-key add -
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apt-get update
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fi
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if [[ "$VERSION_ID" = "16.04" ]]; then
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echo "deb http://build.openvpn.net/debian/openvpn/stable xenial main" > /etc/apt/sources.list.d/openvpn.list
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if [[ "$VERSION_ID" == "16.04" ]]; then
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echo "deb http://build.openvpn.net/debian/openvpn/stable xenial main" >/etc/apt/sources.list.d/openvpn.list
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wget -O - https://swupdate.openvpn.net/repos/repo-public.gpg | apt-key add -
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apt-get update
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fi
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# Ubuntu > 16.04 and Debian > 8 have OpenVPN >= 2.4 without the need of a third party repository.
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apt-get install -y openvpn iptables openssl wget ca-certificates curl
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elif [[ "$OS" = 'centos' ]]; then
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elif [[ "$OS" == 'centos' ]]; then
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yum install -y epel-release
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yum install -y openvpn iptables openssl wget ca-certificates curl
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elif [[ "$OS" = 'fedora' ]]; then
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elif [[ "$OS" == 'fedora' ]]; then
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dnf install -y openvpn iptables openssl wget ca-certificates curl
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elif [[ "$OS" = 'arch' ]]; then
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elif [[ "$OS" == 'arch' ]]; then
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# Install required dependencies and upgrade the system
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pacman --needed --noconfirm -Syu openvpn iptables openssl wget ca-certificates curl
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fi
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chown -R root:root /etc/openvpn/easy-rsa/
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rm -f ~/EasyRSA-unix-v${version}.tgz
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cd /etc/openvpn/easy-rsa/
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cd /etc/openvpn/easy-rsa/ || exit
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case $CERT_TYPE in
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1)
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echo "set_var EASYRSA_ALGO ec" > vars
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echo "set_var EASYRSA_CURVE $CERT_CURVE" >> vars
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echo "set_var EASYRSA_ALGO ec" >vars
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echo "set_var EASYRSA_CURVE $CERT_CURVE" >>vars
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;;
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2)
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echo "set_var EASYRSA_KEY_SIZE $RSA_KEY_SIZE" > vars
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echo "set_var EASYRSA_KEY_SIZE $RSA_KEY_SIZE" >vars
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;;
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esac
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# Generate a random, alphanumeric identifier of 16 characters for CN and one for server name
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SERVER_CN="cn_$(head /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)"
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SERVER_NAME="server_$(head /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)"
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echo "set_var EASYRSA_REQ_CN $SERVER_CN" >> vars
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echo "set_var EASYRSA_REQ_CN $SERVER_CN" >>vars
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# Create the PKI, set up the CA, the DH params and the server certificate
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./easyrsa init-pki
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./easyrsa --batch build-ca nopass
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@ -675,11 +676,11 @@ function installOpenVPN () {
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chmod 644 /etc/openvpn/crl.pem
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# Generate server.conf
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echo "port $PORT" > /etc/openvpn/server.conf
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if [[ "$IPV6_SUPPORT" = 'n' ]]; then
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echo "proto $PROTOCOL" >> /etc/openvpn/server.conf
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elif [[ "$IPV6_SUPPORT" = 'y' ]]; then
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echo "proto ${PROTOCOL}6" >> /etc/openvpn/server.conf
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echo "port $PORT" >/etc/openvpn/server.conf
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if [[ "$IPV6_SUPPORT" == 'n' ]]; then
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echo "proto $PROTOCOL" >>/etc/openvpn/server.conf
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elif [[ "$IPV6_SUPPORT" == 'y' ]]; then
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echo "proto ${PROTOCOL}6" >>/etc/openvpn/server.conf
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fi
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echo "dev tun
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@ -690,7 +691,7 @@ persist-tun
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keepalive 10 120
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topology subnet
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server 10.8.0.0 255.255.255.0
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ifconfig-pool-persist ipp.txt" >> /etc/openvpn/server.conf
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ifconfig-pool-persist ipp.txt" >>/etc/openvpn/server.conf
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# DNS resolvers
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case $DNS in
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@ -704,77 +705,77 @@ ifconfig-pool-persist ipp.txt" >> /etc/openvpn/server.conf
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fi
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# Obtain the resolvers from resolv.conf and use them for OpenVPN
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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 -r line; do
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echo "push \"dhcp-option DNS $line\"" >> /etc/openvpn/server.conf
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echo "push \"dhcp-option DNS $line\"" >>/etc/openvpn/server.conf
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done
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;;
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2)
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echo 'push "dhcp-option DNS 10.8.0.1"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 10.8.0.1"' >>/etc/openvpn/server.conf
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;;
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3) # Cloudflare
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echo 'push "dhcp-option DNS 1.0.0.1"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 1.1.1.1"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 1.0.0.1"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 1.1.1.1"' >>/etc/openvpn/server.conf
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;;
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4) # Quad9
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echo 'push "dhcp-option DNS 9.9.9.9"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 149.112.112.112"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 9.9.9.9"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 149.112.112.112"' >>/etc/openvpn/server.conf
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;;
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5) # Quad9 uncensored
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echo 'push "dhcp-option DNS 9.9.9.10"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 149.112.112.10"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 9.9.9.10"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 149.112.112.10"' >>/etc/openvpn/server.conf
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;;
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6) # FDN
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echo 'push "dhcp-option DNS 80.67.169.40"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 80.67.169.12"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 80.67.169.40"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 80.67.169.12"' >>/etc/openvpn/server.conf
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;;
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7) # DNS.WATCH
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echo 'push "dhcp-option DNS 84.200.69.80"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 84.200.70.40"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 84.200.69.80"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 84.200.70.40"' >>/etc/openvpn/server.conf
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;;
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8) # OpenDNS
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echo 'push "dhcp-option DNS 208.67.222.222"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 208.67.220.220"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 208.67.222.222"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 208.67.220.220"' >>/etc/openvpn/server.conf
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;;
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9) # Google
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echo 'push "dhcp-option DNS 8.8.8.8"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 8.8.4.4"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 8.8.8.8"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 8.8.4.4"' >>/etc/openvpn/server.conf
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;;
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10) # Yandex Basic
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echo 'push "dhcp-option DNS 77.88.8.8"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 77.88.8.1"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 77.88.8.8"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 77.88.8.1"' >>/etc/openvpn/server.conf
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;;
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11) # AdGuard DNS
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echo 'push "dhcp-option DNS 176.103.130.130"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 176.103.130.131"' >> /etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 176.103.130.130"' >>/etc/openvpn/server.conf
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echo 'push "dhcp-option DNS 176.103.130.131"' >>/etc/openvpn/server.conf
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;;
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esac
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echo 'push "redirect-gateway def1 bypass-dhcp"' >> /etc/openvpn/server.conf
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echo 'push "redirect-gateway def1 bypass-dhcp"' >>/etc/openvpn/server.conf
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# IPv6 network settings if needed
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if [[ "$IPV6_SUPPORT" = 'y' ]]; then
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if [[ "$IPV6_SUPPORT" == 'y' ]]; then
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echo 'server-ipv6 fd42:42:42:42::/112
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tun-ipv6
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push tun-ipv6
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push "route-ipv6 2000::/3"
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push "redirect-gateway ipv6"' >> /etc/openvpn/server.conf
|
||||
push "redirect-gateway ipv6"' >>/etc/openvpn/server.conf
|
||||
fi
|
||||
|
||||
if [[ $COMPRESSION_ENABLED == "y" ]]; then
|
||||
echo "compress $COMPRESSION_ALG" >> /etc/openvpn/server.conf
|
||||
echo "compress $COMPRESSION_ALG" >>/etc/openvpn/server.conf
|
||||
fi
|
||||
|
||||
if [[ $DH_TYPE == "1" ]]; then
|
||||
echo "dh none" >> /etc/openvpn/server.conf
|
||||
echo "ecdh-curve $DH_CURVE" >> /etc/openvpn/server.conf
|
||||
echo "dh none" >>/etc/openvpn/server.conf
|
||||
echo "ecdh-curve $DH_CURVE" >>/etc/openvpn/server.conf
|
||||
elif [[ $DH_TYPE == "2" ]]; then
|
||||
echo "dh dh.pem" >> /etc/openvpn/server.conf
|
||||
echo "dh dh.pem" >>/etc/openvpn/server.conf
|
||||
fi
|
||||
|
||||
case $TLS_SIG in
|
||||
1)
|
||||
echo "tls-crypt tls-crypt.key 0" >> /etc/openvpn/server.conf
|
||||
echo "tls-crypt tls-crypt.key 0" >>/etc/openvpn/server.conf
|
||||
;;
|
||||
2)
|
||||
echo "tls-auth tls-auth.key 0" >> /etc/openvpn/server.conf
|
||||
echo "tls-auth tls-auth.key 0" >>/etc/openvpn/server.conf
|
||||
;;
|
||||
esac
|
||||
|
||||
|
|
@ -789,15 +790,15 @@ tls-server
|
|||
tls-version-min 1.2
|
||||
tls-cipher $CC_CIPHER
|
||||
status /var/log/openvpn/status.log
|
||||
verb 3" >> /etc/openvpn/server.conf
|
||||
verb 3" >>/etc/openvpn/server.conf
|
||||
|
||||
# Create log dir
|
||||
mkdir -p /var/log/openvpn
|
||||
|
||||
# Enable routing
|
||||
echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.d/20-openvpn.conf
|
||||
if [[ "$IPV6_SUPPORT" = 'y' ]]; then
|
||||
echo 'net.ipv6.conf.all.forwarding=1' >> /etc/sysctl.d/20-openvpn.conf
|
||||
echo 'net.ipv4.ip_forward=1' >>/etc/sysctl.d/20-openvpn.conf
|
||||
if [[ "$IPV6_SUPPORT" == 'y' ]]; then
|
||||
echo 'net.ipv6.conf.all.forwarding=1' >>/etc/sysctl.d/20-openvpn.conf
|
||||
fi
|
||||
# Avoid an unneeded reboot
|
||||
sysctl --system
|
||||
|
|
@ -812,7 +813,7 @@ verb 3" >> /etc/openvpn/server.conf
|
|||
fi
|
||||
|
||||
# Finally, restart and enable OpenVPN
|
||||
if [[ "$OS" = 'arch' || "$OS" = 'fedora' ]]; then
|
||||
if [[ "$OS" == 'arch' || "$OS" == 'fedora' ]]; then
|
||||
# Don't modify package-provided service
|
||||
cp /usr/lib/systemd/system/openvpn-server@.service /etc/systemd/system/openvpn-server@.service
|
||||
|
||||
|
|
@ -821,7 +822,7 @@ verb 3" >> /etc/openvpn/server.conf
|
|||
# Another workaround to keep using /etc/openvpn/
|
||||
sed -i 's|/etc/openvpn/server|/etc/openvpn|' /etc/systemd/system/openvpn-server@.service
|
||||
# On fedora, the service hardcodes the ciphers. We want to manage the cipher ourselves, so we remove it from the service
|
||||
if [[ "$OS" == "fedora" ]];then
|
||||
if [[ "$OS" == "fedora" ]]; then
|
||||
sed -i 's|--cipher AES-256-GCM --ncp-ciphers AES-256-GCM:AES-128-GCM:AES-256-CBC:AES-128-CBC:BF-CBC||' /etc/systemd/system/openvpn-server@.service
|
||||
fi
|
||||
|
||||
|
|
@ -847,7 +848,7 @@ verb 3" >> /etc/openvpn/server.conf
|
|||
systemctl enable openvpn@server
|
||||
fi
|
||||
|
||||
if [[ $DNS == 2 ]];then
|
||||
if [[ $DNS == 2 ]]; then
|
||||
installUnbound
|
||||
fi
|
||||
|
||||
|
|
@ -860,13 +861,13 @@ iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
|
|||
iptables -A INPUT -i tun0 -j ACCEPT
|
||||
iptables -A FORWARD -i $NIC -o tun0 -j ACCEPT
|
||||
iptables -A FORWARD -i tun0 -o $NIC -j ACCEPT
|
||||
iptables -A INPUT -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" > /etc/iptables/add-openvpn-rules.sh
|
||||
iptables -A INPUT -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" >/etc/iptables/add-openvpn-rules.sh
|
||||
|
||||
if [[ "$IPV6_SUPPORT" = 'y' ]]; then
|
||||
if [[ "$IPV6_SUPPORT" == 'y' ]]; then
|
||||
echo "ip6tables -t nat -A POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
|
||||
ip6tables -A INPUT -i tun0 -j ACCEPT
|
||||
ip6tables -A FORWARD -i $NIC -o tun0 -j ACCEPT
|
||||
ip6tables -A FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
|
||||
ip6tables -A FORWARD -i tun0 -o $NIC -j ACCEPT" >>/etc/iptables/add-openvpn-rules.sh
|
||||
fi
|
||||
|
||||
# Script to remove rules
|
||||
|
|
@ -875,13 +876,13 @@ iptables -t nat -D POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
|
|||
iptables -D INPUT -i tun0 -j ACCEPT
|
||||
iptables -D FORWARD -i $NIC -o tun0 -j ACCEPT
|
||||
iptables -D FORWARD -i tun0 -o $NIC -j ACCEPT
|
||||
iptables -D INPUT -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" > /etc/iptables/rm-openvpn-rules.sh
|
||||
iptables -D INPUT -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" >/etc/iptables/rm-openvpn-rules.sh
|
||||
|
||||
if [[ "$IPV6_SUPPORT" = 'y' ]]; then
|
||||
if [[ "$IPV6_SUPPORT" == 'y' ]]; then
|
||||
echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
|
||||
ip6tables -D INPUT -i tun0 -j ACCEPT
|
||||
ip6tables -D FORWARD -i $NIC -o tun0 -j ACCEPT
|
||||
ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
|
||||
ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT" >>/etc/iptables/rm-openvpn-rules.sh
|
||||
fi
|
||||
|
||||
chmod +x /etc/iptables/add-openvpn-rules.sh
|
||||
|
|
@ -900,7 +901,7 @@ ExecStop=/etc/iptables/rm-openvpn-rules.sh
|
|||
RemainAfterExit=yes
|
||||
|
||||
[Install]
|
||||
WantedBy=multi-user.target" > /etc/systemd/system/iptables-openvpn.service
|
||||
WantedBy=multi-user.target" >/etc/systemd/system/iptables-openvpn.service
|
||||
|
||||
# Enable service and apply rules
|
||||
systemctl daemon-reload
|
||||
|
|
@ -913,11 +914,11 @@ WantedBy=multi-user.target" > /etc/systemd/system/iptables-openvpn.service
|
|||
fi
|
||||
|
||||
# client-template.txt is created so we have a template to add further users later
|
||||
echo "client" > /etc/openvpn/client-template.txt
|
||||
if [[ "$PROTOCOL" = 'udp' ]]; then
|
||||
echo "proto udp" >> /etc/openvpn/client-template.txt
|
||||
elif [[ "$PROTOCOL" = 'tcp' ]]; then
|
||||
echo "proto tcp-client" >> /etc/openvpn/client-template.txt
|
||||
echo "client" >/etc/openvpn/client-template.txt
|
||||
if [[ "$PROTOCOL" == 'udp' ]]; then
|
||||
echo "proto udp" >>/etc/openvpn/client-template.txt
|
||||
elif [[ "$PROTOCOL" == 'tcp' ]]; then
|
||||
echo "proto tcp-client" >>/etc/openvpn/client-template.txt
|
||||
fi
|
||||
echo "remote $IP $PORT
|
||||
dev tun
|
||||
|
|
@ -934,18 +935,18 @@ tls-client
|
|||
tls-version-min 1.2
|
||||
tls-cipher $CC_CIPHER
|
||||
setenv opt block-outside-dns # Prevent Windows 10 DNS leak
|
||||
verb 3" >> /etc/openvpn/client-template.txt
|
||||
verb 3" >>/etc/openvpn/client-template.txt
|
||||
|
||||
if [[ $COMPRESSION_ENABLED == "y" ]]; then
|
||||
echo "compress $COMPRESSION_ALG" >> /etc/openvpn/client-template.txt
|
||||
fi
|
||||
if [[ $COMPRESSION_ENABLED == "y" ]]; then
|
||||
echo "compress $COMPRESSION_ALG" >>/etc/openvpn/client-template.txt
|
||||
fi
|
||||
|
||||
# Generate the custom client.ovpn
|
||||
newClient
|
||||
echo "If you want to add more clients, you simply need to run this script another time!"
|
||||
}
|
||||
|
||||
function newClient () {
|
||||
function newClient() {
|
||||
echo ""
|
||||
echo "Tell me a name for the client."
|
||||
echo "Use one word only, no special characters."
|
||||
|
|
@ -1019,7 +1020,7 @@ function newClient () {
|
|||
echo "</tls-auth>"
|
||||
;;
|
||||
esac
|
||||
} >> "$homeDir/$CLIENT.ovpn"
|
||||
} >>"$homeDir/$CLIENT.ovpn"
|
||||
|
||||
echo ""
|
||||
echo "Client $CLIENT added, the configuration file is available at $homeDir/$CLIENT.ovpn."
|
||||
|
|
@ -1028,9 +1029,9 @@ function newClient () {
|
|||
exit 0
|
||||
}
|
||||
|
||||
function revokeClient () {
|
||||
function revokeClient() {
|
||||
NUMBEROFCLIENTS=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep -c "^V")
|
||||
if [[ "$NUMBEROFCLIENTS" = '0' ]]; then
|
||||
if [[ "$NUMBEROFCLIENTS" == '0' ]]; then
|
||||
echo ""
|
||||
echo "You have no existing clients!"
|
||||
exit 1
|
||||
|
|
@ -1039,14 +1040,14 @@ function revokeClient () {
|
|||
echo ""
|
||||
echo "Select the existing client certificate you want to revoke"
|
||||
tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | nl -s ') '
|
||||
if [[ "$NUMBEROFCLIENTS" = '1' ]]; then
|
||||
if [[ "$NUMBEROFCLIENTS" == '1' ]]; then
|
||||
read -rp "Select one client [1]: " CLIENTNUMBER
|
||||
else
|
||||
read -rp "Select one client [1-$NUMBEROFCLIENTS]: " CLIENTNUMBER
|
||||
fi
|
||||
|
||||
CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
|
||||
cd /etc/openvpn/easy-rsa/
|
||||
cd /etc/openvpn/easy-rsa/ || exit
|
||||
./easyrsa --batch revoke "$CLIENT"
|
||||
EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
|
||||
# Cleanup
|
||||
|
|
@ -1064,7 +1065,7 @@ function revokeClient () {
|
|||
echo "Certificate for client $CLIENT revoked."
|
||||
}
|
||||
|
||||
function removeUnbound () {
|
||||
function removeUnbound() {
|
||||
# Remove OpenVPN-related config
|
||||
sed -i 's|include: \/etc\/unbound\/openvpn.conf||' /etc/unbound/unbound.conf
|
||||
rm /etc/unbound/openvpn.conf
|
||||
|
|
@ -1076,17 +1077,17 @@ function removeUnbound () {
|
|||
read -rp "Do you want to completely remove Unbound? [y/n]: " -e REMOVE_UNBOUND
|
||||
done
|
||||
|
||||
if [[ "$REMOVE_UNBOUND" = 'y' ]]; then
|
||||
if [[ "$REMOVE_UNBOUND" == 'y' ]]; then
|
||||
# Stop Unbound
|
||||
systemctl stop unbound
|
||||
|
||||
if [[ "$OS" =~ (debian|ubuntu) ]]; then
|
||||
apt-get autoremove --purge -y unbound
|
||||
elif [[ "$OS" = 'arch' ]]; then
|
||||
elif [[ "$OS" == 'arch' ]]; then
|
||||
pacman --noconfirm -R unbound
|
||||
elif [[ "$OS" = 'centos' ]]; then
|
||||
elif [[ "$OS" == 'centos' ]]; then
|
||||
yum remove -y unbound
|
||||
elif [[ "$OS" = 'fedora' ]]; then
|
||||
elif [[ "$OS" == 'fedora' ]]; then
|
||||
dnf remove -y unbound
|
||||
fi
|
||||
|
||||
|
|
@ -1100,10 +1101,10 @@ function removeUnbound () {
|
|||
fi
|
||||
}
|
||||
|
||||
function removeOpenVPN () {
|
||||
function removeOpenVPN() {
|
||||
echo ""
|
||||
read -rp "Do you really want to remove OpenVPN? [y/n]: " -e -i n REMOVE
|
||||
if [[ "$REMOVE" = 'y' ]]; then
|
||||
read -rp "Do you really want to remove OpenVPN? [y/n]: " -e -in REMOVE
|
||||
if [[ "$REMOVE" == 'y' ]]; then
|
||||
# Get OpenVPN port from the configuration
|
||||
PORT=$(grep '^port ' /etc/openvpn/server.conf | cut -d " " -f 2)
|
||||
|
||||
|
|
@ -1143,15 +1144,15 @@ function removeOpenVPN () {
|
|||
|
||||
if [[ "$OS" =~ (debian|ubuntu) ]]; then
|
||||
apt-get autoremove --purge -y openvpn
|
||||
if [[ -e /etc/apt/sources.list.d/openvpn.list ]];then
|
||||
if [[ -e /etc/apt/sources.list.d/openvpn.list ]]; then
|
||||
rm /etc/apt/sources.list.d/openvpn.list
|
||||
apt-get update
|
||||
fi
|
||||
elif [[ "$OS" = 'arch' ]]; then
|
||||
elif [[ "$OS" == 'arch' ]]; then
|
||||
pacman --noconfirm -R openvpn
|
||||
elif [[ "$OS" = 'centos' ]]; then
|
||||
elif [[ "$OS" == 'centos' ]]; then
|
||||
yum remove -y openvpn
|
||||
elif [[ "$OS" = 'fedora' ]]; then
|
||||
elif [[ "$OS" == 'fedora' ]]; then
|
||||
dnf remove -y openvpn
|
||||
fi
|
||||
|
||||
|
|
@ -1175,7 +1176,7 @@ function removeOpenVPN () {
|
|||
fi
|
||||
}
|
||||
|
||||
function manageMenu () {
|
||||
function manageMenu() {
|
||||
clear
|
||||
echo "Welcome to OpenVPN-install!"
|
||||
echo "The git repository is available at: https://github.com/angristan/openvpn-install"
|
||||
|
|
|
|||
Loading…
Reference in a new issue