Bernhard.Linz/openvpn-install
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Install iptables systemd service for Debian, Ubuntu and Centos. Fix iptables install for ArchLinux.

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DrXala 2017-07-16 12:55:09 +02:00
parent c703d41795
commit 1be7733c0b
1 changed files with 66 additions and 1 deletions
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67
openvpn-install.sh
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@ -23,6 +23,7 @@ if [[ -e /etc/debian_version ]]; then
OS="debian" OS="debian"
# Getting the version number, to verify that a recent version of OpenVPN is available # Getting the version number, to verify that a recent version of OpenVPN is available
VERSION_ID=$(cat /etc/os-release | grep "VERSION_ID") VERSION_ID=$(cat /etc/os-release | grep "VERSION_ID")
IPTABLES='/etc/iptables/iptables.rules'
RCLOCAL='/etc/rc.local' RCLOCAL='/etc/rc.local'
SYSCTL='/etc/sysctl.conf' SYSCTL='/etc/sysctl.conf'
if [[ "$VERSION_ID" != 'VERSION_ID="7"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="8"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="9"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="12.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="14.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.10"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="17.04"' ]]; then if [[ "$VERSION_ID" != 'VERSION_ID="7"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="8"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="9"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="12.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="14.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.04"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="16.10"' ]] && [[ "$VERSION_ID" != 'VERSION_ID="17.04"' ]]; then
@ -42,12 +43,14 @@ if [[ -e /etc/debian_version ]]; then
fi fi
elif [[ -e /etc/centos-release || -e /etc/redhat-release ]]; then elif [[ -e /etc/centos-release || -e /etc/redhat-release ]]; then
OS=centos OS=centos
IPTABLES='/etc/iptables/iptables.rules'
RCLOCAL='/etc/rc.d/rc.local' RCLOCAL='/etc/rc.d/rc.local'
SYSCTL='/etc/sysctl.conf' SYSCTL='/etc/sysctl.conf'
# Needed for CentOS 7 # Needed for CentOS 7
chmod +x /etc/rc.d/rc.local chmod +x /etc/rc.d/rc.local
elif [[ -e /etc/arch-release ]]; then elif [[ -e /etc/arch-release ]]; then
OS=arch OS=arch
IPTABLES='/etc/iptables/iptables.rules'
RCLOCAL='/etc/rc.local' RCLOCAL='/etc/rc.local'
SYSCTL='/etc/sysctl.d/openvpn.conf' SYSCTL='/etc/sysctl.d/openvpn.conf'
else else
@ -338,9 +341,71 @@ else
# Ubuntu >= 16.04 and Debian > 8 have OpenVPN > 2.3.3 without the need of a third party repository. # Ubuntu >= 16.04 and Debian > 8 have OpenVPN > 2.3.3 without the need of a third party repository.
# The we install OpenVPN # The we install OpenVPN
apt-get install openvpn iptables openssl wget ca-certificates curl -y apt-get install openvpn iptables openssl wget ca-certificates curl -y
# Install iptables service
if [[ ! -e /etc/systemd/system/iptables.service ]]; then
mkdir /etc/iptables
iptables-save > /etc/iptables/iptables.rules
echo "#!/bin/sh
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT" > /etc/iptables/flush-iptables.sh
chmod +x /etc/iptables/flush-iptables.sh
echo "[Unit]
Description=Packet Filtering Framework
DefaultDependencies=no
After=systemd-sysctl.service
Before=sysinit.target
[Service]
Type=oneshot
ExecStart=/sbin/iptables-restore < /etc/iptables/iptables.rules
ExecReload=/sbin/iptables-restore < /etc/iptables/iptables.rules
ExecStop=/etc/iptables/flush-iptables.sh
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
systemctl daemon-reload
systemctl enable iptables.service
fi
elif [[ "$OS" = 'centos' ]]; then elif [[ "$OS" = 'centos' ]]; then
yum install epel-release -y yum install epel-release -y
yum install openvpn iptables openssl wget ca-certificates curl -y yum install openvpn iptables openssl wget ca-certificates curl -y
# Install iptables service
if [[ ! -e /etc/systemd/system/iptables.service ]]; then
mkdir /etc/iptables
iptables-save > /etc/iptables/iptables.rules
echo "#!/bin/sh
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT" > /etc/iptables/flush-iptables.sh
chmod +x /etc/iptables/flush-iptables.sh
echo "[Unit]
Description=Packet Filtering Framework
DefaultDependencies=no
After=systemd-sysctl.service
Before=sysinit.target
[Service]
Type=oneshot
ExecStart=/sbin/iptables-restore < /etc/iptables/iptables.rules
ExecReload=/sbin/iptables-restore < /etc/iptables/iptables.rules
ExecStop=/etc/iptables/flush-iptables.sh
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target" > /etc/systemd/system/iptables.service
systemctl daemon-reload
systemctl enable iptables.service
fi
else else
# Else, the distro is ArchLinux # Else, the distro is ArchLinux
echo "" echo ""
@ -379,7 +444,7 @@ WantedBy=multi-user.target" > /etc/systemd/system/rc-local.service
# Install dependencies # Install dependencies
pacman -Syu openvpn iptables openssl wget ca-certificates curl --needed --noconfirm pacman -Syu openvpn iptables openssl wget ca-certificates curl --needed --noconfirm
if [[ "$OS" = 'arch' ]]; then if [[ "$OS" = 'arch' ]]; then
touch /etc/iptables/iptables.rules # iptables won't start if this file does not exist iptables-save > /etc/iptables/iptables.rules # iptables won't start if this file does not exist
systemctl enable iptables systemctl enable iptables
systemctl start iptables systemctl start iptables
fi fi