mirror of
https://github.com/hwdsl2/wireguard-install.git
synced 2024-06-15 23:34:02 +02:00
Small style changes
This commit is contained in:
Nyr
parent
a6426a138e
commit
962862c332
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@ -6,7 +6,7 @@
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# Discard stdin. Needed when running from an one-liner which includes a newline
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read -N 999999999 -t 0.001
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read -N 999999 -t 0.001
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# Detect Debian users running the script with "sh" instead of bash
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if readlink /proc/$$/exe | grep -q "dash"; then
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@ -14,11 +14,6 @@ if readlink /proc/$$/exe | grep -q "dash"; then
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exit
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fi
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if [[ "$EUID" -ne 0 ]]; then
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echo "This installer needs to be run with superuser privileges."
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exit
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fi
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# Detect OpenVZ 6
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if [[ $(uname -r | cut -d "." -f 1) -eq 2 ]]; then
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echo "The system is running an old kernel, which is incompatible with this installer."
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@ -30,19 +25,15 @@ fi
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if grep -qs "ubuntu" /etc/os-release; then
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os="ubuntu"
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os_version=$(grep 'VERSION_ID' /etc/os-release | cut -d '"' -f 2 | tr -d '.')
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group_name="nogroup"
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elif [[ -e /etc/debian_version ]]; then
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os="debian"
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os_version=$(grep -oE '[0-9]+' /etc/debian_version | head -1)
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group_name="nogroup"
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elif [[ -e /etc/centos-release ]]; then
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os="centos"
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os_version=$(grep -oE '[0-9]+' /etc/centos-release | head -1)
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group_name="nobody"
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elif [[ -e /etc/fedora-release ]]; then
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os="fedora"
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os_version=$(grep -oE '[0-9]+' /etc/fedora-release | head -1)
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group_name="nobody"
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else
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echo "This installer seems to be running on an unsupported distribution.
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Supported distributions are Ubuntu, Debian, CentOS, and Fedora."
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@ -68,7 +59,7 @@ This version of CentOS is too old and unsupported."
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fi
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# Detect environments where $PATH does not include the sbin directories
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if ! grep -q sbin <<< $PATH; then
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if ! grep -q sbin <<< "$PATH"; then
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echo '$PATH does not include sbin. Try using "su -" instead of "su".'
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exit
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fi
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@ -82,6 +73,11 @@ Upgrade the kernel using "dnf upgrade kernel" and restart.'
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exit
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fi
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if [[ "$EUID" -ne 0 ]]; then
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echo "This installer needs to be run with superuser privileges."
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exit
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fi
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if [[ "$is_container" -eq 0 ]]; then
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if [ "$(uname -m)" != "x86_64" ]; then
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echo "In containerized systems, this installer supports only the x86_64 architecture.
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@ -145,12 +141,12 @@ new_client_setup () {
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# available octet. Important to start looking at 2, because 1 is our gateway.
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octet=2
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while grep AllowedIPs /etc/wireguard/wg0.conf | cut -d "." -f 4 | cut -d "/" -f 1 | grep -q "$octet"; do
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(( octet++ ))
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(( octet++ ))
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done
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# Don't break the WireGuard configuration in case the address space is full
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if [[ "$octet" -eq 255 ]]; then
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echo "253 clients are already configured. The WireGuard internal subnet is full!"
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exit
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echo "253 clients are already configured. The WireGuard internal subnet is full!"
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exit
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fi
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key=$(wg genkey)
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psk=$(wg genpsk)
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@ -206,8 +202,8 @@ if [[ ! -e /etc/wireguard/wg0.conf ]]; then
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get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$' <<< "$(wget -T 10 -t 1 -4qO- "http://ip1.dynupdate.no-ip.com/" || curl -m 10 -4Ls "http://ip1.dynupdate.no-ip.com/")")
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read -p "Public IPv4 address / hostname [$get_public_ip]: " public_ip
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# If the checkip service is unavailable and user didn't provide input, ask again
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until [[ -n "$get_public_ip" || -n $public_ip ]]; do
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echo "Invalid input."
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until [[ -n "$get_public_ip" || -n "$public_ip" ]]; do
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echo "Invalid input."
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read -p "Public IPv4 address / hostname: " public_ip
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done
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[[ -z "$public_ip" ]] && public_ip="$get_public_ip"
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@ -238,13 +234,21 @@ if [[ ! -e /etc/wireguard/wg0.conf ]]; then
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read -p "Port [51820]: " port
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done
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[[ -z "$port" ]] && port="51820"
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echo
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echo "Enter a name for the first client:"
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read -p "Name [client]: " unsanitized_client
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# Allow a limited set of characters to avoid conflicts
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
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[[ -z "$client" ]] && client="client"
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echo
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new_client_dns
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# Set up automatic updates for BoringTun if the user is fine with that
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if [[ "$is_container" -eq 0 ]]; then
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echo
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echo "BoringTun will be installed to set up WireGuard in the system."
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read -p "Should automatic updates be enabled for it? [Y/n]: " boringtun_updates
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until [[ "$boringtun_updates" =~ ^[yYnN]*$ ]]; do
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echo "$remove: invalid selection."
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echo
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echo "BoringTun will be installed to set up WireGuard in the system."
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read -p "Should automatic updates be enabled for it? [Y/n]: " boringtun_updates
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until [[ "$boringtun_updates" =~ ^[yYnN]*$ ]]; do
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echo "$remove: invalid selection."
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read -p "Should automatic updates be enabled for it? [Y/n]: " boringtun_updates
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done
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if [[ "$boringtun_updates" =~ ^[yY]*$ ]]; then
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@ -256,15 +260,7 @@ if [[ ! -e /etc/wireguard/wg0.conf ]]; then
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fi
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fi
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echo
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echo "Enter a name for the first client:"
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read -p "Name [client]: " unsanitized_client
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# Allow a limited set of characters to avoid conflicts
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
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[[ -z "$client" ]] && client="client"
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echo
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new_client_dns
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echo
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echo "WireGuard installation is ready to begin now."
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echo "WireGuard installation is ready to begin."
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# Install a firewall in the rare case where one is not already available
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if ! systemctl is-active --quiet firewalld.service && ! hash iptables 2>/dev/null; then
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if [[ "$os" == "centos" || "$os" == "fedora" ]]; then
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@ -312,7 +308,7 @@ fiJGS5WoFr1yr8b7oQxTrZlCeHk3r3FJIhv2dQ==
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if [[ "$os" == "ubuntu" && "$os_version" -ge 2004 ]]; then
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# Ubuntu 20.04 or higer
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apt-get update
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apt-get install -y wireguard qrencode $firewall
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apt-get install -y wireguard qrencode "$firewall"
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elif [[ "$os" == "ubuntu" && "$os_version" -eq 1804 ]]; then
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# Ubuntu 18.04
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# Repo is added manually so we don't depend on add-apt-repository.
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@ -326,21 +322,21 @@ fiJGS5WoFr1yr8b7oQxTrZlCeHk3r3FJIhv2dQ==
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apt-get update
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# Try to install kernel headers for the running kernel and avoid a reboot. This
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# can fail, so it's important to run separately from the other apt-get command.
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apt-get install -y linux-headers-$(uname -r)
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apt-get install -y linux-headers-"$(uname -r)"
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# linux-headers-generic points to the latest headers. We install it because if
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# the system has an outdated kernel, there is no guarantee that old headers were
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# still downloadable and to provide suitable headers for future kernel updates.
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apt-get install -y linux-headers-generic
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apt-get install -y wireguard qrencode $firewall
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apt-get install -y wireguard qrencode "$firewall"
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elif [[ "$os" == "debian" && "$os_version" -eq 10 ]]; then
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# Debian 10
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if ! grep -qs '^deb .* buster-backports main' /etc/apt/sources.list /etc/apt/sources.list.d/*.list; then
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echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list
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echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list
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fi
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apt-get update
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# Try to install kernel headers for the running kernel and avoid a reboot. This
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# can fail, so it's important to run separately from the other apt-get command.
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apt-get install -y linux-headers-$(uname -r)
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apt-get install -y linux-headers-"$(uname -r)"
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# There are cleaner ways to find out the $architecture, but we require an
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# specific format for the package name and this approach provides what we need.
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architecture=$(dpkg --get-selections 'linux-image-*-*' | cut -f 1 | grep -oE '[^-]*$' -m 1)
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@ -349,21 +345,21 @@ fiJGS5WoFr1yr8b7oQxTrZlCeHk3r3FJIhv2dQ==
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# headers were still downloadable and to provide suitable headers for future
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# kernel updates.
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apt-get install -y linux-headers-"$architecture"
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apt-get install -y wireguard qrencode $firewall
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apt-get install -y wireguard qrencode "$firewall"
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elif [[ "$os" == "centos" && "$os_version" -eq 8 ]]; then
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# CentOS 8
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dnf install -y epel-release elrepo-release
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dnf install -y kmod-wireguard wireguard-tools qrencode $firewall
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dnf install -y kmod-wireguard wireguard-tools qrencode "$firewall"
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mkdir -p /etc/wireguard/
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elif [[ "$os" == "centos" && "$os_version" -eq 7 ]]; then
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# CentOS 7
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yum install -y epel-release https://www.elrepo.org/elrepo-release-7.el7.elrepo.noarch.rpm
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yum install -y yum-plugin-elrepo
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yum install -y kmod-wireguard wireguard-tools qrencode $firewall
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yum install -y kmod-wireguard wireguard-tools qrencode "$firewall"
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mkdir -p /etc/wireguard/
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elif [[ "$os" == "fedora" ]]; then
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# Fedora
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dnf install -y wireguard-tools qrencode $firewall
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dnf install -y wireguard-tools qrencode "$firewall"
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mkdir -p /etc/wireguard/
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fi
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# Else, we are inside a container and BoringTun needs to be used
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@ -372,7 +368,7 @@ fiJGS5WoFr1yr8b7oQxTrZlCeHk3r3FJIhv2dQ==
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if [[ "$os" == "ubuntu" && "$os_version" -ge 2004 ]]; then
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# Ubuntu 20.04 or higer
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apt-get update
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apt-get install -y wireguard-tools qrencode ca-certificates $cron $firewall
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apt-get install -y wireguard-tools qrencode ca-certificates "$cron" "$firewall"
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elif [[ "$os" == "ubuntu" && "$os_version" -eq 1804 ]]; then
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# Ubuntu 18.04
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# Repo is added manually so we don't depend on add-apt-repository.
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@ -384,29 +380,29 @@ fiJGS5WoFr1yr8b7oQxTrZlCeHk3r3FJIhv2dQ==
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apt-key add - <<< "$ppa_key"
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echo "deb http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic main" > /etc/apt/sources.list.d/wireguard-ubuntu-wireguard-bionic.list
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apt-get update
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apt-get install -y qrencode ca-certificates $cron $firewall
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apt-get install -y wireguard-tools --no-install-recommends
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apt-get install -y qrencode ca-certificates "$cron" "$firewall"
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apt-get install -y wireguard-tools --no-install-recommends
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elif [[ "$os" == "debian" && "$os_version" -eq 10 ]]; then
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# Debian 10
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if ! grep -qs '^deb .* buster-backports main' /etc/apt/sources.list /etc/apt/sources.list.d/*.list; then
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echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list
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echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list
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fi
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apt-get update
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apt-get install -y qrencode ca-certificates $cron $firewall
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apt-get install -y wireguard-tools --no-install-recommends
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apt-get install -y qrencode ca-certificates "$cron" "$firewall"
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apt-get install -y wireguard-tools --no-install-recommends
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elif [[ "$os" == "centos" && "$os_version" -eq 8 ]]; then
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# CentOS 8
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dnf install -y epel-release
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dnf install -y wireguard-tools qrencode ca-certificates tar $cron $firewall
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dnf install -y wireguard-tools qrencode ca-certificates tar "$cron" "$firewall"
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mkdir -p /etc/wireguard/
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elif [[ "$os" == "centos" && "$os_version" -eq 7 ]]; then
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# CentOS 7
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yum install -y epel-release
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yum install -y wireguard-tools qrencode ca-certificates tar $cron $firewall
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yum install -y wireguard-tools qrencode ca-certificates tar "$cron" "$firewall"
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mkdir -p /etc/wireguard/
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elif [[ "$os" == "fedora" ]]; then
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# Fedora
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dnf install -y wireguard-tools qrencode ca-certificates tar $cron $firewall
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dnf install -y wireguard-tools qrencode ca-certificates tar "$cron" "$firewall"
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mkdir -p /etc/wireguard/
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fi
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# Grab the BoringTun binary using wget or curl and extract into the right place.
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@ -470,7 +466,7 @@ EOF
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ip6tables_path=$(command -v ip6tables)
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# nf_tables is not available as standard in OVZ kernels. So use iptables-legacy
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# if we are in OVZ, with a nf_tables backend and iptables-legacy is available.
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if [[ $(systemd-detect-virt) == "openvz" ]] && readlink -f $(command -v iptables) | grep -q "nft" && hash iptables-legacy 2>/dev/null; then
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if [[ $(systemd-detect-virt) == "openvz" ]] && readlink -f "$(command -v iptables)" | grep -q "nft" && hash iptables-legacy 2>/dev/null; then
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iptables_path=$(command -v iptables-legacy)
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ip6tables_path=$(command -v ip6tables-legacy)
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fi
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@ -544,17 +540,17 @@ EOF
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# If the kernel module didn't load, system probably had an outdated kernel
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# We'll try to help, but will not will not force a kernel upgrade upon the user
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if [[ ! "$is_container" -eq 0 ]] && ! modprobe -nq wireguard; then
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echo "Warning!"
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echo "Installation was finished, but the WireGuard kernel module could not load."
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if [[ "$os" == "ubuntu" && "$os_version" -eq 1804 ]]; then
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echo 'Upgrade the kernel and headers with "apt-get install linux-generic" and restart.'
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elif [[ "$os" == "debian" && "$os_version" -eq 10 ]]; then
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echo "Upgrade the kernel with \"apt-get install linux-image-$architecture\" and restart."
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elif [[ "$os" == "centos" && "$os_version" -le 8 ]]; then
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echo "Warning!"
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echo "Installation was finished, but the WireGuard kernel module could not load."
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if [[ "$os" == "ubuntu" && "$os_version" -eq 1804 ]]; then
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echo 'Upgrade the kernel and headers with "apt-get install linux-generic" and restart.'
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elif [[ "$os" == "debian" && "$os_version" -eq 10 ]]; then
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echo "Upgrade the kernel with \"apt-get install linux-image-$architecture\" and restart."
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elif [[ "$os" == "centos" && "$os_version" -le 8 ]]; then
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echo "Reboot the system to load the most recent kernel."
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fi
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fi
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else
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echo "Finished!"
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echo "Finished!"
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fi
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echo
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echo "The client configuration is available in:" ~/"$client.conf"
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@ -564,8 +560,8 @@ else
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echo "WireGuard is already installed."
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echo
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echo "Select an option:"
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echo " 1) Add a new user"
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echo " 2) Remove an existing user"
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echo " 1) Add a new client"
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echo " 2) Remove an existing client"
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echo " 3) Remove WireGuard"
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echo " 4) Exit"
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read -p "Option: " option
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@ -580,7 +576,7 @@ else
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read -p "Name: " unsanitized_client
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# Allow a limited set of characters to avoid conflicts
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
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while [[ -z "$client" || -n $(grep "^# BEGIN_PEER $client$" /etc/wireguard/wg0.conf) ]]; do
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while [[ -z "$client" ]] || grep -q "^# BEGIN_PEER $client$" /etc/wireguard/wg0.conf; do
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echo "$client: invalid name."
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read -p "Name: " unsanitized_client
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client=$(sed 's/[^0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-]/_/g' <<< "$unsanitized_client")
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@ -624,7 +620,7 @@ else
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if [[ "$remove" =~ ^[yY]$ ]]; then
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# The following is the right way to avoid disrupting other active connections:
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# Remove from the live interface
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wg set wg0 peer $(sed -n "/^# BEGIN_PEER $client$/,\$p" /etc/wireguard/wg0.conf | grep -m 1 PublicKey | cut -d " " -f 3) remove
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wg set wg0 peer "$(sed -n "/^# BEGIN_PEER $client$/,\$p" /etc/wireguard/wg0.conf | grep -m 1 PublicKey | cut -d " " -f 3)" remove
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# Remove from the configuration file
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sed -i "/^# BEGIN_PEER $client/,/^# END_PEER $client/d" /etc/wireguard/wg0.conf
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echo
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@ -725,7 +721,7 @@ else
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rm -rf /etc/wireguard/
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dnf remove -y wireguard-tools
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fi
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rm -f /usr/local/sbin/boringtun /usr/local/sbin/boringtun-upgrade
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rm -f /usr/local/sbin/boringtun /usr/local/sbin/boringtun-upgrade
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fi
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echo
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echo "WireGuard removed!"
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