mirror of
https://github.com/pivpn/pivpn.git
synced 2024-12-23 21:30:15 +00:00
344 lines
8.9 KiB
Bash
Executable file
344 lines
8.9 KiB
Bash
Executable file
#!/bin/bash
|
|
|
|
PLAT="$(grep -sEe '^NAME\=' /etc/os-release |
|
|
sed -E -e "s/NAME\=[\'\"]?([^ ]*).*/\1/")"
|
|
|
|
# dual protocol, VPN type supplied as $1
|
|
VPN="${1}"
|
|
setupVars="/etc/pivpn/${VPN}/setupVars.conf"
|
|
ERR=0
|
|
|
|
err() {
|
|
echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $*" >&2
|
|
}
|
|
|
|
if [[ ! -f "${setupVars}" ]]; then
|
|
err "::: Missing setup vars file!"
|
|
exit 1
|
|
fi
|
|
|
|
# SC1090 disabled as setupVars file differs from system to system
|
|
# shellcheck disable=SC1090
|
|
source "${setupVars}"
|
|
|
|
if [[ "${VPN}" == "wireguard" ]]; then
|
|
VPN_PRETTY_NAME="WireGuard"
|
|
VPN_SERVICE="wg-quick@wg0"
|
|
|
|
if [[ "${PLAT}" == 'Alpine' ]]; then
|
|
VPN_SERVICE='wg-quick'
|
|
fi
|
|
elif [[ "${VPN}" == "openvpn" ]]; then
|
|
VPN_SERVICE="openvpn"
|
|
VPN_PRETTY_NAME="OpenVPN"
|
|
fi
|
|
|
|
if [[ "$(< /proc/sys/net/ipv4/ip_forward)" -eq 1 ]]; then
|
|
echo ":: [OK] IP forwarding is enabled"
|
|
else
|
|
ERR=1
|
|
read \
|
|
-r \
|
|
-p ":: [ERR] IP forwarding is not enabled, attempt fix now? [Y/n] " \
|
|
REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
sed -i '/net.ipv4.ip_forward=1/s/^#//g' /etc/sysctl.conf
|
|
sysctl -p
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
|
|
if [[ "${USING_UFW}" -eq 0 ]]; then
|
|
# Disabled SC Warnings for SC2154, values
|
|
# for variables are sourced from setupVars
|
|
# shellcheck disable=SC2154
|
|
if iptables \
|
|
-t nat \
|
|
-C POSTROUTING \
|
|
-s "${pivpnNET}/${subnetClass}" \
|
|
-o "${IPv4dev}" \
|
|
-j MASQUERADE \
|
|
-m comment \
|
|
--comment "${VPN}-nat-rule" &> /dev/null; then
|
|
echo ":: [OK] Iptables MASQUERADE rule set"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] Iptables MASQUERADE rule is not set, "
|
|
echo -n "attempt fix now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
iptables \
|
|
-t nat \
|
|
-I POSTROUTING \
|
|
-s "${pivpnNET}/${subnetClass}" \
|
|
-o "${IPv4dev}" \
|
|
-j MASQUERADE \
|
|
-m comment \
|
|
--comment "${VPN}-nat-rule"
|
|
|
|
iptables-save > /etc/iptables/rules.v4
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
|
|
if [[ "${INPUT_CHAIN_EDITED}" -eq 1 ]]; then
|
|
# Disabled SC Warnings for SC2154, values
|
|
# for variables are sourced from setupVars
|
|
# shellcheck disable=SC2154
|
|
if iptables \
|
|
-C INPUT \
|
|
-i "${IPv4dev}" \
|
|
-p "${pivpnPROTO}" \
|
|
--dport "${pivpnPORT}" \
|
|
-j ACCEPT \
|
|
-m comment \
|
|
--comment "${VPN}-input-rule" &> /dev/null; then
|
|
echo ":: [OK] Iptables INPUT rule set"
|
|
else
|
|
ERR=1
|
|
read \
|
|
-r \
|
|
-p ":: [ERR] Iptables INPUT rule is not set, attempt fix now? [Y/n] " \
|
|
REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
iptables \
|
|
-I INPUT 1 \
|
|
-i "${IPv4dev}" \
|
|
-p "${pivpnPROTO}" \
|
|
--dport "${pivpnPORT}" \
|
|
-j ACCEPT \
|
|
-m comment \
|
|
--comment "${VPN}-input-rule"
|
|
|
|
iptables-save > /etc/iptables/rules.v4
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [[ "${FORWARD_CHAIN_EDITED}" -eq 1 ]]; then
|
|
# Disabled SC Warnings for SC2154, values
|
|
# for variables are sourced from setupVars
|
|
# shellcheck disable=SC2154
|
|
if iptables \
|
|
-C FORWARD \
|
|
-s "${pivpnNET}/${subnetClass}" \
|
|
-i "${pivpnDEV}" \
|
|
-o "${IPv4dev}" \
|
|
-j ACCEPT \
|
|
-m comment \
|
|
--comment "${VPN}-forward-rule" &> /dev/null; then
|
|
echo ":: [OK] Iptables FORWARD rule set"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] Iptables FORWARD rule is not set, "
|
|
echo -n "attempt fix now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
iptables \
|
|
-I FORWARD 1 \
|
|
-d "${pivpnNET}/${subnetClass}" \
|
|
-i "${IPv4dev}" \
|
|
-o "${pivpnDEV}" \
|
|
-m conntrack \
|
|
--ctstate RELATED,ESTABLISHED \
|
|
-j ACCEPT \
|
|
-m comment \
|
|
--comment "${VPN}-forward-rule"
|
|
|
|
iptables \
|
|
-I FORWARD 2 \
|
|
-s "${pivpnNET}/${subnetClass}" \
|
|
-i "${pivpnDEV}" \
|
|
-o "${IPv4dev}" \
|
|
-j ACCEPT \
|
|
-m comment \
|
|
--comment "${VPN}-forward-rule"
|
|
|
|
iptables-save > /etc/iptables/rules.v4
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
fi
|
|
else
|
|
if LANG="en_US.UTF-8" ufw status | grep -qw 'active'; then
|
|
echo ":: [OK] Ufw is enabled"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] Ufw is not enabled, "
|
|
echo -n "try to enable now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
ufw enable
|
|
fi
|
|
fi
|
|
|
|
if iptables \
|
|
-t nat \
|
|
-C POSTROUTING \
|
|
-s "${pivpnNET}/${subnetClass}" \
|
|
-o "${IPv4dev}" \
|
|
-j MASQUERADE \
|
|
-m comment \
|
|
--comment "${VPN}-nat-rule" &> /dev/null; then
|
|
echo ":: [OK] Iptables MASQUERADE rule set"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] Iptables MASQUERADE rule is not set, "
|
|
echo -n "attempt fix now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
sed_pattern='/delete these required/i'
|
|
sed_pattern="${sed_pattern} *nat\n:POSTROUTING ACCEPT [0:0]\n"
|
|
sed_pattern="${sed_pattern} -I POSTROUTING"
|
|
sed_pattern="${sed_pattern} -s ${pivpnNET}/${subnetClass}"
|
|
sed_pattern="${sed_pattern} -o ${IPv4dev}"
|
|
sed_pattern="${sed_pattern} -j MASQUERADE"
|
|
sed_pattern="${sed_pattern} -m comment"
|
|
sed_pattern="${sed_pattern} --comment ${VPN}-nat-rule\n"
|
|
sed_pattern="${sed_pattern}COMMIT\n"
|
|
|
|
sed "${sed_pattern}" -i /etc/ufw/before.rules
|
|
ufw reload
|
|
echo "Done"
|
|
unset sed_pattern
|
|
fi
|
|
fi
|
|
|
|
if iptables \
|
|
-C ufw-user-input \
|
|
-p "${pivpnPROTO}" \
|
|
--dport "${pivpnPORT}" \
|
|
-j ACCEPT &> /dev/null; then
|
|
echo ":: [OK] Ufw input rule set"
|
|
else
|
|
ERR=1
|
|
read \
|
|
-r \
|
|
-p ":: [ERR] Ufw input rule is not set, attempt fix now? [Y/n] " \
|
|
REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
ufw insert 1 allow "${pivpnPORT}"/"${pivpnPROTO}"
|
|
ufw reload
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
|
|
if iptables \
|
|
-C ufw-user-forward \
|
|
-i "${pivpnDEV}" \
|
|
-o "${IPv4dev}" \
|
|
-s "${pivpnNET}/${subnetClass}" \
|
|
-j ACCEPT &> /dev/null; then
|
|
echo ":: [OK] Ufw forwarding rule set"
|
|
else
|
|
ERR=1
|
|
read \
|
|
-r \
|
|
-p ":: [ERR] Ufw forwarding rule is not set, attempt fix now? [Y/n] " \
|
|
REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
ufw route insert 1 allow in on "${pivpnDEV}" \
|
|
from "${pivpnNET}/${subnetClass}" out on "${IPv4dev}" to any
|
|
ufw reload
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [[ "${PLAT}" == 'Alpine' ]]; then
|
|
if [[ "$(rc-service "${VPN_SERVICE}" status |
|
|
sed -E -e 's/.*status\: (.*)/\1/')" == 'started' ]]; then
|
|
echo ":: [OK] ${VPN_PRETTY_NAME} is running"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] ${VPN_PRETTY_NAME} is not running, "
|
|
echo -n "try to start now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
rc-service -s "${VPN_SERVICE}" restart
|
|
rc-service -N "${VPN_SERVICE}" start
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
|
|
if rc-update show default |
|
|
grep -sEe "\s*${VPN_SERVICE} .*" &> /dev/null; then
|
|
echo -n ":: [OK] ${VPN_PRETTY_NAME} is enabled "
|
|
echo "(it will automatically start on reboot)"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] ${VPN_PRETTY_NAME} is not enabled, "
|
|
echo -n "try to enable now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
rc-update add "${VPN_SERVICE}" default
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
else
|
|
if systemctl is-active -q "${VPN_SERVICE}"; then
|
|
echo ":: [OK] ${VPN_PRETTY_NAME} is running"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] ${VPN_PRETTY_NAME} is not running, "
|
|
echo -n "try to start now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
systemctl start "${VPN_SERVICE}"
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
|
|
if systemctl is-enabled -q "${VPN_SERVICE}"; then
|
|
echo ":: [OK] ${VPN_PRETTY_NAME} is enabled "
|
|
echo "(it will automatically start on reboot)"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] ${VPN_PRETTY_NAME} is not enabled, "
|
|
echo -n "try to enable now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
systemctl enable "${VPN_SERVICE}"
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# grep -w (whole word) is used so port 11940 won't match when looking for 1194
|
|
if netstat -antu | grep -wqE "${pivpnPROTO}.*${pivpnPORT}"; then
|
|
echo -n ":: [OK] ${VPN_PRETTY_NAME} is listening "
|
|
echo "on port ${pivpnPORT}/${pivpnPROTO}"
|
|
else
|
|
ERR=1
|
|
echo -n ":: [ERR] ${VPN_PRETTY_NAME} is not listening, "
|
|
echo -n "try to restart now? [Y/n] "
|
|
read -r REPLY
|
|
|
|
if [[ "${REPLY}" =~ ^[Yy]$ ]] || [[ -z "${REPLY}" ]]; then
|
|
if [[ "${PLAT}" == 'Alpine' ]]; then
|
|
rc-service -s "${VPN_SERVICE}" restart
|
|
rc-service -N "${VPN_SERVICE}" start
|
|
else
|
|
systemctl restart "${VPN_SERVICE}"
|
|
fi
|
|
|
|
echo "Done"
|
|
fi
|
|
fi
|
|
|
|
if [[ "${ERR}" -eq 1 ]]; then
|
|
echo -e "[INFO] Run \e[1mpivpn -d\e[0m again to see if we detect issues"
|
|
fi
|