Marown/wireguard-install
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Cleanup

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This commit is contained in:
hwdsl2 2022-10-01 23:28:19 -05:00
parent f2a0815898
commit 9e4fced00b
1 changed files with 12 additions and 12 deletions
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24
wireguard-install.sh
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@ -32,16 +32,6 @@ check_ip() {
printf '%s' "$1" | tr -d '\n' | grep -Eq "$IP_REGEX"
}
find_public_ip() {
ip_url1="http://ipv4.icanhazip.com"
ip_url2="http://ip1.dynupdate.no-ip.com"
# Get public IP and sanitize with grep
get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}(\.[0-9]{1,3}){3}$' <<< "$(wget -T 10 -t 1 -4qO- "$ip_url1" || curl -m 10 -4Ls "$ip_url1")")
if [ -z "$get_public_ip" ]; then
get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}(\.[0-9]{1,3}){3}$' <<< "$(wget -T 10 -t 1 -4qO- "$ip_url2" || curl -m 10 -4Ls "$ip_url2")")
fi
}
abort_and_exit() {
echo "Abort. No changes were made." >&2
exit 1
@ -59,6 +49,16 @@ get_export_dir() {
fi
}
find_public_ip() {
ip_url1="http://ipv4.icanhazip.com"
ip_url2="http://ip1.dynupdate.no-ip.com"
# Get public IP and sanitize with grep
get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}(\.[0-9]{1,3}){3}$' <<< "$(wget -T 10 -t 1 -4qO- "$ip_url1" || curl -m 10 -4Ls "$ip_url1")")
if ! check_ip "$get_public_ip"; then
get_public_ip=$(grep -m 1 -oE '^[0-9]{1,3}(\.[0-9]{1,3}){3}$' <<< "$(wget -T 10 -t 1 -4qO- "$ip_url2" || curl -m 10 -4Ls "$ip_url2")")
fi
}
update_sysctl() {
# Enable net.ipv4.ip_forward for the system
echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/99-wireguard-forward.conf
@ -270,6 +270,7 @@ if systemd-detect-virt -cq 2>/dev/null; then
exit 1
fi
auto=0
if [[ ! -e /etc/wireguard/wg0.conf ]]; then
if [ "$os" = "centos" ]; then
if grep -qs "hwdsl2 VPN script" /etc/sysconfig/nftables.conf \
@ -278,7 +279,6 @@ if [[ ! -e /etc/wireguard/wg0.conf ]]; then
exit 1
fi
fi
auto=0
while [ "$#" -gt 0 ]; do
case $1 in
--auto)
@ -354,7 +354,7 @@ if [[ ! -e /etc/wireguard/wg0.conf ]]; then
# If $ip is a private IP address, the server must be behind NAT
if printf '%s' "$ip" | grep -qE '^(10|127|172\.(1[6-9]|2[0-9]|3[0-1])|192\.168|169\.254)\.'; then
find_public_ip
if [ -z "$get_public_ip" ]; then
if ! check_ip "$get_public_ip"; then
if [ "$auto" = 0 ]; then
echo
echo "This server is behind NAT. What is the public IPv4 address?"