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feat: public ip as a function

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ralphg6 2024-08-10 17:22:44 -03:00
parent d7cba3c2dc
commit de65f02994
1 changed files with 44 additions and 37 deletions
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81
openvpn-install.sh
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@ -216,6 +216,45 @@ access-control: fd42:42:42:42::/112 allow' >>/etc/unbound/openvpn.conf
systemctl restart unbound systemctl restart unbound
} }
function resolvePublicIP() {
# IP version flags, we'll use as default the IPv4
CURL_IP_VERSION_FLAG="-4"
DIG_IP_VERSION_FLAG="-4"
# Behind NAT, we'll default to the publicly reachable IPv4/IPv6.
if [[ $IPV6_SUPPORT == "y" ]]; then
CURL_IP_VERSION_FLAG=""
DIG_IP_VERSION_FLAG="-6"
fi
# If there is no public ip yet, we'll try to solve it using: https://ip.seeip.org
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(curl -f -m 5 -sS --retry 5 --retry-connrefused $CURL_IP_VERSION_FLAG https://ip.seeip.org 2>/dev/null)
fi
# If there is no public ip yet, we'll try to solve it using: https://ifconfig.me
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(curl -f -m 5 -sS --retry 5 --retry-connrefused $CURL_IP_VERSION_FLAG https://ifconfig.me 2>/dev/null)
fi
# If there is no public ip yet, we'll try to solve it using: https://api.ipify.org
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(curl -f -m 5 -sS --retry 5 --retry-connrefused $CURL_IP_VERSION_FLAG https://api.ipify.org 2>/dev/null)
fi
# If there is no public ip yet, we'll try to solve it using: ns1.google.com
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(dig $DIG_IP_VERSION_FLAG TXT +short o-o.myaddr.l.google.com @ns1.google.com | tr -d '"')
fi
if [[ -z $PUBLIC_IP ]]; then
>&2 echo "Couldn't solve the public IP"
exit 1
fi
echo "$PUBLIC_IP"
}
function installQuestions() { function installQuestions() {
echo "Welcome to the OpenVPN installer!" echo "Welcome to the OpenVPN installer!"
echo "The git repository is available at: https://github.com/angristan/openvpn-install" echo "The git repository is available at: https://github.com/angristan/openvpn-install"
@ -244,9 +283,9 @@ function installQuestions() {
echo "It seems this server is behind NAT. What is its public IPv4 address or hostname?" echo "It seems this server is behind NAT. What is its public IPv4 address or hostname?"
echo "We need it for the clients to connect to the server." echo "We need it for the clients to connect to the server."
PUBLICIP=$(curl -s https://api.ipify.org)
until [[ $ENDPOINT != "" ]]; do until [[ $ENDPOINT != "" ]]; do
read -rp "Public IPv4 address or hostname: " -e -i "$PUBLICIP" ENDPOINT PUBLIC_IP=$(resolvePublicIP)
read -rp "Public IPv4 address or hostname: " -e -i "$PUBLIC_IP" ENDPOINT
done done
fi fi
@ -625,41 +664,9 @@ function installOpenVPN() {
PASS=${PASS:-1} PASS=${PASS:-1}
CONTINUE=${CONTINUE:-y} CONTINUE=${CONTINUE:-y}
if [[ -z $ENDPOINT ]]; then until [[ $ENDPOINT != "" ]]; do
ENDPOINT=$(resolvePublicIP)
# IP version flags, we'll use as default the IPv4 done
CURL_IP_VERSION_FLAG="-4"
DIG_IP_VERSION_FLAG="-4"
# Behind NAT, we'll default to the publicly reachable IPv4/IPv6.
if [[ $IPV6_SUPPORT == "y" ]]; then
CURL_IP_VERSION_FLAG=""
DIG_IP_VERSION_FLAG="-6"
fi
# If there is no public ip yet, we'll try to solve it using: https://ip.seeip.org
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(curl -f -m 5 -sS --retry 5 --retry-connrefused $CURL_IP_VERSION_FLAG https://ip.seeip.org 2>/dev/null)
fi
# If there is no public ip yet, we'll try to solve it using: https://ifconfig.me
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(curl -f -m 5 -sS --retry 5 --retry-connrefused $CURL_IP_VERSION_FLAG https://ifconfig.me 2>/dev/null)
fi
# If there is no public ip yet, we'll try to solve it using: https://api.ipify.org
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(curl -f -m 5 -sS --retry 5 --retry-connrefused $CURL_IP_VERSION_FLAG https://api.ipify.org 2>/dev/null)
fi
# If there is no public ip yet, we'll try to solve it using: ns1.google.com
if [[ -z $PUBLIC_IP ]]; then
PUBLIC_IP=$(dig $DIG_IP_VERSION_FLAG TXT +short o-o.myaddr.l.google.com @ns1.google.com | tr -d '"')
fi
fi
ENDPOINT=${ENDPOINT:-$PUBLIC_IP}
fi fi
# Run setup questions first, and set other variables if auto-install # Run setup questions first, and set other variables if auto-install