angristan
parent
ca3198d521
commit
80c0b971d6
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@ -153,7 +153,7 @@ function installOpenVPN () {
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# Detect public IPv4 address and pre-fill for the user
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IP=$(ip addr | grep 'inet' | grep -v inet6 | grep -vE '127\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | head -1)
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read -rp "IP address: " -e -i $IP IP
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read -rp "IP address: " -e -i "$IP" IP
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# If $IP is a private IP address, the server must be behind NAT
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if echo "$IP" | grep -qE '^(10\.|172\.1[6789]\.|172\.2[0-9]\.|172\.3[01]\.|192\.168)'; then
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echo ""
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@ -167,8 +167,7 @@ function installOpenVPN () {
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echo ""
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echo "Checking for IPv6 connectivity..."
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echo ""
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ping6 -c4 ipv6.google.com > /dev/null 2>&1
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if [[ $? == 0 ]]; then
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if ping -c4 ipv6.google.com > /dev/null 2>&1; then
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echo "Your host appears to have IPv6 connectivity."
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SUGGESTION="y"
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else
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@ -186,15 +185,15 @@ function installOpenVPN () {
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echo " 2) Custom"
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echo " 3) Random [49152-65535]"
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until [[ "$PORT_CHOICE" =~ ^[1-3]$ ]]; do
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read -p "Port choice [1-3]: " -e -i 1 PORT_CHOICE
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read -rp "Port choice [1-3]: " -e -i 1 PORT_CHOICE
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done
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case $PORT_CHOICE in
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1)
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PORT="1194"
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;;
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2)
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until [[ "$PORT" =~ ^[0-9]+$ ]] && [ "$PORT" -ge 1 -a "$PORT" -le 65535 ]; do
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read -p "Custom port [1-65535]: " -e -i 1194 PORT
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until [[ "$PORT" =~ ^[0-9]+$ ]] && [ "$PORT" -ge 1 ] && [ "$PORT" -le 65535 ]; do
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read -rp "Custom port [1-65535]: " -e -i 1194 PORT
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done
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;;
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3)
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@ -231,7 +230,7 @@ function installOpenVPN () {
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echo " 8) Google (Anycast: worldwide)"
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echo " 9) Yandex Basic (Russia)"
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echo " 10) AdGuard DNS (Russia)"
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until [[ "$DNS" =~ ^[0-9]+$ ]] && [ "$DNS" -ge 1 -a "$DNS" -le 10 ]; do
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until [[ "$DNS" =~ ^[0-9]+$ ]] && [ "$DNS" -ge 1 ] && [ "$DNS" -le 10 ]; do
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read -rp "DNS [1-10]: " -e -i 3 DNS
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if [[ $DNS == 2 ]] && [[ -e /etc/unbound/unbound.conf ]]; then
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echo ""
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@ -271,7 +270,7 @@ function installOpenVPN () {
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echo " 1) AES-128-CBC (recommended)"
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echo " 2) AES-192-CBC"
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echo " 3) AES-256-CBC"
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until [[ "$CIPHER_CHOICE" =~ ^[0-9]+$ ]] && [ "$CIPHER_CHOICE" -ge 1 -a "$CIPHER_CHOICE" -le 3 ]; do
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until [[ "$CIPHER_CHOICE" =~ ^[0-9]+$ ]] && [ "$CIPHER_CHOICE" -ge 1 ] && [ "$CIPHER_CHOICE" -le 3 ]; do
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read -rp "Cipher [1-7]: " -e -i 1 CIPHER_CHOICE
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done
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case $CIPHER_CHOICE in
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@ -290,7 +289,7 @@ function installOpenVPN () {
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echo " 1) 2048 bits (fastest)"
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echo " 2) 3072 bits (recommended, best compromise)"
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echo " 3) 4096 bits (most secure)"
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until [[ "$DH_KEY_SIZE_CHOICE" =~ ^[0-9]+$ ]] && [ "$DH_KEY_SIZE_CHOICE" -ge 1 -a "$DH_KEY_SIZE_CHOICE" -le 3 ]; do
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until [[ "$DH_KEY_SIZE_CHOICE" =~ ^[0-9]+$ ]] && [ "$DH_KEY_SIZE_CHOICE" -ge 1 ] && [ "$DH_KEY_SIZE_CHOICE" -le 3 ]; do
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read -rp "DH key size [1-3]: " -e -i 2 DH_KEY_SIZE_CHOICE
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done
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case $DH_KEY_SIZE_CHOICE in
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@ -309,7 +308,7 @@ function installOpenVPN () {
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echo " 1) 2048 bits (fastest)"
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echo " 2) 3072 bits (recommended, best compromise)"
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echo " 3) 4096 bits (most secure)"
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until [[ "$RSA_KEY_SIZE_CHOICE" =~ ^[0-9]+$ ]] && [ "$RSA_KEY_SIZE_CHOICE" -ge 1 -a "$RSA_KEY_SIZE_CHOICE" -le 3 ]; do
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until [[ "$RSA_KEY_SIZE_CHOICE" =~ ^[0-9]+$ ]] && [ "$RSA_KEY_SIZE_CHOICE" -ge 1 ] && [ "$RSA_KEY_SIZE_CHOICE" -le 3 ]; do
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read -rp "RSA key size [1-3]: " -e -i 2 RSA_KEY_SIZE_CHOICE
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done
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case $RSA_KEY_SIZE_CHOICE in
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@ -380,12 +379,12 @@ function installOpenVPN () {
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./easyrsa init-pki
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./easyrsa --batch build-ca nopass
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openssl dhparam -out dh.pem $DH_KEY_SIZE
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./easyrsa build-server-full $SERVER_NAME nopass
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./easyrsa build-server-full "$SERVER_NAME" nopass
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EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
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# Generate tls-auth key
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openvpn --genkey --secret /etc/openvpn/tls-auth.key
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# Move all the generated files
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cp pki/ca.crt pki/private/ca.key dh.pem pki/issued/$SERVER_NAME.crt pki/private/$SERVER_NAME.key /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn
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cp pki/ca.crt pki/private/ca.key dh.pem "pki/issued/$SERVER_NAME.crt" "pki/private/$SERVER_NAME.key" /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn
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# Make cert revocation list readable for non-root
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chmod 644 /etc/openvpn/crl.pem
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@ -498,7 +497,7 @@ verb 3" >> /etc/openvpn/server.conf
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$PORT" != '1194' ]]; then
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semanage port -a -t openvpn_port_t -p $PROTOCOL $PORT
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semanage port -a -t openvpn_port_t -p "$PROTOCOL" "$PORT"
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fi
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fi
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fi
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@ -638,11 +637,11 @@ function newClient () {
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cd /etc/openvpn/easy-rsa/ || return
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case $PASS in
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1)
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./easyrsa build-client-full $CLIENT nopass
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./easyrsa build-client-full "$CLIENT" nopass
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;;
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2)
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echo "⚠️ You will be asked for the client password below ⚠️"
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./easyrsa build-client-full $CLIENT
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./easyrsa build-client-full "$CLIENT"
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;;
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esac
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@ -700,17 +699,17 @@ function revokeClient () {
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CLIENT=$(tail -n +2 /etc/openvpn/easy-rsa/pki/index.txt | grep "^V" | cut -d '=' -f 2 | sed -n "$CLIENTNUMBER"p)
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cd /etc/openvpn/easy-rsa/
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./easyrsa --batch revoke $CLIENT
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./easyrsa --batch revoke "$CLIENT"
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EASYRSA_CRL_DAYS=3650 ./easyrsa gen-crl
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# Cleanup
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rm -f pki/reqs/$CLIENT.req
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rm -f pki/private/$CLIENT.key
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rm -f pki/issued/$CLIENT.crt
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rm -f "pki/reqs/$CLIENT.req"
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rm -f "pki/private/$CLIENT.key"
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rm -f "pki/issued/$CLIENT.crt"
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rm -f /etc/openvpn/crl.pem
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cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
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chmod 644 /etc/openvpn/crl.pem
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rm -f $(find /home -maxdepth 2 | grep $CLIENT.ovpn) 2>/dev/null
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rm -f /root/$CLIENT.ovpn 2>/dev/null
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find /home/ -maxdepth 2 -name "$CLIENT.ovpn" -delete
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rm -f "/root/$CLIENT.ovpn"
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echo ""
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echo "Certificate for client $CLIENT revoked."
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@ -777,7 +776,7 @@ function removeOpenVPN () {
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if hash sestatus 2>/dev/null; then
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if sestatus | grep "Current mode" | grep -qs "enforcing"; then
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if [[ "$PORT" != '1194' ]]; then
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semanage port -d -t openvpn_port_t -p udp $PORT
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semanage port -d -t openvpn_port_t -p udp "$PORT"
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fi
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fi
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fi
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@ -791,11 +790,8 @@ function removeOpenVPN () {
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fi
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# Cleanup
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OVPNS=$(ls /etc/openvpn/easy-rsa/pki/issued | awk -F "." {'print $1'})
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for i in $OVPNS;do
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rm $(find /home -maxdepth 2 | grep $i.ovpn) 2>/dev/null
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rm /root/$i.ovpn 2>/dev/null
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done
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find /home/ -maxdepth 2 -name "*.ovpn" -delete
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find /root/ -maxdepth 1 -name "*.ovpn" -delete
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rm -rf /etc/openvpn
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rm -rf /usr/share/doc/openvpn*
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rm -f /etc/sysctl.d/20-openvpn.conf
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