Fixed some non-standard syntax

bin/openvpn-initialize

@@ -82,7 +82,7 @@ initializeOpenVPN () {
 	rm -f ~/EasyRSA-unix-v${version}.tgz
 
 
-	cd /etc/openvpn/easy-rsa/
+	cd /etc/openvpn/easy-rsa/ || exit
 	
 			echo "set_var EASYRSA_ALGO ec" > vars
 			echo "set_var EASYRSA_CURVE $CERT_CURVE" >> vars
@@ -144,10 +144,10 @@ push "redirect-gateway ipv6"' >> /etc/openvpn/server.conf
 
 
 
-	echo "dh none" >> /etc/openvpn/server.conf
+	echo "dh none
-	echo "ecdh-curve $DH_CURVE" >> /etc/openvpn/server.conf
+ecdh-curve $DH_CURVE
-	echo "tls-crypt tls-crypt.key 0" >> /etc/openvpn/server.conf
+tls-crypt tls-crypt.key 0
-	echo "crl-verify crl.pem
+crl-verify crl.pem
 ca ca.crt
 cert $SERVER_NAME.crt
 key $SERVER_NAME.key

bin/openvpn-menu

@@ -17,7 +17,6 @@ function tunAvailable () {
 
 function checkOS () {
 	if [[ -e /etc/debian_version ]]; then
-		OS="debian"
 		source /etc/os-release
 
 		if [[ "$ID" == "debian" ]]; then

bin/start.sh

@@ -24,7 +24,7 @@ OPENVPN_CONFIG_FILE=/etc/openvpn/server.conf
 
 if [ -z $DNS1 ]; then
     echo "DNS1 env variable not set, setting as deafault Cloudflare's 1.1.1.1"
-    $DNS1 = '1.1.1.1'
+    DNS1='1.1.1.1'
     sed -i -e 's/"dhcp-option DNS .*"/"dhcp-option DNS '${DNS1}'"/g' ${OPENVPN_CONFIG_FILE}
 else
 
@@ -37,7 +37,7 @@ else
 
             DNS1=$(host pihole | grep -oE "\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b")
 
-            if [ ! -z $DNS1 ]; then
+            if [ ! -z "$DNS1" ]; then
                 echo "The DNS1 container address is ${DNS1}"
                 sed -i -e 's/"dhcp-option DNS .*"/"dhcp-option DNS '${DNS1}'"/g' ${OPENVPN_CONFIG_FILE}
             else
@@ -59,7 +59,8 @@ fi
 
 
 # Get the \"public\" interface from the default route
-export NIC=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
+NIC=$(ip -4 route ls | grep default | grep -Po '(?<=dev )(\S+)' | head -1)
+export NIC
 
 # Add iptable rules
 if [[ "$DNS_ONLY" = 'y' ]]; then
@@ -68,7 +69,7 @@ else
     add-openvpn-ipv4-rules
 fi
 
-if [ '$IPV6_SUPPORT' = 'y' ]; then
+if [ "$IPV6_SUPPORT" = 'y' ]; then
     add-openvpn-ipv6-rules
 fi