Show warning if port forwarding is unavailable

extra/wg-gen.sh

@@ -245,9 +245,13 @@ get_wgconf () {
       echo "Using custom DNS servers: $dns"
   fi
 
-  cat <<CONFF > "$wg_out"
-#cn: $wg_cn
-#pf api ip: $pfapi_ip
+  # Store the info needed for port forwarding as comments in the generated config for later use if needed
+  if [ "$port_forward_avail" -eq 1 ]; then
+    echo "#cn: $wg_cn" > "$wg_out"
+    echo "#pf api ip: $pfapi_ip" >> "$wg_out"
+  fi
+
+  cat <<CONFF >> "$wg_out"
 [Interface]
 PrivateKey = $client_private_key
 Address = $peer_ip

run

@@ -294,6 +294,8 @@ if [ $PORT_FORWARDING -eq 1 ] && [ -n "$pf_api_ip" ]; then
     /scripts/pf.sh -t "$tokenfile" -i "$pf_api_ip" -n "$pf_cn" -p "$portfile" -c "$pia_cacrt" -s "/scripts/pf_success.sh" -f wg0 &
   fi
   pf_pid=$!
+elif [ $PORT_FORWARDING -eq 1 ] && [ -z "$pf_api_ip" ]; then
+  echo "$(date): Warning: Port forwarding is unavailable on this server. Try a different location."
 fi
 
 [ -x "$post_up_script" ] && run_command "$post_up_script"