libs/sys: fix incomplete options table when parsing iptables rules

diff --git a/libs/sys/luasrc/sys/iptparser.lua b/libs/sys/luasrc/sys/iptparser.lua
index 60e4856..d823633 100644 (file)
--- a/libs/sys/luasrc/sys/iptparser.lua
+++ b/libs/sys/luasrc/sys/iptparser.lua
@@ -332,8 +332,10 @@ function IptParser._parse_rules( self )
                                        rule_details["destination"] = rule_parts[10]
                                        rule_details["options"]     = { }
 
-                                       for i = 11, #rule_parts - 1 do
-                                               rule_details["options"][i-10] = rule_parts[i]
+                                       for i = 11, #rule_parts  do
+                                               if #rule_parts[i] > 0 then
+                                                       rule_details["options"][i-10] = rule_parts[i]
+                                               end
                                        end
 
                                        self._rules[#self._rules+1] = rule_details