libs/sys: fix ip6tables parsing issue

diff --git a/libs/sys/luasrc/sys/iptparser.lua b/libs/sys/luasrc/sys/iptparser.lua
index 3897014..60e4856 100644 (file)
--- a/libs/sys/luasrc/sys/iptparser.lua
+++ b/libs/sys/luasrc/sys/iptparser.lua
@@ -215,6 +215,13 @@ function IptParser.resync( self )
 end
 
 
+--- Find the names of all tables.
+-- @return             Table of table names.
+function IptParser.tables( self )
+       return self._tables
+end
+
+
 --- Find the names of all chains within the given table name.
 -- @param table        String containing the table name
 -- @return             Table of chain names in the order they occur.
@@ -306,6 +313,11 @@ function IptParser._parse_rules( self )
                                                table.insert(rule_parts, 4, nil)
                                        end
 
+                                       -- ip6tables opt column is usually zero-width
+                                       if self._family == 6 then
+                                               table.insert(rule_parts, 6, "--")
+                                       end
+
                                        rule_details["table"]       = tbl
                                        rule_details["chain"]       = self._chain
                                        rule_details["index"]       = tonumber(rule_parts[1])