NAT: T6371: fix NAT op mode display of configured ports when comma ssperated list of ports/ranges exists

Author: Giggum

src/op_mode/nat.py

@@ -126,21 +126,35 @@ def _get_formatted_output_rules(data, direction, family):
                     elif my_dict['field'] == 'daddr':
                         daddr = f'{op}{my_dict["prefix"]["addr"]}/{my_dict["prefix"]["len"]}'
                     elif my_dict['field'] == 'sport':
-                        # Port range or single port
-                        if jmespath.search('set[*].range', my_dict):
-                            sport = my_dict['set'][0]['range']
-                            sport = '-'.join(map(str, sport))
-                        else:
-                            sport = my_dict.get('set')
-                            sport = ','.join(map(str, sport))
+                        # Get all configured sport ranges or single ports
+                        for index, port in enumerate(my_dict['set']):
+                            if 'range' in str(my_dict['set'][index]):
+                                temp = my_dict['set'][index]['range']
+                                temp = '-'.join(map(str, temp))
+                            else:
+                                temp = str(port)
+                            if index == 0:
+                                sport = str(temp)
+                            else:
+                                sport = ','.join([sport,temp])
+                        if my_dict['op'] == '!=':
+                            sport = '!' + sport
                     elif my_dict['field'] == 'dport':
-                        # Port range or single port
-                        if jmespath.search('set[*].range', my_dict):
-                            dport = my_dict["set"][0]["range"]
-                            dport = '-'.join(map(str, dport))
-                        else:
-                            dport = my_dict.get('set')
-                            dport = ','.join(map(str, dport))
+                        # Get all configured dport ranges or single ports
+                        for index, port in enumerate(my_dict['set']):
+                            if 'range' in str(my_dict['set'][index]):
+                                temp = my_dict['set'][index]['range']
+                                temp = '-'.join(map(str, temp))
+                            else:
+                                temp = str(port)
+
+                            if index == 0:
+                                dport = str(temp)
+                            else:
+                                dport = ','.join([dport,temp])
+
+                        if my_dict['op'] == '!=':
+                            dport = '!' + dport
                 else:
                     field = jmespath.search('left.payload.field', match)
                     if field == 'saddr':