jc.parsers.iptables
jc - JSON Convert iptables
command output parser
Supports -vLnx
and --line-numbers
for all tables.
Usage (cli):
$ sudo iptables -L -t nat | jc --iptables
or
$ jc iptables -L -t nat
Usage (module):
import jc
result = jc.parse('iptables', iptables_command_output)
Schema:
[
{
"chain": string,
"rules": [
{
"num" integer,
"pkts": integer,
"bytes": integer, # converted based on suffix
"target": string, # Null if blank
"prot": string,
"opt": string, # "--" = Null
"in": string,
"out": string,
"source": string,
"destination": string,
"options": string
}
]
}
]
Examples:
$ sudo iptables --line-numbers -v -L -t nat | jc --iptables -p
[
{
"chain": "PREROUTING",
"rules": [
{
"num": 1,
"pkts": 2183,
"bytes": 186000,
"target": "PREROUTING_direct",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": 2,
"pkts": 2183,
"bytes": 186000,
"target": "PREROUTING_ZONES_SOURCE",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": 3,
"pkts": 2183,
"bytes": 186000,
"target": "PREROUTING_ZONES",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": 4,
"pkts": 0,
"bytes": 0,
"target": "DOCKER",
"prot": "all",
"opt": null,
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere",
"options": "ADDRTYPE match dst-type LOCAL"
}
]
},
...
]
$ sudo iptables --line-numbers -v -L -t nat | jc --iptables -p -r
[
{
"chain": "PREROUTING",
"rules": [
{
"num": "1",
"pkts": "2183",
"bytes": "186K",
"target": "PREROUTING_direct",
"prot": "all",
"opt": "--",
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": "2",
"pkts": "2183",
"bytes": "186K",
"target": "PREROUTING_ZONES_SOURCE",
"prot": "all",
"opt": "--",
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": "3",
"pkts": "2183",
"bytes": "186K",
"target": "PREROUTING_ZONES",
"prot": "all",
"opt": "--",
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere"
},
{
"num": "4",
"pkts": "0",
"bytes": "0",
"target": "DOCKER",
"prot": "all",
"opt": "--",
"in": "any",
"out": "any",
"source": "anywhere",
"destination": "anywhere",
"options": "ADDRTYPE match dst-type LOCAL"
}
]
},
...
]
parse
def parse(data, raw=False, quiet=False)
Main text parsing function
Parameters:
data: (string) text data to parse
raw: (boolean) unprocessed output if True
quiet: (boolean) suppress warning messages if True
Returns:
List of Dictionaries. Raw or processed structured data.
Parser Information
Compatibility: linux
Source: jc/parsers/iptables.py
Version 1.11 by Kelly Brazil (kellyjonbrazil@gmail.com)