Files
nDPId-2/examples/py-flow-info/flow-info.py
Toni Uhlig 893f437051 Aligned nDPIsrvd.py to nDPIsrvd.h for consistency.
* Simplified Python interface as well.
 * c-captured and flow-undetected-to-pcap.py produce similiar results
 * Removed overloaded nDPIsrvd.py event structures.
 * flow-info.py prints (with a color-hash) additional information e.g. alias/source and midstream

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
2021-02-16 20:43:00 +01:00

93 lines
4.0 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import sys
sys.path.append(os.path.dirname(sys.argv[0]) + '/../../dependencies')
import nDPIsrvd
from nDPIsrvd import nDPIsrvdSocket, TermColor
def prettifyEvent(color_list, whitespaces, text):
term_attrs = str()
for color in color_list:
term_attrs += str(color)
return '{}{:>' + str(whitespaces) + '}{}'.format(term_attrs, text, TermColor.END)
def onJsonLineRecvd(json_dict, current_flow, global_user_data):
if 'basic_event_id' in json_dict:
print('{}: {}'.format(prettifyEvent([TermColor.WARNING, TermColor.BLINK], 16, 'BASIC-EVENT'), json_dict['basic_event_name']))
return True
elif 'flow_event_id' not in json_dict:
return True
ndpi_proto_categ = ''
ndpi_frisk = ''
if 'ndpi' in json_dict:
if 'proto' in json_dict['ndpi']:
ndpi_proto_categ += '[' + str(json_dict['ndpi']['proto']) + ']'
if 'category' in json_dict['ndpi']:
ndpi_proto_categ += '[' + str(json_dict['ndpi']['category']) + ']'
if 'flow_risk' in json_dict['ndpi']:
cnt = 0
for key in json_dict['ndpi']['flow_risk']:
ndpi_frisk += str(json_dict['ndpi']['flow_risk'][key]) + ', '
cnt += 1
ndpi_frisk = '{}: {}'.format(
TermColor.WARNING + TermColor.BOLD + 'RISK' + TermColor.END if cnt < 2
else TermColor.FAIL + TermColor.BOLD + TermColor.BLINK + 'RISK' + TermColor.END,
ndpi_frisk[:-2])
instance_and_source = ''
instance_and_source += '[{}]'.format(TermColor.setColorByString(json_dict['alias']))
instance_and_source += '[{}]'.format(TermColor.setColorByString(json_dict['source']))
line_suffix = ''
flow_event_name = ''
if json_dict['flow_event_name'] == 'guessed' or json_dict['flow_event_name'] == 'not-detected':
flow_event_name += '{}{:>16}{}'.format(TermColor.HINT, json_dict['flow_event_name'], TermColor.END)
else:
if json_dict['flow_event_name'] == 'new' and json_dict['midstream'] != 0:
line_suffix = '[{}]'.format(TermColor.WARNING + TermColor.BLINK + 'MIDSTREAM' + TermColor.END)
flow_event_name += '{:>16}'.format(json_dict['flow_event_name'])
if json_dict['l3_proto'] == 'ip4':
print('{} {}: [{:.>6}] [{}][{:.>5}] [{:.>15}]{} -> [{:.>15}]{} {}{}' \
''.format(instance_and_source, flow_event_name,
json_dict['flow_id'], json_dict['l3_proto'], json_dict['l4_proto'],
json_dict['src_ip'].lower(),
'[{:.>5}]'.format(json_dict['src_port']) if 'src_port' in json_dict else '',
json_dict['dst_ip'].lower(),
'[{:.>5}]'.format(json_dict['dst_port']) if 'dst_port' in json_dict else '',
ndpi_proto_categ, line_suffix))
elif json_dict['l3_proto'] == 'ip6':
print('{} {}: [{:.>6}] [{}][{:.>5}] [{:.>39}]{} -> [{:.>39}]{} {}{}' \
''.format(instance_and_source, flow_event_name,
json_dict['flow_id'], json_dict['l3_proto'], json_dict['l4_proto'],
json_dict['src_ip'].lower(),
'[{:.>5}]'.format(json_dict['src_port']) if 'src_port' in json_dict else '',
json_dict['dst_ip'].lower(),
'[{:.>5}]'.format(json_dict['dst_port']) if 'dst_port' in json_dict else '',
ndpi_proto_categ, line_suffix))
else:
raise RuntimeError('unsupported l3 protocol: {}'.format(json_dict['l3_proto']))
if len(ndpi_frisk) > 0:
print('{} {:>18}{}'.format(instance_and_source, '', ndpi_frisk))
return True
if __name__ == '__main__':
argparser = nDPIsrvd.defaultArgumentParser()
args = argparser.parse_args()
address = nDPIsrvd.validateAddress(args)
sys.stderr.write('Recv buffer size: {}\n'.format(nDPIsrvd.NETWORK_BUFFER_MAX_SIZE))
sys.stderr.write('Connecting to {} ..\n'.format(address[0]+':'+str(address[1]) if type(address) is tuple else address))
nsock = nDPIsrvdSocket()
nsock.connect(address)
nsock.loop(onJsonLineRecvd, None)