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mvp of netstat raw_data parser

This commit is contained in:
Kelly Brazil
2019-11-06 20:35:10 -08:00
parent dafbf9fdcf
commit a3bcabc89c

View File

@ -2,6 +2,10 @@
Usage:
Specify --netstat as the first argument if the piped input is coming from netstat
Limitations:
-Z option may rarely cause incorrect parsing of the program_name, security_context, and path
for lines with spaces in the program_name
"""
import string
import jc
@ -12,8 +16,8 @@ def process(proc_data):
[
{
"proto": "tcp",
"recv-q": "0",
"send-q": "0",
"recv_q": "0",
"send_q": "0",
"local_address": "0.0.0.0:22",
"foreign_address": "0.0.0.0:*",
"state": "LISTEN",
@ -22,7 +26,7 @@ def process(proc_data):
"refcnt": "2",
"flags": "ACC",
"type": "STREAM",
"i-node": "20782",
"inode": "20782",
"path": "/var/run/NetworkManager/private-dhcp",
"kind": "network"
}
@ -37,6 +41,8 @@ def normalize_headers(header):
header = header.replace('foreign address', 'foreign_address')
header = header.replace('pid/program name', 'program_name')
header = header.replace('security context', 'security_context')
header = header.replace('i-node', 'inode')
header = header.replace('-', '_')
return header
@ -130,62 +136,3 @@ def parse(data, raw=False):
return raw_output
else:
return process(raw_output)
if entry.find('tcp') == 0:
output_line['transport_protocol'] = 'tcp'
if entry.find('p6') == 2:
output_line['network_protocol'] = 'ipv6'
else:
output_line['network_protocol'] = 'ipv4'
elif entry.find('udp') == 0:
output_line['transport_protocol'] = 'udp'
if entry.find('p6') == 2:
output_line['network_protocol'] = 'ipv6'
else:
output_line['network_protocol'] = 'ipv4'
else:
return
parsed_line = entry.split()
output_line['local_address'] = parsed_line[3].rsplit(':', 1)[0]
output_line['local_port'] = parsed_line[3].rsplit(':', 1)[-1]
output_line['foreign_address'] = parsed_line[4].rsplit(':', 1)[0]
output_line['foreign_port'] = parsed_line[4].rsplit(':', 1)[-1]
if len(parsed_line) > 5:
if parsed_line[5][0] not in string.digits and parsed_line[5][0] != '-':
output_line['state'] = parsed_line[5]
if len(parsed_line) > 6 and parsed_line[6][0] in string.digits:
output_line['pid'] = parsed_line[6].split('/')[0]
output_line['program_name'] = parsed_line[6].split('/')[1]
else:
if parsed_line[5][0] in string.digits:
output_line['pid'] = parsed_line[5].split('/')[0]
output_line['program_name'] = parsed_line[5].split('/')[1]
output_line['receive_q'] = parsed_line[1]
output_line['send_q'] = parsed_line[2]
return output_line