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somewhat working parser

This commit is contained in:
Kelly Brazil
2021-09-13 19:27:34 -07:00
parent 2deb473e0b
commit 51271fea0f

View File

@ -33,6 +33,7 @@ Examples:
{example output}
...
"""
import string
import jc.utils
@ -87,176 +88,165 @@ def parse(data, raw=False, quiet=False):
for line in data:
try:
raw_output = {}
output_line = {}
ping_responses = []
pattern = None
footer = False
linedata = data.splitlines()
# check for PATTERN
if linedata[0].startswith('PATTERN: '):
pattern = linedata.pop(0).split(': ')[1]
if line.startswith('PATTERN: '):
pattern = line.strip().split(': ')[1]
continue
while not linedata[0].startswith('PING '):
linedata.pop(0)
if line.startswith('PING '):
ipv4 = True if 'bytes of data' in line else False
ipv4 = True if 'bytes of data' in linedata[0] else False
if ipv4 and line[5] not in string.digits:
hostname = True
elif ipv4 and line[5] in string.digits:
hostname = False
elif not ipv4 and ' (' in line:
hostname = True
else:
hostname = False
if ipv4 and linedata[0][5] not in string.digits:
hostname = True
elif ipv4 and linedata[0][5] in string.digits:
hostname = False
elif not ipv4 and ' (' in linedata[0]:
hostname = True
else:
hostname = False
if ipv4 and not hostname:
dst_ip, dta_byts = (2, 3)
elif ipv4 and hostname:
dst_ip, dta_byts = (2, 3)
elif not ipv4 and not hostname:
dst_ip, dta_byts = (2, 3)
else:
dst_ip, dta_byts = (3, 4)
for line in filter(None, linedata):
if line.startswith('PING '):
if ipv4 and not hostname:
dst_ip, dta_byts = (2, 3)
elif ipv4 and hostname:
dst_ip, dta_byts = (2, 3)
elif not ipv4 and not hostname:
dst_ip, dta_byts = (2, 3)
else:
dst_ip, dta_byts = (3, 4)
line = line.replace('(', ' ').replace(')', ' ')
output_line.update(
{
'destination_ip': line.split()[dst_ip].lstrip('(').rstrip(')'),
'data_bytes': line.split()[dta_byts],
'pattern': pattern
}
)
continue
line = line.replace('(', ' ').replace(')', ' ')
raw_output.update(
{
'destination_ip': line.split()[dst_ip].lstrip('(').rstrip(')'),
'data_bytes': line.split()[dta_byts],
'pattern': pattern
}
)
continue
if line.startswith('---'):
footer = True
# raw_output['destination'] = line.split()[1]
continue
if line.startswith('---'):
footer = True
raw_output['destination'] = line.split()[1]
continue
if footer:
if 'packets transmitted' in line:
if ' duplicates,' in line:
raw_output.update(
{
'packets_transmitted': line.split()[0],
'packets_received': line.split()[3],
'packet_loss_percent': line.split()[7].rstrip('%'),
'duplicates': line.split()[5].lstrip('+'),
'time_ms': line.split()[11].replace('ms', '')
}
)
continue
else:
raw_output.update(
{
'packets_transmitted': line.split()[0],
'packets_received': line.split()[3],
'packet_loss_percent': line.split()[5].rstrip('%'),
'duplicates': '0',
'time_ms': line.split()[9].replace('ms', '')
}
)
continue
else:
split_line = line.split(' = ')[1]
split_line = split_line.split('/')
raw_output.update(
if footer:
if 'packets transmitted' in line:
if ' duplicates,' in line:
output_line.update(
{
'round_trip_ms_min': split_line[0],
'round_trip_ms_avg': split_line[1],
'round_trip_ms_max': split_line[2],
'round_trip_ms_stddev': split_line[3].split()[0]
'packets_transmitted': line.split()[0],
'packets_received': line.split()[3],
'packet_loss_percent': line.split()[7].rstrip('%'),
'duplicates': line.split()[5].lstrip('+'),
'time_ms': line.split()[11].replace('ms', '')
}
)
continue
else:
output_line.update(
{
'packets_transmitted': line.split()[0],
'packets_received': line.split()[3],
'packet_loss_percent': line.split()[5].rstrip('%'),
'duplicates': '0',
'time_ms': line.split()[9].replace('ms', '')
}
)
continue
# ping response lines
else:
# request timeout
if 'no answer yet for icmp_seq=' in line:
timestamp = False
isequence = 5
split_line = line.split(' = ')[1]
split_line = split_line.split('/')
output_line.update(
{
'round_trip_ms_min': split_line[0],
'round_trip_ms_avg': split_line[1],
'round_trip_ms_max': split_line[2],
'round_trip_ms_stddev': split_line[3].split()[0]
}
)
# if timestamp option is specified, then shift icmp sequence field right by one
# ping response lines
else:
# request timeout
if 'no answer yet for icmp_seq=' in line:
timestamp = False
isequence = 5
# if timestamp option is specified, then shift icmp sequence field right by one
if line[0] == '[':
timestamp = True
isequence = 6
response = {
'type': 'timeout',
'timestamp': line.split()[0].lstrip('[').rstrip(']') if timestamp else None,
'icmp_seq': line.replace('=', ' ').split()[isequence]
}
output_line.update(response)
if quiet:
output_line['_meta'] = {'success': True}
if raw:
yield output_line
else:
yield _process(output_line)
continue
# normal responses
elif ' bytes from ' in line:
try:
line = line.replace('(', ' ').replace(')', ' ').replace('=', ' ')
# positions of items depend on whether ipv4/ipv6 and/or ip/hostname is used
if ipv4 and not hostname:
bts, rip, iseq, t2l, tms = (0, 3, 5, 7, 9)
elif ipv4 and hostname:
bts, rip, iseq, t2l, tms = (0, 4, 7, 9, 11)
elif not ipv4 and not hostname:
bts, rip, iseq, t2l, tms = (0, 3, 5, 7, 9)
elif not ipv4 and hostname:
bts, rip, iseq, t2l, tms = (0, 4, 7, 9, 11)
# if timestamp option is specified, then shift everything right by one
timestamp = False
if line[0] == '[':
timestamp = True
isequence = 6
bts, rip, iseq, t2l, tms = (bts + 1, rip + 1, iseq + 1, t2l + 1, tms + 1)
response = {
'type': 'timeout',
'type': 'reply',
'timestamp': line.split()[0].lstrip('[').rstrip(']') if timestamp else None,
'icmp_seq': line.replace('=', ' ').split()[isequence]
'bytes': line.split()[bts],
'response_ip': line.split()[rip].rstrip(':'),
'icmp_seq': line.split()[iseq],
'ttl': line.split()[t2l],
'time_ms': line.split()[tms],
'duplicate': True if 'DUP!' in line else False
}
except Exception:
response = {
'type': 'unparsable_line',
'unparsed_line': line
}
ping_responses.append(response)
continue
# normal responses
elif ' bytes from ' in line:
try:
line = line.replace('(', ' ').replace(')', ' ').replace('=', ' ')
output_line.update(response)
# positions of items depend on whether ipv4/ipv6 and/or ip/hostname is used
if ipv4 and not hostname:
bts, rip, iseq, t2l, tms = (0, 3, 5, 7, 9)
elif ipv4 and hostname:
bts, rip, iseq, t2l, tms = (0, 4, 7, 9, 11)
elif not ipv4 and not hostname:
bts, rip, iseq, t2l, tms = (0, 3, 5, 7, 9)
elif not ipv4 and hostname:
bts, rip, iseq, t2l, tms = (0, 4, 7, 9, 11)
# if timestamp option is specified, then shift everything right by one
timestamp = False
if line[0] == '[':
timestamp = True
bts, rip, iseq, t2l, tms = (bts + 1, rip + 1, iseq + 1, t2l + 1, tms + 1)
response = {
'type': 'reply',
'timestamp': line.split()[0].lstrip('[').rstrip(']') if timestamp else None,
'bytes': line.split()[bts],
'response_ip': line.split()[rip].rstrip(':'),
'icmp_seq': line.split()[iseq],
'ttl': line.split()[t2l],
'time_ms': line.split()[tms],
'duplicate': True if 'DUP!' in line else False
}
except Exception:
response = {
'type': 'unparsable_line',
'unparsed_line': line
}
ping_responses.append(response)
continue
raw_output['responses'] = ping_responses
return raw_output
if quiet:
output_line['_meta'] = {'success': True}
if raw:
yield output_line
else:
yield _process(output_line)
if quiet:
output_line['_meta'] = {'success': True}
if raw:
yield output_line
else:
yield _process(output_line)
except Exception as e:
if not quiet:
e.args = (str(e) + '... Use the quiet option (-q) to ignore errors.',)
raise e
else:
yield {
'_meta':
{
'success': False,
'error': 'error parsing line',
'line': line.strip()
}
}
yield jc.utils.stream_error(e, quiet, line)