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more linting

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This commit is contained in:
vs 2014-08-15 13:05:42 +02:00
parent b175b705ce
commit c26e50e694
1 changed files with 25 additions and 25 deletions
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50
tests/salt-tcpdump.py
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@ -32,7 +32,7 @@ tcpdump "tcp[tcpflags] & tcp-syn != 0" and port 4505 and "tcp[tcpflags] & tcp-ac
For Port 4506
tcpdump "tcp[tcpflags] & tcp-syn != 0" and port 4506 and "tcp[tcpflags] & tcp-ack == 0"
'''
import socket
from struct import unpack
import pcapy
@ -61,9 +61,9 @@ class ArgParser(object):
default='eth0',
dest='iface',
required=False,
help=('the interface to dump the'
help=('the interface to dump the'
'master runs on(default:eth0)'))
self.main_parser.add_argument('-n',
type=int,
default=5,
@ -120,9 +120,9 @@ class PCAPParser(object):
}
(header, packet) = cap.next()
eth_length, eth_protocol = self.parse_ether(packet)
# Parse IP packets, IP Protocol number = 8
if eth_protocol == 8 :
#Parse IP header
@ -146,12 +146,12 @@ class PCAPParser(object):
parse ethernet_header and return size and protocol
'''
eth_length = 14
eth_header = packet[:eth_length]
eth = unpack('!6s6sH' , eth_header)
eth_protocol = socket.ntohs(eth[2])
return eth_length, eth_protocol
def parse_ip(self, packet, eth_length):
'''
parse ip_header and return all ip data fields
@ -159,33 +159,33 @@ class PCAPParser(object):
#Parse IP header
#take first 20 characters for the ip header
ip_header = packet[eth_length:20+eth_length]
#now unpack them :)
iph = unpack('!BBHHHBBH4s4s' , ip_header)
version_ihl = iph[0]
version = version_ihl >> 4
ihl = version_ihl & 0xF
iph_length = ihl * 4
ttl = iph[5]
protocol = iph[6]
s_addr = socket.inet_ntoa(iph[8])
d_addr = socket.inet_ntoa(iph[9])
return [version_ihl,
version,
ihl,
iph_length,
ttl,
protocol,
s_addr,
return [version_ihl,
version,
ihl,
iph_length,
ttl,
protocol,
s_addr,
d_addr]
def parse_tcp(self, packet, iph_length, eth_length):
'''
parse tcp_data and return source_port,
parse tcp_data and return source_port,
dest_port and actual packet data
'''
p_len = iph_length + eth_length
@ -219,13 +219,13 @@ class SaltNetstat(object):
'''
def proc_tcp(self):
'''
'''
Read the table of tcp connections & remove header
'''
with open('/proc/net/tcp', 'r') as tcp_f:
content = tcp_f.readlines()
content.pop(0)
return content
return content
def hex2dec(self, hex_s):
'''
@ -283,7 +283,7 @@ class SaltNetstat(object):
yield (len(ips['ips/4505']), len(ips['ips/4506']))
time.sleep(0.5)
def filter_new_cons(packet):
'''
filter packets by there tcp-state and
@ -325,7 +325,7 @@ def filter_new_cons(packet):
# track closing connections
elif 'FIN' in flags:
return 12
elif packet['tcp']['d_port'] == 4506:
# track new connections
if 'SYN' in flags and len(flags) == 1:
@ -371,7 +371,7 @@ def main():
'(ports:{0}, interval:{1})'.format(ports,
args['ival'])
)
else:
else:
print (
'Salt-Master Network Status '
'(ports:{0}, interval:{1})'.format(ports,
@ -436,7 +436,7 @@ def main():
except KeyboardInterrupt:
sys.exit(1)
sys.exit(1)
if __name__ == "__main__":
main()