def parse_packet(filename):
with PcapReader(filename) as file_capture:
global start_parse, end_parse, count, totaltime
for packet in file_capture:
try:
if (
len(packet) > 400 and packet.dport == 1813
): # We only need pcakets whose length is greater than 400 bytes
# Capturing the RAW data from packet (the index value for raw data is 3)
start_parse = time()
radius_packet = str(packet[Radius])
# Pyrad has a dictionary with the RADIUS attributes defined, It'll help in decoding the RAW Packet
pkt = Packet(packet=radius_packet,
dict=Dictionary("dictionary"))
attr1 = pkt._DecodeKey(8)
value1 = pkt.__getitem__(attr1)
attr2 = pkt._DecodeKey(31)
value2 = pkt.__getitem__(attr2)
end_parse = time()
print("Time Taken to parse RADIUS packet: %s seconds" %
(end_parse - start_parse))
count += 1
totaltime += (end_parse - start_parse)
print("%d Private IP: %s and MSISDN: %s" %
(count, value1, value2))
except AttributeError:
print(
"Port attribute not available in the packet, skipping the parsing on the packet... "
)
def parse_packet(packet):
if (packet.haslayer(Radius)):
radius_packet = str(packet[Radius])
pkt = Packet(packet=radius_packet, dict=Dictionary("dictionary"))
for key, value in pkt.iteritems():
attr = pkt._DecodeKey(key)
value = pkt.__getitem__(attr)
#print attr, value
fout.write("%s %s\n" % (attr, str(value)))
else:
#packet.show()
pass