master-thesis/bin/checksum_test.py

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#!/usr/bin/python3
from scapy.all import *
if __name__ == '__main__':
p = []
e0 = Ether(src="00:00:00:00:00:00",
dst="00:00:00:00:00:00")
e = Ether(src="02:53:55:42:45:01",
dst='ff:ff:ff:ff:ff:ff')
i0 = IP(src = "0.0.0.0",
dst = "0.0.0.0")
i4 = IP(src = "192.168.1.1",
dst = "192.168.4.2")
i6 = IPv6(src = "2001:db8:42::1",
dst = "2001:db8::2")
t0 = TCP(dport=0, sport=0)
t = TCP(dport=80, sport=random.randint(49152,65535))
d0 = ""
d = "A"
p.append(e0 / i0 / t0 / d0)
p.append(e / i4 / t / d)
# p.append(e / i6 / t / d)
for test in p:
print("p = {}".format(test.__repr__())!)
packet_raw = str(test)
checksum_scapy = IP(packet_raw)[TCP].chksum
print("chk = {}".format(checksum_scapy))