52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
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#!/usr/bin/python3
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from scapy.all import *
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if __name__ == '__main__':
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p = []
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e0 = Ether(src="00:00:00:00:00:00",
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dst="00:00:00:00:00:00")
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e = Ether(src="02:53:55:42:45:01",
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dst='ff:ff:ff:ff:ff:ff')
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i0 = IP(src = "0.0.0.0",
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dst = "0.0.0.0")
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i4 = IP(src = "192.168.1.1",
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dst = "192.168.4.2")
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i6 = IPv6(src = "2001:db8:42::1",
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dst = "2001:db8::2")
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t0 = TCP(dport=0, sport=0)
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#t = TCP(dport=80, sport=random.randint(49152,65535))
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# print("chk_t = {}".format(t))
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t = TCP(dport=80, sport=1337)
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#print("chk_t = {}".format(t))
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d0 = ""
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d = "A"
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p.append(e / i4 / t / d)
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p.append(e / i6 / t / d)
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for packet in p:
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print("p = {}".format(packet.__repr__()))
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packet_rebuild = packet.__class__(str(packet))
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chk_old = packet[TCP].chksum
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chk_new = packet_rebuild[TCP].chksum
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print("chk1 = {} chk2={}".format(chk_old, chk_new))
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# Checksums:
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# - tcp
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# - udp
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# - icmp6
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# - icmp
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# - ipv4 (no payload)
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#
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# t.chksum = None
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