52 lines
1.2 KiB
Python
52 lines
1.2 KiB
Python
from time import sleep
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from scapy.all import ICMP, IP, Dot1Q, Ether, sendp, AsyncSniffer, wrpcap
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from tqdm import tqdm
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a = AsyncSniffer(iface="enp5s0d1", filter="icmp")
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a.start()
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for i in tqdm(range(0, 4095)):
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sendp(
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Ether(dst="00:02:c9:27:10:73", src="00:f0:cb:ef:e0:3b")
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/ Dot1Q(vlan=i)
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/ IP(dst="10.0.45.45", src="10.0.45.5")
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/ ICMP(id=i),
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iface="enp2s0",
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verbose=False,
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)
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print("Wrapping up and waiting for last packets")
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sleep(1)
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plist = a.stop()
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seen = [False for i in range(4095)]
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icmpid = [False for i in range(4095)]
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def pprint(seen):
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last = None
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s = ""
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for k, v in enumerate(seen):
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if v and last is None:
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last = k
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s += str(k)
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if not v and last is not None:
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if k-1 == last:
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s += ","
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else:
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s += f"-{k-1},"
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last = None
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if last is not None and last < k:
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s += f"-{k}"
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return s + "\n"
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for p in plist:
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if Dot1Q in p:
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vlan = int(p[Dot1Q].vlan)
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seen[vlan] = True
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if ICMP in p and p[ICMP].id == vlan:
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icmpid[vlan] = True
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print("Icmp correspondance")
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print(pprint(icmpid))
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print("Seen vlans")
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print(pprint(seen))
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