44 lines
1.3 KiB
Python
Executable File
44 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright 2013-present Barefoot Networks, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from scapy.all import sniff
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from scapy.all import IP, TCP
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VALID_IPS = ("10.0.0.1", "10.0.0.2", "10.0.0.3")
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totals = {}
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def handle_pkt(pkt):
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if IP in pkt and TCP in pkt:
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src_ip = pkt[IP].src
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dst_ip = pkt[IP].dst
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proto = pkt[IP].proto
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sport = pkt[TCP].sport
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dport = pkt[TCP].dport
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id_tup = (src_ip, dst_ip, proto, sport, dport)
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if src_ip in VALID_IPS:
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if id_tup not in totals:
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totals[id_tup] = 0
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totals[id_tup] += 1
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print ("Received from %s total: %s" %
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(id_tup, totals[id_tup]))
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def main():
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sniff(iface = "eth0",
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prn = lambda x: handle_pkt(x))
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if __name__ == '__main__':
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main()
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