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#Some try-outs with Python and network adaptor low-level communiation
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##Installation / Preconditions
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Tested with windows10
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1. Install python (windows automatically launches the installer if you type „python“ into the search field of the task bar)
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2. Wireshark is already installed, this includes the pcap driver, which is necessary for low-level-network-interaction
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Attention: There are (at least) three different python-libs available for pcap:
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- Libpcap
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- Pylibpcap (But: only Python2)
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- Pypcap (recommented on https://stackoverflow.com/questions/63941109/pcap-open-live-issue)
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- Pcap-ct (https://pypi.org/project/pcap-ct/)
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python -m pip install --upgrade pcap-ct
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This is fighting against the Libpcap-installation, so we need to deinstall the second:
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python -m pip uninstall libpcap
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Then again install pcap-ct, and finally add in the libpcap\_platform\__init__py the missing is_osx = False.
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Now, in the IDLE shall 3.10.6, the import works:
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import pcap
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sniffer = pcap.pcap(name=None, promisc=True, immediate=True, timeout_ms=50)
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addr = lambda pkt, offset: '.'.join(str(pkt[i]) for i in range(offset, offset + 4))
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for ts, pkt in sniffer:
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print('%d\tSRC %-16s\tDST %-16s' % (ts, addr(pkt, sniffer.dloff + 12), addr(pkt, sniffer.dloff + 16)))
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##Further steps
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(to be continued)
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