mirror of
https://github.com/autistic-symposium/web3-starter-py.git
synced 2025-05-17 14:10:21 -04:00
44 lines
No EOL
1.3 KiB
Python
44 lines
No EOL
1.3 KiB
Python
import socket
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import os
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import struct
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import ctypes
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from ICMPHeader import ICMP
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# host to listen on
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HOST = '192.168.1.114'
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def main():
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socket_protocol = socket.IPPROTO_ICMP
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sniffer = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket_protocol)
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sniffer.bind(( HOST, 0 ))
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sniffer.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
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while True:
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raw_buffer = sniffer.recvfrom(65565)[0]
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ip_header = raw_buffer[0:20]
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iph = struct.unpack('!BBHHHBBH4s4s' , ip_header)
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# Create our IP structure
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version_ihl = iph[0]
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version = version_ihl >> 4
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ihl = version_ihl & 0xF
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iph_length = ihl * 4
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ttl = iph[5]
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protocol = iph[6]
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s_addr = socket.inet_ntoa(iph[8]);
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d_addr = socket.inet_ntoa(iph[9]);
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print('IP -> Version:' + str(version) + ', Header Length:' + str(ihl) + \
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', TTL:' + str(ttl) + ', Protocol:' + str(protocol) + ', Source:'\
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+ str(s_addr) + ', Destination:' + str(d_addr))
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# Create our ICMP structure
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buf = raw_buffer[iph_length:iph_length + ctypes.sizeof(ICMP)]
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icmp_header = ICMP(buf)
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print('ICMP -> Type:{0}, Code:{1}'.format((icmp_header.type, icmp_header.code)))
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if __name__ == '__main__':
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main() |