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import struct | |
import sys | |
import socket | |
import platform | |
from struct import * | |
from struct import unpack | |
from contextlib import contextmanager | |
import pymysql | |
#db | |
# Create a connection object | |
# IP address of the MySQL database server | |
Host = "" | |
# User name of the database server | |
User = "" | |
# Password for the database user | |
Password = "" | |
database = "" | |
conn = pymysql.connect(host=Host, user=User, password=Password, database=database) | |
cur = conn.cursor() | |
#details | |
un = platform.system() | |
if un != "Linux": | |
print(un + 'is not supported!') | |
sys.exit(1) | |
@contextmanager | |
def create_socket(): | |
''' Create a TCP raw socket ''' | |
s = socket.socket(socket.AF_INET, | |
socket.SOCK_RAW, | |
socket.IPPROTO_TCP) | |
try: | |
yield s | |
finally: | |
s.close() | |
try: | |
with create_socket() as s: | |
while True: | |
pkt, addr = s.recvfrom(65535) | |
# the first 20 bytes are ip header | |
iphdr = unpack('!BBHHHBBH4s4s', pkt[0:20]) | |
iplen = (iphdr[0] & 0xf) * 4 | |
ttl = iphdr[5] | |
s_addr = socket.inet_ntoa(iphdr[8]) | |
d_addr = socket.inet_ntoa(iphdr[9]) | |
# the next 20 bytes are tcp header | |
tcphdr = unpack('!HHLLBBHHH', pkt[iplen:iplen+20]) | |
s_port = tcphdr[0] | |
d_port = tcphdr[1] | |
if not s_addr == "127.0.0.1" and d_port == 80: | |
query = f"INSERT INTO client_info (source_ip, source_port, ttl_value) VALUES ('{s_addr}', {s_port}, {ttl});" | |
print(query) | |
cur.execute(query) | |
conn.commit() | |
except KeyboardInterrupt: | |
conn.close() | |
pass |
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