ip冲突劫持域名

import socket
import fcntl
import struct
import array

def get_ip_address(ifname):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    return socket.inet_ntoa(fcntl.ioctl(
        s.fileno(),
        0x8915,  # SIOCGIFADDR
        struct.pack('256s', ifname[:15].encode('utf-8'))
    )[20:24])

def check_ip_conflict(ip):
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
    s.bind((ip, 0))
    s.settimeout(1)
    try:
        while True:
            s.recvfrom(1024)
        return False
    except socket.timeout:
        return True

if __name__ == "__main__":
    hostname = socket.gethostname()
    ip_address = get_ip_address(hostname)
    print(f"Hostname: {hostname}, IP Address: {ip_address}")
    if check_ip_conflict(ip_address):
        print("IP conflict detected!")
    else:
        print("No IP conflict.")