Delete 'Test_Cases/Test_Case3.py'
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import socket
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# Sending a SYN packet
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def init_socket():
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s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
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s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
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return s
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def send_raw_packet():
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ip_header = b'\x45\x00\x00\x28' # Version, IHL, Type of Service | Total Length
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ip_header += b'\x00\x00\x00\x00' # Identification | Flags, Fragment Offset
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ip_header += b'\x28\x06\xa6\xec' # TTL = 40s, Protocol = 6 for TCP | Header Checksum
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ip_header += b'\xac\xa8\x05\x03' # Source Address: 172.168.5.3
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ip_header += b'\xac\xa8\x05\x04' # Destination Address: 172.168.5.4
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tcp_header = b'\x04\xD2\x11\x5C' # Source Port | Destination Port
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tcp_header += b'\x00\x00\x00\x00' # Sequence Number
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tcp_header += b'\x00\x00\x00\x00' # Acknowledgement Number
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tcp_header += b'\x50\x02\x00\x00' # Data Offset, Reserved, Flags | Window Size
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tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer
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packet = ip_header + tcp_header
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return packet
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if __name__=="__main__":
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dst_IP = '172.168.5.4'
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s = init_socket()
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packet = send_raw_packet()
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s.sendto(packet, (dst_IP, 0))
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