Sniffer_Id_Header_Decode_Script added

Author: Kalivarapubindusree

Sniffer_Id_Header_Decode_Script/README.md

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+# Sniffer_Id_Header_Decode_Script
+
+Short description of package/script
+
+- This Script Was simple to setup
+- Need import socket, os, struct, ctypes
+
+## Setup instructions
+
+Just Need to Import socket, os, struct, ctypesthen run the Sniffer_Id_Header_Decode_Script.py file and for running  python3 is must be installed! 
+
+## Detailed explanation of script, if needed
+
+This Script Is Only for Sniffer_Id_Header_Decode_Script use only!  
+
+## Author(s)
+
+Kalivarapubindusree

Sniffer_Id_Header_Decode_Script/Sniffer_Id_Header_Decode_Script.py

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+import socket
+import os
+import struct
+from ctypes import *
+
+# Host to listen on
+host = "192.168.0.187"
+
+
+class IP(Structure):
+    _fields_ = [
+        ("ihl_version", c_ubyte),
+        ("tos", c_ubyte),
+        ("len", c_ushort),
+        ("id", c_ushort),
+        ("offset", c_ushort),
+        ("ttl", c_ubyte),
+        ("protocol", c_ubyte),
+        ("sum", c_ushort),
+        ("src", c_uint32),
+        ("dst", c_uint32)
+    ]
+
+    def __new__(cls, socket_buffer=None):
+        return cls.from_buffer_copy(socket_buffer)
+
+    def __init__(self, socket_buffer=None):
+        self.socket_buffer = socket_buffer
+
+        # Map protocol constants to their names
+        self.protocol_map = {1: "ICMP", 6: "TCP", 17: "UDP"}
+
+        # Human-readable IP addresses
+        self.src_address = socket.inet_ntoa(struct.pack("@I", self.src))
+        self.dst_address = socket.inet_ntoa(struct.pack("@I", self.dst))
+
+        # Human-readable protocol
+        self.protocol = self.protocol_map.get(self.protocol, str(self.protocol))
+
+
+# Create a raw socket and bind it to the public interface
+socket_protocol = socket.IPPROTO_IP if os.name == "nt" else socket.IPPROTO_ICMP
+sniffer = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket_protocol)
+sniffer.bind((host, 0))
+
+# We want the IP headers included in the capture
+sniffer.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
+
+# If we're on Windows, we need to send some ioctl to set up promiscuous mode
+if os.name == "nt":
+    sniffer.ioctl(socket.SIO_RCVALL, socket.RCVALL_ON)
+
+try:
+    while True:
+        # Read in a single packet
+        raw_buffer = sniffer.recvfrom(65535)[0]
+
+        # Create an IP header from the first 20 bytes of the buffer
+        ip_header = IP(raw_buffer[:20])
+
+        print(f"Protocol: {ip_header.protocol} {ip_header.src_address} -> {ip_header.dst_address}")
+
+except KeyboardInterrupt:
+    # If we're on Windows, turn off promiscuous mode
+    if os.name == "nt":
+        sniffer.ioctl(socket.SIO_RCVALL, socket.RCVALL_OFF)