Session 03 - Python for Forensics

The code here is to support the Session 03 lecture.

udpServer.py

import socket, sys

def server():
    host = "127.0.0.1"
    port = 5000

    try:
        serverSocket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        print("[+] UDP socket successfully created!")

        serverSocket.bind((host, port))
        print("[+] Socket bound to " + host + " on " + str(port) + "!\n")

    except socket.error as error:
        print("[E] There was an issue with the socket, due to %s" %(error))
        print("[!] Exiting...")
        sys.exit()

    print("Server listening...")

    while True:
        message, addr = serverSocket.recvfrom(1024)
        if not message:
            break
        print(" (incoming message origin): " + str(addr))
        print(" (incoming message body): " + message.decode())
        data = message.decode().upper()
        print("Sending uppercased string back to sender: " + data)
        serverSocket.sendto(data.encode(), addr)

    serverSocket.close()

if __name__ == '__main__':
    server()