gistfile1.txt

import socket
import struct

class VNCServer:
    def __init__(self, host='localhost', port=5900):
        self.host = host
        self.port = port
        self.server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.server_socket.bind((self.host, self.port))
        self.server_socket.listen(1)

    def start(self):
        print(f"VNC Server listening on {self.host}:{self.port}")
        while True:
            client_socket, addr = self.server_socket.accept()
            print(f"Connection from {addr}")
            self.handle_client(client_socket)

    def handle_client(self, client_socket):
        # Send ProtocolVersion message
        client_socket.send(b"RFB 003.008\n")

        # Receive client protocol version
        client_version = client_socket.recv(12).decode().strip()
        print(f"Client version: {client_version}")

        # Send security types
        client_socket.send(struct.pack("!BB", 1, 1))  # 1 security type, type 1 (None)

        # Receive security type chosen by client
        security_type = struct.unpack("!B", client_socket.recv(1))[0]
        print(f"Security type chosen: {security_type}")

        # Send SecurityResult message
        client_socket.send(struct.pack("!I", 0))  # 0 means OK

        # TODO: Implement the rest of the RFB protocol...

if __name__ == "__main__":
    server = VNCServer()
    server.start()