#!/usr/bin/env python3
# vulnerable_xpc_service.py - Simulated XPC service using unsafe plist deserialization
import plistlib, subprocess, socketserver, struct

# Mach message simulation: we just accept a binary plist over TCP.
class XPCHandler(socketserver.BaseRequestHandler):
    def handle(self):
        raw = self.request.recv(4096)
        # Insecure: using plistlib.loads on untrusted data without sanitization
        plist_data = plistlib.loads(raw)  # In real macOS, NSKeyedUnarchiver can execute code
        # Simulate a command being embedded in the plist
        command = plist_data.get("runCommand")
        if command:
            subprocess.Popen(command, shell=True)
        self.request.sendall(b"Success")

server = socketserver.TCPServer(('localhost', 8888), XPCHandler)
print("Vulnerable XPC service on :8888")
server.serve_forever()