#!/usr/bin/env python3

import nmap
import sys

def read_ports_from_file(file_name):
    ports = {}
    try:
        with open(file_name, 'r') as file:
            for line in file:
                line = line.strip()
                if line and not line.startswith("#"):  # Skip comment lines
                    parts = line.split('#')
                    port_number = parts[0].strip()
                    port_description = parts[1].strip() if len(parts) > 1 else ""
                    ports[port_number] = port_description
    except FileNotFoundError:
        print(f"File {file_name} not found.")
    return ports

def scan_ports(remote_host, ports):
    if not ports:
        print("No ports to scan.")
        return

    open_ports = []
    closed_ports = []

    nm = nmap.PortScanner()
    arguments = f'-T4 -p{",".join(ports)}'
    nm.scan(hosts=remote_host, arguments=arguments)

    for host in nm.all_hosts():
        for proto in nm[host].all_protocols():
            lport = nm[host][proto].keys()
            for port in lport:
                state = nm[host][proto][port]['state']
                if state == 'open':
                    open_ports.append((port, ports.get(str(port), "No description available")))
                else:
                    closed_ports.append((port, ports.get(str(port), "No description available")))

    print("\nScanning completed.")
    print("Open ports:")
    print("Port\tDescription")
    for port, description in open_ports:
        print(f"{port}\t{description}")
    print("\nClosed ports:")
    print("Port\tDescription")
    for port, description in closed_ports:
        print(f"{port}\t{description}")

def main():
    remote_host = input("Enter remote host: ")
    ports = read_ports_from_file('ports.txt')
    scan_ports(remote_host, ports)

if __name__ == "__main__":
    main()