[游戏开发]Nmap库ICMP主机探测

import optparse
import re
from nmap import nmap


def Nmapscan(targetIP):
    # 实例化PortScanner对象
    nm = nmap.PortScanner()
    try:
        # hosts为目标ip地址，argusments为nmap的扫描参数
        # -sn：使用ping进行扫描
        # -PE：使用ICMP的echo请求包
        result = nm.scan(hosts=targetIP, arguments='-sn -PE')
        # 对请求的结果进行切片处理
        state = result['scan'][targetIP]['status']['state']
        print(f'[{targetIP}] is [{state}]')
    except Exception:
        pass


if __name__ == '__main__':
    parse_arg = optparse.OptionParser(
        "Usage:%prog -i ip\n\n" 'Example: python %prog --icmp 192.168.1.1/192.168.1.1-100\n\n')
    # 添加目标IP参数 -i
    parse_arg.add_option('-i', '--icmp', dest='targetIP', default='192.168.1.1', type='string')
    options, args = parse_arg.parse_args()
    # 判断主机是多台还是单台
    res = '[-]+\d'
    if re.findall(res, options.targetIP):
        if options.targetIP.count('-') == 2:
            for j in range(int(options.targetIP.split('.')[2].split('-')[0]),
                           int(options.targetIP.split('.')[2].split('-')[1]) + 1):
                for k in range(int(options.targetIP.split('.')[3].split('-')[0]),
                               int(options.targetIP.split('.')[3].split('-')[1]) + 1):
                    Nmapscan(options.targetIP.split('.')[0] + '.' + options.targetIP.split('.')[1] + '.' + str(
                        j) + '.' + str(k))
        elif '-' in options.targetIP.split('.').pop(-2) and options.targetIP.count('-') == 1:
            for y in range(int(options.targetIP.split('.')[2].split('-')[0]),
                           int(options.targetIP.split('.')[2].split('-')[1]) + 1):
                Nmapscan(options.targetIP.split('.')[0] + '.' + options.targetIP.split('.')[1] + '.' + str(y) + '.' +
                         options.targetIP.split('.')[3])
        elif options.targetIP.count('-') == 1:
            for x in range(int(options.targetIP.split('-')[0].split('.')[3]),
                           int(options.targetIP.split('-')[1].split('.')[0]) + 1):
                Nmapscan(options.targetIP.split('.')[0] + '.' + options.targetIP.split('.')[1] + '.' +
                         options.targetIP.split('.')[2] + '.' + str(x))
    else:
        Nmapscan(options.targetIP)