今天添加端口探测功能,主要实现方式是通过nmap模块调用,扫描1-65535端口。上一篇中已经将UP的PC机全部获取到,这里直接从已知在线的PC中进行端口扫描就可以了,会节省很多时间。
代码如下,还是非常简单的:
import nmap
import time
import csv
import os class Port_Scan(object):
def __init__(self):
self.rootpath = 'C:/cunhuo/'
self.dirpath = 'C:/portScan/'
self.savepath = 'C:/portScan/result.csv'
self.csv_write = [] def get_ip(self, file):
ipList = []
with open(file, 'r') as f:
for ip in f.readlines()[1:]:
ipList.append(ip.strip()[:-3])
return ipList def scan(self, ip):
if not os.path.exists(self.dirpath):
os.mkdir(self.dirpath)
nm = nmap.PortScanner()
try:
nm.scan(ip, arguments='1-65535')
print '[*]Host:%s' % ip
for proto in nm[ip].all_protocols():
lport = nm[ip][proto].keys()
lport.sort()
for port in lport:
self.csv_write.append([ip, port, nm[ip][proto][port]['state']])
print 'port : %s\tstate : %s' % (port, nm[ip][proto][port]['state'])
except:
self.csv_write.append([ip, 'unknown', 'unknown'])
print 'port : unknown\tstate : unknown' def run(self):
print '[+]Scanning...'
startTime = time.time()
files = os.listdir(self.rootpath)
for file in files:
ips = self.get_ip(self.rootpath + file) for ip in ips:
self.scan(ip)
with open(self.savepath,'w') as f:
fieldnames = ['ip', 'port', 'state']
w = csv.writer(f, dialect='excel')
w.writerow(fieldnames)
w.writerows(self.csv_write)
endTime = time.time()
print '------------------------------------------------------'
print '[+]Scanning cost %ss, result have saved %s' % (endTime - startTime, self.savepath)
print '[+]Done.' if __name__ == '__main__':
myScan = Port_Scan()
myScan.run()
这里对于错误捕获的实现有点偷懒了,我们之前扫描出的存活主机可能在端口探测这个脚本执行时离线了,所以如果不加try…except判断的话会跑出keyerror的错误,说结果中的port、state不在字典中。但是这样加判断也有失偏颇…除了离线主机无法探测到,其他情况导致的也一并将port和state设置为unknown了,不知道以后的实验中会不会发生误报,到时候会进行修改调整。
扫描用时比较长,我就展示一下运行中的截图了:
result.csv,为什么中间会有空格呢,奇怪,慢慢改吧