hostname-discovery.py 文件源码

def scan():
    print "[*] Starting Scan"
    nm = nmap.PortScanner()
    if dns is not None:
        print "[*] Performing DNS lookups using DNS server: "+dns
        nm.scan(hosts=rhosts, arguments=('-sL -R --dns-server '+dns))
    else:
        print "[*] Performing DNS lookups using System DNS"
        nm.scan(hosts=rhosts, arguments='-sL -R')
    for host in nm.all_hosts():
        results.append(nm[host].hostname().lower()+","+host)
    print "[*] Scan Complete"