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Python, pasted on Jun 6:
#!/usr/bin/env python
import nmap                         # import nmap.py module
nm = nmap.PortScanner()             # instantiate nmap.PortScanner object
nm.scan('127.0.0.1', '22-443')      # scan host 127.0.0.1, ports from 22 to 443
nm.command_line()                   # get command line used for the scan : nmap -oX - -p 22-443 127.0.0.1
nm.scaninfo()                       # get nmap scan informations {'tcp': {'services': '22-443', 'method': 'connect'}}
nm.all_hosts()                      # get all hosts that were scanned
nm['127.0.0.1'].hostname()          # get hostname for host 127.0.0.1
nm['127.0.0.1'].state()             # get state of host 127.0.0.1 (up|down|unknown|skipped)
nm['127.0.0.1'].all_protocols()     # get all scanned protocols ['tcp', 'udp'] in (ip|tcp|udp|sctp)
nm['127.0.0.1']['tcp'].keys()       # get all ports for tcp protocol
nm['127.0.0.1'].all_tcp()           # get all ports for tcp protocol (sorted version)
nm['127.0.0.1'].all_udp()           # get all ports for udp protocol (sorted version)
nm['127.0.0.1'].all_ip()            # get all ports for ip protocol (sorted version)
nm['127.0.0.1'].all_sctp()          # get all ports for sctp protocol (sorted version)
nm['127.0.0.1'].has_tcp(22)         # is there any information for port 22/tcp on host 127.0.0.1
nm['127.0.0.1']['tcp'][22]          # get infos about port 22 in tcp on host 127.0.0.1
nm['127.0.0.1'].tcp(22)             # get infos about port 22 in tcp on host 127.0.0.1
nm['127.0.0.1']['tcp'][22]['state'] # get state of port 22/tcp on host 127.0.0.1 (open


# a more usefull example :
for host in nm.all_hosts():
        print('----------------------------------------------------')
        print('Host : %s (%s)' % (host, nm[host].hostname()))
        print('State : %s' % nm[host].state())

        for proto in nm[host].all_protocols():
            print('----------')
            print('Protocol : %s' % proto)

            lport = nm[host][proto].keys()
            lport.sort()
            for port in lport:
                print('port : %s\tstate : %s' % (port, nm[host][proto][port]['state']))

        print('----------------------------------------------------')
        # print result as CSV
        print(nm.csv())


        print('----------------------------------------------------')
    # If you want to do a pingsweep on network 192.168.1.0/24:
        nm.scan(hosts='192.168.1.0/24', arguments='-n -sP -PE -PA21,23,80,3389')
        hosts_list = [(x, nm[x]['status']['state']) for x in nm.all_hosts()]
        for host, status in hosts_list:
          print('{0}:{1}'.format(host, status))


        print '----------------------------------------------------'
        # Asynchronous usage of PortScannerAsync
        nma = nmap.PortScannerAsync()
        def callback_result(host, scan_result):
         print '------------------'
         print host, scan_result
         nma.scan(hosts='192.168.1.0/30', arguments='-sP', callback=callback_result)
         while nma.still_scanning():
          print("Waiting ...")
          nma.wait(2)
          # you can do whatever you want but I choose to wait after the end of the scan


Output:
1
2
3
4
Traceback (most recent call last):
  Line 2, in <module>
    import nmap                         # import nmap.py module
ImportError: No module named nmap


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