Delete netscan.py

netscan.py

-import sys
-import getopt
-import socket, struct
-from netaddr import *
-from datetime import date
-import json, csv
-import subprocess, platform
-import logging
-
-
-today= date.today()
-today_dot = today.strftime('%d.%m.%Y')
-
-logging.basicConfig(filename='logs/log_%s' %today,
-                    filemode='w+',
-                    format='%(asctime)s %(levelname)s %(message)s',           
-                    datefmt='%Y-%m-%d %H:%M:%S',
-                    level=logging.DEBUG)
-
-version = '1.0'
-verbose = False
-ip_range=[]
-ip_ranges=[]
-alive_devices=[]
-hostname={}
-
-def help():
-    
-    print('''
-    
-    Scans the specified network to find and list alive nodes.
-
-    Syntax:  /usr/bin/python netscan.py [-n Network -p Port -f FilePath ] ...
-    
-    example: /usr/bin/python netscan.py -n 192.168.1.0/24 -p 22 -f /etc/output.json
-             /usr/bin/python netscan.py -n 192.168.1.16/30,192.168.2.2/32 -p 22 -f /etc/output.json
-    
-    args:
-    -h --help           Help.
-    -v --version        Shows version.        
-    -n --network        Network(S) to scan.
-    -f --file-path      File path containing file name to save the output.
-                        You can write the output in .csv, .txt or .json file formats.
-
-    © 2023 Hamid Sadeghian
-    
-    ''')
-    
-
-def portscan(ips, port):
-    for ip in ips:
-        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        sock.settimeout(1)
-        result = sock.connect_ex((ip, int(port)))
-        if result == 0:
-            alive_devices.append(ip) 
-            print(ip, ' port {} is open.'.format(port))
-            logging.info('{} port {} is open.'.format(ip, port))
-        sock.close()
-    return alive_devices
-
-def pingscan(ips):
-    ping_str = '-n 2' if  platform.system().lower()=='windows' else '-c 2'
-    need_sh = False if  platform.system().lower()=='windows' else True
-    for ip in ips:
-        args = 'ping ' + ' ' + ping_str + ' ' + ip
-        # Ping
-        if subprocess.call(args, shell=need_sh) == 0:
-            alive_devices.append(ip)   
-    return alive_devices
-
-def ips(start, end):
-    start = struct.unpack('>I', socket.inet_aton(start))[0]
-    end = struct.unpack('>I', socket.inet_aton(end))[0]
-    return [socket.inet_ntoa(struct.pack('>I', i)) for i in range(start, end)]
-
-def nslook(alive_devices):
-    hostname={}
-    for i in alive_devices:
-        try:
-            p=(socket.getnameinfo((i, 0), socket.NI_NAMEREQD))
-            hostname[i]= p[0]
-        except:
-            hostname[i]= 'no dns record'
-            pass
-    return hostname
-
-def main(argv):
-    file = None
-    networks=[]
-    network=''
-
-    logging.info(' START')
-    opts, args = getopt.getopt(argv[1:],'n:f:p:hv',['help','version','network=','file-path=','port='])
-
-    for opt, arg in opts:
-        if opt in ('-h', '--help'):
-            help()
-            sys.exit()
-        elif opt in ('-v', '--version'):
-            print('Version', version)
-            sys.exit()
-        elif opt in ('-n', '--network'):
-            network = arg
-            networks = network.split(',')
-        elif opt in ('-f', '--file-path'):
-            file = arg 
-        elif opt in ('-p', '--port'):
-            port = arg
-    
-    if any((not network, not file, not port)):
-        help()
-        print('\nERROR: Mandatory parameter is missing.\n')
-        logging.error('Mandatory parameters are missing.')
-        sys.exit()
-
-    # find out ip ranges
-    for n in networks:
-        ip_ranges = IPNetwork(str(n))
-        for ip in ip_ranges:
-            ip_range.append(str(ip))
-
-    print(networks, 'will be scaned.')
-    logging.info('%s will be scaned.' %networks)
-    
-
-    #input('Press Enter to Continue...')
-    alive_devices = portscan(ip_range, port)
-    print(len(ip_range),'IPs scaned.')
-    logging.info('%s IPs scaned.'%len(ip_range))
-
-    hosts = nslook(alive_devices)
-    
-    header = ['IP-Address','Hostname']
-
-    try:
-        with open(file, 'w', encoding='UTF8', newline='') as f:
-            if '.json' in file:
-                json.dump(hosts, f, indent=2)
-            elif '.csv' in file:
-                writer = csv.DictWriter(f, fieldnames=header)
-                writer.writeheader()
-                for key in hosts.keys():
-                    f.write('%s,%s\n'%(key,hosts[key]))   
-            elif '.txt' in file:
-                for key in hosts.keys():
-                    f.write('%s     %s\n'%(key,hosts[key]))
-            else:
-                print('Unsupported file extension!')
-                logging.error('Unsupported file extension!')
-        logging.info('List of hosts inclusive DNS-Name saved in {}'.format(file))
-
-    except IOError:
-        print('Error occurred while exporting to file: {0}'.format(file))
-        logging.error('Error occurred while exporting to file: {0}'.format(file))
-
-    print('\n',len(hosts),'IP(s) with open port 22 found:',hosts,'\n')
-    logging.info('{} IP(s) with open port 22 found: {}'.format(len(hosts), hosts))
-    
-
-if __name__ == '__main__':
-   main(sys.argv)