Merge pull request avinashkranjan#212 from pritamp17/network_scan

Network scannner (issue # 196)

Author: avinashkranjan

Network_scanner/Linux.png

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+# This tool will  show all the IP's on the same network and their respective MAC adresses
+
+### Modules used 
+1. scapy
+2. optparse

Network_scanner/README.md

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+try:
+    import scapy.all as scapy
+    import optparse
+except ImportError:
+    print("[+] packages not installed ")
+    print("try-> pip install scapy")
+    print("pip install optparse-pretty")
+
+
+def get_arguments():      # function to pass input in console
+    parser = optparse.OptionParser()
+    parser.add_option("-t", "--target", dest="target",
+                      help="Target IP / IP range.")
+    options, arguments = parser.parse_args()
+    return options
+
+
+def scan(ip):
+    arp_request = scapy.ARP(pdst=ip)  # destinationn ip
+    broadcast = scapy.Ether(dst="ff:ff:ff:ff:ff:ff")
+    arp_request_broadcast = broadcast/arp_request
+    # print(arp_request_broadcast.summary())
+    # arp_request_broadcast.show()
+    answered_list = scapy.srp(arp_request_broadcast,
+                              timeout=1, verbose=False)[0]
+    # print(answered_list.summary())
+    # print(unanswered.summary())
+
+    clients_list = []
+    for element in answered_list:
+        clients_dict = {"ip": element[1].psrc, "mac": element[1].hwsrc}
+        clients_list.append(clients_dict)
+        # print(element[1].psrc +"\t\t"+element[1].hwsrc)
+
+    return(clients_list)
+
+
+def print_result(result_list):
+    print("IP\t\t\tMAC ADDRESS\n..........................................................................")
+    for client in result_list:
+        print(client["ip"]+"\t\t"+client["mac"])
+
+
+options = get_arguments()
+scan_result = scan(options.target)
+print_result(scan_result)