Portscanner.py

#!/usr/bin/python

import argparse
from socket import *



def ShowBanner(ports,sock): 
                           try:
                             if ports == "80":
		                    sock.send("GET HTTP/1.1  \r\n")
		             else:
		                sock.send(" \r\n ")
		                results = sock.recv(4096)	
                                print "[+] Service: " + str(results) + "\n"
                           except:
                                print "[+] Service Unavailable!\n"


          

def tcpScan(targetIp,targetPort):
                         print "Port Scan Initiated on: " + targetIp + "\n" 
            
                         try: 
		            sock = socket(AF_INET,SOCK_STREAM)
		            sock.connect((targetIp,int(targetPort)))
                            print "[+] TCP Port: " +str(targetPort) + " Open"
                            ShowBanner(targetPort,sock) 	
                          
                         except:
                             print "[+] TCP Port: " +str(targetPort) + " CLOSED\n"

                         finally:
                               sock.close()

def udpScan(targetIp,targetPort):
       try:
          consock = socket(AF_INET,SOCK_DGRAM)
          consock.connect((targetIp,targetPort))
          print "[+] UDP Port Open: " + str(targetPort)
          ShowBanner(targetPort,consock)
       except:
          print "[+] UDP port closed: " + str(targetPort)
          


def checkType(ip,port,isUdp):
     for ports in port:
         if not(isUdp):
            tcpScan(ip,int(ports))
         else:
            udpScan(ip,int(ports))
       
  


def main():
    print "Welcome To TCP Port Scanner!\n"
    try:
     parser = argparse.ArgumentParser("TCP Scanner")
     parser.add_argument("-a","--address",type=str,help="Enter the ip address to scan")
     parser.add_argument("-p","--port",type=str,help="Enter The port to scan")
     parser.add_argument("-u","--udp",action="store_true")
     args = parser.parse_args()
     ipaddress = args.address
     port = args.port.split(',')
     isUdp = args.udp
    
     checkType(ipaddress,port,isUdp)
     
    except:
     print "[+] No Arugments Supplied\n example: python portscanner.py -a 192.168.43.224 -p 21,22,80"
    
main()