#!/usr/bin/env python

import socket, sys

from optparse import OptionParser

def scan_server(address, port):

s = socket.socket()

print "Attempting to connect to %s on port %s." %(address, port)

try:

s.connect((address, port))

print "Connected to server %s on port %s." %(address, port)

return True

except socket.error, e:

print "Connecting to %s on port %s failed with the following error: %s" %(address, port, e)

return False

if __name__ == '__main__':

#if True == True:

print 'go:'

parser = OptionParser()

parser.add_option("-a", "--address", dest="address", default="localhost", help="ADDRESS for server", metavar="ADDRESS")

parser.add_option("-p", "--port", dest="port", help="PORT for server", metavar="PORT")

(options, args) = parser.parse_args()

if options.port == 'all':

print 'checking all ports...'

for x in range(1,6 5536):

print 'checking port %s on %s' %(x, options.address)

check = scan_server(options.address, x)

print 'scan_server returned %s' %(check)

else:

options.port = int(options.port)

print 'options: %s, args: %s' %(options, args)

check = scan_server(options.address, options.port)

print 'scan_server returned %s' %(check)

sys.exit(not check)