1 #$ neutron_plugin 01

     2 

     3 import socket

     4 

     5 def dns_query(query):

     6 	try:

     7 		int(query[-1])

     8 	except ValueError:

     9 		try:

    10 			return socket.gethostbyname(query)

    11 		except socket.gaierror:

    12 			return 'Unable to Resolve'

    13 	else:

    14 		try:

    15 			(hostname, aliaslist, ipaddrlist) = socket.gethostbyaddr(query)

    16 		except socket.herror:

    17 			return 'Unable to Resolve'

    18 		return hostname + ' ' + string.join(aliaslist) + ' ' + string.join(aliaslist)

    19 

    20 def handler_dns_dns(type, source, parameters):

    21 	if parameters.strip():

    22 		result = dns_query(parameters)

    23 		smsg(type, source, result)

    24 	else:

    25 		smsg(type, source, 'Invalid Syntax')

    26 

    27 register_command_handler(handler_dns_dns, '!dns', 0, 'Returns the DNS lookup for a host or IP address.', '!dns <host/IP>', ['!dns jabber.org', '!dns 127.0.0.1'])