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demo.py
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demo.py
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#!/usr/bin/python
"""
This example shows how to create an empty Mininet object
(without a topology object) and add nodes to it manually.
"""
from mininet.net import Mininet
from mininet.node import Controller
from mininet.cli import CLI
from mininet.log import setLogLevel, info
import time
import json
import os
import socket
def ACL():
"Parse the JSON MUD file to extract Match rules"
with open('/usr/local/etc/controller/lighting-example.json') as data_file:
d = json.load(data_file)
#print(d)
acl = d["ietf-access-control-list:access-lists"]["acl"]
#print(acl)
#inbound rules#################################################################
idirection = str(acl[0]["acl-name"])
#print(idirection)
iace = acl[0]["access-list-entries"]["ace"][0]
#print(iace)
#input action
iact = str(iace["actions"]["permit"])
print(iact)
if iact == '[None]':
iact = 'ACCEPT'
print(iact)
# Matching rules
imatch = iace["matches"]
#print(imatch)
#inbound port
iport = str(imatch["destination-port-range"]["lower-port"])
#print(iport)
#Source IP
sip = imatch["ietf-acl-dnsname:source-hostname"]
#print(sip)
host = sip.split("//",1)[1]
host = host.split("/", 1)[0]
#print(host)
TranslatedIp = socket.gethostbyname(host)
#print(TranslatedIp)
#protocol
iproto = str(imatch["protocol"])
#print(iproto)
################################################################################
#print("Direction: "+ idirection)
#print("Drop Action: " + act)
#print("Port: " + iport)
#print("Source IP: " + TranslatedIp)
#print("Protocol:" + iproto)
#outbound rules#################################################################
odirection = str(acl[1]["acl-name"])
#print(odirection)
oace = acl[1]["access-list-entries"]["ace"][0]
#print(oace)
#action
oact = str(iace["actions"]["permit"])
#print(oact)
if oact == '[None]':
oact = 'ACCEPT'
#print(oact)
# Matching rules
omatch = oace["matches"]
#print(omatch)
#outbound port
oport = str(omatch["source-port-range"]["lower-port"])
#print(oport)
#Destination IP
dip = omatch["ietf-acl-dnsname:destination-hostname"]
#print(dip)
host = dip.split("//",1)[1]
host = host.split("/", 1)[0]
#print(host)
TranslatedIp = str(socket.gethostbyname(host))
#print(TranslatedIp)
#protocol
oproto = str(omatch["protocol"])
#print(oproto)
#################################################################################
#print("------------------------------------------------------------------------")
#print("Direction: "+ odirection)
#print("Drop Action: " + act)
#print("Port: " + oport)
#print("Destination IP: " + str(TranslatedIp))
#print("Protocol:" + oproto)
#return (TranslatedIp,iport,act,iproto)
inbound = []
inbound.append(TranslatedIp)
inbound.append(iport)
inbound.append(iact)
inbound.append(iproto)
#print(inbound)
outbound = []
outbound.append(TranslatedIp)
outbound.append(oport)
outbound.append(oact)
outbound.append(oproto)
#print(outbound)
return inbound,outbound
def MudNet():
"Create an empty network and add nodes to it."
net = Mininet( controller=Controller )
info( '*** Adding controller\n' )
net.addController( 'c0' )
info( '*** Adding MUD Architecture Blocks\n' )
hrs = net.addHost( 'RadServer', ip='10.0.0.1' )
hms = net.addHost( 'MUDServer', ip='10.0.0.2' )
hrc = net.addHost( 'RadClient', ip='10.0.0.3' )
info( '*** Adding switch\n' )
s3 = net.addSwitch( 's3' )
info( '*** Creating links\n' )
net.addLink( hrs, s3 )
net.addLink( hms, s3 )
net.addLink( hrc, s3 )
info( '*** Starting network\n')
net.start()
hrs.cmdPrint('sudo radiusd -X > radbug.txt 2>&1 &')
hrs.cmd('sleep 15')
hms.cmdPrint('python -m SimpleHTTPServer 80 &')
hms.cmd('sleep 5')
hrc.cmdPrint('sudo echo "User-Name=Shashank, User-Password=IOTSECURITY, Columbia-MUD-URI=http://10.0.0.2/mud/lighting-example.json" | /usr/local/bin/radclient -x 10.0.0.1 auth testing123')
#s3.cmdPrint('ifconfig')
net.stop()
os.system("sleep 2")
################################################################################
def emptynet():
"Create a mininet SDN with custom flow tables."
#host,port,action,protocol = ACL()
x,y = ACL()
print('Inbound access entry: '+str(x))
print('////////////////////////')
print('Outbound access entry: '+str(y))
net = Mininet( controller= Controller )
info( '*** Adding controller\n' )
#net.addController( 'c0' ) # Disable controller to create flows manually
info( '*** Adding hosts\n' )
h1 = net.addHost( 'h1', ip='192.168.0.1', mac = '00:00:00:00:00:01' ) #Desktop connected to home network
h2 = net.addHost( 'h2', ip='192.168.0.2', mac = '00:00:00:00:00:02' ) #IoT Device LED Light connected to home network
h3 = net.addHost( 'h3', ip=x[0], mac ='00:00:00:00:00:03' ) ####### IP address allowed for communication
info( '*** Adding switch\n' )
s4 = net.addSwitch( 's4' )
info( '*** Creating links\n' )
net.addLink( h1, s4 )
net.addLink( h2, s4 )
net.addLink( h3, s4 )
info( '*** Starting network\n')
net.start()
h3.cmdPrint('route add default gw 128.59.105.254 h3-eth0')
h3.cmdPrint('arp -s 128.59.105.254 00:00:00:00:33:33')
h1.cmdPrint('route add default gw 192.168.0.254 h1-eth0')
h1.cmdPrint('arp -s 192.168.0.254 00:00:00:00:00:11:11')
h2.cmdPrint('route add default gw 192.168.0.254 h2-eth0')
h2.cmdPrint('arp -s 192.168.0.254 00:00:00:00:00:11:11')
h3.cmdPrint('sudo python -m SimpleHTTPServer 80 &')
#os.system("more tables.txt")
os.system("ovs-ofctl add-flows s4 tables.txt")
info( '*** Running CLI\n' )
CLI( net )
info( '*** Stoping network' )
net.stop()
if __name__ == '__main__':
setLogLevel( 'info' )
MudNet()
emptynet()