parser.add_argument( '--static', action='store_true', \
help='pwospf not employed, so generate full rtable.conf\'s for all routers') # TODO split line
parser.add_argument( '-s', '--switch', action='store_true', \
help="turn forth into a simple tree topology with four hosts and a switch") # TODO split line
parser.add_argument( '-n', '--nointernet', action='store_true', \
help="don't connect to the internet")
args, unknown = parser.parse_known_args( argv )
lg.setLogLevel( 'info' )
tyne = Tyne()
net = Mininet(topo=tyne)
# NAT to _the internet_
if (not args.nointernet):
info( '*** Connecting to the internet (think dial-up modem sound)\n')
rootnode = connectToInternet( net, switch='s0' )
# Start mininet and configure each of the hosts
# (order in list is alphabetical order)
info( '*** Starting mininet\n' )
# Do router mode configuration
r0, h0, h1 = net.hosts[2], net.hosts[0], net.hosts[1]
# Configure r0 (let the student's code override the Linux network stack &
# set MAC addresses of interfaces)
info( '*** Configuring router network stacks\n' )
for i in range(3):
r0.cmd( 'ip addr flush dev r0-eth%d' % i )
r0.cmd( 'ip -6 addr flush dev r0-eth%d' % i )
iface_mac = '00:00:00:00:01:'+str(i+1)
r2_rtable.add('0.0.0.0', '10.0.3.1', '0.0.0.0',
'r2-eth0') # default route
r2_rtable.add('10.0.1.0', '10.0.3.1', '255.255.255.0', 'r2-eth0')
r2_rtable.add('10.0.2.0', '10.0.3.1', '255.255.255.0', 'r2-eth0')
r2_rtable.add('10.0.3.0', '10.0.3.1', '255.255.255.0', 'r2-eth0')
r2_rtable.add('10.0.6.1', '10.0.6.1', '255.255.255.255', 'r2-eth2')
r2_rtable.add('10.0.4.0', '10.0.6.1', '255.255.255.0', 'r2-eth2')
else:
info('*** Adding h1 to rtable for r2\n')
r2_rtable.add('10.0.5.0', '10.0.5.2', '255.255.255.0', 'r2-eth1')
r2_rtable.createFile('r2-' + args.rtable)
# NAT to _the internet_
if (not args.nointernet):
info('*** Connecting to the internet (think dial-up modem sound)\n')
rootnode = connectToInternet(net, switch='s0')
# Start mininet and configure each of the hosts
# (order in list is alphabetical order)
info('*** Starting mininet\n')
# Do router mode configuration
if (not args.switch):
r0, r1, r2, h0, h1 = net.hosts[2], net.hosts[3], \
net.hosts[4], net.hosts[0], net.hosts[1]
# Configure r0 (let the student's code override the Linux network stack &
# set MAC addresses of interfaces)
info('*** Configuring router network stacks\n')
j = 0
for r in [r0, r1, r2]:
print "Error: invalid technique number"
sys.exit(1)
elif prevent > 3:
print "Error: technique not yet implemented"
sys.exit(1)
else:
usage()
sys.exit(1)
# Setup the virtualized attack
with DHCPTopo() as topo:
net = Mininet(topo=topo, link=TCLink, switch=LinuxBridge,
controller=None, autoSetMacs=True)
h1, dhcp, evil, switch = net.get('h1', 'dhcp', 'evil', 's1')
setupPrivateFS(h1, topo.client_etc, topo.client_var)
rootnode = connectToInternet(net, inetIntf, 's1')
try:
raw_input("Press return after you've started wireshark on s1")
if prevent == 2:
clientBlockingConfig(h1, dhcp.MAC())
# Set up a good DHCP and DNS server
startGoodDHCPserver(dhcp, gw=rootnode.IP(), dns=dhcp.IP())
startGoodDNSserver(dhcp)
if prevent == 1:
startSwitchBlocking(switch, dhcp.MAC())
elif prevent == 4:
startSwitchCouterattack(switch, dhcp.MAC())
