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finalcontroller_skel.py
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finalcontroller_skel.py
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from pox.core import core
import pox.openflow.libopenflow_01 as of
log = core.getLogger()
class Final (object):
def __init__ (self, connection):
# Keep track of the connection to the switch so that we can
# send it messages!
self.connection = connection
# This binds our PacketIn event listener
connection.addListeners(self)
def do_final (self, packet, packet_in, port_on_switch, switch_id):
# This is where you'll put your code. The following modifications have
# been made from Lab 3:
# - port_on_switch: represents the port that the packet was received on.
# - switch_id represents the id of the switch that received the packet.
# (for example, s1 would have switch_id == 1, s2 would have switch_id == 2, etc...)
# You should use these to determine where a packet came from. To figure out where a packet
# is going, you can use the IP header information.
def drop(packet, packet_in):
print("dropping")
msg = of.ofp_flow_mod()
# installing the role to the switch
msg.match = of.ofp_match.from_packet(packet)
msg.idle_timeout = 30
msg.hard_timeout = 30
msg.data = packet_in
self.connection.send(msg)
def flood (packet, packet_in, port_num):
print("flooding")
msg = of.ofp_flow_mod()
# installs the role to the switch
msg.match = of.ofp_match.from_packet(packet)
msg.idle_timeout = 30
msg.hard_timeout = 30
msg.actions.append(of.ofp_action_output(port = port_num))
msg.data = packet_in
self.connection.send(msg)
# the actual filtering
arp = packet.find('arp')
ipv4 = packet.find('ipv4')
icmp = packet.find('icmp')
# from info:
# port_on_switch: sender's port
# switch_id: sender's switch
# dest info:
# # dest_ip: receiver's ip address
# dest_ip = str(ipv4.dstip)
# dict of "ip address" : port_num (pov of core switch)
addy = {
"10.1.1.10": 1, #h10 floor1
"10.1.2.20": 1, #h20 floor1
"10.1.3.30": 2, #h30 floor1
"10.1.4.40": 2, #h40 floor1
"10.2.5.50": 3, #h50 floor2
"10.2.6.60": 3, #h60 floor2
"10.2.7.70": 4, #h70 floor2
"10.2.8.80": 4, #h80 floor2
"106.44.82.103": 5, #h_untrust
"108.24.31.112": 6, #h_trust
"10.3.9.90": 7 #h_server
}
# if arp:
# print("it is ARP duhhh")
# flood(packet, packet_in, of.OFPP_FLOOD)
if arp:
msg = of.ofp_flow_mod()
# installs the role to the switch
msg.match = of.ofp_match.from_packet(packet)
msg.idle_timeout = 30
msg.hard_timeout = 30
msg.data = packet_in
msg.actions.append(of.ofp_action_output(port = of.OFPP_FLOOD))
self.connection.send(msg)
print("finished arping")
if ipv4 is not None:
if icmp is not None:
# dest_ip: receiver's ip address
dest_ip = str(ipv4.dstip)
# SWITCH 1
if switch_id == 1:
# check dest_ip and forward it
# from core
if dest_ip == "10.1.1.10":
flood(packet, packet_in, 20) # to h10
elif dest_ip == "10.1.2.20":
flood(packet, packet_in, 21) # to h20
else:
flood(packet, packet_in, 11) # to s3/core
# SWITCH 2
elif switch_id == 2:
# check dest_ip and forward it
if dest_ip == "10.1.3.30":
flood(packet, packet_in, 22) # to h30
elif dest_ip == "10.1.4.40":
flood(packet, packet_in, 23) # to h40
else:
flood(packet, packet_in, 12) # to s3/core
# SWITCH 3/ CORE
elif switch_id == 3:
# The firewall part
if port_on_switch == 5: # from h_untrust
if dest_ip == "10.1.1.10":
drop(packet, packet_in) # drop h10
if dest_ip == "10.1.2.20":
drop(packet, packet_in) # drop h20
if dest_ip == "10.1.3.30":
drop(packet, packet_in) # drop h30
if dest_ip == "10.1.4.40":
drop(packet, packet_in) # drop h40
if dest_ip == "10.2.5.50":
drop(packet, packet_in) # drop h50
if dest_ip == "10.2.6.60":
drop(packet, packet_in) # drop h60
if dest_ip == "10.2.7.70":
drop(packet, packet_in) # drop h70
if dest_ip == "10.2.8.80":
drop(packet, packet_in) # drop h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "10.3.9.90":
drop(packet, packet_in) # drop h_server
if port_on_switch == 6: # from h_trust
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
drop(packet, packet_in) # drop h50
if dest_ip == "10.2.6.60":
drop(packet, packet_in) # drop h60
if dest_ip == "10.2.7.70":
drop(packet, packet_in) # drop h70
if dest_ip == "10.2.8.80":
drop(packet, packet_in) # drop h80
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
drop(packet, packet_in) # drop h_server
if port_on_switch == 1 or port_on_switch == 2: # from h10-h40
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
drop(packet, packet_in) # drop h50
if dest_ip == "10.2.6.60":
drop(packet, packet_in) # drop h60
if dest_ip == "10.2.7.70":
drop(packet, packet_in) # drop h70
if dest_ip == "10.2.8.80":
drop(packet, packet_in) # drop h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
flood(packet, packet_in, addy["10.3.9.90"]) #h_server
if port_on_switch == 3 or port_on_switch == 4: # from h50-h80
if dest_ip == "10.1.1.10":
drop(packet, packet_in) # drop h10
if dest_ip == "10.1.2.20":
drop(packet, packet_in) # drop h20
if dest_ip == "10.1.3.30":
drop(packet, packet_in) # drop h30
if dest_ip == "10.1.4.40":
drop(packet, packet_in) # drop h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
flood(packet, packet_in, addy["10.3.9.90"]) #h_server
if port_on_switch == 7: # from h_server
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
# SWITCH 4
elif switch_id == 4:
# check dest_ip and forward it
# from core
if port_on_switch == 17:
flood(packet, packet_in, 10) # to s3/core
# from h_server
if port_on_switch == 10:
flood(packet, packet_in, 17) # to h_server
# SWITCH 5
elif switch_id == 5:
# check dest_ip and forward it
if dest_ip == "10.2.5.50":
flood(packet, packet_in, 24) # to h50
elif dest_ip == "10.2.6.60":
flood(packet, packet_in, 25) # to h60
else:
flood(packet, packet_in, 13) # to s3/core
# SWITCH 6
elif switch_id == 6:
# check dest_ip and forward it
if dest_ip == "10.2.7.70":
flood(packet, packet_in, 26) # to h70
elif dest_ip == "10.2.8.80":
flood(packet, packet_in, 27) # to h80
else:
flood(packet, packet_in, 14) # to s3/core
else: # ipv4 but not icmp
print("ipv4 but not icmp")
# dest_ip: receiver's ip address
dest_ip = str(ipv4.dstip)
# SWITCH 1
if switch_id == 1:
# check dest_ip and forward it
if dest_ip == "10.1.1.10":
flood(packet, packet_in, 20) # to h10
elif dest_ip == "10.1.2.20":
flood(packet, packet_in, 21) # to h20
else:
flood(packet, packet_in, 11) # to s3/core
# SWITCH 2
if switch_id == 2:
# check dest_ip and forward it
if dest_ip == "10.1.3.30":
flood(packet, packet_in, 22) # to h30
elif dest_ip == "10.1.4.40":
flood(packet, packet_in, 23) # to h40
else:
flood(packet, packet_in, 12) # to s3/core
# SWITCH 3/ CORE
if switch_id == 3:
# writing the firewall
if port_on_switch == 5: # from h_untrust
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "10.3.9.90":
drop(packet, packet_in) # drop h_server
if port_on_switch == 6: # from h_trust
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
drop(packet, packet_in) # drop h_server
if port_on_switch == 1 or port_on_switch == 2: # from h10-h40
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
flood(packet, packet_in, addy["10.3.9.90"]) #h_server
if port_on_switch == 3 or port_on_switch == 4: # from h50-h80
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
flood(packet, packet_in, addy["10.3.9.90"]) #h_server
if port_on_switch == 7: # from h_server
if dest_ip == "10.1.1.10":
flood(packet, packet_in, addy["10.1.1.10"]) #h10
if dest_ip == "10.1.2.20":
flood(packet, packet_in, addy["10.1.2.20"]) #h20
if dest_ip == "10.1.3.30":
flood(packet, packet_in, addy["10.1.3.30"]) #h30
if dest_ip == "10.1.4.40":
flood(packet, packet_in, addy["10.1.4.40"]) #h40
if dest_ip == "10.2.5.50":
flood(packet, packet_in, addy["10.2.5.50"]) #h50
if dest_ip == "10.2.6.60":
flood(packet, packet_in, addy["10.2.6.60"]) #h60
if dest_ip == "10.2.7.70":
flood(packet, packet_in, addy["10.2.7.70"]) #h70
if dest_ip == "10.2.8.80":
flood(packet, packet_in, addy["10.2.8.80"]) #h80
if dest_ip == "108.24.31.112":
flood(packet, packet_in, addy["108.24.31.112"]) #h_trust
if dest_ip == "106.44.82.103":
flood(packet, packet_in, addy["106.44.82.103"]) #h_untrust
if dest_ip == "10.3.9.90":
flood(packet, packet_in, addy["10.3.9.90"]) #h_server
# SWITCH 4
if switch_id == 4:
# check dest_ip and forward it
# from core
if port_on_switch == 10:
flood(packet, packet_in, 17) # to s3/core
# from h_server
if port_on_switch == 17:
flood(packet, packet_in, 10) # to h_server
# SWITCH 5
if switch_id == 5:
# check dest_ip and forward it
if dest_ip == "10.2.5.50":
flood(packet, packet_in, 24) # to h50
elif dest_ip == "10.2.6.60":
flood(packet, packet_in, 25) # to h60
else:
flood(packet, packet_in, 13) # to s3/core
# SWITCH 6
if switch_id == 6:
# check dest_ip and forward it
if dest_ip == "10.2.7.70":
flood(packet, packet_in, 26) # to h70
elif dest_ip == "10.2.8.80":
flood(packet, packet_in, 27) # to h80
else:
flood(packet, packet_in, 14) # to s3/core
else:
print("not ipv4 \n")
drop(packet, packet_in)
return
def _handle_PacketIn (self, event):
"""
Handles packet in messages from the switch.
"""
packet = event.parsed # This is the parsed packet data.
if not packet.parsed:
log.warning("Ignoring incomplete packet")
return
packet_in = event.ofp # The actual ofp_packet_in message.
self.do_final(packet, packet_in, event.port, event.dpid)
def launch ():
"""
Starts the component
"""
def start_switch (event):
log.debug("Controlling %s" % (event.connection,))
Final(event.connection)
core.openflow.addListenerByName("ConnectionUp", start_switch)