def generate_lsu(self):
for i in self.router.ospf_interfaces: #TODO
p = scapy_ospf.Ether(
src=ROUTER_CP_INTERFACE.get("mac"), dst=i.mac) / IP(
src=i.ip_address, dst=i.neighbor_ip) / scapy_ospf.OSPF_Hdr(
src=ROUTER_ID, area=AREA_ID) / scapy_ospf.OSPF_LSUpd()
log("LSU generated")
for k in self.router.ospf_interfaces:
if k is not i:
if k.mask == "24":
temp_mask = "255.255.255.0"
else:
temp_mask = mask
p[scapy_ospf.OSPF_LSUpd].lsalist.append(
scapy_ospf.OSPF_Network_LSA(
id=k.subnet,
adrouter=self.router.router_id,
mask=temp_mask))
log("LSA Appended")
for router in self.database:
for lsa in router["lsa"]:
if lsa["mask"] == "24":
temp_mask = "255.255.255.0"
else:
temp_mask = lsa["mask"]
p[scapy_ospf.OSPF_LSUpd].lsalist.append(
scapy_ospf.OSPF_Network_LSA(id=lsa["link_id"],
adrouter=lsa["router_id"],
mask=temp_mask))
log("LSA Appended")
p.show()
sendp(p, iface=i.name)
log("LSU sent")
def generate_hello(self): #TODO
for i in self.router.ospf_interfaces:
log("Interface = {}".format(i))
log("Generating Hello with ip dest = {}".format(i.neighbor_ip))
p = scapy_ospf.Ether(
src=ROUTER_CP_INTERFACE.get("mac"), dst=i.mac) / IP(
src=i.ip_address, dst=i.neighbor_ip) / scapy_ospf.OSPF_Hdr(
src=ROUTER_ID, area=AREA_ID) / scapy_ospf.OSPF_Hello(
hellointerval=HELLOINT,
deadinterval=NEIGHBOR_TIMEOUT)
log("Hello generated")
p.show()
sendp(p, iface=i.name)
log("Hello sent")