def test_nlri(self):
components = {
'destination': Flow4Destination(IPv4.pton("192.0.2.0"), 24),
'source': Flow4Source(IPv4.pton("10.1.2.0"), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT,
25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT,
80),
}
messages = {
'destination': [0x01, 0x18, 0xC0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0A, 0x01, 0x02],
'anyport_1': [0x04, 0x43, 0x19],
'anyport_2': [0x85, 0x50],
}
flow = Flow()
message = b""
for key in ['destination', 'source', 'anyport_1', 'anyport_2']:
flow.add(components[key])
message += bytes(messages[key])
message = bytes([len(message)]) + message
# policy.add(to_FlowAction(65000,False,False))
flow = flow.pack()
if message[0] != flow[0]:
self.fail('size mismatch %s %s\n' % (flow[0], message[0]))
if len(flow) != flow[0] + 1:
self.fail('invalid size for message')
def test_nlri (self):
components = {
'destination': Flow4Destination("192.0.2.0",24),
'source': Flow4Source("10.1.2.0",24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT,25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT,80),
}
messages = {
'destination': [0x01, 0x18, 0xc0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0a, 0x01, 0x02],
'anyport_1': [0x04, 0x43, 0x19],
'anyport_2': [0x85, 0x50],
}
flow = Flow()
message = ""
for key in ['destination','source','anyport_1','anyport_2']:
flow.add(components[key])
message += ''.join([chr(_) for _ in messages[key]])
message = chr(len(message)) + message
# policy.add(to_FlowAction(65000,False,False))
flow = flow.pack()
if message[0] != flow[0]:
self.fail('size mismatch %s %s\n' % (ord(flow[0]),ord(message[0])))
if len(flow) != ord(flow[0]) + 1:
self.fail('invalid size for message')
def route(tokeniser):
change = Change(Flow(), Attributes())
while True:
command = tokeniser()
if not command:
break
action = ParseFlow.action[command]
if action == 'nlri-add':
for adding in ParseFlow.known[command](tokeniser):
change.nlri.add(adding)
elif action == 'attribute-add':
change.attributes.add(ParseFlow.known[command](tokeniser))
elif action == 'nexthop-and-attribute':
nexthop, attribute = ParseFlow.known[command](tokeniser)
change.nlri.nexthop = nexthop
change.attributes.add(attribute)
elif action == 'nop':
pass # yes nothing to do !
else:
raise ValueError('flow: unknown command "%s"' % command)
return [change]
def test_compare(self):
components = {
'destination': Flow4Destination(IPv4.pton("192.0.2.0"), 24),
'source': Flow4Source(IPv4.pton("10.1.2.0"), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT, 25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT, 80),
'anyport_3': FlowAnyPort(NumericOperator.EQ, 80),
}
flow1 = Flow()
for key in ['destination', 'source', 'anyport_1', 'anyport_2']:
flow1.add(components[key])
flow2 = Flow()
for key in ['destination', 'source', 'anyport_3']:
flow2.add(components[key])
if flow1 != flow1:
self.fail('the flows are the same')
if flow1 == flow2:
self.fail('the flows are not the same')
def test_rule_and(self):
components = {
'destination': Flow4Destination(IPv4.pton("192.0.2.0"), 24),
'source': Flow4Source(IPv4.pton("10.1.2.0"), 24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT, 25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT, 80),
}
messages = {
'destination': [0x01, 0x18, 0xC0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0A, 0x01, 0x02],
'anyport_1': [0x04, 0x43, 0x19],
'anyport_2': [0x04, 0x85, 0x50],
}
flow = Flow()
message = b""
for key in ['destination', 'source', 'anyport_1', 'anyport_2']:
flow.add(components[key])
message += bytes(messages[key])
message = bytes([len(message)]) + message
# flow.add(to_FlowAction(65000,False,False))
flow.pack()
def test_compare (self):
components = {
'destination': Flow4Destination("192.0.2.0",24),
'source': Flow4Source("10.1.2.0",24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT,25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT,80),
'anyport_3': FlowAnyPort(NumericOperator.EQ,80),
}
flow1 = Flow()
for key in ['destination','source','anyport_1','anyport_2']:
flow1.add(components[key])
flow2 = Flow()
for key in ['destination','source','anyport_3']:
flow2.add(components[key])
if flow1 != flow1:
self.fail('the flows are the same')
if flow1 == flow2:
self.fail('the flows are not the same')
def test_rule_and (self):
components = {
'destination': Flow4Destination("192.0.2.0",24),
'source': Flow4Source("10.1.2.0",24),
'anyport_1': FlowAnyPort(NumericOperator.EQ | NumericOperator.GT,25),
'anyport_2': FlowAnyPort(NumericOperator.EQ | NumericOperator.LT,80),
}
messages = {
'destination': [0x01, 0x18, 0xc0, 0x00, 0x02],
'source': [0x02, 0x18, 0x0a, 0x01, 0x02],
'anyport_1': [0x04, 0x43, 0x19],
'anyport_2': [0x04, 0x85, 0x50],
}
flow = Flow()
message = ""
for key in ['destination','source','anyport_1','anyport_2']:
flow.add(components[key])
message += ''.join([chr(_) for _ in messages[key]])
message = chr(len(message)) + message
# flow.add(to_FlowAction(65000,False,False))
flow.pack()
def flow(tokeniser):
return Change(Flow(), Attributes())