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#! usr/bin/env python

print "\n*** " + __file__ + " ***\n"

import sys, startup

from maximus.ethernet import *
from maximus.ethernet.buffer import Buffer
from maximus.ethernet.create import create_eth, create_buffer, create_sniffer
from maximus.ethernet.eth import MIN_SIZE_OF_HEADER, MAX_SIZE_OF_HEADER
from maximus.mme.mmheader import MIN_SIZE_OF_MMHEADER
from maximus.ethernet.sniffer import Sniffer
from maximus.macframe.msdu import MIN_SIZE_OF_MSDU
from maximus.simu.rx import * # for 'recv()' function
from maximus.utils.exception import Error, OutOfRangeError
from interface import *
from struct import pack, unpack


# ETH TEST

# Create a Maximus instance
m = Maximus()

# Initialize Maximus with command line arguments
m.init(sys.argv)

# Create the destination station
staRx = m.create_sta()
staRx.debug()

# Init ether
fcall = m.create_fcall('init_ether')
fcall.send(staRx)

# Create an Ethernet frame
f = Eth()

# Create an Ethernet frame
f.dst = '41:42:43:44:45:46'
f.src = '47:48:49:4a:4b:4c'
f.vlantag = 0x81004D4E
f.type = 0x4F50
s = 'This is the Ethernet Payload'
f.payload = s
if len(f) != MIN_SIZE_OF_HEADER + len(s):
    print "expected length = ", MIN_SIZE_OF_HEADER + len(s)
    print "length = ", len(f)
    raise Error('Ethernet frame payload length')
if str(f) != 'ABCDEFGHIJKLOP' + str(f.payload):
    print "expected payload =", 'ABCDEFGHIJKLOP' + str(f.payload)
    print "payload = ", str(f)
    raise Error('Ethernet frame payload')

# Create an Ethernet frame containing an IP frame
g = Eth(dst=f.dst, src=f.src)/IP()
if len(g) != MIN_SIZE_OF_HEADER + len(str(IP())):
    raise Error('Ethernet IP frame payload length')
h = unpack(34*'B', str(g))
if h != (65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 8, 0, 69, 0, 0, 20, 0, 1, 0, 0, 64, 0, 124, 231, 127, 0, 0, 1, 127, 0, 0, 1):
    raise Error('Ethernet IP frame payload')

# Send the Ethernet frame asynchronously
alloc_data_buffer(m, staRx, buffer_nb=2)
f.send(m, staRx)

# Send the Ethernet frame synchronously
alloc_data_buffer(m, staRx, buffer_nb=2)
rsp = f.sendnrecv(m, staRx)

# Uninit ether
fcall2 = m.create_fcall('uninit_ether')
fcall2.send(staRx)

# Remove the destination station
staRx.remove()


# SCAPY TEST

#print [p for p in IP()]
target="www.target.com"
target="www.target.com/30"
ip=IP(dst=target)
#hexdump(ip)
#print [p for p in ip]

#print [p for p in IP()]
a=IP(dst="172.16.1.40")
#print [p for p in a]
#print a.dst
#print a.ttl

a.ttl=32
#print [p for p in a]
del(a.ttl)
#print [p for p in a]
#print a.ttl

t=TCP()
t.flags="SA"
#print t.flags 
#print [p for p in t]
t.flags=23
#print [p for p in t]
i=IP(flags="DF+MF")
#print i.flags
#print [p for p in i]
i.flags=6
#print [p for p in i]

#print a.dst
#print a.src
del(a.dst)
#print a.dst
#print a.src
a.dst="192.168.11.10"
#print a.src
a.dst=target
#print a.src
a.src="1.2.3.4"
#print [p for p in a]

#print [p for p in IP()]
#print [p for p in IP()/TCP()]
#print [p for p in Ether()/IP()/TCP()]
#print [p for p in IP()/TCP()/"GET / HTTP/1.0\r\n\r\n"]
#print [p for p in Ether()/IP()/IP()/UDP()]
#print [p for p in IP(proto=55)/TCP()]

#print str(IP())
#print [p for p in IP(str(IP()))]
a=Ether()/IP()/TCP()/"GET /index.html HTTP/1.0 \n\n"
#hexdump(a)   
b=str(a)
#print b
c=Ether(b)
#print [p for p in c]

c.hide_defaults()
#print [p for p in c]

a=IP(dst="www.slashdot.org/30")
#hexdump(a)
#print [p for p in a]
b=IP(ttl=[1,2,(5,9)])
#hexdump(b)
#print [p for p in b]
c=TCP(dport=[80,443])
#print [p for p in a/c]

d = IP(dst="1.2.3.4")/ICMP()
e = Ether()/IP(dst="1.2.3.4",ttl=(1,4))


# DOC TEST

import doctest
doctest.testmod(buffer)
doctest.testmod(create)
doctest.testmod(eth)
doctest.testmod(scapy)
doctest.testmod(sniffer)


# UNIT TEST

import unittest

class TestEthFunctions(unittest.TestCase):

    def setUp(self):
        self.eth = Eth()
        self.eth.payload = self.eth.pad(MIN_SIZE_OF_MMHEADER - len(str(self.eth)))
        self.m = m

    def tearDown(self):
        pass

    def test_set_msdu_attr(self):
        # Test without vlantag
        p = 'ABCDEFGHIJKLMNThis is the Ethernet Payload'
        self.eth.set_msdu_attr(p)
        self.assertEqual(self.eth.dst, '41:42:43:44:45:46')
        self.assertEqual(self.eth.src, '47:48:49:4a:4b:4c')
        self.assertEqual(self.eth.type, 0x4D4E)
        self.assertEqual(str(self.eth.payload), 'This is the Ethernet Payload')
        
        # Test with vlantag
        p = 'ABCDEFGHIJKL' + pack('!I', 0x81004D4E) + 'OPThis is the Ethernet Payload'
        self.eth.set_msdu_attr(p)
        self.assertEqual(self.eth.dst, '41:42:43:44:45:46')
        self.assertEqual(self.eth.src, '47:48:49:4a:4b:4c')
        self.assertEqual(self.eth.vlantag, 0x81004D4E)
        self.assertEqual(self.eth.type, 0x4F50)
        self.assertEqual(str(self.eth.payload), 'This is the Ethernet Payload')

    def test_sendnrecv(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        none_buffer = Buffer('ETHERNET_TYPE_NONE')
        length = len(none_buffer.get_buffer_dict())
        
        # Disable the automatic buffer allocation
        realloc_buffer(False)
        
        alloc_data_buffer(self.m, sta, buffer_nb=2)
        rsp = self.eth.sendnrecv(self.m, sta, count=4)
        
        # 1st received frame is the Ethernet frame
        self.assertEqual(rsp[0].dst, 'ff:ff:ff:ff:ff:ff')
        self.assertEqual(rsp[0].src, '00:00:00:00:00:00')
        self.assertEqual(rsp[0].type, 0)
        
        # 2nd and 4th received frames are BUFFER RELEASED messages
        self.assertEqual(rsp[1].get_ether_type(), 6)
        self.assertEqual(rsp[1].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        self.assertEqual(rsp[3].get_ether_type(), 6)
        self.assertEqual(rsp[3].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        self.assertEqual(len(rsp[1].get_buffer_dict()), length)
        
        # Enable the automatic buffer allocation
        realloc_buffer(True)
        
        alloc_data_buffer(self.m, sta, buffer_nb=2)
        length = len(none_buffer.get_buffer_dict())
        rsp = self.eth.sendnrecv(self.m, sta, count=4)
                       
        # 1st received frame is the Ethernet frame
        self.assertEqual(rsp[0].dst, 'ff:ff:ff:ff:ff:ff')
        self.assertEqual(rsp[0].src, '00:00:00:00:00:00')
        self.assertEqual(rsp[0].type, 0)
        
        # 3rd and 4th received frames are BUFFER RELEASED messages
        self.assertEqual(rsp[2].get_ether_type(), 6)
        self.assertEqual(rsp[2].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        self.assertEqual(rsp[3].get_ether_type(), 6)
        self.assertEqual(rsp[3].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        self.assertEqual(len(rsp[3].get_buffer_dict()), length)
        
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_send(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        alloc_data_buffer(self.m, sta, buffer_nb=2)
        self.eth.send(self.m, sta)
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_get(self):
        # Test without vlantag
        self.eth.dst = '41:42:43:44:45:46'
        self.eth.src = '47:48:49:4a:4b:4c'
        self.eth.type = 0x4D4E
        s = 'This is the Ethernet Payload'
        self.eth.payload = s
        self.assertEqual(self.eth.get(), 'ABCDEFGHIJKLMNThis is the Ethernet Payload')
        
        # Test with vlantag
        self.eth.dst = '41:42:43:44:45:46'
        self.eth.src = '47:48:49:4a:4b:4c'
        self.eth.vlantag = 0x81004D4E
        self.eth.type = 0x4F50
        s = 'This is the Ethernet Payload'
        self.eth.payload = s
        self.assertEqual(self.eth.get(), 'ABCDEFGHIJKL' + pack('!I', 0x81004D4E) + 'OPThis is the Ethernet Payload')
        
        # Test with a bad vlantag
        test = False
        self.eth.vlantag = 0x4D4E4D4E
        try:
            self.eth.get()
        except OutOfRangeError:
            test = True
        self.assert_(test)

    def test_get_ether_type(self):
        self.assertEqual(self.eth.get_ether_type(), 1)

    def test_get_type(self):
        self.assertEqual(self.eth.get_type(), 'ETHERNET_TYPE_DATA')

    def test_create_eth(self):
        self.assertNotEqual(create_eth(), None)

suite = unittest.TestLoader().loadTestsFromTestCase(TestEthFunctions)

class TestBufferFunctions(unittest.TestCase):

    def setUp(self):
        self.data_buffer = Buffer('ETHERNET_TYPE_DATA_BUFFER_ADD')
        self.assertEqual(self.data_buffer.get_ether_type(), 3)
        self.assertEqual(self.data_buffer.get_type(), 'ETHERNET_TYPE_DATA_BUFFER_ADD')
        self.assertEqual(self.data_buffer.get_buffer_nb(), 1)
        self.mme_buffer = Buffer('ETHERNET_TYPE_MME_BUFFER_ADD', buffer_nb=2)
        self.assertEqual(self.mme_buffer.get_ether_type(), 4)
        self.assertEqual(self.mme_buffer.get_type(), 'ETHERNET_TYPE_MME_BUFFER_ADD')
        self.assertEqual(self.mme_buffer.get_buffer_nb(), 2)
        self.interface_buffer = Buffer('ETHERNET_TYPE_INTERFACE_BUFFER_ADD', buffer_nb=3)
        self.assertEqual(self.interface_buffer.get_ether_type(), 5)
        self.assertEqual(self.interface_buffer.get_type(), 'ETHERNET_TYPE_INTERFACE_BUFFER_ADD')
        self.assertEqual(self.interface_buffer.get_buffer_nb(), 3)
        self.m = m

    def tearDown(self):
        pass

    def test_set_type(self):
        self.data_buffer.set_type('ETHERNET_TYPE_BUFFER_RELEASED')
        self.assertEqual(self.data_buffer.get_ether_type(), 6)
        self.assertEqual(self.data_buffer.get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        try:
            self.mme_buffer.set_type('ETHERNET_TYPE_MME')
        except OutOfRangeError:
            self.assertEqual(self.mme_buffer.get_ether_type(), 0)
            self.assertEqual(self.mme_buffer.get_type(), 'ETHERNET_TYPE_NONE')

    def test_set_buffer_nb(self):
        self.data_buffer.set_buffer_nb(123)
        self.assertEqual(self.data_buffer.get_buffer_nb(), 123)
        try:
            self.mme_buffer.set_buffer_nb(-123)
        except OutOfRangeError:
            self.assertEqual(self.mme_buffer.get_buffer_nb(), 0)

    def test_set_buffer_realloc(self):
        self.assertEqual(self.data_buffer.get_buffer_realloc(), False)
        self.data_buffer.set_buffer_realloc(True)
        self.assertEqual(self.data_buffer.get_buffer_realloc(), True)
        self.data_buffer.set_buffer_realloc(False)

    def test_realloc(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        realloc_buffer(True)
        buffer_id = 123
        self.interface_buffer.get_buffer_dict()[buffer_id] = 'ETHERNET_TYPE_DATA_BUFFER_ADD'
        self.interface_buffer.realloc(station_id=sta.get_station_id(), payload=pack('I', buffer_id))
        buffer_id = 456
        self.interface_buffer.get_buffer_dict()[buffer_id] = 'ETHERNET_TYPE_MME_BUFFER_ADD'
        self.interface_buffer.realloc(station_id=sta.get_station_id(), payload=pack('I', buffer_id))
        buffer_id = 789
        self.interface_buffer.get_buffer_dict()[buffer_id] = 'ETHERNET_TYPE_INTERFACE_BUFFER_ADD'
        self.interface_buffer.realloc(station_id=sta.get_station_id(), payload=pack('I', buffer_id))
        rsp = recv(self.m, count=2)
        self.assertEqual(rsp[0].get_type(), 'ETHERNET_TYPE_SNIFFER')
        self.assertEqual(rsp[1].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        realloc_buffer(False)
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_set_msdu_attr(self):
        id = 123
        self.assert_(self.data_buffer.get_buffer_dict().has_key(id))
        self.data_buffer.set_msdu_attr(pack('I', id))
        self.assert_(not self.data_buffer.get_buffer_dict().has_key(id))

    def test_sendnrecv(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        interface_buffer = Buffer('ETHERNET_TYPE_INTERFACE_BUFFER_ADD', buffer_nb=2)
        rsp = interface_buffer.sendnrecv(self.m, sta, count=2)
        self.assertEqual(rsp[0].get_type(), 'ETHERNET_TYPE_SNIFFER')
        self.assertEqual(rsp[1].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_send(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        mme_buffer = Buffer('ETHERNET_TYPE_MME_BUFFER_ADD', buffer_nb=10)
        mme_buffer.send(self.m, sta)
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_get(self):
        mme_buffer = Buffer('ETHERNET_TYPE_MME_BUFFER_ADD', buffer_nb=3)
        buf = mme_buffer.get()
        res = pack('I', mme_buffer.get_buffer_nb())
        for i in range (0, 3):
            res += pack('I', mme_buffer.get_buffer_id() - 2 + i)
        self.assertEqual(buf, res)

    def test_create_buffer(self):
        self.assertNotEqual(create_buffer(), None)

    def test_alloc_data_buffer(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        alloc_data_buffer(self.m, sta)
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_alloc_mme_buffer(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        alloc_mme_buffer(self.m, sta)
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_alloc_interface_buffer(self):
        sta = self.m.create_sta()
        self.m.create_fcall('init_ether').send(sta)
        realloc_buffer(True)
        alloc_interface_buffer(self.m, sta)
        rsp = recv(self.m, count=2)
        self.assertEqual(rsp[0].get_type(), 'ETHERNET_TYPE_SNIFFER')
        self.assertEqual(rsp[1].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        realloc_buffer(False)
        alloc_interface_buffer(self.m, sta)
        rsp = recv(self.m, count=2)
        self.assertEqual(rsp[0].get_type(), 'ETHERNET_TYPE_SNIFFER')
        self.assertEqual(rsp[1].get_type(), 'ETHERNET_TYPE_BUFFER_RELEASED')
        self.m.create_fcall('uninit_ether').send(sta)
        sta.remove()

    def test_realloc_buffer(self):
        self.assertEqual(self.interface_buffer.get_buffer_realloc(), False)
        realloc_buffer(True)
        self.assertEqual(self.interface_buffer.get_buffer_realloc(), True)
        realloc_buffer(False)

    def test_get_buffer_dict(self):
        get_buffer_dict()

suite.addTests(unittest.TestLoader().loadTestsFromTestCase(TestBufferFunctions))

class TestSnifferFunctions(unittest.TestCase):

    def setUp(self):
        self.sniffer = Sniffer()
        self.assertEqual(self.sniffer.get(), None)
        self.assertEqual(self.sniffer.get_ether_type(), 7)
        self.assertEqual(self.sniffer.get_type(), 'ETHERNET_TYPE_SNIFFER')
        self.m = m

    def tearDown(self):
        pass

    def test_set_msdu_attr(self):
        payload = "This is the sniffed packed"
        self.sniffer.set_msdu_attr(payload)
        self.assertEqual(self.sniffer.get(), payload)

    def test_display(self):
        self.sniffer.display()
        self.sniffer.set_msdu_attr("ABCD")
        self.sniffer.display()

    def test_create_sniffer(self):
        self.assertNotEqual(create_sniffer(), None)

suite.addTests(unittest.TestLoader().loadTestsFromTestCase(TestSnifferFunctions))

try:
    suite.addTest(doctest.DocTestSuite(buffer))
    suite.addTest(doctest.DocTestSuite(create))
    suite.addTest(doctest.DocTestSuite(eth))
    suite.addTest(doctest.DocTestSuite(scapy))
    suite.addTest(doctest.DocTestSuite(sniffer))
except ValueError:
	print "has no tests"

if __name__ == '__main__':
    testResult = unittest.TextTestRunner(verbosity=2).run(suite)
    # For nightly build errors
    sys.exit ((1, 0)[testResult.wasSuccessful ()])