def initialize_vic():
# Read config file and get parameters.
log.info ("Reading vic config from "+ DEFAULT_CONFIG_FILE)
f = open(DEFAULT_CONFIG_FILE, "r")
vic_config = yaml.load(f)
f.close()
# Configure each vic
vic_id = 0
taps = {}
for vic in vic_config:
log.info ("Configuring vic id: "+ str(vic_id))
ip = vic['ip']
log.info("vic_ip: "+ ip)
mac = vic['mac']
log.info("vic_mac: "+ mac)
# Create virtual interface
tap = TunTapDevice(name="vic-"+str(vic_id), flags=IFF_TAP)
tap.hwaddr = '\x00\x11\x22\x33\x44\x55'
tap.addr = ip
tap.mtu = 1500
tap.up()
log.info("Tap device {0} is up with mac: {1}".format("vic-"+str(vic_id), binascii.hexlify(tap.hwaddr)))
taps[ip] = tap
tap_list = []
for ip in taps.keys():
tap_list.append(taps[ip])
log.info("Waiting for packets on vics...")
while True:
handle_packets(tap_list)
def main():
global tap, my_mac, my_ip, server
if len(sys.argv) != 3:
print("Usage: %s url password" % sys.argv[0])
sys.exit(1)
server = sys.argv[1]
password = sys.argv[2]
while server.endswith('/'):
server = server[:-1]
session = requests.Session()
if os.path.exists("/tmp/tap0cache"):
with open("/tmp/tap0cache", "rb") as f:
data = f.read(10)
my_mac = data[:6]
my_ip = data[6:10]
else:
ans = session.post(server + '/connect', password)
res = ans.content
if ans.status_code != 200:
raise ValueError("Failed to connect: " + str(res))
my_mac = res[:6]
my_ip = res[6:10]
with open("/tmp/tap0cache", "wb") as f:
f.write(res)
tap = TunTapDevice(flags=IFF_TAP)
tap.addr = ".".join(map(str, my_ip))
print("My ip is:", tap.addr)
tap.netmask = '255.255.0.0'
tap.mtu = 1300
tap.hwaddr = my_mac
tap.up()
tap_reader = threading.Thread(target=read_data, daemon=True)
tap_reader.start()
sender = threading.Thread(target=send_data, daemon=True)
sender.start()
while True:
ans = session.post(server + '/recv', my_mac)
if ans.status_code == 204:
continue
if ans.status_code == 403:
os.remove("/tmp/tap0cache")
if ans.status_code != 200:
print("recv: received status code " + str(ans.status_code) + ": " +
ans.text)
sys.exit(1)
def process_packet(data):
packet_mac = get_mac(data)
if packet_mac == my_mac or packet_mac == BROADCAST:
tap.write(data)
parse_packets(BytesIO(ans.content), process_packet)
def run(self):
"""
Method called when starting the daemon.
"""
try:
logger.info("TapDaemon has started")
tap0 = TunTapDevice(name="tap0", flags=IFF_TAP)
tap0.hwaddr = '\x00\x11\x22\x33\x44\x55'
tap0.addr = '192.168.0.1'
tap0.dstaddr = '192.168.0.2'
tap0.netmask = '255.255.255.0'
tap0.mtu = 1500
tap0.persist(True)
tap0.up()
logger.info("tap0 interface created")
except:
logger.exception("exception: ")
try:
tap1 = TunTapDevice(name="tap1", flags=IFF_TAP)
tap1.hwaddr = '\x00\x11\x22\x33\x44\x66'
tap1.addr = '192.168.1.1'
tap1.dstaddr = '192.168.1.2'
tap1.netmask = '255.255.255.0'
tap1.mtu = 1500
tap1.persist(True)
tap1.up()
logger.info("tap1 interface created")
except:
logger.exception("exception: ")
try:
while True:
time.sleep(2)
frame = Ethernet(dst="\x01\x02\x03\x04\x05\x06", src="\x0A\x0B\x0C\x0D\x0E\x0F", type = 0x9100, data = "\x02\x55\x44\x00\x11\x00\x00\x00\x33\x22\x00\x00" + "\x61"*40) # "\x11\x00\x00\x00\x33\x22\x00\x00" #"\x00\x03\x08\x00"
tap0.write("\x11\x22\x33\x44" + str(frame))
logger.info("Frame send to tap0")
logger.info("Waiting for frame in tap1...")
buf = tap1.read(tap1.mtu)
logger.info("Received %s", hexlify(buf))
logger.info("\n\n ---------------------------------------------------")
except:
logger.exception("exception: ")
def main():
global tap, password
if len(sys.argv) != 2:
print("Usage: %s password" % sys.argv[0])
sys.exit(1)
password = sys.argv[1]
tap = TunTapDevice(flags=IFF_TAP)
tap.addr = ".".join(map(str, IP_PREFIX + (0, 1)))
tap.netmask = '255.255.0.0'
tap.mtu = 1300
tap.hwaddr = MYMAC
tap.up()
tap_reader = threading.Thread(target=read_data, daemon=True)
tap_reader.start()
print('Serving on 8088...')
WSGIServer(application, port=8088, numthreads=1000).start()
print('Create TAP device. Name = <' + DEVICE_NAME + '>')
try:
tap = TunTapDevice(name=DEVICE_NAME, flags=IFF_TAP | IFF_NO_PI)
# tun = TunTapDevice(name=DEVICE_NAME)
print('Success')
except:
print('TAP device create failure.')
sys.exit(ERROR)
print('Setting TAP device IP addr, Netmask, MTU, MAC')
try:
# '''
tap.addr = '10.20.1.1'
tap.netmask = '255.255.255.0'
tap.mtu = 1500
tap.hwaddr = b'\x00\x11\x22\x33\x44\x55'
'''
tun.addr = '10.20.1.1'
tun.netmask = '255.255.255.0'
tun.mtu = 1500
#tun.dstaddr = '10.20.1.10'
#tun.hwaddr = b'\x00\x11\x22\x33\x44\x55'
'''
print('Success')
except:
print('Settings failure')
sys.exit(ERROR)
print('TAP device UP')
try:
tap.up()
