def test_mac_to_ipv6():
mac = EUI('00-1B-77-49-54-FD')
eui = mac.eui64()
assert mac == EUI('00-1B-77-49-54-FD')
assert eui == EUI('00-1B-77-FF-FE-49-54-FD')
assert mac.modified_eui64() == EUI('02-1B-77-FF-FE-49-54-FD')
assert mac.ipv6_link_local() == IPAddress('fe80::21b:77ff:fe49:54fd')
assert eui.ipv6_link_local() == IPAddress('fe80::21b:77ff:fe49:54fd')
assert mac.ipv6(0x12340000000000000000000000000000) == IPAddress('1234::21b:77ff:fe49:54fd')
assert eui.ipv6(0x12340000000000000000000000000000) == IPAddress('1234::21b:77ff:fe49:54fd')
def test_mac_to_ipv6():
mac = EUI('00-1B-77-49-54-FD')
eui = mac.eui64()
assert mac == EUI('00-1B-77-49-54-FD')
assert eui == EUI('00-1B-77-FF-FE-49-54-FD')
assert mac.modified_eui64() == EUI('02-1B-77-FF-FE-49-54-FD')
assert mac.ipv6_link_local() == IPAddress('fe80::21b:77ff:fe49:54fd')
assert eui.ipv6_link_local() == IPAddress('fe80::21b:77ff:fe49:54fd')
assert mac.ipv6(0x12340000000000000000000000000000) == IPAddress(
'1234::21b:77ff:fe49:54fd')
assert eui.ipv6(0x12340000000000000000000000000000) == IPAddress(
'1234::21b:77ff:fe49:54fd')
import math
import struct
import hashlib
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='Generate a Unique Local Address'
)
parser.add_argument('-m', '--mac', help='MAC address',
default=uuid.getnode())
args = parser.parse_args()
try:
eui48 = EUI(args.mac)
except Exception as err:
print('{}: {}'.format(parser.prog, err), file=sys.stderr)
sys.exit(1)
else:
eui64 = eui48.modified_eui64()
now = datetime.utcnow()
start = datetime(1900, 1, 1, 0, 0, 0)
delta = (now - start).total_seconds()
subsec, sec = math.modf(delta)
ntpstamp = (int(sec) << 32) + int(subsec * 0xffffffff)
key = eui64.packed + struct.pack('Q', ntpstamp)
id = hashlib.sha1(key).hexdigest()[-10:]
print('fd{}:{}:{}::/48'.format(id[0:2], id[2:6], id[6:10]))
sys.exit(0)
