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Diffstat (limited to 'python/vyos/ifconfig/wireguard.py')
| -rw-r--r-- | python/vyos/ifconfig/wireguard.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/python/vyos/ifconfig/wireguard.py b/python/vyos/ifconfig/wireguard.py index da3bd4e89..25c8923f7 100644 --- a/python/vyos/ifconfig/wireguard.py +++ b/python/vyos/ifconfig/wireguard.py @@ -17,6 +17,9 @@ import os import time from datetime import timedelta +from netaddr import EUI +from netaddr import mac_unix_expanded +from random import getrandbits from hurry.filesize import size from hurry.filesize import alternative @@ -169,6 +172,30 @@ class WireGuardIf(Interface): ['port', 'private_key', 'pubkey', 'psk', 'allowed_ips', 'fwmark', 'endpoint', 'keepalive'] + def get_mac(self): + """ + Get current interface MAC (Media Access Contrl) address used. + + NOTE: Tunnel interfaces have no "MAC" address by default. The content + of the 'address' file in /sys/class/net/device contains the + local-ip thus we generate a random MAC address instead + + Example: + >>> from vyos.ifconfig import Interface + >>> Interface('eth0').get_mac() + '00:50:ab:cd:ef:00' + """ + # we choose 40 random bytes for the MAC address, this gives + # us e.g. EUI('00-EA-EE-D6-A3-C8') or EUI('00-41-B9-0D-F2-2A') + tmp = EUI(getrandbits(48)).value + # set locally administered bit in MAC address + tmp |= 0xf20000000000 + # convert integer to "real" MAC address representation + mac = EUI(hex(tmp).split('x')[-1]) + # change dialect to use : as delimiter instead of - + mac.dialect = mac_unix_expanded + return str(mac) + def update(self, config): """ General helper function which works on a dictionary retrived by get_config_dict(). It's main intention is to consolidate the scattered |