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import fcntl
import socket
import struct
from collections import OrderedDict
def getHwAddr(ifname):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
info = fcntl.ioctl(s.fileno(), 0x8927, struct.pack('256s', bytes(ifname, 'utf-8')[:15]))
return ':'.join('%02x' % b for b in info[18:24])
def list_interfaces(skip_loopback=True):
interfaces = OrderedDict()
for index, iface in socket.if_nameindex():
if skip_loopback and iface == "lo":
continue
mac = getHwAddr(iface).replace(':', '-').lower()
interfaces[mac] = iface
return interfaces
def get_interface_from_mac(mac):
return list_interfaces().get(mac.lower(), None)
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