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import os
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 enrichIfaceTypes(interfaces :dict):
result = {}
for iface in interfaces:
if os.path.isdir(f"/sys/class/net/{iface}/bridge/"):
result[iface] = 'BRIDGE'
elif os.path.isfile(f"/sys/class/net/{iface}/tun_flags"):
# ethtool -i {iface}
result[iface] = 'TUN/TAP'
elif os.path.isdir(f"/sys/class/net/{iface}/device"):
if os.path.isdir(f"/sys/class/net/{iface}/wireless/"):
result[iface] = 'WIRELESS'
else:
result[iface] = 'PHYSICAL'
else:
result[iface] = 'UNKNOWN'
return result
def get_interface_from_mac(mac):
return list_interfaces().get(mac.lower(), None)
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