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use netaddr to lookup mac address

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gitmod 2016-01-22 19:33:26 +01:00
parent 78148368b5
commit bde7fab3f9
1 changed files with 5 additions and 10 deletions
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15
src/opnsense/scripts/interfaces/list_arp.py
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@ -34,17 +34,11 @@ import os
import os.path
import sys
import ujson
from netaddr import *
if __name__ == '__main__':
result = []
# import mac manufacturer mac address table (index by mac prefix)
mac_table = {}
if os.path.isfile('/usr/local/share/nmap/nmap-mac-prefixes'):
for mac in open('/usr/local/share/nmap/nmap-mac-prefixes').read().split('\n'):
if len(mac) > 8:
mac_table[mac[0:6]] = mac[7:]
# import dhcp_leases (index by ip address)
dhcp_leases = {}
dhcp_leases_filename = '/var/dhcpd/var/db/dhcpd.leases'
@ -70,9 +64,10 @@ if __name__ == '__main__':
'manufacturer': '',
'hostname': ''
}
manufacturer_mac = record['mac'].replace(':' ,'')[:6].upper()
if manufacturer_mac in mac_table:
record['manufacturer'] = mac_table[manufacturer_mac]
manufacturer_mac = EUI(record['mac'])
oui = manufacturer_mac.oui
if oui.registration().org:
record['manufacturer'] = oui.registration().org
if record['ip'] in dhcp_leases:
record['hostname'] = dhcp_leases[record['ip']]['hostname']
result.append(record)