94 lines
2.2 KiB
Python
Executable File
94 lines
2.2 KiB
Python
Executable File
#!/bin/python3
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#
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import subprocess
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import time
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class host(object):
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def __init__(self):
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self.mac = ''
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self.ip = ''
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self.vlan = 0
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self.state = ''
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self.hostname = ''
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self.lease_tm = 0
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def sortcriteria(h):
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rv = h.hostname if h.hostname != '*' else '~'
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rv += ".".join(["%03d" % int(v) for v in h.ip.split('.')])
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return rv.lower()
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def __str__(self):
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return " * %-16s - %17s - %-10s - %15s - %s" % (self.ip, self.mac, self.state, time.asctime(time.localtime(self.lease_tm)), self.hostname)
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class hostlist(dict):
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def __init__(self):
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dict.__init__(self)
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def append(self, host):
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if host.mac in self:
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if host.state < self[host.mac].state:
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self[host.mac] = host
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else:
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self[host.mac] = host
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def vlan_list(self, vlan):
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rv = hostlist()
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for h in self.values():
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if h.vlan == vlan:
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rv.append(h)
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return rv
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def __str__(self):
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entries = list(self.values())
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entries.sort(key=host.sortcriteria)
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rv = ""
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for h in entries:
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rv += str(h) + '\n'
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return rv
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hl = hostlist()
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#
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# ip n
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#
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for line in subprocess.check_output(['ip', 'n']).decode('utf-8').split('\n'):
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data = line.split(" ")
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h = host()
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h.ip = data[0]
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try:
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h.vlan = int(h.ip.split('.')[2])
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except IndexError:
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pass
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if len(data) == 6:
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h. mac = data[4]
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h.state = data[5]
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else:
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continue
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hl.append(h)
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#
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# leases
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#
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with open('/var/lib/misc/dnsmasq.leases', 'r') as fh:
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for line in fh.read().split('\n'):
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data = line.split(' ')
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if len(data) == 5:
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h = hl.get(data[1], host())
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h.lease_tm = int(data[0])
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h.mac = data[1]
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h.ip = data[2]
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try:
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h.vlan = int(h.ip.split('.')[2])
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except IndexError:
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pass
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h.hostname = data[3]
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if h.mac not in hl:
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hl.append(h)
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for vlan in [20, 30, 40, 50, 60, 90]:
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print("Hosts in VLAN %d" % vlan)
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print(hl.vlan_list(vlan))
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print()
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