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- #!/usr/bin/python3
- import ipaddress
- import re
- # erzeuge dict für die Nummern
- n={}
- # erzeuge dict für die IP
- a={}
- # lese Logfile
- with open('/var/log/apache2/access.log', 'r') as file:
- for line in file:
- #lese IP
- ip=(re.search("^[^ ]*", line))[0]
- if ip == "202.61.224.86" :
- continue
- #erzeuge Adresse
- addr=ipaddress.ip_address(ip)
- if addr.version == 4 :
- intmask = 2^16-1
- mask = '/16'
- else :
- intmask = 2^64-1
- mask = '/64'
- #erzeuge maskierte Adresse
- ipmasked=int(addr) & intmask
- #erzeuge Netz
- net = ipaddress.ip_network(ip+mask, strict=False)
- net0 = net[0]
- #Netz existiert noch nicht?
- if (not (int(net0) in n)) :
- # lege Netz an
- n[int(net0)]=1
- a[int(net0)]={}
- #Adresse existiert noch nicht?
- if (not (ipmasked in (a[int(net0)]))) :
- # lege Adresse an
- a[int(net0)][ipmasked]=n[int(net0)]
- n[int(net0)] = n[int(net0)] + 1
- #lese Nummer der Adresse
- num=a[int(net0)][ipmasked]
- #ersetze IP mit Netz und Nummer
- print (re.sub("^[^ ]*", str(net[num]), line), end="")
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