Franziska Kunsmann
27753d50c4
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96 lines
2.1 KiB
Python
96 lines
2.1 KiB
Python
#!/usr/bin/env python3
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from concurrent.futures import ThreadPoolExecutor, as_completed
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from ipaddress import ip_address, IPv6Address
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from sys import argv, exit
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from dns.exception import Timeout
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from dns.resolver import Resolver, NoAnswer, NXDOMAIN, NoNameservers
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BLOCKLISTS = [
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'0spam.fusionzero.com',
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'bl.mailspike.org',
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'bl.spamcop.net',
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'blackholes.brainerd.net',
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'dnsbl-1.uceprotect.net',
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'dnsbl-2.uceprotect.net',
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'dnsbl-3.uceprotect.net',
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'l2.spews.dnsbl.sorbs.net',
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'list.dsbl.org',
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'map.spam-rbl.com',
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'multihop.dsbl.org',
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'ns1.unsubscore.com',
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'opm.blitzed.org',
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'psbl.surriel.com',
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'rbl.efnet.org',
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'rbl.schulte.org',
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'spamguard.leadmon.net',
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'ubl.unsubscore.com',
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'unconfirmed.dsbl.org',
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'virbl.dnsbl.bit.nl',
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'zen.spamhaus.org',
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]
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def check_list(ip_list, blocklist):
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resolver = Resolver()
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resolver.timeout = 5
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resolver.lifetime = 5
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dns_name = '{}.{}'.format(
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'.'.join(ip_list),
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blocklist,
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)
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returncode = 0
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msgs = []
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try:
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result = resolver.query(dns_name)
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for item in result:
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msgs.append('{} listed in {} as {}'.format(
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ip,
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blocklist,
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item,
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))
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returncode = 2
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except (NoAnswer, NXDOMAIN, NoNameservers, Timeout):
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# Probably fine
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pass
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except Exception as e:
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return [repr(e)], 3
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return msgs, returncode
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try:
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ip = ip_address(argv[1])
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except Exception:
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print('usage: {} <ip>'.format(argv[0]))
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exit(3)
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if isinstance(ip, IPv6Address):
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ip_list = list(ip.exploded.replace(':', ''))
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else:
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ip_list = ip.exploded.split('.')
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ip_list.reverse()
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exitcode = 0
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with ThreadPoolExecutor(max_workers=len(BLOCKLISTS)) as executor:
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futures = set()
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for blocklist in BLOCKLISTS:
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futures.add(executor.submit(check_list, ip_list, blocklist))
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for future in as_completed(futures):
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msgs, this_exitcode = future.result()
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for msg in msgs:
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print(msg)
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exitcode = max(exitcode, this_exitcode)
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if exitcode == 0:
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print('OK')
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exit(exitcode)
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