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git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@301 e7d03fd6-7b0d-0410-9947-9c21f3af8025
22 lines
656 B
Python
22 lines
656 B
Python
# $Id$
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# routines for lazy people.
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import Base
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def revlookup(name):
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"convenience routine for doing a reverse lookup of an address"
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a = name.split('.')
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a.reverse()
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b = '.'.join(a)+'.in-addr.arpa'
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# this will only return one of any records returned.
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return Base.DnsRequest(b, qtype = 'ptr').req().answers[0]['data']
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def mxlookup(name, protocol="tcp"):
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"""
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convenience routine for doing an MX lookup of a name. returns a
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sorted list of (preference, mail exchanger) records
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"""
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a = Base.DnsRequest(name, qtype='mx', protocol=protocol).req().answers
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l = map(lambda x:x['data'], a)
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l.sort()
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return l
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