57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
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#!/usr/bin/python
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# vim:fileencoding=utf-8
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#
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# AXFR client with IDN (Internationalized Domain Names) support
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#
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import ldns
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import encodings.idna
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def utf2name(name):
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return '.'.join([encodings.idna.ToASCII(a) for a in name.split('.')])
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def name2utf(name):
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return '.'.join([encodings.idna.ToUnicode(a) for a in name.split('.')])
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resolver = ldns.ldns_resolver.new_frm_file("/etc/resolv.conf")
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#addr = ldns.ldns_get_rr_list_addr_by_name(resolver, "zone.nic.cz", ldns.LDNS_RR_CLASS_IN, ldns.LDNS_RD);
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addr = resolver.get_addr_by_name("zone.nic.cz", ldns.LDNS_RR_CLASS_IN, ldns.LDNS_RD);
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if (not addr):
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raise Exception("Can't retrieve server address")
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print "Addr_by_name:",str(addr).replace("\n","; ")
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#remove all nameservers
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while resolver.pop_nameserver():
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pass
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#insert server addr
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for rr in addr.rrs():
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resolver.push_nameserver_rr(rr)
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#AXFR transfer
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status = resolver.axfr_start(utf2name(u"háčkyčárky.cz"), ldns.LDNS_RR_CLASS_IN)
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if status != ldns.LDNS_STATUS_OK:
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raise Exception("Can't start AXFR. Error: %s" % ldns.ldns_get_errorstr_by_id(status))
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#Print results
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while True:
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rr = resolver.axfr_next()
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if not rr:
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break
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rdf = rr.owner()
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if (rdf.get_type() == ldns.LDNS_RDF_TYPE_DNAME):
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print "RDF owner: type=",rdf.get_type_str(),"data=",name2utf(str(rdf))
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else:
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print "RDF owner: type=",rdf.get_type_str(),"data=",str(rdf)
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print " RR type=", rr.get_type_str()," ttl=",rr.ttl()
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for rdf in rr.rdfs():
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if (rdf.get_type() == ldns.LDNS_RDF_TYPE_DNAME):
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print " RDF: type=",rdf.get_type_str(),"data=",name2utf(str(rdf))
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else:
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print " RDF: type=",rdf.get_type_str(),"data=",str(rdf)
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print
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