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