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use empty search list, make sure query fqdn is really a absolute fqdn

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This commit is contained in:
Thomas Waldmann 2013-10-27 08:40:54 +01:00
parent a210936dcf
commit f30d283792
1 changed files with 5 additions and 2 deletions
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7
nsupdate/main/dnstools.py
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@ -151,17 +151,20 @@ def query_ns(qname, rdtype, origin=None):
:return: IP (as str) or "-" if ns is not available
"""
origin, name = parse_name(qname, origin)
fqdn = name + origin
assert fqdn.is_absolute()
origin_str = str(origin)
nameserver = get_ns_info(origin_str)[0]
resolver = dns.resolver.Resolver(configure=False)
# we do not configure it from resolv.conf, but patch in the values we
# want into the documented attributes:
resolver.nameservers = [nameserver, ]
resolver.search = [dns.name.from_text('nsupdate.info'), ] # FIXME: should work with empty list
resolver.search = []
resolver.lifetime = RESOLVER_TIMEOUT
try:
answer = resolver.query(qname, rdtype)
answer = resolver.query(fqdn, rdtype)
ip = str(list(answer)[0])
logger.debug("query: %s answer: %s" % (fqdn.to_text(), ip))
return ip
except (dns.resolver.Timeout, dns.resolver.NoNameservers): # socket.error also?
logger.warning("timeout when querying for name '%s' in zone '%s' with rdtype '%s'." % (