diff options
Diffstat (limited to 'lib/dnspython/dns/resolver.py')
| -rw-r--r-- | lib/dnspython/dns/resolver.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/dnspython/dns/resolver.py b/lib/dnspython/dns/resolver.py index f803eb6d20..30977f3a8b 100644 --- a/lib/dnspython/dns/resolver.py +++ b/lib/dnspython/dns/resolver.py @@ -61,6 +61,10 @@ class NoRootSOA(dns.exception.DNSException): This should never happen!""" pass +class NoMetaqueries(dns.exception.DNSException): + """Metaqueries are not allowed.""" + pass + class Answer(object): """DNS stub resolver answer @@ -571,8 +575,12 @@ class Resolver(object): qname = dns.name.from_text(qname, None) if isinstance(rdtype, (str, unicode)): rdtype = dns.rdatatype.from_text(rdtype) + if dns.rdatatype.is_metatype(rdtype): + raise NoMetaqueries if isinstance(rdclass, (str, unicode)): rdclass = dns.rdataclass.from_text(rdclass) + if dns.rdataclass.is_metaclass(rdclass): + raise NoMetaqueries qnames_to_try = [] if qname.is_absolute(): qnames_to_try.append(qname) |