diff options
Diffstat (limited to 'dns/update.py')
| -rw-r--r-- | dns/update.py | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/dns/update.py b/dns/update.py index 9615a73..e21a283 100644 --- a/dns/update.py +++ b/dns/update.py @@ -300,17 +300,24 @@ class UpdateMessage(dns.message.Message): # Updates are always one_rr_per_rrset return True - def _validate_rrset(self, section, rrset): + def _parse_rr_header(self, reader, section, rdclass, rdtype): + deleting = None + empty = False if section == UpdateSection.ZONE: - if rrset.rdtype != dns.rdatatype.SOA: + if dns.rdataclass.is_metaclass(rdclass) or \ + rdtype != dns.rdatatype.SOA or \ + getattr(reader, 'zone_rdclass', None): raise dns.exception.FormError - - def _finish_section(self, section): - if section == UpdateSection.ZONE and len(self.zone) != 1: - raise dns.exception.FormError - self.zone_rdclass = self.zone[0].rdclass - # We do NOT want to set origin here, as that would cause - # from_wire() relativization. + reader.zone_rdclass = rdclass + else: + if not getattr(reader, 'zone_rdclass', None): + raise dns.exception.FormError + if rdclass in (dns.rdataclass.ANY, dns.rdataclass.NONE): + deleting = rdclass + rdclass = reader.zone_rdclass + empty = (deleting == dns.rdataclass.ANY or + section == UpdateSection.PREREQ) + return (rdclass, rdtype, deleting, empty) # backwards compatibility Update = UpdateMessage |