From: Bob Halley <halley@nominum.com>
Date: Fri, 19 Jun 2009 12:11:53 +0000 (+0100)
Subject: Handle negative prerequisites
X-Git-Tag: v1.7.1~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2fed04fe676122dc3005a5460004897bddae39f1;p=thirdparty%2Fdnspython.git

Handle negative prerequisites
---

diff --git a/ChangeLog b/ChangeLog
index 80af6757..c9058d2b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-06-19  Bob Halley  <halley@dnspython.org>
+
+	* Negative prerequisites were not handled correctly in _get_section().
+
 2009-06-19  Bob Halley  <halley@dnspython.org>
 
 	* (Version 1.7.0 released)
diff --git a/dns/message.py b/dns/message.py
index d30e9c81..eec9acb5 100644
--- a/dns/message.py
+++ b/dns/message.py
@@ -671,7 +671,9 @@ class _WireReader(object):
                     rdclass = self.zone_rdclass
                 else:
                     deleting = None
-                if deleting == dns.rdataclass.ANY:
+                if deleting == dns.rdataclass.ANY or \
+                   (deleting == dns.rdataclass.NONE and \
+                    section == self.message.answer):
                     covers = dns.rdatatype.NONE
                     rd = None
                 else: