Changeset 2201

Timestamp:

Feb 27, 2009, 2:56:54 AM (16 years ago)

Author:

quentin

Message:

Answer all PTR requests, even if we otherwise wouldn't be authoritative

Location:

trunk/packages/invirt-dns

Files:

• debian/changelog (modified) (1 diff)
• invirt-dns (modified) (2 diffs)

trunk/packages/invirt-dns/debian/changelog

@@ -1 +1 @@
 invirt-dns (0.0.10) unstable; urgency=low
 
-  * Add support for resolving PTR records in the in-addr.arpa zone
+  * Add support for resolving PTR records in the in-addr.arpa zone.
+  * If we're not authoritative for an in-addr.arpa zone, generate a
+    phantom SOA record for the exact request that came in.
 
- -- Quentin Smith <quentin@mit.edu>  Fri, 27 Feb 2009 02:39:25 -0500
+ -- Quentin Smith <quentin@mit.edu>  Fri, 27 Feb 2009 02:56:31 -0500
 
 invirt-dns (0.0.9) unstable; urgency=low

trunk/packages/invirt-dns/invirt-dns

@@ -71 +71 @@
                     best_domain = domain
             if best_domain == '':
-                return defer.fail(failure.Failure(dns.DomainError(name)))
+                if name.endswith('.in-addr.arpa'):
+                    best_domain = name # Act authoritative for the IP address for reverse resolution requests
+                else:
+                    return defer.fail(failure.Failure(dns.DomainError(name)))
             domain = best_domain
         results = []
@@ -81 +84 @@
         if cls == dns.IN:
             host = name[:-len(domain)-1]
-            if not host: # Request for the domain itself.
+            if not host and type != dns.PTR: # Request for the domain itself.
                 if type in (dns.A, dns.ALL_RECORDS):
                     record = dns.Record_A(config.dns.nameservers[0].ip, ttl)