Limit the maximum length of a qname

diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
index 5610c833747e2385aae2d7f69721ff27cc66f77b..999a0025d48b338e1473c258a808081bc8e03e1b 100644 (file)
--- a/pdns/dnsparser.cc
+++ b/pdns/dnsparser.cc
@@ -493,6 +493,8 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&
       }
       ret.append(1,'.');
     }
+    if (ret.length() > 1024)
+      throw MOADNSException("Total name too long");
   }
 }