Limit the maximum length of a qname

PowerDNS · Jun 5, 2015 · a0a1482 · a0a1482
1 parent dbedfc5
commit a0a1482
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
@@ -470,6 +470,8 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&
       }
       ret.append(1,'.');
     }
+    if (ret.length() > 1024)
+      throw MOADNSException("Total name too long");
   }
 }