From: Pieter Lexis <pieter.lexis@powerdns.com>
Date: Tue, 2 Jun 2015 13:26:42 +0000 (+0200)
Subject: Limit the maximum length of a qname
X-Git-Tag: auth-3.4.5^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F2561%2Fhead;p=thirdparty%2Fpdns.git

Limit the maximum length of a qname
---

diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
index a1e21bc824..c844f86327 100644
--- a/pdns/dnsparser.cc
+++ b/pdns/dnsparser.cc
@@ -494,6 +494,8 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&
       }
       ret.append(1,'.');
     }
+    if (ret.length() > 1024)
+      throw MOADNSException("Total name too long");
   }
 }