From 54cf6f3ecce8d5bcbc734ef25f1ce81ffa9c80b9 Mon Sep 17 00:00:00 2001
From: Bert Hubert <bert.hubert@netherlabs.nl>
Date: Tue, 5 Aug 2008 18:51:24 +0000
Subject: [PATCH] implement some EDNS0 sanity checks

git-svn-id: svn://svn.powerdns.com/pdns/trunk/pdns@1252 d19b8d6e-7fed-0310-83ef-9ca221ded41b
---
 pdns/dnspacket.cc     | 2 +-
 pdns/pdns_recursor.cc | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pdns/dnspacket.cc b/pdns/dnspacket.cc
index e59d6895a..e8ef9411e 100644
--- a/pdns/dnspacket.cc
+++ b/pdns/dnspacket.cc
@@ -442,7 +442,7 @@ try
   d_ednsping.clear();
 
   if(getEDNSOpts(mdp, &edo)) {
-    d_maxreplylen=edo.d_packetsize;
+    d_maxreplylen=max(edo.d_packetsize, (uint16_t)1280);
 
     for(vector<pair<uint16_t, string> >::const_iterator iter = edo.d_options.begin();
 	iter != edo.d_options.end(); 
diff --git a/pdns/pdns_recursor.cc b/pdns/pdns_recursor.cc
index 2fb4ef2ac..fa11c5b9d 100644
--- a/pdns/pdns_recursor.cc
+++ b/pdns/pdns_recursor.cc
@@ -513,7 +513,7 @@ void startDoResolve(void *p)
     uint16_t maxudpsize=512;
     EDNSOpts edo;
     if(getEDNSOpts(dc->d_mdp, &edo)) {
-      maxudpsize=edo.d_packetsize;
+      maxudpsize=max(edo.d_packetsize, (uint16_t)1280);
     }
     
     vector<DNSResourceRecord> ret;
-- 
2.49.0