From 6139e89b4721abe7e08ea6f8b2313f60642787d3 Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Fri, 5 Jun 2015 23:33:26 +0200
Subject: [PATCH] fix up the worst non-sodium breakage

---
 pdns/dnsdist.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pdns/dnsdist.cc b/pdns/dnsdist.cc
index d373e7c39..aa0d6e756 100644
--- a/pdns/dnsdist.cc
+++ b/pdns/dnsdist.cc
@@ -729,7 +729,8 @@ void doClient(ComboAddress server, const std::string& command)
     string response;
     string msg=sodEncryptSym(command, g_key, ours);
     putMsgLen(fd, msg.length());
-    writen2(fd, msg);
+    if(!msg.empty())
+      writen2(fd, msg);
     uint16_t len;
     getMsgLen(fd, &len);
     char resp[len];
@@ -773,8 +774,10 @@ void doClient(ComboAddress server, const std::string& command)
     writen2(fd, msg);
     uint16_t len;
     getMsgLen(fd, &len);
+
     char resp[len];
-    readn2(fd, resp, len);
+    if(len)
+      readn2(fd, resp, len);
     msg.assign(resp, len);
     msg=sodDecryptSym(msg, g_key, theirs);
     cout<<msg<<endl;
-- 
2.40.0