From 636f92bae00b6dc0d79710166aaa2d98b522e9a7 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Fri, 23 Feb 2018 17:05:58 +0100
Subject: [PATCH] Truncated packets cannot be parsed by miekg/dns; clear the
 error flag when it happens

Fixes #177
---
 dnscrypt-proxy/plugins.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dnscrypt-proxy/plugins.go b/dnscrypt-proxy/plugins.go
index 9774ace0..031e8152 100644
--- a/dnscrypt-proxy/plugins.go
+++ b/dnscrypt-proxy/plugins.go
@@ -155,6 +155,9 @@ func (pluginsState *PluginsState) ApplyResponsePlugins(pluginsGlobals *PluginsGl
 	pluginsState.action = PluginsActionForward
 	msg := dns.Msg{}
 	if err := msg.Unpack(packet); err != nil {
+		if len(packet) >= MinDNSPacketSize && HasTCFlag(packet) {
+			err = nil
+		}
 		return packet, err
 	}
 	pluginsGlobals.RLock()