From 9fa94aa10778bbd680315e93b23175423e338c40 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Sun, 8 Jan 2017 18:00:38 +0100
Subject: [PATCH] dirmngr: Strip root zone suffix from libdns SRV results.

* dirmngr/dns-stuff.c (getsrv_libdns): Strip trailing dot from the
target.
--

See-also: b200e636ab20d2aa93d9f71f3789db5a04af0a56
Signed-off-by: Werner Koch <wk@gnupg.org>
---
 dirmngr/dns-stuff.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dirmngr/dns-stuff.c b/dirmngr/dns-stuff.c
index e32e1e3e1..028b065ab 100644
--- a/dirmngr/dns-stuff.c
+++ b/dirmngr/dns-stuff.c
@@ -1591,6 +1591,10 @@ getsrv_libdns (const char *name, struct srventry **list, unsigned int *r_count)
       srv->weight   = dsrv.weight;
       srv->port     = dsrv.port;
       mem2str (srv->target, dsrv.target, sizeof srv->target);
+      /* Libdns appends the root zone part which is problematic for
+       * most other functions - strip it.  */
+      if (*srv->target && (srv->target)[strlen (srv->target)-1] == '.')
+        (srv->target)[strlen (srv->target)-1] = 0;
     }
 
   *r_count = srvcount;