>From fb5b168b05a2efad72f9aecd992f5bb0a1fc85ec Mon Sep 17 00:00:00 2001
From: Jakub Hrozek <jhrozek@redhat.com>
Date: Wed, 8 Apr 2015 14:31:06 +0200
Subject: [PATCH 2/3] dyndns: Log nsupdate stderr with a high debug level

https://fedorahosted.org/sssd/ticket/2224
---
 src/providers/dp_dyndns.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/providers/dp_dyndns.c b/src/providers/dp_dyndns.c
index 7db21509d181b1a5f2de0fd603711e7829a5a452..eb69731b513e283467ccd8be16179f231a6b6bad 100644
--- a/src/providers/dp_dyndns.c
+++ b/src/providers/dp_dyndns.c
@@ -925,6 +925,7 @@ struct tevent_req *be_nsupdate_send(TALLOC_CTX *mem_ctx,
     struct tevent_req *subreq = NULL;
     struct be_nsupdate_state *state;
     char **args;
+    int debug_fd;
 
     req = tevent_req_create(mem_ctx, &state, struct be_nsupdate_state);
     if (req == NULL) {
@@ -952,6 +953,17 @@ struct tevent_req *be_nsupdate_send(TALLOC_CTX *mem_ctx,
             goto done;
         }
 
+        if (debug_level >= SSSDBG_TRACE_LIBS) {
+            debug_fd = get_fd_from_debug_file();
+            ret = dup2(debug_fd, STDERR_FILENO);
+            if (ret == -1) {
+                ret = errno;
+                DEBUG(SSSDBG_MINOR_FAILURE,
+                    "dup2 failed [%d][%s].\n", ret, strerror(ret));
+                /* stderr is not fatal */
+            }
+        }
+
         args = be_nsupdate_args(state, auth_type, force_tcp);
         if (args == NULL) {
             ret = ENOMEM;
-- 
2.1.0