From d0aa55d27584b37b350721422849b510845a25bf Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Mon, 5 May 2014 14:49:30 +0200
Subject: [PATCH] http: avoid auth failure on a duplicated header

... 'WWW-Authenticate: Negotiate' received from server

Reported by: David Woodhouse
Bug: https://bugzilla.redhat.com/1093348

Upstream-commit: ec5fde24de5ddd1910730f0cbac5e77820b26eb9
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
 lib/http.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/http.c b/lib/http.c
index a6be452..46734c4 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -750,7 +750,7 @@ CURLcode Curl_http_input_auth(struct connectdata *conn,
           infof(data, "Authentication problem. Ignoring this.\n");
           data->state.authproblem = TRUE;
         }
-        else {
+        else if(data->state.negotiate.state == GSS_AUTHNONE) {
           neg = Curl_input_negotiate(conn, (bool)(httpcode == 407), start);
           if(neg == 0) {
             DEBUGASSERT(!data->req.newurl);
-- 
2.20.1