From d4dbabb814cbf8b886f778834609aa614f48d502 Mon Sep 17 00:00:00 2001
From: "Dr. Stephen Henson" <steve@openssl.org>
Date: Tue, 15 Jul 2014 12:22:49 +0100
Subject: [PATCH] Don't allow -www etc options with DTLS.

The options which emulate a web server don't make sense when doing DTLS.
Exit with an error if an attempt is made to use them.

PR#3453
(cherry picked from commit 58a2aaeade8bdecd0f9f0df41927f7cff3012547)
---
 apps/s_server.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/apps/s_server.c b/apps/s_server.c
index a399f5978f..e0ec5fa700 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -1524,6 +1524,14 @@ bad:
 		sv_usage();
 		goto end;
 		}
+#ifndef OPENSSL_NO_DTLS1
+	if (www && socket_type == SOCK_DGRAM)
+		{
+		BIO_printf(bio_err,
+				"Can't use -HTTP, -www or -WWW with DTLS\n");
+		goto end;
+		}
+#endif
 
 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
 	if (jpake_secret)
-- 
2.25.1