From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Thu, 26 Mar 2015 10:04:37 +0000 (+0100)
Subject: When an application calls gnutls_server_name_set() with a name of zero size disable... 
X-Git-Tag: gnutls_3_4_0~117
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a202f385d9f80229145ddadecf4a06b8e76abb10;p=thirdparty%2Fgnutls.git

When an application calls gnutls_server_name_set() with a name of zero size disable the extension

Resolves #2
---

diff --git a/lib/ext/server_name.c b/lib/ext/server_name.c
index 43550688c9..f661231b93 100644
--- a/lib/ext/server_name.c
+++ b/lib/ext/server_name.c
@@ -400,6 +400,11 @@ gnutls_server_name_set(gnutls_session_t session,
 		goto cleanup;
 	}
 
+	if (name_length == 0) { /* unset extension */
+		_gnutls_ext_unset_session_data(session, GNUTLS_EXTENSION_SERVER_NAME);
+		return 0;
+	}
+
 	ret =
 	    _gnutls_ext_get_session_data(session,
 					 GNUTLS_EXTENSION_SERVER_NAME,