From: Luke Howard <lukeh@padl.com>
Date: Sun, 2 Jan 2011 07:33:38 +0000 (+1100)
Subject: Allow zero length but non-NULL tokens on init_sec_context
X-Git-Tag: vm/20110310~69
X-Git-Url: http://www.project-moonshot.org/gitweb/?p=mech_eap.orig;a=commitdiff_plain;h=3a7e1802f5033a991f3e9212f4fd68601c09fb24

Allow zero length but non-NULL tokens on init_sec_context
---

diff --git a/init_sec_context.c b/init_sec_context.c
index bc3f554..b46f981 100644
--- a/init_sec_context.c
+++ b/init_sec_context.c
@@ -730,7 +730,7 @@ gss_init_sec_context(OM_uint32 *minor,
 
     sm = &eapGssInitiatorSm[ctx->state];
 
-    if (input_token != GSS_C_NO_BUFFER) {
+    if (input_token != GSS_C_NO_BUFFER && input_token->length != 0) {
         major = gssEapVerifyToken(minor, ctx, input_token,
                                   &tokType, &innerInputToken);
         if (GSS_ERROR(major))