More work on initiator state machine

[cyrus-sasl.git] / mech_eap / unwrap_iov.c

diff --git a/mech_eap/unwrap_iov.c b/mech_eap/unwrap_iov.c
index c084380..6ed4caf 100644 (file)
--- a/mech_eap/unwrap_iov.c
+++ b/mech_eap/unwrap_iov.c
@@ -471,6 +471,9 @@ gssEapUnwrapOrVerifyMIC(OM_uint32 *minor,
     if (!CTX_IS_ESTABLISHED(ctx))
         return GSS_S_NO_CONTEXT;
 
+    if (ctx->encryptionType == ENCTYPE_NULL)
+        return GSS_S_UNAVAILABLE;
+
     if (gssEapLocateIov(iov, iov_count, GSS_IOV_BUFFER_TYPE_STREAM) != NULL) {
         major = unwrapStream(minor, ctx, conf_state, qop_state,
                              iov, iov_count, toktype);