r4077: don't add wrapping to empty blobs

metze
(This used to be commit e6d83d019dc46ff7ae32e7c8f9f7a3ab7d0cdcf3)

diff --git a/source4/libcli/auth/gssapi_parse.c b/source4/libcli/auth/gssapi_parse.c
index 63bca6d5aaf254a2a032555bee9dad1cabfc79ff..e1fb2e9cf585cbf03d3d755821dd51baa4c9f9af 100644 (file)
--- a/source4/libcli/auth/gssapi_parse.c
+++ b/source4/libcli/auth/gssapi_parse.c
@@ -34,7 +34,11 @@
 DATA_BLOB gensec_gssapi_gen_krb5_wrap(TALLOC_CTX *mem_ctx, const DATA_BLOB *ticket, const uint8 tok_id[2])
 {
        struct asn1_data data;
-       DATA_BLOB ret;
+       DATA_BLOB ret = data_blob(NULL,0);
+
+       if (!ticket->data) {
+               return ret;
+       }
 
        ZERO_STRUCT(data);