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-rw-r--r--source4/rpc_server/lsa/lsa_init.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/source4/rpc_server/lsa/lsa_init.c b/source4/rpc_server/lsa/lsa_init.c
index e5e31c74f8..a95cb10f9f 100644
--- a/source4/rpc_server/lsa/lsa_init.c
+++ b/source4/rpc_server/lsa/lsa_init.c
@@ -199,6 +199,12 @@ NTSTATUS dcesrv_lsa_OpenPolicy2(struct dcesrv_call_state *dce_call, TALLOC_CTX *
ZERO_STRUCTP(r->out.handle);
+ if (r->in.attr == NULL ||
+ r->in.attr->root_dir != NULL) {
+ /* MS-LSAD 3.1.4.4.1 */
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
status = dcesrv_lsa_get_policy_state(dce_call, mem_ctx, &state);
if (!NT_STATUS_IS_OK(status)) {
return status;