s3-epmapper: Make sure we work on a description duplicate.

diff --git a/source3/rpc_server/epmapper/srv_epmapper.c b/source3/rpc_server/epmapper/srv_epmapper.c
index d8798b4557ecf33b819c1aab393cef6e2023c2bc..156d993a8140ab6816d5bca1cc9b4d112f467292 100644 (file)
--- a/source3/rpc_server/epmapper/srv_epmapper.c
+++ b/source3/rpc_server/epmapper/srv_epmapper.c
@@ -192,7 +192,10 @@ static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
                                                        iface->iface->name);
                        eps[total].syntax_id = iface->iface->syntax_id;
 
-                       description = d->ep_description;
+                       description = dcerpc_binding_dup(mem_ctx, d->ep_description);
+                       if (description == NULL) {
+                               return 0;
+                       }
                        description->object = iface->iface->syntax_id;
                        if (description->transport == NCACN_IP_TCP &&
                            srv_addr != NULL &&
@@ -204,6 +207,7 @@ static uint32_t build_ep_list(TALLOC_CTX *mem_ctx,
                        status = dcerpc_binding_build_tower(eps,
                                                            description,
                                                            &eps[total].ep);
+                       TALLOC_FREE(description);
                        if (NT_STATUS_IS_ERR(status)) {
                                DEBUG(1, ("Unable to build tower for %s\n",
                                          iface->iface->name));