Remove the old "SecureRandom" service, formerly used by get_random_bytes()

src/trusted/service_runtime/name_service/default_name_service.c

-/*
- * Copyright (c) 2011 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "native_client/src/trusted/service_runtime/name_service/default_name_service.h"
-
-#include "native_client/src/shared/platform/nacl_log.h"
-#include "native_client/src/trusted/desc/nacl_desc_rng.h"
-#include "native_client/src/trusted/manifest_name_service_proxy/manifest_proxy.h"
-#include "native_client/src/trusted/service_runtime/include/sys/fcntl.h"
-#include "native_client/src/trusted/service_runtime/sel_ldr_thread_interface.h"
-
-int NaClDefaultNameServiceInit(struct NaClNameService *ns) {
-  /*
-   * Create an CSPRNG and enter it into the name server.
-   */
-  struct NaClDescRng  *rng = NULL;
-
-  rng = (struct NaClDescRng *) malloc(sizeof *rng);
-  if (NULL == rng) {
-    goto malloc_failed;
-  }
-  if (!NaClDescRngCtor(rng)) {
-    goto rng_ctor_failed;
-  }
-
-  /*
-   * It may appear desirable to insert a factory for rng, so there can
-   * be per-thread secure rng access.  However, note that the only way
-   * we "transfer" a RNG is to create a new (but indistinguishable)
-   * RNG at the recipient, so each lookup results in a new generator
-   * anyway.
-   */
-  (*NACL_VTBL(NaClNameService, ns)->
-   CreateDescEntry)(ns,
-                    "SecureRandom", NACL_ABI_O_RDWR,
-                    (struct NaClDesc *) rng);
-  rng = NULL;
-
-  return 1;
-
- rng_ctor_failed:
-  free(rng);
- malloc_failed:
-  return 0;
-}