/*

   Unix SMB/CIFS implementation.

   Authentication utility functions

   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2017

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "includes.h"

#include "librpc/ndr/libndr.h"

#include "librpc/gen_ndr/ndr_auth.h"

#include "auth_util.h"

struct auth_session_info *copy_session_info(TALLOC_CTX *mem_ctx,

              const struct auth_session_info *src)

{

  TALLOC_CTX *frame = talloc_stackframe();

  struct auth_session_info *dst;

  DATA_BLOB blob;

  enum ndr_err_code ndr_err;

  ndr_err = ndr_push_struct_blob(

    &blob,

    frame,

    src,

    (ndr_push_flags_fn_t)ndr_push_auth_session_info);

  if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {

    DBG_ERR("copy_session_info(): ndr_push_auth_session_info "

      "failed: %s\n",

      ndr_errstr(ndr_err));

    TALLOC_FREE(frame);

    return NULL;

  }

  dst = talloc_zero(mem_ctx, struct auth_session_info);

  if (dst == NULL) {

    DBG_ERR("talloc failed\n");

    TALLOC_FREE(frame);

    return NULL;

  }

  ndr_err = ndr_pull_struct_blob(

    &blob,

    dst,

    dst,

    (ndr_pull_flags_fn_t)ndr_pull_auth_session_info);

  if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {

    DBG_ERR("copy_session_info(): ndr_pull_auth_session_info "

      "failed: %s\n",

      ndr_errstr(ndr_err));

    TALLOC_FREE(dst);

    TALLOC_FREE(frame);

    return NULL;

  }

  TALLOC_FREE(frame);

  return dst;

}