source3/registry/reg_util_token.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * Registry helper routines
   4  * Copyright (C) Michael Adam 2007
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 3 of the License, or (at your option)
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "includes.h"
  21 #include "reg_util_token.h"
  22
  23 /*
  24  * create a fake token just with enough rights to
  25  * locally access the registry:
  26  *
  27  * - builtin administrators sid
  28  * - disk operators privilege
  29  */
  30 NTSTATUS registry_create_admin_token(TALLOC_CTX *mem_ctx,
  31                                      NT_USER_TOKEN **ptoken)
  32 {
  33         NTSTATUS status;
  34         NT_USER_TOKEN *token = NULL;
  35
  36         if (ptoken == NULL) {
  37                 return NT_STATUS_INVALID_PARAMETER;
  38         }
  39
  40         token = TALLOC_ZERO_P(mem_ctx, NT_USER_TOKEN);
  41         if (token == NULL) {
  42                 DEBUG(1, ("talloc failed\n"));
  43                 status = NT_STATUS_NO_MEMORY;
  44                 goto done;
  45         }
  46         token->privileges = se_disk_operators;
  47         status = add_sid_to_array(token, &global_sid_Builtin_Administrators,
  48                                   &token->user_sids, &token->num_sids);
  49         if (!NT_STATUS_IS_OK(status)) {
  50                 DEBUG(1, ("Error adding builtin administrators sid "
  51                           "to fake token.\n"));
  52                 goto done;
  53         }
  54
  55         *ptoken = token;
  56
  57 done:
  58         return status;
  59 }