source/utils/net_util.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Helper routines for net
   4  *  Copyright (C) Volker Lendecke 2006
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21
  22 #include "includes.h"
  23 #include "utils/net.h"
  24
  25 BOOL is_valid_policy_hnd(const POLICY_HND *hnd)
  26 {
  27         POLICY_HND tmp;
  28         ZERO_STRUCT(tmp);
  29         return (memcmp(&tmp, hnd, sizeof(tmp)) != 0);
  30 }
  31
  32 NTSTATUS net_rpc_lookup_name(TALLOC_CTX *mem_ctx, struct cli_state *cli,
  33                              const char *name, const char **ret_domain,
  34                              const char **ret_name, DOM_SID *ret_sid,
  35                              enum lsa_SidType *ret_type)
  36 {
  37         struct rpc_pipe_client *lsa_pipe;
  38         POLICY_HND pol;
  39         NTSTATUS result = NT_STATUS_OK;
  40         const char **dom_names;
  41         DOM_SID *sids;
  42         enum lsa_SidType *types;
  43
  44         ZERO_STRUCT(pol);
  45
  46         lsa_pipe = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &result);
  47         if (lsa_pipe == NULL) {
  48                 d_fprintf(stderr, "Could not initialise lsa pipe\n");
  49                 return result;
  50         }
  51
  52         result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, False,
  53                                         SEC_RIGHTS_MAXIMUM_ALLOWED,
  54                                         &pol);
  55         if (!NT_STATUS_IS_OK(result)) {
  56                 d_fprintf(stderr, "open_policy failed: %s\n",
  57                           nt_errstr(result));
  58                 return result;
  59         }
  60
  61         result = rpccli_lsa_lookup_names(lsa_pipe, mem_ctx, &pol, 1,
  62                                          &name, &dom_names, &sids, &types);
  63
  64         if (!NT_STATUS_IS_OK(result)) {
  65                 /* This can happen easily, don't log an error */
  66                 goto done;
  67         }
  68
  69         if (ret_domain != NULL) {
  70                 *ret_domain = dom_names[0];
  71         }
  72         if (ret_name != NULL) {
  73                 *ret_name = talloc_strdup(mem_ctx, name);
  74         }
  75         if (ret_sid != NULL) {
  76                 sid_copy(ret_sid, &sids[0]);
  77         }
  78         if (ret_type != NULL) {
  79                 *ret_type = types[0];
  80         }
  81
  82  done:
  83         if (is_valid_policy_hnd(&pol)) {
  84                 rpccli_lsa_close(lsa_pipe, mem_ctx, &pol);
  85         }
  86         cli_rpc_pipe_close(lsa_pipe);
  87
  88         return result;
  89 }