source3/winbindd/winbindd_uid_to_sid.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async implementation of WINBINDD_UID_TO_SID
   4    Copyright (C) Volker Lendecke 2009
   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 3 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, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "winbindd.h"
  22
  23 struct winbindd_uid_to_sid_state {
  24         struct tevent_context *ev;
  25         uid_t uid;
  26         struct dom_sid sid;
  27 };
  28
  29 static void winbindd_uid_to_sid_done(struct tevent_req *subreq);
  30
  31 struct tevent_req *winbindd_uid_to_sid_send(TALLOC_CTX *mem_ctx,
  32                                             struct tevent_context *ev,
  33                                             struct winbindd_request *request)
  34 {
  35         struct tevent_req *req, *subreq;
  36         struct winbindd_uid_to_sid_state *state;
  37
  38         req = tevent_req_create(mem_ctx, &state,
  39                                 struct winbindd_uid_to_sid_state);
  40         if (req == NULL) {
  41                 return NULL;
  42         }
  43         state->ev = ev;
  44
  45         DEBUG(3, ("uid_to_sid %d\n", (int)request->data.uid));
  46
  47         subreq = wb_uid2sid_send(state, ev, request->data.uid);
  48         if (tevent_req_nomem(subreq, req)) {
  49                 return tevent_req_post(req, ev);
  50         }
  51         tevent_req_set_callback(subreq, winbindd_uid_to_sid_done, req);
  52         return req;
  53 }
  54
  55 static void winbindd_uid_to_sid_done(struct tevent_req *subreq)
  56 {
  57         struct tevent_req *req = tevent_req_callback_data(
  58                 subreq, struct tevent_req);
  59         struct winbindd_uid_to_sid_state *state = tevent_req_data(
  60                 req, struct winbindd_uid_to_sid_state);
  61         NTSTATUS status;
  62
  63         status = wb_uid2sid_recv(subreq, &state->sid);
  64         TALLOC_FREE(subreq);
  65         if (!NT_STATUS_IS_OK(status)) {
  66                 tevent_req_nterror(req, status);
  67                 return;
  68         }
  69         tevent_req_done(req);
  70 }
  71
  72 NTSTATUS winbindd_uid_to_sid_recv(struct tevent_req *req,
  73                                   struct winbindd_response *response)
  74 {
  75         struct winbindd_uid_to_sid_state *state = tevent_req_data(
  76                 req, struct winbindd_uid_to_sid_state);
  77         NTSTATUS status;
  78
  79         if (tevent_req_is_nterror(req, &status)) {
  80                 DEBUG(5, ("Could not convert sid %s: %s\n",
  81                           sid_string_dbg(&state->sid), nt_errstr(status)));
  82                 return status;
  83         }
  84         sid_to_fstring(response->data.sid.sid, &state->sid);
  85         response->data.sid.type = SID_NAME_USER;
  86         return NT_STATUS_OK;
  87 }