source3/winbindd/winbindd_getpwsid.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async implementation of WINBINDD_GETPWSID
   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 #include "../libcli/security/security.h"
  23
  24 struct winbindd_getpwsid_state {
  25         struct dom_sid sid;
  26         struct winbindd_pw pw;
  27 };
  28
  29 static void winbindd_getpwsid_done(struct tevent_req *subreq);
  30
  31 struct tevent_req *winbindd_getpwsid_send(TALLOC_CTX *mem_ctx,
  32                                           struct tevent_context *ev,
  33                                           struct winbindd_cli_state *cli,
  34                                           struct winbindd_request *request)
  35 {
  36         struct tevent_req *req, *subreq;
  37         struct winbindd_getpwsid_state *state;
  38
  39         req = tevent_req_create(mem_ctx, &state,
  40                                 struct winbindd_getpwsid_state);
  41         if (req == NULL) {
  42                 return NULL;
  43         }
  44
  45         /* Ensure null termination */
  46         request->data.sid[sizeof(request->data.sid)-1]='\0';
  47
  48         DBG_NOTICE("[%s (%u)] getpwsid %s\n",
  49                    cli->client_name,
  50                    (unsigned int)cli->pid,
  51                    request->data.sid);
  52
  53         if (!string_to_sid(&state->sid, request->data.sid)) {
  54                 DEBUG(1, ("Could not get convert sid %s from string\n",
  55                           request->data.sid));
  56                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
  57                 return tevent_req_post(req, ev);
  58         }
  59
  60         subreq = wb_getpwsid_send(state, ev, &state->sid, &state->pw);
  61         if (tevent_req_nomem(subreq, req)) {
  62                 return tevent_req_post(req, ev);
  63         }
  64         tevent_req_set_callback(subreq, winbindd_getpwsid_done, req);
  65         return req;
  66 }
  67
  68 static void winbindd_getpwsid_done(struct tevent_req *subreq)
  69 {
  70         struct tevent_req *req = tevent_req_callback_data(
  71                 subreq, struct tevent_req);
  72         NTSTATUS status;
  73
  74         status = wb_getpwsid_recv(subreq);
  75         TALLOC_FREE(subreq);
  76         if (tevent_req_nterror(req, status)) {
  77                 return;
  78         }
  79         tevent_req_done(req);
  80 }
  81
  82 NTSTATUS winbindd_getpwsid_recv(struct tevent_req *req,
  83                                 struct winbindd_response *response)
  84 {
  85         struct winbindd_getpwsid_state *state = tevent_req_data(
  86                 req, struct winbindd_getpwsid_state);
  87         NTSTATUS status;
  88
  89         if (tevent_req_is_nterror(req, &status)) {
  90                 struct dom_sid_buf buf;
  91                 DEBUG(5, ("Could not convert sid %s: %s\n",
  92                           dom_sid_str_buf(&state->sid, &buf),
  93                           nt_errstr(status)));
  94                 return status;
  95         }
  96         response->data.pw = state->pw;
  97         return NT_STATUS_OK;
  98 }