source3/winbindd/winbindd_getpwuid.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async implementation of WINBINDD_GETPWUID
   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_getpwuid_state {
  24         struct tevent_context *ev;
  25         struct dom_sid sid;
  26         struct winbindd_pw pw;
  27 };
  28
  29 static void winbindd_getpwuid_uid2sid_done(struct tevent_req *subreq);
  30 static void winbindd_getpwuid_done(struct tevent_req *subreq);
  31
  32 struct tevent_req *winbindd_getpwuid_send(TALLOC_CTX *mem_ctx,
  33                                           struct tevent_context *ev,
  34                                           struct winbindd_cli_state *cli,
  35                                           struct winbindd_request *request)
  36 {
  37         struct tevent_req *req, *subreq;
  38         struct winbindd_getpwuid_state *state;
  39
  40         req = tevent_req_create(mem_ctx, &state,
  41                                 struct winbindd_getpwuid_state);
  42         if (req == NULL) {
  43                 return NULL;
  44         }
  45         state->ev = ev;
  46
  47         DEBUG(3, ("getpwuid %d\n", (int)request->data.uid));
  48
  49         subreq = wb_uid2sid_send(state, ev, request->data.uid);
  50         if (tevent_req_nomem(subreq, req)) {
  51                 return tevent_req_post(req, ev);
  52         }
  53         tevent_req_set_callback(subreq, winbindd_getpwuid_uid2sid_done,
  54                                 req);
  55         return req;
  56 }
  57
  58 static void winbindd_getpwuid_uid2sid_done(struct tevent_req *subreq)
  59 {
  60         struct tevent_req *req = tevent_req_callback_data(
  61                 subreq, struct tevent_req);
  62         struct winbindd_getpwuid_state *state = tevent_req_data(
  63                 req, struct winbindd_getpwuid_state);
  64         NTSTATUS status;
  65
  66         status = wb_uid2sid_recv(subreq, &state->sid);
  67         TALLOC_FREE(subreq);
  68         if (!NT_STATUS_IS_OK(status)) {
  69                 tevent_req_nterror(req, status);
  70                 return;
  71         }
  72
  73         subreq = wb_getpwsid_send(state, state->ev, &state->sid, &state->pw);
  74         if (tevent_req_nomem(subreq, req)) {
  75                 return;
  76         }
  77         tevent_req_set_callback(subreq, winbindd_getpwuid_done, req);
  78 }
  79
  80 static void winbindd_getpwuid_done(struct tevent_req *subreq)
  81 {
  82         struct tevent_req *req = tevent_req_callback_data(
  83                 subreq, struct tevent_req);
  84         NTSTATUS status;
  85
  86         status = wb_getpwsid_recv(subreq);
  87         TALLOC_FREE(subreq);
  88         if (!NT_STATUS_IS_OK(status)) {
  89                 tevent_req_nterror(req, status);
  90                 return;
  91         }
  92         tevent_req_done(req);
  93 }
  94
  95 NTSTATUS winbindd_getpwuid_recv(struct tevent_req *req,
  96                                 struct winbindd_response *response)
  97 {
  98         struct winbindd_getpwuid_state *state = tevent_req_data(
  99                 req, struct winbindd_getpwuid_state);
 100         NTSTATUS status;
 101
 102         if (tevent_req_is_nterror(req, &status)) {
 103                 DEBUG(5, ("Could not convert sid %s: %s\n",
 104                           sid_string_dbg(&state->sid), nt_errstr(status)));
 105                 return status;
 106         }
 107         response->data.pw = state->pw;
 108         return NT_STATUS_OK;
 109 }