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