source3/winbindd/winbindd_allocate_uid.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async implementation of WINBINDD_ALLOCATE_UID
   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 "librpc/gen_ndr/ndr_winbind_c.h"
  23
  24 struct winbindd_allocate_uid_state {
  25         uint64_t uid;
  26 };
  27
  28 static void winbindd_allocate_uid_done(struct tevent_req *subreq);
  29
  30 struct tevent_req *winbindd_allocate_uid_send(TALLOC_CTX *mem_ctx,
  31                                               struct tevent_context *ev,
  32                                               struct winbindd_cli_state *cli,
  33                                               struct winbindd_request *request)
  34 {
  35         struct tevent_req *req, *subreq;
  36         struct winbindd_allocate_uid_state *state;
  37         struct dcerpc_binding_handle *child_binding_handle = NULL;
  38
  39         req = tevent_req_create(mem_ctx, &state,
  40                                 struct winbindd_allocate_uid_state);
  41         if (req == NULL) {
  42                 return NULL;
  43         }
  44
  45         DEBUG(3, ("allocate_uid\n"));
  46
  47         child_binding_handle = idmap_child_handle();
  48
  49         subreq = dcerpc_wbint_AllocateUid_send(state, ev, child_binding_handle,
  50                                                &state->uid);
  51         if (tevent_req_nomem(subreq, req)) {
  52                 return tevent_req_post(req, ev);
  53         }
  54         tevent_req_set_callback(subreq, winbindd_allocate_uid_done, req);
  55         return req;
  56 }
  57
  58 static void winbindd_allocate_uid_done(struct tevent_req *subreq)
  59 {
  60         struct tevent_req *req = tevent_req_callback_data(
  61                 subreq, struct tevent_req);
  62         struct winbindd_allocate_uid_state *state = tevent_req_data(
  63                 req, struct winbindd_allocate_uid_state);
  64         NTSTATUS status, result;
  65
  66         status = dcerpc_wbint_AllocateUid_recv(subreq, state, &result);
  67         TALLOC_FREE(subreq);
  68         if (any_nt_status_not_ok(status, result, &status)) {
  69                 tevent_req_nterror(req, status);
  70                 return;
  71         }
  72         tevent_req_done(req);
  73 }
  74
  75 NTSTATUS winbindd_allocate_uid_recv(struct tevent_req *req,
  76                                     struct winbindd_response *response)
  77 {
  78         struct winbindd_allocate_uid_state *state = tevent_req_data(
  79                 req, struct winbindd_allocate_uid_state);
  80         NTSTATUS status;
  81
  82         if (tevent_req_is_nterror(req, &status)) {
  83                 DEBUG(5, ("Could not allocate uid: %s\n", nt_errstr(status)));
  84                 return status;
  85         }
  86         response->data.uid = state->uid;
  87         return NT_STATUS_OK;
  88 }