source3/winbindd/wb_lookupuseraliases.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async lookupuseraliases
   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/cli_wbint.h"
  23
  24 struct wb_lookupuseraliases_state {
  25         struct tevent_context *ev;
  26         struct wbint_SidArray sids;
  27         struct wbint_RidArray rids;
  28 };
  29
  30 static void wb_lookupuseraliases_done(struct tevent_req *subreq);
  31
  32 struct tevent_req *wb_lookupuseraliases_send(TALLOC_CTX *mem_ctx,
  33                                              struct tevent_context *ev,
  34                                              struct winbindd_domain *domain,
  35                                              int num_sids,
  36                                              const struct dom_sid *sids)
  37 {
  38         struct tevent_req *req, *subreq;
  39         struct wb_lookupuseraliases_state *state;
  40         NTSTATUS status;
  41
  42         req = tevent_req_create(mem_ctx, &state,
  43                                 struct wb_lookupuseraliases_state);
  44         if (req == NULL) {
  45                 return NULL;
  46         }
  47         state->sids.num_sids = num_sids;
  48         state->sids.sids = CONST_DISCARD(struct dom_sid *, sids);
  49
  50         status = wcache_lookup_useraliases(domain, state, num_sids, sids,
  51                                            &state->rids.num_rids,
  52                                            &state->rids.rids);
  53         if (NT_STATUS_IS_OK(status)) {
  54                 tevent_req_done(req);
  55                 return tevent_req_post(req, ev);
  56         }
  57
  58         subreq = rpccli_wbint_LookupUserAliases_send(
  59                 state, ev, domain->child.rpccli, &state->sids, &state->rids);
  60         if (tevent_req_nomem(subreq, req)) {
  61                 return tevent_req_post(req, ev);
  62         }
  63         tevent_req_set_callback(subreq, wb_lookupuseraliases_done, req);
  64         return req;
  65 }
  66
  67 static void wb_lookupuseraliases_done(struct tevent_req *subreq)
  68 {
  69         struct tevent_req *req = tevent_req_callback_data(
  70                 subreq, struct tevent_req);
  71         struct wb_lookupuseraliases_state *state = tevent_req_data(
  72                 req, struct wb_lookupuseraliases_state);
  73         NTSTATUS status, result;
  74
  75         status = rpccli_wbint_LookupUserAliases_recv(subreq, state, &result);
  76         TALLOC_FREE(subreq);
  77         if (!NT_STATUS_IS_OK(status)) {
  78                 tevent_req_nterror(req, status);
  79                 return;
  80         }
  81         if (!NT_STATUS_IS_OK(result)) {
  82                 tevent_req_nterror(req, result);
  83                 return;
  84         }
  85         tevent_req_done(req);
  86 }
  87
  88 NTSTATUS wb_lookupuseraliases_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
  89                                    uint32_t *num_aliases, uint32_t **aliases)
  90 {
  91         struct wb_lookupuseraliases_state *state = tevent_req_data(
  92                 req, struct wb_lookupuseraliases_state);
  93         NTSTATUS status;
  94
  95         if (tevent_req_is_nterror(req, &status)) {
  96                 return status;
  97         }
  98         *num_aliases = state->rids.num_rids;
  99         *aliases = talloc_move(mem_ctx, &state->rids.rids);
 100         return NT_STATUS_OK;
 101 }