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/ndr_winbind_c.h"
  23 #include "libcli/security/dom_sid.h"
  24
  25 struct wb_lookupuseraliases_state {
  26         struct tevent_context *ev;
  27         struct wbint_SidArray sids;
  28         struct wbint_RidArray rids;
  29 };
  30
  31 static void wb_lookupuseraliases_done(struct tevent_req *subreq);
  32
  33 struct tevent_req *wb_lookupuseraliases_send(TALLOC_CTX *mem_ctx,
  34                                              struct tevent_context *ev,
  35                                              struct winbindd_domain *domain,
  36                                              uint32_t num_sids,
  37                                              const struct dom_sid *sids)
  38 {
  39         struct tevent_req *req, *subreq;
  40         struct wb_lookupuseraliases_state *state;
  41         uint32_t i;
  42
  43         req = tevent_req_create(mem_ctx, &state,
  44                                 struct wb_lookupuseraliases_state);
  45         if (req == NULL) {
  46                 return NULL;
  47         }
  48
  49         D_INFO("WB command lookupuseraliases start.\n"
  50                "Query domain %s for max %"PRIu32" SID(s).\n",
  51                domain->name, num_sids);
  52
  53         for (i = 0; i < num_sids; i++) {
  54                 struct dom_sid_buf buf;
  55                 D_INFO("%"PRIu32": SID %s\n", i, dom_sid_str_buf(&sids[i], &buf));
  56         }
  57         state->sids.num_sids = num_sids;
  58         state->sids.sids = discard_const_p(struct dom_sid, sids);
  59
  60         subreq = dcerpc_wbint_LookupUserAliases_send(
  61                 state, ev, dom_child_handle(domain), &state->sids, &state->rids);
  62         if (tevent_req_nomem(subreq, req)) {
  63                 return tevent_req_post(req, ev);
  64         }
  65         tevent_req_set_callback(subreq, wb_lookupuseraliases_done, req);
  66         return req;
  67 }
  68
  69 static void wb_lookupuseraliases_done(struct tevent_req *subreq)
  70 {
  71         struct tevent_req *req = tevent_req_callback_data(
  72                 subreq, struct tevent_req);
  73         struct wb_lookupuseraliases_state *state = tevent_req_data(
  74                 req, struct wb_lookupuseraliases_state);
  75         NTSTATUS status, result;
  76
  77         status = dcerpc_wbint_LookupUserAliases_recv(subreq, state, &result);
  78         TALLOC_FREE(subreq);
  79         if (any_nt_status_not_ok(status, result, &status)) {
  80                 D_WARNING("LookupUserAliases failed with %s.\n",
  81                           nt_errstr(status));
  82                 tevent_req_nterror(req, status);
  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         uint32_t i;
  95
  96         if (tevent_req_is_nterror(req, &status)) {
  97                 return status;
  98         }
  99         *num_aliases = state->rids.num_rids;
 100         D_INFO("WB command lookupuseraliases end.\nGot %"PRIu32" alias(es):\n",
 101                *num_aliases);
 102         for (i = 0; i < *num_aliases; i++) {
 103                 D_INFO("%"PRIu32": RID %"PRIu32"\n", i, state->rids.rids[i]);
 104         }
 105
 106         *aliases = talloc_move(mem_ctx, &state->rids.rids);
 107         return NT_STATUS_OK;
 108 }