source3/winbindd/wb_query_user_list.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async query_user_list
   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 "lib/util/strv.h"
  24
  25 struct wb_query_user_list_state {
  26         struct tevent_context *ev;
  27         struct winbindd_domain *domain;
  28         struct wbint_RidArray rids;
  29         const char *domain_name;
  30         struct wbint_Principals names;
  31         char *users;
  32 };
  33
  34 static void wb_query_user_list_gotrids(struct tevent_req *subreq);
  35 static void wb_query_user_list_done(struct tevent_req *subreq);
  36
  37 struct tevent_req *wb_query_user_list_send(TALLOC_CTX *mem_ctx,
  38                                            struct tevent_context *ev,
  39                                            struct winbindd_domain *domain)
  40 {
  41         struct tevent_req *req, *subreq;
  42         struct wb_query_user_list_state *state;
  43
  44         req = tevent_req_create(mem_ctx, &state,
  45                                 struct wb_query_user_list_state);
  46         if (req == NULL) {
  47                 return NULL;
  48         }
  49         state->ev = ev;
  50         state->domain = domain;
  51
  52         subreq = dcerpc_wbint_QueryUserRidList_send(
  53                 state, ev, dom_child_handle(domain), &state->rids);
  54         if (tevent_req_nomem(subreq, req)) {
  55                 return tevent_req_post(req, ev);
  56         }
  57         tevent_req_set_callback(subreq, wb_query_user_list_gotrids, req);
  58         return req;
  59 }
  60
  61 static void wb_query_user_list_gotrids(struct tevent_req *subreq)
  62 {
  63         struct tevent_req *req = tevent_req_callback_data(
  64                 subreq, struct tevent_req);
  65         struct wb_query_user_list_state *state = tevent_req_data(
  66                 req, struct wb_query_user_list_state);
  67         NTSTATUS status, result;
  68
  69         status = dcerpc_wbint_QueryUserRidList_recv(subreq, state, &result);
  70         TALLOC_FREE(subreq);
  71         if (any_nt_status_not_ok(status, result, &status)) {
  72                 tevent_req_nterror(req, status);
  73                 return;
  74         }
  75
  76         DEBUG(10, ("dcerpc_wbint_QueryUserList returned %d users\n",
  77                    state->rids.num_rids));
  78
  79         subreq = dcerpc_wbint_LookupRids_send(
  80                 state, state->ev, dom_child_handle(state->domain),
  81                 &state->domain->sid, &state->rids,
  82                 &state->domain_name, &state->names);
  83         if (tevent_req_nomem(subreq, req)) {
  84                 return;
  85         }
  86         tevent_req_set_callback(subreq, wb_query_user_list_done, req);
  87 }
  88
  89 static void wb_query_user_list_done(struct tevent_req *subreq)
  90 {
  91         struct tevent_req *req = tevent_req_callback_data(
  92                 subreq, struct tevent_req);
  93         struct wb_query_user_list_state *state = tevent_req_data(
  94                 req, struct wb_query_user_list_state);
  95         NTSTATUS status, result;
  96         int i;
  97
  98         status = dcerpc_wbint_LookupRids_recv(subreq, state, &result);
  99         TALLOC_FREE(subreq);
 100         if (any_nt_status_not_ok(status, result, &status)) {
 101                 tevent_req_nterror(req, status);
 102                 return;
 103         }
 104
 105         for (i=0; i<state->names.num_principals; i++) {
 106                 struct wbint_Principal *p = &state->names.principals[i];
 107                 fstring name;
 108                 int ret;
 109
 110                 fill_domain_username(name, state->domain_name, p->name, true);
 111
 112                 ret = strv_add(state, &state->users, name);
 113                 if (ret != 0) {
 114                         tevent_req_nterror(req, map_nt_error_from_unix(ret));
 115                         return;
 116                 }
 117         }
 118
 119         tevent_req_done(req);
 120 }
 121
 122 NTSTATUS wb_query_user_list_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
 123                                  char **users)
 124 {
 125         struct wb_query_user_list_state *state = tevent_req_data(
 126                 req, struct wb_query_user_list_state);
 127         NTSTATUS status;
 128
 129         if (tevent_req_is_nterror(req, &status)) {
 130                 return status;
 131         }
 132
 133         *users = talloc_move(mem_ctx, &state->users);
 134
 135         return NT_STATUS_OK;
 136 }