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
  50         D_INFO("WB command user_list start.\nQuery users in domain %s.\n",
  51                domain->name);
  52         state->ev = ev;
  53         state->domain = domain;
  54
  55         subreq = dcerpc_wbint_QueryUserRidList_send(
  56                 state, ev, dom_child_handle(domain), &state->rids);
  57         if (tevent_req_nomem(subreq, req)) {
  58                 return tevent_req_post(req, ev);
  59         }
  60         tevent_req_set_callback(subreq, wb_query_user_list_gotrids, req);
  61         return req;
  62 }
  63
  64 static void wb_query_user_list_gotrids(struct tevent_req *subreq)
  65 {
  66         struct tevent_req *req = tevent_req_callback_data(
  67                 subreq, struct tevent_req);
  68         struct wb_query_user_list_state *state = tevent_req_data(
  69                 req, struct wb_query_user_list_state);
  70         NTSTATUS status, result;
  71
  72         status = dcerpc_wbint_QueryUserRidList_recv(subreq, state, &result);
  73         TALLOC_FREE(subreq);
  74         if (any_nt_status_not_ok(status, result, &status)) {
  75                 tevent_req_nterror(req, status);
  76                 return;
  77         }
  78
  79         D_DEBUG("dcerpc_wbint_QueryUserRidList returned %"PRIu32" users\n",
  80                 state->rids.num_rids);
  81
  82         subreq = dcerpc_wbint_LookupRids_send(
  83                 state, state->ev, dom_child_handle(state->domain),
  84                 &state->domain->sid, &state->rids,
  85                 &state->domain_name, &state->names);
  86         if (tevent_req_nomem(subreq, req)) {
  87                 return;
  88         }
  89         tevent_req_set_callback(subreq, wb_query_user_list_done, req);
  90 }
  91
  92 static void wb_query_user_list_done(struct tevent_req *subreq)
  93 {
  94         struct tevent_req *req = tevent_req_callback_data(
  95                 subreq, struct tevent_req);
  96         struct wb_query_user_list_state *state = tevent_req_data(
  97                 req, struct wb_query_user_list_state);
  98         NTSTATUS status, result;
  99         uint32_t i;
 100
 101         status = dcerpc_wbint_LookupRids_recv(subreq, state, &result);
 102         TALLOC_FREE(subreq);
 103         if (any_nt_status_not_ok(status, result, &status)) {
 104                 tevent_req_nterror(req, status);
 105                 return;
 106         }
 107         D_DEBUG("Processing %"PRIu32" principal(s).\n",
 108                 state->names.num_principals);
 109         for (i=0; i<state->names.num_principals; i++) {
 110                 struct wbint_Principal *p = &state->names.principals[i];
 111                 const char *name;
 112                 int ret;
 113
 114                 name = fill_domain_username_talloc(state, state->domain_name, p->name, true);
 115                 if (name == NULL) {
 116                         tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
 117                         return;
 118                 }
 119                 ret = strv_add(state, &state->users, name);
 120                 if (ret != 0) {
 121                         tevent_req_nterror(req, map_nt_error_from_unix(ret));
 122                         return;
 123                 }
 124                 D_DEBUG("%"PRIu32": Adding user %s\n", i, name);
 125         }
 126
 127         tevent_req_done(req);
 128 }
 129
 130 NTSTATUS wb_query_user_list_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
 131                                  char **users)
 132 {
 133         struct wb_query_user_list_state *state = tevent_req_data(
 134                 req, struct wb_query_user_list_state);
 135         NTSTATUS status;
 136
 137         D_INFO("WB command user_list end.\n");
 138         if (tevent_req_is_nterror(req, &status)) {
 139                 D_WARNING("Failed with: %s\n", nt_errstr(status));
 140                 return status;
 141         }
 142
 143         *users = talloc_move(mem_ctx, &state->users);
 144
 145         return NT_STATUS_OK;
 146 }