source3/winbindd/winbindd_getuserdomgroups.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async implementation of WINBINDD_GETUSERDOMGROUPS
   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 "../libcli/security/security.h"
  23
  24 struct winbindd_getuserdomgroups_state {
  25         struct dom_sid sid;
  26         int num_sids;
  27         struct dom_sid *sids;
  28 };
  29
  30 static void winbindd_getuserdomgroups_done(struct tevent_req *subreq);
  31
  32 struct tevent_req *winbindd_getuserdomgroups_send(TALLOC_CTX *mem_ctx,
  33                                                   struct tevent_context *ev,
  34                                                   struct winbindd_cli_state *cli,
  35                                                   struct winbindd_request *request)
  36 {
  37         struct tevent_req *req, *subreq;
  38         struct winbindd_getuserdomgroups_state *state;
  39         struct winbindd_domain *domain;
  40
  41         req = tevent_req_create(mem_ctx, &state,
  42                                 struct winbindd_getuserdomgroups_state);
  43         if (req == NULL) {
  44                 return NULL;
  45         }
  46
  47         /* Ensure null termination */
  48         request->data.sid[sizeof(request->data.sid)-1]='\0';
  49
  50         DEBUG(3, ("getuserdomgroups %s\n", request->data.sid));
  51
  52         if (!string_to_sid(&state->sid, request->data.sid)) {
  53                 DEBUG(1, ("Could not get convert sid %s from string\n",
  54                           request->data.sid));
  55                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
  56                 return tevent_req_post(req, ev);
  57         }
  58
  59         domain = find_domain_from_sid_noinit(&state->sid);
  60         if (domain == NULL) {
  61                 DEBUG(1,("could not find domain entry for sid %s\n",
  62                          request->data.sid));
  63                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
  64                 return tevent_req_post(req, ev);
  65         }
  66
  67         subreq = wb_lookupusergroups_send(state, ev, domain, &state->sid);
  68         if (tevent_req_nomem(subreq, req)) {
  69                 return tevent_req_post(req, ev);
  70         }
  71         tevent_req_set_callback(subreq, winbindd_getuserdomgroups_done, req);
  72         return req;
  73 }
  74
  75 static void winbindd_getuserdomgroups_done(struct tevent_req *subreq)
  76 {
  77         struct tevent_req *req = tevent_req_callback_data(
  78                 subreq, struct tevent_req);
  79         struct winbindd_getuserdomgroups_state *state = tevent_req_data(
  80                 req, struct winbindd_getuserdomgroups_state);
  81         NTSTATUS status;
  82
  83         status = wb_lookupusergroups_recv(subreq, state, &state->num_sids,
  84                                           &state->sids);
  85         TALLOC_FREE(subreq);
  86         if (tevent_req_nterror(req, status)) {
  87                 return;
  88         }
  89         tevent_req_done(req);
  90 }
  91
  92 NTSTATUS winbindd_getuserdomgroups_recv(struct tevent_req *req,
  93                                         struct winbindd_response *response)
  94 {
  95         struct winbindd_getuserdomgroups_state *state = tevent_req_data(
  96                 req, struct winbindd_getuserdomgroups_state);
  97         NTSTATUS status;
  98         int i;
  99         char *sidlist;
 100
 101         if (tevent_req_is_nterror(req, &status)) {
 102                 return status;
 103         }
 104
 105         sidlist = talloc_strdup(response, "");
 106         if (sidlist == NULL) {
 107                 return NT_STATUS_NO_MEMORY;
 108         }
 109         for (i=0; i<state->num_sids; i++) {
 110                 fstring tmp;
 111                 sidlist = talloc_asprintf_append_buffer(
 112                         sidlist, "%s\n",
 113                         sid_to_fstring(tmp, &state->sids[i]));
 114                 if (sidlist == NULL) {
 115                         return NT_STATUS_NO_MEMORY;
 116                 }
 117         }
 118         response->extra_data.data = sidlist;
 119         response->length += talloc_get_size(sidlist);
 120         response->data.num_entries = state->num_sids;
 121         return NT_STATUS_OK;
 122 }