Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    async implementation of WINBINDD_GETUSERSIDS
       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_getusersids_state {
      25             :         struct dom_sid sid;
      26             :         uint32_t num_sids;
      27             :         struct dom_sid *sids;
      28             : };
      29             : 
      30             : static void winbindd_getusersids_done(struct tevent_req *subreq);
      31             : 
      32         248 : struct tevent_req *winbindd_getusersids_send(TALLOC_CTX *mem_ctx,
      33             :                                              struct tevent_context *ev,
      34             :                                              struct winbindd_cli_state *cli,
      35             :                                              struct winbindd_request *request)
      36             : {
      37           0 :         struct tevent_req *req, *subreq;
      38           0 :         struct winbindd_getusersids_state *state;
      39             : 
      40         248 :         req = tevent_req_create(mem_ctx, &state,
      41             :                                 struct winbindd_getusersids_state);
      42         248 :         if (req == NULL) {
      43           0 :                 return NULL;
      44             :         }
      45             : 
      46             :         /* Ensure null termination */
      47         248 :         request->data.sid[sizeof(request->data.sid)-1]='\0';
      48             : 
      49         248 :         D_NOTICE("[%s (%u)] Winbind external command GETUSERSIDS start.\n"
      50             :                  "sid=%s\n",
      51             :                  cli->client_name,
      52             :                  (unsigned int)cli->pid,
      53             :                  request->data.sid);
      54             : 
      55         248 :         if (!string_to_sid(&state->sid, request->data.sid)) {
      56           0 :                 D_WARNING("Returning NT_STATUS_INVALID_PARAMETER.\n"
      57             :                           "Could not get convert sid %s from string\n",
      58             :                           request->data.sid);
      59           0 :                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
      60           0 :                 return tevent_req_post(req, ev);
      61             :         }
      62             : 
      63         248 :         subreq = wb_gettoken_send(state, ev, &state->sid, true);
      64         248 :         if (tevent_req_nomem(subreq, req)) {
      65           0 :                 return tevent_req_post(req, ev);
      66             :         }
      67         248 :         tevent_req_set_callback(subreq, winbindd_getusersids_done, req);
      68         248 :         return req;
      69             : }
      70             : 
      71         248 : static void winbindd_getusersids_done(struct tevent_req *subreq)
      72             : {
      73         248 :         struct tevent_req *req = tevent_req_callback_data(
      74             :                 subreq, struct tevent_req);
      75         248 :         struct winbindd_getusersids_state *state = tevent_req_data(
      76             :                 req, struct winbindd_getusersids_state);
      77           0 :         NTSTATUS status;
      78             : 
      79         248 :         status = wb_gettoken_recv(subreq, state, &state->num_sids,
      80             :                                   &state->sids);
      81         248 :         TALLOC_FREE(subreq);
      82         248 :         if (tevent_req_nterror(req, status)) {
      83         108 :                 D_WARNING("wb_gettoken_recv failed with %s.\n",
      84             :                           nt_errstr(status));
      85         108 :                 return;
      86             :         }
      87         140 :         tevent_req_done(req);
      88             : }
      89             : 
      90         248 : NTSTATUS winbindd_getusersids_recv(struct tevent_req *req,
      91             :                                    struct winbindd_response *response)
      92             : {
      93         248 :         struct winbindd_getusersids_state *state = tevent_req_data(
      94             :                 req, struct winbindd_getusersids_state);
      95           0 :         struct dom_sid_buf sidbuf;
      96           0 :         NTSTATUS status;
      97           0 :         uint32_t i;
      98           0 :         char *result;
      99             : 
     100         248 :         if (tevent_req_is_nterror(req, &status)) {
     101         108 :                 D_WARNING("Could not convert sid %s: %s\n",
     102             :                           dom_sid_str_buf(&state->sid, &sidbuf),
     103             :                           nt_errstr(status));
     104         108 :                 return status;
     105             :         }
     106             : 
     107         140 :         result = talloc_strdup(response, "");
     108         140 :         if (result == NULL) {
     109           0 :                 return NT_STATUS_NO_MEMORY;
     110             :         }
     111             : 
     112         140 :         D_NOTICE("Winbind external command GETUSERSIDS end.\n"
     113             :                  "Got %"PRIu32" SID(s).\n", state->num_sids);
     114         480 :         for (i=0; i<state->num_sids; i++) {
     115         340 :                 D_NOTICE("%"PRIu32": %s\n",
     116             :                          i,
     117             :                          dom_sid_str_buf(&state->sids[i], &sidbuf));
     118         340 :                 talloc_asprintf_addbuf(
     119             :                         &result,
     120             :                         "%s\n",
     121         340 :                         dom_sid_str_buf(&state->sids[i], &sidbuf));
     122             :         }
     123             : 
     124         140 :         response->data.num_entries = state->num_sids;
     125         140 :         response->extra_data.data = result;
     126         140 :         response->length += talloc_get_size(result);
     127         140 :         return NT_STATUS_OK;
     128             : }