Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    async implementation of WINBINDD_LOOKUPSID
       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             : #include "lib/util/string_wrappers.h"
      24             : 
      25             : struct winbindd_lookupsid_state {
      26             :         struct dom_sid sid;
      27             :         enum lsa_SidType type;
      28             :         const char *domname;
      29             :         const char *name;
      30             : };
      31             : 
      32             : static void winbindd_lookupsid_done(struct tevent_req *subreq);
      33             : 
      34         301 : struct tevent_req *winbindd_lookupsid_send(TALLOC_CTX *mem_ctx,
      35             :                                           struct tevent_context *ev,
      36             :                                            struct winbindd_cli_state *cli,
      37             :                                            struct winbindd_request *request)
      38             : {
      39             :         struct tevent_req *req, *subreq;
      40             :         struct winbindd_lookupsid_state *state;
      41             : 
      42         301 :         req = tevent_req_create(mem_ctx, &state,
      43             :                                 struct winbindd_lookupsid_state);
      44         301 :         if (req == NULL) {
      45           0 :                 return NULL;
      46             :         }
      47             : 
      48             :         /* Ensure null termination */
      49         301 :         request->data.sid[sizeof(request->data.sid)-1]='\0';
      50             : 
      51         301 :         DEBUG(3, ("lookupsid %s\n", request->data.sid));
      52             : 
      53         301 :         if (!string_to_sid(&state->sid, request->data.sid)) {
      54           0 :                 DEBUG(5, ("%s not a SID\n", request->data.sid));
      55           0 :                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
      56           0 :                 return tevent_req_post(req, ev);
      57             :         }
      58             : 
      59         301 :         subreq = wb_lookupsid_send(state, ev, &state->sid);
      60         301 :         if (tevent_req_nomem(subreq, req)) {
      61           0 :                 return tevent_req_post(req, ev);
      62             :         }
      63         301 :         tevent_req_set_callback(subreq, winbindd_lookupsid_done, req);
      64         301 :         return req;
      65             : }
      66             : 
      67         301 : static void winbindd_lookupsid_done(struct tevent_req *subreq)
      68             : {
      69         301 :         struct tevent_req *req = tevent_req_callback_data(
      70             :                 subreq, struct tevent_req);
      71         301 :         struct winbindd_lookupsid_state *state = tevent_req_data(
      72             :                 req, struct winbindd_lookupsid_state);
      73             :         NTSTATUS status;
      74             : 
      75         301 :         status = wb_lookupsid_recv(subreq, state, &state->type,
      76             :                                    &state->domname, &state->name);
      77         301 :         TALLOC_FREE(subreq);
      78         301 :         if (!NT_STATUS_IS_OK(status)) {
      79          10 :                 tevent_req_nterror(req, status);
      80          10 :                 return;
      81             :         }
      82         291 :         tevent_req_done(req);
      83             : }
      84             : 
      85         301 : NTSTATUS winbindd_lookupsid_recv(struct tevent_req *req,
      86             :                                  struct winbindd_response *response)
      87             : {
      88         301 :         struct winbindd_lookupsid_state *state = tevent_req_data(
      89             :                 req, struct winbindd_lookupsid_state);
      90             :         NTSTATUS status;
      91             : 
      92         301 :         if (tevent_req_is_nterror(req, &status)) {
      93             :                 struct dom_sid_buf buf;
      94          10 :                 DEBUG(5, ("Could not lookup sid %s: %s\n",
      95             :                           dom_sid_str_buf(&state->sid, &buf),
      96             :                           nt_errstr(status)));
      97          10 :                 return status;
      98             :         }
      99             : 
     100         291 :         fstrcpy(response->data.name.dom_name, state->domname);
     101         291 :         fstrcpy(response->data.name.name, state->name);
     102         291 :         response->data.name.type = state->type;
     103         291 :         return NT_STATUS_OK;
     104             : }