Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    async lookupusergroups
       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 "../libcli/security/security.h"
      24             : 
      25             : struct wb_lookupusergroups_state {
      26             :         struct tevent_context *ev;
      27             :         struct dom_sid sid;
      28             :         struct wbint_SidArray sids;
      29             : };
      30             : 
      31             : static void wb_lookupusergroups_done(struct tevent_req *subreq);
      32             : 
      33        2312 : struct tevent_req *wb_lookupusergroups_send(TALLOC_CTX *mem_ctx,
      34             :                                             struct tevent_context *ev,
      35             :                                             const struct dom_sid *sid)
      36             : {
      37           0 :         struct tevent_req *req, *subreq;
      38           0 :         struct wb_lookupusergroups_state *state;
      39           0 :         struct winbindd_domain *domain;
      40           0 :         NTSTATUS status;
      41           0 :         struct dom_sid_buf buf;
      42             : 
      43        2312 :         req = tevent_req_create(mem_ctx, &state,
      44             :                                 struct wb_lookupusergroups_state);
      45        2312 :         if (req == NULL) {
      46           0 :                 return NULL;
      47             :         }
      48        2312 :         D_INFO("WB command lookupusergroups start.\nLooking up SID %s.\n",
      49             :                dom_sid_str_buf(sid, &buf));
      50        2312 :         sid_copy(&state->sid, sid);
      51             : 
      52        2312 :         status = lookup_usergroups_cached(state,
      53        2312 :                                           &state->sid,
      54        2312 :                                           &state->sids.num_sids,
      55        2312 :                                           &state->sids.sids);
      56        2312 :         if (NT_STATUS_IS_OK(status)) {
      57          62 :                 tevent_req_done(req);
      58          62 :                 return tevent_req_post(req, ev);
      59             :         }
      60             : 
      61        2250 :         domain = find_domain_from_sid_noinit(&state->sid);
      62        2250 :         if (domain == NULL) {
      63           0 :                 DBG_WARNING("could not find domain entry for sid %s\n",
      64             :                             dom_sid_str_buf(&state->sid, &buf));
      65           0 :                 tevent_req_nterror(req, NT_STATUS_NO_SUCH_DOMAIN);
      66           0 :                 return tevent_req_post(req, ev);
      67             :         }
      68             : 
      69        2250 :         subreq = dcerpc_wbint_LookupUserGroups_send(
      70        2250 :                 state, ev, dom_child_handle(domain), &state->sid, &state->sids);
      71        2250 :         if (tevent_req_nomem(subreq, req)) {
      72           0 :                 return tevent_req_post(req, ev);
      73             :         }
      74        2250 :         tevent_req_set_callback(subreq, wb_lookupusergroups_done, req);
      75        2250 :         return req;
      76             : }
      77             : 
      78        2250 : static void wb_lookupusergroups_done(struct tevent_req *subreq)
      79             : {
      80        2250 :         struct tevent_req *req = tevent_req_callback_data(
      81             :                 subreq, struct tevent_req);
      82        2250 :         struct wb_lookupusergroups_state *state = tevent_req_data(
      83             :                 req, struct wb_lookupusergroups_state);
      84           0 :         NTSTATUS status, result;
      85             : 
      86        2250 :         status = dcerpc_wbint_LookupUserGroups_recv(subreq, state, &result);
      87        2250 :         TALLOC_FREE(subreq);
      88        2250 :         if (any_nt_status_not_ok(status, result, &status)) {
      89           0 :                 D_WARNING("Failed with %s.\n", nt_errstr(status));
      90           0 :                 tevent_req_nterror(req, status);
      91           0 :                 return;
      92             :         }
      93        2250 :         tevent_req_done(req);
      94             : }
      95             : 
      96        2312 : NTSTATUS wb_lookupusergroups_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
      97             :                                   uint32_t *num_sids, struct dom_sid **sids)
      98             : {
      99        2312 :         struct wb_lookupusergroups_state *state = tevent_req_data(
     100             :                 req, struct wb_lookupusergroups_state);
     101           0 :         NTSTATUS status;
     102           0 :         uint32_t i;
     103             : 
     104        2312 :         if (tevent_req_is_nterror(req, &status)) {
     105           0 :                 return status;
     106             :         }
     107        2312 :         *num_sids = state->sids.num_sids;
     108        2312 :         *sids = talloc_move(mem_ctx, &state->sids.sids);
     109             : 
     110        2312 :         D_INFO("WB command lookupusergroups end.\nReceived %"PRIu32" SID(s).\n",
     111             :                *num_sids);
     112        2312 :         if (CHECK_DEBUGLVL(DBGLVL_INFO)) {
     113           0 :                 for (i = 0; i < *num_sids; i++) {
     114           0 :                         struct dom_sid_buf buf;
     115           0 :                         D_INFO("%"PRIu32": %s\n",
     116             :                                i, dom_sid_str_buf(&(*sids)[i], &buf));
     117             :                 }
     118             :         }
     119        2312 :         return NT_STATUS_OK;
     120             : }