Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    async implementation of WINBINDD_ALLOCATE_GID
       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             : 
      24             : struct winbindd_allocate_gid_state {
      25             :         struct tevent_context *ev;
      26             :         uint64_t gid;
      27             : };
      28             : 
      29             : static void winbindd_allocate_gid_initialized(struct tevent_req *subreq);
      30             : static void winbindd_allocate_gid_done(struct tevent_req *subreq);
      31             : 
      32          80 : struct tevent_req *winbindd_allocate_gid_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_allocate_gid_state *state;
      39             : 
      40          80 :         req = tevent_req_create(mem_ctx, &state,
      41             :                                 struct winbindd_allocate_gid_state);
      42          80 :         if (req == NULL) {
      43           0 :                 return NULL;
      44             :         }
      45          80 :         state->ev = ev;
      46             : 
      47          80 :         DEBUG(3, ("allocate_gid\n"));
      48             : 
      49          80 :         subreq = wb_parent_idmap_setup_send(state, ev);
      50          80 :         if (tevent_req_nomem(subreq, req)) {
      51           0 :                 return tevent_req_post(req, ev);
      52             :         }
      53          80 :         tevent_req_set_callback(
      54             :                 subreq, winbindd_allocate_gid_initialized, req);
      55          80 :         return req;
      56             : }
      57             : 
      58          80 : static void winbindd_allocate_gid_initialized(struct tevent_req *subreq)
      59             : {
      60          80 :         struct tevent_req *req = tevent_req_callback_data(
      61             :                 subreq, struct tevent_req);
      62          80 :         struct winbindd_allocate_gid_state *state = tevent_req_data(
      63             :                 req, struct winbindd_allocate_gid_state);
      64             :         NTSTATUS status;
      65          80 :         const struct wb_parent_idmap_config *cfg = NULL;
      66          80 :         struct dcerpc_binding_handle *child_binding_handle = NULL;
      67             : 
      68          80 :         status = wb_parent_idmap_setup_recv(subreq, &cfg);
      69          80 :         TALLOC_FREE(subreq);
      70          80 :         if (tevent_req_nterror(req, status)) {
      71           0 :                 return;
      72             :         }
      73          80 :         if (cfg->num_doms == 0) {
      74             :                 /*
      75             :                  * idmap_tdb also returns UNSUCCESSFUL if a range is full
      76             :                  */
      77           0 :                 tevent_req_nterror(req, NT_STATUS_UNSUCCESSFUL);
      78           0 :                 return;
      79             :         }
      80             : 
      81          80 :         child_binding_handle = idmap_child_handle();
      82             : 
      83          80 :         subreq = dcerpc_wbint_AllocateGid_send(
      84             :                 state, state->ev, child_binding_handle, &state->gid);
      85          80 :         if (tevent_req_nomem(subreq, req)) {
      86           0 :                 return;
      87             :         }
      88          80 :         tevent_req_set_callback(subreq, winbindd_allocate_gid_done, req);
      89             : }
      90             : 
      91          80 : static void winbindd_allocate_gid_done(struct tevent_req *subreq)
      92             : {
      93          80 :         struct tevent_req *req = tevent_req_callback_data(
      94             :                 subreq, struct tevent_req);
      95          80 :         struct winbindd_allocate_gid_state *state = tevent_req_data(
      96             :                 req, struct winbindd_allocate_gid_state);
      97             :         NTSTATUS status, result;
      98             : 
      99          80 :         status = dcerpc_wbint_AllocateGid_recv(subreq, state, &result);
     100          80 :         TALLOC_FREE(subreq);
     101          80 :         if (any_nt_status_not_ok(status, result, &status)) {
     102          14 :                 tevent_req_nterror(req, status);
     103          14 :                 return;
     104             :         }
     105          66 :         tevent_req_done(req);
     106             : }
     107             : 
     108          80 : NTSTATUS winbindd_allocate_gid_recv(struct tevent_req *req,
     109             :                                     struct winbindd_response *response)
     110             : {
     111          80 :         struct winbindd_allocate_gid_state *state = tevent_req_data(
     112             :                 req, struct winbindd_allocate_gid_state);
     113             :         NTSTATUS status;
     114             : 
     115          80 :         if (tevent_req_is_nterror(req, &status)) {
     116          14 :                 DEBUG(5, ("Could not allocate gid: %s\n", nt_errstr(status)));
     117          14 :                 return status;
     118             :         }
     119          66 :         response->data.gid = state->gid;
     120          66 :         return NT_STATUS_OK;
     121             : }