source3/winbindd/winbindd_lookupsids.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    async implementation of WINBINDD_LOOKUPSIDS
   4    Copyright (C) Volker Lendecke 2011
   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_lookupsids_state {
  25         struct dom_sid *sids;
  26         uint32_t num_sids;
  27         struct lsa_RefDomainList *domains;
  28         struct lsa_TransNameArray *names;
  29 };
  30
  31 static void winbindd_lookupsids_done(struct tevent_req *subreq);
  32
  33 struct tevent_req *winbindd_lookupsids_send(TALLOC_CTX *mem_ctx,
  34                                             struct tevent_context *ev,
  35                                            struct winbindd_cli_state *cli,
  36                                            struct winbindd_request *request)
  37 {
  38         struct tevent_req *req, *subreq;
  39         struct winbindd_lookupsids_state *state;
  40
  41         req = tevent_req_create(mem_ctx, &state,
  42                                 struct winbindd_lookupsids_state);
  43         if (req == NULL) {
  44                 return NULL;
  45         }
  46
  47         DEBUG(3, ("lookupsids\n"));
  48
  49         if (request->extra_len == 0) {
  50                 tevent_req_done(req);
  51                 return tevent_req_post(req, ev);
  52         }
  53         if (request->extra_data.data[request->extra_len-1] != '\0') {
  54                 DEBUG(10, ("Got invalid sids list\n"));
  55                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
  56                 return tevent_req_post(req, ev);
  57         }
  58         if (!parse_sidlist(state, request->extra_data.data,
  59                            &state->sids, &state->num_sids)) {
  60                 DEBUG(10, ("parse_sidlist failed\n"));
  61                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
  62                 return tevent_req_post(req, ev);
  63         }
  64         subreq = wb_lookupsids_send(state, ev, state->sids, state->num_sids);
  65         if (tevent_req_nomem(subreq, req)) {
  66                 return tevent_req_post(req, ev);
  67         }
  68         tevent_req_set_callback(subreq, winbindd_lookupsids_done, req);
  69         return req;
  70 }
  71
  72 static void winbindd_lookupsids_done(struct tevent_req *subreq)
  73 {
  74         struct tevent_req *req = tevent_req_callback_data(
  75                 subreq, struct tevent_req);
  76         struct winbindd_lookupsids_state *state = tevent_req_data(
  77                 req, struct winbindd_lookupsids_state);
  78         NTSTATUS status;
  79
  80         status = wb_lookupsids_recv(subreq, state, &state->domains,
  81                                     &state->names);
  82         TALLOC_FREE(subreq);
  83         if (tevent_req_nterror(req, status)) {
  84                 return;
  85         }
  86         tevent_req_done(req);
  87 }
  88
  89 NTSTATUS winbindd_lookupsids_recv(struct tevent_req *req,
  90                                   struct winbindd_response *response)
  91 {
  92         struct winbindd_lookupsids_state *state = tevent_req_data(
  93                 req, struct winbindd_lookupsids_state);
  94         NTSTATUS status;
  95         char *result;
  96         uint32_t i;
  97
  98         if (tevent_req_is_nterror(req, &status)) {
  99                 DEBUG(5, ("wb_lookupsids failed: %s\n", nt_errstr(status)));
 100                 return status;
 101         }
 102
 103         result = talloc_asprintf(response, "%d\n", (int)state->domains->count);
 104         if (result == NULL) {
 105                 return NT_STATUS_NO_MEMORY;
 106         }
 107
 108         for (i=0; i<state->domains->count; i++) {
 109                 fstring sid_str;
 110
 111                 result = talloc_asprintf_append_buffer(
 112                         result, "%s %s\n",
 113                         sid_to_fstring(sid_str,
 114                                        state->domains->domains[i].sid),
 115                         state->domains->domains[i].name.string);
 116                 if (result == NULL) {
 117                         return NT_STATUS_NO_MEMORY;
 118                 }
 119         }
 120
 121         result = talloc_asprintf_append_buffer(
 122                 result, "%d\n", (int)state->names->count);
 123         if (result == NULL) {
 124                 return NT_STATUS_NO_MEMORY;
 125         }
 126
 127         for (i=0; i<state->names->count; i++) {
 128                 struct lsa_TranslatedName *name;
 129
 130                 name = &state->names->names[i];
 131
 132                 result = talloc_asprintf_append_buffer(
 133                         result, "%d %d %s\n",
 134                         (int)name->sid_index, (int)name->sid_type,
 135                         name->name.string);
 136                 if (result == NULL) {
 137                         return NT_STATUS_NO_MEMORY;
 138                 }
 139         }
 140
 141         response->extra_data.data = result;
 142         response->length += talloc_get_size(result);
 143         return NT_STATUS_OK;
 144 }