source4/winbind/wb_cmd_userdomgroups.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Command backend for wbinfo --user-domgroups
   5
   6    Copyright (C) Volker Lendecke 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libcli/composite/composite.h"
  24 #include "libcli/security/security.h"
  25 #include "winbind/wb_server.h"
  26 #include "winbind/wb_helper.h"
  27 #include "smbd/service_task.h"
  28
  29 struct cmd_userdomgroups_state {
  30         struct composite_context *ctx;
  31         struct dom_sid *dom_sid;
  32         uint32_t user_rid;
  33         int num_rids;
  34         uint32_t *rids;
  35 };
  36
  37 static void userdomgroups_recv_domain(struct composite_context *ctx);
  38 static void userdomgroups_recv_rids(struct composite_context *ctx);
  39
  40 struct composite_context *wb_cmd_userdomgroups_send(TALLOC_CTX *mem_ctx,
  41                                                     struct wbsrv_service *service,
  42                                                     const struct dom_sid *sid)
  43 {
  44         struct composite_context *result, *ctx;
  45         struct cmd_userdomgroups_state *state;
  46
  47         result = composite_create(mem_ctx, service->task->event_ctx);
  48         if (result == NULL) goto failed;
  49
  50         state = talloc(result, struct cmd_userdomgroups_state);
  51         if (state == NULL) goto failed;
  52         state->ctx = result;
  53         result->private_data = state;
  54
  55         state->dom_sid = dom_sid_dup(state, sid);
  56         if (state->dom_sid == NULL) goto failed;
  57         state->dom_sid->num_auths -= 1;
  58
  59         state->user_rid = sid->sub_auths[sid->num_auths-1];
  60
  61         ctx = wb_sid2domain_send(state, service, sid);
  62         if (ctx == NULL) goto failed;
  63
  64         ctx->async.fn = userdomgroups_recv_domain;
  65         ctx->async.private_data = state;
  66         return result;
  67
  68  failed:
  69         talloc_free(result);
  70         return NULL;
  71 }
  72
  73 static void userdomgroups_recv_domain(struct composite_context *ctx)
  74 {
  75         struct cmd_userdomgroups_state *state =
  76                 talloc_get_type(ctx->async.private_data,
  77                                 struct cmd_userdomgroups_state);
  78         struct wbsrv_domain *domain;
  79
  80         state->ctx->status = wb_sid2domain_recv(ctx, &domain);
  81         if (!composite_is_ok(state->ctx)) return;
  82
  83         ctx = wb_samr_userdomgroups_send(state, domain->samr_pipe,
  84                                          domain->domain_handle,
  85                                          state->user_rid);
  86         composite_continue(state->ctx, ctx, userdomgroups_recv_rids, state);
  87
  88 }
  89
  90 static void userdomgroups_recv_rids(struct composite_context *ctx)
  91 {
  92         struct cmd_userdomgroups_state *state =
  93                 talloc_get_type(ctx->async.private_data,
  94                                 struct cmd_userdomgroups_state);
  95
  96         state->ctx->status = wb_samr_userdomgroups_recv(ctx, state,
  97                                                         &state->num_rids,
  98                                                         &state->rids);
  99         if (!composite_is_ok(state->ctx)) return;
 100
 101         composite_done(state->ctx);
 102 }
 103
 104 NTSTATUS wb_cmd_userdomgroups_recv(struct composite_context *c,
 105                                    TALLOC_CTX *mem_ctx,
 106                                    int *num_sids, struct dom_sid ***sids)
 107 {
 108         struct cmd_userdomgroups_state *state =
 109                 talloc_get_type(c->private_data,
 110                                 struct cmd_userdomgroups_state);
 111         int i;
 112         NTSTATUS status;
 113
 114         status = composite_wait(c);
 115         if (!NT_STATUS_IS_OK(status)) goto done;
 116
 117         *num_sids = state->num_rids;
 118         *sids = talloc_array(mem_ctx, struct dom_sid *, state->num_rids);
 119         if (*sids == NULL) {
 120                 status = NT_STATUS_NO_MEMORY;
 121                 goto done;
 122         }
 123
 124         for (i=0; i<state->num_rids; i++) {
 125                 (*sids)[i] = dom_sid_add_rid((*sids), state->dom_sid,
 126                                              state->rids[i]);
 127                 if ((*sids)[i] == NULL) {
 128                         status = NT_STATUS_NO_MEMORY;
 129                         goto done;
 130                 }
 131         }
 132
 133 done:
 134         talloc_free(c);
 135         return status;
 136 }
 137
 138 NTSTATUS wb_cmd_userdomgroups(TALLOC_CTX *mem_ctx,
 139                               struct wbsrv_service *service,
 140                               const struct dom_sid *sid,
 141                               int *num_sids, struct dom_sid ***sids)
 142 {
 143         struct composite_context *c =
 144                 wb_cmd_userdomgroups_send(mem_ctx, service, sid);
 145         return wb_cmd_userdomgroups_recv(c, mem_ctx, num_sids, sids);
 146 }