source/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 2 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, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libcli/composite/composite.h"
  25 #include "winbind/wb_server.h"
  26 #include "smbd/service_task.h"
  27
  28 struct cmd_userdomgroups_state {
  29         struct composite_context *ctx;
  30         struct dom_sid *dom_sid;
  31         uint32_t user_rid;
  32         int num_rids;
  33         uint32_t *rids;
  34 };
  35
  36 static void userdomgroups_recv_domain(struct composite_context *ctx);
  37 static void userdomgroups_recv_rids(struct composite_context *ctx);
  38
  39 struct composite_context *wb_cmd_userdomgroups_send(TALLOC_CTX *mem_ctx,
  40                                                     struct wbsrv_service *service,
  41                                                     const struct dom_sid *sid)
  42 {
  43         struct composite_context *result, *ctx;
  44         struct cmd_userdomgroups_state *state;
  45
  46         result = talloc(mem_ctx, struct composite_context);
  47         if (result == NULL) goto failed;
  48         result->state = COMPOSITE_STATE_IN_PROGRESS;
  49         result->async.fn = NULL;
  50         result->event_ctx = service->task->event_ctx;
  51
  52         state = talloc(result, struct cmd_userdomgroups_state);
  53         if (state == NULL) goto failed;
  54         state->ctx = result;
  55         result->private_data = state;
  56
  57         state->dom_sid = dom_sid_dup(state, sid);
  58         if (state->dom_sid == NULL) goto failed;
  59         state->dom_sid->num_auths -= 1;
  60
  61         state->user_rid = sid->sub_auths[sid->num_auths-1];
  62
  63         ctx = wb_sid2domain_send(state, service, sid);
  64         if (ctx == NULL) goto failed;
  65
  66         ctx->async.fn = userdomgroups_recv_domain;
  67         ctx->async.private_data = state;
  68         return result;
  69
  70  failed:
  71         talloc_free(result);
  72         return NULL;
  73 }
  74
  75 static void userdomgroups_recv_domain(struct composite_context *ctx)
  76 {
  77         struct cmd_userdomgroups_state *state =
  78                 talloc_get_type(ctx->async.private_data,
  79                                 struct cmd_userdomgroups_state);
  80         struct wbsrv_domain *domain;
  81
  82         state->ctx->status = wb_sid2domain_recv(ctx, &domain);
  83         if (!composite_is_ok(state->ctx)) return;
  84
  85         ctx = wb_samr_userdomgroups_send(state, domain->samr_pipe,
  86                                          domain->domain_handle,
  87                                          state->user_rid);
  88         composite_continue(state->ctx, ctx, userdomgroups_recv_rids, state);
  89
  90 }
  91
  92 static void userdomgroups_recv_rids(struct composite_context *ctx)
  93 {
  94         struct cmd_userdomgroups_state *state =
  95                 talloc_get_type(ctx->async.private_data,
  96                                 struct cmd_userdomgroups_state);
  97
  98         state->ctx->status = wb_samr_userdomgroups_recv(ctx, state,
  99                                                         &state->num_rids,
 100                                                         &state->rids);
 101         if (!composite_is_ok(state->ctx)) return;
 102
 103         composite_done(state->ctx);
 104 }
 105
 106 NTSTATUS wb_cmd_userdomgroups_recv(struct composite_context *c,
 107                                    TALLOC_CTX *mem_ctx,
 108                                    int *num_sids, struct dom_sid ***sids)
 109 {
 110         struct cmd_userdomgroups_state *state =
 111                 talloc_get_type(c->private_data,
 112                                 struct cmd_userdomgroups_state);
 113         int i;
 114         NTSTATUS status;
 115
 116         status = composite_wait(c);
 117         if (!NT_STATUS_IS_OK(status)) goto done;
 118
 119         *num_sids = state->num_rids;
 120         *sids = talloc_array(mem_ctx, struct dom_sid *, state->num_rids);
 121         if (*sids == NULL) {
 122                 status = NT_STATUS_NO_MEMORY;
 123                 goto done;
 124         }
 125
 126         for (i=0; i<state->num_rids; i++) {
 127                 (*sids)[i] = dom_sid_add_rid((*sids), state->dom_sid,
 128                                              state->rids[i]);
 129                 if ((*sids)[i] == NULL) {
 130                         status = NT_STATUS_NO_MEMORY;
 131                         goto done;
 132                 }
 133         }
 134
 135 done:
 136         talloc_free(c);
 137         return status;
 138 }
 139
 140 NTSTATUS wb_cmd_userdomgroups(TALLOC_CTX *mem_ctx,
 141                               struct wbsrv_service *service,
 142                               const struct dom_sid *sid,
 143                               int *num_sids, struct dom_sid ***sids)
 144 {
 145         struct composite_context *c =
 146                 wb_cmd_userdomgroups_send(mem_ctx, service, sid);
 147         return wb_cmd_userdomgroups_recv(c, mem_ctx, num_sids, sids);
 148 }