source4/winbind/wb_name2domain.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Find and init a domain struct for a name
   5
   6    Copyright (C) Kai Blin 2007
   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 "winbind/wb_server.h"
  25 #include "smbd/service_task.h"
  26 #include "winbind/wb_helper.h"
  27
  28 struct name2domain_state {
  29         struct composite_context *ctx;
  30         struct wbsrv_service *service;
  31
  32         struct wbsrv_domain *domain;
  33 };
  34
  35 static void name2domain_recv_sid(struct composite_context *ctx);
  36 static void name2domain_recv_domain(struct composite_context *ctx);
  37
  38 struct composite_context *wb_name2domain_send(TALLOC_CTX *mem_ctx,
  39                 struct wbsrv_service *service, const char* name)
  40 {
  41         struct composite_context *result, *ctx;
  42         struct name2domain_state *state;
  43         char *user_dom, *user_name;
  44         bool ok;
  45
  46         DEBUG(5, ("wb_name2domain_send called\n"));
  47
  48         result = composite_create(mem_ctx, service->task->event_ctx);
  49         if (!result) return NULL;
  50
  51         state = talloc(result, struct name2domain_state);
  52         if (composite_nomem(state, result)) return result;
  53         state->ctx = result;
  54         result->private_data = state;
  55         state->service = service;
  56
  57         ok = wb_samba3_split_username(state, service->task->lp_ctx, name, &user_dom, &user_name);
  58         if(!ok) {
  59                 composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
  60                 return result;
  61         }
  62
  63         ctx = wb_cmd_lookupname_send(state, service, user_dom, user_name);
  64         if (composite_nomem(ctx, state->ctx)) return result;
  65
  66         composite_continue(result, ctx, name2domain_recv_sid, state);
  67         return result;
  68 }
  69
  70 static void name2domain_recv_sid(struct composite_context *ctx)
  71 {
  72         struct name2domain_state *state =
  73                 talloc_get_type(ctx->async.private_data,
  74                                 struct name2domain_state);
  75         struct wb_sid_object *sid;
  76
  77         DEBUG(5, ("name2domain_recv_sid called\n"));
  78
  79         state->ctx->status = wb_cmd_lookupname_recv(ctx, state, &sid);
  80         if(!composite_is_ok(state->ctx)) return;
  81
  82         ctx = wb_sid2domain_send(state, state->service, sid->sid);
  83
  84         composite_continue(state->ctx, ctx, name2domain_recv_domain, state);
  85 }
  86
  87 static void name2domain_recv_domain(struct composite_context *ctx)
  88 {
  89         struct name2domain_state *state =
  90                 talloc_get_type(ctx->async.private_data,
  91                                 struct name2domain_state);
  92         struct wbsrv_domain *domain;
  93
  94         DEBUG(5, ("name2domain_recv_domain called\n"));
  95
  96         state->ctx->status = wb_sid2domain_recv(ctx, &domain);
  97         if(!composite_is_ok(state->ctx)) return;
  98
  99         state->domain = domain;
 100
 101         composite_done(state->ctx);
 102 }
 103
 104 NTSTATUS wb_name2domain_recv(struct composite_context *ctx,
 105                 struct wbsrv_domain **result)
 106 {
 107         NTSTATUS status = composite_wait(ctx);
 108
 109         DEBUG(5, ("wb_name2domain_recv called\n"));
 110
 111         if (NT_STATUS_IS_OK(status)) {
 112                 struct name2domain_state *state =
 113                         talloc_get_type(ctx->private_data,
 114                                         struct name2domain_state);
 115                 *result = state->domain;
 116         }
 117         talloc_free(ctx);
 118         return status;
 119 }
 120