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 #include "param/param.h"
  28
  29 struct name2domain_state {
  30         struct composite_context *ctx;
  31         struct wbsrv_service *service;
  32
  33         struct wbsrv_domain *domain;
  34 };
  35
  36 static void name2domain_recv_sid(struct composite_context *ctx);
  37 static void name2domain_recv_domain(struct composite_context *ctx);
  38
  39 struct composite_context *wb_name2domain_send(TALLOC_CTX *mem_ctx,
  40                 struct wbsrv_service *service, const char* name)
  41 {
  42         struct composite_context *result, *ctx;
  43         struct name2domain_state *state;
  44         char *user_dom, *user_name;
  45         bool ok;
  46
  47         DEBUG(5, ("wb_name2domain_send called\n"));
  48
  49         result = composite_create(mem_ctx, service->task->event_ctx);
  50         if (!result) return NULL;
  51
  52         state = talloc(result, struct name2domain_state);
  53         if (composite_nomem(state, result)) return result;
  54         state->ctx = result;
  55         result->private_data = state;
  56         state->service = service;
  57
  58         ok = wb_samba3_split_username(state, service->task->lp_ctx, name, &user_dom, &user_name);
  59         if(!ok) {
  60                 composite_error(state->ctx, NT_STATUS_OBJECT_NAME_INVALID);
  61                 return result;
  62         }
  63
  64         ctx = wb_cmd_lookupname_send(state, service, user_dom, user_name);
  65         if (composite_nomem(ctx, state->ctx)) return result;
  66
  67         composite_continue(result, ctx, name2domain_recv_sid, state);
  68         return result;
  69 }
  70
  71 static void name2domain_recv_sid(struct composite_context *ctx)
  72 {
  73         struct name2domain_state *state =
  74                 talloc_get_type(ctx->async.private_data,
  75                                 struct name2domain_state);
  76         struct wb_sid_object *sid;
  77
  78         DEBUG(5, ("name2domain_recv_sid called\n"));
  79
  80         state->ctx->status = wb_cmd_lookupname_recv(ctx, state, &sid);
  81         if(!composite_is_ok(state->ctx)) return;
  82
  83         ctx = wb_sid2domain_send(state, state->service, sid->sid);
  84
  85         composite_continue(state->ctx, ctx, name2domain_recv_domain, state);
  86 }
  87
  88 static void name2domain_recv_domain(struct composite_context *ctx)
  89 {
  90         struct name2domain_state *state =
  91                 talloc_get_type(ctx->async.private_data,
  92                                 struct name2domain_state);
  93         struct wbsrv_domain *domain;
  94
  95         DEBUG(5, ("name2domain_recv_domain called\n"));
  96
  97         state->ctx->status = wb_sid2domain_recv(ctx, &domain);
  98         if(!composite_is_ok(state->ctx)) return;
  99
 100         state->domain = domain;
 101
 102         composite_done(state->ctx);
 103 }
 104
 105 NTSTATUS wb_name2domain_recv(struct composite_context *ctx,
 106                 struct wbsrv_domain **result)
 107 {
 108         NTSTATUS status = composite_wait(ctx);
 109
 110         DEBUG(5, ("wb_name2domain_recv called\n"));
 111
 112         if (NT_STATUS_IS_OK(status)) {
 113                 struct name2domain_state *state =
 114                         talloc_get_type(ctx->private_data,
 115                                         struct name2domain_state);
 116                 *result = state->domain;
 117         }
 118         talloc_free(ctx);
 119         return status;
 120 }
 121