source4/winbind/wb_cmd_lookupname.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Command backend for wbinfo -n
   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_stream.h"
  27 #include "smbd/service_task.h"
  28
  29 struct cmd_lookupname_state {
  30         struct composite_context *ctx;
  31         const char *name;
  32         struct wb_sid_object *result;
  33 };
  34
  35 static struct composite_context *lookupname_send_req(struct wbsrv_domain *domain, void *p);
  36 static NTSTATUS lookupname_recv_req(struct composite_context *ctx, void *p);
  37
  38 struct composite_context *wb_cmd_lookupname_send(struct wbsrv_service *service,
  39                                                  const char *dom_name,
  40                                                  const char *name)
  41 {
  42         struct cmd_lookupname_state *state;
  43
  44         state = talloc(NULL, struct cmd_lookupname_state);
  45         state->name = talloc_asprintf(state, "%s\\%s", dom_name, name);
  46         if (state->name == NULL) goto failed;
  47         state->ctx = wb_domain_request_send(state, service,
  48                                             service->primary_sid,
  49                                             lookupname_send_req,
  50                                             lookupname_recv_req,
  51                                             state);
  52         if (state->ctx == NULL) goto failed;
  53         state->ctx->private_data = state;
  54         return state->ctx;
  55
  56  failed:
  57         talloc_free(state);
  58         return NULL;
  59 }
  60
  61 static struct composite_context *lookupname_send_req(struct wbsrv_domain *domain,
  62                                                      void *p)
  63 {
  64         struct cmd_lookupname_state *state =
  65                 talloc_get_type(p, struct cmd_lookupname_state);
  66
  67         return wb_lsa_lookupnames_send(domain->lsa_pipe,
  68                                        domain->lsa_policy,
  69                                        1, &state->name);
  70 }
  71
  72 static NTSTATUS lookupname_recv_req(struct composite_context *ctx, void *p)
  73 {
  74         struct cmd_lookupname_state *state =
  75                 talloc_get_type(p, struct cmd_lookupname_state);
  76         struct wb_sid_object **sids;
  77         NTSTATUS status;
  78
  79         status = wb_lsa_lookupnames_recv(ctx, state, &sids);
  80         if (NT_STATUS_IS_OK(status)) {
  81                 state->result = sids[0];
  82         }
  83         return status;
  84 }
  85
  86 NTSTATUS wb_cmd_lookupname_recv(struct composite_context *c,
  87                                 TALLOC_CTX *mem_ctx,
  88                                 struct wb_sid_object **sid)
  89 {
  90         struct cmd_lookupname_state *state =
  91                 talloc_get_type(c->private_data, struct cmd_lookupname_state);
  92         NTSTATUS status = composite_wait(c);
  93         if (NT_STATUS_IS_OK(status)) {
  94                 *sid = talloc_steal(mem_ctx, state->result);
  95         }
  96         talloc_free(state);
  97         return status;
  98 }
  99
 100 NTSTATUS wb_cmd_lookupname(struct wbsrv_service *service,
 101                            const char *dom_name,
 102                            const char *name,
 103                            TALLOC_CTX *mem_ctx, struct wb_sid_object **sid)
 104 {
 105         struct composite_context *c =
 106                 wb_cmd_lookupname_send(service, dom_name, name);
 107         return wb_cmd_lookupname_recv(c, mem_ctx, sid);
 108 }