source/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
  28 struct cmd_lookupname_state {
  29         struct composite_context *ctx;
  30         struct wbsrv_call *call;
  31         struct wbsrv_domain *domain;
  32         const char *name;
  33         struct wb_sid_object *result;
  34 };
  35
  36 static struct composite_context *lookupname_send_req(void *p);
  37 static NTSTATUS lookupname_recv_req(struct composite_context *ctx, void *p);
  38
  39 struct composite_context *wb_cmd_lookupname_send(struct wbsrv_call *call,
  40                                                  const char *name)
  41 {
  42         struct cmd_lookupname_state *state;
  43         struct wbsrv_service *service = call->wbconn->listen_socket->service;
  44
  45         state = talloc(NULL, struct cmd_lookupname_state);
  46         state->domain = service->domains;
  47         state->call = call;
  48         state->name = talloc_strdup(state, name);
  49         state->ctx = wb_queue_domain_send(state, state->domain,
  50                                           call->event_ctx,
  51                                           call->wbconn->conn->msg_ctx,
  52                                           lookupname_send_req,
  53                                           lookupname_recv_req,
  54                                           state);
  55         if (state->ctx == NULL) {
  56                 talloc_free(state);
  57                 return NULL;
  58         }
  59         state->ctx->private_data = state;
  60         return state->ctx;
  61 }
  62
  63 static struct composite_context *lookupname_send_req(void *p)
  64 {
  65         struct cmd_lookupname_state *state =
  66                 talloc_get_type(p, struct cmd_lookupname_state);
  67
  68         return wb_lsa_lookupnames_send(state->domain->lsa_pipe,
  69                                        state->domain->lsa_policy,
  70                                        1, &state->name);
  71 }
  72
  73 static NTSTATUS lookupname_recv_req(struct composite_context *ctx, void *p)
  74 {
  75         struct cmd_lookupname_state *state =
  76                 talloc_get_type(p, struct cmd_lookupname_state);
  77         struct wb_sid_object **sids;
  78         NTSTATUS status;
  79
  80         status = wb_lsa_lookupnames_recv(ctx, state, &sids);
  81         if (NT_STATUS_IS_OK(status)) {
  82                 state->result = sids[0];
  83         }
  84         return status;
  85 }
  86
  87 NTSTATUS wb_cmd_lookupname_recv(struct composite_context *c,
  88                                 TALLOC_CTX *mem_ctx,
  89                                 struct wb_sid_object **sid)
  90 {
  91         struct cmd_lookupname_state *state =
  92                 talloc_get_type(c->private_data, struct cmd_lookupname_state);
  93         NTSTATUS status = composite_wait(c);
  94         if (NT_STATUS_IS_OK(status)) {
  95                 *sid = talloc_steal(mem_ctx, state->result);
  96         }
  97         talloc_free(state);
  98         return status;
  99 }
 100
 101 NTSTATUS wb_cmd_lookupname(struct wbsrv_call *call, const char *name,
 102                            TALLOC_CTX *mem_ctx, struct wb_sid_object **sid)
 103 {
 104         struct composite_context *c =
 105                 wb_cmd_lookupname_send(call, name);
 106         return wb_cmd_lookupname_recv(c, mem_ctx, sid);
 107 }