source3/winbindd/winbindd_locator.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Winbind daemon - miscellaneous other functions
   5
   6    Copyright (C) Tim Potter      2000
   7    Copyright (C) Andrew Bartlett 2002
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "winbindd.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_WINBIND
  28
  29
  30 static const struct winbindd_child_dispatch_table locator_dispatch_table[];
  31
  32 static struct winbindd_child static_locator_child;
  33
  34 void init_locator_child(void)
  35 {
  36         setup_child(&static_locator_child,
  37                     locator_dispatch_table,
  38                     "log.winbindd", "locator");
  39 }
  40
  41 struct winbindd_child *locator_child(void)
  42 {
  43         return &static_locator_child;
  44 }
  45
  46 void winbindd_dsgetdcname(struct winbindd_cli_state *state)
  47 {
  48         state->request.domain_name
  49                 [sizeof(state->request.domain_name)-1] = '\0';
  50
  51         DEBUG(3, ("[%5lu]: dsgetdcname for %s\n", (unsigned long)state->pid,
  52                   state->request.domain_name));
  53
  54         sendto_child(state, locator_child());
  55 }
  56
  57 static enum winbindd_result dual_dsgetdcname(struct winbindd_domain *domain,
  58                                              struct winbindd_cli_state *state)
  59 {
  60         NTSTATUS result;
  61         struct DS_DOMAIN_CONTROLLER_INFO *info = NULL;
  62         const char *dc = NULL;
  63
  64         state->request.domain_name
  65                 [sizeof(state->request.domain_name)-1] = '\0';
  66
  67         DEBUG(3, ("[%5lu]: dsgetdcname for %s\n", (unsigned long)state->pid,
  68                   state->request.domain_name));
  69
  70         result = dsgetdcname(state->mem_ctx, state->request.domain_name,
  71                              NULL, NULL, state->request.flags, &info);
  72
  73         if (!NT_STATUS_IS_OK(result)) {
  74                 return WINBINDD_ERROR;
  75         }
  76
  77         if (info->domain_controller_address) {
  78                 dc = info->domain_controller_address;
  79                 if ((dc[0] == '\\') && (dc[1] == '\\')) {
  80                         dc += 2;
  81                 }
  82         }
  83
  84         if ((!dc || !is_ipaddress_v4(dc)) && info->domain_controller_name) {
  85                 dc = info->domain_controller_name;
  86         }
  87
  88         if (!dc || !*dc) {
  89                 return WINBINDD_ERROR;
  90         }
  91
  92         fstrcpy(state->response.data.dc_name, dc);
  93
  94         return WINBINDD_OK;
  95 }
  96
  97 static const struct winbindd_child_dispatch_table locator_dispatch_table[] = {
  98         {
  99                 .name           = "DSGETDCNAME",
 100                 .struct_cmd     = WINBINDD_DSGETDCNAME,
 101                 .struct_fn      = dual_dsgetdcname,
 102         },{
 103                 .name           = NULL,
 104         }
 105 };