source/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_domain_child(NULL,
  37                            &static_locator_child,
  38                            locator_dispatch_table,
  39                            "locator");
  40 }
  41
  42 struct winbindd_child *locator_child(void)
  43 {
  44         return &static_locator_child;
  45 }
  46
  47 void winbindd_dsgetdcname(struct winbindd_cli_state *state)
  48 {
  49         state->request.domain_name
  50                 [sizeof(state->request.domain_name)-1] = '\0';
  51
  52         DEBUG(3, ("[%5lu]: DsGetDcName for %s\n", (unsigned long)state->pid,
  53                   state->request.domain_name));
  54
  55         sendto_child(state, locator_child());
  56 }
  57
  58 static enum winbindd_result dual_dsgetdcname(struct winbindd_domain *domain,
  59                                              struct winbindd_cli_state *state)
  60 {
  61         NTSTATUS result;
  62         struct DS_DOMAIN_CONTROLLER_INFO *info = NULL;
  63         const char *dc = NULL;
  64
  65         state->request.domain_name
  66                 [sizeof(state->request.domain_name)-1] = '\0';
  67
  68         DEBUG(3, ("[%5lu]: DsGetDcName for %s\n", (unsigned long)state->pid,
  69                   state->request.domain_name));
  70
  71         result = DsGetDcName(state->mem_ctx, NULL, state->request.domain_name,
  72                              NULL, NULL, state->request.flags, &info);
  73
  74         if (!NT_STATUS_IS_OK(result)) {
  75                 return WINBINDD_ERROR;
  76         }
  77
  78         if (info->domain_controller_address) {
  79                 dc = info->domain_controller_address;
  80                 if ((dc[0] == '\\') && (dc[1] == '\\')) {
  81                         dc += 2;
  82                 }
  83         }
  84
  85         if ((!dc || !is_ipaddress_v4(dc)) && info->domain_controller_name) {
  86                 dc = info->domain_controller_name;
  87         }
  88
  89         if (!dc || !*dc) {
  90                 return WINBINDD_ERROR;
  91         }
  92
  93         fstrcpy(state->response.data.dc_name, dc);
  94
  95         return WINBINDD_OK;
  96 }
  97
  98 static const struct winbindd_child_dispatch_table locator_dispatch_table[] = {
  99         {
 100                 .name           = "DSGETDCNAME",
 101                 .struct_cmd     = WINBINDD_DSGETDCNAME,
 102                 .struct_fn      = dual_dsgetdcname,
 103         },{
 104                 .name           = NULL,
 105         }
 106 };