source3/lib/netapi/getdc.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  NetApi GetDC Support
   4  *  Copyright (C) Guenther Deschner 2007
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "includes.h"
  21
  22 #include "../librpc/gen_ndr/ndr_netlogon_c.h"
  23 #include "librpc/gen_ndr/libnetapi.h"
  24 #include "lib/netapi/netapi.h"
  25 #include "lib/netapi/netapi_private.h"
  26 #include "lib/netapi/libnetapi.h"
  27 #include "libsmb/dsgetdcname.h"
  28
  29 /********************************************************************
  30 ********************************************************************/
  31
  32 WERROR NetGetDCName_l(struct libnetapi_ctx *ctx,
  33                       struct NetGetDCName *r)
  34 {
  35         LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetGetDCName);
  36 }
  37
  38 /********************************************************************
  39 ********************************************************************/
  40
  41 WERROR NetGetDCName_r(struct libnetapi_ctx *ctx,
  42                       struct NetGetDCName *r)
  43 {
  44         NTSTATUS status;
  45         WERROR werr;
  46         struct dcerpc_binding_handle *b;
  47         const char *dcname;
  48         void *buffer;
  49
  50         werr = libnetapi_get_binding_handle(ctx, r->in.server_name,
  51                                             &ndr_table_netlogon,
  52                                             &b);
  53         if (!W_ERROR_IS_OK(werr)) {
  54                 goto done;
  55         }
  56
  57         status = dcerpc_netr_GetDcName(b, talloc_tos(),
  58                                        r->in.server_name,
  59                                        r->in.domain_name,
  60                                        &dcname,
  61                                        &werr);
  62
  63         if (!NT_STATUS_IS_OK(status)) {
  64                 werr = ntstatus_to_werror(status);
  65                 goto done;
  66         }
  67
  68         if (!W_ERROR_IS_OK(werr)) {
  69                 goto done;
  70         }
  71
  72         if (NetApiBufferAllocate(strlen_m_term(dcname), &buffer)) {
  73                 werr = WERR_NOT_ENOUGH_MEMORY;
  74                 goto done;
  75         }
  76         memcpy(buffer, dcname, strlen_m_term(dcname));
  77         *r->out.buffer = buffer;
  78  done:
  79
  80         return werr;
  81 }
  82
  83 /********************************************************************
  84 ********************************************************************/
  85
  86 WERROR NetGetAnyDCName_l(struct libnetapi_ctx *ctx,
  87                          struct NetGetAnyDCName *r)
  88 {
  89         LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetGetAnyDCName);
  90 }
  91
  92 /********************************************************************
  93 ********************************************************************/
  94
  95 WERROR NetGetAnyDCName_r(struct libnetapi_ctx *ctx,
  96                          struct NetGetAnyDCName *r)
  97 {
  98         NTSTATUS status;
  99         WERROR werr;
 100         struct dcerpc_binding_handle *b;
 101         const char *dcname;
 102         void *buffer;
 103
 104         werr = libnetapi_get_binding_handle(ctx, r->in.server_name,
 105                                             &ndr_table_netlogon,
 106                                             &b);
 107         if (!W_ERROR_IS_OK(werr)) {
 108                 goto done;
 109         }
 110
 111         status = dcerpc_netr_GetAnyDCName(b, talloc_tos(),
 112                                           r->in.server_name,
 113                                           r->in.domain_name,
 114                                           &dcname,
 115                                           &werr);
 116         if (!NT_STATUS_IS_OK(status)) {
 117                 werr = ntstatus_to_werror(status);
 118                 goto done;
 119         }
 120
 121         if (!W_ERROR_IS_OK(werr)) {
 122                 goto done;
 123         }
 124
 125         if (NetApiBufferAllocate(strlen_m_term(dcname), &buffer)) {
 126                 werr = WERR_NOT_ENOUGH_MEMORY;
 127                 goto done;
 128         }
 129         memcpy(buffer, dcname, strlen_m_term(dcname));
 130         *r->out.buffer = buffer;
 131
 132  done:
 133
 134         return werr;
 135
 136 }
 137
 138 /********************************************************************
 139 ********************************************************************/
 140
 141 WERROR DsGetDcName_l(struct libnetapi_ctx *ctx,
 142                      struct DsGetDcName *r)
 143 {
 144         NTSTATUS status;
 145         struct libnetapi_private_ctx *priv;
 146
 147         priv = talloc_get_type_abort(ctx->private_data,
 148                 struct libnetapi_private_ctx);
 149
 150         status = dsgetdcname(ctx,
 151                              priv->msg_ctx,
 152                              r->in.domain_name,
 153                              r->in.domain_guid,
 154                              r->in.site_name,
 155                              r->in.flags,
 156                              (struct netr_DsRGetDCNameInfo **)r->out.dc_info);
 157         if (!NT_STATUS_IS_OK(status)) {
 158                 libnetapi_set_error_string(ctx,
 159                         "failed to find DC: %s",
 160                         get_friendly_nt_error_msg(status));
 161         }
 162
 163         return ntstatus_to_werror(status);
 164 }
 165
 166 /********************************************************************
 167 ********************************************************************/
 168
 169 WERROR DsGetDcName_r(struct libnetapi_ctx *ctx,
 170                      struct DsGetDcName *r)
 171 {
 172         WERROR werr;
 173         NTSTATUS status = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
 174         struct dcerpc_binding_handle *b;
 175
 176         werr = libnetapi_get_binding_handle(ctx, r->in.server_name,
 177                                             &ndr_table_netlogon,
 178                                             &b);
 179         if (!W_ERROR_IS_OK(werr)) {
 180                 goto done;
 181         }
 182
 183         status = dcerpc_netr_DsRGetDCNameEx(b,
 184                                             ctx,
 185                                             r->in.server_name,
 186                                             r->in.domain_name,
 187                                             r->in.domain_guid,
 188                                             r->in.site_name,
 189                                             r->in.flags,
 190                                             (struct netr_DsRGetDCNameInfo **)r->out.dc_info,
 191                                             &werr);
 192         if (NT_STATUS_IS_OK(status) && W_ERROR_IS_OK(werr)) {
 193                 goto done;
 194         }
 195
 196         status = dcerpc_netr_DsRGetDCName(b,
 197                                           ctx,
 198                                           r->in.server_name,
 199                                           r->in.domain_name,
 200                                           r->in.domain_guid,
 201                                           NULL,
 202                                           r->in.flags,
 203                                           (struct netr_DsRGetDCNameInfo **)r->out.dc_info,
 204                                           &werr);
 205         if (!NT_STATUS_IS_OK(status)) {
 206                 werr = ntstatus_to_werror(status);
 207                 goto done;
 208         }
 209
 210  done:
 211         return werr;
 212 }