Line data    Source code

       1             : /* 
       2             :    Unix SMB/CIFS implementation.
       3             :    Samba utility functions
       4             : 
       5             :    Copyright (C) Andrew Tridgell 2009
       6             :    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
       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 3 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, see <http://www.gnu.org/licenses/>.
      20             : */
      21             : 
      22             : #include "includes.h"
      23             : #include "dsdb/samdb/samdb.h"
      24             : #include <ldb_module.h>
      25             : #include "librpc/ndr/libndr.h"
      26             : #include "libcli/security/dom_sid.h"
      27             : 
      28             : /*
      29             :    convert a dsdb_dn to a linked attribute data blob
      30             : */
      31       16815 : WERROR dsdb_dn_la_to_blob(struct ldb_context *sam_ctx,
      32             :                           const struct dsdb_attribute *schema_attrib,
      33             :                           const struct dsdb_schema *schema,
      34             :                           TALLOC_CTX *mem_ctx,
      35             :                           struct dsdb_dn *dsdb_dn, DATA_BLOB **blob)
      36             : {
      37             :         struct ldb_val v;
      38             :         WERROR werr;
      39             :         struct ldb_message_element val_el;
      40             :         struct drsuapi_DsReplicaAttribute drs;
      41             :         struct dsdb_syntax_ctx syntax_ctx;
      42             : 
      43             :         /* use default syntax conversion context */
      44       16815 :         dsdb_syntax_ctx_init(&syntax_ctx, sam_ctx, schema);
      45             : 
      46             :         /* we need a message_element with just one value in it */
      47       16815 :         v = data_blob_string_const(dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 1));
      48             : 
      49       16815 :         val_el.name = schema_attrib->lDAPDisplayName;
      50       16815 :         val_el.values = &v;
      51       16815 :         val_el.num_values = 1;
      52             : 
      53       16815 :         werr = schema_attrib->syntax->ldb_to_drsuapi(&syntax_ctx, schema_attrib, &val_el, mem_ctx, &drs);
      54       16815 :         W_ERROR_NOT_OK_RETURN(werr);
      55             : 
      56       16815 :         if (drs.value_ctr.num_values != 1) {
      57           0 :                 DEBUG(1,(__location__ ": Failed to build DRS blob for linked attribute %s\n",
      58             :                          schema_attrib->lDAPDisplayName));
      59           0 :                 return WERR_DS_DRA_INTERNAL_ERROR;
      60             :         }
      61             : 
      62       16815 :         *blob = drs.value_ctr.values[0].blob;
      63       16815 :         return WERR_OK;
      64             : }
      65             : 
      66             : /*
      67             :   convert a data blob to a dsdb_dn
      68             :  */
      69       39799 : WERROR dsdb_dn_la_from_blob(struct ldb_context *sam_ctx,
      70             :                             const struct dsdb_attribute *schema_attrib,
      71             :                             const struct dsdb_schema *schema,
      72             :                             TALLOC_CTX *mem_ctx,
      73             :                             DATA_BLOB *blob,
      74             :                             struct dsdb_dn **dsdb_dn)
      75             : {
      76             :         WERROR werr;
      77             :         struct ldb_message_element new_el;
      78             :         struct drsuapi_DsReplicaAttribute drs;
      79             :         struct drsuapi_DsAttributeValue val;
      80             :         struct dsdb_syntax_ctx syntax_ctx;
      81             : 
      82             :         /* use default syntax conversion context */
      83       39799 :         dsdb_syntax_ctx_init(&syntax_ctx, sam_ctx, schema);
      84             : 
      85       39799 :         drs.value_ctr.num_values = 1;
      86       39799 :         drs.value_ctr.values = &val;
      87       39799 :         val.blob = blob;
      88             : 
      89       39799 :         werr = schema_attrib->syntax->drsuapi_to_ldb(&syntax_ctx, schema_attrib, &drs, mem_ctx, &new_el);
      90       39799 :         W_ERROR_NOT_OK_RETURN(werr);
      91             : 
      92       39799 :         if (new_el.num_values != 1) {
      93           0 :                 return WERR_INTERNAL_ERROR;
      94             :         }
      95             : 
      96       39799 :         *dsdb_dn = dsdb_dn_parse(mem_ctx, sam_ctx, &new_el.values[0], schema_attrib->syntax->ldap_oid);
      97       39799 :         if (!*dsdb_dn) {
      98           0 :                 return WERR_INTERNAL_ERROR;
      99             :         }
     100             : 
     101       39799 :         return WERR_OK;
     102             : }