git.sur5r.net Git - openldap/blob - servers/slapd/modrdn.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2006 The OpenLDAP Foundation.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted only as authorized by the OpenLDAP
   9  * Public License.
  10  *
  11  * A copy of this license is available in the file LICENSE in the
  12  * top-level directory of the distribution or, alternatively, at
  13  * <http://www.OpenLDAP.org/license.html>.
  14  */
  15 /* Portions Copyright 1999, Juan C. Gomez, All rights reserved.
  16  * This software is not subject to any license of Silicon Graphics
  17  * Inc. or Purdue University.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * without restriction or fee of any kind as long as this notice
  21  * is preserved.
  22  */
  23 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  24  * All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms are permitted
  27  * provided that this notice is preserved and that due credit is given
  28  * to the University of Michigan at Ann Arbor. The name of the University
  29  * may not be used to endorse or promote products derived from this
  30  * software without specific prior written permission. This software
  31  * is provided ``as is'' without express or implied warranty.
  32  */
  33
  34 #include "portable.h"
  35
  36 #include <stdio.h>
  37
  38 #include <ac/socket.h>
  39 #include <ac/string.h>
  40
  41 #include "slap.h"
  42
  43 int
  44 do_modrdn(
  45     Operation   *op,
  46     SlapReply   *rs
  47 )
  48 {
  49         struct berval   dn = BER_BVNULL;
  50         struct berval   newrdn = BER_BVNULL;
  51         struct berval   newSuperior = BER_BVNULL;
  52         ber_int_t       deloldrdn;
  53
  54         struct berval pnewSuperior = BER_BVNULL;
  55
  56         struct berval nnewSuperior = BER_BVNULL;
  57
  58         ber_len_t       length;
  59
  60         Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
  61
  62
  63         /*
  64          * Parse the modrdn request.  It looks like this:
  65          *
  66          *      ModifyRDNRequest := SEQUENCE {
  67          *              entry   DistinguishedName,
  68          *              newrdn  RelativeDistinguishedName
  69          *              deleteoldrdn    BOOLEAN,
  70          *              newSuperior     [0] LDAPDN OPTIONAL (v3 Only!)
  71          *      }
  72          */
  73
  74         if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn )
  75             == LBER_ERROR )
  76         {
  77                 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
  78
  79                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  80                 return SLAPD_DISCONNECT;
  81         }
  82
  83         /* Check for newSuperior parameter, if present scan it */
  84
  85         if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
  86                 if ( op->o_protocol < LDAP_VERSION3 ) {
  87                         /* Conection record indicates v2 but field
  88                          * newSuperior is present: report error.
  89                          */
  90                         Debug( LDAP_DEBUG_ANY,
  91                             "modrdn(v2): invalid field newSuperior!\n",
  92                             0, 0, 0 );
  93
  94                         send_ldap_discon( op, rs,
  95                                 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
  96                         rs->sr_err = SLAPD_DISCONNECT;
  97                         goto cleanup;
  98                 }
  99
 100                 if ( ber_scanf( op->o_ber, "m", &newSuperior )
 101                      == LBER_ERROR ) {
 102
 103                         Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n",
 104                                 0, 0, 0 );
 105
 106                         send_ldap_discon( op, rs,
 107                                 LDAP_PROTOCOL_ERROR, "decoding error" );
 108                         rs->sr_err = SLAPD_DISCONNECT;
 109                         goto cleanup;
 110                 }
 111                 op->orr_newSup = &pnewSuperior;
 112                 op->orr_nnewSup = &nnewSuperior;
 113         }
 114
 115         Debug( LDAP_DEBUG_ARGS,
 116             "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
 117                 dn.bv_val, newrdn.bv_val,
 118                 newSuperior.bv_len ? newSuperior.bv_val : "" );
 119
 120         if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
 121                 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
 122
 123                 send_ldap_discon( op, rs,
 124                         LDAP_PROTOCOL_ERROR, "decoding error" );
 125                 rs->sr_err = SLAPD_DISCONNECT;
 126                 goto cleanup;
 127         }
 128
 129         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 130                 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
 131
 132                 /* get_ctrls has sent results.  Now clean up. */
 133                 goto cleanup;
 134         }
 135
 136         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 137         if( rs->sr_err != LDAP_SUCCESS ) {
 138                 Debug( LDAP_DEBUG_ANY,
 139                         "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 140                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 141                 goto cleanup;
 142         }
 143
 144         /* FIXME: should have/use rdnPretty / rdnNormalize routines */
 145
 146         rs->sr_err = dnPrettyNormal( NULL, &newrdn, &op->orr_newrdn, &op->orr_nnewrdn, op->o_tmpmemctx );
 147         if( rs->sr_err != LDAP_SUCCESS ) {
 148                 Debug( LDAP_DEBUG_ANY,
 149                         "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
 150                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
 151                 goto cleanup;
 152         }
 153
 154         if( rdn_validate( &op->orr_newrdn ) != LDAP_SUCCESS ) {
 155                 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
 156                         op->orr_newrdn.bv_val, 0, 0 );
 157
 158                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
 159                 goto cleanup;
 160         }
 161
 162         if( op->orr_newSup ) {
 163                 rs->sr_err = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
 164                         &nnewSuperior, op->o_tmpmemctx );
 165                 if( rs->sr_err != LDAP_SUCCESS ) {
 166                         Debug( LDAP_DEBUG_ANY,
 167                                 "do_modrdn: invalid newSuperior (%s)\n",
 168                                 newSuperior.bv_val, 0, 0 );
 169                         send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid newSuperior" );
 170                         goto cleanup;
 171                 }
 172         }
 173
 174         op->orr_deleteoldrdn = deloldrdn;
 175         op->orr_modlist = NULL;
 176
 177         /* prepare modlist of modifications from old/new RDN */
 178         rs->sr_err = slap_modrdn2mods( op, rs );
 179         if ( rs->sr_err != LDAP_SUCCESS ) {
 180                 send_ldap_result( op, rs );
 181                 goto cleanup;
 182         }
 183
 184         op->o_bd = frontendDB;
 185         rs->sr_err = frontendDB->be_modrdn( op, rs );
 186
 187 cleanup:
 188         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 189         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 190
 191         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
 192         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
 193
 194         if ( op->orr_modlist != NULL )
 195                 slap_mods_free( op->orr_modlist, 1 );
 196
 197         if ( !BER_BVISNULL( &pnewSuperior ) )
 198                 op->o_tmpfree( pnewSuperior.bv_val, op->o_tmpmemctx );
 199         if ( !BER_BVISNULL( &nnewSuperior ) )
 200                 op->o_tmpfree( nnewSuperior.bv_val, op->o_tmpmemctx );
 201
 202         return rs->sr_err;
 203 }
 204
 205 int
 206 fe_op_modrdn( Operation *op, SlapReply *rs )
 207 {
 208         Backend         *newSuperior_be = NULL;
 209         int             manageDSAit;
 210         struct berval   pdn = BER_BVNULL;
 211         BackendDB       *op_be, *bd = op->o_bd;
 212
 213         if( op->o_req_ndn.bv_len == 0 ) {
 214                 Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
 215
 216                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 217                         "cannot rename the root DSE" );
 218                 goto cleanup;
 219
 220         } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
 221                 Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry: %s (%ld)\n",
 222                         frontendDB->be_schemandn.bv_val, (long)frontendDB->be_schemandn.bv_len, 0 );
 223
 224                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 225                         "cannot rename subschema subentry" );
 226                 goto cleanup;
 227         }
 228
 229         Statslog( LDAP_DEBUG_STATS, "%s MODRDN dn=\"%s\"\n",
 230             op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
 231
 232         manageDSAit = get_manageDSAit( op );
 233
 234         /*
 235          * We could be serving multiple database backends.  Select the
 236          * appropriate one, or send a referral to our "referral server"
 237          * if we don't hold it.
 238          */
 239         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 );
 240         if ( op->o_bd == NULL ) {
 241                 op->o_bd = bd;
 242                 rs->sr_ref = referral_rewrite( default_referral,
 243                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 244                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 245
 246                 if ( rs->sr_ref != NULL ) {
 247                         rs->sr_err = LDAP_REFERRAL;
 248                         send_ldap_result( op, rs );
 249
 250                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 251                 } else {
 252                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 253                                 "no global superior knowledge" );
 254                 }
 255                 goto cleanup;
 256         }
 257
 258         /* If we've got a glued backend, check the real backend */
 259         op_be = op->o_bd;
 260         if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
 261                 op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 );
 262         }
 263
 264         /* check restrictions */
 265         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 266                 send_ldap_result( op, rs );
 267                 goto cleanup;
 268         }
 269
 270         /* check for referrals */
 271         if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 272                 goto cleanup;
 273         }
 274
 275         /* Make sure that the entry being changed and the newSuperior are in
 276          * the same backend, otherwise we return an error.
 277          */
 278         if( op->orr_newSup ) {
 279                 newSuperior_be = select_backend( op->orr_nnewSup, 0, 0 );
 280
 281                 if ( newSuperior_be != op->o_bd ) {
 282                         /* newSuperior is in different backend */
 283                         send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS,
 284                                 "cannot rename between DSAs" );
 285
 286                         goto cleanup;
 287                 }
 288         }
 289
 290         /*
 291          * do the modrdn if 1 && (2 || 3)
 292          * 1) there is a modrdn function implemented in this backend;
 293          * 2) this backend is master for what it holds;
 294          * 3) it's a replica and the dn supplied is the update_ndn.
 295          */
 296         if ( op->o_bd->be_modrdn ) {
 297                 /* do the update here */
 298                 int repl_user = be_isupdate( op );
 299 #ifndef SLAPD_MULTIMASTER
 300                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 301 #endif /* ! SLAPD_MULTIMASTER */
 302                 {
 303                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 304
 305                         op->o_bd = op_be;
 306
 307 #ifdef SLAPD_MULTIMASTER
 308                         if ( !op->o_bd->be_update_ndn.bv_len || !repl_user )
 309 #endif /* SLAPD_MULTIMASTER */
 310                         {
 311                                 cb.sc_next = op->o_callback;
 312                                 op->o_callback = &cb;
 313                         }
 314                         op->o_bd->be_modrdn( op, rs );
 315
 316                         if ( op->o_bd->be_delete ) {
 317                                 struct berval   org_req_dn = BER_BVNULL;
 318                                 struct berval   org_req_ndn = BER_BVNULL;
 319                                 struct berval   org_dn = BER_BVNULL;
 320                                 struct berval   org_ndn = BER_BVNULL;
 321                                 int             org_managedsait;
 322
 323                                 org_req_dn = op->o_req_dn;
 324                                 org_req_ndn = op->o_req_ndn;
 325                                 org_dn = op->o_dn;
 326                                 org_ndn = op->o_ndn;
 327                                 org_managedsait = get_manageDSAit( op );
 328                                 op->o_dn = op->o_bd->be_rootdn;
 329                                 op->o_ndn = op->o_bd->be_rootndn;
 330                                 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 331
 332                                 while ( rs->sr_err == LDAP_SUCCESS &&
 333                                                 op->o_delete_glue_parent ) {
 334                                         op->o_delete_glue_parent = 0;
 335                                         if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
 336                                                 slap_callback cb = { NULL };
 337                                                 cb.sc_response = slap_null_cb;
 338                                                 dnParent( &op->o_req_ndn, &pdn );
 339                                                 op->o_req_dn = pdn;
 340                                                 op->o_req_ndn = pdn;
 341                                                 op->o_callback = &cb;
 342                                                 op->o_bd->be_delete( op, rs );
 343                                         } else {
 344                                                 break;
 345                                         }
 346                                 }
 347                                 op->o_managedsait = org_managedsait;
 348                                 op->o_dn = org_dn;
 349                                 op->o_ndn = org_ndn;
 350                                 op->o_req_dn = org_req_dn;
 351                                 op->o_req_ndn = org_req_ndn;
 352                                 op->o_delete_glue_parent = 0;
 353                         }
 354
 355 #ifndef SLAPD_MULTIMASTER
 356                 } else {
 357                         BerVarray defref = op->o_bd->be_update_refs
 358                                 ? op->o_bd->be_update_refs : default_referral;
 359
 360                         if ( defref != NULL ) {
 361                                 rs->sr_ref = referral_rewrite( defref,
 362                                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 363                                 if (!rs->sr_ref) rs->sr_ref = defref;
 364
 365                                 rs->sr_err = LDAP_REFERRAL;
 366                                 send_ldap_result( op, rs );
 367
 368                                 if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
 369                         } else {
 370                                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 371                                         "shadow context; no update referral" );
 372                         }
 373 #endif /* ! SLAPD_MULTIMASTER */
 374                 }
 375         } else {
 376                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 377                         "operation not supported within namingContext" );
 378         }
 379
 380 cleanup:;
 381         op->o_bd = bd;
 382         return rs->sr_err;
 383 }
 384
 385 int
 386 slap_modrdn2mods(
 387         Operation       *op,
 388         SlapReply       *rs )
 389 {
 390         int             a_cnt, d_cnt;
 391         LDAPRDN         old_rdn = NULL;
 392         LDAPRDN         new_rdn = NULL;
 393
 394         assert( !BER_BVISEMPTY( &op->oq_modrdn.rs_newrdn ) );
 395         assert( !op->orr_deleteoldrdn || !BER_BVISEMPTY( &op->o_req_dn ) );
 396
 397         if ( ldap_bv2rdn_x( &op->oq_modrdn.rs_newrdn, &new_rdn,
 398                 (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) ) {
 399                 Debug( LDAP_DEBUG_TRACE,
 400                         "slap_modrdn2mods: can't figure out "
 401                         "type(s)/value(s) of newrdn\n", 0, 0, 0 );
 402                 rs->sr_err = LDAP_INVALID_DN_SYNTAX;
 403                 rs->sr_text = "unknown type(s) used in RDN";
 404                 goto done;
 405         }
 406
 407         if ( op->oq_modrdn.rs_deleteoldrdn ) {
 408                 if ( ldap_bv2rdn_x( &op->o_req_dn, &old_rdn,
 409                         (char **)&rs->sr_text, LDAP_DN_FORMAT_LDAP, op->o_tmpmemctx ) ) {
 410                         Debug( LDAP_DEBUG_TRACE,
 411                                 "slap_modrdn2mods: can't figure out "
 412                                 "type(s)/value(s) of oldrdn\n", 0, 0, 0 );
 413                         rs->sr_err = LDAP_OTHER;
 414                         rs->sr_text = "cannot parse RDN from old DN";
 415                         goto done;
 416                 }
 417         }
 418
 419         /* Add new attribute values to the entry */
 420         for ( a_cnt = 0; new_rdn[a_cnt]; a_cnt++ ) {
 421                 AttributeDescription    *desc = NULL;
 422                 Modifications           *mod_tmp;
 423
 424                 rs->sr_err = slap_bv2ad( &new_rdn[a_cnt]->la_attr, &desc, &rs->sr_text );
 425
 426                 if ( rs->sr_err != LDAP_SUCCESS ) {
 427                         Debug( LDAP_DEBUG_TRACE,
 428                                 "slap_modrdn2mods: %s: %s (new)\n",
 429                                 rs->sr_text,
 430                                 new_rdn[ a_cnt ]->la_attr.bv_val, 0 );
 431                         goto done;
 432                 }
 433
 434                 /* Apply modification */
 435                 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications ) );
 436                 mod_tmp->sml_desc = desc;
 437                 BER_BVZERO( &mod_tmp->sml_type );
 438                 mod_tmp->sml_values = ( BerVarray )ch_malloc( 2 * sizeof( struct berval ) );
 439                 ber_dupbv( &mod_tmp->sml_values[0], &new_rdn[a_cnt]->la_value );
 440                 mod_tmp->sml_values[1].bv_val = NULL;
 441                 if( desc->ad_type->sat_equality->smr_normalize) {
 442                         mod_tmp->sml_nvalues = ( BerVarray )ch_malloc( 2 * sizeof( struct berval ) );
 443                         (void) (*desc->ad_type->sat_equality->smr_normalize)(
 444                                 SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
 445                                 desc->ad_type->sat_syntax,
 446                                 desc->ad_type->sat_equality,
 447                                 &mod_tmp->sml_values[0],
 448                                 &mod_tmp->sml_nvalues[0], NULL );
 449                         mod_tmp->sml_nvalues[1].bv_val = NULL;
 450                 } else {
 451                         mod_tmp->sml_nvalues = NULL;
 452                 }
 453                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 454                 mod_tmp->sml_flags = 0;
 455                 mod_tmp->sml_next = op->orr_modlist;
 456                 op->orr_modlist = mod_tmp;
 457         }
 458
 459         /* Remove old rdn value if required */
 460         if ( op->orr_deleteoldrdn ) {
 461                 for ( d_cnt = 0; old_rdn[d_cnt]; d_cnt++ ) {
 462                         AttributeDescription    *desc = NULL;
 463                         Modifications           *mod_tmp;
 464
 465                         rs->sr_err = slap_bv2ad( &old_rdn[d_cnt]->la_attr, &desc, &rs->sr_text );
 466                         if ( rs->sr_err != LDAP_SUCCESS ) {
 467                                 Debug( LDAP_DEBUG_TRACE,
 468                                         "slap_modrdn2mods: %s: %s (old)\n",
 469                                         rs->sr_text,
 470                                         old_rdn[d_cnt]->la_attr.bv_val,
 471                                         0 );
 472                                 goto done;
 473                         }
 474
 475                         /* Apply modification */
 476                         mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications ) );
 477                         mod_tmp->sml_desc = desc;
 478                         BER_BVZERO( &mod_tmp->sml_type );
 479                         mod_tmp->sml_values = ( BerVarray )ch_malloc( 2 * sizeof( struct berval ) );
 480                         ber_dupbv( &mod_tmp->sml_values[0], &old_rdn[d_cnt]->la_value );
 481                         mod_tmp->sml_values[1].bv_val = NULL;
 482                         if( desc->ad_type->sat_equality->smr_normalize) {
 483                                 mod_tmp->sml_nvalues = ( BerVarray )ch_malloc( 2 * sizeof( struct berval ) );
 484                                 (void) (*desc->ad_type->sat_equality->smr_normalize)(
 485                                         SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
 486                                         desc->ad_type->sat_syntax,
 487                                         desc->ad_type->sat_equality,
 488                                         &mod_tmp->sml_values[0],
 489                                         &mod_tmp->sml_nvalues[0], NULL );
 490                                 mod_tmp->sml_nvalues[1].bv_val = NULL;
 491                         } else {
 492                                 mod_tmp->sml_nvalues = NULL;
 493                         }
 494                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 495                         mod_tmp->sml_flags = 0;
 496                         mod_tmp->sml_next = op->orr_modlist;
 497                         op->orr_modlist = mod_tmp;
 498                 }
 499         }
 500
 501 done:
 502
 503 #if 0
 504         /* should be done by backend */
 505         if ( rs->sr_err == LDAP_SUCCESS && !repl_user ) {
 506                 slap_mods_opattrs( op, &op->orr_modlist, 1 );
 507         }
 508 #endif
 509
 510         /* LDAP v2 supporting correct attribute handling. */
 511         if ( rs->sr_err != LDAP_SUCCESS && op->orr_modlist != NULL ) {
 512                 Modifications *tmp;
 513
 514                 for ( ; op->orr_modlist != NULL; op->orr_modlist = tmp ) {
 515                         tmp = op->orr_modlist->sml_next;
 516                         ch_free( op->orr_modlist );
 517                 }
 518         }
 519
 520         if ( new_rdn != NULL ) {
 521                 ldap_rdnfree_x( new_rdn, op->o_tmpmemctx );
 522         }
 523         if ( old_rdn != NULL ) {
 524                 ldap_rdnfree_x( old_rdn, op->o_tmpmemctx );
 525         }
 526
 527         return rs->sr_err;
 528 }
 529