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 1998-2005 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 #ifdef LDAP_SLAPI
  43 #include "slapi/slapi.h"
  44 #endif
  45
  46 int
  47 do_modrdn(
  48     Operation   *op,
  49     SlapReply   *rs
  50 )
  51 {
  52         struct berval   dn = BER_BVNULL;
  53         struct berval   newrdn = BER_BVNULL;
  54         struct berval   newSuperior = BER_BVNULL;
  55         ber_int_t       deloldrdn;
  56
  57         struct berval pnewSuperior = BER_BVNULL;
  58
  59         struct berval nnewSuperior = BER_BVNULL;
  60
  61         ber_len_t       length;
  62
  63         Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
  64
  65
  66         /*
  67          * Parse the modrdn request.  It looks like this:
  68          *
  69          *      ModifyRDNRequest := SEQUENCE {
  70          *              entry   DistinguishedName,
  71          *              newrdn  RelativeDistinguishedName
  72          *              deleteoldrdn    BOOLEAN,
  73          *              newSuperior     [0] LDAPDN OPTIONAL (v3 Only!)
  74          *      }
  75          */
  76
  77         if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn )
  78             == LBER_ERROR )
  79         {
  80                 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
  81
  82                 send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
  83                 return SLAPD_DISCONNECT;
  84         }
  85
  86         /* Check for newSuperior parameter, if present scan it */
  87
  88         if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) {
  89                 if ( op->o_protocol < LDAP_VERSION3 ) {
  90                         /* Conection record indicates v2 but field
  91                          * newSuperior is present: report error.
  92                          */
  93                         Debug( LDAP_DEBUG_ANY,
  94                             "modrdn(v2): invalid field newSuperior!\n",
  95                             0, 0, 0 );
  96
  97                         send_ldap_discon( op, rs,
  98                                 LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
  99                         rs->sr_err = SLAPD_DISCONNECT;
 100                         goto cleanup;
 101                 }
 102
 103                 if ( ber_scanf( op->o_ber, "m", &newSuperior )
 104                      == LBER_ERROR ) {
 105
 106                         Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n",
 107                                 0, 0, 0 );
 108
 109                         send_ldap_discon( op, rs,
 110                                 LDAP_PROTOCOL_ERROR, "decoding error" );
 111                         rs->sr_err = SLAPD_DISCONNECT;
 112                         goto cleanup;
 113                 }
 114                 op->orr_newSup = &pnewSuperior;
 115                 op->orr_nnewSup = &nnewSuperior;
 116         }
 117
 118         Debug( LDAP_DEBUG_ARGS,
 119             "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n",
 120                 dn.bv_val, newrdn.bv_val,
 121                 newSuperior.bv_len ? newSuperior.bv_val : "" );
 122
 123         if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) {
 124                 Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 );
 125
 126                 send_ldap_discon( op, rs,
 127                         LDAP_PROTOCOL_ERROR, "decoding error" );
 128                 rs->sr_err = SLAPD_DISCONNECT;
 129                 goto cleanup;
 130         }
 131
 132         if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
 133                 Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 );
 134
 135                 /* get_ctrls has sent results.  Now clean up. */
 136                 goto cleanup;
 137         }
 138
 139         rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx );
 140         if( rs->sr_err != LDAP_SUCCESS ) {
 141                 Debug( LDAP_DEBUG_ANY,
 142                         "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
 143                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" );
 144                 goto cleanup;
 145         }
 146
 147         /* FIXME: should have/use rdnPretty / rdnNormalize routines */
 148
 149         rs->sr_err = dnPrettyNormal( NULL, &newrdn, &op->orr_newrdn, &op->orr_nnewrdn, op->o_tmpmemctx );
 150         if( rs->sr_err != LDAP_SUCCESS ) {
 151                 Debug( LDAP_DEBUG_ANY,
 152                         "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
 153                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
 154                 goto cleanup;
 155         }
 156
 157         if( rdn_validate( &op->orr_newrdn ) != LDAP_SUCCESS ) {
 158                 Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
 159                         op->orr_newrdn.bv_val, 0, 0 );
 160
 161                 send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" );
 162                 goto cleanup;
 163         }
 164
 165         if( op->orr_newSup ) {
 166                 rs->sr_err = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
 167                         &nnewSuperior, op->o_tmpmemctx );
 168                 if( rs->sr_err != LDAP_SUCCESS ) {
 169                         Debug( LDAP_DEBUG_ANY,
 170                                 "do_modrdn: invalid newSuperior (%s)\n",
 171                                 newSuperior.bv_val, 0, 0 );
 172                         send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid newSuperior" );
 173                         goto cleanup;
 174                 }
 175         }
 176
 177         /* FIXME: temporary? */
 178         op->orr_deleteoldrdn = deloldrdn;
 179
 180         op->o_bd = frontendDB;
 181         rs->sr_err = frontendDB->be_modrdn( op, rs );
 182
 183 cleanup:
 184         slap_graduate_commit_csn( op );
 185
 186         op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
 187         op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
 188
 189         op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx );
 190         op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx );
 191
 192         if ( !BER_BVISNULL( &pnewSuperior ) )
 193                 op->o_tmpfree( pnewSuperior.bv_val, op->o_tmpmemctx );
 194         if ( !BER_BVISNULL( &nnewSuperior ) )
 195                 op->o_tmpfree( nnewSuperior.bv_val, op->o_tmpmemctx );
 196
 197         return rs->sr_err;
 198 }
 199
 200 int
 201 fe_op_modrdn( Operation *op, SlapReply *rs )
 202 {
 203         Backend         *newSuperior_be = NULL;
 204         int             manageDSAit;
 205         struct berval   pdn = BER_BVNULL;
 206
 207         if( op->o_req_ndn.bv_len == 0 ) {
 208                 Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 );
 209
 210                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 211                         "cannot rename the root DSE" );
 212                 goto cleanup;
 213
 214         } else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
 215                 Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry: %s (%ld)\n",
 216                         frontendDB->be_schemandn.bv_val, (long)frontendDB->be_schemandn.bv_len, 0 );
 217
 218                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 219                         "cannot rename subschema subentry" );
 220                 goto cleanup;
 221         }
 222
 223         Statslog( LDAP_DEBUG_STATS, "%s MODRDN dn=\"%s\"\n",
 224             op->o_log_prefix, op->o_req_dn.bv_val, 0, 0, 0 );
 225
 226         manageDSAit = get_manageDSAit( op );
 227
 228         /*
 229          * We could be serving multiple database backends.  Select the
 230          * appropriate one, or send a referral to our "referral server"
 231          * if we don't hold it.
 232          */
 233         op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 1 );
 234         if ( op->o_bd == NULL ) {
 235                 rs->sr_ref = referral_rewrite( default_referral,
 236                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 237                 if (!rs->sr_ref) rs->sr_ref = default_referral;
 238
 239                 if ( rs->sr_ref != NULL ) {
 240                         rs->sr_err = LDAP_REFERRAL;
 241                         send_ldap_result( op, rs );
 242
 243                         if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
 244                 } else {
 245                         send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 246                                 "no global superior knowledge" );
 247                 }
 248                 goto cleanup;
 249         }
 250
 251         /* check restrictions */
 252         if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
 253                 send_ldap_result( op, rs );
 254                 goto cleanup;
 255         }
 256
 257         /* check for referrals */
 258         if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
 259                 goto cleanup;
 260         }
 261
 262         /* Make sure that the entry being changed and the newSuperior are in
 263          * the same backend, otherwise we return an error.
 264          */
 265         if( op->orr_newSup ) {
 266                 newSuperior_be = select_backend( op->orr_nnewSup, 0, 0 );
 267
 268                 if ( newSuperior_be != op->o_bd ) {
 269                         /* newSuperior is in different backend */
 270                         send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS,
 271                                 "cannot rename between DSAs" );
 272
 273                         goto cleanup;
 274                 }
 275         }
 276
 277 #if defined( LDAP_SLAPI )
 278 #define pb      op->o_pb
 279         if ( pb ) {
 280                 slapi_int_pblock_set_operation( pb, op );
 281                 slapi_pblock_set( pb, SLAPI_MODRDN_TARGET, (void *)op->o_req_dn.bv_val );
 282                 slapi_pblock_set( pb, SLAPI_MODRDN_NEWRDN, (void *)op->orr_newrdn.bv_val );
 283                 slapi_pblock_set( pb, SLAPI_MODRDN_NEWSUPERIOR,
 284                                 (void *)op->orr_newSup->bv_val );
 285                 slapi_pblock_set( pb, SLAPI_MODRDN_DELOLDRDN, (void *)op->orr_deleteoldrdn);
 286                 slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
 287
 288                 rs->sr_err = slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_MODRDN_FN, pb );
 289                 if ( rs->sr_err < 0 ) {
 290                         /*
 291                          * A preoperation plugin failure will abort the
 292                          * entire operation.
 293                          */
 294                         Debug(LDAP_DEBUG_TRACE, "do_modrdn: modrdn preoperation plugin "
 295                                         "failed.\n", 0, 0, 0);
 296                         if ( ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 ) ||
 297                                  rs->sr_err == LDAP_SUCCESS ) {
 298                                 rs->sr_err = LDAP_OTHER;
 299                         }
 300                         goto cleanup;
 301                 }
 302         }
 303 #endif /* defined( LDAP_SLAPI ) */
 304
 305         /*
 306          * do the modrdn if 1 && (2 || 3)
 307          * 1) there is a modrdn function implemented in this backend;
 308          * 2) this backend is master for what it holds;
 309          * 3) it's a replica and the dn supplied is the update_ndn.
 310          */
 311         if ( op->o_bd->be_modrdn ) {
 312                 /* do the update here */
 313                 int repl_user = be_isupdate( op );
 314 #ifndef SLAPD_MULTIMASTER
 315                 if ( !SLAP_SHADOW(op->o_bd) || repl_user )
 316 #endif
 317                 {
 318                         slap_callback cb = { NULL, slap_replog_cb, NULL, NULL };
 319 #ifdef SLAPD_MULTIMASTER
 320                         if ( !op->o_bd->be_update_ndn.bv_len || !repl_user )
 321 #endif
 322                         {
 323                                 cb.sc_next = op->o_callback;
 324                                 op->o_callback = &cb;
 325                         }
 326                         op->o_bd->be_modrdn( op, rs );
 327
 328                         if ( op->o_bd->be_delete ) {
 329                                 struct berval   org_req_dn = BER_BVNULL;
 330                                 struct berval   org_req_ndn = BER_BVNULL;
 331                                 struct berval   org_dn = BER_BVNULL;
 332                                 struct berval   org_ndn = BER_BVNULL;
 333                                 int             org_managedsait;
 334
 335                                 org_req_dn = op->o_req_dn;
 336                                 org_req_ndn = op->o_req_ndn;
 337                                 org_dn = op->o_dn;
 338                                 org_ndn = op->o_ndn;
 339                                 org_managedsait = get_manageDSAit( op );
 340                                 op->o_dn = op->o_bd->be_rootdn;
 341                                 op->o_ndn = op->o_bd->be_rootndn;
 342                                 op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 343
 344                                 while ( rs->sr_err == LDAP_SUCCESS &&
 345                                                 op->o_delete_glue_parent ) {
 346                                         op->o_delete_glue_parent = 0;
 347                                         if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
 348                                                 slap_callback cb = { NULL };
 349                                                 cb.sc_response = slap_null_cb;
 350                                                 dnParent( &op->o_req_ndn, &pdn );
 351                                                 op->o_req_dn = pdn;
 352                                                 op->o_req_ndn = pdn;
 353                                                 op->o_callback = &cb;
 354                                                 op->o_bd->be_delete( op, rs );
 355                                         } else {
 356                                                 break;
 357                                         }
 358                                 }
 359                                 op->o_managedsait = org_managedsait;
 360                                 op->o_dn = org_dn;
 361                                 op->o_ndn = org_ndn;
 362                                 op->o_req_dn = org_req_dn;
 363                                 op->o_req_ndn = org_req_ndn;
 364                                 op->o_delete_glue_parent = 0;
 365                         }
 366
 367 #ifndef SLAPD_MULTIMASTER
 368                 } else {
 369                         BerVarray defref = op->o_bd->be_update_refs
 370                                 ? op->o_bd->be_update_refs : default_referral;
 371
 372                         if ( defref != NULL ) {
 373                                 rs->sr_ref = referral_rewrite( defref,
 374                                         NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 375                                 if (!rs->sr_ref) rs->sr_ref = defref;
 376
 377                                 rs->sr_err = LDAP_REFERRAL;
 378                                 send_ldap_result( op, rs );
 379
 380                                 if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
 381                         } else {
 382                                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 383                                         "shadow context; no update referral" );
 384                         }
 385 #endif
 386                 }
 387         } else {
 388                 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
 389                         "operation not supported within namingContext" );
 390         }
 391
 392 #if defined( LDAP_SLAPI )
 393         if ( pb != NULL && slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_POST_MODRDN_FN, pb ) < 0 ) {
 394                 Debug(LDAP_DEBUG_TRACE, "do_modrdn: modrdn postoperation plugins "
 395                                 "failed.\n", 0, 0, 0);
 396         }
 397 #endif /* defined( LDAP_SLAPI ) */
 398
 399 cleanup:;
 400         return rs->sr_err;
 401 }
 402
 403 int
 404 slap_modrdn2mods(
 405         Operation       *op,
 406         SlapReply       *rs,
 407         Entry           *e,
 408         LDAPRDN         old_rdn,
 409         LDAPRDN         new_rdn,
 410         Modifications   **pmod )
 411 {
 412         Modifications   *mod = NULL;
 413         Modifications   **modtail = &mod;
 414         int             a_cnt, d_cnt;
 415         int repl_user;
 416
 417         assert( new_rdn != NULL );
 418         assert( !op->orr_deleteoldrdn || old_rdn != NULL );
 419
 420         repl_user = be_isupdate( op );
 421
 422         /* Add new attribute values to the entry */
 423         for ( a_cnt = 0; new_rdn[a_cnt]; a_cnt++ ) {
 424                 AttributeDescription    *desc = NULL;
 425                 Modifications           *mod_tmp;
 426
 427                 rs->sr_err = slap_bv2ad( &new_rdn[a_cnt]->la_attr, &desc, &rs->sr_text );
 428
 429                 if ( rs->sr_err != LDAP_SUCCESS ) {
 430                         Debug( LDAP_DEBUG_TRACE,
 431                                 "slap_modrdn2modlist: %s: %s (new)\n",
 432                                 rs->sr_text,
 433                                 new_rdn[ a_cnt ]->la_attr.bv_val, 0 );
 434                         goto done;
 435                 }
 436
 437                 /* ACL check of newly added attrs */
 438                 if ( op->o_bd && !access_allowed( op, e, desc,
 439                         &new_rdn[a_cnt]->la_value, ACL_WRITE, NULL ) ) {
 440                         Debug( LDAP_DEBUG_TRACE,
 441                                 "slap_modrdn2modlist: access to attr \"%s\" "
 442                                 "(new) not allowed\n",
 443                                 new_rdn[ a_cnt ]->la_attr.bv_val, 0, 0 );
 444                         rs->sr_text = "access to naming attributes (new) not allowed";
 445                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 446                         goto done;
 447                 }
 448
 449                 /* Apply modification */
 450                 mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
 451                         + 4 * sizeof( struct berval ) );
 452                 mod_tmp->sml_desc = desc;
 453                 mod_tmp->sml_values = ( BerVarray )( mod_tmp + 1 );
 454                 mod_tmp->sml_values[0] = new_rdn[a_cnt]->la_value;
 455                 mod_tmp->sml_values[1].bv_val = NULL;
 456                 if( desc->ad_type->sat_equality->smr_normalize) {
 457                         mod_tmp->sml_nvalues = &mod_tmp->sml_values[2];
 458                         (void) (*desc->ad_type->sat_equality->smr_normalize)(
 459                                 SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
 460                                 desc->ad_type->sat_syntax,
 461                                 desc->ad_type->sat_equality,
 462                                 &mod_tmp->sml_values[0],
 463                                 &mod_tmp->sml_nvalues[0], NULL );
 464                         mod_tmp->sml_nvalues[1].bv_val = NULL;
 465                 } else {
 466                         mod_tmp->sml_nvalues = NULL;
 467                 }
 468                 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
 469                 mod_tmp->sml_next = mod;
 470                 mod = mod_tmp;
 471         }
 472
 473         /* Remove old rdn value if required */
 474         if ( op->orr_deleteoldrdn ) {
 475                 for ( d_cnt = 0; old_rdn[d_cnt]; d_cnt++ ) {
 476                         AttributeDescription    *desc = NULL;
 477                         Modifications           *mod_tmp;
 478
 479                         rs->sr_err = slap_bv2ad( &old_rdn[d_cnt]->la_attr, &desc, &rs->sr_text );
 480                         if ( rs->sr_err != LDAP_SUCCESS ) {
 481                                 Debug( LDAP_DEBUG_TRACE,
 482                                         "slap_modrdn2modlist: %s: %s (old)\n",
 483                                         rs->sr_text,
 484                                         old_rdn[d_cnt]->la_attr.bv_val,
 485                                         0 );
 486                                 goto done;
 487                         }
 488
 489                         /* ACL check of newly added attrs */
 490                         if ( op->o_bd && !access_allowed( op, e, desc,
 491                                 &old_rdn[d_cnt]->la_value, ACL_WRITE,
 492                                 NULL ) ) {
 493                                 Debug( LDAP_DEBUG_TRACE,
 494                                         "slap_modrdn2modlist: access "
 495                                         "to attr \"%s\" (old) not allowed\n",
 496                                         old_rdn[ d_cnt ]->la_attr.bv_val,
 497                                         0, 0 );
 498                                 rs->sr_text = "access to naming attributes (old) not allowed";
 499                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 500                                 goto done;
 501                         }
 502
 503                         /* Apply modification */
 504                         mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
 505                                 + 4 * sizeof ( struct berval ) );
 506                         mod_tmp->sml_desc = desc;
 507                         mod_tmp->sml_values = ( BerVarray )(mod_tmp+1);
 508                         mod_tmp->sml_values[0] = old_rdn[d_cnt]->la_value;
 509                         mod_tmp->sml_values[1].bv_val = NULL;
 510                         if( desc->ad_type->sat_equality->smr_normalize) {
 511                                 mod_tmp->sml_nvalues = &mod_tmp->sml_values[2];
 512                                 (void) (*desc->ad_type->sat_equality->smr_normalize)(
 513                                         SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
 514                                         desc->ad_type->sat_syntax,
 515                                         desc->ad_type->sat_equality,
 516                                         &mod_tmp->sml_values[0],
 517                                         &mod_tmp->sml_nvalues[0], op->o_tmpmemctx );
 518                                 mod_tmp->sml_nvalues[1].bv_val = NULL;
 519                         } else {
 520                                 mod_tmp->sml_nvalues = NULL;
 521                         }
 522                         mod_tmp->sml_op = LDAP_MOD_DELETE;
 523                         mod_tmp->sml_next = mod;
 524                         mod = mod_tmp;
 525                 }
 526         }
 527
 528 done:
 529
 530         if ( rs->sr_err == LDAP_SUCCESS && !repl_user ) {
 531                 char textbuf[ SLAP_TEXT_BUFLEN ];
 532                 size_t textlen = sizeof textbuf;
 533
 534                 for( modtail = &mod;
 535                         *modtail != NULL;
 536                         modtail = &(*modtail)->sml_next )
 537                 {
 538                         /* empty */
 539                 }
 540
 541                 rs->sr_err = slap_mods_opattrs( op, mod, modtail,
 542                                                 &rs->sr_text, textbuf, textlen, 1 );
 543         }
 544
 545         /* LDAP v2 supporting correct attribute handling. */
 546         if ( rs->sr_err != LDAP_SUCCESS && mod != NULL ) {
 547                 Modifications *tmp;
 548                 for ( ; mod; mod = tmp ) {
 549                         tmp = mod->sml_next;
 550                         ch_free( mod );
 551                 }
 552         }
 553
 554         *pmod = mod;
 555
 556         return rs->sr_err;
 557 }