git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/add.c

   1 /* add.c - ldap BerkeleyDB back-end add routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21
  22 #include "back-bdb.h"
  23 #include "external.h"
  24
  25 int
  26 bdb_add(Operation *op, SlapReply *rs )
  27 {
  28         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  29         struct berval   pdn;
  30         Entry           *p = NULL;
  31         EntryInfo       *ei;
  32         char textbuf[SLAP_TEXT_BUFLEN];
  33         size_t textlen = sizeof textbuf;
  34         AttributeDescription *children = slap_schema.si_ad_children;
  35         AttributeDescription *entry = slap_schema.si_ad_entry;
  36         DB_TXN          *ltid = NULL, *lt2;
  37         struct bdb_op_info opinfo;
  38 #ifdef BDB_SUBENTRIES
  39         int subentry;
  40 #endif
  41         u_int32_t       locker = 0;
  42         DB_LOCK         lock;
  43
  44         int             num_retries = 0;
  45
  46         Operation* ps_list;
  47         int             rc;
  48         EntryInfo       *suffix_ei = NULL;
  49         Entry           *ctxcsn_e;
  50         int                     ctxcsn_added = 0;
  51
  52         LDAPControl **postread_ctrl = NULL;
  53         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  54         int num_ctrls = 0;
  55
  56 #ifdef NEW_LOGGING
  57         LDAP_LOG ( OPERATION, ARGS, "==> bdb_add: %s\n",
  58                 op->oq_add.rs_e->e_name.bv_val, 0, 0 );
  59 #else
  60         Debug(LDAP_DEBUG_ARGS, "==> bdb_add: %s\n",
  61                 op->oq_add.rs_e->e_name.bv_val, 0, 0);
  62 #endif
  63
  64         ctrls[num_ctrls] = 0;
  65
  66         /* check entry's schema */
  67         rs->sr_err = entry_schema_check( op->o_bd, op->oq_add.rs_e,
  68                 NULL, &rs->sr_text, textbuf, textlen );
  69         if ( rs->sr_err != LDAP_SUCCESS ) {
  70 #ifdef NEW_LOGGING
  71                 LDAP_LOG ( OPERATION, ERR,
  72                         "bdb_add: entry failed schema check: %s (%d)\n",
  73                         rs->sr_text, rs->sr_err, 0 );
  74 #else
  75                 Debug( LDAP_DEBUG_TRACE,
  76                         "bdb_add: entry failed schema check: %s (%d)\n",
  77                         rs->sr_text, rs->sr_err, 0 );
  78 #endif
  79                 goto return_results;
  80         }
  81
  82 #ifdef BDB_SUBENTRIES
  83         subentry = is_entry_subentry( op->oq_add.rs_e );
  84 #endif
  85
  86         /*
  87          * acquire an ID outside of the operation transaction
  88          * to avoid serializing adds.
  89          */
  90         rs->sr_err = bdb_next_id( op->o_bd, NULL, &op->oq_add.rs_e->e_id );
  91         if( rs->sr_err != 0 ) {
  92 #ifdef NEW_LOGGING
  93                 LDAP_LOG ( OPERATION, ERR,
  94                         "bdb_add: next_id failed (%d)\n", rs->sr_err, 0, 0 );
  95 #else
  96                 Debug( LDAP_DEBUG_TRACE,
  97                         "bdb_add: next_id failed (%d)\n", rs->sr_err, 0, 0 );
  98 #endif
  99                 rs->sr_err = LDAP_OTHER;
 100                 rs->sr_text = "internal error";
 101                 goto return_results;
 102         }
 103
 104         if( 0 ) {
 105 retry:  /* transaction retry */
 106                 if( p ) {
 107                         /* free parent and reader lock */
 108                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 109                         p = NULL;
 110                 }
 111                 rs->sr_err = TXN_ABORT( ltid );
 112                 ltid = NULL;
 113                 op->o_private = NULL;
 114                 op->o_do_not_cache = opinfo.boi_acl_cache;
 115                 if( rs->sr_err != 0 ) {
 116                         rs->sr_err = LDAP_OTHER;
 117                         rs->sr_text = "internal error";
 118                         goto return_results;
 119                 }
 120                 ldap_pvt_thread_yield();
 121                 bdb_trans_backoff( ++num_retries );
 122         }
 123
 124         /* begin transaction */
 125         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 126                 bdb->bi_db_opflags );
 127         rs->sr_text = NULL;
 128         if( rs->sr_err != 0 ) {
 129 #ifdef NEW_LOGGING
 130                 LDAP_LOG ( OPERATION, ERR,
 131                         "bdb_add: txn_begin failed: %s (%d)\n",
 132                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 133 #else
 134                 Debug( LDAP_DEBUG_TRACE,
 135                         "bdb_add: txn_begin failed: %s (%d)\n",
 136                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 137 #endif
 138                 rs->sr_err = LDAP_OTHER;
 139                 rs->sr_text = "internal error";
 140                 goto return_results;
 141         }
 142
 143         locker = TXN_ID ( ltid );
 144
 145         opinfo.boi_bdb = op->o_bd;
 146         opinfo.boi_txn = ltid;
 147         opinfo.boi_locker = locker;
 148         opinfo.boi_err = 0;
 149         opinfo.boi_acl_cache = op->o_do_not_cache;
 150         op->o_private = &opinfo;
 151
 152         /*
 153          * Get the parent dn and see if the corresponding entry exists.
 154          */
 155         if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
 156                 pdn = slap_empty_bv;
 157         } else {
 158                 dnParent( &op->oq_add.rs_e->e_nname, &pdn );
 159         }
 160
 161         /* get entry or parent */
 162         rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
 163                 1, locker, &lock );
 164         switch( rs->sr_err ) {
 165         case 0:
 166                 rs->sr_err = LDAP_ALREADY_EXISTS;
 167                 goto return_results;
 168         case DB_NOTFOUND:
 169                 break;
 170         case DB_LOCK_DEADLOCK:
 171         case DB_LOCK_NOTGRANTED:
 172                 goto retry;
 173         case LDAP_BUSY:
 174                 rs->sr_text = "ldap server busy";
 175                 goto return_results;
 176         default:
 177                 rs->sr_err = LDAP_OTHER;
 178                 rs->sr_text = "internal error";
 179                 goto return_results;
 180         }
 181
 182         p = ei->bei_e;
 183         if ( p ) {
 184                 if ( !bvmatch( &pdn, &p->e_nname ) ) {
 185                         rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
 186                                 op->o_tmpmemctx );
 187                         rs->sr_ref = is_entry_referral( p )
 188                                 ? get_entry_referrals( op, p )
 189                                 : NULL;
 190                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 191                         p = NULL;
 192 #ifdef NEW_LOGGING
 193                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_add: parent does not exist\n",
 194                                 0, 0, 0 );
 195 #else
 196                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent does not exist\n",
 197                                 0, 0, 0 );
 198 #endif
 199
 200                         rs->sr_err = LDAP_REFERRAL;
 201                         send_ldap_result( op, rs );
 202
 203                         ber_bvarray_free( rs->sr_ref );
 204                         op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
 205                         rs->sr_ref = NULL;
 206                         rs->sr_matched = NULL;
 207
 208                         goto done;
 209                 }
 210
 211                 rs->sr_err = access_allowed( op, p,
 212                         children, NULL, ACL_WRITE, NULL );
 213
 214                 if ( ! rs->sr_err ) {
 215                         switch( opinfo.boi_err ) {
 216                         case DB_LOCK_DEADLOCK:
 217                         case DB_LOCK_NOTGRANTED:
 218                                 goto retry;
 219                         }
 220
 221 #ifdef NEW_LOGGING
 222                         LDAP_LOG ( OPERATION, DETAIL1,
 223                                 "bdb_add: no write access to parent\n", 0, 0, 0 );
 224 #else
 225                         Debug( LDAP_DEBUG_TRACE,
 226                                 "bdb_add: no write access to parent\n", 0, 0, 0 );
 227 #endif
 228                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 229                         rs->sr_text = "no write access to parent";
 230                         goto return_results;;
 231                 }
 232
 233 #ifdef BDB_SUBENTRIES
 234                 if ( is_entry_subentry( p ) ) {
 235                         /* parent is a subentry, don't allow add */
 236 #ifdef NEW_LOGGING
 237                         LDAP_LOG ( OPERATION, DETAIL1,
 238                                 "bdb_add: parent is subentry\n", 0, 0, 0 );
 239 #else
 240                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is subentry\n",
 241                                 0, 0, 0 );
 242 #endif
 243                         rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
 244                         rs->sr_text = "parent is a subentry";
 245                         goto return_results;;
 246                 }
 247 #endif
 248 #ifdef BDB_ALIASES
 249                 if ( is_entry_alias( p ) ) {
 250                         /* parent is an alias, don't allow add */
 251 #ifdef NEW_LOGGING
 252                         LDAP_LOG ( OPERATION, DETAIL1,
 253                                 "bdb_add: parent is alias\n", 0, 0, 0 );
 254 #else
 255                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is alias\n",
 256                                 0, 0, 0 );
 257 #endif
 258                         rs->sr_err = LDAP_ALIAS_PROBLEM;
 259                         rs->sr_text = "parent is an alias";
 260                         goto return_results;;
 261                 }
 262 #endif
 263
 264                 if ( is_entry_referral( p ) ) {
 265                         /* parent is a referral, don't allow add */
 266                         rs->sr_matched = p->e_name.bv_val;
 267                         rs->sr_ref = get_entry_referrals( op, p );
 268
 269 #ifdef NEW_LOGGING
 270                         LDAP_LOG ( OPERATION, DETAIL1,
 271                                 "bdb_add: parent is referral\n", 0, 0, 0 );
 272 #else
 273                         Debug( LDAP_DEBUG_TRACE, "bdb_add: parent is referral\n",
 274                                 0, 0, 0 );
 275 #endif
 276
 277                         rs->sr_err = LDAP_REFERRAL;
 278                         send_ldap_result( op, rs );
 279
 280                         ber_bvarray_free( rs->sr_ref );
 281                         bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 282                         rs->sr_ref = NULL;
 283                         rs->sr_matched = NULL;
 284                         p = NULL;
 285                         goto done;
 286                 }
 287
 288 #ifdef BDB_SUBENTRIES
 289                 if ( subentry ) {
 290                         /* FIXME: */
 291                         /* parent must be an administrative point of the required kind */
 292                 }
 293 #endif
 294
 295                 /* free parent and reader lock */
 296                 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, p );
 297                 p = NULL;
 298
 299         } else {
 300                 /*
 301                  * no parent!
 302                  *  if not attempting to add entry at suffix or with parent ""
 303                  */
 304                 if ((( !be_isroot( op ) && !be_shadow_update(op) )
 305                         || pdn.bv_len > 0 ) && !is_entry_glue( op->oq_add.rs_e ))
 306                 {
 307 #ifdef NEW_LOGGING
 308                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_add: %s denied\n",
 309                                 pdn.bv_len == 0 ? "suffix" : "entry at root", 0, 0 );
 310 #else
 311                         Debug( LDAP_DEBUG_TRACE, "bdb_add: %s denied\n",
 312                                 pdn.bv_len == 0 ? "suffix" : "entry at root",
 313                                 0, 0 );
 314 #endif
 315                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 316                         goto return_results;
 317                 }
 318         }
 319
 320         if ( get_assert( op ) &&
 321                 ( test_filter( op, op->oq_add.rs_e, get_assertion( op ))
 322                         != LDAP_COMPARE_TRUE ))
 323         {
 324                 rs->sr_err = LDAP_ASSERTION_FAILED;
 325                 goto return_results;
 326         }
 327
 328         rs->sr_err = access_allowed( op, op->oq_add.rs_e,
 329                 entry, NULL, ACL_WRITE, NULL );
 330
 331         if ( ! rs->sr_err ) {
 332                 switch( opinfo.boi_err ) {
 333                 case DB_LOCK_DEADLOCK:
 334                 case DB_LOCK_NOTGRANTED:
 335                         goto retry;
 336                 }
 337
 338 #ifdef NEW_LOGGING
 339                 LDAP_LOG ( OPERATION, DETAIL1,
 340                         "bdb_add: no write access to entry\n", 0, 0, 0 );
 341 #else
 342                 Debug( LDAP_DEBUG_TRACE, "bdb_add: no write access to entry\n",
 343                         0, 0, 0 );
 344 #endif
 345                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 346                 rs->sr_text = "no write access to entry";
 347                 goto return_results;;
 348         }
 349
 350         /* nested transaction */
 351         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 352                 bdb->bi_db_opflags );
 353         rs->sr_text = NULL;
 354         if( rs->sr_err != 0 ) {
 355 #ifdef NEW_LOGGING
 356                 LDAP_LOG ( OPERATION, ERR,
 357                         "bdb_add: txn_begin(2) failed: %s (%d)\n",
 358                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 359 #else
 360                 Debug( LDAP_DEBUG_TRACE,
 361                         "bdb_add: txn_begin(2) failed: %s (%d)\n",
 362                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 363 #endif
 364                 rs->sr_err = LDAP_OTHER;
 365                 rs->sr_text = "internal error";
 366                 goto return_results;
 367         }
 368
 369         /* dn2id index */
 370         rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->oq_add.rs_e );
 371         if ( rs->sr_err != 0 ) {
 372 #ifdef NEW_LOGGING
 373                 LDAP_LOG ( OPERATION, ERR,
 374                         "bdb_add: dn2id_add failed: %s (%d)\n",
 375                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 376 #else
 377                 Debug( LDAP_DEBUG_TRACE, "bdb_add: dn2id_add failed: %s (%d)\n",
 378                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 379 #endif
 380
 381                 switch( rs->sr_err ) {
 382                 case DB_LOCK_DEADLOCK:
 383                 case DB_LOCK_NOTGRANTED:
 384                         goto retry;
 385                 case DB_KEYEXIST:
 386                         rs->sr_err = LDAP_ALREADY_EXISTS;
 387                         break;
 388                 default:
 389                         rs->sr_err = LDAP_OTHER;
 390                 }
 391                 goto return_results;
 392         }
 393
 394         /* id2entry index */
 395         rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->oq_add.rs_e );
 396         if ( rs->sr_err != 0 ) {
 397 #ifdef NEW_LOGGING
 398                 LDAP_LOG ( OPERATION, ERR, "bdb_add: id2entry_add failed\n", 0, 0, 0 );
 399 #else
 400                 Debug( LDAP_DEBUG_TRACE, "bdb_add: id2entry_add failed\n",
 401                         0, 0, 0 );
 402 #endif
 403                 switch( rs->sr_err ) {
 404                 case DB_LOCK_DEADLOCK:
 405                 case DB_LOCK_NOTGRANTED:
 406                         goto retry;
 407                 default:
 408                         rs->sr_err = LDAP_OTHER;
 409                 }
 410                 rs->sr_text = "entry store failed";
 411                 goto return_results;
 412         }
 413
 414         /* attribute indexes */
 415         rs->sr_err = bdb_index_entry_add( op, lt2, op->oq_add.rs_e );
 416         if ( rs->sr_err != LDAP_SUCCESS ) {
 417 #ifdef NEW_LOGGING
 418                 LDAP_LOG ( OPERATION, ERR,
 419                         "bdb_add: index_entry_add failed\n", 0, 0, 0 );
 420 #else
 421                 Debug( LDAP_DEBUG_TRACE, "bdb_add: index_entry_add failed\n",
 422                         0, 0, 0 );
 423 #endif
 424                 switch( rs->sr_err ) {
 425                 case DB_LOCK_DEADLOCK:
 426                 case DB_LOCK_NOTGRANTED:
 427                         goto retry;
 428                 default:
 429                         rs->sr_err = LDAP_OTHER;
 430                 }
 431                 rs->sr_text = "index generation failed";
 432                 goto return_results;
 433         }
 434         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 435                 rs->sr_err = LDAP_OTHER;
 436                 rs->sr_text = "txn_commit(2) failed";
 437                 goto return_results;
 438         }
 439
 440         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 441                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 442                         &ctxcsn_e, &ctxcsn_added, locker );
 443                 switch ( rc ) {
 444                 case BDB_CSN_ABORT :
 445                         goto return_results;
 446                 case BDB_CSN_RETRY :
 447                         goto retry;
 448                 }
 449         }
 450
 451         /* post-read */
 452         if( op->o_postread ) {
 453                 if( postread_ctrl == NULL ) {
 454                         postread_ctrl = &ctrls[num_ctrls++];
 455                         ctrls[num_ctrls] = NULL;
 456                 }
 457                 if ( slap_read_controls( op, rs, op->oq_add.rs_e,
 458                         &slap_post_read_bv, postread_ctrl ) )
 459                 {
 460 #ifdef NEW_LOGGING
 461                         LDAP_LOG ( OPERATION, DETAIL1,
 462                                 "<=- bdb_add: post-read failed!\n", 0, 0, 0 );
 463 #else
 464                         Debug( LDAP_DEBUG_TRACE,
 465                                 "<=- bdb_add: post-read failed!\n", 0, 0, 0 );
 466 #endif
 467                         goto return_results;
 468                 }
 469         }
 470
 471         if ( op->o_noop ) {
 472                 if (( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
 473                         rs->sr_text = "txn_abort (no-op) failed";
 474                 } else {
 475                         rs->sr_err = LDAP_NO_OPERATION;
 476                         goto return_results;
 477                 }
 478
 479         } else {
 480                 struct berval nrdn;
 481                 Entry *e = entry_dup( op->ora_e );
 482
 483                 if (pdn.bv_len) {
 484                         nrdn.bv_val = e->e_nname.bv_val;
 485                         nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
 486                 } else {
 487                         nrdn = e->e_nname;
 488                 }
 489
 490                 bdb_cache_add( bdb, ei, e, &nrdn, locker );
 491
 492                 if ( suffix_ei == NULL ) {
 493                         suffix_ei = BEI(e);
 494                 }
 495
 496                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 497                         if ( ctxcsn_added ) {
 498                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
 499                                         (struct berval *)&slap_ldapsync_cn_bv, locker );
 500                         }
 501                 }
 502
 503                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
 504                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 505                         assert( BEI(e) );
 506                         LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 507                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_ADD );
 508                                 if ( rc ) {
 509 #ifdef NEW_LOGGING
 510                                         LDAP_LOG ( OPERATION, ERR,
 511                                                 "bdb_add: persistent search failed (%d,%d)\n",
 512                                                 rc, rs->sr_err, 0 );
 513 #else
 514                                         Debug( LDAP_DEBUG_TRACE,
 515                                                 "bdb_add: persistent search failed (%d,%d)\n",
 516                                                 rc, rs->sr_err, 0 );
 517 #endif
 518                                 }
 519                         }
 520                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 521                 }
 522
 523                 if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
 524                         rs->sr_text = "txn_commit failed";
 525                 } else {
 526                         rs->sr_err = LDAP_SUCCESS;
 527                 }
 528         }
 529
 530         ltid = NULL;
 531         op->o_private = NULL;
 532
 533         if ( rs->sr_err != LDAP_SUCCESS ) {
 534 #ifdef NEW_LOGGING
 535                 LDAP_LOG ( OPERATION, ERR, "bdb_add: %s : %s (%d)\n",
 536                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 537 #else
 538                 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
 539                         rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
 540 #endif
 541                 rs->sr_err = LDAP_OTHER;
 542                 goto return_results;
 543         }
 544
 545 #ifdef NEW_LOGGING
 546         LDAP_LOG ( OPERATION, RESULTS,
 547                 "bdb_add: added%s id=%08lx dn=\"%s\"\n",
 548                 op->o_noop ? " (no-op)" : "",
 549                 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
 550 #else
 551         Debug(LDAP_DEBUG_TRACE, "bdb_add: added%s id=%08lx dn=\"%s\"\n",
 552                 op->o_noop ? " (no-op)" : "",
 553                 op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
 554 #endif
 555
 556         rs->sr_text = NULL;
 557         if( num_ctrls ) rs->sr_ctrls = ctrls;
 558
 559 return_results:
 560         send_ldap_result( op, rs );
 561
 562         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 563                 ldap_pvt_thread_yield();
 564                 TXN_CHECKPOINT( bdb->bi_dbenv,
 565                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 566         }
 567
 568 done:
 569         if( ltid != NULL ) {
 570                 TXN_ABORT( ltid );
 571                 op->o_private = NULL;
 572         }
 573
 574         if( postread_ctrl != NULL ) {
 575                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
 576                 slap_sl_free( *postread_ctrl, &op->o_tmpmemctx );
 577         }
 578         return rs->sr_err;
 579 }