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

   1 /* delete.c - bdb backend delete routine */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2000-2013 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 "lutil.h"
  23 #include "back-bdb.h"
  24
  25 int
  26 bdb_delete( Operation *op, SlapReply *rs )
  27 {
  28         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  29         Entry   *matched = NULL;
  30         struct berval   pdn = {0, NULL};
  31         Entry   *e = NULL;
  32         Entry   *p = NULL;
  33         EntryInfo       *ei = NULL, *eip = NULL;
  34         int             manageDSAit = get_manageDSAit( op );
  35         AttributeDescription *children = slap_schema.si_ad_children;
  36         AttributeDescription *entry = slap_schema.si_ad_entry;
  37         DB_TXN          *ltid = NULL, *lt2;
  38         struct bdb_op_info opinfo = {{{ 0 }}};
  39         ID      eid;
  40
  41         DB_LOCK         lock, plock;
  42
  43         int             num_retries = 0;
  44
  45         int     rc;
  46
  47         LDAPControl **preread_ctrl = NULL;
  48         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  49         int num_ctrls = 0;
  50
  51         int     parent_is_glue = 0;
  52         int parent_is_leaf = 0;
  53
  54 #ifdef LDAP_X_TXN
  55         int settle = 0;
  56 #endif
  57
  58         Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
  59                 op->o_req_dn.bv_val, 0, 0 );
  60
  61 #ifdef LDAP_X_TXN
  62         if( op->o_txnSpec ) {
  63                 /* acquire connection lock */
  64                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
  65                 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
  66                         rs->sr_text = "invalid transaction identifier";
  67                         rs->sr_err = LDAP_X_TXN_ID_INVALID;
  68                         goto txnReturn;
  69                 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
  70                         settle=1;
  71                         goto txnReturn;
  72                 }
  73
  74                 if( op->o_conn->c_txn_backend == NULL ) {
  75                         op->o_conn->c_txn_backend = op->o_bd;
  76
  77                 } else if( op->o_conn->c_txn_backend != op->o_bd ) {
  78                         rs->sr_text = "transaction cannot span multiple database contexts";
  79                         rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
  80                         goto txnReturn;
  81                 }
  82
  83                 /* insert operation into transaction */
  84
  85                 rs->sr_text = "transaction specified";
  86                 rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;
  87
  88 txnReturn:
  89                 /* release connection lock */
  90                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
  91
  92                 if( !settle ) {
  93                         send_ldap_result( op, rs );
  94                         return rs->sr_err;
  95                 }
  96         }
  97 #endif
  98
  99         ctrls[num_ctrls] = 0;
 100
 101         /* allocate CSN */
 102         if ( BER_BVISNULL( &op->o_csn ) ) {
 103                 struct berval csn;
 104                 char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
 105
 106                 csn.bv_val = csnbuf;
 107                 csn.bv_len = sizeof(csnbuf);
 108                 slap_get_csn( op, &csn, 1 );
 109         }
 110
 111         if( 0 ) {
 112 retry:  /* transaction retry */
 113                 if( e != NULL ) {
 114                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 115                         e = NULL;
 116                 }
 117                 if( p != NULL ) {
 118                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 119                         p = NULL;
 120                 }
 121                 Debug( LDAP_DEBUG_TRACE,
 122                         "==> " LDAP_XSTRING(bdb_delete) ": retrying...\n",
 123                         0, 0, 0 );
 124                 rs->sr_err = TXN_ABORT( ltid );
 125                 ltid = NULL;
 126                 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 127                 opinfo.boi_oe.oe_key = NULL;
 128                 op->o_do_not_cache = opinfo.boi_acl_cache;
 129                 if( rs->sr_err != 0 ) {
 130                         rs->sr_err = LDAP_OTHER;
 131                         rs->sr_text = "internal error";
 132                         goto return_results;
 133                 }
 134                 if ( op->o_abandon ) {
 135                         rs->sr_err = SLAPD_ABANDON;
 136                         goto return_results;
 137                 }
 138                 parent_is_glue = 0;
 139                 parent_is_leaf = 0;
 140                 bdb_trans_backoff( ++num_retries );
 141         }
 142
 143         /* begin transaction */
 144         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 145                 bdb->bi_db_opflags );
 146         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_delete) ": txn1 id: %x\n",
 147                 ltid->id(ltid), 0, 0 );
 148         rs->sr_text = NULL;
 149         if( rs->sr_err != 0 ) {
 150                 Debug( LDAP_DEBUG_TRACE,
 151                         LDAP_XSTRING(bdb_delete) ": txn_begin failed: "
 152                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 153                 rs->sr_err = LDAP_OTHER;
 154                 rs->sr_text = "internal error";
 155                 goto return_results;
 156         }
 157
 158         opinfo.boi_oe.oe_key = bdb;
 159         opinfo.boi_txn = ltid;
 160         opinfo.boi_err = 0;
 161         opinfo.boi_acl_cache = op->o_do_not_cache;
 162         LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );
 163
 164         if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
 165                 dnParent( &op->o_req_ndn, &pdn );
 166         }
 167
 168         /* get entry */
 169         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 170                 &lock );
 171
 172         switch( rs->sr_err ) {
 173         case 0:
 174         case DB_NOTFOUND:
 175                 break;
 176         case DB_LOCK_DEADLOCK:
 177         case DB_LOCK_NOTGRANTED:
 178                 goto retry;
 179         case LDAP_BUSY:
 180                 rs->sr_text = "ldap server busy";
 181                 goto return_results;
 182         default:
 183                 rs->sr_err = LDAP_OTHER;
 184                 rs->sr_text = "internal error";
 185                 goto return_results;
 186         }
 187
 188         if ( rs->sr_err == 0 ) {
 189                 e = ei->bei_e;
 190                 eip = ei->bei_parent;
 191         } else {
 192                 matched = ei->bei_e;
 193         }
 194
 195         /* FIXME : dn2entry() should return non-glue entry */
 196         if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
 197                 Debug( LDAP_DEBUG_ARGS,
 198                         "<=- " LDAP_XSTRING(bdb_delete) ": no such object %s\n",
 199                         op->o_req_dn.bv_val, 0, 0);
 200
 201                 if ( matched != NULL ) {
 202                         rs->sr_matched = ch_strdup( matched->e_dn );
 203                         rs->sr_ref = is_entry_referral( matched )
 204                                 ? get_entry_referrals( op, matched )
 205                                 : NULL;
 206                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
 207                         matched = NULL;
 208
 209                 } else {
 210                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 211                                         &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 212                 }
 213
 214                 rs->sr_err = LDAP_REFERRAL;
 215                 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 216                 goto return_results;
 217         }
 218
 219         rc = bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, &plock );
 220         switch( rc ) {
 221         case DB_LOCK_DEADLOCK:
 222         case DB_LOCK_NOTGRANTED:
 223                 goto retry;
 224         case 0:
 225         case DB_NOTFOUND:
 226                 break;
 227         default:
 228                 rs->sr_err = LDAP_OTHER;
 229                 rs->sr_text = "internal error";
 230                 goto return_results;
 231         }
 232         if ( eip ) p = eip->bei_e;
 233
 234         if ( pdn.bv_len != 0 ) {
 235                 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
 236                         Debug( LDAP_DEBUG_TRACE,
 237                                 "<=- " LDAP_XSTRING(bdb_delete) ": parent "
 238                                 "does not exist\n", 0, 0, 0 );
 239                         rs->sr_err = LDAP_OTHER;
 240                         rs->sr_text = "could not locate parent of entry";
 241                         goto return_results;
 242                 }
 243
 244                 /* check parent for "children" acl */
 245                 rs->sr_err = access_allowed( op, p,
 246                         children, NULL, ACL_WDEL, NULL );
 247
 248                 if ( !rs->sr_err  ) {
 249                         switch( opinfo.boi_err ) {
 250                         case DB_LOCK_DEADLOCK:
 251                         case DB_LOCK_NOTGRANTED:
 252                                 goto retry;
 253                         }
 254
 255                         Debug( LDAP_DEBUG_TRACE,
 256                                 "<=- " LDAP_XSTRING(bdb_delete) ": no write "
 257                                 "access to parent\n", 0, 0, 0 );
 258                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 259                         rs->sr_text = "no write access to parent";
 260                         goto return_results;
 261                 }
 262
 263         } else {
 264                 /* no parent, must be root to delete */
 265                 if( ! be_isroot( op ) ) {
 266                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 267                                 || be_shadow_update( op ) ) {
 268                                 p = (Entry *)&slap_entry_root;
 269
 270                                 /* check parent for "children" acl */
 271                                 rs->sr_err = access_allowed( op, p,
 272                                         children, NULL, ACL_WDEL, NULL );
 273
 274                                 p = NULL;
 275
 276                                 if ( !rs->sr_err  ) {
 277                                         switch( opinfo.boi_err ) {
 278                                         case DB_LOCK_DEADLOCK:
 279                                         case DB_LOCK_NOTGRANTED:
 280                                                 goto retry;
 281                                         }
 282
 283                                         Debug( LDAP_DEBUG_TRACE,
 284                                                 "<=- " LDAP_XSTRING(bdb_delete)
 285                                                 ": no access to parent\n",
 286                                                 0, 0, 0 );
 287                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 288                                         rs->sr_text = "no write access to parent";
 289                                         goto return_results;
 290                                 }
 291
 292                         } else {
 293                                 Debug( LDAP_DEBUG_TRACE,
 294                                         "<=- " LDAP_XSTRING(bdb_delete)
 295                                         ": no parent and not root\n", 0, 0, 0 );
 296                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 297                                 goto return_results;
 298                         }
 299                 }
 300         }
 301
 302         if ( get_assert( op ) &&
 303                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 304         {
 305                 rs->sr_err = LDAP_ASSERTION_FAILED;
 306                 goto return_results;
 307         }
 308
 309         rs->sr_err = access_allowed( op, e,
 310                 entry, NULL, ACL_WDEL, NULL );
 311
 312         if ( !rs->sr_err  ) {
 313                 switch( opinfo.boi_err ) {
 314                 case DB_LOCK_DEADLOCK:
 315                 case DB_LOCK_NOTGRANTED:
 316                         goto retry;
 317                 }
 318
 319                 Debug( LDAP_DEBUG_TRACE,
 320                         "<=- " LDAP_XSTRING(bdb_delete) ": no write access "
 321                         "to entry\n", 0, 0, 0 );
 322                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 323                 rs->sr_text = "no write access to entry";
 324                 goto return_results;
 325         }
 326
 327         if ( !manageDSAit && is_entry_referral( e ) ) {
 328                 /* entry is a referral, don't allow delete */
 329                 rs->sr_ref = get_entry_referrals( op, e );
 330
 331                 Debug( LDAP_DEBUG_TRACE,
 332                         LDAP_XSTRING(bdb_delete) ": entry is referral\n",
 333                         0, 0, 0 );
 334
 335                 rs->sr_err = LDAP_REFERRAL;
 336                 rs->sr_matched = ch_strdup( e->e_name.bv_val );
 337                 rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
 338                 goto return_results;
 339         }
 340
 341         /* pre-read */
 342         if( op->o_preread ) {
 343                 if( preread_ctrl == NULL ) {
 344                         preread_ctrl = &ctrls[num_ctrls++];
 345                         ctrls[num_ctrls] = NULL;
 346                 }
 347                 if( slap_read_controls( op, rs, e,
 348                         &slap_pre_read_bv, preread_ctrl ) )
 349                 {
 350                         Debug( LDAP_DEBUG_TRACE,
 351                                 "<=- " LDAP_XSTRING(bdb_delete) ": pre-read "
 352                                 "failed!\n", 0, 0, 0 );
 353                         if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
 354                                 /* FIXME: is it correct to abort
 355                                  * operation if control fails? */
 356                                 goto return_results;
 357                         }
 358                 }
 359         }
 360
 361         /* nested transaction */
 362         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 363                 bdb->bi_db_opflags );
 364         rs->sr_text = NULL;
 365         if( rs->sr_err != 0 ) {
 366                 Debug( LDAP_DEBUG_TRACE,
 367                         LDAP_XSTRING(bdb_delete) ": txn_begin(2) failed: "
 368                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 369                 rs->sr_err = LDAP_OTHER;
 370                 rs->sr_text = "internal error";
 371                 goto return_results;
 372         }
 373         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_delete) ": txn2 id: %x\n",
 374                 lt2->id(lt2), 0, 0 );
 375
 376         BDB_LOG_PRINTF( bdb->bi_dbenv, lt2, "slapd Starting delete %s(%d)",
 377                 e->e_nname.bv_val, e->e_id );
 378
 379         /* Can't do it if we have kids */
 380         rs->sr_err = bdb_cache_children( op, lt2, e );
 381         if( rs->sr_err != DB_NOTFOUND ) {
 382                 switch( rs->sr_err ) {
 383                 case DB_LOCK_DEADLOCK:
 384                 case DB_LOCK_NOTGRANTED:
 385                         goto retry;
 386                 case 0:
 387                         Debug(LDAP_DEBUG_ARGS,
 388                                 "<=- " LDAP_XSTRING(bdb_delete)
 389                                 ": non-leaf %s\n",
 390                                 op->o_req_dn.bv_val, 0, 0);
 391                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 392                         rs->sr_text = "subordinate objects must be deleted first";
 393                         break;
 394                 default:
 395                         Debug(LDAP_DEBUG_ARGS,
 396                                 "<=- " LDAP_XSTRING(bdb_delete)
 397                                 ": has_children failed: %s (%d)\n",
 398                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 399                         rs->sr_err = LDAP_OTHER;
 400                         rs->sr_text = "internal error";
 401                 }
 402                 goto return_results;
 403         }
 404
 405         /* delete from dn2id */
 406         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 407         if ( rs->sr_err != 0 ) {
 408                 Debug(LDAP_DEBUG_TRACE,
 409                         "<=- " LDAP_XSTRING(bdb_delete) ": dn2id failed: "
 410                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 411                 switch( rs->sr_err ) {
 412                 case DB_LOCK_DEADLOCK:
 413                 case DB_LOCK_NOTGRANTED:
 414                         goto retry;
 415                 }
 416                 rs->sr_text = "DN index delete failed";
 417                 rs->sr_err = LDAP_OTHER;
 418                 goto return_results;
 419         }
 420
 421         /* delete indices for old attributes */
 422         rs->sr_err = bdb_index_entry_del( op, lt2, e );
 423         if ( rs->sr_err != LDAP_SUCCESS ) {
 424                 Debug(LDAP_DEBUG_TRACE,
 425                         "<=- " LDAP_XSTRING(bdb_delete) ": index failed: "
 426                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 427                 switch( rs->sr_err ) {
 428                 case DB_LOCK_DEADLOCK:
 429                 case DB_LOCK_NOTGRANTED:
 430                         goto retry;
 431                 }
 432                 rs->sr_text = "entry index delete failed";
 433                 rs->sr_err = LDAP_OTHER;
 434                 goto return_results;
 435         }
 436
 437         /* fixup delete CSN */
 438         if ( !SLAP_SHADOW( op->o_bd )) {
 439                 struct berval vals[2];
 440
 441                 assert( !BER_BVISNULL( &op->o_csn ) );
 442                 vals[0] = op->o_csn;
 443                 BER_BVZERO( &vals[1] );
 444                 rs->sr_err = bdb_index_values( op, lt2, slap_schema.si_ad_entryCSN,
 445                         vals, 0, SLAP_INDEX_ADD_OP );
 446         if ( rs->sr_err != LDAP_SUCCESS ) {
 447                         switch( rs->sr_err ) {
 448                         case DB_LOCK_DEADLOCK:
 449                         case DB_LOCK_NOTGRANTED:
 450                                 goto retry;
 451                         }
 452                         rs->sr_text = "entryCSN index update failed";
 453                         rs->sr_err = LDAP_OTHER;
 454                         goto return_results;
 455                 }
 456         }
 457
 458         /* delete from id2entry */
 459         rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
 460         if ( rs->sr_err != 0 ) {
 461                 Debug( LDAP_DEBUG_TRACE,
 462                         "<=- " LDAP_XSTRING(bdb_delete) ": id2entry failed: "
 463                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 464                 switch( rs->sr_err ) {
 465                 case DB_LOCK_DEADLOCK:
 466                 case DB_LOCK_NOTGRANTED:
 467                         goto retry;
 468                 }
 469                 rs->sr_text = "entry delete failed";
 470                 rs->sr_err = LDAP_OTHER;
 471                 goto return_results;
 472         }
 473
 474         if ( pdn.bv_len != 0 ) {
 475                 parent_is_glue = is_entry_glue(p);
 476                 rs->sr_err = bdb_cache_children( op, lt2, p );
 477                 if ( rs->sr_err != DB_NOTFOUND ) {
 478                         switch( rs->sr_err ) {
 479                         case DB_LOCK_DEADLOCK:
 480                         case DB_LOCK_NOTGRANTED:
 481                                 goto retry;
 482                         case 0:
 483                                 break;
 484                         default:
 485                                 Debug(LDAP_DEBUG_ARGS,
 486                                         "<=- " LDAP_XSTRING(bdb_delete)
 487                                         ": has_children failed: %s (%d)\n",
 488                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 489                                 rs->sr_err = LDAP_OTHER;
 490                                 rs->sr_text = "internal error";
 491                                 goto return_results;
 492                         }
 493                         parent_is_leaf = 1;
 494                 }
 495                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 496                 p = NULL;
 497         }
 498
 499         BDB_LOG_PRINTF( bdb->bi_dbenv, lt2, "slapd Commit1 delete %s(%d)",
 500                 e->e_nname.bv_val, e->e_id );
 501
 502         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 503                 rs->sr_err = LDAP_OTHER;
 504                 rs->sr_text = "txn_commit(2) failed";
 505                 goto return_results;
 506         }
 507
 508         eid = e->e_id;
 509
 510 #if 0   /* Do we want to reclaim deleted IDs? */
 511         ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
 512         if ( e->e_id == bdb->bi_lastid ) {
 513                 bdb_last_id( op->o_bd, ltid );
 514         }
 515         ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
 516 #endif
 517
 518         if( op->o_noop ) {
 519                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 520                         rs->sr_text = "txn_abort (no-op) failed";
 521                 } else {
 522                         rs->sr_err = LDAP_X_NO_OPERATION;
 523                         ltid = NULL;
 524                         goto return_results;
 525                 }
 526         } else {
 527
 528                 BDB_LOG_PRINTF( bdb->bi_dbenv, ltid, "slapd Cache delete %s(%d)",
 529                         e->e_nname.bv_val, e->e_id );
 530
 531                 rc = bdb_cache_delete( bdb, e, ltid, &lock );
 532                 switch( rc ) {
 533                 case DB_LOCK_DEADLOCK:
 534                 case DB_LOCK_NOTGRANTED:
 535                         goto retry;
 536                 }
 537
 538                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 539         }
 540         ltid = NULL;
 541         LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 542         opinfo.boi_oe.oe_key = NULL;
 543
 544         BDB_LOG_PRINTF( bdb->bi_dbenv, NULL, "slapd Committed delete %s(%d)",
 545                 e->e_nname.bv_val, e->e_id );
 546
 547         if( rs->sr_err != 0 ) {
 548                 Debug( LDAP_DEBUG_TRACE,
 549                         LDAP_XSTRING(bdb_delete) ": txn_%s failed: %s (%d)\n",
 550                         op->o_noop ? "abort (no-op)" : "commit",
 551                         db_strerror(rs->sr_err), rs->sr_err );
 552                 rs->sr_err = LDAP_OTHER;
 553                 rs->sr_text = "commit failed";
 554
 555                 goto return_results;
 556         }
 557
 558         Debug( LDAP_DEBUG_TRACE,
 559                 LDAP_XSTRING(bdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
 560                 op->o_noop ? " (no-op)" : "",
 561                 eid, op->o_req_dn.bv_val );
 562         rs->sr_err = LDAP_SUCCESS;
 563         rs->sr_text = NULL;
 564         if( num_ctrls ) rs->sr_ctrls = ctrls;
 565
 566 return_results:
 567         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 568                 op->o_delete_glue_parent = 1;
 569         }
 570
 571         if ( p )
 572                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 573
 574         /* free entry */
 575         if( e != NULL ) {
 576                 if ( rs->sr_err == LDAP_SUCCESS ) {
 577                         /* Free the EntryInfo and the Entry */
 578                         bdb_cache_entryinfo_lock( BEI(e) );
 579                         bdb_cache_delete_cleanup( &bdb->bi_cache, BEI(e) );
 580                 } else {
 581                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 582                 }
 583         }
 584
 585         if( ltid != NULL ) {
 586                 TXN_ABORT( ltid );
 587         }
 588         if ( opinfo.boi_oe.oe_key ) {
 589                 LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
 590         }
 591
 592         send_ldap_result( op, rs );
 593         slap_graduate_commit_csn( op );
 594
 595         if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
 596                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 597                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 598         }
 599
 600         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
 601                 TXN_CHECKPOINT( bdb->bi_dbenv,
 602                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 603         }
 604         return rs->sr_err;
 605 }