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 2000-2005 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_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         u_int32_t       locker = 0;
  42         DB_LOCK         lock, plock;
  43
  44         int             num_retries = 0;
  45
  46         Operation* ps_list;
  47         int     rc;
  48         EntryInfo   *suffix_ei;
  49         Entry       *ctxcsn_e;
  50         int         ctxcsn_added = 0;
  51
  52         LDAPControl **preread_ctrl = NULL;
  53         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  54         int num_ctrls = 0;
  55
  56         int     parent_is_glue = 0;
  57         int parent_is_leaf = 0;
  58
  59         struct berval ctxcsn_ndn = BER_BVNULL;
  60
  61         ctrls[num_ctrls] = 0;
  62
  63         Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
  64                 op->o_req_dn.bv_val, 0, 0 );
  65
  66         build_new_dn( &ctxcsn_ndn, &op->o_bd->be_nsuffix[0],
  67                                 (struct berval *)&slap_ldapsync_cn_bv, op->o_tmpmemctx );
  68
  69         if( 0 ) {
  70 retry:  /* transaction retry */
  71                 if( e != NULL ) {
  72                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  73                         e = NULL;
  74                 }
  75                 if( p != NULL ) {
  76                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  77                         p = NULL;
  78                 }
  79                 Debug( LDAP_DEBUG_TRACE,
  80                         "==> " LDAP_XSTRING(bdb_delete) ": retrying...\n",
  81                         0, 0, 0 );
  82                 rs->sr_err = TXN_ABORT( ltid );
  83                 ltid = NULL;
  84                 op->o_private = NULL;
  85                 op->o_do_not_cache = opinfo.boi_acl_cache;
  86                 if( rs->sr_err != 0 ) {
  87                         rs->sr_err = LDAP_OTHER;
  88                         rs->sr_text = "internal error";
  89                         goto return_results;
  90                 }
  91                 parent_is_glue = 0;
  92                 parent_is_leaf = 0;
  93                 ldap_pvt_thread_yield();
  94                 bdb_trans_backoff( ++num_retries );
  95         }
  96
  97         /* begin transaction */
  98         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
  99                 bdb->bi_db_opflags );
 100         rs->sr_text = NULL;
 101         if( rs->sr_err != 0 ) {
 102                 Debug( LDAP_DEBUG_TRACE,
 103                         LDAP_XSTRING(bdb_delete) ": txn_begin failed: "
 104                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 105                 rs->sr_err = LDAP_OTHER;
 106                 rs->sr_text = "internal error";
 107                 goto return_results;
 108         }
 109
 110         locker = TXN_ID ( ltid );
 111
 112         opinfo.boi_bdb = op->o_bd;
 113         opinfo.boi_txn = ltid;
 114         opinfo.boi_locker = locker;
 115         opinfo.boi_err = 0;
 116         opinfo.boi_acl_cache = op->o_do_not_cache;
 117         op->o_private = &opinfo;
 118
 119         if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
 120                 dnParent( &op->o_req_ndn, &pdn );
 121         }
 122
 123         /* get entry */
 124         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 125                 locker, &lock );
 126
 127         switch( rs->sr_err ) {
 128         case 0:
 129         case DB_NOTFOUND:
 130                 break;
 131         case DB_LOCK_DEADLOCK:
 132         case DB_LOCK_NOTGRANTED:
 133                 goto retry;
 134         case LDAP_BUSY:
 135                 rs->sr_text = "ldap server busy";
 136                 goto return_results;
 137         default:
 138                 rs->sr_err = LDAP_OTHER;
 139                 rs->sr_text = "internal error";
 140                 goto return_results;
 141         }
 142
 143         if ( rs->sr_err == 0 ) {
 144                 e = ei->bei_e;
 145                 eip = ei->bei_parent;
 146         } else {
 147                 matched = ei->bei_e;
 148         }
 149
 150         /* FIXME : dn2entry() should return non-glue entry */
 151         if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
 152                 BerVarray deref = NULL;
 153
 154                 Debug( LDAP_DEBUG_ARGS,
 155                         "<=- " LDAP_XSTRING(bdb_delete) ": no such object %s\n",
 156                         op->o_req_dn.bv_val, 0, 0);
 157
 158                 if ( matched != NULL ) {
 159                         rs->sr_matched = ch_strdup( matched->e_dn );
 160                         rs->sr_ref = is_entry_referral( matched )
 161                                 ? get_entry_referrals( op, matched )
 162                                 : NULL;
 163                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
 164                         matched = NULL;
 165
 166                 } else {
 167                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 168                                 syncinfo_t *si;
 169                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 170                                         struct berval tmpbv;
 171                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 172                                         ber_bvarray_add( &deref, &tmpbv );
 173                                 }
 174                         } else {
 175                                 deref = default_referral;
 176                         }
 177                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 178                                         LDAP_SCOPE_DEFAULT );
 179                 }
 180
 181                 rs->sr_err = LDAP_REFERRAL;
 182                 send_ldap_result( op, rs );
 183
 184                 if ( rs->sr_ref != default_referral ) {
 185                         ber_bvarray_free( rs->sr_ref );
 186                 }
 187                 if ( deref != default_referral ) {
 188                         ber_bvarray_free( deref );
 189                 }
 190                 free( (char *)rs->sr_matched );
 191                 rs->sr_ref = NULL;
 192                 rs->sr_matched = NULL;
 193
 194                 rs->sr_err = -1;
 195                 goto done;
 196         }
 197
 198         rc = bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, locker, &plock );
 199         switch( rc ) {
 200         case DB_LOCK_DEADLOCK:
 201         case DB_LOCK_NOTGRANTED:
 202                 goto retry;
 203         case 0:
 204         case DB_NOTFOUND:
 205                 break;
 206         default:
 207                 rs->sr_err = LDAP_OTHER;
 208                 rs->sr_text = "internal error";
 209                 goto return_results;
 210         }
 211         if ( eip ) p = eip->bei_e;
 212
 213         if ( pdn.bv_len != 0 ) {
 214                 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
 215                         Debug( LDAP_DEBUG_TRACE,
 216                                 "<=- " LDAP_XSTRING(bdb_delete) ": parent "
 217                                 "does not exist\n", 0, 0, 0 );
 218                         rs->sr_err = LDAP_OTHER;
 219                         rs->sr_text = "could not locate parent of entry";
 220                         goto return_results;
 221                 }
 222
 223                 /* check parent for "children" acl */
 224                 rs->sr_err = access_allowed( op, p,
 225                         children, NULL, ACL_WRITE, NULL );
 226
 227                 if ( !rs->sr_err  ) {
 228                         switch( opinfo.boi_err ) {
 229                         case DB_LOCK_DEADLOCK:
 230                         case DB_LOCK_NOTGRANTED:
 231                                 goto retry;
 232                         }
 233
 234                         Debug( LDAP_DEBUG_TRACE,
 235                                 "<=- " LDAP_XSTRING(bdb_delete) ": no write "
 236                                 "access to parent\n", 0, 0, 0 );
 237                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 238                         rs->sr_text = "no write access to parent";
 239                         goto return_results;
 240                 }
 241
 242         } else {
 243                 /* no parent, must be root to delete */
 244                 if( ! be_isroot( op ) ) {
 245                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 246                                 || be_shadow_update( op ) ) {
 247                                 p = (Entry *)&slap_entry_root;
 248
 249                                 /* check parent for "children" acl */
 250                                 rs->sr_err = access_allowed( op, p,
 251                                         children, NULL, ACL_WRITE, NULL );
 252
 253                                 p = NULL;
 254
 255                                 if ( !rs->sr_err  ) {
 256                                         switch( opinfo.boi_err ) {
 257                                         case DB_LOCK_DEADLOCK:
 258                                         case DB_LOCK_NOTGRANTED:
 259                                                 goto retry;
 260                                         }
 261
 262                                         Debug( LDAP_DEBUG_TRACE,
 263                                                 "<=- " LDAP_XSTRING(bdb_delete)
 264                                                 ": no access to parent\n",
 265                                                 0, 0, 0 );
 266                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 267                                         rs->sr_text = "no write access to parent";
 268                                         goto return_results;
 269                                 }
 270
 271                         } else {
 272                                 Debug( LDAP_DEBUG_TRACE,
 273                                         "<=- " LDAP_XSTRING(bdb_delete)
 274                                         ": no parent and not root\n", 0, 0, 0 );
 275                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 276                                 goto return_results;
 277                         }
 278                 }
 279         }
 280
 281         if ( get_assert( op ) &&
 282                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 283         {
 284                 rs->sr_err = LDAP_ASSERTION_FAILED;
 285                 goto return_results;
 286         }
 287
 288         rs->sr_err = access_allowed( op, e,
 289                 entry, NULL, ACL_WRITE, NULL );
 290
 291         if ( !rs->sr_err  ) {
 292                 switch( opinfo.boi_err ) {
 293                 case DB_LOCK_DEADLOCK:
 294                 case DB_LOCK_NOTGRANTED:
 295                         goto retry;
 296                 }
 297
 298                 Debug( LDAP_DEBUG_TRACE,
 299                         "<=- " LDAP_XSTRING(bdb_delete) ": no write access "
 300                         "to entry\n", 0, 0, 0 );
 301                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 302                 rs->sr_text = "no write access to entry";
 303                 goto return_results;
 304         }
 305
 306         if ( !manageDSAit && is_entry_referral( e ) ) {
 307                 /* entry is a referral, don't allow delete */
 308                 rs->sr_ref = get_entry_referrals( op, e );
 309
 310                 Debug( LDAP_DEBUG_TRACE,
 311                         LDAP_XSTRING(bdb_delete) ": entry is referral\n",
 312                         0, 0, 0 );
 313
 314                 rs->sr_err = LDAP_REFERRAL;
 315                 rs->sr_matched = e->e_name.bv_val;
 316                 send_ldap_result( op, rs );
 317
 318                 ber_bvarray_free( rs->sr_ref );
 319                 rs->sr_ref = NULL;
 320                 rs->sr_matched = NULL;
 321
 322                 rs->sr_err = 1;
 323                 goto done;
 324         }
 325
 326         /* pre-read */
 327         if( op->o_preread ) {
 328                 if( preread_ctrl == NULL ) {
 329                         preread_ctrl = &ctrls[num_ctrls++];
 330                         ctrls[num_ctrls] = NULL;
 331                 }
 332                 if( slap_read_controls( op, rs, e,
 333                         &slap_pre_read_bv, preread_ctrl ) )
 334                 {
 335                         Debug( LDAP_DEBUG_TRACE,
 336                                 "<=- " LDAP_XSTRING(bdb_delete) ": pre-read "
 337                                 "failed!\n", 0, 0, 0 );
 338                         goto return_results;
 339                 }
 340         }
 341
 342         /* nested transaction */
 343         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 344                 bdb->bi_db_opflags );
 345         rs->sr_text = NULL;
 346         if( rs->sr_err != 0 ) {
 347                 Debug( LDAP_DEBUG_TRACE,
 348                         LDAP_XSTRING(bdb_delete) ": txn_begin(2) failed: "
 349                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 350                 rs->sr_err = LDAP_OTHER;
 351                 rs->sr_text = "internal error";
 352                 goto return_results;
 353         }
 354
 355         /* Can't do it if we have kids */
 356         rs->sr_err = bdb_cache_children( op, lt2, e );
 357         if( rs->sr_err != DB_NOTFOUND ) {
 358                 switch( rs->sr_err ) {
 359                 case DB_LOCK_DEADLOCK:
 360                 case DB_LOCK_NOTGRANTED:
 361                         goto retry;
 362                 case 0:
 363                         Debug(LDAP_DEBUG_ARGS,
 364                                 "<=- " LDAP_XSTRING(bdb_delete)
 365                                 ": non-leaf %s\n",
 366                                 op->o_req_dn.bv_val, 0, 0);
 367                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 368                         rs->sr_text = "subtree delete not supported";
 369                         break;
 370                 default:
 371                         Debug(LDAP_DEBUG_ARGS,
 372                                 "<=- " LDAP_XSTRING(bdb_delete)
 373                                 ": has_children failed: %s (%d)\n",
 374                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 375                         rs->sr_err = LDAP_OTHER;
 376                         rs->sr_text = "internal error";
 377                 }
 378                 goto return_results;
 379         }
 380
 381         /* delete from dn2id */
 382         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 383         if ( rs->sr_err != 0 ) {
 384                 Debug(LDAP_DEBUG_TRACE,
 385                         "<=- " LDAP_XSTRING(bdb_delete) ": dn2id failed: "
 386                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 387                 switch( rs->sr_err ) {
 388                 case DB_LOCK_DEADLOCK:
 389                 case DB_LOCK_NOTGRANTED:
 390                         goto retry;
 391                 }
 392                 rs->sr_text = "DN index delete failed";
 393                 rs->sr_err = LDAP_OTHER;
 394                 goto return_results;
 395         }
 396
 397         /* delete from id2entry */
 398         rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
 399         if ( rs->sr_err != 0 ) {
 400                 Debug(LDAP_DEBUG_TRACE,
 401                         "<=- " LDAP_XSTRING(bdb_delete) ": id2entry failed: "
 402                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 403                 switch( rs->sr_err ) {
 404                 case DB_LOCK_DEADLOCK:
 405                 case DB_LOCK_NOTGRANTED:
 406                         goto retry;
 407                 }
 408                 rs->sr_text = "entry delete failed";
 409                 rs->sr_err = LDAP_OTHER;
 410                 goto return_results;
 411         }
 412
 413         /* delete indices for old attributes */
 414         rs->sr_err = bdb_index_entry_del( op, lt2, e );
 415         if ( rs->sr_err != LDAP_SUCCESS ) {
 416                 Debug( LDAP_DEBUG_TRACE,
 417                         "<=- " LDAP_XSTRING(bdb_delete) ": index failed: "
 418                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 419                 switch( rs->sr_err ) {
 420                 case DB_LOCK_DEADLOCK:
 421                 case DB_LOCK_NOTGRANTED:
 422                         goto retry;
 423                 }
 424                 rs->sr_text = "entry index delete failed";
 425                 rs->sr_err = LDAP_OTHER;
 426                 goto return_results;
 427         }
 428
 429         if ( pdn.bv_len != 0 ) {
 430                 parent_is_glue = is_entry_glue(p);
 431                 rs->sr_err = bdb_cache_children( op, lt2, p );
 432                 if ( rs->sr_err != DB_NOTFOUND ) {
 433                         switch( rs->sr_err ) {
 434                         case DB_LOCK_DEADLOCK:
 435                         case DB_LOCK_NOTGRANTED:
 436                                 goto retry;
 437                         case 0:
 438                                 break;
 439                         default:
 440                                 Debug(LDAP_DEBUG_ARGS,
 441                                         "<=- " LDAP_XSTRING(bdb_delete)
 442                                         ": has_children failed: %s (%d)\n",
 443                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 444                                 rs->sr_err = LDAP_OTHER;
 445                                 rs->sr_text = "internal error";
 446                                 goto return_results;
 447                         }
 448                         parent_is_leaf = 1;
 449                 }
 450                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 451                 p = NULL;
 452         }
 453
 454         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 455                 rs->sr_err = LDAP_OTHER;
 456                 rs->sr_text = "txn_commit(2) failed";
 457                 goto return_results;
 458         }
 459
 460         eid = e->e_id;
 461
 462 #if 0   /* Do we want to reclaim deleted IDs? */
 463         ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
 464         if ( e->e_id == bdb->bi_lastid ) {
 465                 bdb_last_id( op->o_bd, ltid );
 466         }
 467         ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
 468 #endif
 469
 470         if ( !dn_match( &ctxcsn_ndn, &op->o_req_ndn ) &&
 471                  !be_issuffix( op->o_bd, &op->o_req_ndn ) &&
 472                         LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 473                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 474                         &ctxcsn_e, &ctxcsn_added, locker );
 475                 switch ( rc ) {
 476                 case BDB_CSN_ABORT :
 477                         goto return_results;
 478                 case BDB_CSN_RETRY :
 479                         goto retry;
 480                 }
 481         }
 482
 483         if( op->o_noop ) {
 484                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 485                         rs->sr_text = "txn_abort (no-op) failed";
 486                 } else {
 487                         rs->sr_err = LDAP_NO_OPERATION;
 488                         goto return_results;
 489                 }
 490         } else {
 491                 rc = bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
 492                         locker, &lock );
 493                 switch( rc ) {
 494                 case DB_LOCK_DEADLOCK:
 495                 case DB_LOCK_NOTGRANTED:
 496                         goto retry;
 497                 }
 498
 499                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 500                         if ( ctxcsn_added ) {
 501                                 bdb_cache_add( bdb, suffix_ei,
 502                                         ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
 503                         }
 504                 }
 505
 506                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
 507                         Attribute *a;
 508                         a = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN );
 509                         if ( a ) {
 510                                 if( (void *) e->e_attrs != (void *) (e+1)) {
 511                                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryCSN );
 512                                         attr_merge_normalize_one( e, slap_schema.si_ad_entryCSN,
 513                                         &op->o_sync_csn, NULL );
 514                                 } else {
 515                                         a->a_vals[0] = op->o_sync_csn;
 516                                 }
 517                         } else {
 518                                 /* Hm, the entryCSN ought to exist. ??? */
 519                         }
 520                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 521                         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 522                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
 523                                 if ( rc ) {
 524                                         Debug( LDAP_DEBUG_TRACE,
 525                                                 LDAP_XSTRING(bdb_delete)
 526                                                 ": persistent search failed "
 527                                                 "(%d,%d)\n",
 528                                                 rc, rs->sr_err, 0 );
 529                                 }
 530                         }
 531                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 532                 }
 533
 534                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 535         }
 536         ltid = NULL;
 537         op->o_private = NULL;
 538
 539         if( rs->sr_err != 0 ) {
 540                 Debug( LDAP_DEBUG_TRACE,
 541                         LDAP_XSTRING(bdb_delete) ": txn_%s failed: %s (%d)\n",
 542                         op->o_noop ? "abort (no-op)" : "commit",
 543                         db_strerror(rs->sr_err), rs->sr_err );
 544                 rs->sr_err = LDAP_OTHER;
 545                 rs->sr_text = "commit failed";
 546
 547                 goto return_results;
 548         }
 549
 550         Debug( LDAP_DEBUG_TRACE,
 551                 LDAP_XSTRING(bdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
 552                 op->o_noop ? " (no-op)" : "",
 553                 eid, op->o_req_dn.bv_val );
 554         rs->sr_err = LDAP_SUCCESS;
 555         rs->sr_text = NULL;
 556         if( num_ctrls ) rs->sr_ctrls = ctrls;
 557
 558 return_results:
 559         send_ldap_result( op, rs );
 560
 561         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 562                 ldap_pvt_thread_yield();
 563                 TXN_CHECKPOINT( bdb->bi_dbenv,
 564                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 565         }
 566
 567         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 568                 op->o_delete_glue_parent = 1;
 569         }
 570
 571 done:
 572         if ( p )
 573                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 574
 575         /* free entry */
 576         if( e != NULL ) {
 577                 if ( rs->sr_err == LDAP_SUCCESS ) {
 578                         /* Free the EntryInfo and the Entry */
 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                 op->o_private = NULL;
 588         }
 589
 590         slap_sl_free( ctxcsn_ndn.bv_val, op->o_tmpmemctx );
 591
 592         if( preread_ctrl != NULL ) {
 593                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 594                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 595         }
 596         return rs->sr_err;
 597 }