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 2000-2004 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_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;
  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, "==> 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, "==> bdb_delete: retrying...\n",
  80                         0, 0, 0 );
  81                 rs->sr_err = TXN_ABORT( ltid );
  82                 ltid = NULL;
  83                 op->o_private = NULL;
  84                 op->o_do_not_cache = opinfo.boi_acl_cache;
  85                 if( rs->sr_err != 0 ) {
  86                         rs->sr_err = LDAP_OTHER;
  87                         rs->sr_text = "internal error";
  88                         goto return_results;
  89                 }
  90                 parent_is_glue = 0;
  91                 parent_is_leaf = 0;
  92                 ldap_pvt_thread_yield();
  93                 bdb_trans_backoff( ++num_retries );
  94         }
  95
  96         /* begin transaction */
  97         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
  98                 bdb->bi_db_opflags );
  99         rs->sr_text = NULL;
 100         if( rs->sr_err != 0 ) {
 101                 Debug( LDAP_DEBUG_TRACE,
 102                         "bdb_delete: txn_begin failed: %s (%d)\n",
 103                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 104                 rs->sr_err = LDAP_OTHER;
 105                 rs->sr_text = "internal error";
 106                 goto return_results;
 107         }
 108
 109         locker = TXN_ID ( ltid );
 110
 111         opinfo.boi_bdb = op->o_bd;
 112         opinfo.boi_txn = ltid;
 113         opinfo.boi_locker = locker;
 114         opinfo.boi_err = 0;
 115         opinfo.boi_acl_cache = op->o_do_not_cache;
 116         op->o_private = &opinfo;
 117
 118         if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
 119                 dnParent( &op->o_req_ndn, &pdn );
 120         }
 121
 122         /* get entry */
 123         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 124                 locker, &lock );
 125
 126         switch( rs->sr_err ) {
 127         case 0:
 128         case DB_NOTFOUND:
 129                 break;
 130         case DB_LOCK_DEADLOCK:
 131         case DB_LOCK_NOTGRANTED:
 132                 goto retry;
 133         case LDAP_BUSY:
 134                 rs->sr_text = "ldap server busy";
 135                 goto return_results;
 136         default:
 137                 rs->sr_err = LDAP_OTHER;
 138                 rs->sr_text = "internal error";
 139                 goto return_results;
 140         }
 141
 142         if ( rs->sr_err == 0 ) {
 143                 e = ei->bei_e;
 144                 eip = ei->bei_parent;
 145         } else {
 146                 matched = ei->bei_e;
 147         }
 148
 149         /* FIXME : dn2entry() should return non-glue entry */
 150         if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
 151                 BerVarray deref = NULL;
 152
 153                 Debug( LDAP_DEBUG_ARGS,
 154                         "<=- bdb_delete: no such object %s\n",
 155                         op->o_req_dn.bv_val, 0, 0);
 156
 157                 if ( matched != NULL ) {
 158                         rs->sr_matched = ch_strdup( matched->e_dn );
 159                         rs->sr_ref = is_entry_referral( matched )
 160                                 ? get_entry_referrals( op, matched )
 161                                 : NULL;
 162                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
 163                         matched = NULL;
 164
 165                 } else {
 166                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 167                                 syncinfo_t *si;
 168                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 169                                         struct berval tmpbv;
 170                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 171                                         ber_bvarray_add( &deref, &tmpbv );
 172                                 }
 173                         } else {
 174                                 deref = default_referral;
 175                         }
 176                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 177                                         LDAP_SCOPE_DEFAULT );
 178                 }
 179
 180                 rs->sr_err = LDAP_REFERRAL;
 181                 send_ldap_result( op, rs );
 182
 183                 if ( rs->sr_ref != default_referral ) {
 184                         ber_bvarray_free( rs->sr_ref );
 185                 }
 186                 if ( deref != default_referral ) {
 187                         ber_bvarray_free( deref );
 188                 }
 189                 free( (char *)rs->sr_matched );
 190                 rs->sr_ref = NULL;
 191                 rs->sr_matched = NULL;
 192
 193                 rs->sr_err = -1;
 194                 goto done;
 195         }
 196
 197         rc = bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, locker, &plock );
 198         switch( rc ) {
 199         case DB_LOCK_DEADLOCK:
 200         case DB_LOCK_NOTGRANTED:
 201                 goto retry;
 202         case 0:
 203         case DB_NOTFOUND:
 204                 break;
 205         default:
 206                 rs->sr_err = LDAP_OTHER;
 207                 rs->sr_text = "internal error";
 208                 goto return_results;
 209         }
 210         if ( eip ) p = eip->bei_e;
 211
 212         if ( pdn.bv_len != 0 ) {
 213                 if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
 214                         Debug( LDAP_DEBUG_TRACE,
 215                                 "<=- bdb_delete: parent does not exist\n",
 216                                 0, 0, 0);
 217                         rs->sr_err = LDAP_OTHER;
 218                         rs->sr_text = "could not locate parent of entry";
 219                         goto return_results;
 220                 }
 221
 222                 /* check parent for "children" acl */
 223                 rs->sr_err = access_allowed( op, p,
 224                         children, NULL, ACL_WRITE, NULL );
 225
 226                 if ( !rs->sr_err  ) {
 227                         switch( opinfo.boi_err ) {
 228                         case DB_LOCK_DEADLOCK:
 229                         case DB_LOCK_NOTGRANTED:
 230                                 goto retry;
 231                         }
 232
 233                         Debug( LDAP_DEBUG_TRACE,
 234                                 "<=- bdb_delete: no write access to parent\n",
 235                                 0, 0, 0 );
 236                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 237                         rs->sr_text = "no write access to parent";
 238                         goto return_results;
 239                 }
 240
 241         } else {
 242                 /* no parent, must be root to delete */
 243                 if( ! be_isroot( op ) ) {
 244                         if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
 245                                 || be_shadow_update( op ) ) {
 246                                 p = (Entry *)&slap_entry_root;
 247
 248                                 /* check parent for "children" acl */
 249                                 rs->sr_err = access_allowed( op, p,
 250                                         children, NULL, ACL_WRITE, NULL );
 251
 252                                 p = NULL;
 253
 254                                 if ( !rs->sr_err  ) {
 255                                         switch( opinfo.boi_err ) {
 256                                         case DB_LOCK_DEADLOCK:
 257                                         case DB_LOCK_NOTGRANTED:
 258                                                 goto retry;
 259                                         }
 260
 261                                         Debug( LDAP_DEBUG_TRACE,
 262                                                 "<=- bdb_delete: no access "
 263                                                 "to parent\n", 0, 0, 0 );
 264                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 265                                         rs->sr_text = "no write access to parent";
 266                                         goto return_results;
 267                                 }
 268
 269                         } else {
 270                                 Debug( LDAP_DEBUG_TRACE,
 271                                         "<=- bdb_delete: no parent "
 272                                         "and not root\n", 0, 0, 0);
 273                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 274                                 goto return_results;
 275                         }
 276                 }
 277         }
 278
 279         if ( get_assert( op ) &&
 280                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 281         {
 282                 rs->sr_err = LDAP_ASSERTION_FAILED;
 283                 goto return_results;
 284         }
 285
 286         rs->sr_err = access_allowed( op, e,
 287                 entry, NULL, ACL_WRITE, NULL );
 288
 289         if ( !rs->sr_err  ) {
 290                 switch( opinfo.boi_err ) {
 291                 case DB_LOCK_DEADLOCK:
 292                 case DB_LOCK_NOTGRANTED:
 293                         goto retry;
 294                 }
 295
 296                 Debug( LDAP_DEBUG_TRACE,
 297                         "<=- bdb_delete: no write access to entry\n",
 298                         0, 0, 0 );
 299                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 300                 rs->sr_text = "no write access to entry";
 301                 goto return_results;
 302         }
 303
 304         if ( !manageDSAit && is_entry_referral( e ) ) {
 305                 /* entry is a referral, don't allow delete */
 306                 rs->sr_ref = get_entry_referrals( op, e );
 307
 308                 Debug( LDAP_DEBUG_TRACE,
 309                         "bdb_delete: entry is referral\n", 0, 0, 0 );
 310
 311                 rs->sr_err = LDAP_REFERRAL;
 312                 rs->sr_matched = e->e_name.bv_val;
 313                 send_ldap_result( op, rs );
 314
 315                 ber_bvarray_free( rs->sr_ref );
 316                 rs->sr_ref = NULL;
 317                 rs->sr_matched = NULL;
 318
 319                 rs->sr_err = 1;
 320                 goto done;
 321         }
 322
 323         /* pre-read */
 324         if( op->o_preread ) {
 325                 if( preread_ctrl == NULL ) {
 326                         preread_ctrl = &ctrls[num_ctrls++];
 327                         ctrls[num_ctrls] = NULL;
 328                 }
 329                 if( slap_read_controls( op, rs, e,
 330                         &slap_pre_read_bv, preread_ctrl ) )
 331                 {
 332                         Debug( LDAP_DEBUG_TRACE,
 333                                 "<=- bdb_delete: pre-read failed!\n", 0, 0, 0 );
 334                         goto return_results;
 335                 }
 336         }
 337
 338         /* nested transaction */
 339         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 340                 bdb->bi_db_opflags );
 341         rs->sr_text = NULL;
 342         if( rs->sr_err != 0 ) {
 343                 Debug( LDAP_DEBUG_TRACE,
 344                         "bdb_delete: txn_begin(2) failed: %s (%d)\n",
 345                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 346                 rs->sr_err = LDAP_OTHER;
 347                 rs->sr_text = "internal error";
 348                 goto return_results;
 349         }
 350
 351         /* Can't do it if we have kids */
 352         rs->sr_err = bdb_cache_children( op, lt2, e );
 353         if( rs->sr_err != DB_NOTFOUND ) {
 354                 switch( rs->sr_err ) {
 355                 case DB_LOCK_DEADLOCK:
 356                 case DB_LOCK_NOTGRANTED:
 357                         goto retry;
 358                 case 0:
 359                         Debug(LDAP_DEBUG_ARGS,
 360                                 "<=- bdb_delete: non-leaf %s\n",
 361                                 op->o_req_dn.bv_val, 0, 0);
 362                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 363                         rs->sr_text = "subtree delete not supported";
 364                         break;
 365                 default:
 366                         Debug(LDAP_DEBUG_ARGS,
 367                                 "<=- bdb_delete: has_children failed: %s (%d)\n",
 368                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 369                         rs->sr_err = LDAP_OTHER;
 370                         rs->sr_text = "internal error";
 371                 }
 372                 goto return_results;
 373         }
 374
 375         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 376         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 377                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_PREDELETE );
 378                 if ( rc == LDAP_BUSY && op->o_ps_send_wait ) {
 379                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 380                         goto retry;
 381                 } else if ( rc ) {
 382                         Debug( LDAP_DEBUG_TRACE,
 383                                 "bdb_delete: persistent search failed (%d,%d)\n",
 384                                 rc, rs->sr_err, 0 );
 385                 }
 386         }
 387         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 388
 389         /* delete from dn2id */
 390         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 391         if ( rs->sr_err != 0 ) {
 392                 Debug(LDAP_DEBUG_TRACE,
 393                         "<=- bdb_delete: dn2id failed: %s (%d)\n",
 394                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 395                 switch( rs->sr_err ) {
 396                 case DB_LOCK_DEADLOCK:
 397                 case DB_LOCK_NOTGRANTED:
 398                         goto retry;
 399                 }
 400                 rs->sr_text = "DN index delete failed";
 401                 rs->sr_err = LDAP_OTHER;
 402                 goto return_results;
 403         }
 404
 405         /* delete from id2entry */
 406         rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
 407         if ( rs->sr_err != 0 ) {
 408                 Debug(LDAP_DEBUG_TRACE,
 409                         "<=- bdb_delete: id2entry failed: %s (%d)\n",
 410                         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 = "entry 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                         "<=- bdb_delete: index failed: %s (%d)\n",
 426                         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         if ( pdn.bv_len != 0 ) {
 438                 parent_is_glue = is_entry_glue(p);
 439                 rs->sr_err = bdb_cache_children( op, lt2, p );
 440                 if ( rs->sr_err != DB_NOTFOUND ) {
 441                         switch( rs->sr_err ) {
 442                         case DB_LOCK_DEADLOCK:
 443                         case DB_LOCK_NOTGRANTED:
 444                                 goto retry;
 445                         case 0:
 446                                 break;
 447                         default:
 448                                 Debug(LDAP_DEBUG_ARGS,
 449                                         "<=- bdb_delete: has_children failed: %s (%d)\n",
 450                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 451                                 rs->sr_err = LDAP_OTHER;
 452                                 rs->sr_text = "internal error";
 453                                 goto return_results;
 454                         }
 455                         parent_is_leaf = 1;
 456                 }
 457                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 458                 p = NULL;
 459         }
 460
 461         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 462                 rs->sr_err = LDAP_OTHER;
 463                 rs->sr_text = "txn_commit(2) failed";
 464                 goto return_results;
 465         }
 466
 467         eid = e->e_id;
 468
 469 #if 0   /* Do we want to reclaim deleted IDs? */
 470         ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
 471         if ( e->e_id == bdb->bi_lastid ) {
 472                 bdb_last_id( op->o_bd, ltid );
 473         }
 474         ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
 475 #endif
 476
 477         if ( !dn_match( &ctxcsn_ndn, &op->o_req_ndn ) &&
 478                  !be_issuffix( op->o_bd, &op->o_req_ndn ) &&
 479                         LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 480                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 481                         &ctxcsn_e, &ctxcsn_added, locker );
 482                 switch ( rc ) {
 483                 case BDB_CSN_ABORT :
 484                         goto return_results;
 485                 case BDB_CSN_RETRY :
 486                         goto retry;
 487                 }
 488         }
 489
 490         if( op->o_noop ) {
 491                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 492                         rs->sr_text = "txn_abort (no-op) failed";
 493                 } else {
 494                         rs->sr_err = LDAP_NO_OPERATION;
 495                         goto return_results;
 496                 }
 497         } else {
 498                 rc = bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
 499                         locker, &lock );
 500                 switch( rc ) {
 501                 case DB_LOCK_DEADLOCK:
 502                 case DB_LOCK_NOTGRANTED:
 503                         goto retry;
 504                 }
 505
 506                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 507                         if ( ctxcsn_added ) {
 508                                 bdb_cache_add( bdb, suffix_ei,
 509                                         ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
 510                         }
 511                 }
 512
 513                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
 514                         Attribute *a;
 515                         a = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN );
 516                         if ( a ) {
 517                                 if( (void *) e->e_attrs != (void *) (e+1)) {
 518                                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryCSN );
 519                                         attr_merge_normalize_one( e, slap_schema.si_ad_entryCSN,
 520                                         &op->o_sync_csn, NULL );
 521                                 } else {
 522                                         a->a_vals[0] = op->o_sync_csn;
 523                                 }
 524                         } else {
 525                                 /* Hm, the entryCSN ought to exist. ??? */
 526                         }
 527                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 528                         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 529                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
 530                                 if ( rc ) {
 531                                         Debug( LDAP_DEBUG_TRACE,
 532                                                 "bdb_delete: persistent search failed (%d,%d)\n",
 533                                                 rc, rs->sr_err, 0 );
 534                                 }
 535                         }
 536                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 537                 }
 538
 539                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 540         }
 541         ltid = NULL;
 542         op->o_private = NULL;
 543
 544         if( rs->sr_err != 0 ) {
 545                 Debug( LDAP_DEBUG_TRACE,
 546                         "bdb_delete: txn_%s failed: %s (%d)\n",
 547                         op->o_noop ? "abort (no-op)" : "commit",
 548                         db_strerror(rs->sr_err), rs->sr_err );
 549                 rs->sr_err = LDAP_OTHER;
 550                 rs->sr_text = "commit failed";
 551
 552                 goto return_results;
 553         }
 554
 555         Debug( LDAP_DEBUG_TRACE,
 556                 "bdb_delete: deleted%s id=%08lx dn=\"%s\"\n",
 557                 op->o_noop ? " (no-op)" : "",
 558                 eid, op->o_req_dn.bv_val );
 559         rs->sr_err = LDAP_SUCCESS;
 560         rs->sr_text = NULL;
 561         if( num_ctrls ) rs->sr_ctrls = ctrls;
 562
 563 return_results:
 564         send_ldap_result( op, rs );
 565
 566         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 567                 ldap_pvt_thread_yield();
 568                 TXN_CHECKPOINT( bdb->bi_dbenv,
 569                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 570         }
 571
 572         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 573                 op->o_delete_glue_parent = 1;
 574         }
 575
 576 done:
 577         if ( p )
 578                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 579
 580         /* free entry */
 581         if( e != NULL ) {
 582                 if ( rs->sr_err == LDAP_SUCCESS ) {
 583                         /* Free the EntryInfo and the Entry */
 584                         bdb_cache_delete_cleanup( &bdb->bi_cache, BEI(e) );
 585                 } else {
 586                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 587                 }
 588         }
 589
 590         if( ltid != NULL ) {
 591                 TXN_ABORT( ltid );
 592                 op->o_private = NULL;
 593         }
 594
 595         slap_sl_free( ctxcsn_ndn.bv_val, op->o_tmpmemctx );
 596
 597         if( preread_ctrl != NULL ) {
 598                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
 599                 slap_sl_free( *preread_ctrl, &op->o_tmpmemctx );
 600         }
 601         return rs->sr_err;
 602 }