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
  24 int
  25 bdb_delete( Operation *op, SlapReply *rs )
  26 {
  27         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
  28         Entry   *matched = NULL;
  29         struct berval   pdn = {0, NULL};
  30         Entry   *e = NULL;
  31         Entry   *p = NULL;
  32         EntryInfo       *ei = NULL, *eip = NULL;
  33         int             manageDSAit = get_manageDSAit( op );
  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         ID      eid;
  39
  40         u_int32_t       locker = 0;
  41         DB_LOCK         lock, plock;
  42
  43         int             num_retries = 0;
  44
  45         Operation* ps_list;
  46         int     rc;
  47         EntryInfo   *suffix_ei;
  48         Entry       *ctxcsn_e;
  49         int         ctxcsn_added = 0;
  50
  51         LDAPControl **preread_ctrl = NULL;
  52         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
  53         int num_ctrls = 0;
  54
  55         int     parent_is_glue = 0;
  56         int parent_is_leaf = 0;
  57
  58         struct berval ctxcsn_ndn = BER_BVNULL;
  59
  60         ctrls[num_ctrls] = 0;
  61
  62         Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
  63                 op->o_req_dn.bv_val, 0, 0 );
  64
  65         build_new_dn( &ctxcsn_ndn, &op->o_bd->be_nsuffix[0],
  66                                 (struct berval *)&slap_ldapsync_cn_bv, op->o_tmpmemctx );
  67
  68         if( 0 ) {
  69 retry:  /* transaction retry */
  70                 if( e != NULL ) {
  71                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
  72                         e = NULL;
  73                 }
  74                 if( p != NULL ) {
  75                         bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
  76                         p = NULL;
  77                 }
  78                 Debug( LDAP_DEBUG_TRACE,
  79                         "==> " LDAP_XSTRING(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                         LDAP_XSTRING(bdb_delete) ": txn_begin failed: "
 103                         "%s (%d)\n", 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                         "<=- " LDAP_XSTRING(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                                 "<=- " LDAP_XSTRING(bdb_delete) ": parent "
 216                                 "does not exist\n", 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                                 "<=- " LDAP_XSTRING(bdb_delete) ": no write "
 235                                 "access to parent\n", 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                                                 "<=- " LDAP_XSTRING(bdb_delete)
 263                                                 ": no access to parent\n",
 264                                                 0, 0, 0 );
 265                                         rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 266                                         rs->sr_text = "no write access to parent";
 267                                         goto return_results;
 268                                 }
 269
 270                         } else {
 271                                 Debug( LDAP_DEBUG_TRACE,
 272                                         "<=- " LDAP_XSTRING(bdb_delete)
 273                                         ": no parent and not root\n", 0, 0, 0 );
 274                                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 275                                 goto return_results;
 276                         }
 277                 }
 278         }
 279
 280         if ( get_assert( op ) &&
 281                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 282         {
 283                 rs->sr_err = LDAP_ASSERTION_FAILED;
 284                 goto return_results;
 285         }
 286
 287         rs->sr_err = access_allowed( op, e,
 288                 entry, NULL, ACL_WRITE, NULL );
 289
 290         if ( !rs->sr_err  ) {
 291                 switch( opinfo.boi_err ) {
 292                 case DB_LOCK_DEADLOCK:
 293                 case DB_LOCK_NOTGRANTED:
 294                         goto retry;
 295                 }
 296
 297                 Debug( LDAP_DEBUG_TRACE,
 298                         "<=- " LDAP_XSTRING(bdb_delete) ": no write access "
 299                         "to entry\n", 0, 0, 0 );
 300                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 301                 rs->sr_text = "no write access to entry";
 302                 goto return_results;
 303         }
 304
 305         if ( !manageDSAit && is_entry_referral( e ) ) {
 306                 /* entry is a referral, don't allow delete */
 307                 rs->sr_ref = get_entry_referrals( op, e );
 308
 309                 Debug( LDAP_DEBUG_TRACE,
 310                         LDAP_XSTRING(bdb_delete) ": entry is referral\n",
 311                         0, 0, 0 );
 312
 313                 rs->sr_err = LDAP_REFERRAL;
 314                 rs->sr_matched = e->e_name.bv_val;
 315                 send_ldap_result( op, rs );
 316
 317                 ber_bvarray_free( rs->sr_ref );
 318                 rs->sr_ref = NULL;
 319                 rs->sr_matched = NULL;
 320
 321                 rs->sr_err = 1;
 322                 goto done;
 323         }
 324
 325         /* pre-read */
 326         if( op->o_preread ) {
 327                 if( preread_ctrl == NULL ) {
 328                         preread_ctrl = &ctrls[num_ctrls++];
 329                         ctrls[num_ctrls] = NULL;
 330                 }
 331                 if( slap_read_controls( op, rs, e,
 332                         &slap_pre_read_bv, preread_ctrl ) )
 333                 {
 334                         Debug( LDAP_DEBUG_TRACE,
 335                                 "<=- " LDAP_XSTRING(bdb_delete) ": pre-read "
 336                                 "failed!\n", 0, 0, 0 );
 337                         goto return_results;
 338                 }
 339         }
 340
 341         /* nested transaction */
 342         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 343                 bdb->bi_db_opflags );
 344         rs->sr_text = NULL;
 345         if( rs->sr_err != 0 ) {
 346                 Debug( LDAP_DEBUG_TRACE,
 347                         LDAP_XSTRING(bdb_delete) ": txn_begin(2) failed: "
 348                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 349                 rs->sr_err = LDAP_OTHER;
 350                 rs->sr_text = "internal error";
 351                 goto return_results;
 352         }
 353
 354         /* Can't do it if we have kids */
 355         rs->sr_err = bdb_cache_children( op, lt2, e );
 356         if( rs->sr_err != DB_NOTFOUND ) {
 357                 switch( rs->sr_err ) {
 358                 case DB_LOCK_DEADLOCK:
 359                 case DB_LOCK_NOTGRANTED:
 360                         goto retry;
 361                 case 0:
 362                         Debug(LDAP_DEBUG_ARGS,
 363                                 "<=- " LDAP_XSTRING(bdb_delete)
 364                                 ": non-leaf %s\n",
 365                                 op->o_req_dn.bv_val, 0, 0);
 366                         rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
 367                         rs->sr_text = "subtree delete not supported";
 368                         break;
 369                 default:
 370                         Debug(LDAP_DEBUG_ARGS,
 371                                 "<=- " LDAP_XSTRING(bdb_delete)
 372                                 ": has_children failed: %s (%d)\n",
 373                                 db_strerror(rs->sr_err), rs->sr_err, 0 );
 374                         rs->sr_err = LDAP_OTHER;
 375                         rs->sr_text = "internal error";
 376                 }
 377                 goto return_results;
 378         }
 379
 380         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 381         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 382                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_PREDELETE );
 383                 if ( rc == LDAP_BUSY && op->o_ps_send_wait ) {
 384                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 385                         goto retry;
 386                 } else if ( rc ) {
 387                         Debug( LDAP_DEBUG_TRACE,
 388                                 LDAP_XSTRING(bdb_delete) ": persistent search "
 389                                 "failed (%d,%d)\n", rc, rs->sr_err, 0 );
 390                 }
 391         }
 392         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 393
 394         /* delete from dn2id */
 395         rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
 396         if ( rs->sr_err != 0 ) {
 397                 Debug(LDAP_DEBUG_TRACE,
 398                         "<=- " LDAP_XSTRING(bdb_delete) ": dn2id failed: "
 399                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 400                 switch( rs->sr_err ) {
 401                 case DB_LOCK_DEADLOCK:
 402                 case DB_LOCK_NOTGRANTED:
 403                         goto retry;
 404                 }
 405                 rs->sr_text = "DN index delete failed";
 406                 rs->sr_err = LDAP_OTHER;
 407                 goto return_results;
 408         }
 409
 410         /* delete from id2entry */
 411         rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
 412         if ( rs->sr_err != 0 ) {
 413                 Debug(LDAP_DEBUG_TRACE,
 414                         "<=- " LDAP_XSTRING(bdb_delete) ": id2entry failed: "
 415                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 416                 switch( rs->sr_err ) {
 417                 case DB_LOCK_DEADLOCK:
 418                 case DB_LOCK_NOTGRANTED:
 419                         goto retry;
 420                 }
 421                 rs->sr_text = "entry delete failed";
 422                 rs->sr_err = LDAP_OTHER;
 423                 goto return_results;
 424         }
 425
 426         /* delete indices for old attributes */
 427         rs->sr_err = bdb_index_entry_del( op, lt2, e );
 428         if ( rs->sr_err != LDAP_SUCCESS ) {
 429                 Debug( LDAP_DEBUG_TRACE,
 430                         "<=- " LDAP_XSTRING(bdb_delete) ": index failed: "
 431                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 432                 switch( rs->sr_err ) {
 433                 case DB_LOCK_DEADLOCK:
 434                 case DB_LOCK_NOTGRANTED:
 435                         goto retry;
 436                 }
 437                 rs->sr_text = "entry index delete failed";
 438                 rs->sr_err = LDAP_OTHER;
 439                 goto return_results;
 440         }
 441
 442         if ( pdn.bv_len != 0 ) {
 443                 parent_is_glue = is_entry_glue(p);
 444                 rs->sr_err = bdb_cache_children( op, lt2, p );
 445                 if ( rs->sr_err != DB_NOTFOUND ) {
 446                         switch( rs->sr_err ) {
 447                         case DB_LOCK_DEADLOCK:
 448                         case DB_LOCK_NOTGRANTED:
 449                                 goto retry;
 450                         case 0:
 451                                 break;
 452                         default:
 453                                 Debug(LDAP_DEBUG_ARGS,
 454                                         "<=- " LDAP_XSTRING(bdb_delete)
 455                                         ": has_children failed: %s (%d)\n",
 456                                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 457                                 rs->sr_err = LDAP_OTHER;
 458                                 rs->sr_text = "internal error";
 459                                 goto return_results;
 460                         }
 461                         parent_is_leaf = 1;
 462                 }
 463                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 464                 p = NULL;
 465         }
 466
 467         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 468                 rs->sr_err = LDAP_OTHER;
 469                 rs->sr_text = "txn_commit(2) failed";
 470                 goto return_results;
 471         }
 472
 473         eid = e->e_id;
 474
 475 #if 0   /* Do we want to reclaim deleted IDs? */
 476         ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
 477         if ( e->e_id == bdb->bi_lastid ) {
 478                 bdb_last_id( op->o_bd, ltid );
 479         }
 480         ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
 481 #endif
 482
 483         if ( !dn_match( &ctxcsn_ndn, &op->o_req_ndn ) &&
 484                  !be_issuffix( op->o_bd, &op->o_req_ndn ) &&
 485                         LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 486                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 487                         &ctxcsn_e, &ctxcsn_added, locker );
 488                 switch ( rc ) {
 489                 case BDB_CSN_ABORT :
 490                         goto return_results;
 491                 case BDB_CSN_RETRY :
 492                         goto retry;
 493                 }
 494         }
 495
 496         if( op->o_noop ) {
 497                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 498                         rs->sr_text = "txn_abort (no-op) failed";
 499                 } else {
 500                         rs->sr_err = LDAP_NO_OPERATION;
 501                         goto return_results;
 502                 }
 503         } else {
 504                 rc = bdb_cache_delete( &bdb->bi_cache, e, bdb->bi_dbenv,
 505                         locker, &lock );
 506                 switch( rc ) {
 507                 case DB_LOCK_DEADLOCK:
 508                 case DB_LOCK_NOTGRANTED:
 509                         goto retry;
 510                 }
 511
 512                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 513                         if ( ctxcsn_added ) {
 514                                 bdb_cache_add( bdb, suffix_ei,
 515                                         ctxcsn_e, (struct berval *)&slap_ldapsync_cn_bv, locker );
 516                         }
 517                 }
 518
 519                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_no_psearch ) {
 520                         Attribute *a;
 521                         a = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN );
 522                         if ( a ) {
 523                                 if( (void *) e->e_attrs != (void *) (e+1)) {
 524                                         attr_delete( &e->e_attrs, slap_schema.si_ad_entryCSN );
 525                                         attr_merge_normalize_one( e, slap_schema.si_ad_entryCSN,
 526                                         &op->o_sync_csn, NULL );
 527                                 } else {
 528                                         a->a_vals[0] = op->o_sync_csn;
 529                                 }
 530                         } else {
 531                                 /* Hm, the entryCSN ought to exist. ??? */
 532                         }
 533                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 534                         LDAP_LIST_FOREACH( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 535                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_DELETE );
 536                                 if ( rc ) {
 537                                         Debug( LDAP_DEBUG_TRACE,
 538                                                 LDAP_XSTRING(bdb_delete)
 539                                                 ": persistent search failed "
 540                                                 "(%d,%d)\n",
 541                                                 rc, rs->sr_err, 0 );
 542                                 }
 543                         }
 544                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 545                 }
 546
 547                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 548         }
 549         ltid = NULL;
 550         op->o_private = NULL;
 551
 552         if( rs->sr_err != 0 ) {
 553                 Debug( LDAP_DEBUG_TRACE,
 554                         LDAP_XSTRING(bdb_delete) ": txn_%s failed: %s (%d)\n",
 555                         op->o_noop ? "abort (no-op)" : "commit",
 556                         db_strerror(rs->sr_err), rs->sr_err );
 557                 rs->sr_err = LDAP_OTHER;
 558                 rs->sr_text = "commit failed";
 559
 560                 goto return_results;
 561         }
 562
 563         Debug( LDAP_DEBUG_TRACE,
 564                 LDAP_XSTRING(bdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
 565                 op->o_noop ? " (no-op)" : "",
 566                 eid, op->o_req_dn.bv_val );
 567         rs->sr_err = LDAP_SUCCESS;
 568         rs->sr_text = NULL;
 569         if( num_ctrls ) rs->sr_ctrls = ctrls;
 570
 571 return_results:
 572         send_ldap_result( op, rs );
 573
 574         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 575                 ldap_pvt_thread_yield();
 576                 TXN_CHECKPOINT( bdb->bi_dbenv,
 577                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 578         }
 579
 580         if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
 581                 op->o_delete_glue_parent = 1;
 582         }
 583
 584 done:
 585         if ( p )
 586                 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
 587
 588         /* free entry */
 589         if( e != NULL ) {
 590                 if ( rs->sr_err == LDAP_SUCCESS ) {
 591                         /* Free the EntryInfo and the Entry */
 592                         bdb_cache_delete_cleanup( &bdb->bi_cache, BEI(e) );
 593                 } else {
 594                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 595                 }
 596         }
 597
 598         if( ltid != NULL ) {
 599                 TXN_ABORT( ltid );
 600                 op->o_private = NULL;
 601         }
 602
 603         slap_sl_free( ctxcsn_ndn.bv_val, op->o_tmpmemctx );
 604
 605         if( preread_ctrl != NULL ) {
 606                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 607                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 608         }
 609         return rs->sr_err;
 610 }