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

   1 /* modify.c - bdb backend modify 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 #include <ac/time.h>
  22
  23 #include "back-bdb.h"
  24
  25 static struct berval scbva[] = {
  26         BER_BVC("glue"),
  27         BER_BVNULL
  28 };
  29
  30 int bdb_modify_internal(
  31         Operation *op,
  32         DB_TXN *tid,
  33         Modifications *modlist,
  34         Entry *e,
  35         const char **text,
  36         char *textbuf,
  37         size_t textlen )
  38 {
  39         int rc, err;
  40         Modification    *mod;
  41         Modifications   *ml;
  42         Attribute       *save_attrs;
  43         Attribute       *ap;
  44         int                     glue_attr_delete = 0;
  45         int     manage=0;
  46
  47         Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
  48                 e->e_id, e->e_dn, 0);
  49
  50         if( get_manageDIT(op) ) {
  51                 AttributeDescription *entry = slap_schema.si_ad_entry;
  52                 if( !access_allowed( op, e, entry, NULL, ACL_MANAGE, NULL )) {
  53                         *text = "not authorized to manage entry";
  54                         return LDAP_INSUFFICIENT_ACCESS;
  55                 }
  56
  57                 manage = 1;
  58         }
  59
  60         if ( !acl_check_modlist( op, e, modlist )) {
  61                 return LDAP_INSUFFICIENT_ACCESS;
  62         }
  63
  64         /* save_attrs will be disposed of by bdb_cache_modify */
  65         save_attrs = e->e_attrs;
  66         e->e_attrs = attrs_dup( e->e_attrs );
  67
  68         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  69                 int match;
  70                 mod = &ml->sml_mod;
  71                 switch( mod->sm_op ) {
  72                 case LDAP_MOD_ADD:
  73                 case LDAP_MOD_REPLACE:
  74                         if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
  75                                 value_match( &match, slap_schema.si_ad_structuralObjectClass,
  76                                         slap_schema.si_ad_structuralObjectClass->
  77                                                 ad_type->sat_equality,
  78                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
  79                                         &mod->sm_values[0], &scbva[0], text );
  80                                 if ( !match ) glue_attr_delete = 1;
  81                         }
  82                 }
  83                 if ( glue_attr_delete )
  84                         break;
  85         }
  86
  87         if ( glue_attr_delete ) {
  88                 Attribute       **app = &e->e_attrs;
  89                 while ( *app != NULL ) {
  90                         if ( !is_at_operational( (*app)->a_desc->ad_type )) {
  91                                 Attribute *save = *app;
  92                                 *app = (*app)->a_next;
  93                                 attr_free( save );
  94                                 continue;
  95                         }
  96                         app = &(*app)->a_next;
  97                 }
  98         }
  99
 100         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
 101                 mod = &ml->sml_mod;
 102
 103                 switch ( mod->sm_op ) {
 104                 case LDAP_MOD_ADD:
 105                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
 106                         err = modify_add_values( e, mod, get_permissiveModify(op),
 107                                 text, textbuf, textlen );
 108                         if( err != LDAP_SUCCESS ) {
 109                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 110                                         err, *text, 0);
 111                         }
 112                         break;
 113
 114                 case LDAP_MOD_DELETE:
 115                         if ( glue_attr_delete ) {
 116                                 err = LDAP_SUCCESS;
 117                                 break;
 118                         }
 119
 120                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
 121                         err = modify_delete_values( e, mod, get_permissiveModify(op),
 122                                 text, textbuf, textlen );
 123                         assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
 124                         if( err != LDAP_SUCCESS ) {
 125                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 126                                         err, *text, 0);
 127                         }
 128                         break;
 129
 130                 case LDAP_MOD_REPLACE:
 131                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
 132                         err = modify_replace_values( e, mod, get_permissiveModify(op),
 133                                 text, textbuf, textlen );
 134                         if( err != LDAP_SUCCESS ) {
 135                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 136                                         err, *text, 0);
 137                         }
 138                         break;
 139
 140                 case LDAP_MOD_INCREMENT:
 141                         Debug(LDAP_DEBUG_ARGS,
 142                                 "bdb_modify_internal: increment\n", 0, 0, 0);
 143                         err = modify_increment_values( e, mod, get_permissiveModify(op),
 144                                 text, textbuf, textlen );
 145                         if( err != LDAP_SUCCESS ) {
 146                                 Debug(LDAP_DEBUG_ARGS,
 147                                         "bdb_modify_internal: %d %s\n",
 148                                         err, *text, 0);
 149                         }
 150                         break;
 151
 152                 case SLAP_MOD_SOFTADD:
 153                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
 154                         /* Avoid problems in index_add_mods()
 155                          * We need to add index if necessary.
 156                          */
 157                         mod->sm_op = LDAP_MOD_ADD;
 158
 159                         err = modify_add_values( e, mod, get_permissiveModify(op),
 160                                 text, textbuf, textlen );
 161
 162                         mod->sm_op = SLAP_MOD_SOFTADD;
 163
 164                         if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 165                                 err = LDAP_SUCCESS;
 166                         }
 167
 168                         if( err != LDAP_SUCCESS ) {
 169                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 170                                         err, *text, 0);
 171                         }
 172                         break;
 173
 174                 default:
 175                         Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
 176                                 mod->sm_op, 0, 0);
 177                         *text = "Invalid modify operation";
 178                         err = LDAP_OTHER;
 179                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 180                                 err, *text, 0);
 181                 }
 182
 183                 if ( err != LDAP_SUCCESS ) {
 184                         attrs_free( e->e_attrs );
 185                         e->e_attrs = save_attrs;
 186                         /* unlock entry, delete from cache */
 187                         return err;
 188                 }
 189
 190                 /* If objectClass was modified, reset the flags */
 191                 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
 192                         e->e_ocflags = 0;
 193                 }
 194
 195                 if ( glue_attr_delete ) e->e_ocflags = 0;
 196
 197                 /* check if modified attribute was indexed
 198                  * but not in case of NOOP... */
 199                 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
 200                 if ( err == LDAP_SUCCESS && !op->o_noop ) {
 201                         ap = attr_find( save_attrs, mod->sm_desc );
 202                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
 203
 204                         ap = attr_find( e->e_attrs, mod->sm_desc );
 205                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
 206                 }
 207         }
 208
 209         /* check that the entry still obeys the schema */
 210         rc = entry_schema_check( op->o_bd, e, save_attrs, manage,
 211                 text, textbuf, textlen );
 212         if ( rc != LDAP_SUCCESS || op->o_noop ) {
 213                 attrs_free( e->e_attrs );
 214                 /* clear the indexing flags */
 215                 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 216                         ap->a_flags = 0;
 217                 }
 218                 e->e_attrs = save_attrs;
 219
 220                 if ( rc != LDAP_SUCCESS ) {
 221                         Debug( LDAP_DEBUG_ANY,
 222                                 "entry failed schema check: %s\n",
 223                                 *text, 0, 0 );
 224                 }
 225
 226                 /* if NOOP then silently revert to saved attrs */
 227                 return rc;
 228         }
 229
 230         /* update the indices of the modified attributes */
 231
 232         /* start with deleting the old index entries */
 233         for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 234                 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
 235                         rc = bdb_index_values( op, tid, ap->a_desc,
 236                                 ap->a_nvals,
 237                                 e->e_id, SLAP_INDEX_DELETE_OP );
 238                         if ( rc != LDAP_SUCCESS ) {
 239                                 attrs_free( e->e_attrs );
 240                                 e->e_attrs = save_attrs;
 241                                 Debug( LDAP_DEBUG_ANY,
 242                                        "Attribute index delete failure",
 243                                        0, 0, 0 );
 244                                 return rc;
 245                         }
 246                         ap->a_flags &= ~SLAP_ATTR_IXDEL;
 247                 }
 248         }
 249
 250         /* add the new index entries */
 251         for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
 252                 if (ap->a_flags & SLAP_ATTR_IXADD) {
 253                         rc = bdb_index_values( op, tid, ap->a_desc,
 254                                 ap->a_nvals,
 255                                 e->e_id, SLAP_INDEX_ADD_OP );
 256                         if ( rc != LDAP_SUCCESS ) {
 257                                 attrs_free( e->e_attrs );
 258                                 e->e_attrs = save_attrs;
 259                                 Debug( LDAP_DEBUG_ANY,
 260                                        "Attribute index add failure",
 261                                        0, 0, 0 );
 262                                 return rc;
 263                         }
 264                         ap->a_flags &= ~SLAP_ATTR_IXADD;
 265                 }
 266         }
 267
 268         return rc;
 269 }
 270
 271
 272 int
 273 bdb_modify( Operation *op, SlapReply *rs )
 274 {
 275         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
 276         Entry           *e = NULL;
 277         EntryInfo       *ei = NULL;
 278         int             manageDSAit = get_manageDSAit( op );
 279         char textbuf[SLAP_TEXT_BUFLEN];
 280         size_t textlen = sizeof textbuf;
 281         DB_TXN  *ltid = NULL, *lt2;
 282         struct bdb_op_info opinfo = {0};
 283         Entry           dummy = {0};
 284         int                     fakeroot = 0;
 285
 286         u_int32_t       locker = 0;
 287         DB_LOCK         lock;
 288
 289         int             num_retries = 0;
 290
 291         LDAPControl **preread_ctrl = NULL;
 292         LDAPControl **postread_ctrl = NULL;
 293         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 294         int num_ctrls = 0;
 295
 296         int rc;
 297
 298         Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n",
 299                 op->o_req_dn.bv_val, 0, 0 );
 300
 301         ctrls[num_ctrls] = NULL;
 302
 303         if( 0 ) {
 304 retry:  /* transaction retry */
 305                 if ( dummy.e_attrs ) {
 306                         attrs_free( dummy.e_attrs );
 307                         dummy.e_attrs = NULL;
 308                 }
 309                 if( e != NULL ) {
 310                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 311                         e = NULL;
 312                 }
 313                 Debug(LDAP_DEBUG_TRACE,
 314                         LDAP_XSTRING(bdb_modify) ": retrying...\n", 0, 0, 0);
 315
 316                 rs->sr_err = TXN_ABORT( ltid );
 317                 ltid = NULL;
 318                 op->o_private = NULL;
 319                 op->o_do_not_cache = opinfo.boi_acl_cache;
 320                 if( rs->sr_err != 0 ) {
 321                         rs->sr_err = LDAP_OTHER;
 322                         rs->sr_text = "internal error";
 323                         goto return_results;
 324                 }
 325                 if ( op->o_abandon ) {
 326                         rs->sr_err = SLAPD_ABANDON;
 327                         goto return_results;
 328                 }
 329                 ldap_pvt_thread_yield();
 330                 bdb_trans_backoff( ++num_retries );
 331         }
 332
 333         /* begin transaction */
 334         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 335                 bdb->bi_db_opflags );
 336         rs->sr_text = NULL;
 337         if( rs->sr_err != 0 ) {
 338                 Debug( LDAP_DEBUG_TRACE,
 339                         LDAP_XSTRING(bdb_modify) ": txn_begin failed: "
 340                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 341                 rs->sr_err = LDAP_OTHER;
 342                 rs->sr_text = "internal error";
 343                 goto return_results;
 344         }
 345
 346         locker = TXN_ID ( ltid );
 347
 348         opinfo.boi_bdb = op->o_bd;
 349         opinfo.boi_txn = ltid;
 350         opinfo.boi_locker = locker;
 351         opinfo.boi_err = 0;
 352         opinfo.boi_acl_cache = op->o_do_not_cache;
 353         op->o_private = &opinfo;
 354
 355         /* get entry or ancestor */
 356         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 357                 locker, &lock );
 358
 359         e = ei->bei_e;
 360
 361         if ( rs->sr_err != 0 ) {
 362                 Debug( LDAP_DEBUG_TRACE,
 363                         LDAP_XSTRING(bdb_modify) ": dn2entry failed (%d)\n",
 364                         rs->sr_err, 0, 0 );
 365                 switch( rs->sr_err ) {
 366                 case DB_LOCK_DEADLOCK:
 367                 case DB_LOCK_NOTGRANTED:
 368                         goto retry;
 369                 case DB_NOTFOUND:
 370                         if ( BER_BVISEMPTY( &op->o_req_ndn )) {
 371                                 struct berval gluebv = BER_BVC("glue");
 372                                 e = ch_calloc( 1, sizeof(Entry));
 373                                 e->e_name.bv_val = ch_strdup( "" );
 374                                 ber_dupbv( &e->e_nname, &e->e_name );
 375                                 attr_merge_one( e, slap_schema.si_ad_objectClass,
 376                                         &gluebv, NULL );
 377                                 attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
 378                                         &gluebv, NULL );
 379                                 e->e_private = ei;
 380                                 fakeroot = 1;
 381                                 rs->sr_err = 0;
 382                         }
 383                         break;
 384                 case LDAP_BUSY:
 385                         rs->sr_text = "ldap server busy";
 386                         goto return_results;
 387                 default:
 388                         rs->sr_err = LDAP_OTHER;
 389                         rs->sr_text = "internal error";
 390                         goto return_results;
 391                 }
 392         }
 393
 394         /* acquire and lock entry */
 395         /* FIXME: dn2entry() should return non-glue entry */
 396         if (( rs->sr_err == DB_NOTFOUND ) ||
 397                 ( !manageDSAit && e && is_entry_glue( e )))
 398         {
 399                 if ( e != NULL ) {
 400                         rs->sr_matched = ch_strdup( e->e_dn );
 401                         rs->sr_ref = is_entry_referral( e )
 402                                 ? get_entry_referrals( op, e )
 403                                 : NULL;
 404                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 405                         e = NULL;
 406
 407                 } else {
 408                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 409                                 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 410                 }
 411
 412                 rs->sr_err = LDAP_REFERRAL;
 413                 send_ldap_result( op, rs );
 414
 415                 if ( rs->sr_ref != default_referral ) {
 416                         ber_bvarray_free( rs->sr_ref );
 417                 }
 418                 free( (char *)rs->sr_matched );
 419                 rs->sr_ref = NULL;
 420                 rs->sr_matched = NULL;
 421
 422                 goto done;
 423         }
 424
 425         if ( !manageDSAit && is_entry_referral( e ) ) {
 426                 /* entry is a referral, don't allow modify */
 427                 rs->sr_ref = get_entry_referrals( op, e );
 428
 429                 Debug( LDAP_DEBUG_TRACE,
 430                         LDAP_XSTRING(bdb_modify) ": entry is referral\n",
 431                         0, 0, 0 );
 432
 433                 rs->sr_err = LDAP_REFERRAL;
 434                 rs->sr_matched = e->e_name.bv_val;
 435                 send_ldap_result( op, rs );
 436
 437                 ber_bvarray_free( rs->sr_ref );
 438                 rs->sr_ref = NULL;
 439                 rs->sr_matched = NULL;
 440                 goto done;
 441         }
 442
 443         if ( get_assert( op ) &&
 444                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 445         {
 446                 rs->sr_err = LDAP_ASSERTION_FAILED;
 447                 goto return_results;
 448         }
 449
 450         if( op->o_preread ) {
 451                 if( preread_ctrl == NULL ) {
 452                         preread_ctrl = &ctrls[num_ctrls++];
 453                         ctrls[num_ctrls] = NULL;
 454                 }
 455                 if ( slap_read_controls( op, rs, e,
 456                         &slap_pre_read_bv, preread_ctrl ) )
 457                 {
 458                         Debug( LDAP_DEBUG_TRACE,
 459                                 "<=- " LDAP_XSTRING(bdb_modify) ": pre-read failed!\n",
 460                                 0, 0, 0 );
 461                         goto return_results;
 462                 }
 463         }
 464
 465         /* nested transaction */
 466         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
 467         rs->sr_text = NULL;
 468         if( rs->sr_err != 0 ) {
 469                 Debug( LDAP_DEBUG_TRACE,
 470                         LDAP_XSTRING(bdb_modify) ": txn_begin(2) failed: " "%s (%d)\n",
 471                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 472                 rs->sr_err = LDAP_OTHER;
 473                 rs->sr_text = "internal error";
 474                 goto return_results;
 475         }
 476         /* Modify the entry */
 477         dummy = *e;
 478         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 479                 &dummy, &rs->sr_text, textbuf, textlen );
 480
 481         if( rs->sr_err != LDAP_SUCCESS ) {
 482                 Debug( LDAP_DEBUG_TRACE,
 483                         LDAP_XSTRING(bdb_modify) ": modify failed (%d)\n",
 484                         rs->sr_err, 0, 0 );
 485                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 486                         rs->sr_err = opinfo.boi_err;
 487                 }
 488                 /* Only free attrs if they were dup'd.  */
 489                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 490                 switch( rs->sr_err ) {
 491                 case DB_LOCK_DEADLOCK:
 492                 case DB_LOCK_NOTGRANTED:
 493                         goto retry;
 494                 }
 495                 goto return_results;
 496         }
 497
 498         /* change the entry itself */
 499         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 500         if ( rs->sr_err != 0 ) {
 501                 Debug( LDAP_DEBUG_TRACE,
 502                         LDAP_XSTRING(bdb_modify) ": id2entry update failed " "(%d)\n",
 503                         rs->sr_err, 0, 0 );
 504                 switch( rs->sr_err ) {
 505                 case DB_LOCK_DEADLOCK:
 506                 case DB_LOCK_NOTGRANTED:
 507                         goto retry;
 508                 }
 509                 rs->sr_text = "entry update failed";
 510                 goto return_results;
 511         }
 512
 513         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 514                 rs->sr_err = LDAP_OTHER;
 515                 rs->sr_text = "txn_commit(2) failed";
 516                 goto return_results;
 517         }
 518
 519         if( op->o_postread ) {
 520                 if( postread_ctrl == NULL ) {
 521                         postread_ctrl = &ctrls[num_ctrls++];
 522                         ctrls[num_ctrls] = NULL;
 523                 }
 524                 if( slap_read_controls( op, rs, &dummy,
 525                         &slap_post_read_bv, postread_ctrl ) )
 526                 {
 527                         Debug( LDAP_DEBUG_TRACE,
 528                                 "<=- " LDAP_XSTRING(bdb_modify)
 529                                 ": post-read failed!\n", 0, 0, 0 );
 530                         goto return_results;
 531                 }
 532         }
 533
 534         if( op->o_noop ) {
 535                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 536                         rs->sr_text = "txn_abort (no-op) failed";
 537                 } else {
 538                         rs->sr_err = LDAP_NO_OPERATION;
 539                         goto return_results;
 540                 }
 541         } else {
 542                 /* may have changed in bdb_modify_internal() */
 543                 e->e_ocflags = dummy.e_ocflags;
 544                 if ( fakeroot ) {
 545                         e->e_private = NULL;
 546                         entry_free( e );
 547                 } else {
 548                         rc = bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 549                         switch( rc ) {
 550                         case DB_LOCK_DEADLOCK:
 551                         case DB_LOCK_NOTGRANTED:
 552                                 goto retry;
 553                         }
 554                 }
 555                 dummy.e_attrs = NULL;
 556
 557                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 558         }
 559         ltid = NULL;
 560         op->o_private = NULL;
 561
 562         if( rs->sr_err != 0 ) {
 563                 Debug( LDAP_DEBUG_TRACE,
 564                         LDAP_XSTRING(bdb_modify) ": txn_%s failed: %s (%d)\n",
 565                         op->o_noop ? "abort (no-op)" : "commit",
 566                         db_strerror(rs->sr_err), rs->sr_err );
 567                 rs->sr_err = LDAP_OTHER;
 568                 rs->sr_text = "commit failed";
 569
 570                 goto return_results;
 571         }
 572
 573         Debug( LDAP_DEBUG_TRACE,
 574                 LDAP_XSTRING(bdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
 575                 op->o_noop ? " (no-op)" : "",
 576                 dummy.e_id, op->o_req_dn.bv_val );
 577
 578         rs->sr_err = LDAP_SUCCESS;
 579         rs->sr_text = NULL;
 580         if( num_ctrls ) rs->sr_ctrls = ctrls;
 581
 582 return_results:
 583         if( dummy.e_attrs ) {
 584                 attrs_free( dummy.e_attrs );
 585         }
 586         send_ldap_result( op, rs );
 587
 588         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 589                 ldap_pvt_thread_yield();
 590                 TXN_CHECKPOINT( bdb->bi_dbenv,
 591                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 592         }
 593
 594 done:
 595         if( ltid != NULL ) {
 596                 TXN_ABORT( ltid );
 597                 op->o_private = NULL;
 598         }
 599
 600         if( e != NULL ) {
 601                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 602         }
 603
 604         if( preread_ctrl != NULL ) {
 605                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 606                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 607         }
 608         if( postread_ctrl != NULL ) {
 609                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 610                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 611         }
 612         return rs->sr_err;
 613 }