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
  46         Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
  47                 e->e_id, e->e_dn, 0);
  48
  49         if ( !acl_check_modlist( op, e, modlist )) {
  50                 return LDAP_INSUFFICIENT_ACCESS;
  51         }
  52
  53         /* save_attrs will be disposed of by bdb_cache_modify */
  54         save_attrs = e->e_attrs;
  55         e->e_attrs = attrs_dup( e->e_attrs );
  56
  57         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  58                 int match;
  59                 mod = &ml->sml_mod;
  60                 switch( mod->sm_op ) {
  61                 case LDAP_MOD_ADD:
  62                 case LDAP_MOD_REPLACE:
  63                         if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
  64                                 value_match( &match, slap_schema.si_ad_structuralObjectClass,
  65                                         slap_schema.si_ad_structuralObjectClass->
  66                                                 ad_type->sat_equality,
  67                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
  68                                         &mod->sm_values[0], &scbva[0], text );
  69                                 if ( !match ) glue_attr_delete = 1;
  70                         }
  71                 }
  72                 if ( glue_attr_delete )
  73                         break;
  74         }
  75
  76         if ( glue_attr_delete ) {
  77                 Attribute       **app = &e->e_attrs;
  78                 while ( *app != NULL ) {
  79                         if ( !is_at_operational( (*app)->a_desc->ad_type )) {
  80                                 Attribute *save = *app;
  81                                 *app = (*app)->a_next;
  82                                 attr_free( save );
  83                                 continue;
  84                         }
  85                         app = &(*app)->a_next;
  86                 }
  87         }
  88
  89         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  90                 mod = &ml->sml_mod;
  91
  92                 switch ( mod->sm_op ) {
  93                 case LDAP_MOD_ADD:
  94                         Debug(LDAP_DEBUG_ARGS,
  95                                 "bdb_modify_internal: add %s\n",
  96                                 mod->sm_desc->ad_cname.bv_val, 0, 0);
  97                         err = modify_add_values( e, mod, get_permissiveModify(op),
  98                                 text, textbuf, textlen );
  99                         if( err != LDAP_SUCCESS ) {
 100                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 101                                         err, *text, 0);
 102                         }
 103                         break;
 104
 105                 case LDAP_MOD_DELETE:
 106                         if ( glue_attr_delete ) {
 107                                 err = LDAP_SUCCESS;
 108                                 break;
 109                         }
 110
 111                         Debug(LDAP_DEBUG_ARGS,
 112                                 "bdb_modify_internal: delete %s\n",
 113                                 mod->sm_desc->ad_cname.bv_val, 0, 0);
 114                         err = modify_delete_values( e, mod, get_permissiveModify(op),
 115                                 text, textbuf, textlen );
 116                         assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
 117                         if( err != LDAP_SUCCESS ) {
 118                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 119                                         err, *text, 0);
 120                         }
 121                         break;
 122
 123                 case LDAP_MOD_REPLACE:
 124                         Debug(LDAP_DEBUG_ARGS,
 125                                 "bdb_modify_internal: replace %s\n",
 126                                 mod->sm_desc->ad_cname.bv_val, 0, 0);
 127                         err = modify_replace_values( e, mod, get_permissiveModify(op),
 128                                 text, textbuf, textlen );
 129                         if( err != LDAP_SUCCESS ) {
 130                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 131                                         err, *text, 0);
 132                         }
 133                         break;
 134
 135                 case LDAP_MOD_INCREMENT:
 136                         Debug(LDAP_DEBUG_ARGS,
 137                                 "bdb_modify_internal: increment %s\n",
 138                                 mod->sm_desc->ad_cname.bv_val, 0, 0);
 139                         err = modify_increment_values( e, mod, get_permissiveModify(op),
 140                                 text, textbuf, textlen );
 141                         if( err != LDAP_SUCCESS ) {
 142                                 Debug(LDAP_DEBUG_ARGS,
 143                                         "bdb_modify_internal: %d %s\n",
 144                                         err, *text, 0);
 145                         }
 146                         break;
 147
 148                 case SLAP_MOD_SOFTADD:
 149                         Debug(LDAP_DEBUG_ARGS,
 150                                 "bdb_modify_internal: softadd %s\n",
 151                                 mod->sm_desc->ad_cname.bv_val, 0, 0);
 152                         /* Avoid problems in index_add_mods()
 153                          * We need to add index if necessary.
 154                          */
 155                         mod->sm_op = LDAP_MOD_ADD;
 156
 157                         err = modify_add_values( e, mod, get_permissiveModify(op),
 158                                 text, textbuf, textlen );
 159
 160                         mod->sm_op = SLAP_MOD_SOFTADD;
 161
 162                         if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 163                                 err = LDAP_SUCCESS;
 164                         }
 165
 166                         if( err != LDAP_SUCCESS ) {
 167                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 168                                         err, *text, 0);
 169                         }
 170                         break;
 171
 172                 default:
 173                         Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
 174                                 mod->sm_op, 0, 0);
 175                         *text = "Invalid modify operation";
 176                         err = LDAP_OTHER;
 177                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 178                                 err, *text, 0);
 179                 }
 180
 181                 if ( err != LDAP_SUCCESS ) {
 182                         attrs_free( e->e_attrs );
 183                         e->e_attrs = save_attrs;
 184                         /* unlock entry, delete from cache */
 185                         return err;
 186                 }
 187
 188                 /* If objectClass was modified, reset the flags */
 189                 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
 190                         e->e_ocflags = 0;
 191                 }
 192
 193                 if ( glue_attr_delete ) e->e_ocflags = 0;
 194
 195                 /* check if modified attribute was indexed
 196                  * but not in case of NOOP... */
 197                 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
 198                 if ( err == LDAP_SUCCESS && !op->o_noop ) {
 199                         ap = attr_find( save_attrs, mod->sm_desc );
 200                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
 201
 202                         ap = attr_find( e->e_attrs, mod->sm_desc );
 203                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
 204                 }
 205         }
 206
 207         /* check that the entry still obeys the schema */
 208         rc = entry_schema_check( op, e, save_attrs, get_manageDIT(op),
 209                 text, textbuf, textlen );
 210         if ( rc != LDAP_SUCCESS || op->o_noop ) {
 211                 attrs_free( e->e_attrs );
 212                 /* clear the indexing flags */
 213                 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 214                         ap->a_flags = 0;
 215                 }
 216                 e->e_attrs = save_attrs;
 217
 218                 if ( rc != LDAP_SUCCESS ) {
 219                         Debug( LDAP_DEBUG_ANY,
 220                                 "entry failed schema check: %s\n",
 221                                 *text, 0, 0 );
 222                 }
 223
 224                 /* if NOOP then silently revert to saved attrs */
 225                 return rc;
 226         }
 227
 228         /* update the indices of the modified attributes */
 229
 230         /* start with deleting the old index entries */
 231         for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 232                 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
 233                         rc = bdb_index_values( op, tid, ap->a_desc,
 234                                 ap->a_nvals,
 235                                 e->e_id, SLAP_INDEX_DELETE_OP );
 236                         if ( rc != LDAP_SUCCESS ) {
 237                                 attrs_free( e->e_attrs );
 238                                 e->e_attrs = save_attrs;
 239                                 Debug( LDAP_DEBUG_ANY,
 240                                        "Attribute index delete failure",
 241                                        0, 0, 0 );
 242                                 return rc;
 243                         }
 244                         ap->a_flags &= ~SLAP_ATTR_IXDEL;
 245                 }
 246         }
 247
 248         /* add the new index entries */
 249         for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
 250                 if (ap->a_flags & SLAP_ATTR_IXADD) {
 251                         rc = bdb_index_values( op, tid, ap->a_desc,
 252                                 ap->a_nvals,
 253                                 e->e_id, SLAP_INDEX_ADD_OP );
 254                         if ( rc != LDAP_SUCCESS ) {
 255                                 attrs_free( e->e_attrs );
 256                                 e->e_attrs = save_attrs;
 257                                 Debug( LDAP_DEBUG_ANY,
 258                                        "Attribute index add failure",
 259                                        0, 0, 0 );
 260                                 return rc;
 261                         }
 262                         ap->a_flags &= ~SLAP_ATTR_IXADD;
 263                 }
 264         }
 265
 266         return rc;
 267 }
 268
 269
 270 int
 271 bdb_modify( Operation *op, SlapReply *rs )
 272 {
 273         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
 274         Entry           *e = NULL;
 275         EntryInfo       *ei = NULL;
 276         int             manageDSAit = get_manageDSAit( op );
 277         char textbuf[SLAP_TEXT_BUFLEN];
 278         size_t textlen = sizeof textbuf;
 279         DB_TXN  *ltid = NULL, *lt2;
 280         struct bdb_op_info opinfo = {0};
 281         Entry           dummy = {0};
 282         int                     fakeroot = 0;
 283
 284         u_int32_t       locker = 0;
 285         DB_LOCK         lock;
 286
 287         int             num_retries = 0;
 288
 289         LDAPControl **preread_ctrl = NULL;
 290         LDAPControl **postread_ctrl = NULL;
 291         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 292         int num_ctrls = 0;
 293
 294         int rc;
 295
 296         Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n",
 297                 op->o_req_dn.bv_val, 0, 0 );
 298
 299         ctrls[num_ctrls] = NULL;
 300
 301         if ( !SLAP_SHADOW( op->o_bd ))
 302                 slap_mods_opattrs( op, &op->orm_modlist, 1 );
 303
 304         if( 0 ) {
 305 retry:  /* transaction retry */
 306                 if ( dummy.e_attrs ) {
 307                         attrs_free( dummy.e_attrs );
 308                         dummy.e_attrs = NULL;
 309                 }
 310                 if( e != NULL ) {
 311                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 312                         e = NULL;
 313                 }
 314                 Debug(LDAP_DEBUG_TRACE,
 315                         LDAP_XSTRING(bdb_modify) ": retrying...\n", 0, 0, 0);
 316
 317                 rs->sr_err = TXN_ABORT( ltid );
 318                 ltid = NULL;
 319                 op->o_private = NULL;
 320                 op->o_do_not_cache = opinfo.boi_acl_cache;
 321                 if( rs->sr_err != 0 ) {
 322                         rs->sr_err = LDAP_OTHER;
 323                         rs->sr_text = "internal error";
 324                         goto return_results;
 325                 }
 326                 if ( op->o_abandon ) {
 327                         rs->sr_err = SLAPD_ABANDON;
 328                         goto return_results;
 329                 }
 330                 ldap_pvt_thread_yield();
 331                 bdb_trans_backoff( ++num_retries );
 332         }
 333
 334         /* begin transaction */
 335         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 336                 bdb->bi_db_opflags );
 337         rs->sr_text = NULL;
 338         if( rs->sr_err != 0 ) {
 339                 Debug( LDAP_DEBUG_TRACE,
 340                         LDAP_XSTRING(bdb_modify) ": txn_begin failed: "
 341                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 342                 rs->sr_err = LDAP_OTHER;
 343                 rs->sr_text = "internal error";
 344                 goto return_results;
 345         }
 346
 347         locker = TXN_ID ( ltid );
 348
 349         opinfo.boi_bdb = op->o_bd;
 350         opinfo.boi_txn = ltid;
 351         opinfo.boi_locker = locker;
 352         opinfo.boi_err = 0;
 353         opinfo.boi_acl_cache = op->o_do_not_cache;
 354         op->o_private = &opinfo;
 355
 356         /* get entry or ancestor */
 357         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 358                 locker, &lock );
 359
 360         if ( rs->sr_err != 0 ) {
 361                 Debug( LDAP_DEBUG_TRACE,
 362                         LDAP_XSTRING(bdb_modify) ": dn2entry failed (%d)\n",
 363                         rs->sr_err, 0, 0 );
 364                 switch( rs->sr_err ) {
 365                 case DB_LOCK_DEADLOCK:
 366                 case DB_LOCK_NOTGRANTED:
 367                         goto retry;
 368                 case DB_NOTFOUND:
 369                         if ( BER_BVISEMPTY( &op->o_req_ndn )) {
 370                                 struct berval gluebv = BER_BVC("glue");
 371                                 e = ch_calloc( 1, sizeof(Entry));
 372                                 e->e_name.bv_val = ch_strdup( "" );
 373                                 ber_dupbv( &e->e_nname, &e->e_name );
 374                                 attr_merge_one( e, slap_schema.si_ad_objectClass,
 375                                         &gluebv, NULL );
 376                                 attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
 377                                         &gluebv, NULL );
 378                                 e->e_private = ei;
 379                                 fakeroot = 1;
 380                                 rs->sr_err = 0;
 381                         }
 382                         break;
 383                 case LDAP_BUSY:
 384                         rs->sr_text = "ldap server busy";
 385                         goto return_results;
 386                 default:
 387                         rs->sr_err = LDAP_OTHER;
 388                         rs->sr_text = "internal error";
 389                         goto return_results;
 390                 }
 391         }
 392
 393         if ( !fakeroot ) {
 394                 e = ei->bei_e;
 395         }
 396
 397         /* acquire and lock entry */
 398         /* FIXME: dn2entry() should return non-glue entry */
 399         if (( rs->sr_err == DB_NOTFOUND ) ||
 400                 ( !manageDSAit && e && is_entry_glue( e )))
 401         {
 402                 if ( e != NULL ) {
 403                         rs->sr_matched = ch_strdup( e->e_dn );
 404                         rs->sr_ref = is_entry_referral( e )
 405                                 ? get_entry_referrals( op, e )
 406                                 : NULL;
 407                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 408                         e = NULL;
 409
 410                 } else {
 411                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 412                                 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 413                 }
 414
 415                 rs->sr_err = LDAP_REFERRAL;
 416                 send_ldap_result( op, rs );
 417
 418                 if ( rs->sr_ref != default_referral ) {
 419                         ber_bvarray_free( rs->sr_ref );
 420                 }
 421                 free( (char *)rs->sr_matched );
 422                 rs->sr_ref = NULL;
 423                 rs->sr_matched = NULL;
 424
 425                 goto done;
 426         }
 427
 428         if ( !manageDSAit && is_entry_referral( e ) ) {
 429                 /* entry is a referral, don't allow modify */
 430                 rs->sr_ref = get_entry_referrals( op, e );
 431
 432                 Debug( LDAP_DEBUG_TRACE,
 433                         LDAP_XSTRING(bdb_modify) ": entry is referral\n",
 434                         0, 0, 0 );
 435
 436                 rs->sr_err = LDAP_REFERRAL;
 437                 rs->sr_matched = e->e_name.bv_val;
 438                 send_ldap_result( op, rs );
 439
 440                 ber_bvarray_free( rs->sr_ref );
 441                 rs->sr_ref = NULL;
 442                 rs->sr_matched = NULL;
 443                 goto done;
 444         }
 445
 446         if ( get_assert( op ) &&
 447                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 448         {
 449                 rs->sr_err = LDAP_ASSERTION_FAILED;
 450                 goto return_results;
 451         }
 452
 453         if( op->o_preread ) {
 454                 if( preread_ctrl == NULL ) {
 455                         preread_ctrl = &ctrls[num_ctrls++];
 456                         ctrls[num_ctrls] = NULL;
 457                 }
 458                 if ( slap_read_controls( op, rs, e,
 459                         &slap_pre_read_bv, preread_ctrl ) )
 460                 {
 461                         Debug( LDAP_DEBUG_TRACE,
 462                                 "<=- " LDAP_XSTRING(bdb_modify) ": pre-read failed!\n",
 463                                 0, 0, 0 );
 464                         goto return_results;
 465                 }
 466         }
 467
 468         /* nested transaction */
 469         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
 470         rs->sr_text = NULL;
 471         if( rs->sr_err != 0 ) {
 472                 Debug( LDAP_DEBUG_TRACE,
 473                         LDAP_XSTRING(bdb_modify) ": txn_begin(2) failed: " "%s (%d)\n",
 474                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 475                 rs->sr_err = LDAP_OTHER;
 476                 rs->sr_text = "internal error";
 477                 goto return_results;
 478         }
 479         /* Modify the entry */
 480         dummy = *e;
 481         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 482                 &dummy, &rs->sr_text, textbuf, textlen );
 483
 484         if( rs->sr_err != LDAP_SUCCESS ) {
 485                 Debug( LDAP_DEBUG_TRACE,
 486                         LDAP_XSTRING(bdb_modify) ": modify failed (%d)\n",
 487                         rs->sr_err, 0, 0 );
 488                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 489                         rs->sr_err = opinfo.boi_err;
 490                 }
 491                 /* Only free attrs if they were dup'd.  */
 492                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 493                 switch( rs->sr_err ) {
 494                 case DB_LOCK_DEADLOCK:
 495                 case DB_LOCK_NOTGRANTED:
 496                         goto retry;
 497                 }
 498                 goto return_results;
 499         }
 500
 501         /* change the entry itself */
 502         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 503         if ( rs->sr_err != 0 ) {
 504                 Debug( LDAP_DEBUG_TRACE,
 505                         LDAP_XSTRING(bdb_modify) ": id2entry update failed " "(%d)\n",
 506                         rs->sr_err, 0, 0 );
 507                 switch( rs->sr_err ) {
 508                 case DB_LOCK_DEADLOCK:
 509                 case DB_LOCK_NOTGRANTED:
 510                         goto retry;
 511                 }
 512                 rs->sr_text = "entry update failed";
 513                 goto return_results;
 514         }
 515
 516         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 517                 rs->sr_err = LDAP_OTHER;
 518                 rs->sr_text = "txn_commit(2) failed";
 519                 goto return_results;
 520         }
 521
 522         if( op->o_postread ) {
 523                 if( postread_ctrl == NULL ) {
 524                         postread_ctrl = &ctrls[num_ctrls++];
 525                         ctrls[num_ctrls] = NULL;
 526                 }
 527                 if( slap_read_controls( op, rs, &dummy,
 528                         &slap_post_read_bv, postread_ctrl ) )
 529                 {
 530                         Debug( LDAP_DEBUG_TRACE,
 531                                 "<=- " LDAP_XSTRING(bdb_modify)
 532                                 ": post-read failed!\n", 0, 0, 0 );
 533                         goto return_results;
 534                 }
 535         }
 536
 537         if( op->o_noop ) {
 538                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 539                         rs->sr_text = "txn_abort (no-op) failed";
 540                 } else {
 541                         rs->sr_err = LDAP_X_NO_OPERATION;
 542                         ltid = NULL;
 543                         goto return_results;
 544                 }
 545         } else {
 546                 /* may have changed in bdb_modify_internal() */
 547                 e->e_ocflags = dummy.e_ocflags;
 548                 if ( fakeroot ) {
 549                         e->e_private = NULL;
 550                         entry_free( e );
 551                         e = NULL;
 552                         attrs_free( dummy.e_attrs );
 553
 554                 } else {
 555                         rc = bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 556                         switch( rc ) {
 557                         case DB_LOCK_DEADLOCK:
 558                         case DB_LOCK_NOTGRANTED:
 559                                 goto retry;
 560                         }
 561                 }
 562                 dummy.e_attrs = NULL;
 563
 564                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 565         }
 566         ltid = NULL;
 567         op->o_private = NULL;
 568
 569         if( rs->sr_err != 0 ) {
 570                 Debug( LDAP_DEBUG_TRACE,
 571                         LDAP_XSTRING(bdb_modify) ": txn_%s failed: %s (%d)\n",
 572                         op->o_noop ? "abort (no-op)" : "commit",
 573                         db_strerror(rs->sr_err), rs->sr_err );
 574                 rs->sr_err = LDAP_OTHER;
 575                 rs->sr_text = "commit failed";
 576
 577                 goto return_results;
 578         }
 579
 580         Debug( LDAP_DEBUG_TRACE,
 581                 LDAP_XSTRING(bdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
 582                 op->o_noop ? " (no-op)" : "",
 583                 dummy.e_id, op->o_req_dn.bv_val );
 584
 585         rs->sr_err = LDAP_SUCCESS;
 586         rs->sr_text = NULL;
 587         if( num_ctrls ) rs->sr_ctrls = ctrls;
 588
 589 return_results:
 590         if( dummy.e_attrs ) {
 591                 attrs_free( dummy.e_attrs );
 592         }
 593         send_ldap_result( op, rs );
 594         if ( !SLAP_SHADOW( op->o_bd ))
 595                 slap_graduate_commit_csn( op );
 596
 597         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 598                 ldap_pvt_thread_yield();
 599                 TXN_CHECKPOINT( bdb->bi_dbenv,
 600                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 601         }
 602
 603 done:
 604         if( ltid != NULL ) {
 605                 TXN_ABORT( ltid );
 606         }
 607         op->o_private = NULL;
 608
 609         if( e != NULL ) {
 610                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 611         }
 612
 613         if( preread_ctrl != NULL ) {
 614                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 615                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 616         }
 617         if( postread_ctrl != NULL ) {
 618                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 619                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 620         }
 621         return rs->sr_err;
 622 }