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 2000-2006 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 #ifdef LDAP_X_TXN
 297         int settle = 0;
 298 #endif
 299
 300         Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n",
 301                 op->o_req_dn.bv_val, 0, 0 );
 302
 303 #ifdef LDAP_X_TXN
 304         if( op->o_txnSpec ) {
 305                 /* acquire connection lock */
 306                 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
 307                 if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
 308                         rs->sr_text = "invalid transaction identifier";
 309                         rs->sr_err = LDAP_X_TXN_ID_INVALID;
 310                         goto txnReturn;
 311                 } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
 312                         settle=1;
 313                         goto txnReturn;
 314                 }
 315
 316                 if( op->o_conn->c_txn_backend == NULL ) {
 317                         op->o_conn->c_txn_backend = op->o_bd;
 318
 319                 } else if( op->o_conn->c_txn_backend != op->o_bd ) {
 320                         rs->sr_text = "transaction cannot span multiple database contexts";
 321                         rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
 322                         goto txnReturn;
 323                 }
 324
 325                 /* insert operation into transaction */
 326
 327                 rs->sr_text = "transaction specified";
 328                 rs->sr_err = LDAP_SUCCESS;
 329
 330 txnReturn:
 331                 /* release connection lock */
 332                 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
 333
 334                 if( !settle ) {
 335                         send_ldap_result( op, rs );
 336                         return rs->sr_err;
 337                 }
 338         }
 339 #endif
 340
 341         ctrls[num_ctrls] = NULL;
 342
 343         slap_mods_opattrs( op, &op->orm_modlist, 1 );
 344
 345         if( 0 ) {
 346 retry:  /* transaction retry */
 347                 if ( dummy.e_attrs ) {
 348                         attrs_free( dummy.e_attrs );
 349                         dummy.e_attrs = NULL;
 350                 }
 351                 if( e != NULL ) {
 352                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 353                         e = NULL;
 354                 }
 355                 Debug(LDAP_DEBUG_TRACE,
 356                         LDAP_XSTRING(bdb_modify) ": retrying...\n", 0, 0, 0);
 357
 358                 rs->sr_err = TXN_ABORT( ltid );
 359                 ltid = NULL;
 360                 op->o_private = NULL;
 361                 op->o_do_not_cache = opinfo.boi_acl_cache;
 362                 if( rs->sr_err != 0 ) {
 363                         rs->sr_err = LDAP_OTHER;
 364                         rs->sr_text = "internal error";
 365                         goto return_results;
 366                 }
 367                 if ( op->o_abandon ) {
 368                         rs->sr_err = SLAPD_ABANDON;
 369                         goto return_results;
 370                 }
 371                 bdb_trans_backoff( ++num_retries );
 372         }
 373
 374         /* begin transaction */
 375         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 376                 bdb->bi_db_opflags );
 377         rs->sr_text = NULL;
 378         if( rs->sr_err != 0 ) {
 379                 Debug( LDAP_DEBUG_TRACE,
 380                         LDAP_XSTRING(bdb_modify) ": txn_begin failed: "
 381                         "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 382                 rs->sr_err = LDAP_OTHER;
 383                 rs->sr_text = "internal error";
 384                 goto return_results;
 385         }
 386
 387         locker = TXN_ID ( ltid );
 388
 389         opinfo.boi_bdb = op->o_bd;
 390         opinfo.boi_txn = ltid;
 391         opinfo.boi_locker = locker;
 392         opinfo.boi_err = 0;
 393         opinfo.boi_acl_cache = op->o_do_not_cache;
 394         op->o_private = &opinfo;
 395
 396         /* get entry or ancestor */
 397         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 398                 locker, &lock );
 399
 400         if ( rs->sr_err != 0 ) {
 401                 Debug( LDAP_DEBUG_TRACE,
 402                         LDAP_XSTRING(bdb_modify) ": dn2entry failed (%d)\n",
 403                         rs->sr_err, 0, 0 );
 404                 switch( rs->sr_err ) {
 405                 case DB_LOCK_DEADLOCK:
 406                 case DB_LOCK_NOTGRANTED:
 407                         goto retry;
 408                 case DB_NOTFOUND:
 409                         if ( BER_BVISEMPTY( &op->o_req_ndn )) {
 410                                 struct berval gluebv = BER_BVC("glue");
 411                                 e = ch_calloc( 1, sizeof(Entry));
 412                                 e->e_name.bv_val = ch_strdup( "" );
 413                                 ber_dupbv( &e->e_nname, &e->e_name );
 414                                 attr_merge_one( e, slap_schema.si_ad_objectClass,
 415                                         &gluebv, NULL );
 416                                 attr_merge_one( e, slap_schema.si_ad_structuralObjectClass,
 417                                         &gluebv, NULL );
 418                                 e->e_private = ei;
 419                                 fakeroot = 1;
 420                                 rs->sr_err = 0;
 421                         }
 422                         break;
 423                 case LDAP_BUSY:
 424                         rs->sr_text = "ldap server busy";
 425                         goto return_results;
 426                 default:
 427                         rs->sr_err = LDAP_OTHER;
 428                         rs->sr_text = "internal error";
 429                         goto return_results;
 430                 }
 431         }
 432
 433         if ( !fakeroot ) {
 434                 e = ei->bei_e;
 435         }
 436
 437         /* acquire and lock entry */
 438         /* FIXME: dn2entry() should return non-glue entry */
 439         if (( rs->sr_err == DB_NOTFOUND ) ||
 440                 ( !manageDSAit && e && is_entry_glue( e )))
 441         {
 442                 if ( e != NULL ) {
 443                         rs->sr_matched = ch_strdup( e->e_dn );
 444                         rs->sr_ref = is_entry_referral( e )
 445                                 ? get_entry_referrals( op, e )
 446                                 : NULL;
 447                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 448                         e = NULL;
 449
 450                 } else {
 451                         rs->sr_ref = referral_rewrite( default_referral, NULL,
 452                                 &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 453                 }
 454
 455                 rs->sr_err = LDAP_REFERRAL;
 456                 send_ldap_result( op, rs );
 457
 458                 if ( rs->sr_ref != default_referral ) {
 459                         ber_bvarray_free( rs->sr_ref );
 460                 }
 461                 free( (char *)rs->sr_matched );
 462                 rs->sr_ref = NULL;
 463                 rs->sr_matched = NULL;
 464
 465                 goto done;
 466         }
 467
 468         if ( !manageDSAit && is_entry_referral( e ) ) {
 469                 /* entry is a referral, don't allow modify */
 470                 rs->sr_ref = get_entry_referrals( op, e );
 471
 472                 Debug( LDAP_DEBUG_TRACE,
 473                         LDAP_XSTRING(bdb_modify) ": entry is referral\n",
 474                         0, 0, 0 );
 475
 476                 rs->sr_err = LDAP_REFERRAL;
 477                 rs->sr_matched = e->e_name.bv_val;
 478                 send_ldap_result( op, rs );
 479
 480                 ber_bvarray_free( rs->sr_ref );
 481                 rs->sr_ref = NULL;
 482                 rs->sr_matched = NULL;
 483                 goto done;
 484         }
 485
 486         if ( get_assert( op ) &&
 487                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 488         {
 489                 rs->sr_err = LDAP_ASSERTION_FAILED;
 490                 goto return_results;
 491         }
 492
 493         if( op->o_preread ) {
 494                 if( preread_ctrl == NULL ) {
 495                         preread_ctrl = &ctrls[num_ctrls++];
 496                         ctrls[num_ctrls] = NULL;
 497                 }
 498                 if ( slap_read_controls( op, rs, e,
 499                         &slap_pre_read_bv, preread_ctrl ) )
 500                 {
 501                         Debug( LDAP_DEBUG_TRACE,
 502                                 "<=- " LDAP_XSTRING(bdb_modify) ": pre-read failed!\n",
 503                                 0, 0, 0 );
 504                         goto return_results;
 505                 }
 506         }
 507
 508         /* nested transaction */
 509         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
 510         rs->sr_text = NULL;
 511         if( rs->sr_err != 0 ) {
 512                 Debug( LDAP_DEBUG_TRACE,
 513                         LDAP_XSTRING(bdb_modify) ": txn_begin(2) failed: " "%s (%d)\n",
 514                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 515                 rs->sr_err = LDAP_OTHER;
 516                 rs->sr_text = "internal error";
 517                 goto return_results;
 518         }
 519         /* Modify the entry */
 520         dummy = *e;
 521         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 522                 &dummy, &rs->sr_text, textbuf, textlen );
 523
 524         if( rs->sr_err != LDAP_SUCCESS ) {
 525                 Debug( LDAP_DEBUG_TRACE,
 526                         LDAP_XSTRING(bdb_modify) ": modify failed (%d)\n",
 527                         rs->sr_err, 0, 0 );
 528                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 529                         rs->sr_err = opinfo.boi_err;
 530                 }
 531                 /* Only free attrs if they were dup'd.  */
 532                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 533                 switch( rs->sr_err ) {
 534                 case DB_LOCK_DEADLOCK:
 535                 case DB_LOCK_NOTGRANTED:
 536                         goto retry;
 537                 }
 538                 goto return_results;
 539         }
 540
 541         /* change the entry itself */
 542         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 543         if ( rs->sr_err != 0 ) {
 544                 Debug( LDAP_DEBUG_TRACE,
 545                         LDAP_XSTRING(bdb_modify) ": id2entry update failed " "(%d)\n",
 546                         rs->sr_err, 0, 0 );
 547                 switch( rs->sr_err ) {
 548                 case DB_LOCK_DEADLOCK:
 549                 case DB_LOCK_NOTGRANTED:
 550                         goto retry;
 551                 }
 552                 rs->sr_text = "entry update failed";
 553                 goto return_results;
 554         }
 555
 556         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 557                 rs->sr_err = LDAP_OTHER;
 558                 rs->sr_text = "txn_commit(2) failed";
 559                 goto return_results;
 560         }
 561
 562         if( op->o_postread ) {
 563                 if( postread_ctrl == NULL ) {
 564                         postread_ctrl = &ctrls[num_ctrls++];
 565                         ctrls[num_ctrls] = NULL;
 566                 }
 567                 if( slap_read_controls( op, rs, &dummy,
 568                         &slap_post_read_bv, postread_ctrl ) )
 569                 {
 570                         Debug( LDAP_DEBUG_TRACE,
 571                                 "<=- " LDAP_XSTRING(bdb_modify)
 572                                 ": post-read failed!\n", 0, 0, 0 );
 573                         goto return_results;
 574                 }
 575         }
 576
 577         if( op->o_noop ) {
 578                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 579                         rs->sr_text = "txn_abort (no-op) failed";
 580                 } else {
 581                         rs->sr_err = LDAP_X_NO_OPERATION;
 582                         ltid = NULL;
 583                         goto return_results;
 584                 }
 585         } else {
 586                 /* may have changed in bdb_modify_internal() */
 587                 e->e_ocflags = dummy.e_ocflags;
 588                 if ( fakeroot ) {
 589                         e->e_private = NULL;
 590                         entry_free( e );
 591                         e = NULL;
 592                         attrs_free( dummy.e_attrs );
 593
 594                 } else {
 595                         rc = bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 596                         switch( rc ) {
 597                         case DB_LOCK_DEADLOCK:
 598                         case DB_LOCK_NOTGRANTED:
 599                                 goto retry;
 600                         }
 601                 }
 602                 dummy.e_attrs = NULL;
 603
 604                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 605         }
 606         ltid = NULL;
 607         op->o_private = NULL;
 608
 609         if( rs->sr_err != 0 ) {
 610                 Debug( LDAP_DEBUG_TRACE,
 611                         LDAP_XSTRING(bdb_modify) ": txn_%s failed: %s (%d)\n",
 612                         op->o_noop ? "abort (no-op)" : "commit",
 613                         db_strerror(rs->sr_err), rs->sr_err );
 614                 rs->sr_err = LDAP_OTHER;
 615                 rs->sr_text = "commit failed";
 616
 617                 goto return_results;
 618         }
 619
 620         Debug( LDAP_DEBUG_TRACE,
 621                 LDAP_XSTRING(bdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
 622                 op->o_noop ? " (no-op)" : "",
 623                 dummy.e_id, op->o_req_dn.bv_val );
 624
 625         rs->sr_err = LDAP_SUCCESS;
 626         rs->sr_text = NULL;
 627         if( num_ctrls ) rs->sr_ctrls = ctrls;
 628
 629 return_results:
 630         if( dummy.e_attrs ) {
 631                 attrs_free( dummy.e_attrs );
 632         }
 633         send_ldap_result( op, rs );
 634
 635         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 636                 TXN_CHECKPOINT( bdb->bi_dbenv,
 637                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 638         }
 639
 640 done:
 641         slap_graduate_commit_csn( op );
 642
 643         if( ltid != NULL ) {
 644                 TXN_ABORT( ltid );
 645         }
 646         op->o_private = NULL;
 647
 648         if( e != NULL ) {
 649                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 650         }
 651
 652         if( preread_ctrl != NULL ) {
 653                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 654                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 655         }
 656         if( postread_ctrl != NULL ) {
 657                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 658                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 659         }
 660         return rs->sr_err;
 661 }