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

   1 /* OpenLDAP WiredTiger backend */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2002-2015 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 /* ACKNOWLEDGEMENTS:
  17  * This work was developed by HAMANO Tsukasa <hamano@osstech.co.jp>
  18  * based on back-bdb for inclusion in OpenLDAP Software.
  19  * WiredTiger is a product of MongoDB Inc.
  20  */
  21 #include "portable.h"
  22
  23 #include <stdio.h>
  24 #include "back-wt.h"
  25 #include "config.h"
  26
  27 static struct berval scbva[] = {
  28         BER_BVC("glue"),
  29         BER_BVNULL
  30 };
  31
  32 static void
  33 wt_modify_idxflags(
  34         Operation *op,
  35         AttributeDescription *desc,
  36         int got_delete,
  37         Attribute *newattrs,
  38         Attribute *oldattrs )
  39 {
  40         struct berval   ix_at;
  41         AttrInfo        *ai;
  42
  43         /* check if modified attribute was indexed
  44          * but not in case of NOOP... */
  45         ai = wt_index_mask( op->o_bd, desc, &ix_at );
  46         if ( ai ) {
  47                 if ( got_delete ) {
  48                         Attribute       *ap;
  49                         struct berval   ix2;
  50
  51                         ap = attr_find( oldattrs, desc );
  52                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
  53
  54                         /* Find all other attrs that index to same slot */
  55                         for ( ap = newattrs; ap; ap = ap->a_next ) {
  56                                 ai = wt_index_mask( op->o_bd, ap->a_desc, &ix2 );
  57                                 if ( ai && ix2.bv_val == ix_at.bv_val )
  58                                         ap->a_flags |= SLAP_ATTR_IXADD;
  59                         }
  60
  61                 } else {
  62                         Attribute       *ap;
  63
  64                         ap = attr_find( newattrs, desc );
  65                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
  66                 }
  67         }
  68 }
  69
  70 int wt_modify_internal(
  71         Operation *op,
  72         wt_ctx *wc,
  73         Modifications *modlist,
  74         Entry *e,
  75         const char **text,
  76         char *textbuf,
  77         size_t textlen )
  78 {
  79         int rc, err;
  80         Modification    *mod;
  81         Modifications   *ml;
  82         Attribute       *save_attrs;
  83         Attribute       *ap;
  84         int                     glue_attr_delete = 0;
  85         int                     got_delete;
  86
  87         Debug( LDAP_DEBUG_TRACE, "wt_modify_internal: 0x%08lx: %s\n",
  88                    e->e_id, e->e_dn, 0);
  89
  90         if ( !acl_check_modlist( op, e, modlist )) {
  91                 return LDAP_INSUFFICIENT_ACCESS;
  92         }
  93
  94         /* save_attrs will be disposed of by caller */
  95         save_attrs = e->e_attrs;
  96         e->e_attrs = attrs_dup( e->e_attrs );
  97
  98         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  99                 int match;
 100                 mod = &ml->sml_mod;
 101                 switch( mod->sm_op ) {
 102                 case LDAP_MOD_ADD:
 103                 case LDAP_MOD_REPLACE:
 104                         if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
 105                                 value_match( &match, slap_schema.si_ad_structuralObjectClass,
 106                                         slap_schema.si_ad_structuralObjectClass->
 107                                                 ad_type->sat_equality,
 108                                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
 109                                         &mod->sm_values[0], &scbva[0], text );
 110                                 if ( !match ) glue_attr_delete = 1;
 111                         }
 112                 }
 113                 if ( glue_attr_delete )
 114                         break;
 115         }
 116
 117         if ( glue_attr_delete ) {
 118                 Attribute       **app = &e->e_attrs;
 119                 while ( *app != NULL ) {
 120                         if ( !is_at_operational( (*app)->a_desc->ad_type )) {
 121                                 Attribute *save = *app;
 122                                 *app = (*app)->a_next;
 123                                 attr_free( save );
 124                                 continue;
 125                         }
 126                         app = &(*app)->a_next;
 127                 }
 128         }
 129
 130         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
 131                 mod = &ml->sml_mod;
 132                 got_delete = 0;
 133
 134                 switch ( mod->sm_op ) {
 135                 case LDAP_MOD_ADD:
 136                         Debug(LDAP_DEBUG_ARGS,
 137                                   "wt_modify_internal: add %s\n",
 138                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 139                         err = modify_add_values( e, mod, get_permissiveModify(op),
 140                                                                          text, textbuf, textlen );
 141                         if( err != LDAP_SUCCESS ) {
 142                                 Debug(LDAP_DEBUG_ARGS, "wt_modify_internal: %d %s\n",
 143                                           err, *text, 0);
 144                         }
 145                         break;
 146
 147                 case LDAP_MOD_DELETE:
 148                         if ( glue_attr_delete ) {
 149                                 err = LDAP_SUCCESS;
 150                                 break;
 151                         }
 152
 153                         Debug(LDAP_DEBUG_ARGS,
 154                                   "wt_modify_internal: delete %s\n",
 155                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 156                         err = modify_delete_values( e, mod, get_permissiveModify(op),
 157                                                                                 text, textbuf, textlen );
 158                         if( err != LDAP_SUCCESS ) {
 159                                 Debug(LDAP_DEBUG_ARGS,
 160                                           "wt_modify_internal: %d %s\n", err, *text, 0);
 161                         } else {
 162                                 got_delete = 1;
 163                         }
 164                         break;
 165
 166                 case LDAP_MOD_REPLACE:
 167                         Debug(LDAP_DEBUG_ARGS,
 168                                   "wt_modify_internal: replace %s\n",
 169                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 170                         err = modify_replace_values( e, mod, get_permissiveModify(op),
 171                                                                                  text, textbuf, textlen );
 172                         if( err != LDAP_SUCCESS ) {
 173                                 Debug(LDAP_DEBUG_ARGS,
 174                                           "wt_modify_internal: %d %s\n", err, *text, 0);
 175                         } else {
 176                                 got_delete = 1;
 177                         }
 178                         break;
 179
 180                 case LDAP_MOD_INCREMENT:
 181                         Debug(LDAP_DEBUG_ARGS,
 182                                   "wt_modify_internal: increment %s\n",
 183                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 184                         err = modify_increment_values( e, mod, get_permissiveModify(op),
 185                                                                                    text, textbuf, textlen );
 186                         if( err != LDAP_SUCCESS ) {
 187                                 Debug(LDAP_DEBUG_ARGS,
 188                                           "wt_modify_internal: %d %s\n",
 189                                           err, *text, 0);
 190                         } else {
 191                                 got_delete = 1;
 192                         }
 193                         break;
 194
 195                 case SLAP_MOD_SOFTADD:
 196                         Debug(LDAP_DEBUG_ARGS,
 197                                   "wt_modify_internal: softadd %s\n",
 198                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 199                         /* Avoid problems in index_add_mods()
 200                          * We need to add index if necessary.
 201                          */
 202                         mod->sm_op = LDAP_MOD_ADD;
 203
 204                         err = modify_add_values( e, mod, get_permissiveModify(op),
 205                                 text, textbuf, textlen );
 206
 207                         mod->sm_op = SLAP_MOD_SOFTADD;
 208
 209                         if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 210                                 err = LDAP_SUCCESS;
 211                         }
 212
 213                         if( err != LDAP_SUCCESS ) {
 214                                 Debug(LDAP_DEBUG_ARGS, "wt_modify_internal: %d %s\n",
 215                                         err, *text, 0);
 216                         }
 217                         break;
 218
 219                 case SLAP_MOD_SOFTDEL:
 220                         Debug(LDAP_DEBUG_ARGS,
 221                                   "wt_modify_internal: softdel %s\n",
 222                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 223                         /* Avoid problems in index_delete_mods()
 224                          * We need to add index if necessary.
 225                          */
 226                         mod->sm_op = LDAP_MOD_DELETE;
 227
 228                         err = modify_delete_values( e, mod, get_permissiveModify(op),
 229                                                                                 text, textbuf, textlen );
 230
 231                         mod->sm_op = SLAP_MOD_SOFTDEL;
 232
 233                         if ( err == LDAP_SUCCESS ) {
 234                                 got_delete = 1;
 235                         } else if ( err == LDAP_NO_SUCH_ATTRIBUTE ) {
 236                                 err = LDAP_SUCCESS;
 237                         }
 238
 239                         if( err != LDAP_SUCCESS ) {
 240                                 Debug(LDAP_DEBUG_ARGS, "wt_modify_internal: %d %s\n",
 241                                           err, *text, 0);
 242                         }
 243                         break;
 244
 245                 case SLAP_MOD_ADD_IF_NOT_PRESENT:
 246                         if ( attr_find( e->e_attrs, mod->sm_desc ) != NULL ) {
 247                                 /* skip */
 248                                 err = LDAP_SUCCESS;
 249                                 break;
 250                         }
 251
 252                         Debug(LDAP_DEBUG_ARGS,
 253                                   "wt_modify_internal: add_if_not_present %s\n",
 254                                   mod->sm_desc->ad_cname.bv_val, 0, 0);
 255                         /* Avoid problems in index_add_mods()
 256                          * We need to add index if necessary.
 257                          */
 258                         mod->sm_op = LDAP_MOD_ADD;
 259
 260                         err = modify_add_values( e, mod, get_permissiveModify(op),
 261                                                                          text, textbuf, textlen );
 262
 263                         mod->sm_op = SLAP_MOD_ADD_IF_NOT_PRESENT;
 264
 265                         if( err != LDAP_SUCCESS ) {
 266                                 Debug(LDAP_DEBUG_ARGS, "wt_modify_internal: %d %s\n",
 267                                           err, *text, 0);
 268                         }
 269                         break;
 270
 271                 default:
 272                         Debug(LDAP_DEBUG_ANY, "wt_modify_internal: invalid op %d\n",
 273                                   mod->sm_op, 0, 0);
 274                         *text = "Invalid modify operation";
 275                         err = LDAP_OTHER;
 276                         Debug(LDAP_DEBUG_ARGS, "wt_modify_internal: %d %s\n",
 277                                   err, *text, 0);
 278                 }
 279
 280                 if ( err != LDAP_SUCCESS ) {
 281                         attrs_free( e->e_attrs );
 282                         e->e_attrs = save_attrs;
 283                         /* unlock entry, delete from cache */
 284                         return err;
 285                 }
 286
 287                 /* If objectClass was modified, reset the flags */
 288                 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
 289                         e->e_ocflags = 0;
 290                 }
 291
 292                 if ( glue_attr_delete ) e->e_ocflags = 0;
 293
 294
 295                 /* check if modified attribute was indexed
 296                  * but not in case of NOOP... */
 297                 if ( !op->o_noop ) {
 298                         wt_modify_idxflags( op, mod->sm_desc, got_delete, e->e_attrs, save_attrs );
 299                 }
 300
 301         }
 302
 303         /* check that the entry still obeys the schema */
 304         ap = NULL;
 305         rc = entry_schema_check( op, e, save_attrs, get_relax(op), 0, &ap,
 306                 text, textbuf, textlen );
 307         if ( rc != LDAP_SUCCESS || op->o_noop ) {
 308                 attrs_free( e->e_attrs );
 309                 /* clear the indexing flags */
 310                 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 311                         ap->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL);
 312                 }
 313                 e->e_attrs = save_attrs;
 314
 315                 if ( rc != LDAP_SUCCESS ) {
 316                         Debug( LDAP_DEBUG_ANY,
 317                                 "entry failed schema check: %s\n",
 318                                 *text, 0, 0 );
 319                 }
 320
 321                 /* if NOOP then silently revert to saved attrs */
 322                 return rc;
 323         }
 324
 325         /* structuralObjectClass modified! */
 326         if ( ap ) {
 327                 assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass );
 328                 if ( !op->o_noop ) {
 329                         wt_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass,
 330                                                                 1, e->e_attrs, save_attrs );
 331                 }
 332         }
 333
 334         /* update the indices of the modified attributes */
 335
 336         /* start with deleting the old index entries */
 337         for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 338                 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
 339                         struct berval *vals;
 340                         Attribute *a2;
 341                         ap->a_flags &= ~SLAP_ATTR_IXDEL;
 342                         a2 = attr_find( e->e_attrs, ap->a_desc );
 343                         if ( a2 ) {
 344                                 /* need to detect which values were deleted */
 345                                 int i, j;
 346                                 /* let add know there were deletes */
 347                                 if ( a2->a_flags & SLAP_ATTR_IXADD )
 348                                         a2->a_flags |= SLAP_ATTR_IXDEL;
 349                                 vals = op->o_tmpalloc( (ap->a_numvals + 1) *
 350                                         sizeof(struct berval), op->o_tmpmemctx );
 351                                 j = 0;
 352                                 for ( i=0; i < ap->a_numvals; i++ ) {
 353                                         rc = attr_valfind( a2, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
 354                                                 &ap->a_nvals[i], NULL, op->o_tmpmemctx );
 355                                         /* Save deleted values */
 356                                         if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
 357                                                 vals[j++] = ap->a_nvals[i];
 358                                 }
 359                                 BER_BVZERO(vals+j);
 360                         } else {
 361                                 /* attribute was completely deleted */
 362                                 vals = ap->a_nvals;
 363                         }
 364                         rc = 0;
 365                         if ( !BER_BVISNULL( vals )) {
 366                                 rc = wt_index_values( op, wc, ap->a_desc,
 367                                                                           vals, e->e_id, SLAP_INDEX_DELETE_OP );
 368                                 if ( rc != LDAP_SUCCESS ) {
 369                                         Debug( LDAP_DEBUG_ANY,
 370                                                    "%s: attribute \"%s\" index delete failure\n",
 371                                                    op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
 372                                         attrs_free( e->e_attrs );
 373                                         e->e_attrs = save_attrs;
 374                                 }
 375                         }
 376                         if ( vals != ap->a_nvals )
 377                                 op->o_tmpfree( vals, op->o_tmpmemctx );
 378                         if ( rc ) return rc;
 379                 }
 380         }
 381
 382         /* add the new index entries */
 383         for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
 384                 if (ap->a_flags & SLAP_ATTR_IXADD) {
 385                         ap->a_flags &= ~SLAP_ATTR_IXADD;
 386                         if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
 387                                 /* if any values were deleted, we must readd index
 388                                  * for all remaining values.
 389                                  */
 390                                 ap->a_flags &= ~SLAP_ATTR_IXDEL;
 391                                 rc = wt_index_values( op, wc, ap->a_desc, ap->a_nvals,
 392                                                                           e->e_id, SLAP_INDEX_ADD_OP );
 393                         } else {
 394                                 int found = 0;
 395                                 /* if this was only an add, we only need to index
 396                                  * the added values.
 397                                  */
 398                                 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
 399                                         struct berval *vals;
 400                                         if ( ml->sml_desc != ap->a_desc || !ml->sml_numvals )
 401                                                 continue;
 402                                         found = 1;
 403                                         switch( ml->sml_op ) {
 404                                         case LDAP_MOD_ADD:
 405                                         case LDAP_MOD_REPLACE:
 406                                         case LDAP_MOD_INCREMENT:
 407                                         case SLAP_MOD_SOFTADD:
 408                                         case SLAP_MOD_ADD_IF_NOT_PRESENT:
 409                                                 if ( ml->sml_op == LDAP_MOD_INCREMENT )
 410                                                         vals = ap->a_nvals;
 411                                                 else if ( ml->sml_nvalues )
 412                                                         vals = ml->sml_nvalues;
 413                                                 else
 414                                                         vals = ml->sml_values;
 415                                                 rc = wt_index_values( op, wc, ap->a_desc,
 416                                                                                           vals, e->e_id, SLAP_INDEX_ADD_OP );
 417                                                 break;
 418                                         }
 419                                         if ( rc )
 420                                                 break;
 421                                 }
 422                                 /* This attr was affected by a modify of a subtype, so
 423                                  * there was no direct match in the modlist. Just readd
 424                                  * all of its values.
 425                                  */
 426                                 if ( !found ) {
 427                                         rc = wt_index_values( op, wc, ap->a_desc, ap->a_nvals,
 428                                                                                   e->e_id, SLAP_INDEX_ADD_OP );
 429                                 }
 430                         }
 431                         if ( rc != LDAP_SUCCESS ) {
 432                                 Debug( LDAP_DEBUG_ANY,
 433                                        "%s: attribute \"%s\" index add failure\n",
 434                                            op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
 435                                 attrs_free( e->e_attrs );
 436                                 e->e_attrs = save_attrs;
 437                                 return rc;
 438                         }
 439                 }
 440         }
 441
 442         return rc;
 443 }
 444
 445 int
 446 wt_modify( Operation *op, SlapReply *rs )
 447 {
 448         struct wt_info *wi = (struct wt_info *) op->o_bd->be_private;
 449         wt_ctx *wc = NULL;
 450         Entry           *e = NULL;
 451         int             manageDSAit = get_manageDSAit( op );
 452         char textbuf[SLAP_TEXT_BUFLEN];
 453         size_t textlen = sizeof textbuf;
 454         Entry           dummy = {0};
 455
 456         LDAPControl **preread_ctrl = NULL;
 457         LDAPControl **postread_ctrl = NULL;
 458         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 459         int num_ctrls = 0;
 460
 461         int rc;
 462
 463         Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(wt_modify) ": %s\n",
 464                    op->o_req_dn.bv_val, 0, 0 );
 465
 466 #ifdef LDAP_X_TXN
 467         if( op->o_txnSpec && txn_preop( op, rs ))
 468                 return rs->sr_err;
 469 #endif
 470
 471         ctrls[num_ctrls] = NULL;
 472
 473         wc = wt_ctx_get(op, wi);
 474         if( !wc ){
 475         Debug( LDAP_DEBUG_ANY,
 476                            LDAP_XSTRING(wt_add)
 477                            ": wt_ctx_get failed\n",
 478                            0, 0, 0 );
 479                 rs->sr_err = LDAP_OTHER;
 480                 rs->sr_text = "internal error";
 481         send_ldap_result( op, rs );
 482         return rs->sr_err;
 483         }
 484
 485         /* Don't touch the opattrs, if this is a contextCSN update
 486          * initiated from updatedn */
 487         if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next ||
 488                  op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) {
 489
 490                 slap_mods_opattrs( op, &op->orm_modlist, 1 );
 491         }
 492
 493         /* get entry */
 494         rc = wt_dn2entry(op->o_bd, wc, &op->o_req_ndn, &e);
 495         switch( rc ) {
 496         case 0:
 497                 break;
 498         case WT_NOTFOUND:
 499                 Debug( LDAP_DEBUG_ARGS,
 500                            "<== " LDAP_XSTRING(wt_delete)
 501                            ": no such object %s\n",
 502                            op->o_req_dn.bv_val, 0, 0);
 503                 /* TODO: lookup referrals */
 504                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
 505                 goto return_results;
 506         default:
 507                 Debug( LDAP_DEBUG_ANY,
 508                            LDAP_XSTRING(wt_modify)
 509                            ": wt_dn2entry failed (%d)\n",
 510                            rc, 0, 0 );
 511                 rs->sr_err = LDAP_OTHER;
 512                 rs->sr_text = "internal error";
 513                 goto return_results;
 514         }
 515
 516         if ( !manageDSAit && is_entry_referral( e ) ) {
 517                 /* entry is a referral, don't allow modify */
 518                 rs->sr_ref = get_entry_referrals( op, e );
 519
 520                 Debug( LDAP_DEBUG_TRACE,
 521                            LDAP_XSTRING(wt_modify) ": entry is referral\n",
 522                            0, 0, 0 );
 523
 524                 rs->sr_err = LDAP_REFERRAL;
 525                 rs->sr_matched = e->e_name.bv_val;
 526                 rs->sr_flags = REP_REF_MUSTBEFREED;
 527                 send_ldap_result( op, rs );
 528                 rs->sr_matched = NULL;
 529                 goto done;
 530         }
 531
 532         if ( get_assert( op ) &&
 533                  ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 534         {
 535                 rs->sr_err = LDAP_ASSERTION_FAILED;
 536                 goto return_results;
 537         }
 538
 539         if( op->o_preread ) {
 540                 if( preread_ctrl == NULL ) {
 541                         preread_ctrl = &ctrls[num_ctrls++];
 542                         ctrls[num_ctrls] = NULL;
 543                 }
 544                 if ( slap_read_controls( op, rs, e,
 545                         &slap_pre_read_bv, preread_ctrl ) )
 546                 {
 547                         Debug( LDAP_DEBUG_TRACE,
 548                                 "<=- " LDAP_XSTRING(wt_modify) ": pre-read "
 549                                 "failed!\n", 0, 0, 0 );
 550                         if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
 551                                 /* FIXME: is it correct to abort
 552                                  * operation if control fails? */
 553                                 goto return_results;
 554                         }
 555                 }
 556         }
 557
 558         /* begin transaction */
 559         rc = wc->session->begin_transaction(wc->session, NULL);
 560         if( rc ) {
 561                 Debug( LDAP_DEBUG_TRACE,
 562                            LDAP_XSTRING(wt_add) ": begin_transaction failed: %s (%d)\n",
 563                            wiredtiger_strerror(rc), rc, 0 );
 564                 rs->sr_err = LDAP_OTHER;
 565                 rs->sr_text = "begin_transaction failed";
 566                 goto return_results;
 567         }
 568         Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(wt_modify) ": session id: %p\n",
 569                    wc->session, 0, 0 );
 570
 571         /* Modify the entry */
 572         dummy = *e;
 573         rs->sr_err = wt_modify_internal( op, wc, op->orm_modlist,
 574                                                                          &dummy, &rs->sr_text, textbuf, textlen );
 575         if( rs->sr_err != LDAP_SUCCESS ) {
 576                 Debug( LDAP_DEBUG_TRACE,
 577                            LDAP_XSTRING(wt_modify) ": modify failed (%d)\n",
 578                            rs->sr_err, 0, 0 );
 579                 /* Only free attrs if they were dup'd.  */
 580                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 581                 goto return_results;
 582         }
 583
 584         /* change the entry itself */
 585         rs->sr_err = wt_id2entry_update( op, wc->session, &dummy );
 586         if ( rs->sr_err != 0 ) {
 587                 Debug( LDAP_DEBUG_TRACE,
 588                            LDAP_XSTRING(wt_modify) ": id2entry update failed " "(%d)\n",
 589                            rs->sr_err, 0, 0 );
 590                 if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ) {
 591                         rs->sr_text = "entry too big";
 592                 } else {
 593                         rs->sr_err = LDAP_OTHER;
 594                         rs->sr_text = "entry update failed";
 595                 }
 596                 goto return_results;
 597         }
 598
 599         if( op->o_noop ) {
 600                 wc->session->rollback_transaction(wc->session, NULL);
 601                 rs->sr_err = LDAP_X_NO_OPERATION;
 602                 goto return_results;
 603         }
 604
 605         /* Only free attrs if they were dup'd.  */
 606         if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 607
 608         rc = wc->session->commit_transaction(wc->session, NULL);
 609         if( rc ) {
 610                 Debug( LDAP_DEBUG_TRACE,
 611                            "<== " LDAP_XSTRING(wt_modify)
 612                            ": commit failed: %s (%d)\n",
 613                            wiredtiger_strerror(rc), rc, 0 );
 614                 rs->sr_err = LDAP_OTHER;
 615                 rs->sr_text = "commit failed";
 616                 goto return_results;
 617         }
 618
 619         Debug( LDAP_DEBUG_TRACE,
 620                    LDAP_XSTRING(wt_modify) ": updated%s id=%08lx dn=\"%s\"\n",
 621                    op->o_noop ? " (no-op)" : "",
 622                    dummy.e_id, op->o_req_dn.bv_val );
 623
 624         if( op->o_postread ) {
 625                 if( postread_ctrl == NULL ) {
 626                         postread_ctrl = &ctrls[num_ctrls++];
 627                         ctrls[num_ctrls] = NULL;
 628                 }
 629                 if( slap_read_controls( op, rs, &dummy,
 630                                                                 &slap_post_read_bv, postread_ctrl ) )
 631                 {
 632                         Debug( LDAP_DEBUG_TRACE,
 633                                    "<=- " LDAP_XSTRING(wt_modify)
 634                                    ": post-read failed!\n", 0, 0, 0 );
 635                         if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
 636                                 /* FIXME: is it correct to abort
 637                                  * operation if control fails? */
 638                                 goto return_results;
 639                         }
 640                 }
 641         }
 642         if( num_ctrls ) rs->sr_ctrls = ctrls;
 643
 644         rs->sr_err = LDAP_SUCCESS;
 645         rs->sr_text = NULL;
 646
 647 return_results:
 648         if( dummy.e_attrs ) {
 649                 attrs_free( dummy.e_attrs );
 650         }
 651         send_ldap_result( op, rs );
 652
 653 done:
 654         slap_graduate_commit_csn( op );
 655
 656         if( e != NULL ) {
 657                 wt_entry_return( e );
 658         }
 659
 660         if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
 661                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 662                 slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
 663         }
 664         if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
 665                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
 666                 slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
 667         }
 668
 669         rs->sr_text = NULL;
 670
 671         return rs->sr_err;
 672 }
 673
 674 /*
 675  * Local variables:
 676  * indent-tabs-mode: t
 677  * tab-width: 4
 678  * c-basic-offset: 4
 679  * End:
 680  */