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 2000-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21 #include <ac/time.h>
  22
  23 #include "back-bdb.h"
  24 #include "external.h"
  25
  26 static struct berval scbva[] = {
  27         BER_BVC("glue"),
  28         BER_BVNULL
  29 };
  30
  31 int bdb_modify_internal(
  32         Operation *op,
  33         DB_TXN *tid,
  34         Modifications *modlist,
  35         Entry *e,
  36         const char **text,
  37         char *textbuf,
  38         size_t textlen )
  39 {
  40         int rc, err;
  41         Modification    *mod;
  42         Modifications   *ml;
  43         Attribute       *save_attrs;
  44         Attribute       *ap;
  45         int                     glue_attr_delete = 0;
  46
  47 #ifdef NEW_LOGGING
  48         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
  49                 e->e_id, e->e_dn, 0 );
  50 #else
  51         Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
  52                 e->e_id, e->e_dn, 0);
  53 #endif
  54
  55         if ( !acl_check_modlist( op, e, modlist )) {
  56                 return LDAP_INSUFFICIENT_ACCESS;
  57         }
  58
  59         /* save_attrs will be disposed of by bdb_cache_modify */
  60         save_attrs = e->e_attrs;
  61         e->e_attrs = attrs_dup( e->e_attrs );
  62
  63         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  64                 int match;
  65                 mod = &ml->sml_mod;
  66                 switch( mod->sm_op ) {
  67                 case LDAP_MOD_ADD:
  68                 case LDAP_MOD_REPLACE:
  69                         if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
  70                                 value_match( &match, slap_schema.si_ad_structuralObjectClass,
  71                                 slap_schema.si_ad_structuralObjectClass->ad_type->sat_equality,
  72                                 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
  73                                 &mod->sm_values[0], &scbva[0], text );
  74                                 if ( !match )
  75                                         glue_attr_delete = 1;
  76                         }
  77                 }
  78                 if ( glue_attr_delete )
  79                         break;
  80         }
  81
  82         if ( glue_attr_delete ) {
  83                 Attribute       **app = &e->e_attrs;
  84                 while ( *app != NULL ) {
  85                         if ( !is_at_operational( (*app)->a_desc->ad_type )) {
  86                                 Attribute *save = *app;
  87                                 *app = (*app)->a_next;
  88                                 attr_free( save );
  89                                 continue;
  90                         }
  91                         app = &(*app)->a_next;
  92                 }
  93         }
  94
  95         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  96                 mod = &ml->sml_mod;
  97
  98                 switch ( mod->sm_op ) {
  99                 case LDAP_MOD_ADD:
 100 #ifdef NEW_LOGGING
 101                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
 102 #else
 103                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
 104 #endif
 105                         err = modify_add_values( e, mod, get_permissiveModify(op),
 106                                 text, textbuf, textlen );
 107                         if( err != LDAP_SUCCESS ) {
 108 #ifdef NEW_LOGGING
 109                                 LDAP_LOG ( OPERATION, ERR,
 110                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 111 #else
 112                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 113                                         err, *text, 0);
 114 #endif
 115                         }
 116                         break;
 117
 118                 case LDAP_MOD_DELETE:
 119                         if ( glue_attr_delete ) {
 120                                 err = LDAP_SUCCESS;
 121                                 break;
 122                         }
 123
 124 #ifdef NEW_LOGGING
 125                         LDAP_LOG ( OPERATION, DETAIL1,
 126                                 "bdb_modify_internal: delete\n", 0, 0, 0 );
 127 #else
 128                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
 129 #endif
 130                         err = modify_delete_values( e, mod, get_permissiveModify(op),
 131                                 text, textbuf, textlen );
 132                         assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
 133                         if( err != LDAP_SUCCESS ) {
 134 #ifdef NEW_LOGGING
 135                                 LDAP_LOG ( OPERATION, ERR,
 136                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 137 #else
 138                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 139                                         err, *text, 0);
 140 #endif
 141                         }
 142                         break;
 143
 144                 case LDAP_MOD_REPLACE:
 145 #ifdef NEW_LOGGING
 146                         LDAP_LOG ( OPERATION, DETAIL1,
 147                                 "bdb_modify_internal: replace\n", 0, 0, 0 );
 148 #else
 149                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
 150 #endif
 151                         err = modify_replace_values( e, mod, get_permissiveModify(op),
 152                                 text, textbuf, textlen );
 153                         if( err != LDAP_SUCCESS ) {
 154 #ifdef NEW_LOGGING
 155                                 LDAP_LOG ( OPERATION, ERR,
 156                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 157 #else
 158                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 159                                         err, *text, 0);
 160 #endif
 161                         }
 162                         break;
 163
 164                 case LDAP_MOD_INCREMENT:
 165 #ifdef NEW_LOGGING
 166                         LDAP_LOG ( OPERATION, DETAIL1,
 167                                 "bdb_modify_internal: increment\n", 0, 0, 0 );
 168 #else
 169                         Debug(LDAP_DEBUG_ARGS,
 170                                 "bdb_modify_internal: increment\n", 0, 0, 0);
 171 #endif
 172                         err = modify_increment_values( e, mod, get_permissiveModify(op),
 173                                 text, textbuf, textlen );
 174                         if( err != LDAP_SUCCESS ) {
 175 #ifdef NEW_LOGGING
 176                                 LDAP_LOG ( OPERATION, ERR,
 177                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 178 #else
 179                                 Debug(LDAP_DEBUG_ARGS,
 180                                         "bdb_modify_internal: %d %s\n",
 181                                         err, *text, 0);
 182 #endif
 183                         }
 184                         break;
 185
 186                 case SLAP_MOD_SOFTADD:
 187 #ifdef NEW_LOGGING
 188                         LDAP_LOG ( OPERATION, DETAIL1,
 189                                 "bdb_modify_internal: softadd\n",0,0,0 );
 190 #else
 191                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
 192 #endif
 193                         /* Avoid problems in index_add_mods()
 194                          * We need to add index if necessary.
 195                          */
 196                         mod->sm_op = LDAP_MOD_ADD;
 197
 198                         err = modify_add_values( e, mod, get_permissiveModify(op),
 199                                 text, textbuf, textlen );
 200
 201                         mod->sm_op = SLAP_MOD_SOFTADD;
 202
 203                         if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 204                                 err = LDAP_SUCCESS;
 205                         }
 206
 207                         if( err != LDAP_SUCCESS ) {
 208 #ifdef NEW_LOGGING
 209                                 LDAP_LOG ( OPERATION, ERR,
 210                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 211 #else
 212                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 213                                         err, *text, 0);
 214 #endif
 215                         }
 216                         break;
 217
 218                 default:
 219 #ifdef NEW_LOGGING
 220                                 LDAP_LOG ( OPERATION, ERR,
 221                                         "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
 222 #else
 223                         Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
 224                                 mod->sm_op, 0, 0);
 225 #endif
 226                         *text = "Invalid modify operation";
 227                         err = LDAP_OTHER;
 228 #ifdef NEW_LOGGING
 229                                 LDAP_LOG ( OPERATION, ERR,
 230                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 231 #else
 232                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 233                                 err, *text, 0);
 234 #endif
 235                 }
 236
 237                 if ( err != LDAP_SUCCESS ) {
 238                         attrs_free( e->e_attrs );
 239                         e->e_attrs = save_attrs;
 240                         /* unlock entry, delete from cache */
 241                         return err;
 242                 }
 243
 244                 /* If objectClass was modified, reset the flags */
 245                 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
 246                         e->e_ocflags = 0;
 247                 }
 248
 249                 if ( glue_attr_delete ) {
 250                         e->e_ocflags = 0;
 251                 }
 252
 253                 /* check if modified attribute was indexed
 254                  * but not in case of NOOP... */
 255                 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
 256                 if ( err == LDAP_SUCCESS && !op->o_noop ) {
 257                         ap = attr_find( save_attrs, mod->sm_desc );
 258                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
 259
 260                         ap = attr_find( e->e_attrs, mod->sm_desc );
 261                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
 262                 }
 263         }
 264
 265         /* check that the entry still obeys the schema */
 266         rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
 267         if ( rc != LDAP_SUCCESS || op->o_noop ) {
 268                 attrs_free( e->e_attrs );
 269                 /* clear the indexing flags */
 270                 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 271                         ap->a_flags = 0;
 272                 }
 273                 e->e_attrs = save_attrs;
 274
 275                 if ( rc != LDAP_SUCCESS ) {
 276 #ifdef NEW_LOGGING
 277                         LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
 278                                 "entry failed schema check %s\n",
 279                                 *text, 0, 0 );
 280 #else
 281                         Debug( LDAP_DEBUG_ANY,
 282                                 "entry failed schema check: %s\n",
 283                                 *text, 0, 0 );
 284 #endif
 285                 }
 286
 287                 /* if NOOP then silently revert to saved attrs */
 288                 return rc;
 289         }
 290
 291         /* update the indices of the modified attributes */
 292
 293         /* start with deleting the old index entries */
 294         for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 295                 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
 296                         rc = bdb_index_values( op, tid, ap->a_desc,
 297                                 ap->a_nvals,
 298                                 e->e_id, SLAP_INDEX_DELETE_OP );
 299                         if ( rc != LDAP_SUCCESS ) {
 300                                 attrs_free( e->e_attrs );
 301                                 e->e_attrs = save_attrs;
 302 #ifdef NEW_LOGGING
 303                                 LDAP_LOG ( OPERATION, ERR,
 304                                         "bdb_modify_internal: attribute index delete failure\n",
 305                                         0, 0, 0 );
 306 #else
 307                                 Debug( LDAP_DEBUG_ANY,
 308                                        "Attribute index delete failure",
 309                                        0, 0, 0 );
 310 #endif
 311                                 return rc;
 312                         }
 313                         ap->a_flags &= ~SLAP_ATTR_IXDEL;
 314                 }
 315         }
 316
 317         /* add the new index entries */
 318         for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
 319                 if (ap->a_flags & SLAP_ATTR_IXADD) {
 320                         rc = bdb_index_values( op, tid, ap->a_desc,
 321                                 ap->a_nvals,
 322                                 e->e_id, SLAP_INDEX_ADD_OP );
 323                         if ( rc != LDAP_SUCCESS ) {
 324                                 attrs_free( e->e_attrs );
 325                                 e->e_attrs = save_attrs;
 326 #ifdef NEW_LOGGING
 327                                 LDAP_LOG ( OPERATION, ERR,
 328                                         "bdb_modify_internal: attribute index add failure\n",
 329                                         0, 0, 0 );
 330 #else
 331                                 Debug( LDAP_DEBUG_ANY,
 332                                        "Attribute index add failure",
 333                                        0, 0, 0 );
 334 #endif
 335                                 return rc;
 336                         }
 337                         ap->a_flags &= ~SLAP_ATTR_IXADD;
 338                 }
 339         }
 340
 341         return rc;
 342 }
 343
 344
 345 int
 346 bdb_modify( Operation *op, SlapReply *rs )
 347 {
 348         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
 349         Entry           *e = NULL;
 350         EntryInfo       *ei = NULL;
 351         int             manageDSAit = get_manageDSAit( op );
 352         char textbuf[SLAP_TEXT_BUFLEN];
 353         size_t textlen = sizeof textbuf;
 354         DB_TXN  *ltid = NULL, *lt2;
 355         struct bdb_op_info opinfo;
 356         Entry           dummy = {0};
 357
 358         u_int32_t       locker = 0;
 359         DB_LOCK         lock;
 360
 361         int             num_retries = 0;
 362
 363         LDAPControl **preread_ctrl = NULL;
 364         LDAPControl **postread_ctrl = NULL;
 365         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 366         int num_ctrls = 0;
 367
 368         Operation* ps_list;
 369         struct psid_entry *pm_list, *pm_prev;
 370         int rc;
 371         EntryInfo       *suffix_ei;
 372         Entry           *ctxcsn_e;
 373         int                     ctxcsn_added = 0;
 374
 375 #ifdef NEW_LOGGING
 376         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n",
 377                 op->o_req_dn.bv_val, 0, 0 );
 378 #else
 379         Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n",
 380                 op->o_req_dn.bv_val, 0, 0 );
 381 #endif
 382
 383         ctrls[num_ctrls] = NULL;
 384
 385         if( 0 ) {
 386 retry:  /* transaction retry */
 387                 if ( dummy.e_attrs ) {
 388                         attrs_free( dummy.e_attrs );
 389                         dummy.e_attrs = NULL;
 390                 }
 391                 if( e != NULL ) {
 392                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 393                         e = NULL;
 394                 }
 395 #ifdef NEW_LOGGING
 396                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
 397 #else
 398                 Debug(LDAP_DEBUG_TRACE,
 399                         "bdb_modify: retrying...\n", 0, 0, 0);
 400 #endif
 401
 402                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 403                 while ( pm_list != NULL ) {
 404                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 405                         pm_prev = pm_list;
 406                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 407                         ch_free( pm_prev );
 408                 }
 409
 410                 rs->sr_err = TXN_ABORT( ltid );
 411                 ltid = NULL;
 412                 op->o_private = NULL;
 413                 op->o_do_not_cache = opinfo.boi_acl_cache;
 414                 if( rs->sr_err != 0 ) {
 415                         rs->sr_err = LDAP_OTHER;
 416                         rs->sr_text = "internal error";
 417                         goto return_results;
 418                 }
 419                 ldap_pvt_thread_yield();
 420                 bdb_trans_backoff( ++num_retries );
 421         }
 422
 423         /* begin transaction */
 424         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 425                 bdb->bi_db_opflags );
 426         rs->sr_text = NULL;
 427         if( rs->sr_err != 0 ) {
 428 #ifdef NEW_LOGGING
 429                 LDAP_LOG ( OPERATION, DETAIL1,
 430                         "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 431 #else
 432                 Debug( LDAP_DEBUG_TRACE,
 433                         "bdb_modify: txn_begin failed: %s (%d)\n",
 434                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 435 #endif
 436                 rs->sr_err = LDAP_OTHER;
 437                 rs->sr_text = "internal error";
 438                 goto return_results;
 439         }
 440
 441         locker = TXN_ID ( ltid );
 442
 443         opinfo.boi_bdb = op->o_bd;
 444         opinfo.boi_txn = ltid;
 445         opinfo.boi_locker = locker;
 446         opinfo.boi_err = 0;
 447         opinfo.boi_acl_cache = op->o_do_not_cache;
 448         op->o_private = &opinfo;
 449
 450         /* get entry or ancestor */
 451         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 452                 locker, &lock );
 453
 454         if ( rs->sr_err != 0 ) {
 455 #ifdef NEW_LOGGING
 456                 LDAP_LOG ( OPERATION, DETAIL1,
 457                         "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
 458 #else
 459                 Debug( LDAP_DEBUG_TRACE,
 460                         "bdb_modify: dn2entry failed (%d)\n",
 461                         rs->sr_err, 0, 0 );
 462 #endif
 463                 switch( rs->sr_err ) {
 464                 case DB_LOCK_DEADLOCK:
 465                 case DB_LOCK_NOTGRANTED:
 466                         goto retry;
 467                 case DB_NOTFOUND:
 468                         break;
 469                 case LDAP_BUSY:
 470                         rs->sr_text = "ldap server busy";
 471                         goto return_results;
 472                 default:
 473                         rs->sr_err = LDAP_OTHER;
 474                         rs->sr_text = "internal error";
 475                         goto return_results;
 476                 }
 477         }
 478
 479         e = ei->bei_e;
 480         /* acquire and lock entry */
 481         /* FIXME: dn2entry() should return non-glue entry */
 482         if (( rs->sr_err == DB_NOTFOUND ) ||
 483                 ( !manageDSAit && e && is_entry_glue( e )))
 484         {
 485                 if ( e != NULL ) {
 486                         rs->sr_matched = ch_strdup( e->e_dn );
 487                         rs->sr_ref = is_entry_referral( e )
 488                                 ? get_entry_referrals( op, e )
 489                                 : NULL;
 490                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 491                         e = NULL;
 492
 493                 } else {
 494                         BerVarray deref = NULL;
 495                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 496                                 syncinfo_t *si;
 497                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 498                                         struct berval tmpbv;
 499                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 500                                         ber_bvarray_add( &deref, &tmpbv );
 501                 }
 502                         } else {
 503                                 deref = default_referral;
 504                         }
 505                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 506                                 LDAP_SCOPE_DEFAULT );
 507                 }
 508
 509                 rs->sr_err = LDAP_REFERRAL;
 510                 send_ldap_result( op, rs );
 511
 512                 if ( rs->sr_ref != default_referral ) {
 513                         ber_bvarray_free( rs->sr_ref );
 514                 }
 515                 free( (char *)rs->sr_matched );
 516                 rs->sr_ref = NULL;
 517                 rs->sr_matched = NULL;
 518
 519                 goto done;
 520         }
 521
 522         if ( !manageDSAit && is_entry_referral( e ) ) {
 523                 /* entry is a referral, don't allow modify */
 524                 rs->sr_ref = get_entry_referrals( op, e );
 525
 526 #ifdef NEW_LOGGING
 527                 LDAP_LOG ( OPERATION, DETAIL1,
 528                         "bdb_modify: entry is referral\n",
 529                         0, 0, 0 );
 530 #else
 531                 Debug( LDAP_DEBUG_TRACE,
 532                         "bdb_modify: entry is referral\n",
 533                         0, 0, 0 );
 534 #endif
 535
 536                 rs->sr_err = LDAP_REFERRAL;
 537                 rs->sr_matched = e->e_name.bv_val;
 538                 send_ldap_result( op, rs );
 539
 540                 ber_bvarray_free( rs->sr_ref );
 541                 rs->sr_ref = NULL;
 542                 rs->sr_matched = NULL;
 543                 goto done;
 544         }
 545
 546         if ( get_assert( op ) &&
 547                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 548         {
 549                 rs->sr_err = LDAP_ASSERTION_FAILED;
 550                 goto return_results;
 551         }
 552
 553         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
 554                 ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 555                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 556                         rc = bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
 557                         if ( rc ) {
 558 #ifdef NEW_LOGGING
 559                                 LDAP_LOG ( OPERATION, ERR,
 560                                         "bdb_modify: persistent search failed (%d,%d)\n",
 561                                         rc, rs->sr_err, 0 );
 562 #else
 563                                 Debug( LDAP_DEBUG_TRACE,
 564                                         "bdb_modify: persistent search failed (%d,%d)\n",
 565                                         rc, rs->sr_err, 0 );
 566 #endif
 567                         }
 568                 }
 569                 ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 570         }
 571
 572         if( op->o_preread ) {
 573                 if( preread_ctrl == NULL ) {
 574                         preread_ctrl = &ctrls[num_ctrls++];
 575                         ctrls[num_ctrls] = NULL;
 576                 }
 577                 if ( slap_read_controls( op, rs, e,
 578                         &slap_pre_read_bv, preread_ctrl ) )
 579                 {
 580 #ifdef NEW_LOGGING
 581                         LDAP_LOG ( OPERATION, DETAIL1,
 582                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 583 #else
 584                         Debug( LDAP_DEBUG_TRACE,
 585                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 586 #endif
 587                         goto return_results;
 588                 }
 589         }
 590
 591         /* nested transaction */
 592         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 593                 bdb->bi_db_opflags );
 594         rs->sr_text = NULL;
 595         if( rs->sr_err != 0 ) {
 596 #ifdef NEW_LOGGING
 597                 LDAP_LOG ( OPERATION, ERR,
 598                         "bdb_modify: txn_begin(2) failed: %s (%d)\n",
 599                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 600 #else
 601                 Debug( LDAP_DEBUG_TRACE,
 602                         "bdb_modify: txn_begin(2) failed: %s (%d)\n",
 603                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 604 #endif
 605                 rs->sr_err = LDAP_OTHER;
 606                 rs->sr_text = "internal error";
 607                 goto return_results;
 608         }
 609         /* Modify the entry */
 610         dummy = *e;
 611         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 612                 &dummy, &rs->sr_text, textbuf, textlen );
 613
 614         if( rs->sr_err != LDAP_SUCCESS ) {
 615 #ifdef NEW_LOGGING
 616                 LDAP_LOG ( OPERATION, ERR,
 617                         "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
 618 #else
 619                 Debug( LDAP_DEBUG_TRACE,
 620                         "bdb_modify: modify failed (%d)\n",
 621                         rs->sr_err, 0, 0 );
 622 #endif
 623                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 624                         rs->sr_err = opinfo.boi_err;
 625                 }
 626                 /* Only free attrs if they were dup'd.  */
 627                 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
 628                 switch( rs->sr_err ) {
 629                 case DB_LOCK_DEADLOCK:
 630                 case DB_LOCK_NOTGRANTED:
 631                         goto retry;
 632                 }
 633                 goto return_results;
 634         }
 635
 636         /* change the entry itself */
 637         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 638         if ( rs->sr_err != 0 ) {
 639 #ifdef NEW_LOGGING
 640                 LDAP_LOG ( OPERATION, ERR,
 641                         "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
 642 #else
 643                 Debug( LDAP_DEBUG_TRACE,
 644                         "bdb_modify: id2entry update failed (%d)\n",
 645                         rs->sr_err, 0, 0 );
 646 #endif
 647                 switch( rs->sr_err ) {
 648                 case DB_LOCK_DEADLOCK:
 649                 case DB_LOCK_NOTGRANTED:
 650                         goto retry;
 651                 }
 652                 rs->sr_text = "entry update failed";
 653                 goto return_results;
 654         }
 655
 656         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 657                 rs->sr_err = LDAP_OTHER;
 658                 rs->sr_text = "txn_commit(2) failed";
 659                 goto return_results;
 660         }
 661
 662         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 663                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 664                         &ctxcsn_e, &ctxcsn_added, locker );
 665                 switch ( rc ) {
 666                 case BDB_CSN_ABORT :
 667                         goto return_results;
 668                 case BDB_CSN_RETRY :
 669                         goto retry;
 670                 }
 671         }
 672
 673         if( op->o_postread ) {
 674                 if( postread_ctrl == NULL ) {
 675                         postread_ctrl = &ctrls[num_ctrls++];
 676                         ctrls[num_ctrls] = NULL;
 677                 }
 678                 if( slap_read_controls( op, rs, &dummy,
 679                         &slap_post_read_bv, postread_ctrl ) )
 680                 {
 681 #ifdef NEW_LOGGING
 682                         LDAP_LOG ( OPERATION, DETAIL1,
 683                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 684 #else
 685                         Debug( LDAP_DEBUG_TRACE,
 686                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 687 #endif
 688                         goto return_results;
 689                 }
 690         }
 691
 692         if( op->o_noop ) {
 693                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 694                         rs->sr_text = "txn_abort (no-op) failed";
 695                 } else {
 696                         rs->sr_err = LDAP_NO_OPERATION;
 697                         goto return_results;
 698                 }
 699         } else {
 700                 rc = bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 701                 switch( rc ) {
 702                 case DB_LOCK_DEADLOCK:
 703                 case DB_LOCK_NOTGRANTED:
 704                         goto retry;
 705                 }
 706                 dummy.e_attrs = NULL;
 707
 708                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 709                         if ( ctxcsn_added ) {
 710                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
 711                                         (struct berval *)&slap_ldapsync_cn_bv, locker );
 712                         }
 713                 }
 714
 715                 if ( rs->sr_err == LDAP_SUCCESS ) {
 716                         /* Loop through in-scope entries for each psearch spec */
 717                         ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
 718                         LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 719                                 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
 720                                 if ( rc ) {
 721 #ifdef NEW_LOGGING
 722                                         LDAP_LOG ( OPERATION, ERR,
 723                                                 "bdb_modify: persistent search failed (%d,%d)\n",
 724                                                 rc, rs->sr_err, 0 );
 725 #else
 726                                         Debug( LDAP_DEBUG_TRACE,
 727                                                 "bdb_modify: persistent search failed (%d,%d)\n",
 728                                                 rc, rs->sr_err, 0 );
 729 #endif
 730                                 }
 731                         }
 732                         pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 733                         while ( pm_list != NULL ) {
 734                                 rc = bdb_psearch(op, rs, pm_list->ps_op,
 735                                                         e, LDAP_PSEARCH_BY_SCOPEOUT);
 736                                 if ( rc ) {
 737 #ifdef NEW_LOGGING
 738                                         LDAP_LOG ( OPERATION, ERR,
 739                                                 "bdb_modify: persistent search failed (%d,%d)\n",
 740                                                 rc, rs->sr_err, 0 );
 741 #else
 742                                         Debug( LDAP_DEBUG_TRACE,
 743                                                 "bdb_modify: persistent search failed (%d,%d)\n",
 744                                                 rc, rs->sr_err, 0 );
 745 #endif
 746                                 }
 747                                 LDAP_LIST_REMOVE ( pm_list, ps_link );
 748                                 pm_prev = pm_list;
 749                                 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 750                                 ch_free( pm_prev );
 751                         }
 752                         ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
 753                 }
 754
 755                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 756         }
 757         ltid = NULL;
 758         op->o_private = NULL;
 759
 760         if( rs->sr_err != 0 ) {
 761 #ifdef NEW_LOGGING
 762                 LDAP_LOG ( OPERATION, ERR,
 763                         "bdb_modify: txn_%s failed %s (%d)\n",
 764                         op->o_noop ? "abort (no_op)" : "commit",
 765                         db_strerror(rs->sr_err), rs->sr_err );
 766 #else
 767                 Debug( LDAP_DEBUG_TRACE,
 768                         "bdb_modify: txn_%s failed: %s (%d)\n",
 769                         op->o_noop ? "abort (no-op)" : "commit",
 770                         db_strerror(rs->sr_err), rs->sr_err );
 771 #endif
 772                 rs->sr_err = LDAP_OTHER;
 773                 rs->sr_text = "commit failed";
 774
 775                 goto return_results;
 776         }
 777
 778 #ifdef NEW_LOGGING
 779         LDAP_LOG ( OPERATION, DETAIL1,
 780                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 781                 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
 782 #else
 783         Debug( LDAP_DEBUG_TRACE,
 784                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 785                 op->o_noop ? " (no-op)" : "",
 786                 e->e_id, e->e_dn );
 787 #endif
 788
 789         rs->sr_err = LDAP_SUCCESS;
 790         rs->sr_text = NULL;
 791         if( num_ctrls ) rs->sr_ctrls = ctrls;
 792
 793 return_results:
 794         if( dummy.e_attrs ) {
 795                 attrs_free( dummy.e_attrs );
 796         }
 797         send_ldap_result( op, rs );
 798
 799         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 800                 ldap_pvt_thread_yield();
 801                 TXN_CHECKPOINT( bdb->bi_dbenv,
 802                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 803         }
 804
 805 done:
 806         if( ltid != NULL ) {
 807                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 808                 while ( pm_list != NULL ) {
 809                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 810                         pm_prev = pm_list;
 811                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 812                         ch_free( pm_prev );
 813                 }
 814                 TXN_ABORT( ltid );
 815                 op->o_private = NULL;
 816         }
 817
 818         if( e != NULL ) {
 819                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 820         }
 821
 822         if( preread_ctrl != NULL ) {
 823                 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
 824                 slap_sl_free( *preread_ctrl, &op->o_tmpmemctx );
 825         }
 826         if( postread_ctrl != NULL ) {
 827                 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
 828                 slap_sl_free( *postread_ctrl, &op->o_tmpmemctx );
 829         }
 830         return rs->sr_err;
 831 }