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