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 2000-2003 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
  41 #ifdef NEW_LOGGING
  42         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
  43                 e->e_id, e->e_dn, 0 );
  44 #else
  45         Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
  46                 e->e_id, e->e_dn, 0);
  47 #endif
  48
  49         if ( !acl_check_modlist( op, e, modlist )) {
  50                 return LDAP_INSUFFICIENT_ACCESS;
  51         }
  52
  53         /* save_attrs will be disposed of by bdb_cache_modify */
  54         save_attrs = e->e_attrs;
  55         e->e_attrs = attrs_dup( e->e_attrs );
  56
  57         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  58                 mod = &ml->sml_mod;
  59
  60                 switch ( mod->sm_op ) {
  61                 case LDAP_MOD_ADD:
  62 #ifdef NEW_LOGGING
  63                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
  64 #else
  65                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
  66 #endif
  67                         err = modify_add_values( e, mod, get_permissiveModify(op),
  68                                 text, textbuf, textlen );
  69                         if( err != LDAP_SUCCESS ) {
  70 #ifdef NEW_LOGGING
  71                                 LDAP_LOG ( OPERATION, ERR,
  72                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
  73 #else
  74                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
  75                                         err, *text, 0);
  76 #endif
  77                         }
  78                         break;
  79
  80                 case LDAP_MOD_DELETE:
  81 #ifdef NEW_LOGGING
  82                         LDAP_LOG ( OPERATION, DETAIL1,
  83                                 "bdb_modify_internal: delete\n", 0, 0, 0 );
  84 #else
  85                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
  86 #endif
  87                         err = modify_delete_values( e, mod, get_permissiveModify(op),
  88                                 text, textbuf, textlen );
  89                         assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
  90                         if( err != LDAP_SUCCESS ) {
  91 #ifdef NEW_LOGGING
  92                                 LDAP_LOG ( OPERATION, ERR,
  93                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
  94 #else
  95                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
  96                                         err, *text, 0);
  97 #endif
  98                         }
  99                         break;
 100
 101                 case LDAP_MOD_REPLACE:
 102 #ifdef NEW_LOGGING
 103                         LDAP_LOG ( OPERATION, DETAIL1,
 104                                 "bdb_modify_internal: replace\n", 0, 0, 0 );
 105 #else
 106                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
 107 #endif
 108                         err = modify_replace_values( e, mod, get_permissiveModify(op),
 109                                 text, textbuf, textlen );
 110                         if( err != LDAP_SUCCESS ) {
 111 #ifdef NEW_LOGGING
 112                                 LDAP_LOG ( OPERATION, ERR,
 113                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 114 #else
 115                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 116                                         err, *text, 0);
 117 #endif
 118                         }
 119                         break;
 120
 121                 case LDAP_MOD_INCREMENT:
 122 #ifdef NEW_LOGGING
 123                         LDAP_LOG ( OPERATION, DETAIL1,
 124                                 "bdb_modify_internal: increment\n", 0, 0, 0 );
 125 #else
 126                         Debug(LDAP_DEBUG_ARGS,
 127                                 "bdb_modify_internal: increment\n", 0, 0, 0);
 128 #endif
 129                         err = modify_increment_values( e, mod, get_permissiveModify(op),
 130                                 text, textbuf, textlen );
 131                         if( err != LDAP_SUCCESS ) {
 132 #ifdef NEW_LOGGING
 133                                 LDAP_LOG ( OPERATION, ERR,
 134                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 135 #else
 136                                 Debug(LDAP_DEBUG_ARGS,
 137                                         "bdb_modify_internal: %d %s\n",
 138                                         err, *text, 0);
 139 #endif
 140                         }
 141                         break;
 142
 143                 case SLAP_MOD_SOFTADD:
 144 #ifdef NEW_LOGGING
 145                         LDAP_LOG ( OPERATION, DETAIL1,
 146                                 "bdb_modify_internal: softadd\n",0,0,0 );
 147 #else
 148                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
 149 #endif
 150                         /* Avoid problems in index_add_mods()
 151                          * We need to add index if necessary.
 152                          */
 153                         mod->sm_op = LDAP_MOD_ADD;
 154
 155                         err = modify_add_values( e, mod, get_permissiveModify(op),
 156                                 text, textbuf, textlen );
 157
 158                         mod->sm_op = SLAP_MOD_SOFTADD;
 159
 160                         if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 161                                 err = LDAP_SUCCESS;
 162                         }
 163
 164                         if( err != LDAP_SUCCESS ) {
 165 #ifdef NEW_LOGGING
 166                                 LDAP_LOG ( OPERATION, ERR,
 167                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 168 #else
 169                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 170                                         err, *text, 0);
 171 #endif
 172                         }
 173                         break;
 174
 175                 default:
 176 #ifdef NEW_LOGGING
 177                                 LDAP_LOG ( OPERATION, ERR,
 178                                         "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
 179 #else
 180                         Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
 181                                 mod->sm_op, 0, 0);
 182 #endif
 183                         *text = "Invalid modify operation";
 184                         err = LDAP_OTHER;
 185 #ifdef NEW_LOGGING
 186                                 LDAP_LOG ( OPERATION, ERR,
 187                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 188 #else
 189                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 190                                 err, *text, 0);
 191 #endif
 192                 }
 193
 194                 if ( err != LDAP_SUCCESS ) {
 195                         attrs_free( e->e_attrs );
 196                         e->e_attrs = save_attrs;
 197                         /* unlock entry, delete from cache */
 198                         return err;
 199                 }
 200
 201                 /* If objectClass was modified, reset the flags */
 202                 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
 203                         e->e_ocflags = 0;
 204                 }
 205
 206                 /* check if modified attribute was indexed
 207                  * but not in case of NOOP... */
 208                 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
 209                 if ( err == LDAP_SUCCESS && !op->o_noop ) {
 210                         ap = attr_find( save_attrs, mod->sm_desc );
 211                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
 212
 213                         ap = attr_find( e->e_attrs, mod->sm_desc );
 214                         if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
 215                 }
 216         }
 217
 218         /* check that the entry still obeys the schema */
 219         rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
 220         if ( rc != LDAP_SUCCESS || op->o_noop ) {
 221                 attrs_free( e->e_attrs );
 222                 e->e_attrs = save_attrs;
 223
 224                 if ( rc != LDAP_SUCCESS ) {
 225 #ifdef NEW_LOGGING
 226                         LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
 227                                 "entry failed schema check %s\n",
 228                                 *text, 0, 0 );
 229 #else
 230                         Debug( LDAP_DEBUG_ANY,
 231                                 "entry failed schema check: %s\n",
 232                                 *text, 0, 0 );
 233 #endif
 234                 }
 235
 236                 /* if NOOP then silently revert to saved attrs */
 237                 return rc;
 238         }
 239
 240         /* update the indices of the modified attributes */
 241
 242         /* start with deleting the old index entries */
 243         for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
 244                 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
 245                         rc = bdb_index_values( op, tid, ap->a_desc,
 246                                 ap->a_nvals,
 247                                 e->e_id, SLAP_INDEX_DELETE_OP );
 248                         if ( rc != LDAP_SUCCESS ) {
 249                                 attrs_free( e->e_attrs );
 250                                 e->e_attrs = save_attrs;
 251 #ifdef NEW_LOGGING
 252                                 LDAP_LOG ( OPERATION, ERR,
 253                                         "bdb_modify_internal: attribute index delete failure\n",
 254                                         0, 0, 0 );
 255 #else
 256                                 Debug( LDAP_DEBUG_ANY,
 257                                        "Attribute index delete failure",
 258                                        0, 0, 0 );
 259 #endif
 260                                 return rc;
 261                         }
 262                         ap->a_flags &= ~SLAP_ATTR_IXDEL;
 263                 }
 264         }
 265
 266         /* add the new index entries */
 267         for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
 268                 if (ap->a_flags & SLAP_ATTR_IXADD) {
 269                         rc = bdb_index_values( op, tid, ap->a_desc,
 270                                 ap->a_nvals,
 271                                 e->e_id, SLAP_INDEX_ADD_OP );
 272                         if ( rc != LDAP_SUCCESS ) {
 273                                 attrs_free( e->e_attrs );
 274                                 e->e_attrs = save_attrs;
 275 #ifdef NEW_LOGGING
 276                                 LDAP_LOG ( OPERATION, ERR,
 277                                         "bdb_modify_internal: attribute index add failure\n",
 278                                         0, 0, 0 );
 279 #else
 280                                 Debug( LDAP_DEBUG_ANY,
 281                                        "Attribute index add failure",
 282                                        0, 0, 0 );
 283 #endif
 284                                 return rc;
 285                         }
 286                         ap->a_flags &= ~SLAP_ATTR_IXADD;
 287                 }
 288         }
 289
 290         return rc;
 291 }
 292
 293
 294 int
 295 bdb_modify( Operation *op, SlapReply *rs )
 296 {
 297         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
 298         Entry           *e = NULL;
 299         EntryInfo       *ei = NULL;
 300         int             manageDSAit = get_manageDSAit( op );
 301         char textbuf[SLAP_TEXT_BUFLEN];
 302         size_t textlen = sizeof textbuf;
 303         DB_TXN  *ltid = NULL, *lt2;
 304         struct bdb_op_info opinfo;
 305         Entry           dummy;
 306
 307         u_int32_t       locker = 0;
 308         DB_LOCK         lock;
 309
 310         int             noop = 0;
 311
 312         int             num_retries = 0;
 313
 314         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 315         int num_ctrls = 0;
 316
 317         Operation* ps_list;
 318         struct psid_entry *pm_list, *pm_prev;
 319         int rc;
 320         EntryInfo       *suffix_ei;
 321         Entry           *ctxcsn_e;
 322         int                     ctxcsn_added = 0;
 323
 324 #ifdef NEW_LOGGING
 325         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
 326 #else
 327         Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
 328 #endif
 329
 330         if( 0 ) {
 331 retry:  /* transaction retry */
 332                 if( e != NULL ) {
 333                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 334                         e = NULL;
 335                 }
 336 #ifdef NEW_LOGGING
 337                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
 338 #else
 339                 Debug(LDAP_DEBUG_TRACE,
 340                         "bdb_modify: retrying...\n", 0, 0, 0);
 341 #endif
 342
 343                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 344                 while ( pm_list != NULL ) {
 345                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 346                         pm_prev = pm_list;
 347                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 348                         ch_free( pm_prev );
 349                 }
 350
 351                 rs->sr_err = TXN_ABORT( ltid );
 352                 ltid = NULL;
 353                 op->o_private = NULL;
 354                 op->o_do_not_cache = opinfo.boi_acl_cache;
 355                 if( rs->sr_err != 0 ) {
 356                         rs->sr_err = LDAP_OTHER;
 357                         rs->sr_text = "internal error";
 358                         goto return_results;
 359                 }
 360                 ldap_pvt_thread_yield();
 361                 bdb_trans_backoff( ++num_retries );
 362         }
 363
 364         /* begin transaction */
 365         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 366                 bdb->bi_db_opflags );
 367         rs->sr_text = NULL;
 368         if( rs->sr_err != 0 ) {
 369 #ifdef NEW_LOGGING
 370                 LDAP_LOG ( OPERATION, DETAIL1,
 371                         "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 372 #else
 373                 Debug( LDAP_DEBUG_TRACE,
 374                         "bdb_modify: txn_begin failed: %s (%d)\n",
 375                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 376 #endif
 377                 rs->sr_err = LDAP_OTHER;
 378                 rs->sr_text = "internal error";
 379                 goto return_results;
 380         }
 381
 382         locker = TXN_ID ( ltid );
 383
 384         opinfo.boi_bdb = op->o_bd;
 385         opinfo.boi_txn = ltid;
 386         opinfo.boi_locker = locker;
 387         opinfo.boi_err = 0;
 388         opinfo.boi_acl_cache = op->o_do_not_cache;
 389         op->o_private = &opinfo;
 390
 391         /* get entry or ancestor */
 392         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 393                 locker, &lock );
 394
 395         if ( rs->sr_err != 0 ) {
 396 #ifdef NEW_LOGGING
 397                 LDAP_LOG ( OPERATION, DETAIL1,
 398                         "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
 399 #else
 400                 Debug( LDAP_DEBUG_TRACE,
 401                         "bdb_modify: dn2entry failed (%d)\n",
 402                         rs->sr_err, 0, 0 );
 403 #endif
 404                 switch( rs->sr_err ) {
 405                 case DB_LOCK_DEADLOCK:
 406                 case DB_LOCK_NOTGRANTED:
 407                         goto retry;
 408                 case DB_NOTFOUND:
 409                         break;
 410                 case LDAP_BUSY:
 411                         rs->sr_text = "ldap server busy";
 412                         goto return_results;
 413                 default:
 414                         rs->sr_err = LDAP_OTHER;
 415                         rs->sr_text = "internal error";
 416                         goto return_results;
 417                 }
 418         }
 419
 420         e = ei->bei_e;
 421         /* acquire and lock entry */
 422         /* FIXME: dn2entry() should return non-glue entry */
 423         if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
 424                 if ( e != NULL ) {
 425                         rs->sr_matched = ch_strdup( e->e_dn );
 426                         rs->sr_ref = is_entry_referral( e )
 427                                 ? get_entry_referrals( op, e )
 428                                 : NULL;
 429                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 430                         e = NULL;
 431
 432                 } else {
 433                         BerVarray deref = NULL;
 434                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 435                                 syncinfo_t *si;
 436                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 437                                         struct berval tmpbv;
 438                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 439                                         ber_bvarray_add( &deref, &tmpbv );
 440                 }
 441                         } else {
 442                                 deref = default_referral;
 443                         }
 444                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 445                                 LDAP_SCOPE_DEFAULT );
 446                 }
 447
 448                 rs->sr_err = LDAP_REFERRAL;
 449                 send_ldap_result( op, rs );
 450
 451                 if ( rs->sr_ref != default_referral ) {
 452                         ber_bvarray_free( rs->sr_ref );
 453                 }
 454                 free( (char *)rs->sr_matched );
 455                 rs->sr_ref = NULL;
 456                 rs->sr_matched = NULL;
 457
 458                 goto done;
 459         }
 460
 461         if ( !manageDSAit && is_entry_referral( e ) ) {
 462                 /* entry is a referral, don't allow modify */
 463                 rs->sr_ref = get_entry_referrals( op, e );
 464
 465 #ifdef NEW_LOGGING
 466                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
 467 #else
 468                 Debug( LDAP_DEBUG_TRACE,
 469                         "bdb_modify: entry is referral\n",
 470                         0, 0, 0 );
 471 #endif
 472
 473                 rs->sr_err = LDAP_REFERRAL;
 474                 rs->sr_matched = e->e_name.bv_val;
 475                 send_ldap_result( op, rs );
 476
 477                 ber_bvarray_free( rs->sr_ref );
 478                 rs->sr_ref = NULL;
 479                 rs->sr_matched = NULL;
 480                 goto done;
 481         }
 482
 483         if ( get_assert( op ) &&
 484                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 485         {
 486                 rs->sr_err = LDAP_ASSERTION_FAILED;
 487                 goto return_results;
 488         }
 489
 490         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
 491                 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
 492                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 493                         bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
 494                 }
 495                 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
 496         }
 497
 498         if( op->o_preread ) {
 499                 if ( slap_read_controls( op, rs, e,
 500                         &slap_pre_read_bv, &ctrls[num_ctrls] ) )
 501                 {
 502 #ifdef NEW_LOGGING
 503                         LDAP_LOG ( OPERATION, DETAIL1,
 504                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 505 #else
 506                         Debug( LDAP_DEBUG_TRACE,
 507                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 508 #endif
 509                         goto return_results;
 510                 }
 511                 ctrls[++num_ctrls] = NULL;
 512                 op->o_preread = 0; /* prevent redo on retry */
 513         }
 514
 515         /* nested transaction */
 516         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 517                 bdb->bi_db_opflags );
 518         rs->sr_text = NULL;
 519         if( rs->sr_err != 0 ) {
 520 #ifdef NEW_LOGGING
 521                 LDAP_LOG ( OPERATION, ERR,
 522                         "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 523 #else
 524                 Debug( LDAP_DEBUG_TRACE,
 525                         "bdb_modify: txn_begin(2) failed: %s (%d)\n",
 526                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 527 #endif
 528                 rs->sr_err = LDAP_OTHER;
 529                 rs->sr_text = "internal error";
 530                 goto return_results;
 531         }
 532         /* Modify the entry */
 533         dummy = *e;
 534         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 535                 &dummy, &rs->sr_text, textbuf, textlen );
 536
 537         if( rs->sr_err != LDAP_SUCCESS ) {
 538 #ifdef NEW_LOGGING
 539                 LDAP_LOG ( OPERATION, ERR,
 540                         "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
 541 #else
 542                 Debug( LDAP_DEBUG_TRACE,
 543                         "bdb_modify: modify failed (%d)\n",
 544                         rs->sr_err, 0, 0 );
 545 #endif
 546                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 547                         rs->sr_err = opinfo.boi_err;
 548                 }
 549                 switch( rs->sr_err ) {
 550                 case DB_LOCK_DEADLOCK:
 551                 case DB_LOCK_NOTGRANTED:
 552                         goto retry;
 553                 }
 554                 goto return_results;
 555         }
 556
 557         if( op->o_postread ) {
 558                 if( slap_read_controls( op, rs, e,
 559                         &slap_post_read_bv, &ctrls[num_ctrls] ) )
 560                 {
 561 #ifdef NEW_LOGGING
 562                         LDAP_LOG ( OPERATION, DETAIL1,
 563                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 564 #else
 565                         Debug( LDAP_DEBUG_TRACE,
 566                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 567 #endif
 568                         goto return_results;
 569                 }
 570                 ctrls[++num_ctrls] = NULL;
 571                 op->o_postread = 0;  /* prevent redo on retry */
 572                 /* FIXME: should read entry on the last retry */
 573         }
 574
 575         /* change the entry itself */
 576         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 577         if ( rs->sr_err != 0 ) {
 578 #ifdef NEW_LOGGING
 579                 LDAP_LOG ( OPERATION, ERR,
 580                         "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
 581 #else
 582                 Debug( LDAP_DEBUG_TRACE,
 583                         "bdb_modify: id2entry update failed (%d)\n",
 584                         rs->sr_err, 0, 0 );
 585 #endif
 586                 switch( rs->sr_err ) {
 587                 case DB_LOCK_DEADLOCK:
 588                 case DB_LOCK_NOTGRANTED:
 589                         goto retry;
 590                 }
 591                 rs->sr_text = "entry update failed";
 592                 goto return_results;
 593         }
 594
 595         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 596                 rs->sr_err = LDAP_OTHER;
 597                 rs->sr_text = "txn_commit(2) failed";
 598                 goto return_results;
 599         }
 600
 601         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 602                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 603                         &ctxcsn_e, &ctxcsn_added, locker );
 604                 switch ( rc ) {
 605                 case BDB_CSN_ABORT :
 606                         goto return_results;
 607                 case BDB_CSN_RETRY :
 608                         goto retry;
 609                 }
 610         }
 611
 612         if( op->o_noop ) {
 613                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 614                         rs->sr_text = "txn_abort (no-op) failed";
 615                 } else {
 616                         noop = 1;
 617                         rs->sr_err = LDAP_SUCCESS;
 618                 }
 619         } else {
 620                 EntryInfo *ctx_ei;
 621
 622                 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 623
 624                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 625                         if ( ctxcsn_added ) {
 626                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
 627                                         (struct berval *)&slap_ldapsync_cn_bv, locker );
 628                         }
 629                 }
 630
 631                 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 632                         /* Loop through in-scope entries for each psearch spec */
 633                         ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
 634                         LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 635                                 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
 636                         }
 637                         ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
 638                         pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 639                         while ( pm_list != NULL ) {
 640                                 bdb_psearch(op, rs, pm_list->ps_op,
 641                                                         e, LDAP_PSEARCH_BY_SCOPEOUT);
 642                                 LDAP_LIST_REMOVE ( pm_list, ps_link );
 643                                 pm_prev = pm_list;
 644                                 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 645                                 ch_free( pm_prev );
 646                         }
 647                 }
 648
 649                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 650         }
 651         ltid = NULL;
 652         op->o_private = NULL;
 653
 654         if( rs->sr_err != 0 ) {
 655 #ifdef NEW_LOGGING
 656                 LDAP_LOG ( OPERATION, ERR,
 657                         "bdb_modify: txn_%s failed %s (%d)\n",
 658                         op->o_noop ? "abort (no_op)" : "commit",
 659                         db_strerror(rs->sr_err), rs->sr_err );
 660 #else
 661                 Debug( LDAP_DEBUG_TRACE,
 662                         "bdb_modify: txn_%s failed: %s (%d)\n",
 663                         op->o_noop ? "abort (no-op)" : "commit",
 664                         db_strerror(rs->sr_err), rs->sr_err );
 665 #endif
 666                 rs->sr_err = LDAP_OTHER;
 667                 rs->sr_text = "commit failed";
 668
 669                 goto return_results;
 670         }
 671
 672 #ifdef NEW_LOGGING
 673         LDAP_LOG ( OPERATION, DETAIL1,
 674                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 675                 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
 676 #else
 677         Debug( LDAP_DEBUG_TRACE,
 678                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 679                 op->o_noop ? " (no-op)" : "",
 680                 e->e_id, e->e_dn );
 681 #endif
 682
 683         rs->sr_err = LDAP_SUCCESS;
 684         rs->sr_text = NULL;
 685         if( num_ctrls ) rs->sr_ctrls = ctrls;
 686
 687 return_results:
 688         send_ldap_result( op, rs );
 689
 690         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 691                 ldap_pvt_thread_yield();
 692                 TXN_CHECKPOINT( bdb->bi_dbenv,
 693                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 694         }
 695
 696 done:
 697         if( ltid != NULL ) {
 698                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 699                 while ( pm_list != NULL ) {
 700                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 701                         pm_prev = pm_list;
 702                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 703                         ch_free( pm_prev );
 704                 }
 705                 TXN_ABORT( ltid );
 706                 op->o_private = NULL;
 707         }
 708
 709         if( e != NULL ) {
 710                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 711         }
 712         return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );
 713 }