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             num_retries = 0;
 311
 312         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 313         int num_ctrls = 0;
 314
 315         Operation* ps_list;
 316         struct psid_entry *pm_list, *pm_prev;
 317         int rc;
 318         EntryInfo       *suffix_ei;
 319         Entry           *ctxcsn_e;
 320         int                     ctxcsn_added = 0;
 321
 322 #ifdef NEW_LOGGING
 323         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
 324 #else
 325         Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
 326 #endif
 327
 328         if( 0 ) {
 329 retry:  /* transaction retry */
 330                 if( e != NULL ) {
 331                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 332                         e = NULL;
 333                 }
 334 #ifdef NEW_LOGGING
 335                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
 336 #else
 337                 Debug(LDAP_DEBUG_TRACE,
 338                         "bdb_modify: retrying...\n", 0, 0, 0);
 339 #endif
 340
 341                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 342                 while ( pm_list != NULL ) {
 343                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 344                         pm_prev = pm_list;
 345                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 346                         ch_free( pm_prev );
 347                 }
 348
 349                 rs->sr_err = TXN_ABORT( ltid );
 350                 ltid = NULL;
 351                 op->o_private = NULL;
 352                 op->o_do_not_cache = opinfo.boi_acl_cache;
 353                 if( rs->sr_err != 0 ) {
 354                         rs->sr_err = LDAP_OTHER;
 355                         rs->sr_text = "internal error";
 356                         goto return_results;
 357                 }
 358                 ldap_pvt_thread_yield();
 359                 bdb_trans_backoff( ++num_retries );
 360         }
 361
 362         /* begin transaction */
 363         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 364                 bdb->bi_db_opflags );
 365         rs->sr_text = NULL;
 366         if( rs->sr_err != 0 ) {
 367 #ifdef NEW_LOGGING
 368                 LDAP_LOG ( OPERATION, DETAIL1,
 369                         "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 370 #else
 371                 Debug( LDAP_DEBUG_TRACE,
 372                         "bdb_modify: txn_begin failed: %s (%d)\n",
 373                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 374 #endif
 375                 rs->sr_err = LDAP_OTHER;
 376                 rs->sr_text = "internal error";
 377                 goto return_results;
 378         }
 379
 380         locker = TXN_ID ( ltid );
 381
 382         opinfo.boi_bdb = op->o_bd;
 383         opinfo.boi_txn = ltid;
 384         opinfo.boi_locker = locker;
 385         opinfo.boi_err = 0;
 386         opinfo.boi_acl_cache = op->o_do_not_cache;
 387         op->o_private = &opinfo;
 388
 389         /* get entry or ancestor */
 390         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 391                 locker, &lock );
 392
 393         if ( rs->sr_err != 0 ) {
 394 #ifdef NEW_LOGGING
 395                 LDAP_LOG ( OPERATION, DETAIL1,
 396                         "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
 397 #else
 398                 Debug( LDAP_DEBUG_TRACE,
 399                         "bdb_modify: dn2entry failed (%d)\n",
 400                         rs->sr_err, 0, 0 );
 401 #endif
 402                 switch( rs->sr_err ) {
 403                 case DB_LOCK_DEADLOCK:
 404                 case DB_LOCK_NOTGRANTED:
 405                         goto retry;
 406                 case DB_NOTFOUND:
 407                         break;
 408                 case LDAP_BUSY:
 409                         rs->sr_text = "ldap server busy";
 410                         goto return_results;
 411                 default:
 412                         rs->sr_err = LDAP_OTHER;
 413                         rs->sr_text = "internal error";
 414                         goto return_results;
 415                 }
 416         }
 417
 418         e = ei->bei_e;
 419         /* acquire and lock entry */
 420         /* FIXME: dn2entry() should return non-glue entry */
 421         if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
 422                 if ( e != NULL ) {
 423                         rs->sr_matched = ch_strdup( e->e_dn );
 424                         rs->sr_ref = is_entry_referral( e )
 425                                 ? get_entry_referrals( op, e )
 426                                 : NULL;
 427                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 428                         e = NULL;
 429
 430                 } else {
 431                         BerVarray deref = NULL;
 432                         if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 433                                 syncinfo_t *si;
 434                                 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
 435                                         struct berval tmpbv;
 436                                         ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
 437                                         ber_bvarray_add( &deref, &tmpbv );
 438                 }
 439                         } else {
 440                                 deref = default_referral;
 441                         }
 442                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
 443                                 LDAP_SCOPE_DEFAULT );
 444                 }
 445
 446                 rs->sr_err = LDAP_REFERRAL;
 447                 send_ldap_result( op, rs );
 448
 449                 if ( rs->sr_ref != default_referral ) {
 450                         ber_bvarray_free( rs->sr_ref );
 451                 }
 452                 free( (char *)rs->sr_matched );
 453                 rs->sr_ref = NULL;
 454                 rs->sr_matched = NULL;
 455
 456                 goto done;
 457         }
 458
 459         if ( !manageDSAit && is_entry_referral( e ) ) {
 460                 /* entry is a referral, don't allow modify */
 461                 rs->sr_ref = get_entry_referrals( op, e );
 462
 463 #ifdef NEW_LOGGING
 464                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
 465 #else
 466                 Debug( LDAP_DEBUG_TRACE,
 467                         "bdb_modify: entry is referral\n",
 468                         0, 0, 0 );
 469 #endif
 470
 471                 rs->sr_err = LDAP_REFERRAL;
 472                 rs->sr_matched = e->e_name.bv_val;
 473                 send_ldap_result( op, rs );
 474
 475                 ber_bvarray_free( rs->sr_ref );
 476                 rs->sr_ref = NULL;
 477                 rs->sr_matched = NULL;
 478                 goto done;
 479         }
 480
 481         if ( get_assert( op ) &&
 482                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 483         {
 484                 rs->sr_err = LDAP_ASSERTION_FAILED;
 485                 goto return_results;
 486         }
 487
 488         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
 489                 ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
 490                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 491                         bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
 492                 }
 493                 ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
 494         }
 495
 496         if( op->o_preread ) {
 497                 if ( slap_read_controls( op, rs, e,
 498                         &slap_pre_read_bv, &ctrls[num_ctrls] ) )
 499                 {
 500 #ifdef NEW_LOGGING
 501                         LDAP_LOG ( OPERATION, DETAIL1,
 502                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 503 #else
 504                         Debug( LDAP_DEBUG_TRACE,
 505                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 506 #endif
 507                         goto return_results;
 508                 }
 509                 ctrls[++num_ctrls] = NULL;
 510                 op->o_preread = 0; /* prevent redo on retry */
 511         }
 512
 513         /* nested transaction */
 514         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 515                 bdb->bi_db_opflags );
 516         rs->sr_text = NULL;
 517         if( rs->sr_err != 0 ) {
 518 #ifdef NEW_LOGGING
 519                 LDAP_LOG ( OPERATION, ERR,
 520                         "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 521 #else
 522                 Debug( LDAP_DEBUG_TRACE,
 523                         "bdb_modify: txn_begin(2) failed: %s (%d)\n",
 524                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 525 #endif
 526                 rs->sr_err = LDAP_OTHER;
 527                 rs->sr_text = "internal error";
 528                 goto return_results;
 529         }
 530         /* Modify the entry */
 531         dummy = *e;
 532         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 533                 &dummy, &rs->sr_text, textbuf, textlen );
 534
 535         if( rs->sr_err != LDAP_SUCCESS ) {
 536 #ifdef NEW_LOGGING
 537                 LDAP_LOG ( OPERATION, ERR,
 538                         "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
 539 #else
 540                 Debug( LDAP_DEBUG_TRACE,
 541                         "bdb_modify: modify failed (%d)\n",
 542                         rs->sr_err, 0, 0 );
 543 #endif
 544                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 545                         rs->sr_err = opinfo.boi_err;
 546                 }
 547                 switch( rs->sr_err ) {
 548                 case DB_LOCK_DEADLOCK:
 549                 case DB_LOCK_NOTGRANTED:
 550                         goto retry;
 551                 }
 552                 goto return_results;
 553         }
 554
 555         if( op->o_postread ) {
 556                 if( slap_read_controls( op, rs, e,
 557                         &slap_post_read_bv, &ctrls[num_ctrls] ) )
 558                 {
 559 #ifdef NEW_LOGGING
 560                         LDAP_LOG ( OPERATION, DETAIL1,
 561                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 562 #else
 563                         Debug( LDAP_DEBUG_TRACE,
 564                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 565 #endif
 566                         goto return_results;
 567                 }
 568                 ctrls[++num_ctrls] = NULL;
 569                 op->o_postread = 0;  /* prevent redo on retry */
 570                 /* FIXME: should read entry on the last retry */
 571         }
 572
 573         /* change the entry itself */
 574         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 575         if ( rs->sr_err != 0 ) {
 576 #ifdef NEW_LOGGING
 577                 LDAP_LOG ( OPERATION, ERR,
 578                         "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
 579 #else
 580                 Debug( LDAP_DEBUG_TRACE,
 581                         "bdb_modify: id2entry update failed (%d)\n",
 582                         rs->sr_err, 0, 0 );
 583 #endif
 584                 switch( rs->sr_err ) {
 585                 case DB_LOCK_DEADLOCK:
 586                 case DB_LOCK_NOTGRANTED:
 587                         goto retry;
 588                 }
 589                 rs->sr_text = "entry update failed";
 590                 goto return_results;
 591         }
 592
 593         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 594                 rs->sr_err = LDAP_OTHER;
 595                 rs->sr_text = "txn_commit(2) failed";
 596                 goto return_results;
 597         }
 598
 599         if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 600                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 601                         &ctxcsn_e, &ctxcsn_added, locker );
 602                 switch ( rc ) {
 603                 case BDB_CSN_ABORT :
 604                         goto return_results;
 605                 case BDB_CSN_RETRY :
 606                         goto retry;
 607                 }
 608         }
 609
 610         if( op->o_noop ) {
 611                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 612                         rs->sr_text = "txn_abort (no-op) failed";
 613                 } else {
 614                         rs->sr_err = LDAP_NO_OPERATION;
 615                         goto return_results;
 616                 }
 617         } else {
 618                 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 619
 620                 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
 621                         if ( ctxcsn_added ) {
 622                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
 623                                         (struct berval *)&slap_ldapsync_cn_bv, locker );
 624                         }
 625                 }
 626
 627                 if ( rs->sr_err == LDAP_SUCCESS ) {
 628                         /* Loop through in-scope entries for each psearch spec */
 629                         ldap_pvt_thread_rdwr_rlock( &bdb->bi_pslist_rwlock );
 630                         LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 631                                 bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
 632                         }
 633                         ldap_pvt_thread_rdwr_runlock( &bdb->bi_pslist_rwlock );
 634                         pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 635                         while ( pm_list != NULL ) {
 636                                 bdb_psearch(op, rs, pm_list->ps_op,
 637                                                         e, LDAP_PSEARCH_BY_SCOPEOUT);
 638                                 LDAP_LIST_REMOVE ( pm_list, ps_link );
 639                                 pm_prev = pm_list;
 640                                 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 641                                 ch_free( pm_prev );
 642                         }
 643                 }
 644
 645                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 646         }
 647         ltid = NULL;
 648         op->o_private = NULL;
 649
 650         if( rs->sr_err != 0 ) {
 651 #ifdef NEW_LOGGING
 652                 LDAP_LOG ( OPERATION, ERR,
 653                         "bdb_modify: txn_%s failed %s (%d)\n",
 654                         op->o_noop ? "abort (no_op)" : "commit",
 655                         db_strerror(rs->sr_err), rs->sr_err );
 656 #else
 657                 Debug( LDAP_DEBUG_TRACE,
 658                         "bdb_modify: txn_%s failed: %s (%d)\n",
 659                         op->o_noop ? "abort (no-op)" : "commit",
 660                         db_strerror(rs->sr_err), rs->sr_err );
 661 #endif
 662                 rs->sr_err = LDAP_OTHER;
 663                 rs->sr_text = "commit failed";
 664
 665                 goto return_results;
 666         }
 667
 668 #ifdef NEW_LOGGING
 669         LDAP_LOG ( OPERATION, DETAIL1,
 670                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 671                 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
 672 #else
 673         Debug( LDAP_DEBUG_TRACE,
 674                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 675                 op->o_noop ? " (no-op)" : "",
 676                 e->e_id, e->e_dn );
 677 #endif
 678
 679         rs->sr_err = LDAP_SUCCESS;
 680         rs->sr_text = NULL;
 681         if( num_ctrls ) rs->sr_ctrls = ctrls;
 682
 683 return_results:
 684         send_ldap_result( op, rs );
 685
 686         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 687                 ldap_pvt_thread_yield();
 688                 TXN_CHECKPOINT( bdb->bi_dbenv,
 689                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 690         }
 691
 692 done:
 693         if( ltid != NULL ) {
 694                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 695                 while ( pm_list != NULL ) {
 696                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 697                         pm_prev = pm_list;
 698                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 699                         ch_free( pm_prev );
 700                 }
 701                 TXN_ABORT( ltid );
 702                 op->o_private = NULL;
 703         }
 704
 705         if( e != NULL ) {
 706                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 707         }
 708         return rs->sr_err;
 709 }