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

   1 /* modify.c - bdb backend modify routine */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11 #include <ac/string.h>
  12 #include <ac/time.h>
  13
  14 #include "back-bdb.h"
  15 #include "external.h"
  16
  17 #define INDEXED 0x2000
  18 #define NULLIFIED       0x4000
  19
  20 int bdb_modify_internal(
  21         Operation *op,
  22         DB_TXN *tid,
  23         Modifications *modlist,
  24         Entry *e,
  25         const char **text,
  26         char *textbuf,
  27         size_t textlen )
  28 {
  29         int rc, err;
  30         Modification    *mod;
  31         Modifications   *ml;
  32         Attribute       *save_attrs;
  33         Attribute       *ap;
  34
  35 #ifdef NEW_LOGGING
  36         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
  37                 e->e_id, e->e_dn, 0 );
  38 #else
  39         Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
  40                 e->e_id, e->e_dn, 0);
  41 #endif
  42
  43         if ( !acl_check_modlist( op, e, modlist )) {
  44                 return LDAP_INSUFFICIENT_ACCESS;
  45         }
  46
  47         /* save_attrs will be disposed of by bdb_cache_modify */
  48         save_attrs = e->e_attrs;
  49         e->e_attrs = attrs_dup( e->e_attrs );
  50
  51         for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
  52                 mod = &ml->sml_mod;
  53
  54                 switch ( mod->sm_op ) {
  55                 case LDAP_MOD_ADD:
  56 #ifdef NEW_LOGGING
  57                         LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
  58 #else
  59                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
  60 #endif
  61                         err = modify_add_values( e, mod, get_permissiveModify(op),
  62                                 text, textbuf, textlen );
  63                         if( err != LDAP_SUCCESS ) {
  64 #ifdef NEW_LOGGING
  65                                 LDAP_LOG ( OPERATION, ERR,
  66                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
  67 #else
  68                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
  69                                         err, *text, 0);
  70 #endif
  71                         }
  72                         break;
  73
  74                 case LDAP_MOD_DELETE:
  75 #ifdef NEW_LOGGING
  76                         LDAP_LOG ( OPERATION, DETAIL1,
  77                                 "bdb_modify_internal: delete\n", 0, 0, 0 );
  78 #else
  79                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
  80 #endif
  81                         err = modify_delete_values( e, mod, get_permissiveModify(op),
  82                                 text, textbuf, textlen );
  83                         assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
  84                         if( err != LDAP_SUCCESS ) {
  85 #ifdef NEW_LOGGING
  86                                 LDAP_LOG ( OPERATION, ERR,
  87                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
  88 #else
  89                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
  90                                         err, *text, 0);
  91 #endif
  92                         }
  93                         break;
  94
  95                 case LDAP_MOD_REPLACE:
  96 #ifdef NEW_LOGGING
  97                         LDAP_LOG ( OPERATION, DETAIL1,
  98                                 "bdb_modify_internal: replace\n", 0, 0, 0 );
  99 #else
 100                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
 101 #endif
 102                         err = modify_replace_values( e, mod, get_permissiveModify(op),
 103                                 text, textbuf, textlen );
 104                         if( err != LDAP_SUCCESS ) {
 105 #ifdef NEW_LOGGING
 106                                 LDAP_LOG ( OPERATION, ERR,
 107                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 108 #else
 109                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 110                                         err, *text, 0);
 111 #endif
 112                         }
 113                         break;
 114
 115                 case LDAP_MOD_INCREMENT:
 116 #ifdef NEW_LOGGING
 117                         LDAP_LOG ( OPERATION, DETAIL1,
 118                                 "bdb_modify_internal: increment\n", 0, 0, 0 );
 119 #else
 120                         Debug(LDAP_DEBUG_ARGS,
 121                                 "bdb_modify_internal: increment\n", 0, 0, 0);
 122 #endif
 123                         err = modify_increment_values( e, mod, get_permissiveModify(op),
 124                                 text, textbuf, textlen );
 125                         if( err != LDAP_SUCCESS ) {
 126 #ifdef NEW_LOGGING
 127                                 LDAP_LOG ( OPERATION, ERR,
 128                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 129 #else
 130                                 Debug(LDAP_DEBUG_ARGS,
 131                                         "bdb_modify_internal: %d %s\n",
 132                                         err, *text, 0);
 133 #endif
 134                         }
 135                         break;
 136
 137                 case SLAP_MOD_SOFTADD:
 138 #ifdef NEW_LOGGING
 139                         LDAP_LOG ( OPERATION, DETAIL1,
 140                                 "bdb_modify_internal: softadd\n",0,0,0 );
 141 #else
 142                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
 143 #endif
 144                         /* Avoid problems in index_add_mods()
 145                          * We need to add index if necessary.
 146                          */
 147                         mod->sm_op = LDAP_MOD_ADD;
 148
 149                         err = modify_add_values( e, mod, get_permissiveModify(op),
 150                                 text, textbuf, textlen );
 151
 152                         mod->sm_op = SLAP_MOD_SOFTADD;
 153
 154                         if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
 155                                 err = LDAP_SUCCESS;
 156                         }
 157
 158                         if( err != LDAP_SUCCESS ) {
 159 #ifdef NEW_LOGGING
 160                                 LDAP_LOG ( OPERATION, ERR,
 161                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 162 #else
 163                                 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 164                                         err, *text, 0);
 165 #endif
 166                         }
 167                         break;
 168
 169                 default:
 170 #ifdef NEW_LOGGING
 171                                 LDAP_LOG ( OPERATION, ERR,
 172                                         "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
 173 #else
 174                         Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
 175                                 mod->sm_op, 0, 0);
 176 #endif
 177                         *text = "Invalid modify operation";
 178                         err = LDAP_OTHER;
 179 #ifdef NEW_LOGGING
 180                                 LDAP_LOG ( OPERATION, ERR,
 181                                         "bdb_modify_internal: %d %s\n", err, *text, 0 );
 182 #else
 183                         Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
 184                                 err, *text, 0);
 185 #endif
 186                 }
 187
 188                 if ( err != LDAP_SUCCESS ) {
 189                         attrs_free( e->e_attrs );
 190                         e->e_attrs = save_attrs;
 191                         /* unlock entry, delete from cache */
 192                         return err;
 193                 }
 194
 195                 /* If objectClass was modified, reset the flags */
 196                 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
 197                         e->e_ocflags = 0;
 198                 }
 199         }
 200
 201         /* check that the entry still obeys the schema */
 202         rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
 203         if ( rc != LDAP_SUCCESS || op->o_noop ) {
 204                 attrs_free( e->e_attrs );
 205                 e->e_attrs = save_attrs;
 206
 207                 if ( rc != LDAP_SUCCESS ) {
 208 #ifdef NEW_LOGGING
 209                         LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
 210                                 "entry failed schema check %s\n",
 211                                 *text, 0, 0 );
 212 #else
 213                         Debug( LDAP_DEBUG_ANY,
 214                                 "entry failed schema check: %s\n",
 215                                 *text, 0, 0 );
 216 #endif
 217                 }
 218
 219                 /* if NOOP then silently revert to saved attrs */
 220                 return rc;
 221         }
 222
 223         /* update the indices of the modified attributes */
 224         if ( !op->o_noop ) {
 225                 Modifications *m2;
 226
 227                 /* First look for any deletes that would nullify any adds
 228                  * in this request. I.e., deleting an entire attribute after
 229                  * assigning some values to it.
 230                  */
 231                 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
 232                         if (bdb_index_is_indexed( op->o_bd, ml->sml_desc ))
 233                                 continue;
 234                         switch ( ml->sml_op ) {
 235                         case LDAP_MOD_DELETE:
 236                                 /* If just deleting specific values, ignore */
 237                                 if ( ml->sml_bvalues ) break;
 238                         case LDAP_MOD_REPLACE:
 239                                 for ( m2 = modlist; m2 != ml; m2 = m2->sml_next ) {
 240                                         if ( m2->sml_desc == ml->sml_desc &&
 241                                                 m2->sml_op != LDAP_MOD_DELETE )
 242                                                 m2->sml_op |= NULLIFIED;
 243                                 }
 244                                 break;
 245                         }
 246                         ml->sml_op |= INDEXED;
 247                 }
 248                 /* Now index the modifications */
 249                 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
 250                         if ( ! (ml->sml_op & INDEXED) ) continue;
 251                         ml->sml_op ^= INDEXED;
 252                         switch ( ml->sml_op ) {
 253                         case LDAP_MOD_DELETE:
 254                                 if ( ml->sml_bvalues ) {
 255                                         ap = attr_find( e->e_attrs, ml->sml_desc );
 256                                         rc = bdb_index_values( op, tid, ml->sml_desc,
 257                                                 ml->sml_nvalues ? ml->sml_nvalues : ml->sml_bvalues,
 258                                                 ap ? ap->a_nvals : NULL,
 259                                                 e->e_id, SLAP_INDEX_DELETE_OP );
 260                                         break;
 261                                 }
 262                                 /* FALLTHRU */
 263                         case LDAP_MOD_REPLACE:
 264                         /* A nullified replace still does its delete action */
 265                         case LDAP_MOD_REPLACE | NULLIFIED:
 266                                 ap = attr_find( save_attrs, ml->sml_desc );
 267                                 if ( ap != NULL ) {
 268                                         rc = bdb_index_values( op, tid, ap->a_desc,
 269                                                 ap->a_nvals, NULL,
 270                                                 e->e_id, SLAP_INDEX_DELETE_OP );
 271                                 } else {
 272                                         rc = LDAP_SUCCESS;
 273                                 }
 274                                 if ( rc || ml->sml_op == LDAP_MOD_DELETE ||
 275                                         (ml->sml_op & NULLIFIED))
 276                                         break;
 277                                 /* FALLTHRU */
 278                         case LDAP_MOD_ADD:
 279                         case SLAP_MOD_SOFTADD:
 280                                 rc = bdb_index_values( op, tid, ml->sml_desc,
 281                                         ml->sml_nvalues ? ml->sml_nvalues : ml->sml_bvalues,
 282                                         NULL, e->e_id, SLAP_INDEX_ADD_OP );
 283                                 break;
 284                         }
 285                         ml->sml_op &= ~NULLIFIED;
 286                         if ( rc != LDAP_SUCCESS ) {
 287                                 attrs_free( e->e_attrs );
 288                                 e->e_attrs = save_attrs;
 289 #ifdef NEW_LOGGING
 290                                 LDAP_LOG ( OPERATION, ERR,
 291                                         "bdb_modify_internal: attribute index update failure\n",
 292                                         0, 0, 0 );
 293 #else
 294                                 Debug( LDAP_DEBUG_ANY,
 295                                        "Attribute index update failure",
 296                                        0, 0, 0 );
 297 #endif
 298                                 /* reset our flags */
 299                                 for (; ml; ml=ml->sml_next ) {
 300                                         ml->sml_op &= ~(INDEXED | NULLIFIED);
 301                                 }
 302                                 break;
 303                         }
 304                 }
 305         }
 306
 307         return rc;
 308 }
 309
 310
 311 int
 312 bdb_modify( Operation *op, SlapReply *rs )
 313 {
 314         struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
 315         Entry           *e = NULL;
 316         EntryInfo       *ei = NULL;
 317         int             manageDSAit = get_manageDSAit( op );
 318         char textbuf[SLAP_TEXT_BUFLEN];
 319         size_t textlen = sizeof textbuf;
 320         DB_TXN  *ltid = NULL, *lt2;
 321         struct bdb_op_info opinfo;
 322         Entry           dummy;
 323
 324         u_int32_t       locker = 0;
 325         DB_LOCK         lock;
 326
 327         int             noop = 0;
 328
 329         int             num_retries = 0;
 330
 331         LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
 332         int num_ctrls = 0;
 333
 334         Operation* ps_list;
 335         struct psid_entry *pm_list, *pm_prev;
 336         int rc;
 337         EntryInfo       *suffix_ei;
 338         Entry           *ctxcsn_e;
 339         int                     ctxcsn_added = 0;
 340
 341 #ifdef NEW_LOGGING
 342         LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
 343 #else
 344         Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n", op->o_req_dn.bv_val, 0, 0 );
 345 #endif
 346
 347         if( 0 ) {
 348 retry:  /* transaction retry */
 349                 if( e != NULL ) {
 350                         bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
 351                         e = NULL;
 352                 }
 353 #ifdef NEW_LOGGING
 354                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
 355 #else
 356                 Debug(LDAP_DEBUG_TRACE,
 357                         "bdb_modify: retrying...\n", 0, 0, 0);
 358 #endif
 359
 360                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 361                 while ( pm_list != NULL ) {
 362                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 363                         pm_prev = pm_list;
 364                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 365                         ch_free( pm_prev );
 366                 }
 367
 368                 rs->sr_err = TXN_ABORT( ltid );
 369                 ltid = NULL;
 370                 op->o_private = NULL;
 371                 op->o_do_not_cache = opinfo.boi_acl_cache;
 372                 if( rs->sr_err != 0 ) {
 373                         rs->sr_err = LDAP_OTHER;
 374                         rs->sr_text = "internal error";
 375                         goto return_results;
 376                 }
 377                 bdb_trans_backoff( ++num_retries );
 378                 ldap_pvt_thread_yield();
 379         }
 380
 381         /* begin transaction */
 382         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid,
 383                 bdb->bi_db_opflags );
 384         rs->sr_text = NULL;
 385         if( rs->sr_err != 0 ) {
 386 #ifdef NEW_LOGGING
 387                 LDAP_LOG ( OPERATION, DETAIL1,
 388                         "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 389 #else
 390                 Debug( LDAP_DEBUG_TRACE,
 391                         "bdb_modify: txn_begin failed: %s (%d)\n",
 392                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 393 #endif
 394                 rs->sr_err = LDAP_OTHER;
 395                 rs->sr_text = "internal error";
 396                 goto return_results;
 397         }
 398
 399         locker = TXN_ID ( ltid );
 400
 401         opinfo.boi_bdb = op->o_bd;
 402         opinfo.boi_txn = ltid;
 403         opinfo.boi_locker = locker;
 404         opinfo.boi_err = 0;
 405         opinfo.boi_acl_cache = op->o_do_not_cache;
 406         op->o_private = &opinfo;
 407
 408         /* get entry or ancestor */
 409         rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
 410                 locker, &lock );
 411
 412         if ( rs->sr_err != 0 ) {
 413 #ifdef NEW_LOGGING
 414                 LDAP_LOG ( OPERATION, DETAIL1,
 415                         "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
 416 #else
 417                 Debug( LDAP_DEBUG_TRACE,
 418                         "bdb_modify: dn2entry failed (%d)\n",
 419                         rs->sr_err, 0, 0 );
 420 #endif
 421                 switch( rs->sr_err ) {
 422                 case DB_LOCK_DEADLOCK:
 423                 case DB_LOCK_NOTGRANTED:
 424                         goto retry;
 425                 case DB_NOTFOUND:
 426                         break;
 427                 case LDAP_BUSY:
 428                         rs->sr_text = "ldap server busy";
 429                         goto return_results;
 430                 default:
 431                         rs->sr_err = LDAP_OTHER;
 432                         rs->sr_text = "internal error";
 433                         goto return_results;
 434                 }
 435         }
 436
 437         e = ei->bei_e;
 438         /* acquire and lock entry */
 439         /* FIXME: dn2entry() should return non-glue entry */
 440         if (( rs->sr_err == DB_NOTFOUND ) || ( !manageDSAit && e && is_entry_glue( e ))) {
 441                 if ( e != NULL ) {
 442                         rs->sr_matched = ch_strdup( e->e_dn );
 443                         rs->sr_ref = is_entry_referral( e )
 444                                 ? get_entry_referrals( op, e )
 445                                 : NULL;
 446                         bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
 447                         e = NULL;
 448
 449                 } else {
 450                         BerVarray deref = op->o_bd->syncinfo ?
 451                                                           op->o_bd->syncinfo->provideruri_bv : default_referral;
 452                         rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
 453                 }
 454
 455                 rs->sr_err = LDAP_REFERRAL;
 456                 send_ldap_result( op, rs );
 457
 458                 ber_bvarray_free( rs->sr_ref );
 459                 free( (char *)rs->sr_matched );
 460                 rs->sr_ref = NULL;
 461                 rs->sr_matched = NULL;
 462
 463                 goto done;
 464         }
 465
 466         if ( !manageDSAit && is_entry_referral( e ) ) {
 467                 /* entry is a referral, don't allow modify */
 468                 rs->sr_ref = get_entry_referrals( op, e );
 469
 470 #ifdef NEW_LOGGING
 471                 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: entry is referral\n", 0, 0, 0 );
 472 #else
 473                 Debug( LDAP_DEBUG_TRACE,
 474                         "bdb_modify: entry is referral\n",
 475                         0, 0, 0 );
 476 #endif
 477
 478                 rs->sr_err = LDAP_REFERRAL;
 479                 rs->sr_matched = e->e_name.bv_val;
 480                 send_ldap_result( op, rs );
 481
 482                 ber_bvarray_free( rs->sr_ref );
 483                 rs->sr_ref = NULL;
 484                 rs->sr_matched = NULL;
 485                 goto done;
 486         }
 487
 488         if ( get_assert( op ) &&
 489                 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
 490         {
 491                 rs->sr_err = LDAP_ASSERTION_FAILED;
 492                 goto return_results;
 493         }
 494
 495         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 496                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 497                         bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
 498                 }
 499         }
 500
 501         if( op->o_preread ) {
 502                 if ( slap_read_controls( op, rs, e,
 503                         &slap_pre_read_bv, &ctrls[num_ctrls] ) )
 504                 {
 505 #ifdef NEW_LOGGING
 506                         LDAP_LOG ( OPERATION, DETAIL1,
 507                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 508 #else
 509                         Debug( LDAP_DEBUG_TRACE,
 510                                 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
 511 #endif
 512                         goto return_results;
 513                 }
 514                 ctrls[++num_ctrls] = NULL;
 515                 op->o_preread = 0; /* prevent redo on retry */
 516         }
 517
 518         /* nested transaction */
 519         rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2,
 520                 bdb->bi_db_opflags );
 521         rs->sr_text = NULL;
 522         if( rs->sr_err != 0 ) {
 523 #ifdef NEW_LOGGING
 524                 LDAP_LOG ( OPERATION, ERR,
 525                         "bdb_modify: txn_begin(2) failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
 526 #else
 527                 Debug( LDAP_DEBUG_TRACE,
 528                         "bdb_modify: txn_begin(2) failed: %s (%d)\n",
 529                         db_strerror(rs->sr_err), rs->sr_err, 0 );
 530 #endif
 531                 rs->sr_err = LDAP_OTHER;
 532                 rs->sr_text = "internal error";
 533                 goto return_results;
 534         }
 535         /* Modify the entry */
 536         dummy = *e;
 537         rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
 538                 &dummy, &rs->sr_text, textbuf, textlen );
 539
 540         if( rs->sr_err != LDAP_SUCCESS ) {
 541 #ifdef NEW_LOGGING
 542                 LDAP_LOG ( OPERATION, ERR,
 543                         "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
 544 #else
 545                 Debug( LDAP_DEBUG_TRACE,
 546                         "bdb_modify: modify failed (%d)\n",
 547                         rs->sr_err, 0, 0 );
 548 #endif
 549                 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
 550                         rs->sr_err = opinfo.boi_err;
 551                 }
 552                 switch( rs->sr_err ) {
 553                 case DB_LOCK_DEADLOCK:
 554                 case DB_LOCK_NOTGRANTED:
 555                         goto retry;
 556                 }
 557                 goto return_results;
 558         }
 559
 560         if( op->o_postread ) {
 561                 if( slap_read_controls( op, rs, e,
 562                         &slap_post_read_bv, &ctrls[num_ctrls] ) )
 563                 {
 564 #ifdef NEW_LOGGING
 565                         LDAP_LOG ( OPERATION, DETAIL1,
 566                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 567 #else
 568                         Debug( LDAP_DEBUG_TRACE,
 569                                 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
 570 #endif
 571                         goto return_results;
 572                 }
 573                 ctrls[++num_ctrls] = NULL;
 574                 op->o_postread = 0;  /* prevent redo on retry */
 575                 /* FIXME: should read entry on the last retry */
 576         }
 577
 578         /* change the entry itself */
 579         rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
 580         if ( rs->sr_err != 0 ) {
 581 #ifdef NEW_LOGGING
 582                 LDAP_LOG ( OPERATION, ERR,
 583                         "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
 584 #else
 585                 Debug( LDAP_DEBUG_TRACE,
 586                         "bdb_modify: id2entry update failed (%d)\n",
 587                         rs->sr_err, 0, 0 );
 588 #endif
 589                 switch( rs->sr_err ) {
 590                 case DB_LOCK_DEADLOCK:
 591                 case DB_LOCK_NOTGRANTED:
 592                         goto retry;
 593                 }
 594                 rs->sr_text = "entry update failed";
 595                 goto return_results;
 596         }
 597
 598         if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
 599                 rs->sr_err = LDAP_OTHER;
 600                 rs->sr_text = "txn_commit(2) failed";
 601                 goto return_results;
 602         }
 603
 604         if ( !op->o_bd->syncinfo ) {
 605                 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
 606                         &ctxcsn_e, &ctxcsn_added, locker );
 607                 switch ( rc ) {
 608                 case BDB_CSN_ABORT :
 609                         goto return_results;
 610                 case BDB_CSN_RETRY :
 611                         goto retry;
 612                 }
 613         }
 614
 615         if( op->o_noop ) {
 616                 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
 617                         rs->sr_text = "txn_abort (no-op) failed";
 618                 } else {
 619                         noop = 1;
 620                         rs->sr_err = LDAP_SUCCESS;
 621                 }
 622         } else {
 623                 struct berval ctx_nrdn;
 624                 EntryInfo *ctx_ei;
 625
 626                 bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
 627
 628                 if ( !op->o_bd->syncinfo ) {
 629                         if ( ctxcsn_added ) {
 630                                 ctx_nrdn.bv_val = "cn=ldapsync";
 631                                 ctx_nrdn.bv_len = strlen( ctx_nrdn.bv_val );
 632                                 bdb_cache_add( bdb, suffix_ei, ctxcsn_e, &ctx_nrdn, locker );
 633                         }
 634                 }
 635
 636                 rs->sr_err = TXN_COMMIT( ltid, 0 );
 637         }
 638         ltid = NULL;
 639         op->o_private = NULL;
 640
 641         if( rs->sr_err != 0 ) {
 642 #ifdef NEW_LOGGING
 643                 LDAP_LOG ( OPERATION, ERR,
 644                         "bdb_modify: txn_%s failed %s (%d)\n",
 645                         op->o_noop ? "abort (no_op)" : "commit",
 646                         db_strerror(rs->sr_err), rs->sr_err );
 647 #else
 648                 Debug( LDAP_DEBUG_TRACE,
 649                         "bdb_modify: txn_%s failed: %s (%d)\n",
 650                         op->o_noop ? "abort (no-op)" : "commit",
 651                         db_strerror(rs->sr_err), rs->sr_err );
 652 #endif
 653                 rs->sr_err = LDAP_OTHER;
 654                 rs->sr_text = "commit failed";
 655
 656                 goto return_results;
 657         }
 658
 659 #ifdef NEW_LOGGING
 660         LDAP_LOG ( OPERATION, DETAIL1,
 661                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 662                 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
 663 #else
 664         Debug( LDAP_DEBUG_TRACE,
 665                 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
 666                 op->o_noop ? " (no-op)" : "",
 667                 e->e_id, e->e_dn );
 668 #endif
 669
 670         rs->sr_err = LDAP_SUCCESS;
 671         rs->sr_text = NULL;
 672         if( num_ctrls ) rs->sr_ctrls = ctrls;
 673
 674 return_results:
 675         send_ldap_result( op, rs );
 676
 677         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 678                 /* Loop through in-scope entries for each psearch spec */
 679                 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
 680                         bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
 681                 }
 682                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 683                 while ( pm_list != NULL ) {
 684                         bdb_psearch(op, rs, pm_list->ps_op,
 685                                                 e, LDAP_PSEARCH_BY_SCOPEOUT);
 686                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 687                         pm_prev = pm_list;
 688                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 689                         ch_free( pm_prev );
 690                 }
 691         }
 692
 693         if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
 694                 ldap_pvt_thread_yield();
 695                 TXN_CHECKPOINT( bdb->bi_dbenv,
 696                         bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
 697         }
 698
 699 done:
 700         if( ltid != NULL ) {
 701                 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
 702                 while ( pm_list != NULL ) {
 703                         LDAP_LIST_REMOVE ( pm_list, ps_link );
 704                         pm_prev = pm_list;
 705                         pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
 706                         ch_free( pm_prev );
 707                 }
 708                 TXN_ABORT( ltid );
 709                 op->o_private = NULL;
 710         }
 711
 712         if( e != NULL ) {
 713                 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
 714         }
 715         return ( ( rs->sr_err == LDAP_SUCCESS ) ? noop : rs->sr_err );
 716 }