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

   1 /* lcup.c - lcup operations */
   2 /*
   3  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6
   7 #include "portable.h"
   8
   9 #include <stdio.h>
  10
  11 #include "back-bdb.h"
  12 #include "idl.h"
  13 #include "external.h"
  14
  15 #ifdef LDAP_CLIENT_UPDATE
  16
  17 int
  18 bdb_abandon(
  19         BackendDB       *be,
  20         Connection      *conn,
  21         ber_int_t       id )
  22 {
  23         Operation       *ps_list;
  24         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  25
  26         LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
  27                 if ( ps_list->o_connid == conn->c_connid ) {
  28                         if ( ps_list->o_msgid == id ) {
  29                                 ps_list->o_abandon = 1;
  30                                 LDAP_LIST_REMOVE( ps_list, link );
  31                                 slap_op_free ( ps_list );
  32                                 return LDAP_SUCCESS;
  33                         }
  34                 }
  35         }
  36         return LDAP_UNAVAILABLE;
  37 }
  38
  39 int
  40 bdb_add_psearch_spec(
  41         BackendDB       *be,
  42         Connection      *conn,
  43         Operation       *op,
  44         struct berval   *base,
  45         struct berval   *nbase,
  46         int             scope,
  47         int             deref,
  48         int             slimit,
  49         int             tlimit,
  50         Filter          *filter,
  51         struct berval   *fstr,
  52         AttributeName   *attrs,
  53         int             attrsonly )
  54 {
  55         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  56
  57         LDAP_LIST_FIRST(&op->psearch_spec) = (struct lcup_search_spec *)
  58                         calloc ( 1, sizeof ( struct lcup_search_spec ) );
  59
  60         LDAP_LIST_FIRST(&op->psearch_spec)->op = op;
  61
  62         LDAP_LIST_FIRST(&op->psearch_spec)->base = ber_dupbv(NULL, base);
  63         LDAP_LIST_FIRST(&op->psearch_spec)->nbase = ber_dupbv(NULL, nbase);
  64
  65         LDAP_LIST_FIRST(&op->psearch_spec)->scope = scope;
  66         LDAP_LIST_FIRST(&op->psearch_spec)->deref = deref;
  67         LDAP_LIST_FIRST(&op->psearch_spec)->slimit = slimit;
  68         LDAP_LIST_FIRST(&op->psearch_spec)->tlimit = tlimit;
  69
  70         LDAP_LIST_FIRST(&op->psearch_spec)->filter = filter;
  71         LDAP_LIST_FIRST(&op->psearch_spec)->filterstr = ber_dupbv(NULL, fstr);
  72         LDAP_LIST_FIRST(&op->psearch_spec)->attrs = attrs;
  73
  74         LDAP_LIST_FIRST(&op->psearch_spec)->attrsonly = attrsonly;
  75
  76         LDAP_LIST_FIRST(&op->psearch_spec)->entry_count = 0;
  77
  78         LDAP_LIST_INSERT_HEAD( &bdb->psearch_list, op, link );
  79 }
  80
  81 int
  82 bdb_psearch(
  83         BackendDB       *be,
  84         Connection      *conn,
  85         Operation       *op,
  86         Operation       *ps_op,
  87         Entry           *entry,
  88         int             psearch_type )
  89 {
  90         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  91         int             rc;
  92         const char *text = NULL;
  93         time_t          stoptime;
  94         unsigned        cursor;
  95         ID              id;
  96         ID              candidates[BDB_IDL_UM_SIZE];
  97         Entry           *e = NULL;
  98         BerVarray v2refs = NULL;
  99         Entry   *matched = NULL;
 100         struct berval   realbase = { 0, NULL };
 101         int             nentries = 0;
 102         int             manageDSAit;
 103
 104         Filter lcupf, csnfnot, csnfeq, csnfand, csnfge;
 105         AttributeAssertion aa_ge, aa_eq;
 106         struct berval entrycsn_bv = { 0, NULL };
 107         struct berval latest_entrycsn_bv = { 0, NULL };
 108
 109         struct slap_limits_set *limit = NULL;
 110         int isroot = 0;
 111         int scopeok = 0;
 112
 113 #ifdef SLAP_X_FILTER_HASSUBORDINATES
 114         int             filter_hasSubordinates = 0;
 115         Attribute       *hasSubordinates = NULL;
 116 #endif /* SLAP_X_FILTER_HASSUBORDINATES */
 117
 118         u_int32_t       locker;
 119         DB_LOCK         lock;
 120
 121         Connection      *ps_conn   = ps_op->o_conn;
 122         struct berval   *base      = LDAP_LIST_FIRST(&ps_op->psearch_spec)->base;
 123         struct berval   *nbase     = LDAP_LIST_FIRST(&ps_op->psearch_spec)->nbase;
 124         int             scope      = LDAP_LIST_FIRST(&ps_op->psearch_spec)->scope;
 125         int             deref      = LDAP_LIST_FIRST(&ps_op->psearch_spec)->deref;
 126         int             slimit     = LDAP_LIST_FIRST(&ps_op->psearch_spec)->slimit;
 127         int             tlimit     = LDAP_LIST_FIRST(&ps_op->psearch_spec)->tlimit;
 128         Filter          *filter    = LDAP_LIST_FIRST(&ps_op->psearch_spec)->filter;
 129         struct berval   *filterstr = LDAP_LIST_FIRST(&ps_op->psearch_spec)->filterstr;
 130         int             attrsonly  = LDAP_LIST_FIRST(&ps_op->psearch_spec)->attrsonly;
 131         AttributeName   *attrs;
 132
 133         if ( psearch_type != LCUP_PSEARCH_BY_DELETE &&
 134                                 psearch_type != LCUP_PSEARCH_BY_SCOPEOUT ) {
 135                 attrs     = LDAP_LIST_FIRST(&ps_op->psearch_spec)->attrs;
 136         } else {
 137                 attrs     = uuid_attr;
 138         }
 139
 140 #ifdef NEW_LOGGING
 141         LDAP_LOG ( OPERATION, ENTRY, "bdb_back_search\n", 0, 0, 0 );
 142 #else
 143         Debug( LDAP_DEBUG_TRACE, "=> bdb_back_search\n",
 144                 0, 0, 0);
 145 #endif
 146
 147         manageDSAit = get_manageDSAit( ps_op );
 148
 149         rc = LOCK_ID (bdb->bi_dbenv, &locker );
 150         switch(rc) {
 151         case 0:
 152                 break;
 153         default:
 154                 send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
 155                         NULL, "internal error", NULL, NULL );
 156                 return rc;
 157         }
 158
 159         if ( nbase->bv_len == 0 ) {
 160                 /* DIT root special case */
 161                 e = (Entry *) &slap_entry_root;
 162                 rc = 0;
 163         } else
 164 #ifdef BDB_ALIASES
 165         /* get entry with reader lock */
 166         if ( deref & LDAP_DEREF_FINDING ) {
 167                 e = deref_dn_r( be, nbase-, &err, &matched, &text );
 168
 169         } else
 170 #endif
 171         {
 172 dn2entry_retry:
 173                 rc = bdb_dn2entry_r( be, NULL, nbase, &e, &matched, 0, locker, &lock );
 174         }
 175
 176         switch(rc) {
 177         case DB_NOTFOUND:
 178         case 0:
 179                 break;
 180         case LDAP_BUSY:
 181                 if (e != NULL) {
 182                         bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
 183                 }
 184                 if (matched != NULL) {
 185                         bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
 186                 }
 187                 send_ldap_result( ps_conn, ps_op, LDAP_BUSY,
 188                         NULL, "ldap server busy", NULL, NULL );
 189                 LOCK_ID_FREE (bdb->bi_dbenv, locker );
 190                 return LDAP_BUSY;
 191         case DB_LOCK_DEADLOCK:
 192         case DB_LOCK_NOTGRANTED:
 193                 goto dn2entry_retry;
 194         default:
 195                 if (e != NULL) {
 196                         bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
 197                 }
 198                 if (matched != NULL) {
 199                         bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
 200                 }
 201                 send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
 202                         NULL, "internal error", NULL, NULL );
 203                 LOCK_ID_FREE (bdb->bi_dbenv, locker );
 204                 return rc;
 205         }
 206
 207         if ( e == NULL ) {
 208                 struct berval matched_dn = { 0, NULL };
 209                 BerVarray refs = NULL;
 210
 211                 if ( matched != NULL ) {
 212                         BerVarray erefs;
 213                         ber_dupbv( &matched_dn, &matched->e_name );
 214
 215                         erefs = is_entry_referral( matched )
 216                                 ? get_entry_referrals( be, ps_conn, ps_op, matched )
 217                                 : NULL;
 218
 219                         bdb_cache_return_entry_r (bdb->bi_dbenv, &bdb->bi_cache, matched, &lock);
 220                         matched = NULL;
 221
 222                         if( erefs ) {
 223                                 refs = referral_rewrite( erefs, &matched_dn,
 224                                         base, scope );
 225                                 ber_bvarray_free( erefs );
 226                         }
 227
 228                 } else {
 229                         refs = referral_rewrite( default_referral,
 230                                 NULL, base, scope );
 231                 }
 232
 233                 send_ldap_result( ps_conn, ps_op,       rc=LDAP_REFERRAL ,
 234                         matched_dn.bv_val, text, refs, NULL );
 235
 236                 LOCK_ID_FREE (bdb->bi_dbenv, locker );
 237                 if ( refs ) ber_bvarray_free( refs );
 238                 if ( matched_dn.bv_val ) ber_memfree( matched_dn.bv_val );
 239                 return rc;
 240         }
 241
 242         if (!manageDSAit && e != &slap_entry_root && is_entry_referral( e ) ) {
 243                 /* entry is a referral, don't allow add */
 244                 struct berval matched_dn;
 245                 BerVarray erefs, refs;
 246
 247                 ber_dupbv( &matched_dn, &e->e_name );
 248                 erefs = get_entry_referrals( be, ps_conn, ps_op, e );
 249                 refs = NULL;
 250
 251                 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
 252                 e = NULL;
 253
 254                 if( erefs ) {
 255                         refs = referral_rewrite( erefs, &matched_dn,
 256                                 base, scope );
 257                         ber_bvarray_free( erefs );
 258                 }
 259
 260 #ifdef NEW_LOGGING
 261                 LDAP_LOG ( OPERATION, RESULTS,
 262                         "bdb_search: entry is referral\n", 0, 0, 0 );
 263 #else
 264                 Debug( LDAP_DEBUG_TRACE, "bdb_search: entry is referral\n",
 265                         0, 0, 0 );
 266 #endif
 267
 268                 send_ldap_result( ps_conn, ps_op, LDAP_REFERRAL,
 269                         matched_dn.bv_val,
 270                         refs ? NULL : "bad referral object",
 271                         refs, NULL );
 272
 273                 LOCK_ID_FREE (bdb->bi_dbenv, locker );
 274                 ber_bvarray_free( refs );
 275                 ber_memfree( matched_dn.bv_val );
 276                 return 1;
 277         }
 278
 279         /* if not root, get appropriate limits */
 280         if ( be_isroot( be, &ps_op->o_ndn ) ) {
 281                 isroot = 1;
 282         } else {
 283                 ( void ) get_limits( be, &ps_op->o_ndn, &limit );
 284         }
 285
 286         /* The time/size limits come first because they require very little
 287          * effort, so there's no chance the candidates are selected and then
 288          * the request is not honored only because of time/size constraints */
 289
 290         /* if no time limit requested, use soft limit (unless root!) */
 291         if ( isroot ) {
 292                 if ( tlimit == 0 ) {
 293                         tlimit = -1;    /* allow root to set no limit */
 294                 }
 295
 296                 if ( slimit == 0 ) {
 297                         slimit = -1;
 298                 }
 299
 300         } else {
 301                 /* if no limit is required, use soft limit */
 302                 if ( tlimit <= 0 ) {
 303                         tlimit = limit->lms_t_soft;
 304
 305                 /* if requested limit higher than hard limit, abort */
 306                 } else if ( tlimit > limit->lms_t_hard ) {
 307                         /* no hard limit means use soft instead */
 308                         if ( limit->lms_t_hard == 0 && tlimit > limit->lms_t_soft ) {
 309                                 tlimit = limit->lms_t_soft;
 310
 311                         /* positive hard limit means abort */
 312                         } else if ( limit->lms_t_hard > 0 ) {
 313                                 send_search_result( ps_conn, ps_op,
 314                                                 LDAP_UNWILLING_TO_PERFORM,
 315                                                 NULL, NULL, NULL, NULL, 0 );
 316                                 rc = 0;
 317                                 goto done;
 318                         }
 319
 320                         /* negative hard limit means no limit */
 321                 }
 322
 323                 /* if no limit is required, use soft limit */
 324                 if ( slimit <= 0 ) {
 325                         slimit = limit->lms_s_soft;
 326
 327                 /* if requested limit higher than hard limit, abort */
 328                 } else if ( slimit > limit->lms_s_hard ) {
 329                         /* no hard limit means use soft instead */
 330                         if ( limit->lms_s_hard == 0 && slimit > limit->lms_s_soft ) {
 331                                 slimit = limit->lms_s_soft;
 332
 333                         /* positive hard limit means abort */
 334                         } else if ( limit->lms_s_hard > 0 ) {
 335                                 send_search_result( ps_conn, ps_op,
 336                                                 LDAP_UNWILLING_TO_PERFORM,
 337                                                 NULL, NULL, NULL, NULL, 0 );
 338                                 rc = 0;
 339                                 goto done;
 340                         }
 341
 342                         /* negative hard limit means no limit */
 343                 }
 344         }
 345
 346         /* compute it anyway; root does not use it */
 347         stoptime = ps_op->o_time + tlimit;
 348
 349         /* candidates = { e } */
 350         candidates[0] = 1;
 351         candidates[1] = entry->e_id;
 352
 353         /* need normalized dn below */
 354         ber_dupbv( &realbase, &e->e_nname );
 355
 356         if ( e != &slap_entry_root ) {
 357                 bdb_cache_return_entry_r(bdb->bi_dbenv, &bdb->bi_cache, e, &lock);
 358         }
 359         e = NULL;
 360
 361         if ( candidates[0] == 0 ) {
 362 #ifdef NEW_LOGGING
 363                 LDAP_LOG ( OPERATION, RESULTS,
 364                         "bdb_search: no candidates\n", 0, 0, 0 );
 365 #else
 366                 Debug( LDAP_DEBUG_TRACE, "bdb_search: no candidates\n",
 367                         0, 0, 0 );
 368 #endif
 369
 370                 send_search_result( ps_conn, ps_op,
 371                         LDAP_SUCCESS,
 372                         NULL, NULL, NULL, NULL, 0 );
 373
 374                 rc = 1;
 375                 goto done;
 376         }
 377
 378         /* if not root and candidates exceed to-be-checked entries, abort */
 379         if ( !isroot && limit->lms_s_unchecked != -1 ) {
 380                 if ( BDB_IDL_N(candidates) > (unsigned) limit->lms_s_unchecked ) {
 381                         send_search_result( ps_conn, ps_op,
 382                                         LDAP_ADMINLIMIT_EXCEEDED,
 383                                         NULL, NULL, NULL, NULL, 0 );
 384                         rc = 1;
 385                         goto done;
 386                 }
 387         }
 388
 389 #ifdef SLAP_X_FILTER_HASSUBORDINATES
 390         /*
 391          * is hasSubordinates used in the filter ?
 392          * FIXME: we may compute this directly when parsing the filter
 393          */
 394         filter_hasSubordinates = filter_has_subordinates( filter );
 395 #endif /* SLAP_X_FILTER_HASSUBORDINATES */
 396
 397         lcupf.f_choice = LDAP_FILTER_AND;
 398         lcupf.f_and = &csnfnot;
 399         lcupf.f_next = NULL;
 400
 401         csnfnot.f_choice = LDAP_FILTER_NOT;
 402         csnfnot.f_not = &csnfeq;
 403         csnfnot.f_next = &csnfand;
 404
 405         csnfeq.f_choice = LDAP_FILTER_EQUALITY;
 406         csnfeq.f_ava = &aa_eq;
 407         csnfeq.f_av_desc = slap_schema.si_ad_entryCSN;
 408         ber_dupbv( &csnfeq.f_av_value, &ps_op->o_clientupdate_state );
 409
 410         csnfand.f_choice = LDAP_FILTER_AND;
 411         csnfand.f_and = &csnfge;
 412         csnfand.f_next = NULL;
 413
 414         csnfge.f_choice = LDAP_FILTER_GE;
 415         csnfge.f_ava = &aa_ge;
 416         csnfge.f_av_desc = slap_schema.si_ad_entryCSN;
 417         ber_dupbv( &csnfge.f_av_value, &ps_op->o_clientupdate_state );
 418         csnfge.f_next = filter;
 419
 420         if ( !BDB_IDL_IS_RANGE( candidates ) ) {
 421                 cursor = bdb_idl_search( candidates, entry->e_id );
 422                 if ( candidates[cursor] != entry->e_id ) {
 423                         rc = LDAP_SUCCESS;
 424                         goto done;
 425                 }
 426         } else {
 427                 if ( entry->e_id < BDB_IDL_RANGE_FIRST(candidates) &&
 428                      entry->e_id > BDB_IDL_RANGE_LAST(candidates) ) {
 429                         rc = LDAP_SUCCESS;
 430                         goto done;
 431                 }
 432         }
 433
 434         id = entry->e_id;
 435
 436         /* check for abandon */
 437         if ( ps_op->o_abandon ) {
 438                 rc = 0;
 439                 goto done;
 440         }
 441
 442         /* check time limit */
 443         if ( tlimit != -1 && slap_get_time() > stoptime ) {
 444                 send_search_result( ps_conn, ps_op, rc = LDAP_TIMELIMIT_EXCEEDED,
 445                         NULL, NULL, v2refs, NULL, nentries );
 446                 goto done;
 447         }
 448
 449         e = entry;
 450
 451 #ifdef BDB_SUBENTRIES
 452         if ( is_entry_subentry( e ) ) {
 453                 if( scope != LDAP_SCOPE_BASE ) {
 454                         if(!get_subentries_visibility( ps_op )) {
 455                                 /* only subentries are visible */
 456                                 goto test_done;
 457                         }
 458
 459                 } else if ( get_subentries( ps_op ) &&
 460                         !get_subentries_visibility( ps_op ))
 461                 {
 462                         /* only subentries are visible */
 463                         goto test_done;
 464                 }
 465
 466         } else if ( get_subentries_visibility( ps_op )) {
 467                 /* only subentries are visible */
 468                 goto test_done;
 469         }
 470 #endif
 471
 472 #ifdef BDB_ALIASES
 473         if ( deref & LDAP_DEREF_SEARCHING && is_entry_alias( e ) ) {
 474                 Entry *matched;
 475                 int err;
 476                 const char *text;
 477
 478                 e = deref_entry_r( be, e, &err, &matched, &text );
 479
 480                 if( e == NULL ) {
 481                         e = matched;
 482                         goto test_done;
 483                 }
 484
 485                 if( e->e_id == id ) {
 486                         /* circular loop */
 487                         goto test_done;
 488                 }
 489
 490                 /* need to skip alias which deref into scope */
 491                 if( scope & LDAP_SCOPE_ONELEVEL ) {
 492                         struct berval   pdn;
 493
 494                         dnParent( &e->e_nname, &pdn ):
 495                         if ( ber_bvcmp( pdn, &realbase ) ) {
 496                                 goto test_done;
 497                         }
 498
 499                 } else if ( dnIsSuffix( &e->e_nname, &realbase ) ) {
 500                         /* alias is within scope */
 501 #ifdef NEW_LOGGING
 502                         LDAP_LOG ( OPERATION, RESULTS,
 503                                 "bdb_search: \"%s\" in subtree\n", e->edn, 0, 0);
 504 #else
 505                         Debug( LDAP_DEBUG_TRACE,
 506                                 "bdb_search: \"%s\" in subtree\n",
 507                                 e->e_dn, 0, 0 );
 508 #endif
 509                         goto test_done;
 510                 }
 511
 512                 scopeok = 1;
 513         }
 514 #endif
 515
 516         /*
 517          * if it's a referral, add it to the list of referrals. only do
 518          * this for non-base searches, and don't check the filter
 519          * explicitly here since it's only a candidate anyway.
 520          */
 521         if ( !manageDSAit && scope != LDAP_SCOPE_BASE &&
 522                 is_entry_referral( e ) )
 523         {
 524                 struct berval   dn;
 525
 526                 /* check scope */
 527                 if ( !scopeok && scope == LDAP_SCOPE_ONELEVEL ) {
 528                         if ( !be_issuffix( be, &e->e_nname ) ) {
 529                                 dnParent( &e->e_nname, &dn );
 530                                 scopeok = dn_match( &dn, &realbase );
 531                         } else {
 532                                 scopeok = (realbase.bv_len == 0);
 533                         }
 534
 535                 } else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) {
 536                         scopeok = dnIsSuffix( &e->e_nname, &realbase );
 537
 538                 } else {
 539                         scopeok = 1;
 540                 }
 541
 542                 if( scopeok ) {
 543                         BerVarray erefs = get_entry_referrals(
 544                                 be, ps_conn, ps_op, e );
 545                         BerVarray refs = referral_rewrite( erefs,
 546                                 &e->e_name, NULL,
 547                                 scope == LDAP_SCOPE_SUBTREE
 548                                         ? LDAP_SCOPE_SUBTREE
 549                                         : LDAP_SCOPE_BASE );
 550
 551                         send_search_reference( be, ps_conn, ps_op,
 552                                 e, refs, NULL, &v2refs );
 553
 554                         ber_bvarray_free( refs );
 555
 556                 } else {
 557 #ifdef NEW_LOGGING
 558                         LDAP_LOG(OPERATION, DETAIL2,
 559                                 "bdb_search: candidate referral %ld scope not okay\n",
 560                                 id, 0, 0 );
 561 #else
 562                         Debug( LDAP_DEBUG_TRACE,
 563                                 "bdb_search: candidate referral %ld scope not okay\n",
 564                                 id, 0, 0 );
 565 #endif
 566                 }
 567
 568                 goto test_done;
 569         }
 570
 571 #ifdef SLAP_X_FILTER_HASSUBORDINATES
 572         /*
 573          * if hasSubordinates is used in the filter,
 574          * append it to the entry's attributes
 575          */
 576         if ( filter_hasSubordinates ) {
 577                 int     hs;
 578
 579                 rc = bdb_hasSubordinates( be, ps_conn, ps_op, e, &hs);
 580                 if ( rc != LDAP_SUCCESS ) {
 581                         goto test_done;
 582                 }
 583
 584                 hasSubordinates = slap_operational_hasSubordinate(
 585                         hs == LDAP_COMPARE_TRUE );
 586
 587                 if ( hasSubordinates == NULL ) {
 588                         goto test_done;
 589                 }
 590
 591                 hasSubordinates->a_next = e->e_attrs;
 592                 e->e_attrs = hasSubordinates;
 593         }
 594 #endif /* SLAP_X_FILTER_HASSUBORDINATES */
 595
 596         if ( psearch_type != LCUP_PSEARCH_BY_SCOPEOUT ) {
 597                 rc = test_filter( be, ps_conn, ps_op, e, &lcupf );
 598         } else {
 599                 rc = LDAP_COMPARE_TRUE;
 600         }
 601
 602 #ifdef SLAP_X_FILTER_HASSUBORDINATES
 603         if ( hasSubordinates ) {
 604                 /*
 605                  * FIXME: this is fairly inefficient, because
 606                  * if hasSubordinates is among the required
 607                  * attrs, it will be added again later;
 608                  * maybe we should leave it and check
 609                  * check later if it's already present,
 610                  * if required
 611                  */
 612                 e->e_attrs = e->e_attrs->a_next;
 613                 attr_free( hasSubordinates );
 614         }
 615 #endif /* SLAP_X_FILTER_HASSUBORDINATES */
 616
 617         if ( rc == LDAP_COMPARE_TRUE ) {
 618                 struct berval   dn;
 619
 620                 /* check scope */
 621                 if ( !scopeok && scope == LDAP_SCOPE_ONELEVEL ) {
 622                         if ( be_issuffix( be, &e->e_nname ) ) {
 623                                 scopeok = (realbase.bv_len == 0);
 624                         } else {
 625                                 dnParent( &e->e_nname, &dn );
 626                                 scopeok = dn_match( &dn, &realbase );
 627                         }
 628
 629                 } else if ( !scopeok && scope == LDAP_SCOPE_SUBTREE ) {
 630                         scopeok = dnIsSuffix( &e->e_nname, &realbase );
 631
 632                 } else {
 633                         scopeok = 1;
 634                 }
 635
 636                 if ( scopeok ) {
 637                         /* check size limit */
 638                         if ( --slimit == -1 ) {
 639                                 send_search_result( ps_conn, ps_op,
 640                                         rc = LDAP_SIZELIMIT_EXCEEDED, NULL, NULL,
 641                                         v2refs, NULL, nentries );
 642                                 goto done;
 643                         }
 644
 645                         if (e) {
 646                                 int result;
 647
 648 #if 0   /* noop is masked SLAP_CTRL_UPDATE */
 649                                 if( ps_op->o_noop ) {
 650                                         result = 0;
 651                                 } else
 652 #endif
 653                                 {
 654                                         if ( psearch_type == LCUP_PSEARCH_BY_ADD ||
 655                                              psearch_type == LCUP_PSEARCH_BY_DELETE ||
 656                                              psearch_type == LCUP_PSEARCH_BY_MODIFY ||
 657                                              psearch_type == LCUP_PSEARCH_BY_SCOPEOUT ) {
 658                                                 Attribute* a;
 659                                                 int ret;
 660                                                 int res;
 661                                                 const char *text = NULL;
 662                                                 LDAPControl *ctrls[2];
 663                                                 struct berval *bv;
 664
 665                                                 BerElement *ber = ber_alloc_t( LBER_USE_DER );
 666
 667                                                 if ( ber == NULL ) {
 668 #ifdef NEW_LOGGING
 669                                                         LDAP_LOG ( OPERATION, RESULTS,
 670                                                                 "bdb_search: ber_alloc_t failed\n",
 671                                                                 0, 0, 0 );
 672 #else
 673                                                         Debug( LDAP_DEBUG_TRACE,
 674                                                                 "bdb_search: ber_alloc_t failed\n",
 675                                                                 0, 0, 0 );
 676 #endif
 677                                                         send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
 678                                                                 NULL, "internal error", NULL, NULL );
 679                                                         goto done;
 680                                                 }
 681
 682                                                 LDAP_LIST_FIRST(&ps_op->psearch_spec)->entry_count++;
 683
 684                                                 ctrls[0] = ch_malloc ( sizeof ( LDAPControl ) );
 685                                                 ctrls[1] = NULL;
 686
 687                                                 if ( LDAP_LIST_FIRST(&ps_op->psearch_spec)->entry_count % ps_op->o_clientupdate_interval == 0 ) {
 688                                                         /* Send cookie */
 689                                                         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 690                                                                 AttributeDescription *desc = a->a_desc;
 691                                                                 if ( desc == slap_schema.si_ad_entryCSN ) {
 692                                                                         ber_dupbv( &entrycsn_bv, &a->a_vals[0] );
 693                                                                         if ( latest_entrycsn_bv.bv_val == NULL ) {
 694                                                                                 ber_dupbv( &latest_entrycsn_bv, &entrycsn_bv );
 695                                                                         } else {
 696                                                                                 res = value_match( &ret, desc,
 697                                                                                         desc->ad_type->sat_ordering,
 698                                                                                         SLAP_MR_ASSERTION_SYNTAX_MATCH,
 699                                                                                         &entrycsn_bv, &latest_entrycsn_bv, &text );
 700                                                                                 if ( res != LDAP_SUCCESS ) {
 701                                                                                         ret = 0;
 702 #ifdef NEW_LOGGING
 703                                                                                         LDAP_LOG ( OPERATION, RESULTS,
 704                                                                                                 "bdb_search: value_match failed\n",
 705                                                                                                 0, 0, 0 );
 706 #else
 707                                                                                         Debug( LDAP_DEBUG_TRACE,
 708                                                                                                 "bdb_search: value_match failed\n",
 709                                                                                                 0, 0, 0 );
 710 #endif
 711                                                                                 }
 712
 713                                                                                 if ( ret > 0 ) {
 714                                                                                         ch_free( latest_entrycsn_bv.bv_val );
 715                                                                                         latest_entrycsn_bv.bv_val = NULL;
 716                                                                                         ber_dupbv( &latest_entrycsn_bv,
 717                                                                                                 &entrycsn_bv );
 718                                                                                 }
 719                                                                         }
 720                                                                 }
 721                                                         }
 722
 723                                                         if ( psearch_type != LCUP_PSEARCH_BY_DELETE || psearch_type != LCUP_PSEARCH_BY_SCOPEOUT ) {
 724                                                                 ber_printf( ber,
 725                                                                         "{bb{sON}N}",
 726                                                                         SLAP_LCUP_STATE_UPDATE_FALSE,
 727                                                                         SLAP_LCUP_ENTRY_DELETED_FALSE,
 728                                                                         LCUP_COOKIE_OID, &entrycsn_bv );
 729                                                         } else {
 730                                                                 ber_printf( ber,
 731                                                                         "{bb{sON}N}",
 732                                                                         SLAP_LCUP_STATE_UPDATE_FALSE,
 733                                                                         SLAP_LCUP_ENTRY_DELETED_TRUE,
 734                                                                         LCUP_COOKIE_OID, &entrycsn_bv );
 735                                                         }
 736
 737                                                         ch_free( entrycsn_bv.bv_val );
 738                                                         entrycsn_bv.bv_val = NULL;
 739
 740                                                 } else {
 741                                                         /* Do not send cookie */
 742                                                         if ( psearch_type != LCUP_PSEARCH_BY_DELETE || psearch_type != LCUP_PSEARCH_BY_SCOPEOUT ) {
 743                                                                 ber_printf( ber,
 744                                                                         "{bbN}",
 745                                                                         SLAP_LCUP_STATE_UPDATE_FALSE,
 746                                                                         SLAP_LCUP_ENTRY_DELETED_FALSE );
 747                                                         } else {
 748                                                                 ber_printf( ber,
 749                                                                         "{bbN}",
 750                                                                         SLAP_LCUP_STATE_UPDATE_FALSE,
 751                                                                         SLAP_LCUP_ENTRY_DELETED_TRUE );
 752                                                         }
 753                                                 }
 754
 755                                                 ctrls[0]->ldctl_oid = LDAP_CONTROL_ENTRY_UPDATE;
 756                                                 ctrls[0]->ldctl_iscritical = ps_op->o_clientupdate;
 757                                                 ret = ber_flatten( ber, &bv );
 758
 759                                                 if ( ret < 0 ) {
 760 #ifdef NEW_LOGGING
 761                                                         LDAP_LOG ( OPERATION, RESULTS,
 762                                                                 "bdb_search: ber_flatten failed\n",
 763                                                                 0, 0, 0 );
 764 #else
 765                                                         Debug( LDAP_DEBUG_TRACE,
 766                                                                 "bdb_search: ber_flatten failed\n",
 767                                                                 0, 0, 0 );
 768 #endif
 769                                                         send_ldap_result( ps_conn, ps_op, rc=LDAP_OTHER,
 770                                                                 NULL, "internal error", NULL, NULL );
 771                                                         goto done;
 772                                                 }
 773
 774                                                 ber_dupbv( &ctrls[0]->ldctl_value, bv );
 775
 776                                                 result = send_search_entry( be, ps_conn, ps_op,
 777                                                         e, attrs, attrsonly, ctrls);
 778
 779                                                 ch_free( ctrls[0]->ldctl_value.bv_val );
 780                                                 ch_free( ctrls[0] );
 781                                                 ber_free( ber, 1 );
 782                                                 ber_bvfree( bv );
 783
 784                                                 if ( psearch_type == LCUP_PSEARCH_BY_MODIFY ) {
 785                                                         struct psid_entry* psid_e;
 786                                                         LDAP_LIST_FOREACH( psid_e, &op->premodify_list, link) {
 787                                                                 if (psid_e->ps == LDAP_LIST_FIRST(&ps_op->psearch_spec)) {
 788                                                                         LDAP_LIST_REMOVE(psid_e, link);
 789                                                                         break;
 790                                                                 }
 791                                                         }
 792                                                         if (psid_e != NULL)
 793                                                                 free (psid_e);
 794                                                 }
 795                                         } else if ( psearch_type == LCUP_PSEARCH_BY_PREMODIFY ) {
 796                                                 struct psid_entry* psid_e;
 797                                                 psid_e = (struct psid_entry *) calloc (1, sizeof (struct psid_entry));
 798                                                 psid_e->ps = LDAP_LIST_FIRST(&ps_op->psearch_spec);
 799                                                 LDAP_LIST_INSERT_HEAD( &op->premodify_list, psid_e, link );
 800                                         }
 801                                         else
 802                                         {
 803                                                 printf("Error !\n");
 804                                         }
 805                                 }
 806
 807                                 switch (result) {
 808                                 case 0:         /* entry sent ok */
 809                                         nentries++;
 810                                         break;
 811                                 case 1:         /* entry not sent */
 812                                         break;
 813                                 case -1:        /* connection closed */
 814                                         rc = LDAP_OTHER;
 815                                         goto done;
 816                                 }
 817                         }
 818                 } else {
 819 #ifdef NEW_LOGGING
 820                         LDAP_LOG ( OPERATION, RESULTS,
 821                                 "bdb_search: %ld scope not okay\n", (long) id, 0, 0);
 822 #else
 823                         Debug( LDAP_DEBUG_TRACE,
 824                                 "bdb_search: %ld scope not okay\n",
 825                                 (long) id, 0, 0 );
 826 #endif
 827                 }
 828         } else {
 829 #ifdef NEW_LOGGING
 830                 LDAP_LOG ( OPERATION, RESULTS,
 831                         "bdb_search: %ld does match filter\n", (long) id, 0, 0);
 832 #else
 833                 Debug( LDAP_DEBUG_TRACE,
 834                         "bdb_search: %ld does match filter\n",
 835                         (long) id, 0, 0 );
 836 #endif
 837         }
 838
 839 test_done:
 840         rc = LDAP_SUCCESS;
 841
 842 done:
 843         if ( csnfeq.f_ava != NULL && csnfeq.f_av_value.bv_val != NULL ) {
 844                 ch_free( csnfeq.f_av_value.bv_val );
 845         }
 846
 847         if ( csnfge.f_ava != NULL && csnfge.f_av_value.bv_val != NULL ) {
 848                 ch_free( csnfge.f_av_value.bv_val );
 849         }
 850
 851         LOCK_ID_FREE (bdb->bi_dbenv, locker );
 852
 853         if( v2refs ) ber_bvarray_free( v2refs );
 854         if( realbase.bv_val ) ch_free( realbase.bv_val );
 855
 856         return rc;
 857 }
 858
 859 #endif /* LDAP_CLIENT_UPDATE */