git.sur5r.net Git - openldap/blob - servers/slapd/filterentry.c

   1 /* filterentry.c - apply a filter to an entry */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26
  27 #include "portable.h"
  28
  29 #include <stdio.h>
  30
  31 #include <ac/socket.h>
  32 #include <ac/string.h>
  33
  34
  35 #include "slap.h"
  36
  37 static int      test_filter_and( Operation *op, Entry *e, Filter *flist );
  38 static int      test_filter_or( Operation *op, Entry *e, Filter *flist );
  39 static int      test_substrings_filter( Operation *op, Entry *e, Filter *f);
  40 static int      test_ava_filter( Operation *op, Entry *e, AttributeAssertion *ava, int type );
  41 static int      test_mra_filter( Operation *op, Entry *e, MatchingRuleAssertion *mra );
  42 static int      test_presence_filter( Operation *op, Entry *e, AttributeDescription *desc );
  43
  44
  45 /*
  46  * test_filter - test a filter against a single entry.
  47  * returns:
  48  *              LDAP_COMPARE_TRUE               filter matched
  49  *              LDAP_COMPARE_FALSE              filter did not match
  50  *              SLAPD_COMPARE_UNDEFINED filter is undefined
  51  *      or an ldap result code indicating error
  52  */
  53
  54 int
  55 test_filter(
  56     Operation   *op,
  57     Entry       *e,
  58     Filter      *f )
  59 {
  60         int     rc;
  61 #ifdef NEW_LOGGING
  62         LDAP_LOG( FILTER, ENTRY, "test_filter: begin\n", 0, 0, 0 );
  63 #else
  64         Debug( LDAP_DEBUG_FILTER, "=> test_filter\n", 0, 0, 0 );
  65 #endif
  66
  67         switch ( f->f_choice ) {
  68         case SLAPD_FILTER_COMPUTED:
  69 #ifdef NEW_LOGGING
  70                 LDAP_LOG( FILTER, DETAIL1,
  71                         "test_filter:   COMPUTED %s (%d)\n",
  72                         f->f_result == LDAP_COMPARE_FALSE ? "false" :
  73                         f->f_result == LDAP_COMPARE_TRUE         ? "true"  :
  74                         f->f_result == SLAPD_COMPARE_UNDEFINED ? "undefined" :
  75                         "error", f->f_result, 0 );
  76 #else
  77                 Debug( LDAP_DEBUG_FILTER, "    COMPUTED %s (%d)\n",
  78                         f->f_result == LDAP_COMPARE_FALSE ? "false" :
  79                         f->f_result == LDAP_COMPARE_TRUE ? "true" :
  80                         f->f_result == SLAPD_COMPARE_UNDEFINED ? "undefined" : "error",
  81                         f->f_result, 0 );
  82 #endif
  83
  84                 rc = f->f_result;
  85                 break;
  86
  87         case LDAP_FILTER_EQUALITY:
  88 #ifdef NEW_LOGGING
  89                 LDAP_LOG( FILTER, DETAIL1, "test_filter:   EQUALITY\n", 0, 0, 0 );
  90 #else
  91                 Debug( LDAP_DEBUG_FILTER, "    EQUALITY\n", 0, 0, 0 );
  92 #endif
  93
  94                 rc = test_ava_filter( op, e, f->f_ava, LDAP_FILTER_EQUALITY );
  95                 break;
  96
  97         case LDAP_FILTER_SUBSTRINGS:
  98 #ifdef NEW_LOGGING
  99                 LDAP_LOG( FILTER, DETAIL1, "test_filter  SUBSTRINGS\n", 0, 0, 0 );
 100 #else
 101                 Debug( LDAP_DEBUG_FILTER, "    SUBSTRINGS\n", 0, 0, 0 );
 102 #endif
 103
 104                 rc = test_substrings_filter( op, e, f );
 105                 break;
 106
 107         case LDAP_FILTER_GE:
 108                 rc = test_ava_filter( op, e, f->f_ava, LDAP_FILTER_GE );
 109                 break;
 110
 111         case LDAP_FILTER_LE:
 112                 rc = test_ava_filter( op, e, f->f_ava, LDAP_FILTER_LE );
 113                 break;
 114
 115         case LDAP_FILTER_PRESENT:
 116 #ifdef NEW_LOGGING
 117                 LDAP_LOG( FILTER, DETAIL1, "test_filter:        PRESENT\n", 0, 0, 0 );
 118 #else
 119                 Debug( LDAP_DEBUG_FILTER, "    PRESENT\n", 0, 0, 0 );
 120 #endif
 121                 rc = test_presence_filter( op, e, f->f_desc );
 122                 break;
 123
 124         case LDAP_FILTER_APPROX:
 125 #ifdef NEW_LOGGING
 126                 LDAP_LOG( FILTER, DETAIL1, "test_filter: APPROX\n", 0, 0, 0 );
 127 #else
 128                 Debug( LDAP_DEBUG_FILTER, "    APPROX\n", 0, 0, 0 );
 129 #endif
 130                 rc = test_ava_filter( op, e, f->f_ava, LDAP_FILTER_APPROX );
 131                 break;
 132
 133         case LDAP_FILTER_AND:
 134 #ifdef NEW_LOGGING
 135                 LDAP_LOG( FILTER, DETAIL1, "test_filter:  AND\n", 0, 0, 0 );
 136 #else
 137                 Debug( LDAP_DEBUG_FILTER, "    AND\n", 0, 0, 0 );
 138 #endif
 139                 rc = test_filter_and( op, e, f->f_and );
 140                 break;
 141
 142         case LDAP_FILTER_OR:
 143 #ifdef NEW_LOGGING
 144                 LDAP_LOG( FILTER, DETAIL1, "test_filter:        OR\n", 0, 0, 0 );
 145 #else
 146                 Debug( LDAP_DEBUG_FILTER, "    OR\n", 0, 0, 0 );
 147 #endif
 148                 rc = test_filter_or( op, e, f->f_or );
 149                 break;
 150
 151         case LDAP_FILTER_NOT:
 152 #ifdef NEW_LOGGING
 153                 LDAP_LOG( FILTER, DETAIL1, "test_filter:        NOT\n", 0, 0, 0 );
 154 #else
 155                 Debug( LDAP_DEBUG_FILTER, "    NOT\n", 0, 0, 0 );
 156 #endif
 157                 rc = test_filter( op, e, f->f_not );
 158
 159                 /* Flip true to false and false to true
 160                  * but leave Undefined alone.
 161                  */
 162                 switch( rc ) {
 163                 case LDAP_COMPARE_TRUE:
 164                         rc = LDAP_COMPARE_FALSE;
 165                         break;
 166                 case LDAP_COMPARE_FALSE:
 167                         rc = LDAP_COMPARE_TRUE;
 168                         break;
 169                 }
 170                 break;
 171
 172         case LDAP_FILTER_EXT:
 173 #ifdef NEW_LOGGING
 174                 LDAP_LOG( FILTER, DETAIL1, "test_filter:        EXT\n", 0, 0, 0 );
 175 #else
 176                 Debug( LDAP_DEBUG_FILTER, "    EXT\n", 0, 0, 0 );
 177 #endif
 178                 rc = test_mra_filter( op, e, f->f_mra );
 179                 break;
 180
 181         default:
 182 #ifdef NEW_LOGGING
 183                 LDAP_LOG( FILTER, INFO,
 184                         "test_filter:  unknown filter type %lu\n", f->f_choice, 0, 0 );
 185 #else
 186                 Debug( LDAP_DEBUG_ANY, "    unknown filter type %lu\n",
 187                     f->f_choice, 0, 0 );
 188 #endif
 189                 rc = LDAP_PROTOCOL_ERROR;
 190         }
 191
 192 #ifdef NEW_LOGGING
 193         LDAP_LOG( FILTER, RESULTS, "test_filter:  return=%d\n", rc, 0, 0 );
 194 #else
 195         Debug( LDAP_DEBUG_FILTER, "<= test_filter %d\n", rc, 0, 0 );
 196 #endif
 197         return( rc );
 198 }
 199
 200 static int test_mra_filter(
 201         Operation *op,
 202         Entry *e,
 203         MatchingRuleAssertion *mra )
 204 {
 205         Attribute       *a;
 206         void            *memctx;
 207         BER_MEMFREE_FN  *memfree;
 208
 209         if ( op == NULL ) {
 210                 memctx = NULL;
 211                 memfree = slap_sl_free;
 212         } else {
 213                 memctx = op->o_tmpmemctx;
 214                 memfree = op->o_tmpfree;
 215         }
 216
 217         if ( mra->ma_desc ) {
 218                 /*
 219                  * if ma_desc is available, then we're filtering for
 220                  * one attribute, and SEARCH permissions can be checked
 221                  * directly.
 222                  */
 223                 if( !access_allowed( op, e,
 224                         mra->ma_desc, &mra->ma_value, ACL_SEARCH, NULL ) )
 225                 {
 226                         return LDAP_INSUFFICIENT_ACCESS;
 227                 }
 228
 229                 for(a = attrs_find( e->e_attrs, mra->ma_desc );
 230                         a != NULL;
 231                         a = attrs_find( a->a_next, mra->ma_desc ) )
 232                 {
 233                         struct berval *bv;
 234                         /* If ma_rule is not the same as the attribute's
 235                          * normal rule, then we can't use the a_nvals.
 236                          */
 237                         if (mra->ma_rule == a->a_desc->ad_type->sat_equality) {
 238                                 bv = a->a_nvals;
 239                         } else {
 240                                 bv = a->a_vals;
 241                         }
 242
 243                         for ( ; bv->bv_val != NULL; bv++ ) {
 244                                 int ret;
 245                                 int rc;
 246                                 const char *text;
 247
 248                                 rc = value_match( &ret, a->a_desc, mra->ma_rule, 0,
 249                                         bv, &mra->ma_value, &text );
 250
 251                                 if( rc != LDAP_SUCCESS ) return rc;
 252                                 if ( ret == 0 ) return LDAP_COMPARE_TRUE;
 253                         }
 254                 }
 255
 256         } else {
 257                 /*
 258                  * No attribute description: test all
 259                  */
 260                 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 261                         struct berval   *bv, value;
 262                         const char      *text = NULL;
 263                         int             rc;
 264
 265                         /* check if matching is appropriate */
 266                         if ( !mr_usable_with_at( mra->ma_rule, a->a_desc->ad_type )) {
 267                                 continue;
 268                         }
 269
 270                         /* normalize for equality */
 271                         rc = asserted_value_validate_normalize( a->a_desc, mra->ma_rule,
 272                                 SLAP_MR_EXT|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
 273                                 &mra->ma_value, &value, &text, memctx );
 274                         if ( rc != LDAP_SUCCESS ) continue;
 275
 276                         /* check search access */
 277                         if ( !access_allowed( op, e,
 278                                 a->a_desc, &value, ACL_SEARCH, NULL ) ) {
 279                                 memfree( value.bv_val, memctx );
 280                                 continue;
 281                         }
 282
 283                         /* check match */
 284                         if (mra->ma_rule == a->a_desc->ad_type->sat_equality) {
 285                                 bv = a->a_nvals;
 286                         } else {
 287                                 bv = a->a_vals;
 288                         }
 289
 290                         for ( ; bv->bv_val != NULL; bv++ ) {
 291                                 int ret;
 292
 293                                 rc = value_match( &ret, a->a_desc, mra->ma_rule, 0,
 294                                         bv, &value, &text );
 295
 296                                 if( rc != LDAP_SUCCESS ) break;
 297
 298                                 if ( ret == 0 ) {
 299                                         rc = LDAP_COMPARE_TRUE;
 300                                         break;
 301                                 }
 302                         }
 303                         memfree( value.bv_val, memctx );
 304                         if ( rc != LDAP_SUCCESS ) return rc;
 305                 }
 306         }
 307
 308         /* check attrs in DN AVAs if required */
 309         if ( mra->ma_dnattrs ) {
 310                 LDAPDN          dn = NULL;
 311                 int             iRDN, iAVA;
 312                 int             rc;
 313
 314                 /* parse and pretty the dn */
 315                 rc = dnPrettyDN( NULL, &e->e_name, &dn, memctx );
 316                 if ( rc != LDAP_SUCCESS ) {
 317                         return LDAP_INVALID_SYNTAX;
 318                 }
 319
 320                 /* for each AVA of each RDN ... */
 321                 for ( iRDN = 0; dn[ iRDN ]; iRDN++ ) {
 322                         LDAPRDN         rdn = dn[ iRDN ];
 323
 324                         for ( iAVA = 0; rdn[ iAVA ]; iAVA++ ) {
 325                                 LDAPAVA         *ava = rdn[ iAVA ];
 326                                 struct berval   *bv = &ava->la_value, value;
 327                                 AttributeDescription *ad =
 328                                         (AttributeDescription *)ava->la_private;
 329                                 int ret;
 330                                 const char *text;
 331
 332                                 assert( ad );
 333
 334                                 if ( mra->ma_desc ) {
 335                                         /* have a mra type? check for subtype */
 336                                         if ( !is_ad_subtype( ad, mra->ma_desc ) ) {
 337                                                 continue;
 338                                         }
 339                                         value = mra->ma_value;
 340
 341                                 } else {
 342                                         const char      *text = NULL;
 343
 344                                         /* check if matching is appropriate */
 345                                         if ( !mr_usable_with_at( mra->ma_rule, ad->ad_type )) {
 346                                                 continue;
 347                                         }
 348
 349                                         /* normalize for equality */
 350                                         rc = asserted_value_validate_normalize( ad,
 351                                                 mra->ma_rule,
 352                                                 SLAP_MR_EXT|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
 353                                                 &mra->ma_value, &value, &text, memctx );
 354                                         if ( rc != LDAP_SUCCESS ) continue;
 355
 356                                         /* check search access */
 357                                         if ( !access_allowed( op, e,
 358                                                 ad, &value, ACL_SEARCH, NULL ) )
 359                                         {
 360                                                 memfree( value.bv_val, memctx );
 361                                                 continue;
 362                                         }
 363                                 }
 364
 365                                 /* check match */
 366                                 rc = value_match( &ret, ad, mra->ma_rule, 0,
 367                                         bv, &value, &text );
 368
 369                                 if ( value.bv_val != mra->ma_value.bv_val ) {
 370                                         memfree( value.bv_val, memctx );
 371                                 }
 372
 373                                 if ( rc == LDAP_SUCCESS && ret == 0 ) rc = LDAP_COMPARE_TRUE;
 374
 375                                 if( rc != LDAP_SUCCESS ) {
 376                                         ldap_dnfree_x( dn, memctx );
 377                                         return rc;
 378                                 }
 379                         }
 380                 }
 381                 ldap_dnfree_x( dn, memctx );
 382         }
 383
 384         return LDAP_COMPARE_FALSE;
 385 }
 386
 387 static int
 388 test_ava_filter(
 389         Operation       *op,
 390         Entry           *e,
 391         AttributeAssertion *ava,
 392         int             type )
 393 {
 394         Attribute       *a;
 395
 396         if ( !access_allowed( op, e,
 397                 ava->aa_desc, &ava->aa_value, ACL_SEARCH, NULL ) )
 398         {
 399                 return LDAP_INSUFFICIENT_ACCESS;
 400         }
 401
 402         for(a = attrs_find( e->e_attrs, ava->aa_desc );
 403                 a != NULL;
 404                 a = attrs_find( a->a_next, ava->aa_desc ) )
 405         {
 406                 MatchingRule *mr;
 407                 struct berval *bv;
 408
 409                 switch ( type ) {
 410                 case LDAP_FILTER_APPROX:
 411                         mr = a->a_desc->ad_type->sat_approx;
 412                         if( mr != NULL ) break;
 413
 414                         /* use EQUALITY matching rule if no APPROX rule */
 415
 416                 case LDAP_FILTER_EQUALITY:
 417                         mr = a->a_desc->ad_type->sat_equality;
 418                         break;
 419
 420                 case LDAP_FILTER_GE:
 421                 case LDAP_FILTER_LE:
 422                         mr = a->a_desc->ad_type->sat_ordering;
 423                         break;
 424
 425                 default:
 426                         mr = NULL;
 427                 }
 428
 429                 if( mr == NULL ) {
 430                         continue;
 431                 }
 432
 433                 for ( bv = a->a_nvals; bv->bv_val != NULL; bv++ ) {
 434                         int ret;
 435                         int rc;
 436                         const char *text;
 437
 438                         rc = value_match( &ret, a->a_desc, mr, 0,
 439                                 bv, &ava->aa_value, &text );
 440
 441                         if( rc != LDAP_SUCCESS ) return rc;
 442
 443                         switch ( type ) {
 444                         case LDAP_FILTER_EQUALITY:
 445                         case LDAP_FILTER_APPROX:
 446                                 if ( ret == 0 ) return LDAP_COMPARE_TRUE;
 447                                 break;
 448
 449                         case LDAP_FILTER_GE:
 450                                 if ( ret >= 0 ) return LDAP_COMPARE_TRUE;
 451                                 break;
 452
 453                         case LDAP_FILTER_LE:
 454                                 if ( ret <= 0 ) return LDAP_COMPARE_TRUE;
 455                                 break;
 456                         }
 457                 }
 458         }
 459
 460         if ( ava->aa_desc == slap_schema.si_ad_hasSubordinates
 461                 && op && op->o_bd && op->o_bd->be_has_subordinates )
 462         {
 463                 int             hasSubordinates;
 464                 struct berval   hs;
 465
 466                 /* No other match is supported */
 467                 if( type != LDAP_FILTER_EQUALITY ) return LDAP_OTHER;
 468
 469                 if ( op->o_bd->be_has_subordinates( op, e, &hasSubordinates ) !=
 470                         LDAP_SUCCESS )
 471                 {
 472                         return LDAP_OTHER;
 473                 }
 474
 475                 if ( hasSubordinates == LDAP_COMPARE_TRUE ) {
 476                         hs = slap_true_bv;
 477
 478                 } else if ( hasSubordinates == LDAP_COMPARE_FALSE ) {
 479                         hs = slap_false_bv;
 480
 481                 } else {
 482                         return LDAP_OTHER;
 483                 }
 484
 485                 if ( bvmatch( &ava->aa_value, &hs ) ) return LDAP_COMPARE_TRUE;
 486                 return LDAP_COMPARE_FALSE;
 487         }
 488
 489         return( LDAP_COMPARE_FALSE );
 490 }
 491
 492
 493 static int
 494 test_presence_filter(
 495         Operation       *op,
 496         Entry           *e,
 497         AttributeDescription *desc )
 498 {
 499         Attribute       *a;
 500
 501         if ( !access_allowed( op, e, desc, NULL, ACL_SEARCH, NULL ) ) {
 502                 return LDAP_INSUFFICIENT_ACCESS;
 503         }
 504
 505         a = attrs_find( e->e_attrs, desc );
 506         if ( a == NULL && desc == slap_schema.si_ad_hasSubordinates ) {
 507
 508                 /*
 509                  * XXX: fairly optimistic: if the function is defined,
 510                  * then PRESENCE must succeed, because hasSubordinate
 511                  * is boolean-valued; I think we may live with this
 512                  * simplification by now
 513                  */
 514                 if ( op && op->o_bd && op->o_bd->be_has_subordinates ) {
 515                         return LDAP_COMPARE_TRUE;
 516                 }
 517
 518                 return LDAP_COMPARE_FALSE;
 519         }
 520
 521         return a != NULL ? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
 522 }
 523
 524
 525 static int
 526 test_filter_and(
 527         Operation       *op,
 528         Entry   *e,
 529         Filter  *flist )
 530 {
 531         Filter  *f;
 532         int rtn = LDAP_COMPARE_TRUE; /* True if empty */
 533
 534 #ifdef NEW_LOGGING
 535         LDAP_LOG( FILTER, ENTRY, "test_filter_and: begin\n", 0, 0, 0 );
 536 #else
 537         Debug( LDAP_DEBUG_FILTER, "=> test_filter_and\n", 0, 0, 0 );
 538 #endif
 539
 540
 541         for ( f = flist; f != NULL; f = f->f_next ) {
 542                 int rc = test_filter( op, e, f );
 543
 544                 if ( rc == LDAP_COMPARE_FALSE ) {
 545                         /* filter is False */
 546                         rtn = rc;
 547                         break;
 548                 }
 549
 550                 if ( rc != LDAP_COMPARE_TRUE ) {
 551                         /* filter is Undefined unless later elements are False */
 552                         rtn = rc;
 553                 }
 554         }
 555
 556 #ifdef NEW_LOGGING
 557         LDAP_LOG( FILTER, RESULTS, "test_filter_and:  rc=%d\n", rtn, 0, 0 );
 558 #else
 559         Debug( LDAP_DEBUG_FILTER, "<= test_filter_and %d\n", rtn, 0, 0 );
 560 #endif
 561
 562         return rtn;
 563 }
 564
 565 static int
 566 test_filter_or(
 567         Operation       *op,
 568         Entry   *e,
 569         Filter  *flist
 570 )
 571 {
 572         Filter  *f;
 573         int rtn = LDAP_COMPARE_FALSE; /* False if empty */
 574
 575 #ifdef NEW_LOGGING
 576         LDAP_LOG( FILTER, ENTRY, "test_filter_or: begin\n", 0, 0, 0 );
 577 #else
 578         Debug( LDAP_DEBUG_FILTER, "=> test_filter_or\n", 0, 0, 0 );
 579 #endif
 580
 581         for ( f = flist; f != NULL; f = f->f_next ) {
 582                 int rc = test_filter( op, e, f );
 583
 584                 if ( rc == LDAP_COMPARE_TRUE ) {
 585                         /* filter is True */
 586                         rtn = rc;
 587                         break;
 588                 }
 589
 590                 if ( rc != LDAP_COMPARE_FALSE ) {
 591                         /* filter is Undefined unless later elements are True */
 592                         rtn = rc;
 593                 }
 594         }
 595
 596 #ifdef NEW_LOGGING
 597         LDAP_LOG( FILTER, ENTRY, "test_filter_or: result=%d\n", rtn, 0, 0 );
 598 #else
 599         Debug( LDAP_DEBUG_FILTER, "<= test_filter_or %d\n", rtn, 0, 0 );
 600 #endif
 601         return rtn;
 602 }
 603
 604
 605 static int
 606 test_substrings_filter(
 607         Operation       *op,
 608         Entry   *e,
 609         Filter  *f )
 610 {
 611         Attribute       *a;
 612
 613 #ifdef NEW_LOGGING
 614         LDAP_LOG( FILTER, ENTRY, "test_substrings_filter: begin\n", 0, 0, 0 );
 615 #else
 616         Debug( LDAP_DEBUG_FILTER, "begin test_substrings_filter\n", 0, 0, 0 );
 617 #endif
 618
 619         if ( !access_allowed( op, e,
 620                 f->f_sub_desc, NULL, ACL_SEARCH, NULL ) )
 621         {
 622                 return LDAP_INSUFFICIENT_ACCESS;
 623         }
 624
 625         for(a = attrs_find( e->e_attrs, f->f_sub_desc );
 626                 a != NULL;
 627                 a = attrs_find( a->a_next, f->f_sub_desc ) )
 628         {
 629                 MatchingRule *mr = a->a_desc->ad_type->sat_substr;
 630                 struct berval *bv;
 631
 632                 if( mr == NULL ) continue;
 633
 634                 for ( bv = a->a_nvals; bv->bv_val != NULL; bv++ ) {
 635                         int ret;
 636                         int rc;
 637                         const char *text;
 638
 639                         rc = value_match( &ret, a->a_desc, mr, 0,
 640                                 bv, f->f_sub, &text );
 641
 642                         if( rc != LDAP_SUCCESS ) return rc;
 643                         if ( ret == 0 ) return LDAP_COMPARE_TRUE;
 644                 }
 645         }
 646
 647 #ifdef NEW_LOGGING
 648         LDAP_LOG( FILTER, ENTRY, "test_substrings_filter: return FALSE\n",
 649                 0, 0, 0 );
 650 #else
 651         Debug( LDAP_DEBUG_FILTER, "end test_substrings_filter 1\n",
 652                 0, 0, 0 );
 653 #endif
 654         return LDAP_COMPARE_FALSE;
 655 }