git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/search.c

   1 /* search.c - ldap backend search function */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7 /* This is an altered version */
   8 /*
   9  * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
  10  *
  11  * Permission is granted to anyone to use this software for any purpose
  12  * on any computer system, and to alter it and redistribute it, subject
  13  * to the following restrictions:
  14  *
  15  * 1. The author is not responsible for the consequences of use of this
  16  *    software, no matter how awful, even if they arise from flaws in it.
  17  *
  18  * 2. The origin of this software must not be misrepresented, either by
  19  *    explicit claim or by omission.  Since few users ever read sources,
  20  *    credits should appear in the documentation.
  21  *
  22  * 3. Altered versions must be plainly marked as such, and must not be
  23  *    misrepresented as being the original software.  Since few users
  24  *    ever read sources, credits should appear in the documentation.
  25  *
  26  * 4. This notice may not be removed or altered.
  27  *
  28  *
  29  *
  30  * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
  31  *
  32  * This software is being modified by Pierangelo Masarati.
  33  * The previously reported conditions apply to the modified code as well.
  34  * Changes in the original code are highlighted where required.
  35  * Credits for the original code go to the author, Howard Chu.
  36  */
  37
  38 #include "portable.h"
  39
  40 #include <stdio.h>
  41
  42 #include <ac/socket.h>
  43 #include <ac/string.h>
  44 #include <ac/time.h>
  45
  46 #include "slap.h"
  47 #include "back-ldap.h"
  48 #undef ldap_debug       /* silence a warning in ldap-int.h */
  49 #include "../../../libraries/libldap/ldap-int.h"
  50
  51 static int ldap_send_entry( Backend *be, Operation *op, struct ldapconn *lc,
  52                              LDAPMessage *e, AttributeName *attrs, int attrsonly );
  53
  54 int
  55 ldap_back_search(
  56     Backend     *be,
  57     Connection  *conn,
  58     Operation   *op,
  59     struct berval       *base,
  60     struct berval       *nbase,
  61     int         scope,
  62     int         deref,
  63     int         slimit,
  64     int         tlimit,
  65     Filter      *filter,
  66     struct berval       *filterstr,
  67     AttributeName       *attrs,
  68     int         attrsonly
  69 )
  70 {
  71         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
  72         struct ldapconn *lc;
  73         struct timeval  tv;
  74         LDAPMessage             *res, *e;
  75         int     count, rc = 0, msgid, sres = LDAP_SUCCESS;
  76         char *match = NULL, *err = NULL;
  77         char *mapped_filter = NULL, **mapped_attrs = NULL;
  78         struct berval mbase;
  79 #ifdef ENABLE_REWRITE
  80         char *mmatch = NULL;
  81         struct berval mfilter = { 0, NULL };
  82 #endif /* ENABLE_REWRITE */
  83         struct slap_limits_set *limit = NULL;
  84         int isroot = 0;
  85         BerVarray v2refs = NULL;
  86
  87         lc = ldap_back_getconn(li, conn, op);
  88         if ( !lc ) {
  89                 return( -1 );
  90         }
  91
  92         /*
  93          * controls are set in ldap_back_dobind()
  94          *
  95          * FIXME: in case of values return filter, we might want
  96          * to map attrs and maybe rewrite value
  97          */
  98         if ( !ldap_back_dobind( lc, op ) ) {
  99                 return( -1 );
 100         }
 101
 102         /* if not root, get appropriate limits */
 103         if ( be_isroot( be, &op->o_ndn ) ) {
 104                 isroot = 1;
 105         } else {
 106                 ( void ) get_limits( be, &op->o_ndn, &limit );
 107         }
 108
 109         /* if no time limit requested, rely on remote server limits */
 110         /* if requested limit higher than hard limit, abort */
 111         if ( !isroot && tlimit > limit->lms_t_hard ) {
 112                 /* no hard limit means use soft instead */
 113                 if ( limit->lms_t_hard == 0
 114                                 && limit->lms_t_soft > -1
 115                                 && tlimit > limit->lms_t_soft ) {
 116                         tlimit = limit->lms_t_soft;
 117
 118                 /* positive hard limit means abort */
 119                 } else if ( limit->lms_t_hard > 0 ) {
 120                         send_ldap_result( conn, op, LDAP_ADMINLIMIT_EXCEEDED,
 121                                         NULL, NULL, NULL, NULL );
 122                         rc = 0;
 123                         goto finish;
 124                 }
 125
 126                 /* negative hard limit means no limit */
 127         }
 128
 129         /* if no size limit requested, rely on remote server limits */
 130         /* if requested limit higher than hard limit, abort */
 131         if ( !isroot && slimit > limit->lms_s_hard ) {
 132                 /* no hard limit means use soft instead */
 133                 if ( limit->lms_s_hard == 0
 134                                 && limit->lms_s_soft > -1
 135                                 && slimit > limit->lms_s_soft ) {
 136                         slimit = limit->lms_s_soft;
 137
 138                 /* positive hard limit means abort */
 139                 } else if ( limit->lms_s_hard > 0 ) {
 140                         send_ldap_result( conn, op, LDAP_ADMINLIMIT_EXCEEDED,
 141                                         NULL, NULL, NULL, NULL );
 142                         rc = 0;
 143                         goto finish;
 144                 }
 145
 146                 /* negative hard limit means no limit */
 147         }
 148
 149         /* should we check return values? */
 150         if (deref != -1)
 151                 ldap_set_option( lc->ld, LDAP_OPT_DEREF, (void *)&deref);
 152         if (tlimit != -1)
 153                 ldap_set_option( lc->ld, LDAP_OPT_TIMELIMIT, (void *)&tlimit);
 154         if (slimit != -1)
 155                 ldap_set_option( lc->ld, LDAP_OPT_SIZELIMIT, (void *)&slimit);
 156
 157         /*
 158          * Rewrite the search base, if required
 159          */
 160 #ifdef ENABLE_REWRITE
 161         switch ( rewrite_session( li->rwinfo, "searchBase",
 162                                 base->bv_val, conn, &mbase.bv_val ) ) {
 163         case REWRITE_REGEXEC_OK:
 164                 if ( mbase.bv_val == NULL ) {
 165                         mbase = *base;
 166                 }
 167 #ifdef NEW_LOGGING
 168                 LDAP_LOG( BACK_LDAP, DETAIL1,
 169                         "[rw] searchBase: \"%s\" -> \"%s\"\n",
 170                         base->bv_val, mbase.bv_val, 0 );
 171 #else /* !NEW_LOGGING */
 172                 Debug( LDAP_DEBUG_ARGS, "rw> searchBase: \"%s\" -> \"%s\"\n%s",
 173                                 base->bv_val, mbase.bv_val, "" );
 174 #endif /* !NEW_LOGGING */
 175                 break;
 176
 177         case REWRITE_REGEXEC_UNWILLING:
 178                 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 179                                 NULL, "Operation not allowed", NULL, NULL );
 180                 rc = -1;
 181                 goto finish;
 182
 183         case REWRITE_REGEXEC_ERR:
 184                 send_ldap_result( conn, op, LDAP_OTHER,
 185                                 NULL, "Rewrite error", NULL, NULL );
 186                 rc = -1;
 187                 goto finish;
 188         }
 189
 190         /*
 191          * Rewrite the search filter, if required
 192          */
 193         switch ( rewrite_session( li->rwinfo, "searchFilter",
 194                                 filterstr->bv_val, conn, &mfilter.bv_val ) ) {
 195         case REWRITE_REGEXEC_OK:
 196                 if ( mfilter.bv_val == NULL || mfilter.bv_val[0] == '\0') {
 197                         if ( mfilter.bv_val != NULL ) {
 198                                 free( mfilter.bv_val );
 199                         }
 200                         mfilter = *filterstr;
 201                 } else {
 202                         mfilter.bv_len = strlen( mfilter.bv_val );
 203                 }
 204
 205 #ifdef NEW_LOGGING
 206                 LDAP_LOG( BACK_LDAP, DETAIL1,
 207                         "[rw] searchFilter: \"%s\" -> \"%s\"\n",
 208                         filterstr->bv_val, mfilter.bv_val, 0 );
 209 #else /* !NEW_LOGGING */
 210                 Debug( LDAP_DEBUG_ARGS,
 211                                 "rw> searchFilter: \"%s\" -> \"%s\"\n%s",
 212                                 filterstr->bv_val, mfilter.bv_val, "" );
 213 #endif /* !NEW_LOGGING */
 214                 break;
 215
 216         case REWRITE_REGEXEC_UNWILLING:
 217                 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 218                                 NULL, "Operation not allowed", NULL, NULL );
 219                 rc = -1;
 220                 goto finish;
 221
 222         case REWRITE_REGEXEC_ERR:
 223                 send_ldap_result( conn, op, LDAP_OTHER,
 224                                 NULL, "Rewrite error", NULL, NULL );
 225                 rc = -1;
 226                 goto finish;
 227         }
 228 #else /* !ENABLE_REWRITE */
 229         ldap_back_dn_massage( li, base, &mbase, 0, 1 );
 230 #endif /* !ENABLE_REWRITE */
 231
 232         mapped_filter = ldap_back_map_filter(&li->at_map, &li->oc_map,
 233 #ifdef ENABLE_REWRITE
 234                         &mfilter,
 235 #else /* !ENABLE_REWRITE */
 236                         filterstr,
 237 #endif /* !ENABLE_REWRITE */
 238                         0);
 239         if ( mapped_filter == NULL ) {
 240 #ifdef ENABLE_REWRITE
 241                 mapped_filter = mfilter.bv_val;
 242 #else /* !ENABLE_REWRITE */
 243                 mapped_filter = filterstr->bv_val;
 244 #endif /* !ENABLE_REWRITE */
 245         }
 246
 247 #ifdef ENABLE_REWRITE
 248         if ( mfilter.bv_val != filterstr->bv_val ) {
 249                 free( mfilter.bv_val );
 250         }
 251 #endif /* ENABLE_REWRITE */
 252
 253         mapped_attrs = ldap_back_map_attrs(&li->at_map, attrs, 0);
 254         if ( mapped_attrs == NULL && attrs) {
 255                 for (count=0; attrs[count].an_name.bv_val; count++);
 256                 mapped_attrs = ch_malloc( (count+1) * sizeof(char *));
 257                 for (count=0; attrs[count].an_name.bv_val; count++) {
 258                         mapped_attrs[count] = attrs[count].an_name.bv_val;
 259                 }
 260                 mapped_attrs[count] = NULL;
 261         }
 262
 263         msgid = ldap_search(lc->ld, mbase.bv_val, scope, mapped_filter,
 264                         mapped_attrs, attrsonly);
 265         if ( msgid == -1 ) {
 266 fail:;
 267                 rc = ldap_back_op_result(lc, op);
 268                 goto finish;
 269         }
 270
 271         /* We pull apart the ber result, stuff it into a slapd entry, and
 272          * let send_search_entry stuff it back into ber format. Slow & ugly,
 273          * but this is necessary for version matching, and for ACL processing.
 274          */
 275
 276         for (   count=0, rc=0;
 277                         rc != -1;
 278                         rc = ldap_result(lc->ld, msgid, 0, &tv, &res))
 279         {
 280                 /* check for abandon */
 281                 if (op->o_abandon) {
 282                         ldap_abandon(lc->ld, msgid);
 283                         rc = 0;
 284                         goto finish;
 285                 }
 286
 287                 if (rc == 0) {
 288                         tv.tv_sec = 0;
 289                         tv.tv_usec = 100000;
 290                         ldap_pvt_thread_yield();
 291
 292                 } else if (rc == LDAP_RES_SEARCH_ENTRY) {
 293                         e = ldap_first_entry(lc->ld,res);
 294                         if ( ldap_send_entry(be, op, lc, e, attrs, attrsonly)
 295                                         == LDAP_SUCCESS ) {
 296                                 count++;
 297                         }
 298                         ldap_msgfree(res);
 299
 300                 } else if ( rc == LDAP_RES_SEARCH_REFERENCE ) {
 301                         char            **references = NULL;
 302                         LDAPControl     **ctrls = NULL;
 303                         BerVarray       refs;
 304                         int             cnt;
 305
 306                         rc = ldap_parse_reference( lc->ld, res,
 307                                         &references, &ctrls, 1 );
 308
 309                         if ( rc != LDAP_SUCCESS ) {
 310                                 continue;
 311                         }
 312
 313                         if ( references == NULL ) {
 314                                 continue;
 315                         }
 316
 317                         for ( cnt = 0; references[ cnt ]; cnt++ )
 318                                 /* NO OP */ ;
 319
 320                         refs = ch_calloc( cnt + 1, sizeof( struct berval ) );
 321
 322                         for ( cnt = 0; references[ cnt ]; cnt++ ) {
 323                                 refs[ cnt ].bv_val = references[ cnt ];
 324                                 refs[ cnt ].bv_len = strlen( references[ cnt ] );
 325                         }
 326
 327                         /* ignore return value by now */
 328                         ( void )send_search_reference( be, conn, op,
 329                                         NULL, refs, ctrls, &v2refs );
 330
 331                         /* cleanup */
 332                         if ( references ) {
 333                                 ldap_value_free( references );
 334                                 ch_free( refs );
 335                         }
 336
 337                         if ( ctrls ) {
 338                                 ldap_controls_free( ctrls );
 339                         }
 340
 341                 } else {
 342                         sres = ldap_result2error(lc->ld, res, 1);
 343                         sres = ldap_back_map_result(sres);
 344                         ldap_get_option(lc->ld, LDAP_OPT_ERROR_STRING, &err);
 345                         ldap_get_option(lc->ld, LDAP_OPT_MATCHED_DN, &match);
 346                         rc = 0;
 347                         break;
 348                 }
 349         }
 350
 351         if (rc == -1)
 352                 goto fail;
 353
 354 #ifdef ENABLE_REWRITE
 355         /*
 356          * Rewrite the matched portion of the search base, if required
 357          */
 358         if ( match != NULL ) {
 359                 switch ( rewrite_session( li->rwinfo, "matchedDn",
 360                                 match, conn, &mmatch ) ) {
 361                 case REWRITE_REGEXEC_OK:
 362                         if ( mmatch == NULL ) {
 363                                 mmatch = ( char * )match;
 364                         }
 365 #ifdef NEW_LOGGING
 366                         LDAP_LOG( BACK_LDAP, DETAIL1,
 367                                 "[rw]  matchedDn:" " \"%s\" -> \"%s\"\n", match, mmatch, 0 );
 368 #else /* !NEW_LOGGING */
 369                         Debug( LDAP_DEBUG_ARGS, "rw> matchedDn:"
 370                                         " \"%s\" -> \"%s\"\n%s",
 371                                         match, mmatch, "" );
 372 #endif /* !NEW_LOGGING */
 373                         break;
 374
 375                 case REWRITE_REGEXEC_UNWILLING:
 376
 377                 case REWRITE_REGEXEC_ERR:
 378                         /* FIXME: no error, but no matched ... */
 379                         mmatch = NULL;
 380                         break;
 381                 }
 382         }
 383
 384         if ( v2refs ) {
 385                 sres = LDAP_REFERRAL;
 386         }
 387
 388         send_search_result( conn, op, sres,
 389                 mmatch, err, v2refs, NULL, count );
 390
 391 #else /* !ENABLE_REWRITE */
 392         if ( v2refs ) {
 393                 sres = LDAP_REFERRAL;
 394         }
 395         send_search_result( conn, op, sres,
 396                 match, err, v2refs, NULL, count );
 397 #endif /* !ENABLE_REWRITE */
 398
 399 finish:;
 400         if ( match ) {
 401 #ifdef ENABLE_REWRITE
 402                 if ( mmatch != match ) {
 403                         free( mmatch );
 404                 }
 405 #endif /* ENABLE_REWRITE */
 406                 LDAP_FREE(match);
 407         }
 408         if ( err ) {
 409                 LDAP_FREE( err );
 410         }
 411         if ( mapped_attrs ) {
 412                 ch_free( mapped_attrs );
 413         }
 414         if ( mapped_filter != filterstr->bv_val ) {
 415                 ch_free( mapped_filter );
 416         }
 417         if ( mbase.bv_val != base->bv_val ) {
 418                 free( mbase.bv_val );
 419         }
 420
 421         return rc;
 422 }
 423
 424 static int
 425 ldap_send_entry(
 426         Backend *be,
 427         Operation *op,
 428         struct ldapconn *lc,
 429         LDAPMessage *e,
 430         AttributeName *attrs,
 431         int attrsonly
 432 )
 433 {
 434         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 435         struct berval a, mapped;
 436         Entry ent;
 437         BerElement ber = *e->lm_ber;
 438         Attribute *attr, **attrp;
 439         struct berval dummy = { 0, NULL };
 440         struct berval *bv, bdn;
 441         const char *text;
 442
 443         if ( ber_scanf( &ber, "{m{", &bdn ) == LBER_ERROR ) {
 444                 return LDAP_DECODING_ERROR;
 445         }
 446 #ifdef ENABLE_REWRITE
 447
 448         /*
 449          * Rewrite the dn of the result, if needed
 450          */
 451         switch ( rewrite_session( li->rwinfo, "searchResult",
 452                                 bdn.bv_val, lc->conn, &ent.e_name.bv_val ) ) {
 453         case REWRITE_REGEXEC_OK:
 454                 if ( ent.e_name.bv_val == NULL ) {
 455                         ent.e_name = bdn;
 456                 } else {
 457 #ifdef NEW_LOGGING
 458                         LDAP_LOG( BACK_LDAP, DETAIL1,
 459                                 "[rw] searchResult: \"%s\"" " -> \"%s\"\n",
 460                                 bdn.bv_val, ent.e_dn, 0 );
 461 #else /* !NEW_LOGGING */
 462                         Debug( LDAP_DEBUG_ARGS, "rw> searchResult: \"%s\""
 463                                         " -> \"%s\"\n%s", bdn.bv_val, ent.e_dn, "" );
 464 #endif /* !NEW_LOGGING */
 465                         ent.e_name.bv_len = strlen( ent.e_name.bv_val );
 466                 }
 467                 break;
 468
 469         case REWRITE_REGEXEC_ERR:
 470         case REWRITE_REGEXEC_UNWILLING:
 471                 return LDAP_OTHER;
 472         }
 473 #else /* !ENABLE_REWRITE */
 474         ldap_back_dn_massage( li, &bdn, &ent.e_name, 0, 0 );
 475 #endif /* !ENABLE_REWRITE */
 476
 477         /*
 478          * Note: this may fail if the target host(s) schema differs
 479          * from the one known to the meta, and a DN with unknown
 480          * attributes is returned.
 481          *
 482          * FIXME: should we log anything, or delegate to dnNormalize2?
 483          */
 484         if ( dnNormalize2( NULL, &ent.e_name, &ent.e_nname ) != LDAP_SUCCESS ) {
 485                 return LDAP_INVALID_DN_SYNTAX;
 486         }
 487
 488         ent.e_id = 0;
 489         ent.e_attrs = 0;
 490         ent.e_private = 0;
 491         attrp = &ent.e_attrs;
 492
 493         while ( ber_scanf( &ber, "{m", &a ) != LBER_ERROR ) {
 494                 ldap_back_map(&li->at_map, &a, &mapped, 1);
 495                 if (mapped.bv_val == NULL)
 496                         continue;
 497                 attr = (Attribute *)ch_malloc( sizeof(Attribute) );
 498                 if (attr == NULL)
 499                         continue;
 500                 attr->a_flags = 0;
 501                 attr->a_next = 0;
 502                 attr->a_desc = NULL;
 503                 if (slap_bv2ad(&mapped, &attr->a_desc, &text) != LDAP_SUCCESS) {
 504                         if (slap_bv2undef_ad(&mapped, &attr->a_desc, &text)
 505                                         != LDAP_SUCCESS) {
 506 #ifdef NEW_LOGGING
 507                                 LDAP_LOG( BACK_LDAP, DETAIL1,
 508                                         "slap_bv2undef_ad(%s):  %s\n", mapped.bv_val, text, 0 );
 509 #else /* !NEW_LOGGING */
 510                                 Debug( LDAP_DEBUG_ANY,
 511                                                 "slap_bv2undef_ad(%s):  "
 512                                                 "%s\n%s", mapped.bv_val, text, "" );
 513 #endif /* !NEW_LOGGING */
 514                                 ch_free(attr);
 515                                 continue;
 516                         }
 517                 }
 518
 519                 /* no subschemaSubentry */
 520                 if ( attr->a_desc == slap_schema.si_ad_subschemaSubentry ) {
 521                         ch_free(attr);
 522                         continue;
 523                 }
 524
 525                 if ( ber_scanf( &ber, "[W]", &attr->a_vals ) == LBER_ERROR
 526                                 || attr->a_vals == NULL ) {
 527                         /*
 528                          * Note: attr->a_vals can be null when using
 529                          * values result filter
 530                          */
 531                         attr->a_vals = &dummy;
 532
 533                 } else if ( attr->a_desc == slap_schema.si_ad_objectClass
 534                                 || attr->a_desc == slap_schema.si_ad_structuralObjectClass ) {
 535                         int i, last;
 536
 537                         for ( last = 0; attr->a_vals[last].bv_val; last++ ) ;
 538                         for ( i = 0, bv = attr->a_vals; bv->bv_val; bv++, i++ ) {
 539                                 ldap_back_map(&li->oc_map, bv, &mapped, 1);
 540                                 if (mapped.bv_val == NULL) {
 541                                         LBER_FREE(bv->bv_val);
 542                                         bv->bv_val = NULL;
 543                                         if (--last < 0)
 544                                                 break;
 545                                         *bv = attr->a_vals[last];
 546                                         attr->a_vals[last].bv_val = NULL;
 547                                         i--;
 548                                 } else if ( mapped.bv_val != bv->bv_val ) {
 549                                         /*
 550                                          * FIXME: after LBER_FREEing
 551                                          * the value is replaced by
 552                                          * ch_alloc'ed memory
 553                                          */
 554                                         LBER_FREE(bv->bv_val);
 555                                         ber_dupbv( bv, &mapped );
 556                                 }
 557                         }
 558
 559                 /*
 560                  * It is necessary to try to rewrite attributes with
 561                  * dn syntax because they might be used in ACLs as
 562                  * members of groups; since ACLs are applied to the
 563                  * rewritten stuff, no dn-based subject clause could
 564                  * be used at the ldap backend side (see
 565                  * http://www.OpenLDAP.org/faq/data/cache/452.html)
 566                  * The problem can be overcome by moving the dn-based
 567                  * ACLs to the target directory server, and letting
 568                  * everything pass thru the ldap backend.
 569                  */
 570                 } else if ( strcmp( attr->a_desc->ad_type->sat_syntax->ssyn_oid,
 571                                         SLAPD_DN_SYNTAX ) == 0 ) {
 572                         int i;
 573                         for ( i = 0, bv = attr->a_vals; bv->bv_val; bv++, i++ ) {
 574                                 struct berval newval;
 575
 576 #ifdef ENABLE_REWRITE
 577                                 switch ( rewrite_session( li->rwinfo,
 578                                                         "searchResult",
 579                                                         bv->bv_val,
 580                                                         lc->conn,
 581                                                         &newval.bv_val )) {
 582                                 case REWRITE_REGEXEC_OK:
 583                                         /* left as is */
 584                                         if ( newval.bv_val == NULL ) {
 585                                                 break;
 586                                         }
 587                                         newval.bv_len = strlen( newval.bv_val );
 588 #ifdef NEW_LOGGING
 589                                         LDAP_LOG( BACK_LDAP, DETAIL1,
 590                                                 "[rw] searchResult on attr=%s: \"%s\" -> \"%s\"\n",
 591                                                 attr->a_desc->ad_type->sat_cname.bv_val,
 592                                                 bv->bv_val, newval.bv_val );
 593 #else /* !NEW_LOGGING */
 594                                         Debug( LDAP_DEBUG_ARGS,
 595                 "rw> searchResult on attr=%s: \"%s\" -> \"%s\"\n",
 596                                                 attr->a_desc->ad_type->sat_cname.bv_val,
 597                                                 bv->bv_val, newval.bv_val );
 598 #endif /* !NEW_LOGGING */
 599                                         free( bv->bv_val );
 600                                         *bv = newval;
 601                                         break;
 602
 603                                 case REWRITE_REGEXEC_UNWILLING:
 604
 605                                 case REWRITE_REGEXEC_ERR:
 606                                         /*
 607                                          * FIXME: better give up,
 608                                          * skip the attribute
 609                                          * or leave it untouched?
 610                                          */
 611                                         break;
 612                                 }
 613 #else /* !ENABLE_REWRITE */
 614                                 ldap_back_dn_massage( li, bv, &newval, 0, 0 );
 615                                 *bv = newval;
 616 #endif /* !ENABLE_REWRITE */
 617                         }
 618                 }
 619
 620                 *attrp = attr;
 621                 attrp = &attr->a_next;
 622         }
 623         send_search_entry( be, lc->conn, op, &ent, attrs, attrsonly, NULL );
 624         while (ent.e_attrs) {
 625                 attr = ent.e_attrs;
 626                 ent.e_attrs = attr->a_next;
 627                 if (attr->a_vals != &dummy)
 628                         ber_bvarray_free(attr->a_vals);
 629                 ch_free(attr);
 630         }
 631
 632         if ( ent.e_dn && ( ent.e_dn != bdn.bv_val ) )
 633                 free( ent.e_dn );
 634         if ( ent.e_ndn )
 635                 free( ent.e_ndn );
 636
 637         return LDAP_SUCCESS;
 638 }