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 && tlimit > limit->lms_t_soft ) {
 114                         tlimit = limit->lms_t_soft;
 115
 116                 /* positive hard limit means abort */
 117                 } else if ( limit->lms_t_hard > 0 ) {
 118                         send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 119                                         NULL, NULL, NULL, NULL );
 120                         rc = 0;
 121                         goto finish;
 122                 }
 123
 124                 /* negative hard limit means no limit */
 125         }
 126
 127         /* if no size limit requested, rely on remote server limits */
 128         /* if requested limit higher than hard limit, abort */
 129         if ( !isroot && slimit > limit->lms_s_hard ) {
 130                 /* no hard limit means use soft instead */
 131                 if ( limit->lms_s_hard == 0 && slimit > limit->lms_s_soft ) {
 132                         slimit = limit->lms_s_soft;
 133
 134                 /* positive hard limit means abort */
 135                 } else if ( limit->lms_s_hard > 0 ) {
 136                         send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 137                                         NULL, NULL, NULL, NULL );
 138                         rc = 0;
 139                         goto finish;
 140                 }
 141
 142                 /* negative hard limit means no limit */
 143         }
 144
 145         /* should we check return values? */
 146         if (deref != -1)
 147                 ldap_set_option( lc->ld, LDAP_OPT_DEREF, (void *)&deref);
 148         if (tlimit != -1)
 149                 ldap_set_option( lc->ld, LDAP_OPT_TIMELIMIT, (void *)&tlimit);
 150         if (slimit != -1)
 151                 ldap_set_option( lc->ld, LDAP_OPT_SIZELIMIT, (void *)&slimit);
 152
 153         /*
 154          * Rewrite the search base, if required
 155          */
 156 #ifdef ENABLE_REWRITE
 157         switch ( rewrite_session( li->rwinfo, "searchBase",
 158                                 base->bv_val, conn, &mbase.bv_val ) ) {
 159         case REWRITE_REGEXEC_OK:
 160                 if ( mbase.bv_val == NULL ) {
 161                         mbase = *base;
 162                 }
 163 #ifdef NEW_LOGGING
 164                 LDAP_LOG( BACK_LDAP, DETAIL1,
 165                         "[rw] searchBase: \"%s\" -> \"%s\"\n",
 166                         base->bv_val, mbase.bv_val, 0 );
 167 #else /* !NEW_LOGGING */
 168                 Debug( LDAP_DEBUG_ARGS, "rw> searchBase: \"%s\" -> \"%s\"\n%s",
 169                                 base->bv_val, mbase.bv_val, "" );
 170 #endif /* !NEW_LOGGING */
 171                 break;
 172
 173         case REWRITE_REGEXEC_UNWILLING:
 174                 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 175                                 NULL, "Operation not allowed", NULL, NULL );
 176                 rc = -1;
 177                 goto finish;
 178
 179         case REWRITE_REGEXEC_ERR:
 180                 send_ldap_result( conn, op, LDAP_OTHER,
 181                                 NULL, "Rewrite error", NULL, NULL );
 182                 rc = -1;
 183                 goto finish;
 184         }
 185
 186         /*
 187          * Rewrite the search filter, if required
 188          */
 189         switch ( rewrite_session( li->rwinfo, "searchFilter",
 190                                 filterstr->bv_val, conn, &mfilter.bv_val ) ) {
 191         case REWRITE_REGEXEC_OK:
 192                 if ( mfilter.bv_val == NULL || mfilter.bv_val[0] == '\0') {
 193                         if ( mfilter.bv_val != NULL ) {
 194                                 free( mfilter.bv_val );
 195                         }
 196                         mfilter = *filterstr;
 197                 } else {
 198                         mfilter.bv_len = strlen( mfilter.bv_val );
 199                 }
 200
 201 #ifdef NEW_LOGGING
 202                 LDAP_LOG( BACK_LDAP, DETAIL1,
 203                         "[rw] searchFilter: \"%s\" -> \"%s\"\n",
 204                         filterstr->bv_val, mfilter.bv_val, 0 );
 205 #else /* !NEW_LOGGING */
 206                 Debug( LDAP_DEBUG_ARGS,
 207                                 "rw> searchFilter: \"%s\" -> \"%s\"\n%s",
 208                                 filterstr->bv_val, mfilter.bv_val, "" );
 209 #endif /* !NEW_LOGGING */
 210                 break;
 211
 212         case REWRITE_REGEXEC_UNWILLING:
 213                 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
 214                                 NULL, "Operation not allowed", NULL, NULL );
 215                 rc = -1;
 216                 goto finish;
 217
 218         case REWRITE_REGEXEC_ERR:
 219                 send_ldap_result( conn, op, LDAP_OTHER,
 220                                 NULL, "Rewrite error", NULL, NULL );
 221                 rc = -1;
 222                 goto finish;
 223         }
 224 #else /* !ENABLE_REWRITE */
 225         ldap_back_dn_massage( li, base, &mbase, 0, 1 );
 226 #endif /* !ENABLE_REWRITE */
 227
 228         mapped_filter = ldap_back_map_filter(&li->at_map, &li->oc_map,
 229 #ifdef ENABLE_REWRITE
 230                         &mfilter,
 231 #else /* !ENABLE_REWRITE */
 232                         filterstr,
 233 #endif /* !ENABLE_REWRITE */
 234                         0);
 235         if ( mapped_filter == NULL ) {
 236 #ifdef ENABLE_REWRITE
 237                 mapped_filter = mfilter.bv_val;
 238 #else /* !ENABLE_REWRITE */
 239                 mapped_filter = filterstr->bv_val;
 240 #endif /* !ENABLE_REWRITE */
 241         }
 242
 243 #ifdef ENABLE_REWRITE
 244         if ( mfilter.bv_val != filterstr->bv_val ) {
 245                 free( mfilter.bv_val );
 246         }
 247 #endif /* ENABLE_REWRITE */
 248
 249         mapped_attrs = ldap_back_map_attrs(&li->at_map, attrs, 0);
 250         if ( mapped_attrs == NULL && attrs) {
 251                 for (count=0; attrs[count].an_name.bv_val; count++);
 252                 mapped_attrs = ch_malloc( (count+1) * sizeof(char *));
 253                 for (count=0; attrs[count].an_name.bv_val; count++) {
 254                         mapped_attrs[count] = attrs[count].an_name.bv_val;
 255                 }
 256                 mapped_attrs[count] = NULL;
 257         }
 258
 259         msgid = ldap_search(lc->ld, mbase.bv_val, scope, mapped_filter,
 260                         mapped_attrs, attrsonly);
 261         if ( msgid == -1 ) {
 262 fail:;
 263                 rc = ldap_back_op_result(lc, op);
 264                 goto finish;
 265         }
 266
 267         /* We pull apart the ber result, stuff it into a slapd entry, and
 268          * let send_search_entry stuff it back into ber format. Slow & ugly,
 269          * but this is necessary for version matching, and for ACL processing.
 270          */
 271
 272         for (   count=0, rc=0;
 273                         rc != -1;
 274                         rc = ldap_result(lc->ld, msgid, 0, &tv, &res))
 275         {
 276                 /* check for abandon */
 277                 if (op->o_abandon) {
 278                         ldap_abandon(lc->ld, msgid);
 279                         rc = 0;
 280                         goto finish;
 281                 }
 282
 283                 if (rc == 0) {
 284                         tv.tv_sec = 0;
 285                         tv.tv_usec = 100000;
 286                         ldap_pvt_thread_yield();
 287
 288                 } else if (rc == LDAP_RES_SEARCH_ENTRY) {
 289                         e = ldap_first_entry(lc->ld,res);
 290                         if ( ldap_send_entry(be, op, lc, e, attrs, attrsonly)
 291                                         == LDAP_SUCCESS ) {
 292                                 count++;
 293                         }
 294                         ldap_msgfree(res);
 295
 296                 } else if ( rc == LDAP_RES_SEARCH_REFERENCE ) {
 297                         char            **references = NULL;
 298                         LDAPControl     **ctrls = NULL;
 299                         BerVarray       refs;
 300                         int             cnt;
 301
 302                         rc = ldap_parse_reference( lc->ld, res,
 303                                         &references, &ctrls, 1 );
 304
 305                         if ( rc != LDAP_SUCCESS ) {
 306                                 continue;
 307                         }
 308
 309                         if ( references == NULL ) {
 310                                 continue;
 311                         }
 312
 313                         for ( cnt = 0; references[ cnt ]; cnt++ )
 314                                 /* NO OP */ ;
 315
 316                         refs = ch_calloc( cnt + 1, sizeof( struct berval ) );
 317
 318                         for ( cnt = 0; references[ cnt ]; cnt++ ) {
 319                                 refs[ cnt ].bv_val = references[ cnt ];
 320                                 refs[ cnt ].bv_len = strlen( references[ cnt ] );
 321                         }
 322
 323                         /* ignore return value by now */
 324                         ( void )send_search_reference( be, conn, op,
 325                                         NULL, refs, ctrls, &v2refs );
 326
 327                         /* cleanup */
 328                         if ( references ) {
 329                                 ldap_value_free( references );
 330                                 ch_free( refs );
 331                         }
 332
 333                         if ( ctrls ) {
 334                                 ldap_controls_free( ctrls );
 335                         }
 336
 337                 } else {
 338                         sres = ldap_result2error(lc->ld, res, 1);
 339                         sres = ldap_back_map_result(sres);
 340                         ldap_get_option(lc->ld, LDAP_OPT_ERROR_STRING, &err);
 341                         ldap_get_option(lc->ld, LDAP_OPT_MATCHED_DN, &match);
 342                         rc = 0;
 343                         break;
 344                 }
 345         }
 346
 347         if (rc == -1)
 348                 goto fail;
 349
 350 #ifdef ENABLE_REWRITE
 351         /*
 352          * Rewrite the matched portion of the search base, if required
 353          */
 354         if ( match != NULL ) {
 355                 switch ( rewrite_session( li->rwinfo, "matchedDn",
 356                                 match, conn, &mmatch ) ) {
 357                 case REWRITE_REGEXEC_OK:
 358                         if ( mmatch == NULL ) {
 359                                 mmatch = ( char * )match;
 360                         }
 361 #ifdef NEW_LOGGING
 362                         LDAP_LOG( BACK_LDAP, DETAIL1,
 363                                 "[rw]  matchedDn:" " \"%s\" -> \"%s\"\n", match, mmatch, 0 );
 364 #else /* !NEW_LOGGING */
 365                         Debug( LDAP_DEBUG_ARGS, "rw> matchedDn:"
 366                                         " \"%s\" -> \"%s\"\n%s",
 367                                         match, mmatch, "" );
 368 #endif /* !NEW_LOGGING */
 369                         break;
 370
 371                 case REWRITE_REGEXEC_UNWILLING:
 372
 373                 case REWRITE_REGEXEC_ERR:
 374                         /* FIXME: no error, but no matched ... */
 375                         mmatch = NULL;
 376                         break;
 377                 }
 378         }
 379
 380         if ( v2refs ) {
 381                 sres = LDAP_REFERRAL;
 382         }
 383
 384         send_search_result( conn, op, sres,
 385                 mmatch, err, v2refs, NULL, count );
 386
 387 #else /* !ENABLE_REWRITE */
 388         if ( v2refs ) {
 389                 sres = LDAP_REFERRAL;
 390         }
 391         send_search_result( conn, op, sres,
 392                 match, err, v2refs, NULL, count );
 393 #endif /* !ENABLE_REWRITE */
 394
 395 finish:;
 396         if ( match ) {
 397 #ifdef ENABLE_REWRITE
 398                 if ( mmatch != match ) {
 399                         free( mmatch );
 400                 }
 401 #endif /* ENABLE_REWRITE */
 402                 LDAP_FREE(match);
 403         }
 404         if ( err ) {
 405                 LDAP_FREE( err );
 406         }
 407         if ( mapped_attrs ) {
 408                 ch_free( mapped_attrs );
 409         }
 410         if ( mapped_filter != filterstr->bv_val ) {
 411                 ch_free( mapped_filter );
 412         }
 413         if ( mbase.bv_val != base->bv_val ) {
 414                 free( mbase.bv_val );
 415         }
 416
 417         return rc;
 418 }
 419
 420 static int
 421 ldap_send_entry(
 422         Backend *be,
 423         Operation *op,
 424         struct ldapconn *lc,
 425         LDAPMessage *e,
 426         AttributeName *attrs,
 427         int attrsonly
 428 )
 429 {
 430         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
 431         struct berval a, mapped;
 432         Entry ent;
 433         BerElement ber = *e->lm_ber;
 434         Attribute *attr, **attrp;
 435         struct berval dummy = { 0, NULL };
 436         struct berval *bv, bdn;
 437         const char *text;
 438
 439         if ( ber_scanf( &ber, "{m{", &bdn ) == LBER_ERROR ) {
 440                 return LDAP_DECODING_ERROR;
 441         }
 442 #ifdef ENABLE_REWRITE
 443
 444         /*
 445          * Rewrite the dn of the result, if needed
 446          */
 447         switch ( rewrite_session( li->rwinfo, "searchResult",
 448                                 bdn.bv_val, lc->conn, &ent.e_name.bv_val ) ) {
 449         case REWRITE_REGEXEC_OK:
 450                 if ( ent.e_name.bv_val == NULL ) {
 451                         ent.e_name = bdn;
 452                 } else {
 453 #ifdef NEW_LOGGING
 454                         LDAP_LOG( BACK_LDAP, DETAIL1,
 455                                 "[rw] searchResult: \"%s\"" " -> \"%s\"\n",
 456                                 bdn.bv_val, ent.e_dn, 0 );
 457 #else /* !NEW_LOGGING */
 458                         Debug( LDAP_DEBUG_ARGS, "rw> searchResult: \"%s\""
 459                                         " -> \"%s\"\n%s", bdn.bv_val, ent.e_dn, "" );
 460 #endif /* !NEW_LOGGING */
 461                         ent.e_name.bv_len = strlen( ent.e_name.bv_val );
 462                 }
 463                 break;
 464
 465         case REWRITE_REGEXEC_ERR:
 466         case REWRITE_REGEXEC_UNWILLING:
 467                 return LDAP_OTHER;
 468         }
 469 #else /* !ENABLE_REWRITE */
 470         ldap_back_dn_massage( li, &bdn, &ent.e_name, 0, 0 );
 471 #endif /* !ENABLE_REWRITE */
 472
 473         /*
 474          * Note: this may fail if the target host(s) schema differs
 475          * from the one known to the meta, and a DN with unknown
 476          * attributes is returned.
 477          *
 478          * FIXME: should we log anything, or delegate to dnNormalize2?
 479          */
 480         if ( dnNormalize2( NULL, &ent.e_name, &ent.e_nname ) != LDAP_SUCCESS ) {
 481                 return LDAP_INVALID_DN_SYNTAX;
 482         }
 483
 484         ent.e_id = 0;
 485         ent.e_attrs = 0;
 486         ent.e_private = 0;
 487         attrp = &ent.e_attrs;
 488
 489         while ( ber_scanf( &ber, "{m", &a ) != LBER_ERROR ) {
 490                 ldap_back_map(&li->at_map, &a, &mapped, 1);
 491                 if (mapped.bv_val == NULL)
 492                         continue;
 493                 attr = (Attribute *)ch_malloc( sizeof(Attribute) );
 494                 if (attr == NULL)
 495                         continue;
 496                 attr->a_flags = 0;
 497                 attr->a_next = 0;
 498                 attr->a_desc = NULL;
 499                 if (slap_bv2ad(&mapped, &attr->a_desc, &text) != LDAP_SUCCESS) {
 500                         if (slap_bv2undef_ad(&mapped, &attr->a_desc, &text)
 501                                         != LDAP_SUCCESS) {
 502 #ifdef NEW_LOGGING
 503                                 LDAP_LOG( BACK_LDAP, DETAIL1,
 504                                         "slap_bv2undef_ad(%s):  %s\n", mapped.bv_val, text, 0 );
 505 #else /* !NEW_LOGGING */
 506                                 Debug( LDAP_DEBUG_ANY,
 507                                                 "slap_bv2undef_ad(%s):  "
 508                                                 "%s\n%s", mapped.bv_val, text, "" );
 509 #endif /* !NEW_LOGGING */
 510                                 ch_free(attr);
 511                                 continue;
 512                         }
 513                 }
 514
 515                 /* no subschemaSubentry */
 516                 if ( attr->a_desc == slap_schema.si_ad_subschemaSubentry ) {
 517                         ch_free(attr);
 518                         continue;
 519                 }
 520
 521                 if ( ber_scanf( &ber, "[W]", &attr->a_vals ) == LBER_ERROR
 522                                 || attr->a_vals == NULL ) {
 523                         /*
 524                          * Note: attr->a_vals can be null when using
 525                          * values result filter
 526                          */
 527                         attr->a_vals = &dummy;
 528
 529                 } else if ( attr->a_desc == slap_schema.si_ad_objectClass
 530                                 || attr->a_desc == slap_schema.si_ad_structuralObjectClass ) {
 531                         int i, last;
 532
 533                         for ( last = 0; attr->a_vals[last].bv_val; last++ ) ;
 534                         for ( i = 0, bv = attr->a_vals; bv->bv_val; bv++, i++ ) {
 535                                 ldap_back_map(&li->oc_map, bv, &mapped, 1);
 536                                 if (mapped.bv_val == NULL) {
 537                                         LBER_FREE(bv->bv_val);
 538                                         bv->bv_val = NULL;
 539                                         if (--last < 0)
 540                                                 break;
 541                                         *bv = attr->a_vals[last];
 542                                         attr->a_vals[last].bv_val = NULL;
 543                                         i--;
 544                                 } else if ( mapped.bv_val != bv->bv_val ) {
 545                                         /*
 546                                          * FIXME: after LBER_FREEing
 547                                          * the value is replaced by
 548                                          * ch_alloc'ed memory
 549                                          */
 550                                         LBER_FREE(bv->bv_val);
 551                                         ber_dupbv( bv, &mapped );
 552                                 }
 553                         }
 554
 555                 /*
 556                  * It is necessary to try to rewrite attributes with
 557                  * dn syntax because they might be used in ACLs as
 558                  * members of groups; since ACLs are applied to the
 559                  * rewritten stuff, no dn-based subject clause could
 560                  * be used at the ldap backend side (see
 561                  * http://www.OpenLDAP.org/faq/data/cache/452.html)
 562                  * The problem can be overcome by moving the dn-based
 563                  * ACLs to the target directory server, and letting
 564                  * everything pass thru the ldap backend.
 565                  */
 566                 } else if ( strcmp( attr->a_desc->ad_type->sat_syntax->ssyn_oid,
 567                                         SLAPD_DN_SYNTAX ) == 0 ) {
 568                         int i;
 569                         for ( i = 0, bv = attr->a_vals; bv->bv_val; bv++, i++ ) {
 570                                 struct berval newval;
 571
 572 #ifdef ENABLE_REWRITE
 573                                 switch ( rewrite_session( li->rwinfo,
 574                                                         "searchResult",
 575                                                         bv->bv_val,
 576                                                         lc->conn,
 577                                                         &newval.bv_val )) {
 578                                 case REWRITE_REGEXEC_OK:
 579                                         /* left as is */
 580                                         if ( newval.bv_val == NULL ) {
 581                                                 break;
 582                                         }
 583                                         newval.bv_len = strlen( newval.bv_val );
 584 #ifdef NEW_LOGGING
 585                                         LDAP_LOG( BACK_LDAP, DETAIL1,
 586                                                 "[rw] searchResult on attr=%s: \"%s\" -> \"%s\"\n",
 587                                                 attr->a_desc->ad_type->sat_cname.bv_val,
 588                                                 bv->bv_val, newval.bv_val );
 589 #else /* !NEW_LOGGING */
 590                                         Debug( LDAP_DEBUG_ARGS,
 591                 "rw> searchResult on attr=%s: \"%s\" -> \"%s\"\n",
 592                                                 attr->a_desc->ad_type->sat_cname.bv_val,
 593                                                 bv->bv_val, newval.bv_val );
 594 #endif /* !NEW_LOGGING */
 595                                         free( bv->bv_val );
 596                                         *bv = newval;
 597                                         break;
 598
 599                                 case REWRITE_REGEXEC_UNWILLING:
 600
 601                                 case REWRITE_REGEXEC_ERR:
 602                                         /*
 603                                          * FIXME: better give up,
 604                                          * skip the attribute
 605                                          * or leave it untouched?
 606                                          */
 607                                         break;
 608                                 }
 609 #else /* !ENABLE_REWRITE */
 610                                 ldap_back_dn_massage( li, bv, &newval, 0, 0 );
 611                                 *bv = newval;
 612 #endif /* !ENABLE_REWRITE */
 613                         }
 614                 }
 615
 616                 *attrp = attr;
 617                 attrp = &attr->a_next;
 618         }
 619         send_search_entry( be, lc->conn, op, &ent, attrs, attrsonly, NULL );
 620         while (ent.e_attrs) {
 621                 attr = ent.e_attrs;
 622                 ent.e_attrs = attr->a_next;
 623                 if (attr->a_vals != &dummy)
 624                         ber_bvarray_free(attr->a_vals);
 625                 ch_free(attr);
 626         }
 627
 628         if ( ent.e_dn && ( ent.e_dn != bdn.bv_val ) )
 629                 free( ent.e_dn );
 630         if ( ent.e_ndn )
 631                 free( ent.e_ndn );
 632
 633         return LDAP_SUCCESS;
 634 }