git.sur5r.net Git - openldap/blob - servers/slapd/back-meta/bind.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2005 The OpenLDAP Foundation.
   5  * Portions Copyright 2001-2003 Pierangelo Masarati.
   6  * Portions Copyright 1999-2003 Howard Chu.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by the Howard Chu for inclusion
  19  * in OpenLDAP Software and subsequently enhanced by Pierangelo
  20  * Masarati.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26
  27 #include <ac/socket.h>
  28 #include <ac/string.h>
  29
  30
  31 #define AVL_INTERNAL
  32 #include "slap.h"
  33 #include "../back-ldap/back-ldap.h"
  34 #include "back-meta.h"
  35
  36 static LDAP_REBIND_PROC meta_back_rebind;
  37
  38 static int
  39 meta_back_single_bind(
  40         Operation               *op,
  41         SlapReply               *rs,
  42         metaconn_t              *mc,
  43         int                     candidate );
  44
  45 int
  46 meta_back_bind( Operation *op, SlapReply *rs )
  47 {
  48         metainfo_t      *mi = ( metainfo_t * )op->o_bd->be_private;
  49         metaconn_t      *mc;
  50
  51         int             rc = LDAP_OTHER,
  52                         i, gotit = 0, isroot = 0;
  53
  54         SlapReply       *candidates = meta_back_candidates_get( op );
  55
  56         rs->sr_err = LDAP_SUCCESS;
  57
  58         Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s",
  59                         op->o_req_dn.bv_val, "", "" );
  60
  61         if ( op->orb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
  62                 isroot = 1;
  63                 ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
  64         }
  65
  66         /* we need meta_back_getconn() not send result even on error,
  67          * because we want to intercept the error and make it
  68          * invalidCredentials */
  69         mc = meta_back_getconn( op, rs, NULL, LDAP_BACK_DONTSEND );
  70         if ( !mc ) {
  71                 Debug( LDAP_DEBUG_ANY,
  72                                 "meta_back_bind: no target "
  73                                 "for dn \"%s\" (%d: %s).\n",
  74                                 op->o_req_dn.bv_val, rs->sr_err,
  75                                 rs->sr_text ? rs->sr_text : "" );
  76                 /* FIXME: there might be cases where we don't want
  77                  * to map the error onto invalidCredentials */
  78                 switch ( rs->sr_err ) {
  79                 case LDAP_NO_SUCH_OBJECT:
  80                 case LDAP_UNWILLING_TO_PERFORM:
  81                         rs->sr_err = LDAP_INVALID_CREDENTIALS;
  82                         rs->sr_text = NULL;
  83                         break;
  84                 }
  85                 send_ldap_result( op, rs );
  86                 return rs->sr_err;
  87         }
  88
  89         /*
  90          * Each target is scanned ...
  91          */
  92         mc->mc_auth_target = META_BOUND_NONE;
  93         for ( i = 0; i < mi->mi_ntargets; i++ ) {
  94                 int             lerr;
  95                 Operation       op2 = *op;
  96
  97                 /*
  98                  * Skip non-candidates
  99                  */
 100                 if ( candidates[ i ].sr_tag != META_CANDIDATE ) {
 101                         continue;
 102                 }
 103
 104                 if ( gotit == 0 ) {
 105                         gotit = 1;
 106
 107                 } else if ( isroot == 0 ) {
 108                         /*
 109                          * A bind operation is expected to have
 110                          * ONE CANDIDATE ONLY!
 111                          */
 112                         Debug( LDAP_DEBUG_ANY,
 113                                         "==>meta_back_bind: more than one"
 114                                         " candidate is trying to bind...\n",
 115                                         0, 0, 0 );
 116                 }
 117
 118                 if ( isroot && !BER_BVISNULL( &mi->mi_targets[ i ].mt_pseudorootdn ) )
 119                 {
 120                         op2.o_req_dn = mi->mi_targets[ i ].mt_pseudorootdn;
 121                         op2.o_req_ndn = mi->mi_targets[ i ].mt_pseudorootdn;
 122                         op2.orb_cred = mi->mi_targets[ i ].mt_pseudorootpw;
 123                         op2.orb_method = LDAP_AUTH_SIMPLE;
 124                 }
 125
 126                 lerr = meta_back_single_bind( &op2, rs, mc, i );
 127                 if ( lerr != LDAP_SUCCESS ) {
 128                         rs->sr_err = lerr;
 129                         candidates[ i ].sr_tag = META_NOT_CANDIDATE;
 130
 131                 } else {
 132                         rc = LDAP_SUCCESS;
 133                 }
 134         }
 135
 136         if ( isroot ) {
 137                 mc->mc_auth_target = META_BOUND_ALL;
 138         }
 139
 140         /*
 141          * rc is LDAP_SUCCESS if at least one bind succeeded,
 142          * err is the last error that occurred during a bind;
 143          * if at least (and at most?) one bind succeedes, fine.
 144          */
 145         if ( rc != LDAP_SUCCESS ) {
 146
 147                 /*
 148                  * deal with bind failure ...
 149                  */
 150
 151                 /*
 152                  * no target was found within the naming context,
 153                  * so bind must fail with invalid credentials
 154                  */
 155                 if ( rs->sr_err == LDAP_SUCCESS && gotit == 0 ) {
 156                         rs->sr_err = LDAP_INVALID_CREDENTIALS;
 157                 }
 158
 159                 rs->sr_err = slap_map_api2result( rs );
 160                 send_ldap_result( op, rs );
 161                 return rs->sr_err;
 162         }
 163
 164         return LDAP_SUCCESS;
 165 }
 166
 167 /*
 168  * meta_back_single_bind
 169  *
 170  * attempts to perform a bind with creds
 171  */
 172 static int
 173 meta_back_single_bind(
 174         Operation               *op,
 175         SlapReply               *rs,
 176         metaconn_t              *mc,
 177         int                     candidate )
 178 {
 179         metainfo_t              *mi = ( metainfo_t * )op->o_bd->be_private;
 180         metatarget_t            *mt = &mi->mi_targets[ candidate ];
 181         struct berval           mdn = BER_BVNULL;
 182         dncookie                dc;
 183         metasingleconn_t        *msc = &mc->mc_conns[ candidate ];
 184         int                     msgid,
 185                                 rebinding = 0;
 186
 187         /*
 188          * Rewrite the bind dn if needed
 189          */
 190         dc.target = &mi->mi_targets[ candidate ];
 191         dc.conn = op->o_conn;
 192         dc.rs = rs;
 193         dc.ctx = "bindDN";
 194
 195         if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
 196                 send_ldap_result( op, rs );
 197                 return -1;
 198         }
 199
 200         /* FIXME: this fixes the bind problem right now; we need
 201          * to use the asynchronous version to get the "matched"
 202          * and more in case of failure ... */
 203         /* FIXME: should be check if at least some of the op->o_ctrls
 204          * can/should be passed? */
 205 rebind:;
 206         rs->sr_err = ldap_sasl_bind( msc->msc_ld, mdn.bv_val,
 207                         LDAP_SASL_SIMPLE, &op->orb_cred,
 208                         op->o_ctrls, NULL, &msgid );
 209         if ( rs->sr_err == LDAP_SUCCESS ) {
 210                 LDAPMessage     *res;
 211                 struct timeval  tv;
 212                 int             rc;
 213                 int             nretries = mt->mt_nretries;
 214
 215                 /*
 216                  * handle response!!!
 217                  */
 218 retry:;
 219                 tv.tv_sec = 0;
 220                 tv.tv_usec = META_BIND_TIMEOUT;
 221                 switch ( ldap_result( msc->msc_ld, msgid, 0, &tv, &res ) ) {
 222                 case 0:
 223                         Debug( LDAP_DEBUG_ANY, "%s meta_back_single_bind: ldap_result=%d nretries=%d\n",
 224                                 op->o_log_prefix, 0, nretries );
 225
 226                         if ( nretries != META_RETRY_NEVER ) {
 227                                 ldap_pvt_thread_yield();
 228                                 if ( nretries > 0 ) {
 229                                         nretries--;
 230                                 }
 231                                 goto retry;
 232                         }
 233                         rs->sr_err = LDAP_BUSY;
 234                         if ( rebinding ) {
 235                                 ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
 236                                 break;
 237                         }
 238
 239                         /* FIXME: some times the request times out
 240                          * while the other party is not willing to
 241                          * send a response any more.  Give it a second
 242                          * chance with a freshly bound connection */
 243                         rebinding = 1;
 244                         nretries = mt->mt_nretries;
 245                         /* fallthru */
 246
 247                 case -1:
 248                         ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER,
 249                                         &rs->sr_err );
 250
 251                         if ( rebinding ) {
 252                                 ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
 253                         }
 254
 255                         Debug( LDAP_DEBUG_ANY, "### %s meta_back_single_bind: err=%d nretries=%d\n",
 256                                 op->o_log_prefix, rs->sr_err, nretries );
 257
 258                         rc = slap_map_api2result( rs );
 259                         if ( rs->sr_err == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
 260                                 ldap_unbind_ext_s( msc->msc_ld, NULL, NULL );
 261                                 msc->msc_ld = NULL;
 262                                 msc->msc_bound = 0;
 263
 264                                 /* mc here must be the regular mc, reset and ready for init */
 265                                 rc = meta_back_init_one_conn( op, rs, mt, msc,
 266                                                 LDAP_BACK_DONTSEND );
 267                                 if ( rc ) {
 268                                         if ( nretries > 0 ) {
 269                                                 nretries--;
 270                                         }
 271                                         ldap_pvt_thread_yield();
 272                                         goto rebind;
 273                                 }
 274                         }
 275                         break;
 276
 277                 default:
 278                         rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
 279                                         NULL, NULL, NULL, NULL, 1 );
 280                         if ( rc != LDAP_SUCCESS ) {
 281                                 rs->sr_err = rc;
 282                         }
 283                         break;
 284                 }
 285         }
 286
 287         if ( rs->sr_err != LDAP_SUCCESS ) {
 288                 rs->sr_err = slap_map_api2result( rs );
 289                 goto return_results;
 290         }
 291
 292         ber_bvreplace( &msc->msc_bound_ndn, &op->o_req_dn );
 293         msc->msc_bound = META_BOUND;
 294         mc->mc_auth_target = candidate;
 295
 296         if ( LDAP_BACK_SAVECRED( mi ) ) {
 297                 ber_bvreplace( &msc->msc_cred, &op->orb_cred );
 298                 ldap_set_rebind_proc( msc->msc_ld, meta_back_rebind, msc );
 299         }
 300
 301         if ( mi->mi_cache.ttl != META_DNCACHE_DISABLED
 302                         && op->o_req_ndn.bv_len != 0 )
 303         {
 304                 ( void )meta_dncache_update_entry( &mi->mi_cache,
 305                                 &op->o_req_ndn, candidate );
 306         }
 307
 308 return_results:;
 309         if ( mdn.bv_val != op->o_req_dn.bv_val ) {
 310                 free( mdn.bv_val );
 311         }
 312
 313         return rs->sr_err;
 314 }
 315
 316 /*
 317  * meta_back_single_dobind
 318  */
 319 int
 320 meta_back_single_dobind(
 321         Operation               *op,
 322         SlapReply               *rs,
 323         metaconn_t              *mc,
 324         int                     candidate,
 325         ldap_back_send_t        sendok,
 326         int                     nretries )
 327 {
 328         metainfo_t              *mi = ( metainfo_t * )op->o_bd->be_private;
 329         metatarget_t            *mt = &mi->mi_targets[ candidate ];
 330         metasingleconn_t        *msc = &mc->mc_conns[ candidate ];
 331         int                     rc;
 332         struct berval           cred = BER_BVC( "" );
 333         int                     msgid,
 334                                 rebinding = 0,
 335                                 save_nretries = nretries;
 336
 337         /*
 338          * Otherwise an anonymous bind is performed
 339          * (note: if the target was already bound, the anonymous
 340          * bind clears the previous bind).
 341          */
 342         if ( !BER_BVISNULL( &msc->msc_bound_ndn ) ) {
 343                 ber_memfree( msc->msc_bound_ndn.bv_val );
 344                 BER_BVZERO( &msc->msc_bound_ndn );
 345         }
 346
 347         if ( !BER_BVISNULL( &msc->msc_cred ) ) {
 348                 /* destroy sensitive data */
 349                 memset( msc->msc_cred.bv_val, 0, msc->msc_cred.bv_len );
 350                 ber_memfree( msc->msc_cred.bv_val );
 351                 BER_BVZERO( &msc->msc_cred );
 352         }
 353
 354         /* FIXME: should we check if at least some of the op->o_ctrls
 355          * can/should be passed? */
 356 rebind:;
 357         rc = ldap_sasl_bind( msc->msc_ld, "", LDAP_SASL_SIMPLE, &cred,
 358                         NULL, NULL, &msgid );
 359         if ( rc == LDAP_SUCCESS ) {
 360                 LDAPMessage     *res;
 361                 struct timeval  tv;
 362
 363                 /*
 364                  * handle response!!!
 365                  */
 366 retry:;
 367                 tv.tv_sec = 0;
 368                 tv.tv_usec = META_BIND_TIMEOUT;
 369                 switch ( ldap_result( msc->msc_ld, msgid, 0, &tv, &res ) ) {
 370                 case 0:
 371                         Debug( LDAP_DEBUG_ANY, "%s meta_back_single_dobind: ldap_result=%d nretries=%d\n",
 372                                 op->o_log_prefix, 0, nretries );
 373
 374                         if ( nretries != META_RETRY_NEVER ) {
 375                                 ldap_pvt_thread_yield();
 376                                 if ( nretries > 0 ) {
 377                                         nretries--;
 378                                 }
 379                                 goto retry;
 380                         }
 381
 382                         rc = LDAP_BUSY;
 383                         if ( rebinding ) {
 384                                 ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
 385                                 break;
 386                         }
 387
 388                         /* FIXME: some times the request times out
 389                          * while the other party is not willing to
 390                          * send a response any more.  Give it a second
 391                          * chance with a freshly bound connection */
 392                         rebinding = 1;
 393                         nretries = save_nretries;
 394                         /* fallthru */
 395
 396                 case -1:
 397                         ldap_get_option( msc->msc_ld,
 398                                         LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
 399
 400                         if ( rebinding ) {
 401                                 ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
 402                         }
 403
 404                         Debug( LDAP_DEBUG_ANY, "### %s meta_back_single_dobind: err=%d nretries=%d\n",
 405                                         op->o_log_prefix, rs->sr_err, nretries );
 406
 407                         rc = slap_map_api2result( rs );
 408                         if ( rc == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
 409                                 ldap_unbind_ext_s( msc->msc_ld, NULL, NULL );
 410                                 msc->msc_ld = NULL;
 411                                 msc->msc_bound = 0;
 412
 413                                 /* mc here must be the regular mc, reset and ready for init */
 414                                 rc = meta_back_init_one_conn( op, rs, mt, msc, LDAP_BACK_DONTSEND );
 415
 416                                 if ( rc == LDAP_SUCCESS ) {
 417                                         ldap_pvt_thread_yield();
 418                                         if ( nretries > 0 ) {
 419                                                 nretries--;
 420                                         }
 421                                         goto rebind;
 422                                 }
 423                         }
 424                         break;
 425
 426                 default:
 427                         rc = ldap_parse_result( msc->msc_ld, res, &rs->sr_err,
 428                                         NULL, NULL, NULL, NULL, 1 );
 429                         if ( rc == LDAP_SUCCESS ) {
 430                                 rc = slap_map_api2result( rs );
 431                         }
 432                         break;
 433                 }
 434
 435         } else {
 436                 rc = slap_map_api2result( rs );
 437         }
 438
 439         rs->sr_err = rc;
 440         if ( rc != LDAP_SUCCESS && ( sendok & LDAP_BACK_SENDERR ) ) {
 441                 send_ldap_result( op, rs );
 442         }
 443
 444         return rc;
 445 }
 446
 447 /*
 448  * meta_back_dobind
 449  */
 450 int
 451 meta_back_dobind(
 452         Operation               *op,
 453         SlapReply               *rs,
 454         metaconn_t              *mc,
 455         ldap_back_send_t        sendok )
 456 {
 457         metainfo_t              *mi = ( metainfo_t * )op->o_bd->be_private;
 458
 459         int                     bound = 0, i;
 460
 461         SlapReply               *candidates = meta_back_candidates_get( op );
 462
 463         ldap_pvt_thread_mutex_lock( &mc->mc_mutex );
 464
 465         Debug( LDAP_DEBUG_TRACE,
 466                 "%s meta_back_dobind: conn=%ld\n",
 467                 op->o_log_prefix, mc->mc_conn->c_connid, 0 );
 468
 469         /*
 470          * all the targets are bound as pseudoroot
 471          */
 472         if ( mc->mc_auth_target == META_BOUND_ALL ) {
 473                 bound = 1;
 474                 goto done;
 475         }
 476
 477         for ( i = 0; i < mi->mi_ntargets; i++ ) {
 478                 metatarget_t            *mt = &mi->mi_targets[ i ];
 479                 metasingleconn_t        *msc = &mc->mc_conns[ i ];
 480                 int                     rc;
 481
 482                 /*
 483                  * Not a candidate
 484                  */
 485                 if ( candidates[ i ].sr_tag != META_CANDIDATE ) {
 486                         continue;
 487                 }
 488
 489                 assert( msc->msc_ld != NULL );
 490
 491                 /*
 492                  * If the target is already bound it is skipped
 493                  */
 494                 if ( msc->msc_bound == META_BOUND && mc->mc_auth_target == i ) {
 495                         ++bound;
 496
 497                         Debug( LDAP_DEBUG_TRACE, "%s meta_back_dobind[%d]: "
 498                                         "authcTarget\n",
 499                                         op->o_log_prefix, i, 0 );
 500                         continue;
 501                 }
 502
 503                 rc = meta_back_single_dobind( op, rs, mc, i,
 504                                 LDAP_BACK_DONTSEND, mt->mt_nretries );
 505                 if ( rc != LDAP_SUCCESS ) {
 506                         rs->sr_err = slap_map_api2result( rs );
 507
 508                         Debug( LDAP_DEBUG_ANY, "%s meta_back_dobind[%d]: "
 509                                         "(anonymous) err=%d\n",
 510                                         op->o_log_prefix, i, rc );
 511
 512                         /*
 513                          * null cred bind should always succeed
 514                          * as anonymous, so a failure means
 515                          * the target is no longer candidate possibly
 516                          * due to technical reasons (remote host down?)
 517                          * so better clear the handle
 518                          */
 519                         candidates[ i ].sr_tag = META_NOT_CANDIDATE;
 520                         continue;
 521                 } /* else */
 522
 523                 Debug( LDAP_DEBUG_TRACE, "%s meta_back_dobind[%d]: "
 524                                 "(anonymous)\n",
 525                                 op->o_log_prefix, i, 0 );
 526
 527                 msc->msc_bound = META_ANONYMOUS;
 528                 ++bound;
 529         }
 530
 531 done:;
 532         ldap_pvt_thread_mutex_unlock( &mc->mc_mutex );
 533
 534         Debug( LDAP_DEBUG_TRACE,
 535                 "%s meta_back_dobind: conn=%ld bound=%d\n",
 536                 op->o_log_prefix, mc->mc_conn->c_connid, bound );
 537
 538         if ( bound == 0 && ( sendok & LDAP_BACK_SENDERR ) ) {
 539                 if ( rs->sr_err == LDAP_SUCCESS ) {
 540                         rs->sr_err = LDAP_BUSY;
 541                 }
 542                 send_ldap_result( op, rs );
 543         }
 544
 545         return( bound > 0 );
 546 }
 547
 548 /*
 549  * meta_back_rebind
 550  *
 551  * This is a callback used for chasing referrals using the same
 552  * credentials as the original user on this session.
 553  */
 554 static int
 555 meta_back_rebind(
 556         LDAP                    *ld,
 557         LDAP_CONST char         *url,
 558         ber_tag_t               request,
 559         ber_int_t               msgid,
 560         void                    *params )
 561 {
 562         metasingleconn_t        *msc = ( metasingleconn_t * )params;
 563
 564         return ldap_sasl_bind_s( ld, msc->msc_bound_ndn.bv_val,
 565                         LDAP_SASL_SIMPLE, &msc->msc_cred,
 566                         NULL, NULL, NULL );
 567 }
 568
 569 /*
 570  * FIXME: error return must be handled in a cleaner way ...
 571  */
 572 int
 573 meta_back_op_result(
 574         metaconn_t      *mc,
 575         Operation       *op,
 576         SlapReply       *rs,
 577         int             candidate )
 578 {
 579         metainfo_t              *mi = ( metainfo_t * )op->o_bd->be_private;
 580
 581         int                     i,
 582                                 rerr = LDAP_SUCCESS;
 583         char                    *rmsg = NULL;
 584         char                    *rmatch = NULL;
 585         int                     free_rmsg = 0,
 586                                 free_rmatch = 0;
 587
 588         if ( candidate != META_TARGET_NONE ) {
 589                 metasingleconn_t        *msc = &mc->mc_conns[ candidate ];
 590
 591                 rs->sr_err = LDAP_SUCCESS;
 592
 593                 ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
 594                 if ( rs->sr_err != LDAP_SUCCESS ) {
 595                         /*
 596                          * better check the type of error. In some cases
 597                          * (search ?) it might be better to return a
 598                          * success if at least one of the targets gave
 599                          * positive result ...
 600                          */
 601                         ldap_get_option( msc->msc_ld,
 602                                         LDAP_OPT_ERROR_STRING, &rmsg );
 603                         ldap_get_option( msc->msc_ld,
 604                                         LDAP_OPT_MATCHED_DN, &rmatch );
 605                         rerr = rs->sr_err = slap_map_api2result( rs );
 606
 607                         if ( rmsg ) {
 608                                 free_rmsg = 1;
 609                         }
 610                         if ( rmatch ) {
 611                                 free_rmatch = 1;
 612                         }
 613
 614                         Debug(LDAP_DEBUG_ANY,
 615                                         "==> meta_back_op_result: target"
 616                                         " <%d> sending msg \"%s\""
 617                                         " (matched \"%s\")\n",
 618                                         candidate, ( rmsg ? rmsg : "" ),
 619                                         ( rmatch ? rmatch : "" ) );
 620                 }
 621
 622         } else {
 623                 for ( i = 0; i < mi->mi_ntargets; i++ ) {
 624                         metasingleconn_t        *msc = &mc->mc_conns[ i ];
 625                         char                    *msg = NULL;
 626                         char                    *match = NULL;
 627
 628                         rs->sr_err = LDAP_SUCCESS;
 629
 630                         ldap_get_option( msc->msc_ld, LDAP_OPT_ERROR_NUMBER, &rs->sr_err );
 631                         if ( rs->sr_err != LDAP_SUCCESS ) {
 632                                 /*
 633                                  * better check the type of error. In some cases
 634                                  * (search ?) it might be better to return a
 635                                  * success if at least one of the targets gave
 636                                  * positive result ...
 637                                  */
 638                                 ldap_get_option( msc->msc_ld,
 639                                                 LDAP_OPT_ERROR_STRING, &msg );
 640                                 ldap_get_option( msc->msc_ld,
 641                                                 LDAP_OPT_MATCHED_DN, &match );
 642                                 rs->sr_err = slap_map_api2result( rs );
 643
 644                                 Debug(LDAP_DEBUG_ANY,
 645                                                 "==> meta_back_op_result: target"
 646                                                 " <%d> sending msg \"%s\""
 647                                                 " (matched \"%s\")\n",
 648                                                 i, ( msg ? msg : "" ),
 649                                                 ( match ? match : "" ) );
 650
 651                                 /*
 652                                  * FIXME: need to rewrite "match" (need rwinfo)
 653                                  */
 654                                 switch ( rs->sr_err ) {
 655                                 default:
 656                                         rerr = rs->sr_err;
 657                                         if ( rmsg ) {
 658                                                 ber_memfree( rmsg );
 659                                         }
 660                                         rmsg = msg;
 661                                         free_rmsg = 1;
 662                                         msg = NULL;
 663                                         if ( rmatch ) {
 664                                                 ber_memfree( rmatch );
 665                                         }
 666                                         rmatch = match;
 667                                         free_rmatch = 1;
 668                                         match = NULL;
 669                                         break;
 670                                 }
 671
 672                                 /* better test the pointers before freeing? */
 673                                 if ( match ) {
 674                                         free( match );
 675                                 }
 676                                 if ( msg ) {
 677                                         free( msg );
 678                                 }
 679                         }
 680                 }
 681         }
 682
 683         rs->sr_err = rerr;
 684         rs->sr_text = rmsg;
 685         rs->sr_matched = rmatch;
 686         send_ldap_result( op, rs );
 687         if ( free_rmsg ) {
 688                 ber_memfree( rmsg );
 689         }
 690         if ( free_rmatch ) {
 691                 ber_memfree( rmatch );
 692         }
 693         rs->sr_text = NULL;
 694         rs->sr_matched = NULL;
 695
 696         return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
 697 }
 698