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

   1 /* result.c - routines to send ldap results, errors, and referrals */
   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/errno.h>
  33 #include <ac/string.h>
  34 #include <ac/ctype.h>
  35 #include <ac/time.h>
  36 #include <ac/unistd.h>
  37
  38 #include "slap.h"
  39
  40 #ifdef LDAP_SLAPI
  41 #include "slapi/slapi.h"
  42 #endif
  43
  44 int slap_null_cb( Operation *op, SlapReply *rs )
  45 {
  46         return 0;
  47 }
  48
  49 int slap_freeself_cb( Operation *op, SlapReply *rs )
  50 {
  51         assert( op->o_callback );
  52
  53         op->o_tmpfree( op->o_callback, op->o_tmpmemctx );
  54         op->o_callback = NULL;
  55
  56         return SLAP_CB_CONTINUE;
  57 }
  58
  59 int slap_replog_cb( Operation *op, SlapReply *rs )
  60 {
  61         if ( rs->sr_err == LDAP_SUCCESS ) {
  62                 replog( op );
  63         }
  64         return SLAP_CB_CONTINUE;
  65 }
  66
  67 static char *v2ref( BerVarray ref, const char *text )
  68 {
  69         size_t len = 0, i = 0;
  70         char *v2;
  71
  72         if(ref == NULL) {
  73                 if (text) {
  74                         return ch_strdup(text);
  75                 } else {
  76                         return NULL;
  77                 }
  78         }
  79
  80         if ( text != NULL ) {
  81                 len = strlen( text );
  82                 if (text[len-1] != '\n') {
  83                     i = 1;
  84                 }
  85         }
  86
  87         v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
  88         if( v2 == NULL ) {
  89 #ifdef NEW_LOGGING
  90                 LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  91 #else
  92                 Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  93 #endif
  94                 return NULL;
  95         }
  96
  97         if( text != NULL ) {
  98                 strcpy(v2, text);
  99                 if( i ) {
 100                         v2[len++] = '\n';
 101                 }
 102         }
 103         strcpy( v2+len, "Referral:" );
 104         len += sizeof("Referral:");
 105
 106         for( i=0; ref[i].bv_val != NULL; i++ ) {
 107                 v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
 108                 if( v2 == NULL ) {
 109 #ifdef NEW_LOGGING
 110                         LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
 111 #else
 112                         Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
 113 #endif
 114                         return NULL;
 115                 }
 116                 v2[len-1] = '\n';
 117                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
 118                 len += ref[i].bv_len;
 119                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
 120                         ++len;
 121                 }
 122         }
 123
 124         v2[len-1] = '\0';
 125         return v2;
 126 }
 127
 128 static ber_tag_t req2res( ber_tag_t tag )
 129 {
 130         switch( tag ) {
 131         case LDAP_REQ_ADD:
 132         case LDAP_REQ_BIND:
 133         case LDAP_REQ_COMPARE:
 134         case LDAP_REQ_EXTENDED:
 135         case LDAP_REQ_MODIFY:
 136         case LDAP_REQ_MODRDN:
 137                 tag++;
 138                 break;
 139
 140         case LDAP_REQ_DELETE:
 141                 tag = LDAP_RES_DELETE;
 142                 break;
 143
 144         case LDAP_REQ_ABANDON:
 145         case LDAP_REQ_UNBIND:
 146                 tag = LBER_SEQUENCE;
 147                 break;
 148
 149         case LDAP_REQ_SEARCH:
 150                 tag = LDAP_RES_SEARCH_RESULT;
 151                 break;
 152
 153         default:
 154                 tag = LBER_SEQUENCE;
 155         }
 156
 157         return tag;
 158 }
 159
 160 static long send_ldap_ber(
 161         Connection *conn,
 162         BerElement *ber )
 163 {
 164         ber_len_t bytes;
 165
 166         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 167
 168         /* write only one pdu at a time - wait til it's our turn */
 169         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 170
 171         /* lock the connection */
 172         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 173
 174         /* write the pdu */
 175         while( 1 ) {
 176                 int err;
 177                 ber_socket_t    sd;
 178
 179                 if ( connection_state_closing( conn ) ) {
 180                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 181                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 182
 183                         return 0;
 184                 }
 185
 186                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 187                         break;
 188                 }
 189
 190                 err = errno;
 191
 192                 /*
 193                  * we got an error.  if it's ewouldblock, we need to
 194                  * wait on the socket being writable.  otherwise, figure
 195                  * it's a hard error and return.
 196                  */
 197
 198 #ifdef NEW_LOGGING
 199                 LDAP_LOG( OPERATION, ERR,
 200                         "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
 201                         conn ? conn->c_connid : 0, err, sock_errstr(err) );
 202 #else
 203                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 204                     err, sock_errstr(err), 0 );
 205 #endif
 206
 207                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 208                         connection_closing( conn );
 209
 210                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 211                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 212
 213                         return( -1 );
 214                 }
 215
 216                 /* wait for socket to be write-ready */
 217                 conn->c_writewaiter = 1;
 218                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 219                 slapd_set_write( sd, 1 );
 220
 221                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 222                 conn->c_writewaiter = 0;
 223         }
 224
 225         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 226         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 227
 228         return bytes;
 229 }
 230
 231 static int
 232 send_ldap_control( BerElement *ber, LDAPControl *c )
 233 {
 234         int rc;
 235
 236         assert( c != NULL );
 237
 238         rc = ber_printf( ber, "{s" /*}*/, c->ldctl_oid );
 239
 240         if( c->ldctl_iscritical ) {
 241                 rc = ber_printf( ber, "b",
 242                         (ber_int_t) c->ldctl_iscritical ) ;
 243                 if( rc == -1 ) return rc;
 244         }
 245
 246         if( c->ldctl_value.bv_val != NULL ) {
 247                 rc = ber_printf( ber, "O", &c->ldctl_value );
 248                 if( rc == -1 ) return rc;
 249         }
 250
 251         rc = ber_printf( ber, /*{*/"N}" );
 252         if( rc == -1 ) return rc;
 253
 254         return 0;
 255 }
 256
 257 static int
 258 send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 259 {
 260         int rc;
 261 #ifdef LDAP_SLAPI
 262         LDAPControl **sctrls = NULL;
 263
 264         /*
 265          * Retrieve any additional controls that may be set by the
 266          * plugin.
 267          */
 268
 269         if ( o->o_pb && slapi_pblock_get( o->o_pb, SLAPI_RESCONTROLS, &sctrls ) != 0 ) {
 270                 sctrls = NULL;
 271         }
 272
 273         if ( c == NULL && sctrls == NULL ) return 0;
 274 #else
 275         if( c == NULL ) return 0;
 276 #endif /* LDAP_SLAPI */
 277
 278         rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
 279         if( rc == -1 ) return rc;
 280
 281 #ifdef LDAP_SLAPI
 282         if ( c != NULL )
 283 #endif /* LDAP_SLAPI */
 284         for( ; *c != NULL; c++) {
 285                 rc = send_ldap_control( ber, *c );
 286                 if( rc == -1 ) return rc;
 287         }
 288
 289 #ifdef LDAP_SLAPI
 290         if ( sctrls != NULL ) {
 291                 for ( c = sctrls; *c != NULL; c++ ) {
 292                         rc = send_ldap_control( ber, *c );
 293                         if( rc == -1 ) return rc;
 294                 }
 295         }
 296 #endif /* LDAP_SLAPI */
 297
 298         rc = ber_printf( ber, /*{*/"N}" );
 299
 300         return rc;
 301 }
 302
 303 static int
 304 send_ldap_response(
 305         Operation *op,
 306         SlapReply *rs )
 307 {
 308         BerElementBuffer berbuf;
 309         BerElement      *ber = (BerElement *) &berbuf;
 310         int             rc = LDAP_SUCCESS;
 311         long    bytes;
 312
 313         if ( op->o_callback ) {
 314                 int             first = 1;
 315                 slap_callback   *sc = op->o_callback,
 316                                 *sc_next = op->o_callback;
 317
 318                 rc = SLAP_CB_CONTINUE;
 319                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
 320                         sc_next = op->o_callback->sc_next;
 321                         if ( op->o_callback->sc_response ) {
 322                                 rc = op->o_callback->sc_response( op, rs );
 323                                 if ( first && op->o_callback == NULL ) {
 324                                         sc = NULL;
 325                                 }
 326                                 if ( rc != SLAP_CB_CONTINUE ) break;
 327                         }
 328                         first = 0;
 329                 }
 330
 331                 op->o_callback = sc;
 332                 if ( rc != SLAP_CB_CONTINUE ) goto clean2;
 333         }
 334
 335 #ifdef LDAP_CONNECTIONLESS
 336         if (op->o_conn && op->o_conn->c_is_udp)
 337                 ber = op->o_res_ber;
 338         else
 339 #endif
 340         {
 341                 ber_init_w_nullc( ber, LBER_USE_DER );
 342                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 343         }
 344
 345 #ifdef NEW_LOGGING
 346         LDAP_LOG( OPERATION, ENTRY,
 347                 "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
 348                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 349 #else
 350         Debug( LDAP_DEBUG_TRACE,
 351                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 352                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 353 #endif
 354
 355         if( rs->sr_ref ) {
 356 #ifdef NEW_LOGGING
 357                 LDAP_LOG( OPERATION, ARGS,
 358                         "send_ldap_response: conn %lu  ref=\"%s\"\n",
 359                         op->o_connid,
 360                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
 361 #else
 362                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 363                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 364                         NULL, NULL );
 365 #endif
 366         }
 367
 368 #ifdef LDAP_CONNECTIONLESS
 369         if (op->o_conn && op->o_conn->c_is_udp &&
 370                 op->o_protocol == LDAP_VERSION2 )
 371         {
 372                 rc = ber_printf( ber, "t{ess" /*"}"*/,
 373                         rs->sr_tag, rs->sr_err,
 374                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 375                 rs->sr_text == NULL ? "" : rs->sr_text );
 376         } else
 377 #endif
 378         if ( rs->sr_type == REP_INTERMEDIATE ) {
 379             rc = ber_printf( ber, "{it{" /*"}}"*/,
 380                         rs->sr_msgid, rs->sr_tag );
 381
 382         } else {
 383             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 384                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 385                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 386                 rs->sr_text == NULL ? "" : rs->sr_text );
 387         }
 388
 389         if( rc != -1 ) {
 390                 if ( rs->sr_ref != NULL ) {
 391                         assert( rs->sr_err == LDAP_REFERRAL );
 392                         rc = ber_printf( ber, "t{W}",
 393                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 394                 } else {
 395                         assert( rs->sr_err != LDAP_REFERRAL );
 396                 }
 397         }
 398
 399         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 400                 rc = ber_printf( ber, "tO",
 401                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 402         }
 403
 404         if( rc != -1 &&
 405                 ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
 406         {
 407                 if ( rs->sr_rspoid != NULL ) {
 408                         rc = ber_printf( ber, "ts",
 409                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 410                 }
 411                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 412                         rc = ber_printf( ber, "tO",
 413                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 414                 }
 415         }
 416
 417         if( rc != -1 ) {
 418                 rc = ber_printf( ber, /*"{"*/ "N}" );
 419         }
 420
 421         if( rc != -1 ) {
 422                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
 423         }
 424
 425         if( rc != -1 ) {
 426                 rc = ber_printf( ber, /*"{"*/ "N}" );
 427         }
 428
 429 #ifdef LDAP_CONNECTIONLESS
 430         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2
 431                 && rc != -1 )
 432         {
 433                 rc = ber_printf( ber, /*"{"*/ "N}" );
 434         }
 435 #endif
 436
 437         if ( rc == -1 ) {
 438 #ifdef NEW_LOGGING
 439                 LDAP_LOG( OPERATION, ERR,
 440                         "send_ldap_response: conn %lu  ber_printf failed\n",
 441                         op->o_connid, 0, 0 );
 442 #else
 443                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 444 #endif
 445
 446 #ifdef LDAP_CONNECTIONLESS
 447                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 448 #endif
 449                 {
 450                         ber_free_buf( ber );
 451                 }
 452                 goto cleanup;
 453         }
 454
 455         /* send BER */
 456         bytes = send_ldap_ber( op->o_conn, ber );
 457 #ifdef LDAP_CONNECTIONLESS
 458         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 459 #endif
 460         {
 461                 ber_free_buf( ber );
 462         }
 463
 464         if ( bytes < 0 ) {
 465 #ifdef NEW_LOGGING
 466                 LDAP_LOG( OPERATION, ERR,
 467                         "send_ldap_response: conn %lu ber write failed\n",
 468                         op->o_connid ? op->o_connid : 0, 0, 0 );
 469 #else
 470                 Debug( LDAP_DEBUG_ANY,
 471                         "send_ldap_response: ber write failed\n",
 472                         0, 0, 0 );
 473 #endif
 474
 475                 goto cleanup;
 476         }
 477
 478 #ifdef LDAP_SLAPI
 479         if ( op->o_pb ) {
 480                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 481                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
 482                         (void *)rs->sr_matched );
 483                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 484         }
 485 #endif /* LDAP_SLAPI */
 486
 487         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 488         num_bytes_sent += bytes;
 489         num_pdu_sent++;
 490         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 491
 492 cleanup:;
 493         /* Tell caller that we did this for real, as opposed to being
 494          * overridden by a callback
 495          */
 496         rc = SLAP_CB_CONTINUE;
 497
 498 clean2:;
 499         if ( op->o_callback ) {
 500                 int             first = 1;
 501                 slap_callback   *sc = op->o_callback,
 502                                 *sc_next = op->o_callback;
 503
 504                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
 505                         sc_next = op->o_callback->sc_next;
 506                         if ( op->o_callback->sc_cleanup ) {
 507                                 (void)op->o_callback->sc_cleanup( op, rs );
 508                                 if ( first && op->o_callback == NULL ) {
 509                                         sc = NULL;
 510                                 }
 511                         }
 512                         first = 0;
 513                 }
 514
 515                 op->o_callback = sc;
 516         }
 517
 518
 519         if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
 520                 free( (char *)rs->sr_matched );
 521                 rs->sr_matched = NULL;
 522         }
 523
 524         if ( rs->sr_ref && rs->sr_flags & REP_REF_MUSTBEFREED ) {
 525                 ber_bvarray_free( rs->sr_ref );
 526                 rs->sr_ref = NULL;
 527         }
 528
 529         return rc;
 530 }
 531
 532
 533 void
 534 send_ldap_disconnect( Operation *op, SlapReply *rs )
 535 {
 536 #define LDAP_UNSOLICITED_ERROR(e) \
 537         (  (e) == LDAP_PROTOCOL_ERROR \
 538         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 539         || (e) == LDAP_UNAVAILABLE )
 540
 541         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 542
 543         rs->sr_type = REP_EXTENDED;
 544
 545 #ifdef NEW_LOGGING
 546         LDAP_LOG( OPERATION, ENTRY,
 547                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 548                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 549 #else
 550         Debug( LDAP_DEBUG_TRACE,
 551                 "send_ldap_disconnect %d:%s\n",
 552                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 553 #endif
 554
 555         if ( op->o_protocol < LDAP_VERSION3 ) {
 556                 rs->sr_rspoid = NULL;
 557                 rs->sr_tag = req2res( op->o_tag );
 558                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 559
 560         } else {
 561                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 562                 rs->sr_tag = LDAP_RES_EXTENDED;
 563                 rs->sr_msgid = 0;
 564         }
 565
 566         if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
 567                 Statslog( LDAP_DEBUG_STATS,
 568                         "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 569                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 570                         rs->sr_text ? rs->sr_text : "" );
 571         }
 572 }
 573
 574 void
 575 slap_send_ldap_result( Operation *op, SlapReply *rs )
 576 {
 577         char *tmp = NULL;
 578         const char *otext = rs->sr_text;
 579         BerVarray oref = rs->sr_ref;
 580
 581         rs->sr_type = REP_RESULT;
 582
 583         assert( !LDAP_API_ERROR( rs->sr_err ));
 584
 585 #ifdef NEW_LOGGING
 586         LDAP_LOG( OPERATION, ENTRY,
 587                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 588                 op->o_connid, op->o_opid, op->o_protocol );
 589 #else
 590         Debug( LDAP_DEBUG_TRACE,
 591                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 592                 op->o_connid, op->o_opid, op->o_protocol );
 593 #endif
 594
 595 #ifdef NEW_LOGGING
 596         LDAP_LOG( OPERATION, ARGS,
 597                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 598                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 599                 rs->sr_text ? rs->sr_text : "" );
 600 #else
 601         Debug( LDAP_DEBUG_ARGS,
 602                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 603                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 604                 rs->sr_text ? rs->sr_text : "" );
 605 #endif
 606
 607
 608         if( rs->sr_ref ) {
 609 #ifdef NEW_LOGGING
 610                 LDAP_LOG( OPERATION, ARGS,
 611                         "send_ldap_result: referral=\"%s\"\n",
 612                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 613 #else
 614                 Debug( LDAP_DEBUG_ARGS,
 615                         "send_ldap_result: referral=\"%s\"\n",
 616                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 617                         NULL, NULL );
 618 #endif
 619         }
 620
 621         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 622
 623         if ( rs->sr_err == LDAP_REFERRAL ) {
 624 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 625                 if( op->o_domain_scope ) {
 626                         rs->sr_ref = NULL;
 627                 }
 628 #endif
 629                 if( rs->sr_ref == NULL ) {
 630                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 631                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 632                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 633                 }
 634         }
 635
 636 #ifdef LDAP_SLAPI
 637         /*
 638          * Call pre-result plugins. To avoid infinite recursion plugins
 639          * should just set SLAPI_RESULT_CODE rather than sending a
 640          * result if they wish to change the result.
 641          */
 642         if ( op->o_pb != NULL ) {
 643                 slapi_int_pblock_set_operation( op->o_pb, op );
 644                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE,
 645                         (void *)rs->sr_err );
 646                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT,
 647                         (void *)rs->sr_text );
 648                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
 649                         (void *)rs->sr_matched );
 650
 651                 (void) slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN,
 652                         op->o_pb );
 653         }
 654 #endif /* LDAP_SLAPI */
 655
 656         if ( op->o_protocol < LDAP_VERSION3 ) {
 657                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 658                 rs->sr_text = tmp;
 659                 rs->sr_ref = NULL;
 660         }
 661
 662         rs->sr_tag = req2res( op->o_tag );
 663         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 664
 665         if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
 666                 if ( op->o_tag == LDAP_REQ_SEARCH ) {
 667                         char nbuf[64];
 668                         snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 669                                 rs->sr_err, rs->sr_nentries );
 670
 671                         Statslog( LDAP_DEBUG_STATS,
 672                         "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 673                                 op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 674                                 rs->sr_text ? rs->sr_text : "" );
 675                 } else {
 676                         Statslog( LDAP_DEBUG_STATS,
 677                                 "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 678                                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 679                                 rs->sr_text ? rs->sr_text : "" );
 680                 }
 681         }
 682
 683         if( tmp != NULL ) ch_free(tmp);
 684         rs->sr_text = otext;
 685         rs->sr_ref = oref;
 686 }
 687
 688 void
 689 send_ldap_sasl( Operation *op, SlapReply *rs )
 690 {
 691         rs->sr_type = REP_SASL;
 692 #ifdef NEW_LOGGING
 693         LDAP_LOG( OPERATION, ENTRY,
 694                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 695                 op->o_connid, rs->sr_err,
 696                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 697 #else
 698         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 699                 rs->sr_err,
 700                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 701 #endif
 702
 703         rs->sr_tag = req2res( op->o_tag );
 704         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 705
 706         send_ldap_response( op, rs );
 707 }
 708
 709 void
 710 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 711 {
 712         rs->sr_type = REP_EXTENDED;
 713
 714 #ifdef NEW_LOGGING
 715         LDAP_LOG( OPERATION, ENTRY,
 716                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 717                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 718                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 719 #else
 720         Debug( LDAP_DEBUG_TRACE,
 721                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 722                 rs->sr_err,
 723                 rs->sr_rspoid ? rs->sr_rspoid : "",
 724                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 725 #endif
 726
 727         rs->sr_tag = req2res( op->o_tag );
 728         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 729
 730         send_ldap_response( op, rs );
 731 }
 732
 733 void
 734 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 735 {
 736         rs->sr_type = REP_INTERMEDIATE;
 737 #ifdef NEW_LOGGING
 738         LDAP_LOG( OPERATION, ENTRY,
 739                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 740                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 741                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 742 #else
 743         Debug( LDAP_DEBUG_TRACE,
 744                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 745                 rs->sr_err,
 746                 rs->sr_rspoid ? rs->sr_rspoid : "",
 747                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 748 #endif
 749         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 750         rs->sr_msgid = op->o_msgid;
 751         send_ldap_response( op, rs );
 752 }
 753
 754 int
 755 slap_send_search_entry( Operation *op, SlapReply *rs )
 756 {
 757         BerElementBuffer berbuf;
 758         BerElement      *ber = (BerElement *) &berbuf;
 759         Attribute       *a;
 760         int             i, j, rc=-1, bytes;
 761         char            *edn;
 762         int             userattrs;
 763         AccessControlState acl_state = ACL_STATE_INIT;
 764 #ifdef LDAP_SLAPI
 765         /* Support for computed attribute plugins */
 766         computed_attr_context    ctx;
 767         AttributeName   *anp;
 768 #endif
 769         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 770
 771         /* a_flags: array of flags telling if the i-th element will be
 772          *          returned or filtered out
 773          * e_flags: array of a_flags
 774          */
 775         char **e_flags = NULL;
 776
 777         rs->sr_type = REP_SEARCH;
 778
 779         /* eventually will loop through generated operational attributes */
 780         /* only subschemaSubentry and numSubordinates are implemented */
 781         /* NOTE: moved before overlays callback circling because
 782          * they may modify entry and other stuff in rs */
 783         /* check for special all operational attributes ("+") type */
 784         /* FIXME: maybe we could se this flag at the operation level;
 785          * however, in principle the caller of send_search_entry() may
 786          * change the attribute list at each call */
 787         rs->sr_opattrs = ( rs->sr_attrs == NULL ) ? SLAP_OPATTRS_NO
 788                 : ( an_find( rs->sr_attrs, &AllOper ) ? SLAP_OPATTRS : SLAP_OPATTRS_NO );
 789
 790         rc = backend_operational( op, rs );
 791         if ( rc ) {
 792                 goto error_return;
 793         }
 794
 795         if ( op->o_callback ) {
 796                 int             first = 1;
 797                 slap_callback   *sc = op->o_callback,
 798                                 *sc_next = op->o_callback;
 799
 800                 rc = SLAP_CB_CONTINUE;
 801                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
 802                         sc_next = op->o_callback->sc_next;
 803                         if ( op->o_callback->sc_response ) {
 804                                 rc = op->o_callback->sc_response( op, rs );
 805                                 if ( first && op->o_callback == NULL ) {
 806                                         sc = NULL;
 807                                 }
 808                                 if ( rc != SLAP_CB_CONTINUE ) break;
 809                         }
 810                         first = 0;
 811                 }
 812
 813                 op->o_callback = sc;
 814                 if ( rc != SLAP_CB_CONTINUE ) goto error_return;
 815         }
 816
 817 #ifdef NEW_LOGGING
 818         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu dn=\"%s\"%s\n",
 819                 op->o_connid, rs->sr_entry->e_name.bv_val,
 820                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 821 #else
 822         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
 823                 op->o_connid, rs->sr_entry->e_name.bv_val,
 824                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 825 #endif
 826
 827         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 828 #ifdef NEW_LOGGING
 829                 LDAP_LOG( ACL, INFO,
 830                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 831                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 832 #else
 833                 Debug( LDAP_DEBUG_ACL,
 834                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 835                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 836 #endif
 837
 838                 rc = 1;
 839                 goto error_return;
 840         }
 841
 842         edn = rs->sr_entry->e_nname.bv_val;
 843
 844         if ( op->o_res_ber ) {
 845                 /* read back control or LDAP_CONNECTIONLESS */
 846             ber = op->o_res_ber;
 847         } else {
 848                 ber_len_t       siz, len;
 849                 struct berval   bv;
 850
 851                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 852                 bv.bv_len = siz + len;
 853                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 854
 855                 ber_init2( ber, &bv, LBER_USE_DER );
 856                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 857         }
 858
 859 #ifdef LDAP_CONNECTIONLESS
 860         if ( op->o_conn && op->o_conn->c_is_udp ) {
 861                 /* CONNECTIONLESS */
 862                 if ( op->o_protocol == LDAP_VERSION2 ) {
 863                 rc = ber_printf(ber, "t{O{" /*}}*/,
 864                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 865                 } else {
 866                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 867                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 868                 }
 869         } else
 870 #endif
 871         if ( op->o_res_ber ) {
 872                 /* read back control */
 873             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 874         } else {
 875             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 876                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 877         }
 878
 879         if ( rc == -1 ) {
 880 #ifdef NEW_LOGGING
 881                 LDAP_LOG( OPERATION, ERR,
 882                         "send_search_entry: conn %lu  ber_printf failed\n",
 883                         op->o_connid, 0, 0 );
 884 #else
 885                 Debug( LDAP_DEBUG_ANY,
 886                         "send_search_entry: conn %lu  ber_printf failed\n",
 887                         op->o_connid, 0, 0 );
 888 #endif
 889
 890                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 891                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 892                 goto error_return;
 893         }
 894
 895         /* check for special all user attributes ("*") type */
 896         userattrs = ( rs->sr_attrs == NULL ) ? 1
 897                 : an_find( rs->sr_attrs, &AllUser );
 898
 899         /* create an array of arrays of flags. Each flag corresponds
 900          * to particular value of attribute and equals 1 if value matches
 901          * to ValuesReturnFilter or 0 if not
 902          */
 903         if ( op->o_vrFilter != NULL ) {
 904                 int     k = 0;
 905                 size_t  size;
 906
 907                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 908                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 909                 }
 910
 911                 size = i * sizeof(char *) + k;
 912                 if ( size > 0 ) {
 913                         char    *a_flags;
 914                         e_flags = slap_sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 915                         if( e_flags == NULL ) {
 916 #ifdef NEW_LOGGING
 917                                 LDAP_LOG( OPERATION, ERR,
 918                                         "send_search_entry: conn %lu slap_sl_calloc failed\n",
 919                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 920 #else
 921                         Debug( LDAP_DEBUG_ANY,
 922                                         "send_search_entry: conn %lu slap_sl_calloc failed\n",
 923                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 924 #endif
 925                                 ber_free( ber, 1 );
 926
 927                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 928                                 goto error_return;
 929                         }
 930                         a_flags = (char *)(e_flags + i);
 931                         memset( a_flags, 0, k );
 932                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 933                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 934                                 e_flags[i] = a_flags;
 935                                 a_flags += j;
 936                         }
 937
 938                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 939                         if ( rc == -1 ) {
 940 #ifdef NEW_LOGGING
 941                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 942                                         "conn %lu matched values filtering failed\n",
 943                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 944 #else
 945                                 Debug( LDAP_DEBUG_ANY, "send_search_entry: "
 946                                         "conn %lu matched values filtering failed\n",
 947                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 948 #endif
 949                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 950                                 send_ldap_error( op, rs, LDAP_OTHER,
 951                                         "matched values filtering error" );
 952                                 goto error_return;
 953                         }
 954                 }
 955         }
 956
 957         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 958                 AttributeDescription *desc = a->a_desc;
 959                 int finish = 0;
 960
 961                 if ( rs->sr_attrs == NULL ) {
 962                         /* all attrs request, skip operational attributes */
 963                         if( is_at_operational( desc->ad_type ) ) {
 964                                 continue;
 965                         }
 966
 967                 } else {
 968                         /* specific attrs requested */
 969                         if ( is_at_operational( desc->ad_type ) ) {
 970                                 if ( rs->sr_opattrs != SLAP_OPATTRS &&
 971                                                 !ad_inlist( desc, rs->sr_attrs ) )
 972                                 {
 973                                         continue;
 974                                 }
 975
 976                         } else {
 977                                 if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) )
 978                                 {
 979                                         continue;
 980                                 }
 981                         }
 982                 }
 983
 984                 if ( op->ors_attrsonly ) {
 985                         if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 986                                 ACL_READ, &acl_state ) )
 987                         {
 988 #ifdef NEW_LOGGING
 989                                 LDAP_LOG( ACL, INFO,
 990                                         "send_search_entry: conn %lu access to attribute %s not "
 991                                         "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 992 #else
 993                                 Debug( LDAP_DEBUG_ACL, "send_search_entry: "
 994                                         "conn %lu access to attribute %s not allowed\n",
 995                                         op->o_connid, desc->ad_cname.bv_val, 0 );
 996 #endif
 997                                 continue;
 998                         }
 999
1000                         if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
1001 #ifdef NEW_LOGGING
1002                                 LDAP_LOG( OPERATION, ERR,
1003                                         "send_search_entry: conn %lu  ber_printf failed\n",
1004                                         op->o_connid, 0, 0 );
1005 #else
1006                                 Debug( LDAP_DEBUG_ANY,
1007                                         "send_search_entry: conn %lu  ber_printf failed\n",
1008                                         op->o_connid, 0, 0 );
1009 #endif
1010
1011                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1012                                 send_ldap_error( op, rs, LDAP_OTHER,
1013                                         "encoding description error");
1014                                 goto error_return;
1015                         }
1016                         finish = 1;
1017
1018                 } else {
1019                         int first = 1;
1020                         for ( i = 0; a->a_nvals[i].bv_val != NULL; i++ ) {
1021                                 if ( ! access_allowed( op, rs->sr_entry,
1022                                         desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
1023                                 {
1024 #ifdef NEW_LOGGING
1025                                         LDAP_LOG( ACL, INFO,
1026                                                 "send_search_entry: conn %lu "
1027                                                 "access to attribute %s, value #%d not allowed\n",
1028                                                 op->o_connid, desc->ad_cname.bv_val, i );
1029 #else
1030                                         Debug( LDAP_DEBUG_ACL,
1031                                                 "send_search_entry: conn %lu "
1032                                                 "access to attribute %s, value #%d not allowed\n",
1033                                                 op->o_connid, desc->ad_cname.bv_val, i );
1034 #endif
1035
1036                                         continue;
1037                                 }
1038
1039                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1040                                         continue;
1041                                 }
1042
1043                                 if ( first ) {
1044                                         first = 0;
1045                                         finish = 1;
1046                                         if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
1047 #ifdef NEW_LOGGING
1048                                                 LDAP_LOG( OPERATION, ERR,
1049                                                         "send_search_entry: conn %lu  ber_printf failed\n",
1050                                                         op->o_connid, 0, 0 );
1051 #else
1052                                                 Debug( LDAP_DEBUG_ANY,
1053                                                         "send_search_entry: conn %lu  ber_printf failed\n",
1054                                                         op->o_connid, 0, 0 );
1055 #endif
1056
1057                                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1058                                                 send_ldap_error( op, rs, LDAP_OTHER,
1059                                                         "encoding description error");
1060                                                 goto error_return;
1061                                         }
1062                                 }
1063                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1064 #ifdef NEW_LOGGING
1065                                         LDAP_LOG( OPERATION, ERR,
1066                                                 "send_search_entry: conn %lu  "
1067                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
1068 #else
1069                                         Debug( LDAP_DEBUG_ANY,
1070                                                 "send_search_entry: conn %lu  "
1071                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
1072 #endif
1073
1074                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1075                                         send_ldap_error( op, rs, LDAP_OTHER,
1076                                                 "encoding values error" );
1077                                         goto error_return;
1078                                 }
1079                         }
1080                 }
1081
1082                 if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1083 #ifdef NEW_LOGGING
1084                         LDAP_LOG( OPERATION, ERR,
1085                                 "send_search_entry: conn %lu ber_printf failed\n",
1086                                 op->o_connid, 0, 0 );
1087 #else
1088                         Debug( LDAP_DEBUG_ANY,
1089                                 "send_search_entry: conn %lu ber_printf failed\n",
1090                                 op->o_connid, 0, 0 );
1091 #endif
1092
1093                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1094                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1095                         goto error_return;
1096                 }
1097         }
1098
1099         /* NOTE: moved before overlays callback circling because
1100          * they may modify entry and other stuff in rs */
1101         if ( rs->sr_operational_attrs != NULL && op->o_vrFilter != NULL ) {
1102                 int     k = 0;
1103                 size_t  size;
1104
1105                 for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
1106                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
1107                 }
1108
1109                 size = i * sizeof(char *) + k;
1110                 if ( size > 0 ) {
1111                         char    *a_flags, **tmp;
1112
1113                         /*
1114                          * Reuse previous memory - we likely need less space
1115                          * for operational attributes
1116                          */
1117                         tmp = slap_sl_realloc( e_flags, i * sizeof(char *) + k,
1118                                 op->o_tmpmemctx );
1119                         if ( tmp == NULL ) {
1120 #ifdef NEW_LOGGING
1121                                 LDAP_LOG( OPERATION, ERR,
1122                                         "send_search_entry: conn %lu "
1123                                         "not enough memory "
1124                                         "for matched values filtering\n",
1125                                         op->o_connid, 0, 0);
1126 #else
1127                                 Debug( LDAP_DEBUG_ANY,
1128                                         "send_search_entry: conn %lu "
1129                                         "not enough memory "
1130                                         "for matched values filtering\n",
1131                                         op->o_connid, 0, 0 );
1132 #endif
1133                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1134                                 send_ldap_error( op, rs, LDAP_OTHER,
1135                                         "not enough memory for matched values filtering" );
1136                                 goto error_return;
1137                         }
1138                         e_flags = tmp;
1139                         a_flags = (char *)(e_flags + i);
1140                         memset( a_flags, 0, k );
1141                         for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
1142                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
1143                                 e_flags[i] = a_flags;
1144                                 a_flags += j;
1145                         }
1146                         rc = filter_matched_values(op, rs->sr_operational_attrs, &e_flags) ;
1147
1148                         if ( rc == -1 ) {
1149 #ifdef NEW_LOGGING
1150                                 LDAP_LOG( OPERATION, ERR,
1151                                         "send_search_entry: conn %lu "
1152                                         "matched values filtering failed\n",
1153                                         op->o_connid ? op->o_connid : 0, 0, 0);
1154 #else
1155                                 Debug( LDAP_DEBUG_ANY,
1156                                         "send_search_entry: conn %lu "
1157                                         "matched values filtering failed\n",
1158                                         op->o_connid ? op->o_connid : 0, 0, 0);
1159 #endif
1160                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1161                                 send_ldap_error( op, rs, LDAP_OTHER,
1162                                         "matched values filtering error" );
1163                                 goto error_return;
1164                         }
1165                 }
1166         }
1167
1168         for (a = rs->sr_operational_attrs, j=0; a != NULL; a = a->a_next, j++ ) {
1169                 AttributeDescription *desc = a->a_desc;
1170
1171                 if ( rs->sr_attrs == NULL ) {
1172                         /* all attrs request, skip operational attributes */
1173                         if( is_at_operational( desc->ad_type ) ) {
1174                                 continue;
1175                         }
1176
1177                 } else {
1178                         /* specific attrs requested */
1179                         if( is_at_operational( desc->ad_type ) ) {
1180                                 if ( rs->sr_opattrs != SLAP_OPATTRS &&
1181                                                 !ad_inlist( desc, rs->sr_attrs ) )
1182                                 {
1183                                         continue;
1184                                 }
1185                         } else {
1186                                 if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1187                                         continue;
1188                                 }
1189                         }
1190                 }
1191
1192                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
1193                         ACL_READ, &acl_state ) )
1194                 {
1195 #ifdef NEW_LOGGING
1196                         LDAP_LOG( ACL, INFO,
1197                                 "send_search_entry: conn %lu "
1198                                 "access to attribute %s not allowed\n",
1199                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1200 #else
1201                         Debug( LDAP_DEBUG_ACL,
1202                                 "send_search_entry: conn %lu "
1203                                 "access to attribute %s not allowed\n",
1204                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1205 #endif
1206
1207                         continue;
1208                 }
1209
1210                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1211                 if ( rc == -1 ) {
1212 #ifdef NEW_LOGGING
1213                         LDAP_LOG( OPERATION, ERR,
1214                                 "send_search_entry: conn %lu  "
1215                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1216 #else
1217                         Debug( LDAP_DEBUG_ANY,
1218                                 "send_search_entry: conn %lu  "
1219                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1220 #endif
1221
1222                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1223                         send_ldap_error( op, rs, LDAP_OTHER,
1224                                 "encoding description error" );
1225                         goto error_return;
1226                 }
1227
1228                 if ( ! op->ors_attrsonly ) {
1229                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1230                                 if ( ! access_allowed( op, rs->sr_entry,
1231                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1232                                 {
1233 #ifdef NEW_LOGGING
1234                                         LDAP_LOG( ACL, INFO,
1235                                                 "send_search_entry: conn %lu "
1236                                                 "access to %s, value %d not allowed\n",
1237                                                 op->o_connid, desc->ad_cname.bv_val, i );
1238 #else
1239                                         Debug( LDAP_DEBUG_ACL,
1240                                                 "send_search_entry: conn %lu "
1241                                                 "access to %s, value %d not allowed\n",
1242                                                 op->o_connid, desc->ad_cname.bv_val, i );
1243 #endif
1244
1245                                         continue;
1246                                 }
1247
1248                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1249                                         continue;
1250                                 }
1251
1252                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1253 #ifdef NEW_LOGGING
1254                                         LDAP_LOG( OPERATION, ERR,
1255                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1256                                                 op->o_connid, 0, 0 );
1257 #else
1258                                         Debug( LDAP_DEBUG_ANY,
1259                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1260                                                 op->o_connid, 0, 0 );
1261 #endif
1262
1263                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1264                                         send_ldap_error( op, rs, LDAP_OTHER,
1265                                                 "encoding values error" );
1266                                         goto error_return;
1267                                 }
1268                         }
1269                 }
1270
1271                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1272 #ifdef NEW_LOGGING
1273                         LDAP_LOG( OPERATION, ERR,
1274                                 "send_search_entry: conn %lu  ber_printf failed\n",
1275                                 op->o_connid, 0, 0 );
1276 #else
1277                         Debug( LDAP_DEBUG_ANY,
1278                                 "send_search_entry: conn %lu  ber_printf failed\n",
1279                                 op->o_connid, 0, 0 );
1280 #endif
1281
1282                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1283                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1284                         goto error_return;
1285                 }
1286         }
1287
1288 #ifdef LDAP_SLAPI
1289         /*
1290          * First, setup the computed attribute context that is
1291          * passed to all plugins.
1292          */
1293         if ( op->o_pb ) {
1294                 ctx.cac_pb = op->o_pb;
1295                 ctx.cac_attrs = rs->sr_attrs;
1296                 ctx.cac_attrsonly = op->ors_attrsonly;
1297                 ctx.cac_userattrs = userattrs;
1298                 ctx.cac_opattrs = rs->sr_opattrs;
1299                 ctx.cac_acl_state = acl_state;
1300                 ctx.cac_private = (void *)ber;
1301
1302                 /*
1303                  * For each client requested attribute, call the plugins.
1304                  */
1305                 if ( rs->sr_attrs != NULL ) {
1306                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1307                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1308                                         rs->sr_entry, slapi_int_compute_output_ber );
1309                                 if ( rc == 1 ) break;
1310                         }
1311                 } else {
1312                         /*
1313                          * Technically we shouldn't be returning operational attributes
1314                          * when the user requested only user attributes. We'll let the
1315                          * plugin decide whether to be naughty or not.
1316                          */
1317                         rc = compute_evaluator( &ctx, "*",
1318                                 rs->sr_entry, slapi_int_compute_output_ber );
1319                 }
1320                 if ( rc == 1 ) {
1321                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1322                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1323                         goto error_return;
1324                 }
1325         }
1326 #endif /* LDAP_SLAPI */
1327
1328         /* free e_flags */
1329         if ( e_flags ) {
1330                 slap_sl_free( e_flags, op->o_tmpmemctx );
1331                 e_flags = NULL;
1332         }
1333
1334         rc = ber_printf( ber, /*{{*/ "}N}" );
1335
1336         if( rc != -1 ) {
1337                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1338         }
1339
1340         if( rc != -1 ) {
1341 #ifdef LDAP_CONNECTIONLESS
1342                 if( op->o_conn && op->o_conn->c_is_udp ) {
1343                         if ( op->o_protocol != LDAP_VERSION2 ) {
1344                                 rc = ber_printf( ber, /*{*/ "N}" );
1345                         }
1346                 } else
1347 #endif
1348                 if ( op->o_res_ber == NULL ) {
1349                         rc = ber_printf( ber, /*{*/ "N}" );
1350                 }
1351         }
1352
1353         if ( rc == -1 ) {
1354 #ifdef NEW_LOGGING
1355                 LDAP_LOG( OPERATION, ERR,
1356                         "send_search_entry: conn %lu ber_printf failed\n",
1357                         op->o_connid, 0, 0 );
1358 #else
1359                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1360 #endif
1361
1362                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1363                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1364                 rc = 1;
1365                 goto error_return;
1366         }
1367
1368         if ( op->o_res_ber == NULL ) {
1369                 bytes = send_ldap_ber( op->o_conn, ber );
1370                 ber_free_buf( ber );
1371
1372                 if ( bytes < 0 ) {
1373 #ifdef NEW_LOGGING
1374                         LDAP_LOG( OPERATION, ERR,
1375                                 "send_search_entry: conn %lu  ber write failed.\n",
1376                                 op->o_connid, 0, 0 );
1377 #else
1378                         Debug( LDAP_DEBUG_ANY,
1379                                 "send_search_entry: conn %lu  ber write failed.\n",
1380                                 op->o_connid, 0, 0 );
1381 #endif
1382
1383                         rc = -1;
1384                         goto error_return;
1385                 }
1386                 rs->sr_nentries++;
1387
1388                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1389                 num_bytes_sent += bytes;
1390                 num_entries_sent++;
1391                 num_pdu_sent++;
1392                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1393         }
1394
1395         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1396             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1397
1398 #ifdef NEW_LOGGING
1399         LDAP_LOG( OPERATION, ENTRY,
1400                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1401 #else
1402         Debug( LDAP_DEBUG_TRACE,
1403                 "<= send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1404 #endif
1405
1406         rc = 0;
1407
1408 error_return:;
1409         if ( op->o_callback ) {
1410                 int             first = 1;
1411                 slap_callback   *sc = op->o_callback,
1412                                 *sc_next = op->o_callback;
1413
1414                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
1415                         sc_next = op->o_callback->sc_next;
1416                         if ( op->o_callback->sc_cleanup ) {
1417                                 (void)op->o_callback->sc_cleanup( op, rs );
1418                                 if ( first && op->o_callback == NULL ) {
1419                                         sc = NULL;
1420                                 }
1421                         }
1422                         first = 0;
1423                 }
1424
1425                 op->o_callback = sc;
1426         }
1427
1428         if ( e_flags ) {
1429                 slap_sl_free( e_flags, op->o_tmpmemctx );
1430         }
1431
1432         if ( rs->sr_operational_attrs ) {
1433                 attrs_free( rs->sr_operational_attrs );
1434                 rs->sr_operational_attrs = NULL;
1435         }
1436         rs->sr_opattrs = SLAP_OPATTRS_UNDEFINED;
1437
1438         /* FIXME: I think rs->sr_type should be explicitly set to
1439          * REP_SEARCH here. That's what it was when we entered this
1440          * function. send_ldap_error may have changed it, but we
1441          * should set it back so that the cleanup functions know
1442          * what they're doing.
1443          */
1444         if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
1445                 && rs->sr_entry
1446                 && ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) )
1447         {
1448                 entry_free( rs->sr_entry );
1449                 rs->sr_entry = NULL;
1450                 rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
1451         }
1452
1453         return( rc );
1454 }
1455
1456 int
1457 slap_send_search_reference( Operation *op, SlapReply *rs )
1458 {
1459         BerElementBuffer berbuf;
1460         BerElement      *ber = (BerElement *) &berbuf;
1461         int rc = 0;
1462         int bytes;
1463
1464         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1465         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1466
1467         rs->sr_type = REP_SEARCHREF;
1468         if ( op->o_callback ) {
1469                 int             first = 1;
1470                 slap_callback   *sc = op->o_callback,
1471                                 *sc_next = op->o_callback;
1472
1473                 rc = SLAP_CB_CONTINUE;
1474                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
1475                         sc_next = op->o_callback->sc_next;
1476                         if ( op->o_callback->sc_response ) {
1477                                 rc = op->o_callback->sc_response( op, rs );
1478                                 if ( first && op->o_callback == NULL ) {
1479                                         sc = NULL;
1480                                 }
1481                                 if ( rc != SLAP_CB_CONTINUE ) break;
1482                         }
1483                         first = 0;
1484                 }
1485
1486                 op->o_callback = sc;
1487                 if ( rc != SLAP_CB_CONTINUE ) goto rel;
1488         }
1489
1490 #ifdef NEW_LOGGING
1491         LDAP_LOG( OPERATION, ENTRY,
1492                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1493                 op->o_connid,
1494                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1495 #else
1496         Debug( LDAP_DEBUG_TRACE,
1497                 "=> send_search_reference: dn=\"%s\"\n",
1498                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1499 #endif
1500
1501         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1502                 ad_entry, NULL, ACL_READ, NULL ) )
1503         {
1504 #ifdef NEW_LOGGING
1505                 LDAP_LOG( ACL, INFO,
1506                         "send_search_reference: conn %lu        "
1507                         "access to entry %s not allowed\n",
1508                         op->o_connid, rs->sr_entry->e_dn, 0 );
1509 #else
1510                 Debug( LDAP_DEBUG_ACL,
1511                         "send_search_reference: access to entry not allowed\n",
1512                     0, 0, 0 );
1513 #endif
1514                 rc = 1;
1515                 goto rel;
1516         }
1517
1518         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1519                 ad_ref, NULL, ACL_READ, NULL ) )
1520         {
1521 #ifdef NEW_LOGGING
1522                 LDAP_LOG( ACL, INFO,
1523                         "send_search_reference: conn %lu access "
1524                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1525 #else
1526                 Debug( LDAP_DEBUG_ACL,
1527                         "send_search_reference: access "
1528                         "to reference not allowed\n",
1529                     0, 0, 0 );
1530 #endif
1531                 rc = 1;
1532                 goto rel;
1533         }
1534
1535 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1536         if( op->o_domain_scope ) {
1537 #ifdef NEW_LOGGING
1538                 LDAP_LOG( OPERATION, ERR,
1539                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1540                         op->o_connid, rs->sr_entry->e_dn, 0 );
1541 #else
1542                 Debug( LDAP_DEBUG_ANY,
1543                         "send_search_reference: domainScope control in (%s)\n",
1544                         rs->sr_entry->e_dn, 0, 0 );
1545 #endif
1546                 rc = 0;
1547                 goto rel;
1548         }
1549 #endif
1550
1551         if( rs->sr_ref == NULL ) {
1552 #ifdef NEW_LOGGING
1553                 LDAP_LOG( OPERATION, ERR,
1554                         "send_search_reference: conn %lu null ref in (%s).\n",
1555                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1556 #else
1557                 Debug( LDAP_DEBUG_ANY,
1558                         "send_search_reference: null ref in (%s)\n",
1559                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1560 #endif
1561                 rc = 1;
1562                 goto rel;
1563         }
1564
1565         if( op->o_protocol < LDAP_VERSION3 ) {
1566                 rc = 0;
1567                 /* save the references for the result */
1568                 if( rs->sr_ref[0].bv_val != NULL ) {
1569                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1570                                 rc = LDAP_OTHER;
1571                 }
1572                 goto rel;
1573         }
1574
1575 #ifdef LDAP_CONNECTIONLESS
1576         if( op->o_conn && op->o_conn->c_is_udp ) {
1577                 ber = op->o_res_ber;
1578         } else
1579 #endif
1580         {
1581                 ber_init_w_nullc( ber, LBER_USE_DER );
1582                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1583         }
1584
1585         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1586                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1587
1588         if( rc != -1 ) {
1589                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1590         }
1591
1592         if( rc != -1 ) {
1593                 rc = ber_printf( ber, /*"{"*/ "N}" );
1594         }
1595
1596         if ( rc == -1 ) {
1597 #ifdef NEW_LOGGING
1598                 LDAP_LOG( OPERATION, ERR,
1599                         "send_search_reference: conn %lu        "
1600                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1601 #else
1602                 Debug( LDAP_DEBUG_ANY,
1603                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1604 #endif
1605
1606 #ifdef LDAP_CONNECTIONLESS
1607                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1608 #endif
1609                 ber_free_buf( ber );
1610                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1611                 goto rel;
1612         }
1613
1614 #ifdef LDAP_CONNECTIONLESS
1615         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1616 #endif
1617         bytes = send_ldap_ber( op->o_conn, ber );
1618         ber_free_buf( ber );
1619
1620         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1621         num_bytes_sent += bytes;
1622         num_refs_sent++;
1623         num_pdu_sent++;
1624         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1625 #ifdef LDAP_CONNECTIONLESS
1626         }
1627 #endif
1628
1629         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1630                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1631
1632 #ifdef NEW_LOGGING
1633         LDAP_LOG( OPERATION, ENTRY,
1634                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1635 #else
1636         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1637 #endif
1638
1639 rel:
1640         if ( op->o_callback ) {
1641                 int             first = 1;
1642                 slap_callback   *sc = op->o_callback,
1643                                 *sc_next = op->o_callback;
1644
1645                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
1646                         sc_next = op->o_callback->sc_next;
1647                         if ( op->o_callback->sc_cleanup ) {
1648                                 (void)op->o_callback->sc_cleanup( op, rs );
1649                                 if ( first && op->o_callback == NULL ) {
1650                                         sc = NULL;
1651                                 }
1652                         }
1653                         first = 0;
1654                 }
1655
1656                 op->o_callback = sc;
1657         }
1658
1659         return rc;
1660 }
1661
1662 int
1663 str2result(
1664     char        *s,
1665     int         *code,
1666     char        **matched,
1667     char        **info
1668 )
1669 {
1670         int     rc;
1671         char    *c;
1672
1673         *code = LDAP_SUCCESS;
1674         *matched = NULL;
1675         *info = NULL;
1676
1677         if ( strncasecmp( s, "RESULT", STRLENOF( "RESULT" ) ) != 0 ) {
1678 #ifdef NEW_LOGGING
1679                 LDAP_LOG( OPERATION, INFO,
1680                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1681 #else
1682                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1683                     s, 0, 0 );
1684 #endif
1685
1686                 return( -1 );
1687         }
1688
1689         rc = 0;
1690         while ( (s = strchr( s, '\n' )) != NULL ) {
1691                 *s++ = '\0';
1692                 if ( *s == '\0' ) {
1693                         break;
1694                 }
1695                 if ( (c = strchr( s, ':' )) != NULL ) {
1696                         c++;
1697                 }
1698
1699                 if ( strncasecmp( s, "code", STRLENOF( "code" ) ) == 0 ) {
1700                         if ( c != NULL ) {
1701                                 *code = atoi( c );
1702                         }
1703                 } else if ( strncasecmp( s, "matched", STRLENOF( "matched" ) ) == 0 ) {
1704                         if ( c != NULL ) {
1705                                 *matched = c;
1706                         }
1707                 } else if ( strncasecmp( s, "info", STRLENOF( "info" ) ) == 0 ) {
1708                         if ( c != NULL ) {
1709                                 *info = c;
1710                         }
1711                 } else {
1712 #ifdef NEW_LOGGING
1713                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1714 #else
1715                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1716                             s, 0, 0 );
1717 #endif
1718
1719                         rc = -1;
1720                 }
1721         }
1722
1723         return( rc );
1724 }
1725
1726 int slap_read_controls(
1727         Operation *op,
1728         SlapReply *rs,
1729         Entry *e,
1730         const struct berval *oid,
1731         LDAPControl **ctrl )
1732 {
1733         int rc;
1734         struct berval bv;
1735         BerElementBuffer berbuf;
1736         BerElement *ber = (BerElement *) &berbuf;
1737         LDAPControl c;
1738         ber_len_t       siz, len;
1739         Operation myop;
1740
1741 #ifdef NEW_LOGGING
1742         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1743                 oid->bv_val, e->e_dn, 0 );
1744 #else
1745         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1746                 oid->bv_val, e->e_dn, 0 );
1747 #endif
1748
1749         rs->sr_entry = e;
1750         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1751                 op->o_preread_attrs : op->o_postread_attrs;
1752
1753         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1754         bv.bv_len = siz + len;
1755         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1756
1757         ber_init2( ber, &bv, LBER_USE_DER );
1758         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1759
1760         /* create new operation */
1761         myop = *op;
1762         myop.o_bd = NULL;
1763         myop.o_res_ber = ber;
1764
1765         rc = slap_send_search_entry( &myop, rs );
1766         if( rc ) return rc;
1767
1768         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1769
1770         if( rc == LBER_ERROR ) return LDAP_OTHER;
1771
1772         c.ldctl_oid = oid->bv_val;
1773         c.ldctl_iscritical = 0;
1774
1775         if ( ctrl == NULL ) {
1776                 /* first try */
1777                 *ctrl = (LDAPControl *) slap_sl_calloc( 1, sizeof(LDAPControl), NULL );
1778         } else {
1779                 /* retry: free previous try */
1780                 slap_sl_free( (*ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
1781         }
1782
1783         **ctrl = c;
1784         return LDAP_SUCCESS;
1785 }
1786
1787 /* Map API errors to protocol errors... */
1788 int
1789 slap_map_api2result( SlapReply *rs )
1790 {
1791         switch(rs->sr_err) {
1792         case LDAP_SERVER_DOWN:
1793                 return LDAP_UNAVAILABLE;
1794         case LDAP_LOCAL_ERROR:
1795                 return LDAP_OTHER;
1796         case LDAP_ENCODING_ERROR:
1797         case LDAP_DECODING_ERROR:
1798                 return LDAP_PROTOCOL_ERROR;
1799         case LDAP_TIMEOUT:
1800                 return LDAP_UNAVAILABLE;
1801         case LDAP_AUTH_UNKNOWN:
1802                 return LDAP_AUTH_METHOD_NOT_SUPPORTED;
1803         case LDAP_FILTER_ERROR:
1804                 rs->sr_text = "Filter error";
1805                 return LDAP_OTHER;
1806         case LDAP_USER_CANCELLED:
1807                 rs->sr_text = "User cancelled";
1808                 return LDAP_OTHER;
1809         case LDAP_PARAM_ERROR:
1810                 return LDAP_PROTOCOL_ERROR;
1811         case LDAP_NO_MEMORY:
1812                 return LDAP_OTHER;
1813         case LDAP_CONNECT_ERROR:
1814                 return LDAP_UNAVAILABLE;
1815         case LDAP_NOT_SUPPORTED:
1816                 return LDAP_UNWILLING_TO_PERFORM;
1817         case LDAP_CONTROL_NOT_FOUND:
1818                 return LDAP_PROTOCOL_ERROR;
1819         case LDAP_NO_RESULTS_RETURNED:
1820                 return LDAP_NO_SUCH_OBJECT;
1821         case LDAP_MORE_RESULTS_TO_RETURN:
1822                 rs->sr_text = "More results to return";
1823                 return LDAP_OTHER;
1824         case LDAP_CLIENT_LOOP:
1825         case LDAP_REFERRAL_LIMIT_EXCEEDED:
1826                 return LDAP_LOOP_DETECT;
1827         default:
1828                 if ( LDAP_API_ERROR(rs->sr_err) ) return LDAP_OTHER;
1829                 return rs->sr_err;
1830         }
1831 }
1832