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

   1 /* result.c - routines to send ldap results, errors, and referrals */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/errno.h>
  14 #include <ac/string.h>
  15 #include <ac/ctype.h>
  16 #include <ac/time.h>
  17 #include <ac/unistd.h>
  18
  19 #include "slap.h"
  20
  21 static char *v2ref( BerVarray ref, const char *text )
  22 {
  23         size_t len = 0, i = 0;
  24         char *v2;
  25
  26         if(ref == NULL) {
  27                 if (text) {
  28                         return ch_strdup(text);
  29                 } else {
  30                         return NULL;
  31                 }
  32         }
  33
  34         if ( text != NULL ) {
  35                 len = strlen( text );
  36                 if (text[len-1] != '\n') {
  37                     i = 1;
  38                 }
  39         }
  40
  41         v2 = ch_malloc( len+i+sizeof("Referral:") );
  42         if( text != NULL ) {
  43                 strcpy(v2, text);
  44                 if( i ) {
  45                         v2[len++] = '\n';
  46                 }
  47         }
  48         strcpy( v2+len, "Referral:" );
  49         len += sizeof("Referral:");
  50
  51         for( i=0; ref[i].bv_val != NULL; i++ ) {
  52                 v2 = ch_realloc( v2, len + ref[i].bv_len + 1 );
  53                 v2[len-1] = '\n';
  54                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
  55                 len += ref[i].bv_len;
  56                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
  57                         ++len;
  58                 }
  59         }
  60
  61         v2[len-1] = '\0';
  62         return v2;
  63 }
  64
  65 static ber_tag_t req2res( ber_tag_t tag )
  66 {
  67         switch( tag ) {
  68         case LDAP_REQ_ADD:
  69         case LDAP_REQ_BIND:
  70         case LDAP_REQ_COMPARE:
  71         case LDAP_REQ_EXTENDED:
  72         case LDAP_REQ_MODIFY:
  73         case LDAP_REQ_MODRDN:
  74                 tag++;
  75                 break;
  76
  77         case LDAP_REQ_DELETE:
  78                 tag = LDAP_RES_DELETE;
  79                 break;
  80
  81         case LDAP_REQ_ABANDON:
  82         case LDAP_REQ_UNBIND:
  83                 tag = LBER_SEQUENCE;
  84                 break;
  85
  86         case LDAP_REQ_SEARCH:
  87                 tag = LDAP_RES_SEARCH_RESULT;
  88                 break;
  89
  90         default:
  91                 tag = LBER_SEQUENCE;
  92         }
  93
  94         return tag;
  95 }
  96
  97 static long send_ldap_ber(
  98         Connection *conn,
  99         BerElement *ber )
 100 {
 101         ber_len_t bytes;
 102
 103         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 104
 105         /* write only one pdu at a time - wait til it's our turn */
 106         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 107
 108         /* lock the connection */
 109         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 110
 111         /* write the pdu */
 112         while( 1 ) {
 113                 int err;
 114                 ber_socket_t    sd;
 115
 116                 if ( connection_state_closing( conn ) ) {
 117                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 118                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 119
 120                         return 0;
 121                 }
 122
 123                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 124                         break;
 125                 }
 126
 127                 err = errno;
 128
 129                 /*
 130                  * we got an error.  if it's ewouldblock, we need to
 131                  * wait on the socket being writable.  otherwise, figure
 132                  * it's a hard error and return.
 133                  */
 134
 135 #ifdef NEW_LOGGING
 136                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 137                            "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
 138                            conn ? conn->c_connid : 0, err, sock_errstr(err) ));
 139 #else
 140                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 141                     err, sock_errstr(err), 0 );
 142 #endif
 143
 144                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 145                         connection_closing( conn );
 146
 147                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 148                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 149
 150                         return( -1 );
 151                 }
 152
 153                 /* wait for socket to be write-ready */
 154                 conn->c_writewaiter = 1;
 155                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 156                 slapd_set_write( sd, 1 );
 157
 158                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 159                 conn->c_writewaiter = 0;
 160         }
 161
 162         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 163         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 164
 165         return bytes;
 166 }
 167
 168 static void
 169 send_ldap_response(
 170     Connection  *conn,
 171     Operation   *op,
 172         ber_tag_t       tag,
 173         ber_int_t       msgid,
 174     ber_int_t   err,
 175     const char  *matched,
 176     const char  *text,
 177         BerVarray       ref,
 178         const char      *resoid,
 179         struct berval   *resdata,
 180         struct berval   *sasldata,
 181         LDAPControl **ctrls
 182 )
 183 {
 184         char berbuf[256];
 185         BerElement      *ber = (BerElement *)berbuf;
 186         int             rc;
 187         long    bytes;
 188
 189         if (op->o_callback && op->o_callback->sc_response) {
 190                 op->o_callback->sc_response( conn, op, tag, msgid, err, matched,
 191                         text, ref, resoid, resdata, sasldata, ctrls );
 192                 return;
 193         }
 194
 195         assert( ctrls == NULL ); /* ctrls not implemented */
 196
 197         ber_init_w_nullc( ber, LBER_USE_DER );
 198
 199 #ifdef NEW_LOGGING
 200         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 201                    "send_ldap_response: conn %lu         msgid=%d tag=%lu err=%d\n",
 202                    conn ? conn->c_connid : 0, msgid, tag, err ));
 203 #else
 204         Debug( LDAP_DEBUG_TRACE,
 205                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 206                 msgid, tag, err );
 207 #endif
 208
 209         if( ref ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 212                            "send_ldap_response: conn %lu  ref=\"%s\"\n",
 213                            conn ? conn->c_connid : 0,
 214                            ref[0].bv_val ? ref[0].bv_val : "NULL" ));
 215 #else
 216                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 217                         ref[0].bv_val ? ref[0].bv_val : "NULL",
 218                         NULL, NULL );
 219 #endif
 220
 221         }
 222
 223 #ifdef LDAP_CONNECTIONLESS
 224         if (conn->c_is_udp) {
 225             rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
 226             if (rc != sizeof(struct sockaddr)) {
 227 #ifdef NEW_LOGGING
 228                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 229                            "send_ldap_response: conn %lu  ber_write failed\n",
 230                            conn ? conn->c_connid : 0 ));
 231 #else
 232                 Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
 233 #endif
 234                 ber_free_buf( ber );
 235                 return;
 236             }
 237         }
 238         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 239             rc = ber_printf( ber, "{is{t{ess" /*"}}}"*/,
 240                 msgid, "", tag, err,
 241                 matched == NULL ? "" : matched,
 242                 text == NULL ? "" : text );
 243         } else
 244 #endif
 245         {
 246             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 247                 msgid, tag, err,
 248                 matched == NULL ? "" : matched,
 249                 text == NULL ? "" : text );
 250         }
 251
 252         if( rc != -1 ) {
 253                 if ( ref != NULL ) {
 254                         assert( err == LDAP_REFERRAL );
 255                         rc = ber_printf( ber, "t{W}",
 256                                 LDAP_TAG_REFERRAL, ref );
 257                 } else {
 258                         assert( err != LDAP_REFERRAL );
 259                 }
 260         }
 261
 262         if( rc != -1 && sasldata != NULL ) {
 263                 rc = ber_printf( ber, "tO",
 264                         LDAP_TAG_SASL_RES_CREDS, sasldata );
 265         }
 266
 267         if( rc != -1 && resoid != NULL ) {
 268                 rc = ber_printf( ber, "ts",
 269                         LDAP_TAG_EXOP_RES_OID, resoid );
 270         }
 271
 272         if( rc != -1 && resdata != NULL ) {
 273                 rc = ber_printf( ber, "tO",
 274                         LDAP_TAG_EXOP_RES_VALUE, resdata );
 275         }
 276
 277         if( rc != -1 ) {
 278                 rc = ber_printf( ber, /*"{{"*/ "N}N}" );
 279         }
 280 #ifdef LDAP_CONNECTIONLESS
 281         if( conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 282                 rc = ber_printf( ber, /*"{"*/ "N}" );
 283         }
 284 #endif
 285
 286         if ( rc == -1 ) {
 287 #ifdef NEW_LOGGING
 288                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 289                            "send_ldap_response: conn %lu  ber_printf failed\n",
 290                            conn ? conn->c_connid : 0 ));
 291 #else
 292                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 293 #endif
 294
 295                 ber_free_buf( ber );
 296                 return;
 297         }
 298
 299         /* send BER */
 300         bytes = send_ldap_ber( conn, ber );
 301         ber_free_buf( ber );
 302
 303         if ( bytes < 0 ) {
 304 #ifdef NEW_LOGGING
 305                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 306                            "send_ldap_response: conn %lu ber write failed\n",
 307                            conn ? conn->c_connid : 0 ));
 308 #else
 309                 Debug( LDAP_DEBUG_ANY,
 310                         "send_ldap_response: ber write failed\n",
 311                         0, 0, 0 );
 312 #endif
 313
 314                 return;
 315         }
 316
 317         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 318         num_bytes_sent += bytes;
 319         num_pdu_sent++;
 320         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 321         return;
 322 }
 323
 324
 325 void
 326 send_ldap_disconnect(
 327     Connection  *conn,
 328     Operation   *op,
 329     ber_int_t   err,
 330     const char  *text
 331 )
 332 {
 333         ber_tag_t tag;
 334         ber_int_t msgid;
 335         char *reqoid;
 336
 337 #define LDAP_UNSOLICITED_ERROR(e) \
 338         (  (e) == LDAP_PROTOCOL_ERROR \
 339         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 340         || (e) == LDAP_UNAVAILABLE )
 341
 342         assert( LDAP_UNSOLICITED_ERROR( err ) );
 343
 344 #ifdef NEW_LOGGING
 345         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 346                    "send_ldap_disconnect: conn %lu  %d:%s\n",
 347                    conn ? conn->c_connid : 0, err, text ? text : "" ));
 348 #else
 349         Debug( LDAP_DEBUG_TRACE,
 350                 "send_ldap_disconnect %d:%s\n",
 351                 err, text ? text : "", NULL );
 352 #endif
 353
 354
 355         if ( op->o_protocol < LDAP_VERSION3 ) {
 356                 reqoid = NULL;
 357                 tag = req2res( op->o_tag );
 358                 msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 359
 360         } else {
 361                 reqoid = LDAP_NOTICE_DISCONNECT;
 362                 tag = LDAP_RES_EXTENDED;
 363                 msgid = 0;
 364         }
 365
 366         send_ldap_response( conn, op, tag, msgid,
 367                 err, NULL, text, NULL,
 368                 reqoid, NULL, NULL, NULL );
 369
 370         Statslog( LDAP_DEBUG_STATS,
 371             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 372                 op->o_connid, op->o_opid, tag, err, text ? text : "" );
 373 }
 374
 375 void
 376 send_ldap_result(
 377     Connection  *conn,
 378     Operation   *op,
 379     ber_int_t   err,
 380     const char  *matched,
 381     const char  *text,
 382         BerVarray ref,
 383         LDAPControl **ctrls
 384 )
 385 {
 386         ber_tag_t tag;
 387         ber_int_t msgid;
 388         char *tmp = NULL;
 389
 390         assert( !LDAP_API_ERROR( err ) );
 391
 392 #ifdef NEW_LOGGING
 393         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 394                    "send_ldap_result : conn %lu   op=%lu p=%d\n",
 395                    op->o_connid, op->o_opid, op->o_protocol ));
 396 #else
 397         Debug( LDAP_DEBUG_TRACE,
 398                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 399                 op->o_connid, op->o_opid, op->o_protocol );
 400 #endif
 401
 402 #ifdef NEW_LOGGING
 403         LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 404                    "send_ldap_result: conn=%lu err=%d matched=\"%s\" text=\"%s\"\n",
 405                    op->o_connid, err, matched ? matched : "", text ? text : "" ));
 406 #else
 407         Debug( LDAP_DEBUG_ARGS,
 408                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 409                 err, matched ?  matched : "", text ? text : "" );
 410 #endif
 411
 412
 413         if( ref ) {
 414 #ifdef NEW_LOGGING
 415                 LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 416                         "send_ldap_result: referral=\"%s\"\n",
 417                         ref[0].bv_val ? ref[0].bv_val : "NULL" ));
 418 #else
 419                 Debug( LDAP_DEBUG_ARGS,
 420                         "send_ldap_result: referral=\"%s\"\n",
 421                         ref[0].bv_val ? ref[0].bv_val : "NULL",
 422                         NULL, NULL );
 423 #endif
 424         }
 425
 426         assert( err != LDAP_PARTIAL_RESULTS );
 427
 428         if ( err == LDAP_REFERRAL ) {
 429                 if( ref == NULL ) {
 430                         err = LDAP_NO_SUCH_OBJECT;
 431                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 432                         err = LDAP_PARTIAL_RESULTS;
 433                 }
 434         }
 435
 436         if ( op->o_protocol < LDAP_VERSION3 ) {
 437                 tmp = v2ref( ref, text );
 438                 text = tmp;
 439                 ref = NULL;
 440         }
 441
 442         tag = req2res( op->o_tag );
 443         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 444
 445         send_ldap_response( conn, op, tag, msgid,
 446                 err, matched, text, ref,
 447                 NULL, NULL, NULL, ctrls );
 448
 449         Statslog( LDAP_DEBUG_STATS,
 450             "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 451                 op->o_connid, op->o_opid, tag, err, text ? text : "" );
 452
 453         if( tmp != NULL ) {
 454                 ch_free(tmp);
 455         }
 456 }
 457
 458 void
 459 send_ldap_sasl(
 460     Connection  *conn,
 461     Operation   *op,
 462     ber_int_t   err,
 463     const char  *matched,
 464     const char  *text,
 465         BerVarray ref,
 466         LDAPControl **ctrls,
 467         struct berval *cred
 468 )
 469 {
 470         ber_tag_t tag;
 471         ber_int_t msgid;
 472
 473 #ifdef NEW_LOGGING
 474         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 475                    "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 476                    op->o_connid, err, cred ? cred->bv_len : -1 ));
 477 #else
 478         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 479                 err, cred ? (long) cred->bv_len : -1, NULL );
 480 #endif
 481
 482
 483         tag = req2res( op->o_tag );
 484         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 485
 486         send_ldap_response( conn, op, tag, msgid,
 487                 err, matched, text, ref,
 488                 NULL, NULL, cred, ctrls  );
 489 }
 490
 491 void
 492 send_ldap_extended(
 493     Connection  *conn,
 494     Operation   *op,
 495     ber_int_t   err,
 496     const char  *matched,
 497     const char  *text,
 498     BerVarray   refs,
 499     const char          *rspoid,
 500         struct berval *rspdata,
 501         LDAPControl **ctrls
 502 )
 503 {
 504         ber_tag_t tag;
 505         ber_int_t msgid;
 506
 507 #ifdef NEW_LOGGING
 508         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 509                    "send_ldap_extended: conn %lu         err=%d oid=%s len=%ld\n",
 510                    op->o_connid, err, rspoid ? rspoid : "",
 511                    rspdata != NULL ? rspdata->bv_len : 0 ));
 512 #else
 513         Debug( LDAP_DEBUG_TRACE,
 514                 "send_ldap_extended err=%d oid=%s len=%ld\n",
 515                 err,
 516                 rspoid ? rspoid : "",
 517                 rspdata != NULL ? rspdata->bv_len : 0 );
 518 #endif
 519
 520
 521         tag = req2res( op->o_tag );
 522         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 523
 524         send_ldap_response( conn, op, tag, msgid,
 525                 err, matched, text, refs,
 526                 rspoid, rspdata, NULL, ctrls );
 527 }
 528
 529
 530 void
 531 send_search_result(
 532     Connection  *conn,
 533     Operation   *op,
 534     ber_int_t   err,
 535     const char  *matched,
 536         const char      *text,
 537     BerVarray   refs,
 538         LDAPControl **ctrls,
 539     int         nentries
 540 )
 541 {
 542         ber_tag_t tag;
 543         ber_int_t msgid;
 544         char *tmp = NULL;
 545
 546         assert( !LDAP_API_ERROR( err ) );
 547
 548         if (op->o_callback && op->o_callback->sc_sresult) {
 549                 op->o_callback->sc_sresult(conn, op, err, matched, text, refs,
 550                         ctrls, nentries);
 551                 return;
 552         }
 553
 554 #ifdef NEW_LOGGING
 555         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 556                    "send_search_result: conn %lu err=%d "
 557                    "matched=\"%s\" text=\"%s\"\n",
 558                    op->o_connid, err, matched ? matched : "",
 559                    text ? text : "" ));
 560 #else
 561         Debug( LDAP_DEBUG_TRACE,
 562                 "send_search_result: err=%d matched=\"%s\" text=\"%s\"\n",
 563                 err, matched ?  matched : "", text ? text : "" );
 564 #endif
 565
 566
 567         assert( err != LDAP_PARTIAL_RESULTS );
 568
 569         if( op->o_protocol < LDAP_VERSION3 ) {
 570                 /* send references in search results */
 571                 if( err == LDAP_REFERRAL ) {
 572                         err = LDAP_PARTIAL_RESULTS;
 573                 }
 574
 575                 tmp = v2ref( refs, text );
 576                 text = tmp;
 577                 refs = NULL;
 578
 579         } else {
 580                 /* don't send references in search results */
 581                 assert( refs == NULL );
 582                 refs = NULL;
 583
 584                 if( err == LDAP_REFERRAL ) {
 585                         err = LDAP_SUCCESS;
 586                 }
 587         }
 588
 589         tag = req2res( op->o_tag );
 590         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 591
 592         send_ldap_response( conn, op, tag, msgid,
 593                 err, matched, text, refs,
 594                 NULL, NULL, NULL, ctrls );
 595
 596         {
 597         char nbuf[64];
 598         sprintf( nbuf, "%d nentries=%d", err, nentries );
 599
 600         Statslog( LDAP_DEBUG_STATS,
 601             "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 602                 op->o_connid, op->o_opid, tag, nbuf, text ? text : "" );
 603         }
 604
 605         if (tmp != NULL) {
 606             ch_free(tmp);
 607         }
 608 }
 609
 610 static struct berval AllUser = { sizeof(LDAP_ALL_USER_ATTRIBUTES)-1,
 611         LDAP_ALL_USER_ATTRIBUTES };
 612 static struct berval AllOper = { sizeof(LDAP_ALL_OPERATIONAL_ATTRIBUTES)-1,
 613         LDAP_ALL_OPERATIONAL_ATTRIBUTES };
 614
 615 int
 616 send_search_entry(
 617     Backend     *be,
 618     Connection  *conn,
 619     Operation   *op,
 620     Entry       *e,
 621     AttributeName       *attrs,
 622     int         attrsonly,
 623         LDAPControl **ctrls
 624 )
 625 {
 626         char            berbuf[256];
 627         BerElement      *ber = (BerElement *)berbuf;
 628         Attribute       *a, *aa;
 629         int             i, j, rc=-1, bytes;
 630         char            *edn;
 631         int             userattrs;
 632         int             opattrs;
 633         static AccessControlState acl_state_init = ACL_STATE_INIT;
 634         AccessControlState acl_state;
 635
 636         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 637
 638         /* a_flags: array of flags telling if the i-th element will be
 639          *          returned or filtered out
 640          * e_flags: array of a_flags
 641          */
 642         char *a_flags, **e_flags;
 643
 644         if (op->o_callback && op->o_callback->sc_sendentry) {
 645                 return op->o_callback->sc_sendentry( be, conn, op, e, attrs,
 646                         attrsonly, ctrls );
 647         }
 648
 649 #ifdef NEW_LOGGING
 650         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 651                    "send_search_entry: conn %lu dn=\"%s\"%s\n",
 652                    op->o_connid, e->e_dn,
 653                    attrsonly ? " (attrsOnly)" : "" ));
 654 #else
 655         Debug( LDAP_DEBUG_TRACE,
 656                 "=> send_search_entry: dn=\"%s\"%s\n",
 657                 e->e_dn, attrsonly ? " (attrsOnly)" : "", 0 );
 658 #endif
 659
 660         if ( ! access_allowed( be, conn, op, e,
 661                 ad_entry, NULL, ACL_READ, NULL ) )
 662         {
 663 #ifdef NEW_LOGGING
 664                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 665                            "send_search_entry: conn %lu access "
 666                            "to entry (%s) not allowed\n",
 667                            op->o_connid, e->e_dn ));
 668 #else
 669                 Debug( LDAP_DEBUG_ACL,
 670                         "send_search_entry: access to entry not allowed\n",
 671                     0, 0, 0 );
 672 #endif
 673
 674                 return( 1 );
 675         }
 676
 677         edn = e->e_ndn;
 678
 679         ber_init_w_nullc( ber, LBER_USE_DER );
 680
 681 #ifdef LDAP_CONNECTIONLESS
 682         if (conn->c_is_udp) {
 683             rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
 684             if (rc != sizeof(struct sockaddr)) {
 685 #ifdef NEW_LOGGING
 686                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 687                            "send_search_entry: conn %lu  ber_printf failed\n",
 688                            conn ? conn->c_connid : 0 ));
 689 #else
 690                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 691 #endif
 692                 ber_free_buf( ber );
 693                 return;
 694             }
 695         }
 696         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 697             rc = ber_printf( ber, "{is{t{O{" /*}}}*/,
 698                 op->o_msgid, "", LDAP_RES_SEARCH_ENTRY, &e->e_name );
 699         } else
 700 #endif /* LDAP_CONNECTIONLESS */
 701         {
 702             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 703                 LDAP_RES_SEARCH_ENTRY, &e->e_name );
 704         }
 705
 706         if ( rc == -1 ) {
 707 #ifdef NEW_LOGGING
 708                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 709                            "send_search_entry: conn %lu  ber_printf failed\n",
 710                            op->o_connid ));
 711 #else
 712                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 713 #endif
 714
 715                 ber_free_buf( ber );
 716                 send_ldap_result( conn, op, LDAP_OTHER,
 717                     NULL, "encoding DN error", NULL, NULL );
 718                 goto error_return;
 719         }
 720
 721         /* check for special all user attributes ("*") type */
 722         userattrs = ( attrs == NULL ) ? 1
 723                 : an_find( attrs, &AllUser );
 724
 725         /* check for special all operational attributes ("+") type */
 726         opattrs = ( attrs == NULL ) ? 0
 727                 : an_find( attrs, &AllOper );
 728
 729         /* create an array of arrays of flags. Each flag corresponds
 730          * to particular value of attribute and equals 1 if value matches
 731          * to ValuesReturnFilter or 0 if not
 732          */
 733         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next ) i++;
 734         e_flags = ch_malloc ( i * sizeof(a_flags) );
 735
 736         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 737                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 738
 739                 if( j ) {
 740                         a_flags = ch_calloc ( j, sizeof(char) );
 741                         /* If no ValuesReturnFilter control return everything */
 742                         if ( op->vrFilter == NULL ) {
 743                                 memset(a_flags, 1, j);
 744                         }
 745                 } else {
 746                         a_flags = NULL;
 747                 }
 748                 e_flags[i] = a_flags;
 749         }
 750
 751         if ( op->vrFilter != NULL ) {
 752                 rc = filter_matched_values(be, conn, op, e->e_attrs, &e_flags) ;
 753
 754                 if ( rc == -1 ) {
 755 #ifdef NEW_LOGGING
 756                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 757                                 "send_search_entry: conn %lu "
 758                                 "matched values filtering failed\n",
 759                                 conn ? conn->c_connid : 0 ));
 760 #else
 761                 Debug( LDAP_DEBUG_ANY,
 762                                 "matched values filtering failed\n", 0, 0, 0 );
 763 #endif
 764                         ber_free( ber, 1 );
 765
 766                         /* free e_flags */
 767                         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 768                                 free( e_flags[i] );
 769                         }
 770                         free( e_flags );
 771
 772                         send_ldap_result( conn, op, LDAP_OTHER,
 773                                 NULL, "matched values filtering error",
 774                                 NULL, NULL );
 775                         goto error_return;
 776                 }
 777         }
 778
 779         for ( a = e->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 780                 AttributeDescription *desc = a->a_desc;
 781
 782                 if ( attrs == NULL ) {
 783                         /* all attrs request, skip operational attributes */
 784                         if( is_at_operational( desc->ad_type ) ) {
 785                                 continue;
 786                         }
 787
 788                 } else {
 789                         /* specific attrs requested */
 790                         if ( is_at_operational( desc->ad_type ) ) {
 791                                 if( !opattrs && !ad_inlist( desc, attrs ) ) {
 792                                         continue;
 793                                 }
 794
 795                         } else {
 796                                 if (!userattrs && !ad_inlist( desc, attrs ) ) {
 797                                         continue;
 798                                 }
 799                         }
 800                 }
 801
 802                 acl_state = acl_state_init;
 803
 804                 if ( ! access_allowed( be, conn, op, e, desc, NULL,
 805                         ACL_READ, &acl_state ) )
 806                 {
 807 #ifdef NEW_LOGGING
 808                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO, "send_search_entry: "
 809                                 "conn %lu  access to attribute %s "
 810                                 "not allowed\n",
 811                                 op->o_connid, desc->ad_cname.bv_val ));
 812 #else
 813                         Debug( LDAP_DEBUG_ACL, "acl: "
 814                                 "access to attribute %s not allowed\n",
 815                             desc->ad_cname.bv_val, 0, 0 );
 816 #endif
 817                         continue;
 818                 }
 819
 820                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 821 #ifdef NEW_LOGGING
 822                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 823                                 "send_search_entry: "
 824                                 "conn %lu  ber_printf failed\n",
 825                                 op->o_connid ));
 826 #else
 827                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 828 #endif
 829
 830                         ber_free_buf( ber );
 831                         /* free e_flags */
 832                         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 833                                 free( e_flags[i] );
 834                         }
 835                         free( e_flags );
 836                         send_ldap_result( conn, op, LDAP_OTHER,
 837                             NULL, "encoding description error", NULL, NULL );
 838                         goto error_return;
 839                 }
 840
 841                 if ( ! attrsonly ) {
 842                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 843                                 if ( ! access_allowed( be, conn, op, e,
 844                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 845                                 {
 846 #ifdef NEW_LOGGING
 847                                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 848                                                 "send_search_entry: conn %lu "
 849                                                 "access to attribute %s, "
 850                                                 "value %d not allowed\n",
 851                                                 op->o_connid,
 852                                                 desc->ad_cname.bv_val, i ));
 853 #else
 854                                         Debug( LDAP_DEBUG_ACL,
 855                                                 "acl: access to attribute %s, "
 856                                                 "value %d not allowed\n",
 857                                                 desc->ad_cname.bv_val, i, 0 );
 858 #endif
 859
 860                                         continue;
 861                                 }
 862
 863                                 if ( e_flags[j][i] == 0 ){
 864                                         continue;
 865                                 }
 866
 867                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 868 #ifdef NEW_LOGGING
 869                                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 870                                                 "send_search_entry: conn %lu  "
 871                                                 "ber_printf failed.\n",
 872                                                 op->o_connid ));
 873 #else
 874                                         Debug( LDAP_DEBUG_ANY,
 875                                             "ber_printf failed\n", 0, 0, 0 );
 876 #endif
 877
 878                                         ber_free_buf( ber );
 879                                         /* free e_flags */
 880                                         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 881                                                 free( e_flags[i] );
 882                                         }
 883                                         free( e_flags );
 884                                         send_ldap_result( conn, op, LDAP_OTHER,
 885                                                 NULL, "encoding values error",
 886                                                 NULL, NULL );
 887                                         goto error_return;
 888                                 }
 889                         }
 890                 }
 891
 892                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 893 #ifdef NEW_LOGGING
 894                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 895                                 "send_search_entry: conn %lu  "
 896                                 "ber_printf failed\n",
 897                                 op->o_connid ));
 898 #else
 899                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 900 #endif
 901
 902                         ber_free_buf( ber );
 903                         /* free e_flags */
 904                         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 905                                 free( e_flags[i] );
 906                         }
 907                         free( e_flags );
 908                         send_ldap_result( conn, op, LDAP_OTHER,
 909                             NULL, "encode end error", NULL, NULL );
 910                         goto error_return;
 911                 }
 912         }
 913
 914         /* free e_flags */
 915         for ( a = e->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 916                 free( e_flags[i] );
 917         }
 918         free( e_flags );
 919
 920         /* eventually will loop through generated operational attributes */
 921         /* only have subschemaSubentry implemented */
 922         aa = backend_operational( be, conn, op, e, attrs, opattrs );
 923
 924         for ( a = aa, i=0; a != NULL; a = a->a_next ) i++;
 925         e_flags = ch_malloc ( i * sizeof(a_flags) );
 926
 927         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 928                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 929
 930                 a_flags = ch_calloc ( j, sizeof(char) );
 931                 /* If no ValuesReturnFilter control return everything */
 932                 if ( op->vrFilter == NULL ){
 933                     memset(a_flags, 1, j);
 934                 }
 935                 e_flags[i] = a_flags;
 936         }
 937
 938         if ( op->vrFilter != NULL ) {
 939                 rc = filter_matched_values(be, conn, op, aa, &e_flags) ;
 940
 941                 if ( rc == -1 ) {
 942 #ifdef NEW_LOGGING
 943                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 944                                 "send_search_entry: conn %lu "
 945                                 "matched values filtering failed\n",
 946                                 conn ? conn->c_connid : 0 ));
 947 #else
 948                 Debug( LDAP_DEBUG_ANY,
 949                                 "matched values filtering failed\n", 0, 0, 0 );
 950 #endif
 951                         ber_free( ber, 1 );
 952
 953                         /* free e_flags */
 954                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 955                                 free( e_flags[i] );
 956                         }
 957                         free( e_flags );
 958
 959                         send_ldap_result( conn, op, LDAP_OTHER,
 960                                 NULL, "matched values filtering error",
 961                                 NULL, NULL );
 962                         goto error_return;
 963                 }
 964         }
 965
 966         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
 967                 AttributeDescription *desc = a->a_desc;
 968
 969                 if ( attrs == NULL ) {
 970                         /* all attrs request, skip operational attributes */
 971                         if( is_at_operational( desc->ad_type ) ) {
 972                                 continue;
 973                         }
 974
 975                 } else {
 976                         /* specific attrs requested */
 977                         if( is_at_operational( desc->ad_type ) ) {
 978                                 if( !opattrs && !ad_inlist( desc, attrs ) ) {
 979                                         continue;
 980                                 }
 981                         } else {
 982                                 if (!userattrs && !ad_inlist( desc, attrs ) )
 983                                 {
 984                                         continue;
 985                                 }
 986                         }
 987                 }
 988
 989                 acl_state = acl_state_init;
 990
 991                 if ( ! access_allowed( be, conn, op, e, desc, NULL,
 992                         ACL_READ, &acl_state ) )
 993                 {
 994 #ifdef NEW_LOGGING
 995                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 996                                 "send_search_entry: conn %lu "
 997                                 "access to attribute %s not allowed\n",
 998                                 op->o_connid, desc->ad_cname.bv_val ));
 999 #else
1000                         Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s "
1001                                         "not allowed\n",
1002                                         desc->ad_cname.bv_val, 0, 0 );
1003 #endif
1004
1005                         continue;
1006                 }
1007
1008                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1009                 if ( rc == -1 ) {
1010 #ifdef NEW_LOGGING
1011                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1012                                 "send_search_entry: conn %lu  "
1013                                 "ber_printf failed\n",
1014                                 op->o_connid ));
1015 #else
1016                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1017 #endif
1018
1019                         ber_free_buf( ber );
1020                         send_ldap_result( conn, op, LDAP_OTHER,
1021                             NULL, "encoding description error", NULL, NULL );
1022                         /* free e_flags */
1023                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1024                                 free( e_flags[i] );
1025                         }
1026                         free( e_flags );
1027
1028                         attrs_free( aa );
1029                         goto error_return;
1030                 }
1031
1032                 if ( ! attrsonly ) {
1033                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1034                                 if ( ! access_allowed( be, conn, op, e,
1035                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1036                                 {
1037 #ifdef NEW_LOGGING
1038                                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1039                                                 "send_search_entry: conn %lu "
1040                                                 "access to %s, value %d "
1041                                                 "not allowed\n",
1042                                                 op->o_connid,
1043                                                 desc->ad_cname.bv_val, i ));
1044 #else
1045                                         Debug( LDAP_DEBUG_ACL,
1046                                                 "acl: access to attribute %s, "
1047                                                 "value %d not allowed\n",
1048                                                 desc->ad_cname.bv_val, i, 0 );
1049 #endif
1050
1051                                         continue;
1052                                 }
1053
1054                                 if ( e_flags[j][i] == 0 ){
1055                                         continue;
1056                                 }
1057
1058                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1059 #ifdef NEW_LOGGING
1060                                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1061                                                    "send_search_entry: "
1062                                                    "conn %lu  ber_printf "
1063                                                    "failed\n",
1064                                                    op->o_connid ));
1065 #else
1066                                         Debug( LDAP_DEBUG_ANY,
1067                                             "ber_printf failed\n", 0, 0, 0 );
1068 #endif
1069
1070                                         ber_free_buf( ber );
1071                                         send_ldap_result( conn, op, LDAP_OTHER,
1072                                                 NULL, "encoding values error",
1073                                                 NULL, NULL );
1074                                         /* free e_flags */
1075                                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1076                                                 free( e_flags[i] );
1077                                         }
1078                                         free( e_flags );
1079
1080                                         attrs_free( aa );
1081                                         goto error_return;
1082                                 }
1083                         }
1084                 }
1085
1086                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1087 #ifdef NEW_LOGGING
1088                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1089                                    "send_search_entry: conn %lu  "
1090                                    "ber_printf failed\n",
1091                                    op->o_connid ));
1092 #else
1093                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1094 #endif
1095
1096                         ber_free_buf( ber );
1097                         send_ldap_result( conn, op, LDAP_OTHER,
1098                             NULL, "encode end error", NULL, NULL );
1099                         /* free e_flags */
1100                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1101                                 free( e_flags[i] );
1102                         }
1103                         free( e_flags );
1104
1105                         attrs_free( aa );
1106                         goto error_return;
1107                 }
1108         }
1109
1110         /* free e_flags */
1111         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1112                 free( e_flags[i] );
1113         }
1114         free( e_flags );
1115
1116         attrs_free( aa );
1117         rc = ber_printf( ber, /*{{{*/ "}N}N}" );
1118
1119 #ifdef LDAP_CONNECTIONLESS
1120         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1)
1121                 rc = ber_printf( ber, "}" );
1122 #endif
1123         if ( rc == -1 ) {
1124 #ifdef NEW_LOGGING
1125                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1126                            "send_search_entry: conn %lu ber_printf failed\n",
1127                            op->o_connid ));
1128 #else
1129                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1130 #endif
1131
1132                 ber_free_buf( ber );
1133                 send_ldap_result( conn, op, LDAP_OTHER,
1134                         NULL, "encode entry end error", NULL, NULL );
1135                 return( 1 );
1136         }
1137
1138         bytes = send_ldap_ber( conn, ber );
1139         ber_free_buf( ber );
1140
1141         if ( bytes < 0 ) {
1142 #ifdef NEW_LOGGING
1143                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1144                            "send_search_entry: conn %lu  ber write failed.\n",
1145                            op->o_connid ));
1146 #else
1147                 Debug( LDAP_DEBUG_ANY,
1148                         "send_search_entry: ber write failed\n",
1149                         0, 0, 0 );
1150 #endif
1151
1152                 return -1;
1153         }
1154
1155         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1156         num_bytes_sent += bytes;
1157         num_entries_sent++;
1158         num_pdu_sent++;
1159         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1160
1161         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1162             conn->c_connid, op->o_opid, e->e_dn, 0, 0 );
1163
1164 #ifdef NEW_LOGGING
1165         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1166                    "send_search_entry: conn %lu exit.\n",
1167                    op->o_connid ));
1168 #else
1169         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1170 #endif
1171
1172         rc = 0;
1173
1174 error_return:;
1175         return( rc );
1176 }
1177
1178 int
1179 send_search_reference(
1180     Backend     *be,
1181     Connection  *conn,
1182     Operation   *op,
1183     Entry       *e,
1184         BerVarray refs,
1185         LDAPControl **ctrls,
1186     BerVarray *v2refs
1187 )
1188 {
1189         char            berbuf[256];
1190         BerElement      *ber = (BerElement *)berbuf;
1191         int rc;
1192         int bytes;
1193
1194         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1195         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1196
1197 #ifdef NEW_LOGGING
1198         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1199                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1200                 op->o_connid, e->e_dn ));
1201 #else
1202         Debug( LDAP_DEBUG_TRACE,
1203                 "=> send_search_reference: dn=\"%s\"\n",
1204                 e->e_dn, 0, 0 );
1205 #endif
1206
1207
1208         if ( ! access_allowed( be, conn, op, e,
1209                 ad_entry, NULL, ACL_READ, NULL ) )
1210         {
1211 #ifdef NEW_LOGGING
1212                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1213                         "send_search_reference: conn %lu        "
1214                         "access to entry %s not allowed\n",
1215                         op->o_connid, e->e_dn ));
1216 #else
1217                 Debug( LDAP_DEBUG_ACL,
1218                         "send_search_reference: access to entry not allowed\n",
1219                     0, 0, 0 );
1220 #endif
1221
1222                 return( 1 );
1223         }
1224
1225         if ( ! access_allowed( be, conn, op, e,
1226                 ad_ref, NULL, ACL_READ, NULL ) )
1227         {
1228 #ifdef NEW_LOGGING
1229                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1230                         "send_search_reference: conn %lu access "
1231                         "to reference not allowed.\n",
1232                         op->o_connid ));
1233 #else
1234                 Debug( LDAP_DEBUG_ACL,
1235                         "send_search_reference: access "
1236                         "to reference not allowed\n",
1237                     0, 0, 0 );
1238 #endif
1239
1240                 return( 1 );
1241         }
1242
1243         if( refs == NULL ) {
1244 #ifdef NEW_LOGGING
1245                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1246                         "send_search_reference: conn %lu null ref in (%s).\n",
1247                         op->o_connid, e->e_dn ));
1248 #else
1249                 Debug( LDAP_DEBUG_ANY,
1250                         "send_search_reference: null ref in (%s)\n",
1251                         e->e_dn, 0, 0 );
1252 #endif
1253
1254                 return( 1 );
1255         }
1256
1257         if( op->o_protocol < LDAP_VERSION3 ) {
1258                 /* save the references for the result */
1259                 if( refs[0].bv_val != NULL ) {
1260                         value_add( v2refs, refs );
1261                 }
1262                 return 0;
1263         }
1264
1265         ber_init_w_nullc( ber, LBER_USE_DER );
1266
1267         rc = ber_printf( ber, "{it{W}N}", op->o_msgid,
1268                 LDAP_RES_SEARCH_REFERENCE, refs );
1269
1270         if ( rc == -1 ) {
1271 #ifdef NEW_LOGGING
1272                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1273                         "send_search_reference: conn %lu        "
1274                         "ber_printf failed.\n",
1275                         op->o_connid ));
1276 #else
1277                 Debug( LDAP_DEBUG_ANY,
1278                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1279 #endif
1280
1281                 ber_free_buf( ber );
1282                 send_ldap_result( conn, op, LDAP_OTHER,
1283                         NULL, "encode DN error", NULL, NULL );
1284                 return -1;
1285         }
1286
1287         bytes = send_ldap_ber( conn, ber );
1288         ber_free_buf( ber );
1289
1290         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1291         num_bytes_sent += bytes;
1292         num_refs_sent++;
1293         num_pdu_sent++;
1294         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1295
1296         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1297                 conn->c_connid, op->o_opid, e->e_dn, 0, 0 );
1298
1299 #ifdef NEW_LOGGING
1300         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1301                 "send_search_reference: conn %lu exit.\n", op->o_connid ));
1302 #else
1303         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1304 #endif
1305
1306         return 0;
1307 }
1308
1309
1310 int
1311 str2result(
1312     char        *s,
1313     int         *code,
1314     char        **matched,
1315     char        **info
1316 )
1317 {
1318         int     rc;
1319         char    *c;
1320
1321         *code = LDAP_SUCCESS;
1322         *matched = NULL;
1323         *info = NULL;
1324
1325         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1326 #ifdef NEW_LOGGING
1327                 LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
1328                            "str2result: (%s), expecting \"RESULT\"\n", s ));
1329 #else
1330                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1331                     s, 0, 0 );
1332 #endif
1333
1334                 return( -1 );
1335         }
1336
1337         rc = 0;
1338         while ( (s = strchr( s, '\n' )) != NULL ) {
1339                 *s++ = '\0';
1340                 if ( *s == '\0' ) {
1341                         break;
1342                 }
1343                 if ( (c = strchr( s, ':' )) != NULL ) {
1344                         c++;
1345                 }
1346
1347                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1348                         if ( c != NULL ) {
1349                                 *code = atoi( c );
1350                         }
1351                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1352                         if ( c != NULL ) {
1353                                 *matched = c;
1354                         }
1355                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1356                         if ( c != NULL ) {
1357                                 *info = c;
1358                         }
1359                 } else {
1360 #ifdef NEW_LOGGING
1361                         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
1362                                 "str2result: (%s) unknown.\n", s ));
1363 #else
1364                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1365                             s, 0, 0 );
1366 #endif
1367
1368                         rc = -1;
1369                 }
1370         }
1371
1372         return( rc );
1373 }