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 1998-2003 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.h"
  42 #endif
  43
  44 int slap_null_cb( Operation *op, SlapReply *rs )
  45 {
  46         return 0;
  47 }
  48
  49 static char *v2ref( BerVarray ref, const char *text )
  50 {
  51         size_t len = 0, i = 0;
  52         char *v2;
  53
  54         if(ref == NULL) {
  55                 if (text) {
  56                         return ch_strdup(text);
  57                 } else {
  58                         return NULL;
  59                 }
  60         }
  61
  62         if ( text != NULL ) {
  63                 len = strlen( text );
  64                 if (text[len-1] != '\n') {
  65                     i = 1;
  66                 }
  67         }
  68
  69         v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
  70         if( v2 == NULL ) {
  71 #ifdef NEW_LOGGING
  72                 LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  73 #else
  74                 Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  75 #endif
  76                 return NULL;
  77         }
  78
  79         if( text != NULL ) {
  80                 strcpy(v2, text);
  81                 if( i ) {
  82                         v2[len++] = '\n';
  83                 }
  84         }
  85         strcpy( v2+len, "Referral:" );
  86         len += sizeof("Referral:");
  87
  88         for( i=0; ref[i].bv_val != NULL; i++ ) {
  89                 v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
  90                 if( v2 == NULL ) {
  91 #ifdef NEW_LOGGING
  92                         LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  93 #else
  94                         Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  95 #endif
  96                         return NULL;
  97                 }
  98                 v2[len-1] = '\n';
  99                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
 100                 len += ref[i].bv_len;
 101                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
 102                         ++len;
 103                 }
 104         }
 105
 106         v2[len-1] = '\0';
 107         return v2;
 108 }
 109
 110 static ber_tag_t req2res( ber_tag_t tag )
 111 {
 112         switch( tag ) {
 113         case LDAP_REQ_ADD:
 114         case LDAP_REQ_BIND:
 115         case LDAP_REQ_COMPARE:
 116         case LDAP_REQ_EXTENDED:
 117         case LDAP_REQ_MODIFY:
 118         case LDAP_REQ_MODRDN:
 119                 tag++;
 120                 break;
 121
 122         case LDAP_REQ_DELETE:
 123                 tag = LDAP_RES_DELETE;
 124                 break;
 125
 126         case LDAP_REQ_ABANDON:
 127         case LDAP_REQ_UNBIND:
 128                 tag = LBER_SEQUENCE;
 129                 break;
 130
 131         case LDAP_REQ_SEARCH:
 132                 tag = LDAP_RES_SEARCH_RESULT;
 133                 break;
 134
 135         default:
 136                 tag = LBER_SEQUENCE;
 137         }
 138
 139         return tag;
 140 }
 141
 142 static long send_ldap_ber(
 143         Connection *conn,
 144         BerElement *ber )
 145 {
 146         ber_len_t bytes;
 147
 148         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 149
 150         /* write only one pdu at a time - wait til it's our turn */
 151         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 152
 153         /* lock the connection */
 154         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 155
 156         /* write the pdu */
 157         while( 1 ) {
 158                 int err;
 159                 ber_socket_t    sd;
 160
 161                 if ( connection_state_closing( conn ) ) {
 162                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 163                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 164
 165                         return 0;
 166                 }
 167
 168                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 169                         break;
 170                 }
 171
 172                 err = errno;
 173
 174                 /*
 175                  * we got an error.  if it's ewouldblock, we need to
 176                  * wait on the socket being writable.  otherwise, figure
 177                  * it's a hard error and return.
 178                  */
 179
 180 #ifdef NEW_LOGGING
 181                 LDAP_LOG( OPERATION, ERR,
 182                         "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
 183                         conn ? conn->c_connid : 0, err, sock_errstr(err) );
 184 #else
 185                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 186                     err, sock_errstr(err), 0 );
 187 #endif
 188
 189                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 190                         connection_closing( conn );
 191
 192                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 193                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 194
 195                         return( -1 );
 196                 }
 197
 198                 /* wait for socket to be write-ready */
 199                 conn->c_writewaiter = 1;
 200                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 201                 slapd_set_write( sd, 1 );
 202
 203                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 204                 conn->c_writewaiter = 0;
 205         }
 206
 207         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 208         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 209
 210         return bytes;
 211 }
 212
 213 static int
 214 send_ldap_control( BerElement *ber, LDAPControl *c )
 215 {
 216         int rc;
 217
 218         assert( c != NULL );
 219
 220         rc = ber_printf( ber, "{s" /*}*/, c->ldctl_oid );
 221
 222         if( c->ldctl_iscritical ) {
 223                 rc = ber_printf( ber, "b",
 224                         (ber_int_t) c->ldctl_iscritical ) ;
 225                 if( rc == -1 ) return rc;
 226         }
 227
 228         if( c->ldctl_value.bv_val != NULL ) {
 229                 rc = ber_printf( ber, "O", &c->ldctl_value );
 230                 if( rc == -1 ) return rc;
 231         }
 232
 233         rc = ber_printf( ber, /*{*/"N}" );
 234         if( rc == -1 ) return rc;
 235
 236         return 0;
 237 }
 238
 239 static int
 240 send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 241 {
 242         int rc;
 243 #ifdef LDAP_SLAPI
 244         LDAPControl **sctrls = NULL;
 245
 246         /*
 247          * Retrieve any additional controls that may be set by the
 248          * plugin.
 249          */
 250
 251         if ( slapi_pblock_get( o->o_pb, SLAPI_RESCONTROLS, &sctrls ) != 0 ) {
 252                 sctrls = NULL;
 253         }
 254
 255         if ( c == NULL && sctrls == NULL ) return 0;
 256 #else
 257         if( c == NULL ) return 0;
 258 #endif /* LDAP_SLAPI */
 259
 260         rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
 261         if( rc == -1 ) return rc;
 262
 263 #ifdef LDAP_SLAPI
 264         if ( c != NULL )
 265 #endif /* LDAP_SLAPI */
 266         for( ; *c != NULL; c++) {
 267                 rc = send_ldap_control( ber, *c );
 268                 if( rc == -1 ) return rc;
 269         }
 270
 271 #ifdef LDAP_SLAPI
 272         if ( sctrls != NULL ) {
 273                 for ( c = sctrls; *c != NULL; c++ ) {
 274                         rc = send_ldap_control( ber, *c );
 275                         if( rc == -1 ) return rc;
 276                 }
 277         }
 278 #endif /* LDAP_SLAPI */
 279
 280         rc = ber_printf( ber, /*{*/"N}" );
 281
 282         return rc;
 283 }
 284
 285 void
 286 send_ldap_response(
 287         Operation *op,
 288         SlapReply *rs )
 289 {
 290         BerElementBuffer berbuf;
 291         BerElement      *ber = (BerElement *) &berbuf;
 292         int             rc = LDAP_SUCCESS;
 293         long    bytes;
 294
 295         if (op->o_callback) {
 296                 slap_callback *sc = op->o_callback;
 297                 rc = SLAP_CB_CONTINUE;
 298                 for ( ; op->o_callback; ) {
 299                         if ( op->o_callback->sc_response ) {
 300                                 rc = op->o_callback->sc_response( op, rs );
 301                                 if ( rc != SLAP_CB_CONTINUE ) break;
 302                         }
 303                         op->o_callback = op->o_callback->sc_next;
 304                 }
 305                 op->o_callback = sc;
 306                 if ( rc != SLAP_CB_CONTINUE ) goto cleanup;
 307         }
 308
 309 #ifdef LDAP_CONNECTIONLESS
 310         if (op->o_conn && op->o_conn->c_is_udp)
 311                 ber = op->o_res_ber;
 312         else
 313 #endif
 314         {
 315                 ber_init_w_nullc( ber, LBER_USE_DER );
 316                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 317         }
 318
 319 #ifdef NEW_LOGGING
 320         LDAP_LOG( OPERATION, ENTRY,
 321                 "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
 322                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 323 #else
 324         Debug( LDAP_DEBUG_TRACE,
 325                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 326                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 327 #endif
 328
 329         if( rs->sr_ref ) {
 330 #ifdef NEW_LOGGING
 331                 LDAP_LOG( OPERATION, ARGS,
 332                         "send_ldap_response: conn %lu  ref=\"%s\"\n",
 333                         op->o_connid,
 334                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
 335 #else
 336                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 337                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 338                         NULL, NULL );
 339 #endif
 340         }
 341
 342 #ifdef LDAP_CONNECTIONLESS
 343         if (op->o_conn && op->o_conn->c_is_udp &&
 344                 op->o_protocol == LDAP_VERSION2 )
 345         {
 346                 rc = ber_printf( ber, "t{ess" /*"}}"*/,
 347                         rs->sr_tag, rs->sr_err,
 348                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 349                 rs->sr_text == NULL ? "" : rs->sr_text );
 350         } else
 351 #endif
 352         if ( rs->sr_type == REP_INTERMEDIATE ) {
 353             rc = ber_printf( ber, "{it{" /*"}}"*/,
 354                         rs->sr_msgid, rs->sr_tag );
 355
 356         } else {
 357             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 358                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 359                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 360                 rs->sr_text == NULL ? "" : rs->sr_text );
 361         }
 362
 363         if( rc != -1 ) {
 364                 if ( rs->sr_ref != NULL ) {
 365                         assert( rs->sr_err == LDAP_REFERRAL );
 366                         rc = ber_printf( ber, "t{W}",
 367                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 368                 } else {
 369                         assert( rs->sr_err != LDAP_REFERRAL );
 370                 }
 371         }
 372
 373         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 374                 rc = ber_printf( ber, "tO",
 375                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 376         }
 377
 378         if( rc != -1 &&
 379                 ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
 380         {
 381                 if ( rs->sr_rspoid != NULL ) {
 382                         rc = ber_printf( ber, "ts",
 383                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 384                 }
 385                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 386                         rc = ber_printf( ber, "tO",
 387                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 388                 }
 389         }
 390
 391         if( rc != -1 ) {
 392                 rc = ber_printf( ber, /*"{"*/ "N}" );
 393         }
 394
 395         if( rc != -1 ) {
 396                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
 397         }
 398
 399         if( rc != -1 ) {
 400                 rc = ber_printf( ber, /*"{"*/ "N}" );
 401         }
 402
 403 #ifdef LDAP_CONNECTIONLESS
 404         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 405                 rc = ber_printf( ber, /*"{"*/ "N}" );
 406         }
 407 #endif
 408
 409         if ( rc == -1 ) {
 410 #ifdef NEW_LOGGING
 411                 LDAP_LOG( OPERATION, ERR,
 412                         "send_ldap_response: conn %lu  ber_printf failed\n",
 413                         op->o_connid, 0, 0 );
 414 #else
 415                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 416 #endif
 417
 418 #ifdef LDAP_CONNECTIONLESS
 419                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 420 #endif
 421                 ber_free_buf( ber );
 422                 goto cleanup;
 423         }
 424
 425         /* send BER */
 426         bytes = send_ldap_ber( op->o_conn, ber );
 427 #ifdef LDAP_CONNECTIONLESS
 428         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 429 #endif
 430         ber_free_buf( ber );
 431
 432         if ( bytes < 0 ) {
 433 #ifdef NEW_LOGGING
 434                 LDAP_LOG( OPERATION, ERR,
 435                         "send_ldap_response: conn %lu ber write failed\n",
 436                         op->o_connid ? op->o_connid : 0, 0, 0 );
 437 #else
 438                 Debug( LDAP_DEBUG_ANY,
 439                         "send_ldap_response: ber write failed\n",
 440                         0, 0, 0 );
 441 #endif
 442
 443                 goto cleanup;
 444         }
 445
 446 #ifdef LDAP_SLAPI
 447         if ( op->o_pb ) {
 448                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 449                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 450                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 451         }
 452 #endif /* LDAP_SLAPI */
 453
 454         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 455         num_bytes_sent += bytes;
 456         num_pdu_sent++;
 457         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 458
 459 cleanup:;
 460         if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
 461                 free( (char *)rs->sr_matched );
 462                 rs->sr_matched = NULL;
 463         }
 464
 465         if (op->o_callback) {
 466                 slap_callback *sc = op->o_callback;
 467                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
 468                         if ( op->o_callback->sc_cleanup ) {
 469                                 op->o_callback->sc_cleanup( op, rs );
 470                         }
 471                 }
 472                 op->o_callback = sc;
 473         }
 474
 475         return;
 476 }
 477
 478
 479 void
 480 send_ldap_disconnect( Operation *op, SlapReply *rs )
 481 {
 482 #define LDAP_UNSOLICITED_ERROR(e) \
 483         (  (e) == LDAP_PROTOCOL_ERROR \
 484         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 485         || (e) == LDAP_UNAVAILABLE )
 486
 487         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 488
 489         rs->sr_type = REP_EXTENDED;
 490
 491 #ifdef NEW_LOGGING
 492         LDAP_LOG( OPERATION, ENTRY,
 493                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 494                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 495 #else
 496         Debug( LDAP_DEBUG_TRACE,
 497                 "send_ldap_disconnect %d:%s\n",
 498                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 499 #endif
 500
 501
 502         if ( op->o_protocol < LDAP_VERSION3 ) {
 503                 rs->sr_rspoid = NULL;
 504                 rs->sr_tag = req2res( op->o_tag );
 505                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 506
 507         } else {
 508                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 509                 rs->sr_tag = LDAP_RES_EXTENDED;
 510                 rs->sr_msgid = 0;
 511         }
 512
 513         send_ldap_response( op, rs );
 514
 515         Statslog( LDAP_DEBUG_STATS,
 516             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 517                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 518 }
 519
 520 void
 521 slap_send_ldap_result( Operation *op, SlapReply *rs )
 522 {
 523         char *tmp = NULL;
 524         const char *otext = rs->sr_text;
 525         BerVarray oref = rs->sr_ref;
 526
 527         rs->sr_type = REP_RESULT;
 528
 529         assert( !LDAP_API_ERROR( rs->sr_err ) && ( rs->sr_err >= 0 ));
 530
 531 #ifdef NEW_LOGGING
 532         LDAP_LOG( OPERATION, ENTRY,
 533                 "send_ldap_result: conn %lu op=%lu p=%d\n",
 534                 op->o_connid, op->o_opid, op->o_protocol );
 535 #else
 536         Debug( LDAP_DEBUG_TRACE,
 537                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 538                 op->o_connid, op->o_opid, op->o_protocol );
 539 #endif
 540
 541 #ifdef NEW_LOGGING
 542         LDAP_LOG( OPERATION, ARGS,
 543                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 544                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 545                 rs->sr_text ? rs->sr_text : "" );
 546 #else
 547         Debug( LDAP_DEBUG_ARGS,
 548                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 549                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 550                 rs->sr_text ? rs->sr_text : "" );
 551 #endif
 552
 553
 554         if( rs->sr_ref ) {
 555 #ifdef NEW_LOGGING
 556                 LDAP_LOG( OPERATION, ARGS,
 557                         "send_ldap_result: referral=\"%s\"\n",
 558                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 559 #else
 560                 Debug( LDAP_DEBUG_ARGS,
 561                         "send_ldap_result: referral=\"%s\"\n",
 562                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 563                         NULL, NULL );
 564 #endif
 565         }
 566
 567         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 568
 569         if ( rs->sr_err == LDAP_REFERRAL ) {
 570 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 571                 if( op->o_domain_scope ) {
 572                         rs->sr_ref = NULL;
 573                 }
 574 #endif
 575                 if( rs->sr_ref == NULL ) {
 576                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 577                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 578                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 579                 }
 580         }
 581
 582 #ifdef LDAP_SLAPI
 583         /*
 584          * Call pre-result plugins. To avoid infinite recursion plugins
 585          * should just set SLAPI_RESULT_CODE rather than sending a
 586          * result if they wish to change the result.
 587          */
 588         if ( op->o_pb ) {
 589                 slapi_int_pblock_set_operation( op->o_pb, op );
 590                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 591                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 592                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 593
 594                 (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN, op->o_pb );
 595         }
 596 #endif /* LDAP_SLAPI */
 597
 598         if ( op->o_protocol < LDAP_VERSION3 ) {
 599                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 600                 rs->sr_text = tmp;
 601                 rs->sr_ref = NULL;
 602         }
 603
 604         rs->sr_tag = req2res( op->o_tag );
 605         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 606
 607         send_ldap_response( op, rs );
 608
 609         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 610                 char nbuf[64];
 611                 snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 612                         rs->sr_err, rs->sr_nentries );
 613
 614                 Statslog( LDAP_DEBUG_STATS,
 615                 "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 616                         op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 617                         rs->sr_text ? rs->sr_text : "" );
 618         } else {
 619                 Statslog( LDAP_DEBUG_STATS,
 620                         "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 621                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 622                         rs->sr_text ? rs->sr_text : "" );
 623         }
 624
 625         if( tmp != NULL ) ch_free(tmp);
 626         rs->sr_text = otext;
 627         rs->sr_ref = oref;
 628 }
 629
 630 void
 631 send_ldap_sasl( Operation *op, SlapReply *rs )
 632 {
 633         rs->sr_type = REP_SASL;
 634 #ifdef NEW_LOGGING
 635         LDAP_LOG( OPERATION, ENTRY,
 636                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 637                 op->o_connid, rs->sr_err,
 638                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 639 #else
 640         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 641                 rs->sr_err,
 642                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 643 #endif
 644
 645         rs->sr_tag = req2res( op->o_tag );
 646         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 647
 648         send_ldap_response( op, rs );
 649 }
 650
 651 void
 652 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 653 {
 654         rs->sr_type = REP_EXTENDED;
 655
 656 #ifdef NEW_LOGGING
 657         LDAP_LOG( OPERATION, ENTRY,
 658                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 659                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 660                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 661 #else
 662         Debug( LDAP_DEBUG_TRACE,
 663                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 664                 rs->sr_err,
 665                 rs->sr_rspoid ? rs->sr_rspoid : "",
 666                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 667 #endif
 668
 669         rs->sr_tag = req2res( op->o_tag );
 670         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 671
 672         send_ldap_response( op, rs );
 673 }
 674
 675 void
 676 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 677 {
 678         rs->sr_type = REP_INTERMEDIATE;
 679 #ifdef NEW_LOGGING
 680         LDAP_LOG( OPERATION, ENTRY,
 681                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 682                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 683                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 684 #else
 685         Debug( LDAP_DEBUG_TRACE,
 686                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 687                 rs->sr_err,
 688                 rs->sr_rspoid ? rs->sr_rspoid : "",
 689                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 690 #endif
 691         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 692         rs->sr_msgid = op->o_msgid;
 693         send_ldap_response( op, rs );
 694 }
 695
 696 int
 697 slap_send_search_entry( Operation *op, SlapReply *rs )
 698 {
 699         BerElementBuffer berbuf;
 700         BerElement      *ber = (BerElement *) &berbuf;
 701         Attribute       *a, *aa;
 702         int             i, j, rc=-1, bytes;
 703         char            *edn;
 704         int             userattrs;
 705         int             opattrs;
 706         AccessControlState acl_state = ACL_STATE_INIT;
 707 #ifdef LDAP_SLAPI
 708         /* Support for computed attribute plugins */
 709         computed_attr_context    ctx;
 710         AttributeName   *anp;
 711 #endif
 712         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 713
 714         /* a_flags: array of flags telling if the i-th element will be
 715          *          returned or filtered out
 716          * e_flags: array of a_flags
 717          */
 718         char **e_flags = NULL;
 719
 720         rs->sr_type = REP_SEARCH;
 721         if (op->o_callback) {
 722                 slap_callback *sc = op->o_callback;
 723                 rc = SLAP_CB_CONTINUE;
 724                 for ( ; op->o_callback; ) {
 725                         if ( op->o_callback->sc_response ) {
 726                                 rc = op->o_callback->sc_response( op, rs );
 727                                 if ( rc != SLAP_CB_CONTINUE ) break;
 728                         }
 729                         op->o_callback = op->o_callback->sc_next;
 730                 }
 731                 op->o_callback = sc;
 732                 if ( rc != SLAP_CB_CONTINUE ) goto error_return;
 733         }
 734
 735 #ifdef NEW_LOGGING
 736         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 737                 op->o_connid, rs->sr_entry->e_name.bv_val,
 738                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 739 #else
 740         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 741                 rs->sr_entry->e_name.bv_val,
 742                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 743 #endif
 744
 745         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 746 #ifdef NEW_LOGGING
 747                 LDAP_LOG( ACL, INFO,
 748                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 749                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 750 #else
 751                 Debug( LDAP_DEBUG_ACL,
 752                         "send_search_entry: access to entry not allowed\n",
 753                     0, 0, 0 );
 754 #endif
 755
 756                 rc = 1;
 757                 goto error_return;
 758         }
 759
 760         edn = rs->sr_entry->e_nname.bv_val;
 761
 762         if ( op->o_res_ber ) {
 763                 /* read back control or LDAP_CONNECTIONLESS */
 764             ber = op->o_res_ber;
 765         } else {
 766                 ber_len_t       siz, len;
 767                 struct berval   bv;
 768
 769                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 770                 bv.bv_len = siz + len;
 771                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 772
 773                 ber_init2( ber, &bv, LBER_USE_DER );
 774                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 775         }
 776
 777 #ifdef LDAP_CONNECTIONLESS
 778         if ( op->o_conn && op->o_conn->c_is_udp ) {
 779                 /* CONNECTIONLESS */
 780                 if ( op->o_protocol == LDAP_VERSION2 ) {
 781                 rc = ber_printf(ber, "t{O{" /*}}*/,
 782                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 783                 } else {
 784                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 785                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 786                 }
 787         } else
 788 #endif
 789         if ( op->o_res_ber ) {
 790                 /* read back control */
 791             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 792         } else {
 793             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 794                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 795         }
 796
 797         if ( rc == -1 ) {
 798 #ifdef NEW_LOGGING
 799                 LDAP_LOG( OPERATION, ERR,
 800                         "send_search_entry: conn %lu  ber_printf failed\n",
 801                         op->o_connid, 0, 0 );
 802 #else
 803                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 804 #endif
 805
 806                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 807                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 808                 goto error_return;
 809         }
 810
 811         /* check for special all user attributes ("*") type */
 812         userattrs = ( rs->sr_attrs == NULL ) ? 1
 813                 : an_find( rs->sr_attrs, &AllUser );
 814
 815         /* check for special all operational attributes ("+") type */
 816         opattrs = ( rs->sr_attrs == NULL ) ? 0
 817                 : an_find( rs->sr_attrs, &AllOper );
 818
 819         /* create an array of arrays of flags. Each flag corresponds
 820          * to particular value of attribute and equals 1 if value matches
 821          * to ValuesReturnFilter or 0 if not
 822          */
 823         if ( op->o_vrFilter != NULL ) {
 824                 int     k = 0;
 825                 size_t  size;
 826
 827                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 828                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 829                 }
 830
 831                 size = i * sizeof(char *) + k;
 832                 if ( size > 0 ) {
 833                         char    *a_flags;
 834                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 835                         if( e_flags == NULL ) {
 836 #ifdef NEW_LOGGING
 837                                 LDAP_LOG( OPERATION, ERR,
 838                                         "send_search_entry: conn %lu sl_calloc failed\n",
 839                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 840 #else
 841                         Debug( LDAP_DEBUG_ANY,
 842                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 843 #endif
 844                                 ber_free( ber, 1 );
 845
 846                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 847                                 goto error_return;
 848                         }
 849                         a_flags = (char *)(e_flags + i);
 850                         memset( a_flags, 0, k );
 851                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 852                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 853                                 e_flags[i] = a_flags;
 854                                 a_flags += j;
 855                         }
 856
 857                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 858                         if ( rc == -1 ) {
 859 #ifdef NEW_LOGGING
 860                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 861                                         "conn %lu matched values filtering failed\n",
 862                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 863 #else
 864                         Debug( LDAP_DEBUG_ANY,
 865                                         "matched values filtering failed\n", 0, 0, 0 );
 866 #endif
 867                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 868                                 send_ldap_error( op, rs, LDAP_OTHER,
 869                                         "matched values filtering error" );
 870                                 goto error_return;
 871                         }
 872                 }
 873         }
 874
 875         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 876                 AttributeDescription *desc = a->a_desc;
 877
 878                 if ( rs->sr_attrs == NULL ) {
 879                         /* all attrs request, skip operational attributes */
 880                         if( is_at_operational( desc->ad_type ) ) {
 881                                 continue;
 882                         }
 883
 884                 } else {
 885                         /* specific attrs requested */
 886                         if ( is_at_operational( desc->ad_type ) ) {
 887                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 888                                         continue;
 889                                 }
 890
 891                         } else {
 892                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 893                                         continue;
 894                                 }
 895                         }
 896                 }
 897
 898                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 899                         ACL_READ, &acl_state ) )
 900                 {
 901 #ifdef NEW_LOGGING
 902                         LDAP_LOG( ACL, INFO,
 903                                 "send_search_entry: conn %lu  access to attribute %s not "
 904                                 "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 905 #else
 906                         Debug( LDAP_DEBUG_ACL, "acl: "
 907                                 "access to attribute %s not allowed\n",
 908                             desc->ad_cname.bv_val, 0, 0 );
 909 #endif
 910                         continue;
 911                 }
 912
 913                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 914 #ifdef NEW_LOGGING
 915                         LDAP_LOG( OPERATION, ERR,
 916                                 "send_search_entry: conn %lu  ber_printf failed\n",
 917                                 op->o_connid, 0, 0 );
 918 #else
 919                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 920 #endif
 921
 922                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 923                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error");
 924                         goto error_return;
 925                 }
 926
 927                 if ( ! op->ors_attrsonly ) {
 928                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 929                                 if ( ! access_allowed( op, rs->sr_entry,
 930                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 931                                 {
 932 #ifdef NEW_LOGGING
 933                                         LDAP_LOG( ACL, INFO,
 934                                                 "send_search_entry: conn %lu "
 935                                                 "access to attribute %s, value %d not allowed\n",
 936                                                 op->o_connid, desc->ad_cname.bv_val, i );
 937 #else
 938                                         Debug( LDAP_DEBUG_ACL,
 939                                                 "acl: access to attribute %s, "
 940                                                 "value %d not allowed\n",
 941                                                 desc->ad_cname.bv_val, i, 0 );
 942 #endif
 943
 944                                         continue;
 945                                 }
 946
 947                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 948                                         continue;
 949                                 }
 950
 951                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 952 #ifdef NEW_LOGGING
 953                                         LDAP_LOG( OPERATION, ERR,
 954                                                 "send_search_entry: conn %lu  "
 955                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
 956 #else
 957                                         Debug( LDAP_DEBUG_ANY,
 958                                             "ber_printf failed\n", 0, 0, 0 );
 959 #endif
 960
 961                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 962                                         send_ldap_error( op, rs, LDAP_OTHER,
 963                                                 "encoding values error" );
 964                                         goto error_return;
 965                                 }
 966                         }
 967                 }
 968
 969                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 970 #ifdef NEW_LOGGING
 971                         LDAP_LOG( OPERATION, ERR,
 972                                 "send_search_entry: conn %lu ber_printf failed\n",
 973                                 op->o_connid, 0, 0 );
 974 #else
 975                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 976 #endif
 977
 978                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 979                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
 980                         goto error_return;
 981                 }
 982         }
 983
 984         /* eventually will loop through generated operational attributes */
 985         /* only have subschemaSubentry and numSubordinates are implemented */
 986         aa = backend_operational( op, rs, opattrs );
 987
 988         if ( aa != NULL && op->o_vrFilter != NULL ) {
 989                 int     k = 0;
 990                 size_t  size;
 991
 992                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 993                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 994                 }
 995
 996                 size = i * sizeof(char *) + k;
 997                 if ( size > 0 ) {
 998                         char    *a_flags, **tmp;
 999
1000                         /*
1001                          * Reuse previous memory - we likely need less space
1002                          * for operational attributes
1003                          */
1004                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k,
1005                                 op->o_tmpmemctx );
1006                         if ( tmp == NULL ) {
1007 #ifdef NEW_LOGGING
1008                                 LDAP_LOG( OPERATION, ERR,
1009                                         "send_search_entry: conn %lu "
1010                                         "not enough memory "
1011                                         "for matched values filtering\n",
1012                                         op->o_connid, 0, 0);
1013 #else
1014                                 Debug( LDAP_DEBUG_ANY,
1015                                         "send_search_entry: conn %lu "
1016                                         "not enough memory "
1017                                         "for matched values filtering\n",
1018                                         op->o_connid, 0, 0 );
1019 #endif
1020                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1021                                 send_ldap_error( op, rs, LDAP_OTHER,
1022                                         "not enough memory for matched values filtering" );
1023                                 goto error_return;
1024                         }
1025                         e_flags = tmp;
1026                         a_flags = (char *)(e_flags + i);
1027                         memset( a_flags, 0, k );
1028                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1029                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
1030                                 e_flags[i] = a_flags;
1031                                 a_flags += j;
1032                         }
1033                         rc = filter_matched_values(op, aa, &e_flags) ;
1034
1035                         if ( rc == -1 ) {
1036 #ifdef NEW_LOGGING
1037                                 LDAP_LOG( OPERATION, ERR,
1038                                         "send_search_entry: conn %lu "
1039                                         "matched values filtering failed\n",
1040                                         op->o_connid ? op->o_connid : 0, 0, 0);
1041 #else
1042                                 Debug( LDAP_DEBUG_ANY,
1043                                         "matched values filtering failed\n", 0, 0, 0 );
1044 #endif
1045                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1046                                 send_ldap_error( op, rs, LDAP_OTHER,
1047                                         "matched values filtering error" );
1048                                 goto error_return;
1049                         }
1050                 }
1051         }
1052
1053         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
1054                 AttributeDescription *desc = a->a_desc;
1055
1056                 if ( rs->sr_attrs == NULL ) {
1057                         /* all attrs request, skip operational attributes */
1058                         if( is_at_operational( desc->ad_type ) ) {
1059                                 continue;
1060                         }
1061
1062                 } else {
1063                         /* specific attrs requested */
1064                         if( is_at_operational( desc->ad_type ) ) {
1065                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1066                                         continue;
1067                                 }
1068                         } else {
1069                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1070                                         continue;
1071                                 }
1072                         }
1073                 }
1074
1075                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
1076                         ACL_READ, &acl_state ) )
1077                 {
1078 #ifdef NEW_LOGGING
1079                         LDAP_LOG( ACL, INFO,
1080                                 "send_search_entry: conn %lu "
1081                                 "access to attribute %s not allowed\n",
1082                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1083 #else
1084                         Debug( LDAP_DEBUG_ACL, "send_search_entry: access to attribute %s "
1085                                 "not allowed\n", desc->ad_cname.bv_val, 0, 0 );
1086 #endif
1087
1088                         continue;
1089                 }
1090
1091                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1092                 if ( rc == -1 ) {
1093 #ifdef NEW_LOGGING
1094                         LDAP_LOG( OPERATION, ERR,
1095                                 "send_search_entry: conn %lu  "
1096                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1097 #else
1098                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1099 #endif
1100
1101                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1102                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error" );
1103                         attrs_free( aa );
1104                         goto error_return;
1105                 }
1106
1107                 if ( ! op->ors_attrsonly ) {
1108                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1109                                 if ( ! access_allowed( op, rs->sr_entry,
1110                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1111                                 {
1112 #ifdef NEW_LOGGING
1113                                         LDAP_LOG( ACL, INFO,
1114                                                 "send_search_entry: conn %lu "
1115                                                 "access to %s, value %d not allowed\n",
1116                                                 op->o_connid, desc->ad_cname.bv_val, i );
1117 #else
1118                                         Debug( LDAP_DEBUG_ACL,
1119                                                 "send_search_entry: access to attribute %s, "
1120                                                 "value %d not allowed\n",
1121                                                 desc->ad_cname.bv_val, i, 0 );
1122 #endif
1123
1124                                         continue;
1125                                 }
1126
1127                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1128                                         continue;
1129                                 }
1130
1131                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1132 #ifdef NEW_LOGGING
1133                                         LDAP_LOG( OPERATION, ERR,
1134                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1135                                                 op->o_connid, 0, 0 );
1136 #else
1137                                         Debug( LDAP_DEBUG_ANY,
1138                                             "ber_printf failed\n", 0, 0, 0 );
1139 #endif
1140
1141                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1142                                         send_ldap_error( op, rs, LDAP_OTHER,
1143                                                 "encoding values error" );
1144                                         attrs_free( aa );
1145                                         goto error_return;
1146                                 }
1147                         }
1148                 }
1149
1150                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1151 #ifdef NEW_LOGGING
1152                         LDAP_LOG( OPERATION, ERR,
1153                                 "send_search_entry: conn %lu  ber_printf failed\n",
1154                                 op->o_connid, 0, 0 );
1155 #else
1156                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1157 #endif
1158
1159                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1160                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1161                         attrs_free( aa );
1162                         goto error_return;
1163                 }
1164         }
1165
1166 #ifdef LDAP_SLAPI
1167         /*
1168          * First, setup the computed attribute context that is
1169          * passed to all plugins.
1170          */
1171         if ( op->o_pb ) {
1172                 ctx.cac_pb = op->o_pb;
1173                 ctx.cac_attrs = rs->sr_attrs;
1174                 ctx.cac_attrsonly = op->ors_attrsonly;
1175                 ctx.cac_userattrs = userattrs;
1176                 ctx.cac_opattrs = opattrs;
1177                 ctx.cac_acl_state = acl_state;
1178                 ctx.cac_private = (void *)ber;
1179
1180                 /*
1181                  * For each client requested attribute, call the plugins.
1182                  */
1183                 if ( rs->sr_attrs != NULL ) {
1184                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1185                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1186                                         rs->sr_entry, slapi_int_compute_output_ber );
1187                                 if ( rc == 1 ) {
1188                                         break;
1189                                 }
1190                         }
1191                 } else {
1192                         /*
1193                          * Technically we shouldn't be returning operational attributes
1194                          * when the user requested only user attributes. We'll let the
1195                          * plugin decide whether to be naughty or not.
1196                          */
1197                         rc = compute_evaluator( &ctx, "*",
1198                                 rs->sr_entry, slapi_int_compute_output_ber );
1199                 }
1200                 if ( rc == 1 ) {
1201                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1202                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1203                         goto error_return;
1204                 }
1205         }
1206 #endif /* LDAP_SLAPI */
1207
1208         /* free e_flags */
1209         if ( e_flags ) {
1210                 sl_free( e_flags, op->o_tmpmemctx );
1211                 e_flags = NULL;
1212         }
1213
1214         attrs_free( aa );
1215         rc = ber_printf( ber, /*{{*/ "}N}" );
1216
1217         if( rc != -1 ) {
1218                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1219         }
1220
1221         if( rc != -1 ) {
1222 #ifdef LDAP_CONNECTIONLESS
1223                 if( op->o_conn && op->o_conn->c_is_udp ) {
1224                         if ( op->o_protocol != LDAP_VERSION2 ) {
1225                                 rc = ber_printf( ber, /*{*/ "N}" );
1226                         }
1227                 } else
1228 #endif
1229                 if ( op->o_res_ber == NULL ) {
1230                         rc = ber_printf( ber, /*{*/ "N}" );
1231                 }
1232         }
1233
1234         if ( rc == -1 ) {
1235 #ifdef NEW_LOGGING
1236                 LDAP_LOG( OPERATION, ERR,
1237                         "send_search_entry: conn %lu ber_printf failed\n",
1238                         op->o_connid, 0, 0 );
1239 #else
1240                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1241 #endif
1242
1243                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1244                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1245                 rc = 1;
1246                 goto error_return;
1247         }
1248
1249         if ( op->o_res_ber == NULL ) {
1250                 bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1251                 ber_free_buf( ber );
1252
1253                 if ( bytes < 0 ) {
1254 #ifdef NEW_LOGGING
1255                         LDAP_LOG( OPERATION, ERR,
1256                                 "send_search_entry: conn %lu  ber write failed.\n",
1257                                 op->o_connid, 0, 0 );
1258 #else
1259                         Debug( LDAP_DEBUG_ANY,
1260                                 "send_search_entry: ber write failed\n",
1261                                 0, 0, 0 );
1262 #endif
1263
1264                         rc = -1;
1265                         goto error_return;
1266                 }
1267                 rs->sr_nentries++;
1268
1269                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1270                 num_bytes_sent += bytes;
1271                 num_entries_sent++;
1272                 num_pdu_sent++;
1273                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1274         }
1275
1276         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1277             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1278
1279 #ifdef NEW_LOGGING
1280         LDAP_LOG( OPERATION, ENTRY,
1281                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1282 #else
1283         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1284 #endif
1285
1286         rc = 0;
1287
1288 error_return:;
1289         /* FIXME: I think rs->sr_type should be explicitly set to
1290          * REP_SEARCH here. That's what it was when we entered this
1291          * function. send_ldap_error may have changed it, but we
1292          * should set it back so that the cleanup functions know
1293          * what they're doing.
1294          */
1295         if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
1296                 && rs->sr_entry
1297                 && (rs->sr_flags & REP_ENTRY_MUSTBEFREED) )
1298         {
1299                 entry_free( rs->sr_entry );
1300                 rs->sr_entry = NULL;
1301                 rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
1302         }
1303
1304         if ( e_flags ) sl_free( e_flags, op->o_tmpmemctx );
1305
1306         if (op->o_callback) {
1307                 slap_callback *sc = op->o_callback;
1308                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
1309                         if ( op->o_callback->sc_cleanup ) {
1310                                 op->o_callback->sc_cleanup( op, rs );
1311                         }
1312                 }
1313                 op->o_callback = sc;
1314         }
1315         return( rc );
1316 }
1317
1318 int
1319 slap_send_search_reference( Operation *op, SlapReply *rs )
1320 {
1321         BerElementBuffer berbuf;
1322         BerElement      *ber = (BerElement *) &berbuf;
1323         int rc = 0;
1324         int bytes;
1325
1326         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1327         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1328
1329         rs->sr_type = REP_SEARCHREF;
1330         if (op->o_callback) {
1331                 slap_callback *sc = op->o_callback;
1332                 rc = SLAP_CB_CONTINUE;
1333                 for ( ; op->o_callback; ) {
1334                         if ( op->o_callback->sc_response ) {
1335                                 rc = op->o_callback->sc_response( op, rs );
1336                                 if ( rc != SLAP_CB_CONTINUE ) break;
1337                         }
1338                         op->o_callback = op->o_callback->sc_next;
1339                 }
1340                 op->o_callback = sc;
1341                 if ( rc != SLAP_CB_CONTINUE ) goto rel;
1342         }
1343
1344 #ifdef NEW_LOGGING
1345         LDAP_LOG( OPERATION, ENTRY,
1346                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1347                 op->o_connid,
1348                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1349 #else
1350         Debug( LDAP_DEBUG_TRACE,
1351                 "=> send_search_reference: dn=\"%s\"\n",
1352                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1353 #endif
1354
1355         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1356                 ad_entry, NULL, ACL_READ, NULL ) )
1357         {
1358 #ifdef NEW_LOGGING
1359                 LDAP_LOG( ACL, INFO,
1360                         "send_search_reference: conn %lu        "
1361                         "access to entry %s not allowed\n",
1362                         op->o_connid, rs->sr_entry->e_dn, 0 );
1363 #else
1364                 Debug( LDAP_DEBUG_ACL,
1365                         "send_search_reference: access to entry not allowed\n",
1366                     0, 0, 0 );
1367 #endif
1368                 rc = 1;
1369                 goto rel;
1370         }
1371
1372         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1373                 ad_ref, NULL, ACL_READ, NULL ) )
1374         {
1375 #ifdef NEW_LOGGING
1376                 LDAP_LOG( ACL, INFO,
1377                         "send_search_reference: conn %lu access "
1378                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1379 #else
1380                 Debug( LDAP_DEBUG_ACL,
1381                         "send_search_reference: access "
1382                         "to reference not allowed\n",
1383                     0, 0, 0 );
1384 #endif
1385                 rc = 1;
1386                 goto rel;
1387         }
1388
1389 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1390         if( op->o_domain_scope ) {
1391 #ifdef NEW_LOGGING
1392                 LDAP_LOG( OPERATION, ERR,
1393                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1394                         op->o_connid, rs->sr_entry->e_dn, 0 );
1395 #else
1396                 Debug( LDAP_DEBUG_ANY,
1397                         "send_search_reference: domainScope control in (%s)\n",
1398                         rs->sr_entry->e_dn, 0, 0 );
1399 #endif
1400                 rc = 0;
1401                 goto rel;
1402         }
1403 #endif
1404
1405         if( rs->sr_ref == NULL ) {
1406 #ifdef NEW_LOGGING
1407                 LDAP_LOG( OPERATION, ERR,
1408                         "send_search_reference: conn %lu null ref in (%s).\n",
1409                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1410 #else
1411                 Debug( LDAP_DEBUG_ANY,
1412                         "send_search_reference: null ref in (%s)\n",
1413                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1414 #endif
1415                 rc = 1;
1416                 goto rel;
1417         }
1418
1419         if( op->o_protocol < LDAP_VERSION3 ) {
1420                 rc = 0;
1421                 /* save the references for the result */
1422                 if( rs->sr_ref[0].bv_val != NULL ) {
1423                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1424                                 rc = LDAP_OTHER;
1425                 }
1426                 goto rel;
1427         }
1428
1429 #ifdef LDAP_CONNECTIONLESS
1430         if( op->o_conn && op->o_conn->c_is_udp ) {
1431                 ber = op->o_res_ber;
1432         } else
1433 #endif
1434         {
1435                 ber_init_w_nullc( ber, LBER_USE_DER );
1436                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1437         }
1438
1439         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1440                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1441
1442         if( rc != -1 ) {
1443                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1444         }
1445
1446         if( rc != -1 ) {
1447                 rc = ber_printf( ber, /*"{"*/ "N}" );
1448         }
1449
1450         if ( rc == -1 ) {
1451 #ifdef NEW_LOGGING
1452                 LDAP_LOG( OPERATION, ERR,
1453                         "send_search_reference: conn %lu        "
1454                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1455 #else
1456                 Debug( LDAP_DEBUG_ANY,
1457                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1458 #endif
1459
1460 #ifdef LDAP_CONNECTIONLESS
1461                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1462 #endif
1463                 ber_free_buf( ber );
1464                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1465                 goto rel;
1466         }
1467
1468 #ifdef LDAP_CONNECTIONLESS
1469         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1470 #endif
1471         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1472         ber_free_buf( ber );
1473
1474         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1475         num_bytes_sent += bytes;
1476         num_refs_sent++;
1477         num_pdu_sent++;
1478         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1479 #ifdef LDAP_CONNECTIONLESS
1480         }
1481 #endif
1482
1483         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1484                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1485
1486 #ifdef NEW_LOGGING
1487         LDAP_LOG( OPERATION, ENTRY,
1488                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1489 #else
1490         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1491 #endif
1492
1493 rel:
1494         if (op->o_callback) {
1495                 slap_callback *sc = op->o_callback;
1496                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
1497                         if ( op->o_callback->sc_cleanup ) {
1498                                 op->o_callback->sc_cleanup( op, rs );
1499                         }
1500                 }
1501                 op->o_callback = sc;
1502         }
1503         return rc;
1504 }
1505
1506 int
1507 str2result(
1508     char        *s,
1509     int         *code,
1510     char        **matched,
1511     char        **info
1512 )
1513 {
1514         int     rc;
1515         char    *c;
1516
1517         *code = LDAP_SUCCESS;
1518         *matched = NULL;
1519         *info = NULL;
1520
1521         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1522 #ifdef NEW_LOGGING
1523                 LDAP_LOG( OPERATION, INFO,
1524                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1525 #else
1526                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1527                     s, 0, 0 );
1528 #endif
1529
1530                 return( -1 );
1531         }
1532
1533         rc = 0;
1534         while ( (s = strchr( s, '\n' )) != NULL ) {
1535                 *s++ = '\0';
1536                 if ( *s == '\0' ) {
1537                         break;
1538                 }
1539                 if ( (c = strchr( s, ':' )) != NULL ) {
1540                         c++;
1541                 }
1542
1543                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1544                         if ( c != NULL ) {
1545                                 *code = atoi( c );
1546                         }
1547                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1548                         if ( c != NULL ) {
1549                                 *matched = c;
1550                         }
1551                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1552                         if ( c != NULL ) {
1553                                 *info = c;
1554                         }
1555                 } else {
1556 #ifdef NEW_LOGGING
1557                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1558 #else
1559                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1560                             s, 0, 0 );
1561 #endif
1562
1563                         rc = -1;
1564                 }
1565         }
1566
1567         return( rc );
1568 }
1569
1570 int slap_read_controls(
1571         Operation *op,
1572         SlapReply *rs,
1573         Entry *e,
1574         const struct berval *oid,
1575         LDAPControl **ctrl )
1576 {
1577         int rc;
1578         struct berval bv;
1579         BerElementBuffer berbuf;
1580         BerElement *ber = (BerElement *) &berbuf;
1581         LDAPControl c;
1582         ber_len_t       siz, len;
1583         Operation myop;
1584
1585 #ifdef NEW_LOGGING
1586         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1587                 oid->bv_val, e->e_dn, 0 );
1588 #else
1589         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1590                 oid->bv_val, e->e_dn, 0 );
1591 #endif
1592
1593         rs->sr_entry = e;
1594         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1595                 op->o_preread_attrs : op->o_postread_attrs;
1596
1597         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1598         bv.bv_len = siz + len;
1599         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1600
1601         ber_init2( ber, &bv, LBER_USE_DER );
1602         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1603
1604         /* create new operation */
1605         myop = *op;
1606         myop.o_bd = NULL;
1607         myop.o_res_ber = ber;
1608
1609         rc = slap_send_search_entry( &myop, rs );
1610         if( rc ) return rc;
1611
1612         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1613
1614         if( rc == LBER_ERROR ) return LDAP_OTHER;
1615
1616         c.ldctl_oid = oid->bv_val;
1617         c.ldctl_iscritical = 0;
1618
1619         *ctrl = sl_calloc( 1, sizeof(LDAPControl), NULL );
1620         **ctrl = c;
1621         return LDAP_SUCCESS;
1622 }