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

   1 /* result.c - routines to send ldap results, errors, and referrals */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26
  27 #include "portable.h"
  28
  29 #include <stdio.h>
  30
  31 #include <ac/socket.h>
  32 #include <ac/errno.h>
  33 #include <ac/string.h>
  34 #include <ac/ctype.h>
  35 #include <ac/time.h>
  36 #include <ac/unistd.h>
  37
  38 #include "slap.h"
  39
  40 #ifdef LDAP_SLAPI
  41 #include "slapi/slapi.h"
  42 #endif
  43
  44 int slap_null_cb( Operation *op, SlapReply *rs )
  45 {
  46         return 0;
  47 }
  48
  49 int slap_replog_cb( Operation *op, SlapReply *rs )
  50 {
  51         if ( rs->sr_err == LDAP_SUCCESS ) {
  52                 replog( op );
  53         }
  54         return SLAP_CB_CONTINUE;
  55 }
  56
  57 static char *v2ref( BerVarray ref, const char *text )
  58 {
  59         size_t len = 0, i = 0;
  60         char *v2;
  61
  62         if(ref == NULL) {
  63                 if (text) {
  64                         return ch_strdup(text);
  65                 } else {
  66                         return NULL;
  67                 }
  68         }
  69
  70         if ( text != NULL ) {
  71                 len = strlen( text );
  72                 if (text[len-1] != '\n') {
  73                     i = 1;
  74                 }
  75         }
  76
  77         v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
  78         if( v2 == NULL ) {
  79 #ifdef NEW_LOGGING
  80                 LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  81 #else
  82                 Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  83 #endif
  84                 return NULL;
  85         }
  86
  87         if( text != NULL ) {
  88                 strcpy(v2, text);
  89                 if( i ) {
  90                         v2[len++] = '\n';
  91                 }
  92         }
  93         strcpy( v2+len, "Referral:" );
  94         len += sizeof("Referral:");
  95
  96         for( i=0; ref[i].bv_val != NULL; i++ ) {
  97                 v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
  98                 if( v2 == NULL ) {
  99 #ifdef NEW_LOGGING
 100                         LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
 101 #else
 102                         Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
 103 #endif
 104                         return NULL;
 105                 }
 106                 v2[len-1] = '\n';
 107                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
 108                 len += ref[i].bv_len;
 109                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
 110                         ++len;
 111                 }
 112         }
 113
 114         v2[len-1] = '\0';
 115         return v2;
 116 }
 117
 118 static ber_tag_t req2res( ber_tag_t tag )
 119 {
 120         switch( tag ) {
 121         case LDAP_REQ_ADD:
 122         case LDAP_REQ_BIND:
 123         case LDAP_REQ_COMPARE:
 124         case LDAP_REQ_EXTENDED:
 125         case LDAP_REQ_MODIFY:
 126         case LDAP_REQ_MODRDN:
 127                 tag++;
 128                 break;
 129
 130         case LDAP_REQ_DELETE:
 131                 tag = LDAP_RES_DELETE;
 132                 break;
 133
 134         case LDAP_REQ_ABANDON:
 135         case LDAP_REQ_UNBIND:
 136                 tag = LBER_SEQUENCE;
 137                 break;
 138
 139         case LDAP_REQ_SEARCH:
 140                 tag = LDAP_RES_SEARCH_RESULT;
 141                 break;
 142
 143         default:
 144                 tag = LBER_SEQUENCE;
 145         }
 146
 147         return tag;
 148 }
 149
 150 static long send_ldap_ber(
 151         Connection *conn,
 152         BerElement *ber )
 153 {
 154         ber_len_t bytes;
 155
 156         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 157
 158         /* write only one pdu at a time - wait til it's our turn */
 159         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 160
 161         /* lock the connection */
 162         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 163
 164         /* write the pdu */
 165         while( 1 ) {
 166                 int err;
 167                 ber_socket_t    sd;
 168
 169                 if ( connection_state_closing( conn ) ) {
 170                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 171                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 172
 173                         return 0;
 174                 }
 175
 176                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 177                         break;
 178                 }
 179
 180                 err = errno;
 181
 182                 /*
 183                  * we got an error.  if it's ewouldblock, we need to
 184                  * wait on the socket being writable.  otherwise, figure
 185                  * it's a hard error and return.
 186                  */
 187
 188 #ifdef NEW_LOGGING
 189                 LDAP_LOG( OPERATION, ERR,
 190                         "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
 191                         conn ? conn->c_connid : 0, err, sock_errstr(err) );
 192 #else
 193                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 194                     err, sock_errstr(err), 0 );
 195 #endif
 196
 197                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 198                         connection_closing( conn );
 199
 200                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 201                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 202
 203                         return( -1 );
 204                 }
 205
 206                 /* wait for socket to be write-ready */
 207                 conn->c_writewaiter = 1;
 208                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 209                 slapd_set_write( sd, 1 );
 210
 211                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 212                 conn->c_writewaiter = 0;
 213         }
 214
 215         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 216         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 217
 218         return bytes;
 219 }
 220
 221 static int
 222 send_ldap_control( BerElement *ber, LDAPControl *c )
 223 {
 224         int rc;
 225
 226         assert( c != NULL );
 227
 228         rc = ber_printf( ber, "{s" /*}*/, c->ldctl_oid );
 229
 230         if( c->ldctl_iscritical ) {
 231                 rc = ber_printf( ber, "b",
 232                         (ber_int_t) c->ldctl_iscritical ) ;
 233                 if( rc == -1 ) return rc;
 234         }
 235
 236         if( c->ldctl_value.bv_val != NULL ) {
 237                 rc = ber_printf( ber, "O", &c->ldctl_value );
 238                 if( rc == -1 ) return rc;
 239         }
 240
 241         rc = ber_printf( ber, /*{*/"N}" );
 242         if( rc == -1 ) return rc;
 243
 244         return 0;
 245 }
 246
 247 static int
 248 send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 249 {
 250         int rc;
 251 #ifdef LDAP_SLAPI
 252         LDAPControl **sctrls = NULL;
 253
 254         /*
 255          * Retrieve any additional controls that may be set by the
 256          * plugin.
 257          */
 258
 259         if ( o->o_pb && slapi_pblock_get( o->o_pb, SLAPI_RESCONTROLS, &sctrls ) != 0 ) {
 260                 sctrls = NULL;
 261         }
 262
 263         if ( c == NULL && sctrls == NULL ) return 0;
 264 #else
 265         if( c == NULL ) return 0;
 266 #endif /* LDAP_SLAPI */
 267
 268         rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
 269         if( rc == -1 ) return rc;
 270
 271 #ifdef LDAP_SLAPI
 272         if ( c != NULL )
 273 #endif /* LDAP_SLAPI */
 274         for( ; *c != NULL; c++) {
 275                 rc = send_ldap_control( ber, *c );
 276                 if( rc == -1 ) return rc;
 277         }
 278
 279 #ifdef LDAP_SLAPI
 280         if ( sctrls != NULL ) {
 281                 for ( c = sctrls; *c != NULL; c++ ) {
 282                         rc = send_ldap_control( ber, *c );
 283                         if( rc == -1 ) return rc;
 284                 }
 285         }
 286 #endif /* LDAP_SLAPI */
 287
 288         rc = ber_printf( ber, /*{*/"N}" );
 289
 290         return rc;
 291 }
 292
 293 static int
 294 send_ldap_response(
 295         Operation *op,
 296         SlapReply *rs )
 297 {
 298         BerElementBuffer berbuf;
 299         BerElement      *ber = (BerElement *) &berbuf;
 300         int             rc = LDAP_SUCCESS;
 301         long    bytes;
 302
 303         if (op->o_callback) {
 304                 slap_callback *sc = op->o_callback;
 305                 rc = SLAP_CB_CONTINUE;
 306                 for ( ; op->o_callback; ) {
 307                         if ( op->o_callback->sc_response ) {
 308                                 rc = op->o_callback->sc_response( op, rs );
 309                                 if ( rc != SLAP_CB_CONTINUE ) break;
 310                         }
 311                         op->o_callback = op->o_callback->sc_next;
 312                 }
 313                 op->o_callback = sc;
 314                 if ( rc != SLAP_CB_CONTINUE ) goto clean2;
 315         }
 316
 317 #ifdef LDAP_CONNECTIONLESS
 318         if (op->o_conn && op->o_conn->c_is_udp)
 319                 ber = op->o_res_ber;
 320         else
 321 #endif
 322         {
 323                 ber_init_w_nullc( ber, LBER_USE_DER );
 324                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 325         }
 326
 327 #ifdef NEW_LOGGING
 328         LDAP_LOG( OPERATION, ENTRY,
 329                 "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
 330                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 331 #else
 332         Debug( LDAP_DEBUG_TRACE,
 333                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 334                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 335 #endif
 336
 337         if( rs->sr_ref ) {
 338 #ifdef NEW_LOGGING
 339                 LDAP_LOG( OPERATION, ARGS,
 340                         "send_ldap_response: conn %lu  ref=\"%s\"\n",
 341                         op->o_connid,
 342                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
 343 #else
 344                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 345                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 346                         NULL, NULL );
 347 #endif
 348         }
 349
 350 #ifdef LDAP_CONNECTIONLESS
 351         if (op->o_conn && op->o_conn->c_is_udp &&
 352                 op->o_protocol == LDAP_VERSION2 )
 353         {
 354                 rc = ber_printf( ber, "t{ess" /*"}"*/,
 355                         rs->sr_tag, rs->sr_err,
 356                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 357                 rs->sr_text == NULL ? "" : rs->sr_text );
 358         } else
 359 #endif
 360         if ( rs->sr_type == REP_INTERMEDIATE ) {
 361             rc = ber_printf( ber, "{it{" /*"}}"*/,
 362                         rs->sr_msgid, rs->sr_tag );
 363
 364         } else {
 365             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 366                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 367                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 368                 rs->sr_text == NULL ? "" : rs->sr_text );
 369         }
 370
 371         if( rc != -1 ) {
 372                 if ( rs->sr_ref != NULL ) {
 373                         assert( rs->sr_err == LDAP_REFERRAL );
 374                         rc = ber_printf( ber, "t{W}",
 375                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 376                 } else {
 377                         assert( rs->sr_err != LDAP_REFERRAL );
 378                 }
 379         }
 380
 381         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 382                 rc = ber_printf( ber, "tO",
 383                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 384         }
 385
 386         if( rc != -1 &&
 387                 ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
 388         {
 389                 if ( rs->sr_rspoid != NULL ) {
 390                         rc = ber_printf( ber, "ts",
 391                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 392                 }
 393                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 394                         rc = ber_printf( ber, "tO",
 395                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 396                 }
 397         }
 398
 399         if( rc != -1 ) {
 400                 rc = ber_printf( ber, /*"{"*/ "N}" );
 401         }
 402
 403         if( rc != -1 ) {
 404                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
 405         }
 406
 407         if( rc != -1 ) {
 408                 rc = ber_printf( ber, /*"{"*/ "N}" );
 409         }
 410
 411 #ifdef LDAP_CONNECTIONLESS
 412         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2
 413                 && rc != -1 )
 414         {
 415                 rc = ber_printf( ber, /*"{"*/ "N}" );
 416         }
 417 #endif
 418
 419         if ( rc == -1 ) {
 420 #ifdef NEW_LOGGING
 421                 LDAP_LOG( OPERATION, ERR,
 422                         "send_ldap_response: conn %lu  ber_printf failed\n",
 423                         op->o_connid, 0, 0 );
 424 #else
 425                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 426 #endif
 427
 428 #ifdef LDAP_CONNECTIONLESS
 429                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 430 #endif
 431                 {
 432                         ber_free_buf( ber );
 433                 }
 434                 goto cleanup;
 435         }
 436
 437         /* send BER */
 438         bytes = send_ldap_ber( op->o_conn, ber );
 439 #ifdef LDAP_CONNECTIONLESS
 440         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 441 #endif
 442         {
 443                 ber_free_buf( ber );
 444         }
 445
 446         if ( bytes < 0 ) {
 447 #ifdef NEW_LOGGING
 448                 LDAP_LOG( OPERATION, ERR,
 449                         "send_ldap_response: conn %lu ber write failed\n",
 450                         op->o_connid ? op->o_connid : 0, 0, 0 );
 451 #else
 452                 Debug( LDAP_DEBUG_ANY,
 453                         "send_ldap_response: ber write failed\n",
 454                         0, 0, 0 );
 455 #endif
 456
 457                 goto cleanup;
 458         }
 459
 460 #ifdef LDAP_SLAPI
 461         if ( op->o_pb ) {
 462                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 463                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
 464                         (void *)rs->sr_matched );
 465                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 466         }
 467 #endif /* LDAP_SLAPI */
 468
 469         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 470         num_bytes_sent += bytes;
 471         num_pdu_sent++;
 472         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 473
 474 cleanup:;
 475         /* Tell caller that we did this for real, as opposed to being
 476          * overridden by a callback
 477          */
 478         rc = SLAP_CB_CONTINUE;
 479
 480 clean2:;
 481         if ( op->o_callback ) {
 482                 slap_callback *sc = op->o_callback;
 483                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
 484                         if ( op->o_callback->sc_cleanup ) {
 485                                 (void)op->o_callback->sc_cleanup( op, rs );
 486                         }
 487                 }
 488                 op->o_callback = sc;
 489         }
 490
 491
 492         if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
 493                 free( (char *)rs->sr_matched );
 494                 rs->sr_matched = NULL;
 495         }
 496
 497         if ( rs->sr_ref && rs->sr_flags & REP_REF_MUSTBEFREED ) {
 498                 ber_bvarray_free( rs->sr_ref );
 499                 rs->sr_ref = NULL;
 500         }
 501
 502         return rc;
 503 }
 504
 505
 506 void
 507 send_ldap_disconnect( Operation *op, SlapReply *rs )
 508 {
 509 #define LDAP_UNSOLICITED_ERROR(e) \
 510         (  (e) == LDAP_PROTOCOL_ERROR \
 511         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 512         || (e) == LDAP_UNAVAILABLE )
 513
 514         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 515
 516         rs->sr_type = REP_EXTENDED;
 517
 518 #ifdef NEW_LOGGING
 519         LDAP_LOG( OPERATION, ENTRY,
 520                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 521                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 522 #else
 523         Debug( LDAP_DEBUG_TRACE,
 524                 "send_ldap_disconnect %d:%s\n",
 525                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 526 #endif
 527
 528         if ( op->o_protocol < LDAP_VERSION3 ) {
 529                 rs->sr_rspoid = NULL;
 530                 rs->sr_tag = req2res( op->o_tag );
 531                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 532
 533         } else {
 534                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 535                 rs->sr_tag = LDAP_RES_EXTENDED;
 536                 rs->sr_msgid = 0;
 537         }
 538
 539         if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
 540                 Statslog( LDAP_DEBUG_STATS,
 541                         "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 542                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 543                         rs->sr_text ? rs->sr_text : "" );
 544         }
 545 }
 546
 547 void
 548 slap_send_ldap_result( Operation *op, SlapReply *rs )
 549 {
 550         char *tmp = NULL;
 551         const char *otext = rs->sr_text;
 552         BerVarray oref = rs->sr_ref;
 553
 554         rs->sr_type = REP_RESULT;
 555
 556         assert( !LDAP_API_ERROR( rs->sr_err ));
 557
 558 #ifdef NEW_LOGGING
 559         LDAP_LOG( OPERATION, ENTRY,
 560                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 561                 op->o_connid, op->o_opid, op->o_protocol );
 562 #else
 563         Debug( LDAP_DEBUG_TRACE,
 564                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 565                 op->o_connid, op->o_opid, op->o_protocol );
 566 #endif
 567
 568 #ifdef NEW_LOGGING
 569         LDAP_LOG( OPERATION, ARGS,
 570                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 571                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 572                 rs->sr_text ? rs->sr_text : "" );
 573 #else
 574         Debug( LDAP_DEBUG_ARGS,
 575                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 576                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 577                 rs->sr_text ? rs->sr_text : "" );
 578 #endif
 579
 580
 581         if( rs->sr_ref ) {
 582 #ifdef NEW_LOGGING
 583                 LDAP_LOG( OPERATION, ARGS,
 584                         "send_ldap_result: referral=\"%s\"\n",
 585                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 586 #else
 587                 Debug( LDAP_DEBUG_ARGS,
 588                         "send_ldap_result: referral=\"%s\"\n",
 589                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 590                         NULL, NULL );
 591 #endif
 592         }
 593
 594         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 595
 596         if ( rs->sr_err == LDAP_REFERRAL ) {
 597 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 598                 if( op->o_domain_scope ) {
 599                         rs->sr_ref = NULL;
 600                 }
 601 #endif
 602                 if( rs->sr_ref == NULL ) {
 603                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 604                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 605                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 606                 }
 607         }
 608
 609 #ifdef LDAP_SLAPI
 610         /*
 611          * Call pre-result plugins. To avoid infinite recursion plugins
 612          * should just set SLAPI_RESULT_CODE rather than sending a
 613          * result if they wish to change the result.
 614          */
 615         if ( op->o_pb != NULL ) {
 616                 slapi_int_pblock_set_operation( op->o_pb, op );
 617                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE,
 618                         (void *)rs->sr_err );
 619                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT,
 620                         (void *)rs->sr_text );
 621                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
 622                         (void *)rs->sr_matched );
 623
 624                 (void) slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN,
 625                         op->o_pb );
 626         }
 627 #endif /* LDAP_SLAPI */
 628
 629         if ( op->o_protocol < LDAP_VERSION3 ) {
 630                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 631                 rs->sr_text = tmp;
 632                 rs->sr_ref = NULL;
 633         }
 634
 635         rs->sr_tag = req2res( op->o_tag );
 636         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 637
 638         if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
 639                 if ( op->o_tag == LDAP_REQ_SEARCH ) {
 640                         char nbuf[64];
 641                         snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 642                                 rs->sr_err, rs->sr_nentries );
 643
 644                         Statslog( LDAP_DEBUG_STATS,
 645                         "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 646                                 op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 647                                 rs->sr_text ? rs->sr_text : "" );
 648                 } else {
 649                         Statslog( LDAP_DEBUG_STATS,
 650                                 "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 651                                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 652                                 rs->sr_text ? rs->sr_text : "" );
 653                 }
 654         }
 655
 656         if( tmp != NULL ) ch_free(tmp);
 657         rs->sr_text = otext;
 658         rs->sr_ref = oref;
 659 }
 660
 661 void
 662 send_ldap_sasl( Operation *op, SlapReply *rs )
 663 {
 664         rs->sr_type = REP_SASL;
 665 #ifdef NEW_LOGGING
 666         LDAP_LOG( OPERATION, ENTRY,
 667                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 668                 op->o_connid, rs->sr_err,
 669                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 670 #else
 671         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 672                 rs->sr_err,
 673                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 674 #endif
 675
 676         rs->sr_tag = req2res( op->o_tag );
 677         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 678
 679         send_ldap_response( op, rs );
 680 }
 681
 682 void
 683 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 684 {
 685         rs->sr_type = REP_EXTENDED;
 686
 687 #ifdef NEW_LOGGING
 688         LDAP_LOG( OPERATION, ENTRY,
 689                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 690                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 691                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 692 #else
 693         Debug( LDAP_DEBUG_TRACE,
 694                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 695                 rs->sr_err,
 696                 rs->sr_rspoid ? rs->sr_rspoid : "",
 697                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 698 #endif
 699
 700         rs->sr_tag = req2res( op->o_tag );
 701         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 702
 703         send_ldap_response( op, rs );
 704 }
 705
 706 void
 707 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 708 {
 709         rs->sr_type = REP_INTERMEDIATE;
 710 #ifdef NEW_LOGGING
 711         LDAP_LOG( OPERATION, ENTRY,
 712                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 713                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 714                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 715 #else
 716         Debug( LDAP_DEBUG_TRACE,
 717                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 718                 rs->sr_err,
 719                 rs->sr_rspoid ? rs->sr_rspoid : "",
 720                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 721 #endif
 722         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 723         rs->sr_msgid = op->o_msgid;
 724         send_ldap_response( op, rs );
 725 }
 726
 727 int
 728 slap_send_search_entry( Operation *op, SlapReply *rs )
 729 {
 730         BerElementBuffer berbuf;
 731         BerElement      *ber = (BerElement *) &berbuf;
 732         Attribute       *a, *aa;
 733         int             i, j, rc=-1, bytes;
 734         char            *edn;
 735         int             userattrs;
 736         int             opattrs;
 737         AccessControlState acl_state = ACL_STATE_INIT;
 738 #ifdef LDAP_SLAPI
 739         /* Support for computed attribute plugins */
 740         computed_attr_context    ctx;
 741         AttributeName   *anp;
 742 #endif
 743         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 744
 745         /* a_flags: array of flags telling if the i-th element will be
 746          *          returned or filtered out
 747          * e_flags: array of a_flags
 748          */
 749         char **e_flags = NULL;
 750
 751         rs->sr_type = REP_SEARCH;
 752         if (op->o_callback) {
 753                 slap_callback *sc = op->o_callback;
 754                 rc = SLAP_CB_CONTINUE;
 755                 for ( ; op->o_callback; ) {
 756                         if ( op->o_callback->sc_response ) {
 757                                 rc = op->o_callback->sc_response( op, rs );
 758                                 if ( rc != SLAP_CB_CONTINUE ) break;
 759                         }
 760                         op->o_callback = op->o_callback->sc_next;
 761                 }
 762                 op->o_callback = sc;
 763                 if ( rc != SLAP_CB_CONTINUE ) goto error_return;
 764         }
 765
 766 #ifdef NEW_LOGGING
 767         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 768                 op->o_connid, rs->sr_entry->e_name.bv_val,
 769                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 770 #else
 771         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 772                 rs->sr_entry->e_name.bv_val,
 773                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 774 #endif
 775
 776         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 777 #ifdef NEW_LOGGING
 778                 LDAP_LOG( ACL, INFO,
 779                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 780                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 781 #else
 782                 Debug( LDAP_DEBUG_ACL,
 783                         "send_search_entry: access to entry not allowed\n",
 784                     0, 0, 0 );
 785 #endif
 786
 787                 rc = 1;
 788                 goto error_return;
 789         }
 790
 791         edn = rs->sr_entry->e_nname.bv_val;
 792
 793         if ( op->o_res_ber ) {
 794                 /* read back control or LDAP_CONNECTIONLESS */
 795             ber = op->o_res_ber;
 796         } else {
 797                 ber_len_t       siz, len;
 798                 struct berval   bv;
 799
 800                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 801                 bv.bv_len = siz + len;
 802                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 803
 804                 ber_init2( ber, &bv, LBER_USE_DER );
 805                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 806         }
 807
 808 #ifdef LDAP_CONNECTIONLESS
 809         if ( op->o_conn && op->o_conn->c_is_udp ) {
 810                 /* CONNECTIONLESS */
 811                 if ( op->o_protocol == LDAP_VERSION2 ) {
 812                 rc = ber_printf(ber, "t{O{" /*}}*/,
 813                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 814                 } else {
 815                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 816                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 817                 }
 818         } else
 819 #endif
 820         if ( op->o_res_ber ) {
 821                 /* read back control */
 822             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 823         } else {
 824             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 825                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 826         }
 827
 828         if ( rc == -1 ) {
 829 #ifdef NEW_LOGGING
 830                 LDAP_LOG( OPERATION, ERR,
 831                         "send_search_entry: conn %lu  ber_printf failed\n",
 832                         op->o_connid, 0, 0 );
 833 #else
 834                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 835 #endif
 836
 837                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 838                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 839                 goto error_return;
 840         }
 841
 842         /* check for special all user attributes ("*") type */
 843         userattrs = ( rs->sr_attrs == NULL ) ? 1
 844                 : an_find( rs->sr_attrs, &AllUser );
 845
 846         /* check for special all operational attributes ("+") type */
 847         opattrs = ( rs->sr_attrs == NULL ) ? 0
 848                 : an_find( rs->sr_attrs, &AllOper );
 849
 850         /* create an array of arrays of flags. Each flag corresponds
 851          * to particular value of attribute and equals 1 if value matches
 852          * to ValuesReturnFilter or 0 if not
 853          */
 854         if ( op->o_vrFilter != NULL ) {
 855                 int     k = 0;
 856                 size_t  size;
 857
 858                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 859                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 860                 }
 861
 862                 size = i * sizeof(char *) + k;
 863                 if ( size > 0 ) {
 864                         char    *a_flags;
 865                         e_flags = slap_sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 866                         if( e_flags == NULL ) {
 867 #ifdef NEW_LOGGING
 868                                 LDAP_LOG( OPERATION, ERR,
 869                                         "send_search_entry: conn %lu slap_sl_calloc failed\n",
 870                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 871 #else
 872                         Debug( LDAP_DEBUG_ANY,
 873                                         "send_search_entry: slap_sl_calloc failed\n", 0, 0, 0 );
 874 #endif
 875                                 ber_free( ber, 1 );
 876
 877                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 878                                 goto error_return;
 879                         }
 880                         a_flags = (char *)(e_flags + i);
 881                         memset( a_flags, 0, k );
 882                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 883                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 884                                 e_flags[i] = a_flags;
 885                                 a_flags += j;
 886                         }
 887
 888                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 889                         if ( rc == -1 ) {
 890 #ifdef NEW_LOGGING
 891                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 892                                         "conn %lu matched values filtering failed\n",
 893                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 894 #else
 895                         Debug( LDAP_DEBUG_ANY,
 896                                         "matched values filtering failed\n", 0, 0, 0 );
 897 #endif
 898                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 899                                 send_ldap_error( op, rs, LDAP_OTHER,
 900                                         "matched values filtering error" );
 901                                 goto error_return;
 902                         }
 903                 }
 904         }
 905
 906         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 907                 AttributeDescription *desc = a->a_desc;
 908                 int finish = 0;
 909
 910                 if ( rs->sr_attrs == NULL ) {
 911                         /* all attrs request, skip operational attributes */
 912                         if( is_at_operational( desc->ad_type ) ) {
 913                                 continue;
 914                         }
 915
 916                 } else {
 917                         /* specific attrs requested */
 918                         if ( is_at_operational( desc->ad_type ) ) {
 919                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 920                                         continue;
 921                                 }
 922
 923                         } else {
 924                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 925                                         continue;
 926                                 }
 927                         }
 928                 }
 929
 930                 if ( op->ors_attrsonly ) {
 931                         if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 932                                 ACL_READ, &acl_state ) )
 933                         {
 934 #ifdef NEW_LOGGING
 935                                 LDAP_LOG( ACL, INFO,
 936                                         "send_search_entry: conn %lu access to attribute %s not "
 937                                         "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 938 #else
 939                                 Debug( LDAP_DEBUG_ACL, "send_search_entry: "
 940                                         "conn %lu access to attribute %s not allowed\n",
 941                                         op->o_connid, desc->ad_cname.bv_val, 0 );
 942 #endif
 943                                 continue;
 944                         }
 945
 946                         if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 947 #ifdef NEW_LOGGING
 948                                 LDAP_LOG( OPERATION, ERR,
 949                                         "send_search_entry: conn %lu  ber_printf failed\n",
 950                                         op->o_connid, 0, 0 );
 951 #else
 952                                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 953 #endif
 954
 955                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 956                                 send_ldap_error( op, rs, LDAP_OTHER,
 957                                         "encoding description error");
 958                                 goto error_return;
 959                         }
 960                         finish = 1;
 961
 962                 } else {
 963                         int first = 1;
 964                         for ( i = 0; a->a_nvals[i].bv_val != NULL; i++ ) {
 965                                 if ( ! access_allowed( op, rs->sr_entry,
 966                                         desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
 967                                 {
 968 #ifdef NEW_LOGGING
 969                                         LDAP_LOG( ACL, INFO,
 970                                                 "send_search_entry: conn %lu "
 971                                                 "access to attribute %s, value #%d not allowed\n",
 972                                                 op->o_connid, desc->ad_cname.bv_val, i );
 973 #else
 974                                         Debug( LDAP_DEBUG_ACL,
 975                                                 "send_search_entry: conn %lu "
 976                                                 "access to attribute %s, value #%d not allowed\n",
 977                                                 op->o_connid, desc->ad_cname.bv_val, i );
 978 #endif
 979
 980                                         continue;
 981                                 }
 982
 983                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 984                                         continue;
 985                                 }
 986
 987                                 if ( first ) {
 988                                         first = 0;
 989                                         finish = 1;
 990                                         if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 991 #ifdef NEW_LOGGING
 992                                                 LDAP_LOG( OPERATION, ERR,
 993                                                         "send_search_entry: conn %lu  ber_printf failed\n",
 994                                                         op->o_connid, 0, 0 );
 995 #else
 996                                                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 997 #endif
 998
 999                                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1000                                                 send_ldap_error( op, rs, LDAP_OTHER,
1001                                                         "encoding description error");
1002                                                 goto error_return;
1003                                         }
1004                                 }
1005                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1006 #ifdef NEW_LOGGING
1007                                         LDAP_LOG( OPERATION, ERR,
1008                                                 "send_search_entry: conn %lu  "
1009                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
1010 #else
1011                                         Debug( LDAP_DEBUG_ANY,
1012                                             "ber_printf failed\n", 0, 0, 0 );
1013 #endif
1014
1015                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1016                                         send_ldap_error( op, rs, LDAP_OTHER,
1017                                                 "encoding values error" );
1018                                         goto error_return;
1019                                 }
1020                         }
1021                 }
1022
1023                 if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1024 #ifdef NEW_LOGGING
1025                         LDAP_LOG( OPERATION, ERR,
1026                                 "send_search_entry: conn %lu ber_printf failed\n",
1027                                 op->o_connid, 0, 0 );
1028 #else
1029                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1030 #endif
1031
1032                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1033                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1034                         goto error_return;
1035                 }
1036         }
1037
1038         /* eventually will loop through generated operational attributes */
1039         /* only subschemaSubentry and numSubordinates are implemented */
1040         aa = backend_operational( op, rs, opattrs );
1041
1042         if ( aa != NULL && op->o_vrFilter != NULL ) {
1043                 int     k = 0;
1044                 size_t  size;
1045
1046                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1047                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
1048                 }
1049
1050                 size = i * sizeof(char *) + k;
1051                 if ( size > 0 ) {
1052                         char    *a_flags, **tmp;
1053
1054                         /*
1055                          * Reuse previous memory - we likely need less space
1056                          * for operational attributes
1057                          */
1058                         tmp = slap_sl_realloc( e_flags, i * sizeof(char *) + k,
1059                                 op->o_tmpmemctx );
1060                         if ( tmp == NULL ) {
1061 #ifdef NEW_LOGGING
1062                                 LDAP_LOG( OPERATION, ERR,
1063                                         "send_search_entry: conn %lu "
1064                                         "not enough memory "
1065                                         "for matched values filtering\n",
1066                                         op->o_connid, 0, 0);
1067 #else
1068                                 Debug( LDAP_DEBUG_ANY,
1069                                         "send_search_entry: conn %lu "
1070                                         "not enough memory "
1071                                         "for matched values filtering\n",
1072                                         op->o_connid, 0, 0 );
1073 #endif
1074                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1075                                 send_ldap_error( op, rs, LDAP_OTHER,
1076                                         "not enough memory for matched values filtering" );
1077                                 goto error_return;
1078                         }
1079                         e_flags = tmp;
1080                         a_flags = (char *)(e_flags + i);
1081                         memset( a_flags, 0, k );
1082                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1083                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
1084                                 e_flags[i] = a_flags;
1085                                 a_flags += j;
1086                         }
1087                         rc = filter_matched_values(op, aa, &e_flags) ;
1088
1089                         if ( rc == -1 ) {
1090 #ifdef NEW_LOGGING
1091                                 LDAP_LOG( OPERATION, ERR,
1092                                         "send_search_entry: conn %lu "
1093                                         "matched values filtering failed\n",
1094                                         op->o_connid ? op->o_connid : 0, 0, 0);
1095 #else
1096                                 Debug( LDAP_DEBUG_ANY,
1097                                         "matched values filtering failed\n", 0, 0, 0 );
1098 #endif
1099                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1100                                 send_ldap_error( op, rs, LDAP_OTHER,
1101                                         "matched values filtering error" );
1102                                 goto error_return;
1103                         }
1104                 }
1105         }
1106
1107         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
1108                 AttributeDescription *desc = a->a_desc;
1109
1110                 if ( rs->sr_attrs == NULL ) {
1111                         /* all attrs request, skip operational attributes */
1112                         if( is_at_operational( desc->ad_type ) ) {
1113                                 continue;
1114                         }
1115
1116                 } else {
1117                         /* specific attrs requested */
1118                         if( is_at_operational( desc->ad_type ) ) {
1119                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1120                                         continue;
1121                                 }
1122                         } else {
1123                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1124                                         continue;
1125                                 }
1126                         }
1127                 }
1128
1129                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
1130                         ACL_READ, &acl_state ) )
1131                 {
1132 #ifdef NEW_LOGGING
1133                         LDAP_LOG( ACL, INFO,
1134                                 "send_search_entry: conn %lu "
1135                                 "access to attribute %s not allowed\n",
1136                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1137 #else
1138                         Debug( LDAP_DEBUG_ACL,
1139                                 "send_search_entry: conn %lu "
1140                                 "access to attribute %s not allowed\n",
1141                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1142 #endif
1143
1144                         continue;
1145                 }
1146
1147                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1148                 if ( rc == -1 ) {
1149 #ifdef NEW_LOGGING
1150                         LDAP_LOG( OPERATION, ERR,
1151                                 "send_search_entry: conn %lu  "
1152                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1153 #else
1154                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1155 #endif
1156
1157                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1158                         send_ldap_error( op, rs, LDAP_OTHER,
1159                                 "encoding description error" );
1160                         attrs_free( aa );
1161                         goto error_return;
1162                 }
1163
1164                 if ( ! op->ors_attrsonly ) {
1165                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1166                                 if ( ! access_allowed( op, rs->sr_entry,
1167                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1168                                 {
1169 #ifdef NEW_LOGGING
1170                                         LDAP_LOG( ACL, INFO,
1171                                                 "send_search_entry: conn %lu "
1172                                                 "access to %s, value %d not allowed\n",
1173                                                 op->o_connid, desc->ad_cname.bv_val, i );
1174 #else
1175                                         Debug( LDAP_DEBUG_ACL,
1176                                                 "send_search_entry: access to attribute %s, "
1177                                                 "value %d not allowed\n",
1178                                                 desc->ad_cname.bv_val, i, 0 );
1179 #endif
1180
1181                                         continue;
1182                                 }
1183
1184                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1185                                         continue;
1186                                 }
1187
1188                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1189 #ifdef NEW_LOGGING
1190                                         LDAP_LOG( OPERATION, ERR,
1191                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1192                                                 op->o_connid, 0, 0 );
1193 #else
1194                                         Debug( LDAP_DEBUG_ANY,
1195                                             "ber_printf failed\n", 0, 0, 0 );
1196 #endif
1197
1198                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1199                                         send_ldap_error( op, rs, LDAP_OTHER,
1200                                                 "encoding values error" );
1201                                         attrs_free( aa );
1202                                         goto error_return;
1203                                 }
1204                         }
1205                 }
1206
1207                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1208 #ifdef NEW_LOGGING
1209                         LDAP_LOG( OPERATION, ERR,
1210                                 "send_search_entry: conn %lu  ber_printf failed\n",
1211                                 op->o_connid, 0, 0 );
1212 #else
1213                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1214 #endif
1215
1216                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1217                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1218                         attrs_free( aa );
1219                         goto error_return;
1220                 }
1221         }
1222
1223 #ifdef LDAP_SLAPI
1224         /*
1225          * First, setup the computed attribute context that is
1226          * passed to all plugins.
1227          */
1228         if ( op->o_pb ) {
1229                 ctx.cac_pb = op->o_pb;
1230                 ctx.cac_attrs = rs->sr_attrs;
1231                 ctx.cac_attrsonly = op->ors_attrsonly;
1232                 ctx.cac_userattrs = userattrs;
1233                 ctx.cac_opattrs = opattrs;
1234                 ctx.cac_acl_state = acl_state;
1235                 ctx.cac_private = (void *)ber;
1236
1237                 /*
1238                  * For each client requested attribute, call the plugins.
1239                  */
1240                 if ( rs->sr_attrs != NULL ) {
1241                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1242                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1243                                         rs->sr_entry, slapi_int_compute_output_ber );
1244                                 if ( rc == 1 ) break;
1245                         }
1246                 } else {
1247                         /*
1248                          * Technically we shouldn't be returning operational attributes
1249                          * when the user requested only user attributes. We'll let the
1250                          * plugin decide whether to be naughty or not.
1251                          */
1252                         rc = compute_evaluator( &ctx, "*",
1253                                 rs->sr_entry, slapi_int_compute_output_ber );
1254                 }
1255                 if ( rc == 1 ) {
1256                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1257                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1258                         goto error_return;
1259                 }
1260         }
1261 #endif /* LDAP_SLAPI */
1262
1263         /* free e_flags */
1264         if ( e_flags ) {
1265                 slap_sl_free( e_flags, op->o_tmpmemctx );
1266                 e_flags = NULL;
1267         }
1268
1269         attrs_free( aa );
1270         rc = ber_printf( ber, /*{{*/ "}N}" );
1271
1272         if( rc != -1 ) {
1273                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1274         }
1275
1276         if( rc != -1 ) {
1277 #ifdef LDAP_CONNECTIONLESS
1278                 if( op->o_conn && op->o_conn->c_is_udp ) {
1279                         if ( op->o_protocol != LDAP_VERSION2 ) {
1280                                 rc = ber_printf( ber, /*{*/ "N}" );
1281                         }
1282                 } else
1283 #endif
1284                 if ( op->o_res_ber == NULL ) {
1285                         rc = ber_printf( ber, /*{*/ "N}" );
1286                 }
1287         }
1288
1289         if ( rc == -1 ) {
1290 #ifdef NEW_LOGGING
1291                 LDAP_LOG( OPERATION, ERR,
1292                         "send_search_entry: conn %lu ber_printf failed\n",
1293                         op->o_connid, 0, 0 );
1294 #else
1295                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1296 #endif
1297
1298                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1299                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1300                 rc = 1;
1301                 goto error_return;
1302         }
1303
1304         if ( op->o_res_ber == NULL ) {
1305                 bytes = send_ldap_ber( op->o_conn, ber );
1306                 ber_free_buf( ber );
1307
1308                 if ( bytes < 0 ) {
1309 #ifdef NEW_LOGGING
1310                         LDAP_LOG( OPERATION, ERR,
1311                                 "send_search_entry: conn %lu  ber write failed.\n",
1312                                 op->o_connid, 0, 0 );
1313 #else
1314                         Debug( LDAP_DEBUG_ANY,
1315                                 "send_search_entry: ber write failed\n",
1316                                 0, 0, 0 );
1317 #endif
1318
1319                         rc = -1;
1320                         goto error_return;
1321                 }
1322                 rs->sr_nentries++;
1323
1324                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1325                 num_bytes_sent += bytes;
1326                 num_entries_sent++;
1327                 num_pdu_sent++;
1328                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1329         }
1330
1331         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1332             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1333
1334 #ifdef NEW_LOGGING
1335         LDAP_LOG( OPERATION, ENTRY,
1336                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1337 #else
1338         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1339 #endif
1340
1341         rc = 0;
1342
1343 error_return:;
1344         if ( e_flags ) {
1345                 slap_sl_free( e_flags, op->o_tmpmemctx );
1346         }
1347
1348         if ( op->o_callback ) {
1349                 slap_callback *sc = op->o_callback;
1350                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
1351                         if ( op->o_callback->sc_cleanup ) {
1352                                 (void)op->o_callback->sc_cleanup( op, rs );
1353                         }
1354                 }
1355                 op->o_callback = sc;
1356         }
1357
1358         /* FIXME: I think rs->sr_type should be explicitly set to
1359          * REP_SEARCH here. That's what it was when we entered this
1360          * function. send_ldap_error may have changed it, but we
1361          * should set it back so that the cleanup functions know
1362          * what they're doing.
1363          */
1364         if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
1365                 && rs->sr_entry
1366                 && ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) )
1367         {
1368                 entry_free( rs->sr_entry );
1369                 rs->sr_entry = NULL;
1370                 rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
1371         }
1372
1373         return( rc );
1374 }
1375
1376 int
1377 slap_send_search_reference( Operation *op, SlapReply *rs )
1378 {
1379         BerElementBuffer berbuf;
1380         BerElement      *ber = (BerElement *) &berbuf;
1381         int rc = 0;
1382         int bytes;
1383
1384         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1385         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1386
1387         rs->sr_type = REP_SEARCHREF;
1388         if (op->o_callback) {
1389                 slap_callback *sc = op->o_callback;
1390                 rc = SLAP_CB_CONTINUE;
1391                 for ( ; op->o_callback; ) {
1392                         if ( op->o_callback->sc_response ) {
1393                                 rc = op->o_callback->sc_response( op, rs );
1394                                 if ( rc != SLAP_CB_CONTINUE ) break;
1395                         }
1396                         op->o_callback = op->o_callback->sc_next;
1397                 }
1398                 op->o_callback = sc;
1399                 if ( rc != SLAP_CB_CONTINUE ) goto rel;
1400         }
1401
1402 #ifdef NEW_LOGGING
1403         LDAP_LOG( OPERATION, ENTRY,
1404                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1405                 op->o_connid,
1406                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1407 #else
1408         Debug( LDAP_DEBUG_TRACE,
1409                 "=> send_search_reference: dn=\"%s\"\n",
1410                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1411 #endif
1412
1413         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1414                 ad_entry, NULL, ACL_READ, NULL ) )
1415         {
1416 #ifdef NEW_LOGGING
1417                 LDAP_LOG( ACL, INFO,
1418                         "send_search_reference: conn %lu        "
1419                         "access to entry %s not allowed\n",
1420                         op->o_connid, rs->sr_entry->e_dn, 0 );
1421 #else
1422                 Debug( LDAP_DEBUG_ACL,
1423                         "send_search_reference: access to entry not allowed\n",
1424                     0, 0, 0 );
1425 #endif
1426                 rc = 1;
1427                 goto rel;
1428         }
1429
1430         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1431                 ad_ref, NULL, ACL_READ, NULL ) )
1432         {
1433 #ifdef NEW_LOGGING
1434                 LDAP_LOG( ACL, INFO,
1435                         "send_search_reference: conn %lu access "
1436                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1437 #else
1438                 Debug( LDAP_DEBUG_ACL,
1439                         "send_search_reference: access "
1440                         "to reference not allowed\n",
1441                     0, 0, 0 );
1442 #endif
1443                 rc = 1;
1444                 goto rel;
1445         }
1446
1447 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1448         if( op->o_domain_scope ) {
1449 #ifdef NEW_LOGGING
1450                 LDAP_LOG( OPERATION, ERR,
1451                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1452                         op->o_connid, rs->sr_entry->e_dn, 0 );
1453 #else
1454                 Debug( LDAP_DEBUG_ANY,
1455                         "send_search_reference: domainScope control in (%s)\n",
1456                         rs->sr_entry->e_dn, 0, 0 );
1457 #endif
1458                 rc = 0;
1459                 goto rel;
1460         }
1461 #endif
1462
1463         if( rs->sr_ref == NULL ) {
1464 #ifdef NEW_LOGGING
1465                 LDAP_LOG( OPERATION, ERR,
1466                         "send_search_reference: conn %lu null ref in (%s).\n",
1467                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1468 #else
1469                 Debug( LDAP_DEBUG_ANY,
1470                         "send_search_reference: null ref in (%s)\n",
1471                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1472 #endif
1473                 rc = 1;
1474                 goto rel;
1475         }
1476
1477         if( op->o_protocol < LDAP_VERSION3 ) {
1478                 rc = 0;
1479                 /* save the references for the result */
1480                 if( rs->sr_ref[0].bv_val != NULL ) {
1481                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1482                                 rc = LDAP_OTHER;
1483                 }
1484                 goto rel;
1485         }
1486
1487 #ifdef LDAP_CONNECTIONLESS
1488         if( op->o_conn && op->o_conn->c_is_udp ) {
1489                 ber = op->o_res_ber;
1490         } else
1491 #endif
1492         {
1493                 ber_init_w_nullc( ber, LBER_USE_DER );
1494                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1495         }
1496
1497         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1498                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1499
1500         if( rc != -1 ) {
1501                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1502         }
1503
1504         if( rc != -1 ) {
1505                 rc = ber_printf( ber, /*"{"*/ "N}" );
1506         }
1507
1508         if ( rc == -1 ) {
1509 #ifdef NEW_LOGGING
1510                 LDAP_LOG( OPERATION, ERR,
1511                         "send_search_reference: conn %lu        "
1512                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1513 #else
1514                 Debug( LDAP_DEBUG_ANY,
1515                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1516 #endif
1517
1518 #ifdef LDAP_CONNECTIONLESS
1519                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1520 #endif
1521                 ber_free_buf( ber );
1522                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1523                 goto rel;
1524         }
1525
1526 #ifdef LDAP_CONNECTIONLESS
1527         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1528 #endif
1529         bytes = send_ldap_ber( op->o_conn, ber );
1530         ber_free_buf( ber );
1531
1532         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1533         num_bytes_sent += bytes;
1534         num_refs_sent++;
1535         num_pdu_sent++;
1536         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1537 #ifdef LDAP_CONNECTIONLESS
1538         }
1539 #endif
1540
1541         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1542                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1543
1544 #ifdef NEW_LOGGING
1545         LDAP_LOG( OPERATION, ENTRY,
1546                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1547 #else
1548         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1549 #endif
1550
1551 rel:
1552         if ( op->o_callback ) {
1553                 slap_callback *sc = op->o_callback;
1554                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
1555                         if ( op->o_callback->sc_cleanup ) {
1556                                 (void)op->o_callback->sc_cleanup( op, rs );
1557                         }
1558                 }
1559                 op->o_callback = sc;
1560         }
1561
1562         return rc;
1563 }
1564
1565 int
1566 str2result(
1567     char        *s,
1568     int         *code,
1569     char        **matched,
1570     char        **info
1571 )
1572 {
1573         int     rc;
1574         char    *c;
1575
1576         *code = LDAP_SUCCESS;
1577         *matched = NULL;
1578         *info = NULL;
1579
1580         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1581 #ifdef NEW_LOGGING
1582                 LDAP_LOG( OPERATION, INFO,
1583                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1584 #else
1585                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1586                     s, 0, 0 );
1587 #endif
1588
1589                 return( -1 );
1590         }
1591
1592         rc = 0;
1593         while ( (s = strchr( s, '\n' )) != NULL ) {
1594                 *s++ = '\0';
1595                 if ( *s == '\0' ) {
1596                         break;
1597                 }
1598                 if ( (c = strchr( s, ':' )) != NULL ) {
1599                         c++;
1600                 }
1601
1602                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1603                         if ( c != NULL ) {
1604                                 *code = atoi( c );
1605                         }
1606                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1607                         if ( c != NULL ) {
1608                                 *matched = c;
1609                         }
1610                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1611                         if ( c != NULL ) {
1612                                 *info = c;
1613                         }
1614                 } else {
1615 #ifdef NEW_LOGGING
1616                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1617 #else
1618                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1619                             s, 0, 0 );
1620 #endif
1621
1622                         rc = -1;
1623                 }
1624         }
1625
1626         return( rc );
1627 }
1628
1629 int slap_read_controls(
1630         Operation *op,
1631         SlapReply *rs,
1632         Entry *e,
1633         const struct berval *oid,
1634         LDAPControl **ctrl )
1635 {
1636         int rc;
1637         struct berval bv;
1638         BerElementBuffer berbuf;
1639         BerElement *ber = (BerElement *) &berbuf;
1640         LDAPControl c;
1641         ber_len_t       siz, len;
1642         Operation myop;
1643
1644 #ifdef NEW_LOGGING
1645         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1646                 oid->bv_val, e->e_dn, 0 );
1647 #else
1648         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1649                 oid->bv_val, e->e_dn, 0 );
1650 #endif
1651
1652         rs->sr_entry = e;
1653         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1654                 op->o_preread_attrs : op->o_postread_attrs;
1655
1656         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1657         bv.bv_len = siz + len;
1658         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1659
1660         ber_init2( ber, &bv, LBER_USE_DER );
1661         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1662
1663         /* create new operation */
1664         myop = *op;
1665         myop.o_bd = NULL;
1666         myop.o_res_ber = ber;
1667
1668         rc = slap_send_search_entry( &myop, rs );
1669         if( rc ) return rc;
1670
1671         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1672
1673         if( rc == LBER_ERROR ) return LDAP_OTHER;
1674
1675         c.ldctl_oid = oid->bv_val;
1676         c.ldctl_iscritical = 0;
1677
1678         if ( ctrl == NULL ) {
1679                 /* first try */
1680                 *ctrl = (LDAPControl *) slap_sl_calloc( 1, sizeof(LDAPControl), NULL );
1681         } else {
1682                 /* retry: free previous try */
1683                 slap_sl_free( (*ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
1684         }
1685
1686         **ctrl = c;
1687         return LDAP_SUCCESS;
1688 }
1689
1690 /* Map API errors to protocol errors... */
1691 int
1692 slap_map_api2result( SlapReply *rs )
1693 {
1694         switch(rs->sr_err) {
1695         case LDAP_SERVER_DOWN:
1696                 return LDAP_UNAVAILABLE;
1697         case LDAP_LOCAL_ERROR:
1698                 return LDAP_OTHER;
1699         case LDAP_ENCODING_ERROR:
1700         case LDAP_DECODING_ERROR:
1701                 return LDAP_PROTOCOL_ERROR;
1702         case LDAP_TIMEOUT:
1703                 return LDAP_UNAVAILABLE;
1704         case LDAP_AUTH_UNKNOWN:
1705                 return LDAP_AUTH_METHOD_NOT_SUPPORTED;
1706         case LDAP_FILTER_ERROR:
1707                 rs->sr_text = "Filter error";
1708                 return LDAP_OTHER;
1709         case LDAP_USER_CANCELLED:
1710                 rs->sr_text = "User cancelled";
1711                 return LDAP_OTHER;
1712         case LDAP_PARAM_ERROR:
1713                 return LDAP_PROTOCOL_ERROR;
1714         case LDAP_NO_MEMORY:
1715                 return LDAP_OTHER;
1716         case LDAP_CONNECT_ERROR:
1717                 return LDAP_UNAVAILABLE;
1718         case LDAP_NOT_SUPPORTED:
1719                 return LDAP_UNWILLING_TO_PERFORM;
1720         case LDAP_CONTROL_NOT_FOUND:
1721                 return LDAP_PROTOCOL_ERROR;
1722         case LDAP_NO_RESULTS_RETURNED:
1723                 return LDAP_NO_SUCH_OBJECT;
1724         case LDAP_MORE_RESULTS_TO_RETURN:
1725                 rs->sr_text = "More results to return";
1726                 return LDAP_OTHER;
1727         case LDAP_CLIENT_LOOP:
1728         case LDAP_REFERRAL_LIMIT_EXCEEDED:
1729                 return LDAP_LOOP_DETECT;
1730         default:
1731                 if ( LDAP_API_ERROR(rs->sr_err) ) return LDAP_OTHER;
1732                 return rs->sr_err;
1733         }
1734 }
1735