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