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

   1 /* result.c - routines to send ldap results, errors, and referrals */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/errno.h>
  14 #include <ac/string.h>
  15 #include <ac/ctype.h>
  16 #include <ac/time.h>
  17 #include <ac/unistd.h>
  18
  19 #include "slap.h"
  20
  21 #ifdef LDAP_SLAPI
  22 #include "slapi.h"
  23 #endif
  24
  25 static char *v2ref( BerVarray ref, const char *text )
  26 {
  27         size_t len = 0, i = 0;
  28         char *v2;
  29
  30         if(ref == NULL) {
  31                 if (text) {
  32                         return ch_strdup(text);
  33                 } else {
  34                         return NULL;
  35                 }
  36         }
  37
  38         if ( text != NULL ) {
  39                 len = strlen( text );
  40                 if (text[len-1] != '\n') {
  41                     i = 1;
  42                 }
  43         }
  44
  45         v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
  46         if( v2 == NULL ) {
  47 #ifdef NEW_LOGGING
  48                 LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  49 #else
  50                 Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  51 #endif
  52                 return NULL;
  53         }
  54
  55         if( text != NULL ) {
  56                 strcpy(v2, text);
  57                 if( i ) {
  58                         v2[len++] = '\n';
  59                 }
  60         }
  61         strcpy( v2+len, "Referral:" );
  62         len += sizeof("Referral:");
  63
  64         for( i=0; ref[i].bv_val != NULL; i++ ) {
  65                 v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
  66                 if( v2 == NULL ) {
  67 #ifdef NEW_LOGGING
  68                         LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  69 #else
  70                         Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  71 #endif
  72                         return NULL;
  73                 }
  74                 v2[len-1] = '\n';
  75                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
  76                 len += ref[i].bv_len;
  77                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
  78                         ++len;
  79                 }
  80         }
  81
  82         v2[len-1] = '\0';
  83         return v2;
  84 }
  85
  86 static ber_tag_t req2res( ber_tag_t tag )
  87 {
  88         switch( tag ) {
  89         case LDAP_REQ_ADD:
  90         case LDAP_REQ_BIND:
  91         case LDAP_REQ_COMPARE:
  92         case LDAP_REQ_EXTENDED:
  93         case LDAP_REQ_MODIFY:
  94         case LDAP_REQ_MODRDN:
  95                 tag++;
  96                 break;
  97
  98         case LDAP_REQ_DELETE:
  99                 tag = LDAP_RES_DELETE;
 100                 break;
 101
 102         case LDAP_REQ_ABANDON:
 103         case LDAP_REQ_UNBIND:
 104                 tag = LBER_SEQUENCE;
 105                 break;
 106
 107         case LDAP_REQ_SEARCH:
 108                 tag = LDAP_RES_SEARCH_RESULT;
 109                 break;
 110
 111         default:
 112                 tag = LBER_SEQUENCE;
 113         }
 114
 115         return tag;
 116 }
 117
 118 static long send_ldap_ber(
 119         Connection *conn,
 120         BerElement *ber )
 121 {
 122         ber_len_t bytes;
 123
 124         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 125
 126         /* write only one pdu at a time - wait til it's our turn */
 127         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 128
 129         /* lock the connection */
 130         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 131
 132         /* write the pdu */
 133         while( 1 ) {
 134                 int err;
 135                 ber_socket_t    sd;
 136
 137                 if ( connection_state_closing( conn ) ) {
 138                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 139                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 140
 141                         return 0;
 142                 }
 143
 144                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 145                         break;
 146                 }
 147
 148                 err = errno;
 149
 150                 /*
 151                  * we got an error.  if it's ewouldblock, we need to
 152                  * wait on the socket being writable.  otherwise, figure
 153                  * it's a hard error and return.
 154                  */
 155
 156 #ifdef NEW_LOGGING
 157                 LDAP_LOG( OPERATION, ERR,
 158                         "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
 159                         conn ? conn->c_connid : 0, err, sock_errstr(err) );
 160 #else
 161                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 162                     err, sock_errstr(err), 0 );
 163 #endif
 164
 165                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 166                         connection_closing( conn );
 167
 168                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 169                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 170
 171                         return( -1 );
 172                 }
 173
 174                 /* wait for socket to be write-ready */
 175                 conn->c_writewaiter = 1;
 176                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 177                 slapd_set_write( sd, 1 );
 178
 179                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 180                 conn->c_writewaiter = 0;
 181         }
 182
 183         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 184         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 185
 186         return bytes;
 187 }
 188
 189 static int
 190 send_ldap_controls( BerElement *ber, LDAPControl **c )
 191 {
 192         int rc;
 193         if( c == NULL ) return 0;
 194
 195         rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
 196         if( rc == -1 ) return rc;
 197
 198         for( ; *c != NULL; c++) {
 199                 rc = ber_printf( ber, "{s" /*}*/, (*c)->ldctl_oid );
 200
 201                 if( (*c)->ldctl_iscritical ) {
 202                         rc = ber_printf( ber, "b",
 203                                 (ber_int_t) (*c)->ldctl_iscritical ) ;
 204                         if( rc == -1 ) return rc;
 205                 }
 206
 207                 if( (*c)->ldctl_value.bv_val != NULL ) {
 208                         rc = ber_printf( ber, "O", &((*c)->ldctl_value));
 209                         if( rc == -1 ) return rc;
 210                 }
 211
 212                 rc = ber_printf( ber, /*{*/"N}" );
 213                 if( rc == -1 ) return rc;
 214         }
 215
 216         rc = ber_printf( ber, /*{*/"N}" );
 217
 218         return rc;
 219 }
 220
 221 void
 222 send_ldap_response(
 223         Operation *op,
 224         SlapReply *rs )
 225 {
 226         char berbuf[LBER_ELEMENT_SIZEOF];
 227         BerElement      *ber = (BerElement *)berbuf;
 228         int             rc;
 229         long    bytes;
 230
 231         if (op->o_callback && op->o_callback->sc_response) {
 232                 rc = op->o_callback->sc_response( op, rs );
 233                 if ( rc != SLAP_CB_CONTINUE ) return;
 234         }
 235
 236 #ifdef LDAP_CONNECTIONLESS
 237         if (op->o_conn && op->o_conn->c_is_udp)
 238                 ber = op->o_res_ber;
 239         else
 240 #endif
 241         {
 242                 ber_init_w_nullc( ber, LBER_USE_DER );
 243                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 244         }
 245
 246 #ifdef NEW_LOGGING
 247         LDAP_LOG( OPERATION, ENTRY,
 248                 "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
 249                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 250 #else
 251         Debug( LDAP_DEBUG_TRACE,
 252                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 253                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 254 #endif
 255
 256         if( rs->sr_ref ) {
 257 #ifdef NEW_LOGGING
 258                 LDAP_LOG( OPERATION, ARGS,
 259                         "send_ldap_response: conn %lu  ref=\"%s\"\n",
 260                         op->o_connid,
 261                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
 262 #else
 263                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 264                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 265                         NULL, NULL );
 266 #endif
 267         }
 268
 269 #ifdef LDAP_CONNECTIONLESS
 270         if (op->o_conn && op->o_conn->c_is_udp &&
 271                 op->o_protocol == LDAP_VERSION2 )
 272         {
 273                 rc = ber_printf( ber, "t{ess" /*"}}"*/,
 274                         rs->sr_tag, rs->sr_err,
 275                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 276                 rs->sr_text == NULL ? "" : rs->sr_text );
 277         } else
 278 #endif
 279         if ( rs->sr_type == REP_INTERMEDIATE ) {
 280             rc = ber_printf( ber, "{it{" /*"}}"*/,
 281                         rs->sr_msgid, rs->sr_tag );
 282
 283         } else {
 284             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 285                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 286                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 287                 rs->sr_text == NULL ? "" : rs->sr_text );
 288         }
 289
 290         if( rc != -1 ) {
 291                 if ( rs->sr_ref != NULL ) {
 292                         assert( rs->sr_err == LDAP_REFERRAL );
 293                         rc = ber_printf( ber, "t{W}",
 294                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 295                 } else {
 296                         assert( rs->sr_err != LDAP_REFERRAL );
 297                 }
 298         }
 299
 300         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 301                 rc = ber_printf( ber, "tO",
 302                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 303         }
 304
 305         if( rc != -1 &&
 306                 ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
 307         {
 308                 if ( rs->sr_rspoid != NULL ) {
 309                         rc = ber_printf( ber, "ts",
 310                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 311                 }
 312                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 313                         rc = ber_printf( ber, "tO",
 314                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 315                 }
 316         }
 317
 318         if( rc != -1 ) {
 319                 rc = ber_printf( ber, /*"{"*/ "N}" );
 320         }
 321
 322         if( rc != -1 && rs->sr_ctrls != NULL ) {
 323                 rc = send_ldap_controls( ber, rs->sr_ctrls );
 324         }
 325
 326         if( rc != -1 ) {
 327                 rc = ber_printf( ber, /*"{"*/ "N}" );
 328         }
 329
 330 #ifdef LDAP_CONNECTIONLESS
 331         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 332                 rc = ber_printf( ber, /*"{"*/ "N}" );
 333         }
 334 #endif
 335
 336         if ( rc == -1 ) {
 337 #ifdef NEW_LOGGING
 338                 LDAP_LOG( OPERATION, ERR,
 339                         "send_ldap_response: conn %lu  ber_printf failed\n",
 340                         op->o_connid, 0, 0 );
 341 #else
 342                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 343 #endif
 344
 345 #ifdef LDAP_CONNECTIONLESS
 346                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 347 #endif
 348                 ber_free_buf( ber );
 349                 return;
 350         }
 351
 352         /* send BER */
 353         bytes = send_ldap_ber( op->o_conn, ber );
 354 #ifdef LDAP_CONNECTIONLESS
 355         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 356 #endif
 357         ber_free_buf( ber );
 358
 359         if ( bytes < 0 ) {
 360 #ifdef NEW_LOGGING
 361                 LDAP_LOG( OPERATION, ERR,
 362                         "send_ldap_response: conn %lu ber write failed\n",
 363                         op->o_connid ? op->o_connid : 0, 0, 0 );
 364 #else
 365                 Debug( LDAP_DEBUG_ANY,
 366                         "send_ldap_response: ber write failed\n",
 367                         0, 0, 0 );
 368 #endif
 369
 370                 return;
 371         }
 372
 373 #ifdef LDAP_SLAPI
 374         slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 375         slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 376         slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 377 #endif /* LDAP_SLAPI */
 378
 379         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 380         num_bytes_sent += bytes;
 381         num_pdu_sent++;
 382         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 383         return;
 384 }
 385
 386
 387 void
 388 send_ldap_disconnect( Operation *op, SlapReply *rs )
 389 {
 390 #define LDAP_UNSOLICITED_ERROR(e) \
 391         (  (e) == LDAP_PROTOCOL_ERROR \
 392         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 393         || (e) == LDAP_UNAVAILABLE )
 394
 395         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 396
 397         rs->sr_type = REP_EXTENDED;
 398
 399 #ifdef NEW_LOGGING
 400         LDAP_LOG( OPERATION, ENTRY,
 401                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 402                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 403 #else
 404         Debug( LDAP_DEBUG_TRACE,
 405                 "send_ldap_disconnect %d:%s\n",
 406                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 407 #endif
 408
 409
 410         if ( op->o_protocol < LDAP_VERSION3 ) {
 411                 rs->sr_rspoid = NULL;
 412                 rs->sr_tag = req2res( op->o_tag );
 413                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 414
 415         } else {
 416                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 417                 rs->sr_tag = LDAP_RES_EXTENDED;
 418                 rs->sr_msgid = 0;
 419         }
 420
 421         send_ldap_response( op, rs );
 422
 423         Statslog( LDAP_DEBUG_STATS,
 424             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 425                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 426 }
 427
 428 void
 429 slap_send_ldap_result( Operation *op, SlapReply *rs )
 430 {
 431         char *tmp = NULL;
 432         const char *otext = rs->sr_text;
 433         BerVarray oref = rs->sr_ref;
 434
 435         rs->sr_type = REP_RESULT;
 436
 437         assert( !LDAP_API_ERROR( rs->sr_err ) && ( rs->sr_err >= 0 ));
 438
 439 #ifdef NEW_LOGGING
 440         LDAP_LOG( OPERATION, ENTRY,
 441                 "send_ldap_result: conn %lu op=%lu p=%d\n",
 442                 op->o_connid, op->o_opid, op->o_protocol );
 443 #else
 444         Debug( LDAP_DEBUG_TRACE,
 445                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 446                 op->o_connid, op->o_opid, op->o_protocol );
 447 #endif
 448
 449 #ifdef NEW_LOGGING
 450         LDAP_LOG( OPERATION, ARGS,
 451                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 452                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 453                 rs->sr_text ? rs->sr_text : "" );
 454 #else
 455         Debug( LDAP_DEBUG_ARGS,
 456                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 457                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 458                 rs->sr_text ? rs->sr_text : "" );
 459 #endif
 460
 461
 462         if( rs->sr_ref ) {
 463 #ifdef NEW_LOGGING
 464                 LDAP_LOG( OPERATION, ARGS,
 465                         "send_ldap_result: referral=\"%s\"\n",
 466                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 467 #else
 468                 Debug( LDAP_DEBUG_ARGS,
 469                         "send_ldap_result: referral=\"%s\"\n",
 470                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 471                         NULL, NULL );
 472 #endif
 473         }
 474
 475         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 476
 477         if ( rs->sr_err == LDAP_REFERRAL ) {
 478 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 479                 if( op->o_domain_scope ) {
 480                         rs->sr_ref = NULL;
 481                 }
 482 #endif
 483                 if( rs->sr_ref == NULL ) {
 484                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 485                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 486                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 487                 }
 488         }
 489
 490 #ifdef LDAP_SLAPI
 491         /*
 492          * Call pre-result plugins. To avoid infinite recursion plugins
 493          * should just set SLAPI_RESULT_CODE rather than sending a
 494          * result if they wish to change the result.
 495          */
 496         slapi_x_pblock_set_operation( op->o_pb, op );
 497         slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 498         slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 499         slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 500
 501         (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN, op->o_pb );
 502 #endif /* LDAP_SLAPI */
 503
 504         if ( op->o_protocol < LDAP_VERSION3 ) {
 505                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 506                 rs->sr_text = tmp;
 507                 rs->sr_ref = NULL;
 508         }
 509
 510         rs->sr_tag = req2res( op->o_tag );
 511         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 512
 513         send_ldap_response( op, rs );
 514
 515         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 516                 char nbuf[64];
 517                 snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 518                         rs->sr_err, rs->sr_nentries );
 519
 520                 Statslog( LDAP_DEBUG_STATS,
 521                 "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 522                         op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 523                         rs->sr_text ? rs->sr_text : "" );
 524         } else {
 525                 Statslog( LDAP_DEBUG_STATS,
 526                         "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 527                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 528                         rs->sr_text ? rs->sr_text : "" );
 529         }
 530
 531         if( tmp != NULL ) ch_free(tmp);
 532         rs->sr_text = otext;
 533         rs->sr_ref = oref;
 534 }
 535
 536 void
 537 send_ldap_sasl( Operation *op, SlapReply *rs )
 538 {
 539         rs->sr_type = REP_SASL;
 540 #ifdef NEW_LOGGING
 541         LDAP_LOG( OPERATION, ENTRY,
 542                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 543                 op->o_connid, rs->sr_err,
 544                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 545 #else
 546         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 547                 rs->sr_err,
 548                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 549 #endif
 550
 551         rs->sr_tag = req2res( op->o_tag );
 552         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 553
 554         send_ldap_response( op, rs );
 555 }
 556
 557 void
 558 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 559 {
 560         rs->sr_type = REP_EXTENDED;
 561
 562 #ifdef NEW_LOGGING
 563         LDAP_LOG( OPERATION, ENTRY,
 564                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 565                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 566                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 567 #else
 568         Debug( LDAP_DEBUG_TRACE,
 569                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 570                 rs->sr_err,
 571                 rs->sr_rspoid ? rs->sr_rspoid : "",
 572                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 573 #endif
 574
 575         rs->sr_tag = req2res( op->o_tag );
 576         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 577
 578         send_ldap_response( op, rs );
 579 }
 580
 581 void
 582 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 583 {
 584         rs->sr_type = REP_INTERMEDIATE;
 585 #ifdef NEW_LOGGING
 586         LDAP_LOG( OPERATION, ENTRY,
 587                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 588                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 589                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 590 #else
 591         Debug( LDAP_DEBUG_TRACE,
 592                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 593                 rs->sr_err,
 594                 rs->sr_rspoid ? rs->sr_rspoid : "",
 595                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 596 #endif
 597         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 598         rs->sr_msgid = op->o_msgid;
 599         send_ldap_response( op, rs );
 600 }
 601
 602 int
 603 slap_send_search_entry( Operation *op, SlapReply *rs )
 604 {
 605         char berbuf[LBER_ELEMENT_SIZEOF];
 606         BerElement      *ber = (BerElement *)berbuf;
 607         Attribute       *a, *aa;
 608         int             i, j, rc=-1, bytes;
 609         char            *edn;
 610         int             userattrs;
 611         int             opattrs;
 612         AccessControlState acl_state = ACL_STATE_INIT;
 613 #ifdef LDAP_SLAPI
 614         /* Support for computed attribute plugins */
 615         computed_attr_context    ctx;
 616         AttributeName   *anp;
 617 #endif
 618         void            *mark = NULL;
 619
 620         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 621
 622         /* a_flags: array of flags telling if the i-th element will be
 623          *          returned or filtered out
 624          * e_flags: array of a_flags
 625          */
 626         char **e_flags = NULL;
 627
 628         rs->sr_type = REP_SEARCH;
 629         if (op->o_callback && op->o_callback->sc_response) {
 630                 rc = op->o_callback->sc_response( op, rs );
 631                 if ( rc != SLAP_CB_CONTINUE ) return rc;
 632         }
 633
 634 #ifdef NEW_LOGGING
 635         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 636                 op->o_connid, rs->sr_entry->e_name.bv_val,
 637                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 638 #else
 639         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 640                 rs->sr_entry->e_name.bv_val,
 641                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 642 #endif
 643
 644         mark = sl_mark( op->o_tmpmemctx );
 645
 646         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 647 #ifdef NEW_LOGGING
 648                 LDAP_LOG( ACL, INFO,
 649                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 650                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 651 #else
 652                 Debug( LDAP_DEBUG_ACL,
 653                         "send_search_entry: access to entry not allowed\n",
 654                     0, 0, 0 );
 655 #endif
 656
 657                 sl_release( mark, op->o_tmpmemctx );
 658                 return( 1 );
 659         }
 660
 661         edn = rs->sr_entry->e_nname.bv_val;
 662
 663         if ( op->o_res_ber ) {
 664                 /* read back control or LDAP_CONNECTIONLESS */
 665             ber = op->o_res_ber;
 666         } else {
 667                 ber_len_t       siz, len;
 668                 struct berval   bv;
 669
 670                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 671                 bv.bv_len = siz + len;
 672                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 673
 674                 ber_init2( ber, &bv, LBER_USE_DER );
 675                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 676         }
 677
 678 #ifdef LDAP_CONNECTIONLESS
 679         if ( op->o_conn && op->o_conn->c_is_udp ) {
 680                 /* CONNECTIONLESS */
 681                 if ( op->o_protocol == LDAP_VERSION2 ) {
 682                 rc = ber_printf(ber, "t{O{" /*}}*/,
 683                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 684                 } else {
 685                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 686                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 687                 }
 688         } else
 689 #endif
 690         if ( op->o_res_ber ) {
 691                 /* read back control */
 692             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 693         } else {
 694             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 695                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 696         }
 697
 698         if ( rc == -1 ) {
 699 #ifdef NEW_LOGGING
 700                 LDAP_LOG( OPERATION, ERR,
 701                         "send_search_entry: conn %lu  ber_printf failed\n",
 702                         op->o_connid, 0, 0 );
 703 #else
 704                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 705 #endif
 706
 707                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 708                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 709                 goto error_return;
 710         }
 711
 712         /* check for special all user attributes ("*") type */
 713         userattrs = ( rs->sr_attrs == NULL ) ? 1
 714                 : an_find( rs->sr_attrs, &AllUser );
 715
 716         /* check for special all operational attributes ("+") type */
 717         opattrs = ( rs->sr_attrs == NULL ) ? 0
 718                 : an_find( rs->sr_attrs, &AllOper );
 719
 720         /* create an array of arrays of flags. Each flag corresponds
 721          * to particular value of attribute and equals 1 if value matches
 722          * to ValuesReturnFilter or 0 if not
 723          */
 724         if ( op->o_vrFilter != NULL ) {
 725                 int     k = 0;
 726                 size_t  size;
 727
 728                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 729                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 730                 }
 731
 732                 size = i * sizeof(char *) + k;
 733                 if ( size > 0 ) {
 734                         char    *a_flags;
 735                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 736                         if( e_flags == NULL ) {
 737 #ifdef NEW_LOGGING
 738                                 LDAP_LOG( OPERATION, ERR,
 739                                         "send_search_entry: conn %lu sl_calloc failed\n",
 740                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 741 #else
 742                         Debug( LDAP_DEBUG_ANY,
 743                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 744 #endif
 745                                 ber_free( ber, 1 );
 746
 747                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 748                                 goto error_return;
 749                         }
 750                         a_flags = (char *)(e_flags + i);
 751                         memset( a_flags, 0, k );
 752                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 753                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 754                                 e_flags[i] = a_flags;
 755                                 a_flags += j;
 756                         }
 757
 758                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 759                         if ( rc == -1 ) {
 760 #ifdef NEW_LOGGING
 761                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 762                                         "conn %lu matched values filtering failed\n",
 763                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 764 #else
 765                         Debug( LDAP_DEBUG_ANY,
 766                                         "matched values filtering failed\n", 0, 0, 0 );
 767 #endif
 768                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 769                                 send_ldap_error( op, rs, LDAP_OTHER,
 770                                         "matched values filtering error" );
 771                                 goto error_return;
 772                         }
 773                 }
 774         }
 775
 776         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 777                 AttributeDescription *desc = a->a_desc;
 778
 779                 if ( rs->sr_attrs == NULL ) {
 780                         /* all attrs request, skip operational attributes */
 781                         if( is_at_operational( desc->ad_type ) ) {
 782                                 continue;
 783                         }
 784
 785                 } else {
 786                         /* specific attrs requested */
 787                         if ( is_at_operational( desc->ad_type ) ) {
 788                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 789                                         continue;
 790                                 }
 791
 792                         } else {
 793                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 794                                         continue;
 795                                 }
 796                         }
 797                 }
 798
 799                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 800                         ACL_READ, &acl_state ) )
 801                 {
 802 #ifdef NEW_LOGGING
 803                         LDAP_LOG( ACL, INFO,
 804                                 "send_search_entry: conn %lu  access to attribute %s not "
 805                                 "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 806 #else
 807                         Debug( LDAP_DEBUG_ACL, "acl: "
 808                                 "access to attribute %s not allowed\n",
 809                             desc->ad_cname.bv_val, 0, 0 );
 810 #endif
 811                         continue;
 812                 }
 813
 814                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 815 #ifdef NEW_LOGGING
 816                         LDAP_LOG( OPERATION, ERR,
 817                                 "send_search_entry: conn %lu  ber_printf failed\n",
 818                                 op->o_connid, 0, 0 );
 819 #else
 820                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 821 #endif
 822
 823                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 824                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error");
 825                         goto error_return;
 826                 }
 827
 828                 if ( ! op->ors_attrsonly ) {
 829                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 830                                 if ( ! access_allowed( op, rs->sr_entry,
 831                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 832                                 {
 833 #ifdef NEW_LOGGING
 834                                         LDAP_LOG( ACL, INFO,
 835                                                 "send_search_entry: conn %lu "
 836                                                 "access to attribute %s, value %d not allowed\n",
 837                                                 op->o_connid, desc->ad_cname.bv_val, i );
 838 #else
 839                                         Debug( LDAP_DEBUG_ACL,
 840                                                 "acl: access to attribute %s, "
 841                                                 "value %d not allowed\n",
 842                                                 desc->ad_cname.bv_val, i, 0 );
 843 #endif
 844
 845                                         continue;
 846                                 }
 847
 848                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 849                                         continue;
 850                                 }
 851
 852                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 853 #ifdef NEW_LOGGING
 854                                         LDAP_LOG( OPERATION, ERR,
 855                                                 "send_search_entry: conn %lu  "
 856                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
 857 #else
 858                                         Debug( LDAP_DEBUG_ANY,
 859                                             "ber_printf failed\n", 0, 0, 0 );
 860 #endif
 861
 862                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 863                                         send_ldap_error( op, rs, LDAP_OTHER,
 864                                                 "encoding values error" );
 865                                         goto error_return;
 866                                 }
 867                         }
 868                 }
 869
 870                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 871 #ifdef NEW_LOGGING
 872                         LDAP_LOG( OPERATION, ERR,
 873                                 "send_search_entry: conn %lu ber_printf failed\n",
 874                                 op->o_connid, 0, 0 );
 875 #else
 876                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 877 #endif
 878
 879                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 880                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
 881                         goto error_return;
 882                 }
 883         }
 884
 885         /* eventually will loop through generated operational attributes */
 886         /* only have subschemaSubentry and numSubordinates are implemented */
 887         aa = backend_operational( op, rs, opattrs );
 888
 889         if ( aa != NULL && op->o_vrFilter != NULL ) {
 890                 int     k = 0;
 891                 size_t  size;
 892
 893                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 894                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 895                 }
 896
 897                 size = i * sizeof(char *) + k;
 898                 if ( size > 0 ) {
 899                         char    *a_flags, **tmp;
 900
 901                         /*
 902                          * Reuse previous memory - we likely need less space
 903                          * for operational attributes
 904                          */
 905                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k,
 906                                 op->o_tmpmemctx );
 907                         if ( tmp == NULL ) {
 908 #ifdef NEW_LOGGING
 909                                 LDAP_LOG( OPERATION, ERR,
 910                                         "send_search_entry: conn %lu "
 911                                         "not enough memory "
 912                                         "for matched values filtering\n",
 913                                         op->o_connid, 0, 0);
 914 #else
 915                                 Debug( LDAP_DEBUG_ANY,
 916                                         "send_search_entry: conn %lu "
 917                                         "not enough memory "
 918                                         "for matched values filtering\n",
 919                                         op->o_connid, 0, 0 );
 920 #endif
 921                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 922                                 send_ldap_error( op, rs, LDAP_OTHER,
 923                                         "not enough memory for matched values filtering" );
 924                                 goto error_return;
 925                         }
 926                         e_flags = tmp;
 927                         a_flags = (char *)(e_flags + i);
 928                         memset( a_flags, 0, k );
 929                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 930                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 931                                 e_flags[i] = a_flags;
 932                                 a_flags += j;
 933                         }
 934                         rc = filter_matched_values(op, aa, &e_flags) ;
 935
 936                         if ( rc == -1 ) {
 937 #ifdef NEW_LOGGING
 938                                 LDAP_LOG( OPERATION, ERR,
 939                                         "send_search_entry: conn %lu "
 940                                         "matched values filtering failed\n",
 941                                         op->o_connid ? op->o_connid : 0, 0, 0);
 942 #else
 943                                 Debug( LDAP_DEBUG_ANY,
 944                                         "matched values filtering failed\n", 0, 0, 0 );
 945 #endif
 946                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 947                                 send_ldap_error( op, rs, LDAP_OTHER,
 948                                         "matched values filtering error" );
 949                                 goto error_return;
 950                         }
 951                 }
 952         }
 953
 954         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
 955                 AttributeDescription *desc = a->a_desc;
 956
 957                 if ( rs->sr_attrs == NULL ) {
 958                         /* all attrs request, skip operational attributes */
 959                         if( is_at_operational( desc->ad_type ) ) {
 960                                 continue;
 961                         }
 962
 963                 } else {
 964                         /* specific attrs requested */
 965                         if( is_at_operational( desc->ad_type ) ) {
 966                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 967                                         continue;
 968                                 }
 969                         } else {
 970                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 971                                         continue;
 972                                 }
 973                         }
 974                 }
 975
 976                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 977                         ACL_READ, &acl_state ) )
 978                 {
 979 #ifdef NEW_LOGGING
 980                         LDAP_LOG( ACL, INFO,
 981                                 "send_search_entry: conn %lu "
 982                                 "access to attribute %s not allowed\n",
 983                                 op->o_connid, desc->ad_cname.bv_val, 0 );
 984 #else
 985                         Debug( LDAP_DEBUG_ACL, "send_search_entry: access to attribute %s "
 986                                 "not allowed\n", desc->ad_cname.bv_val, 0, 0 );
 987 #endif
 988
 989                         continue;
 990                 }
 991
 992                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
 993                 if ( rc == -1 ) {
 994 #ifdef NEW_LOGGING
 995                         LDAP_LOG( OPERATION, ERR,
 996                                 "send_search_entry: conn %lu  "
 997                                 "ber_printf failed\n", op->o_connid, 0, 0 );
 998 #else
 999                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1000 #endif
1001
1002                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1003                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error" );
1004                         attrs_free( aa );
1005                         goto error_return;
1006                 }
1007
1008                 if ( ! op->ors_attrsonly ) {
1009                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1010                                 if ( ! access_allowed( op, rs->sr_entry,
1011                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1012                                 {
1013 #ifdef NEW_LOGGING
1014                                         LDAP_LOG( ACL, INFO,
1015                                                 "send_search_entry: conn %lu "
1016                                                 "access to %s, value %d not allowed\n",
1017                                                 op->o_connid, desc->ad_cname.bv_val, i );
1018 #else
1019                                         Debug( LDAP_DEBUG_ACL,
1020                                                 "send_search_entry: access to attribute %s, "
1021                                                 "value %d not allowed\n",
1022                                                 desc->ad_cname.bv_val, i, 0 );
1023 #endif
1024
1025                                         continue;
1026                                 }
1027
1028                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1029                                         continue;
1030                                 }
1031
1032                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1033 #ifdef NEW_LOGGING
1034                                         LDAP_LOG( OPERATION, ERR,
1035                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1036                                                 op->o_connid, 0, 0 );
1037 #else
1038                                         Debug( LDAP_DEBUG_ANY,
1039                                             "ber_printf failed\n", 0, 0, 0 );
1040 #endif
1041
1042                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1043                                         send_ldap_error( op, rs, LDAP_OTHER,
1044                                                 "encoding values error" );
1045                                         attrs_free( aa );
1046                                         goto error_return;
1047                                 }
1048                         }
1049                 }
1050
1051                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1052 #ifdef NEW_LOGGING
1053                         LDAP_LOG( OPERATION, ERR,
1054                                 "send_search_entry: conn %lu  ber_printf failed\n",
1055                                 op->o_connid, 0, 0 );
1056 #else
1057                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1058 #endif
1059
1060                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1061                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1062                         attrs_free( aa );
1063                         goto error_return;
1064                 }
1065         }
1066
1067 #ifdef LDAP_SLAPI
1068         /*
1069          * First, setup the computed attribute context that is
1070          * passed to all plugins.
1071          */
1072         ctx.cac_pb = op->o_pb;
1073         ctx.cac_attrs = rs->sr_attrs;
1074         ctx.cac_attrsonly = op->ors_attrsonly;
1075         ctx.cac_userattrs = userattrs;
1076         ctx.cac_opattrs = opattrs;
1077         ctx.cac_acl_state = acl_state;
1078         ctx.cac_private = (void *)ber;
1079
1080         /*
1081          * For each client requested attribute, call the plugins.
1082          */
1083         if ( rs->sr_attrs != NULL ) {
1084                 for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1085                         rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1086                                 rs->sr_entry, slapi_x_compute_output_ber );
1087                         if ( rc == 1 ) {
1088                                 break;
1089                         }
1090                 }
1091         } else {
1092                 /*
1093                  * Technically we shouldn't be returning operational attributes
1094                  * when the user requested only user attributes. We'll let the
1095                  * plugin decide whether to be naughty or not.
1096                  */
1097                 rc = compute_evaluator( &ctx, "*",
1098                         rs->sr_entry, slapi_x_compute_output_ber );
1099         }
1100         if ( rc == 1 ) {
1101                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1102                 send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1103                 goto error_return;
1104         }
1105 #endif /* LDAP_SLAPI */
1106
1107         /* free e_flags */
1108         if ( e_flags ) {
1109                 sl_free( e_flags, op->o_tmpmemctx );
1110                 e_flags = NULL;
1111         }
1112
1113         attrs_free( aa );
1114         rc = ber_printf( ber, /*{{*/ "}N}" );
1115
1116         if( rc != -1 && rs->sr_ctrls != NULL ) {
1117                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1118         }
1119
1120         if( rc != -1 ) {
1121 #ifdef LDAP_CONNECTIONLESS
1122                 if( op->o_conn && op->o_conn->c_is_udp ) {
1123                         if ( op->o_protocol != LDAP_VERSION2 ) {
1124                                 rc = ber_printf( ber, /*{*/ "N}" );
1125                         }
1126                 } else
1127 #endif
1128                 if ( op->o_res_ber == NULL ) {
1129                         rc = ber_printf( ber, /*{*/ "N}" );
1130                 }
1131         }
1132
1133         if ( rc == -1 ) {
1134 #ifdef NEW_LOGGING
1135                 LDAP_LOG( OPERATION, ERR,
1136                         "send_search_entry: conn %lu ber_printf failed\n",
1137                         op->o_connid, 0, 0 );
1138 #else
1139                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1140 #endif
1141
1142                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1143                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1144                 sl_release( mark, op->o_tmpmemctx );
1145                 return( 1 );
1146         }
1147
1148         if ( op->o_res_ber == NULL ) {
1149                 bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1150                 ber_free_buf( ber );
1151
1152                 if ( bytes < 0 ) {
1153 #ifdef NEW_LOGGING
1154                         LDAP_LOG( OPERATION, ERR,
1155                                 "send_search_entry: conn %lu  ber write failed.\n",
1156                                 op->o_connid, 0, 0 );
1157 #else
1158                         Debug( LDAP_DEBUG_ANY,
1159                                 "send_search_entry: ber write failed\n",
1160                                 0, 0, 0 );
1161 #endif
1162
1163                         sl_release( mark, op->o_tmpmemctx );
1164                         return -1;
1165                 }
1166                 rs->sr_nentries++;
1167
1168                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1169                 num_bytes_sent += bytes;
1170                 num_entries_sent++;
1171                 num_pdu_sent++;
1172                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1173         }
1174
1175         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1176             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1177
1178 #ifdef NEW_LOGGING
1179         LDAP_LOG( OPERATION, ENTRY,
1180                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1181 #else
1182         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1183 #endif
1184
1185         rc = 0;
1186
1187 error_return:;
1188         sl_release( mark, op->o_tmpmemctx );
1189         if ( e_flags ) sl_free( e_flags, op->o_tmpmemctx );
1190         return( rc );
1191 }
1192
1193 int
1194 slap_send_search_reference( Operation *op, SlapReply *rs )
1195 {
1196         char berbuf[LBER_ELEMENT_SIZEOF];
1197         BerElement      *ber = (BerElement *)berbuf;
1198         int rc = 0;
1199         int bytes;
1200         void *mark;
1201
1202         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1203         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1204
1205         rs->sr_type = REP_SEARCHREF;
1206         if (op->o_callback && op->o_callback->sc_response) {
1207                 rc = op->o_callback->sc_response( op, rs );
1208                 if ( rc != SLAP_CB_CONTINUE ) return rc;
1209         }
1210
1211         mark = sl_mark( op->o_tmpmemctx );
1212
1213 #ifdef NEW_LOGGING
1214         LDAP_LOG( OPERATION, ENTRY,
1215                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1216                 op->o_connid,
1217                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1218 #else
1219         Debug( LDAP_DEBUG_TRACE,
1220                 "=> send_search_reference: dn=\"%s\"\n",
1221                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1222 #endif
1223
1224         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1225                 ad_entry, NULL, ACL_READ, NULL ) )
1226         {
1227 #ifdef NEW_LOGGING
1228                 LDAP_LOG( ACL, INFO,
1229                         "send_search_reference: conn %lu        "
1230                         "access to entry %s not allowed\n",
1231                         op->o_connid, rs->sr_entry->e_dn, 0 );
1232 #else
1233                 Debug( LDAP_DEBUG_ACL,
1234                         "send_search_reference: access to entry not allowed\n",
1235                     0, 0, 0 );
1236 #endif
1237                 rc = 1;
1238                 goto rel;
1239         }
1240
1241         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1242                 ad_ref, NULL, ACL_READ, NULL ) )
1243         {
1244 #ifdef NEW_LOGGING
1245                 LDAP_LOG( ACL, INFO,
1246                         "send_search_reference: conn %lu access "
1247                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1248 #else
1249                 Debug( LDAP_DEBUG_ACL,
1250                         "send_search_reference: access "
1251                         "to reference not allowed\n",
1252                     0, 0, 0 );
1253 #endif
1254                 rc = 1;
1255                 goto rel;
1256         }
1257
1258 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1259         if( op->o_domain_scope ) {
1260 #ifdef NEW_LOGGING
1261                 LDAP_LOG( OPERATION, ERR,
1262                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1263                         op->o_connid, rs->sr_entry->e_dn, 0 );
1264 #else
1265                 Debug( LDAP_DEBUG_ANY,
1266                         "send_search_reference: domainScope control in (%s)\n",
1267                         rs->sr_entry->e_dn, 0, 0 );
1268 #endif
1269                 rc = 0;
1270                 goto rel;
1271         }
1272 #endif
1273
1274         if( rs->sr_ref == NULL ) {
1275 #ifdef NEW_LOGGING
1276                 LDAP_LOG( OPERATION, ERR,
1277                         "send_search_reference: conn %lu null ref in (%s).\n",
1278                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1279 #else
1280                 Debug( LDAP_DEBUG_ANY,
1281                         "send_search_reference: null ref in (%s)\n",
1282                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1283 #endif
1284                 rc = 1;
1285                 goto rel;
1286         }
1287
1288         if( op->o_protocol < LDAP_VERSION3 ) {
1289                 /* save the references for the result */
1290                 if( rs->sr_ref[0].bv_val != NULL ) {
1291                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1292                                 return LDAP_OTHER;
1293                 }
1294                 rc = 0;
1295                 goto rel;
1296         }
1297
1298 #ifdef LDAP_CONNECTIONLESS
1299         if( op->o_conn && op->o_conn->c_is_udp ) {
1300                 ber = op->o_res_ber;
1301         } else
1302 #endif
1303         {
1304                 ber_init_w_nullc( ber, LBER_USE_DER );
1305                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1306         }
1307
1308         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1309                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1310
1311         if( rc != -1 && rs->sr_ctrls != NULL ) {
1312                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1313         }
1314
1315         if( rc != -1 ) {
1316                 rc = ber_printf( ber, /*"{"*/ "N}" );
1317         }
1318
1319         if ( rc == -1 ) {
1320 #ifdef NEW_LOGGING
1321                 LDAP_LOG( OPERATION, ERR,
1322                         "send_search_reference: conn %lu        "
1323                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1324 #else
1325                 Debug( LDAP_DEBUG_ANY,
1326                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1327 #endif
1328
1329 #ifdef LDAP_CONNECTIONLESS
1330                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1331 #endif
1332                 ber_free_buf( ber );
1333                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1334                 goto rel;
1335         }
1336
1337 #ifdef LDAP_CONNECTIONLESS
1338         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1339 #endif
1340         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1341         ber_free_buf( ber );
1342
1343         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1344         num_bytes_sent += bytes;
1345         num_refs_sent++;
1346         num_pdu_sent++;
1347         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1348 #ifdef LDAP_CONNECTIONLESS
1349         }
1350 #endif
1351
1352         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1353                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1354
1355 #ifdef NEW_LOGGING
1356         LDAP_LOG( OPERATION, ENTRY,
1357                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1358 #else
1359         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1360 #endif
1361
1362 rel:
1363         sl_release( mark, op->o_tmpmemctx );
1364         return rc;
1365 }
1366
1367 int
1368 str2result(
1369     char        *s,
1370     int         *code,
1371     char        **matched,
1372     char        **info
1373 )
1374 {
1375         int     rc;
1376         char    *c;
1377
1378         *code = LDAP_SUCCESS;
1379         *matched = NULL;
1380         *info = NULL;
1381
1382         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1383 #ifdef NEW_LOGGING
1384                 LDAP_LOG( OPERATION, INFO,
1385                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1386 #else
1387                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1388                     s, 0, 0 );
1389 #endif
1390
1391                 return( -1 );
1392         }
1393
1394         rc = 0;
1395         while ( (s = strchr( s, '\n' )) != NULL ) {
1396                 *s++ = '\0';
1397                 if ( *s == '\0' ) {
1398                         break;
1399                 }
1400                 if ( (c = strchr( s, ':' )) != NULL ) {
1401                         c++;
1402                 }
1403
1404                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1405                         if ( c != NULL ) {
1406                                 *code = atoi( c );
1407                         }
1408                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1409                         if ( c != NULL ) {
1410                                 *matched = c;
1411                         }
1412                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1413                         if ( c != NULL ) {
1414                                 *info = c;
1415                         }
1416                 } else {
1417 #ifdef NEW_LOGGING
1418                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1419 #else
1420                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1421                             s, 0, 0 );
1422 #endif
1423
1424                         rc = -1;
1425                 }
1426         }
1427
1428         return( rc );
1429 }
1430
1431 int slap_read_controls(
1432         Operation *op,
1433         SlapReply *rs,
1434         Entry *e,
1435         const struct berval *oid,
1436         LDAPControl **ctrl )
1437 {
1438         int rc;
1439         struct berval bv;
1440         char berbuf[LBER_ELEMENT_SIZEOF];
1441         BerElement *ber = (BerElement *) berbuf;
1442         LDAPControl c;
1443         ber_len_t       siz, len;
1444         Operation myop;
1445
1446 #ifdef NEW_LOGGING
1447         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1448                 oid->bv_val, e->e_dn, 0 );
1449 #else
1450         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1451                 oid->bv_val, e->e_dn, 0 );
1452 #endif
1453
1454         rs->sr_entry = e;
1455         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1456                 op->o_preread_attrs : op->o_postread_attrs;
1457
1458         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1459         bv.bv_len = siz + len;
1460         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1461
1462         ber_init2( ber, &bv, LBER_USE_DER );
1463         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1464
1465         /* create new operation */
1466         myop = *op;
1467         myop.o_bd = NULL;
1468         myop.o_res_ber = ber;
1469
1470         rc = slap_send_search_entry( &myop, rs );
1471         if( rc ) return rc;
1472
1473         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1474
1475         if( rc == LBER_ERROR ) return LDAP_OTHER;
1476
1477         c.ldctl_oid = oid->bv_val;
1478         c.ldctl_iscritical = 0;
1479
1480         *ctrl = sl_calloc( 1, sizeof(LDAPControl), NULL );
1481         **ctrl = c;
1482         return LDAP_SUCCESS;
1483 }