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