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

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