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_control( BerElement *ber, LDAPControl *c )
 215 {
 216         int rc;
 217
 218         assert( c != NULL );
 219
 220         rc = ber_printf( ber, "{s" /*}*/, c->ldctl_oid );
 221
 222         if( c->ldctl_iscritical ) {
 223                 rc = ber_printf( ber, "b",
 224                         (ber_int_t) c->ldctl_iscritical ) ;
 225                 if( rc == -1 ) return rc;
 226         }
 227
 228         if( c->ldctl_value.bv_val != NULL ) {
 229                 rc = ber_printf( ber, "O", &c->ldctl_value );
 230                 if( rc == -1 ) return rc;
 231         }
 232
 233         rc = ber_printf( ber, /*{*/"N}" );
 234         if( rc == -1 ) return rc;
 235
 236         return 0;
 237 }
 238
 239 static int
 240 send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 241 {
 242         int rc;
 243 #ifdef LDAP_SLAPI
 244         LDAPControl **sctrls = NULL;
 245
 246         /*
 247          * Retrieve any additional controls that may be set by the
 248          * plugin.
 249          */
 250
 251         if ( slapi_pblock_get( o->o_pb, SLAPI_RESCONTROLS, &sctrls ) != 0 ) {
 252                 sctrls = NULL;
 253         }
 254
 255         if ( c == NULL && sctrls == NULL ) return 0;
 256 #else
 257         if( c == NULL ) return 0;
 258 #endif /* LDAP_SLAPI */
 259
 260         rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
 261         if( rc == -1 ) return rc;
 262
 263 #ifdef LDAP_SLAPI
 264         if ( c != NULL )
 265 #endif /* LDAP_SLAPI */
 266         for( ; *c != NULL; c++) {
 267                 rc = send_ldap_control( ber, *c );
 268                 if( rc == -1 ) return rc;
 269         }
 270
 271 #ifdef LDAP_SLAPI
 272         if ( sctrls != NULL ) {
 273                 for ( c = sctrls; *c != NULL; c++ ) {
 274                         rc = send_ldap_control( ber, *c );
 275                         if( rc == -1 ) return rc;
 276                 }
 277         }
 278 #endif /* LDAP_SLAPI */
 279
 280         rc = ber_printf( ber, /*{*/"N}" );
 281
 282         return rc;
 283 }
 284
 285 void
 286 send_ldap_response(
 287         Operation *op,
 288         SlapReply *rs )
 289 {
 290         BerElementBuffer berbuf;
 291         BerElement      *ber = (BerElement *) &berbuf;
 292         int             rc;
 293         long    bytes;
 294
 295         if (op->o_callback) {
 296                 slap_callback *sc = op->o_callback;
 297                 for ( ; op->o_callback; ) {
 298                         if ( op->o_callback->sc_response ) {
 299                                 rc = op->o_callback->sc_response( op, rs );
 300                                 if ( rc != SLAP_CB_CONTINUE ) break;
 301                         }
 302                         op->o_callback = op->o_callback->sc_next;
 303                 }
 304                 op->o_callback = sc;
 305                 if ( rc != SLAP_CB_CONTINUE ) goto cleanup;
 306         }
 307
 308 #ifdef LDAP_CONNECTIONLESS
 309         if (op->o_conn && op->o_conn->c_is_udp)
 310                 ber = op->o_res_ber;
 311         else
 312 #endif
 313         {
 314                 ber_init_w_nullc( ber, LBER_USE_DER );
 315                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 316         }
 317
 318 #ifdef NEW_LOGGING
 319         LDAP_LOG( OPERATION, ENTRY,
 320                 "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
 321                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 322 #else
 323         Debug( LDAP_DEBUG_TRACE,
 324                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 325                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 326 #endif
 327
 328         if( rs->sr_ref ) {
 329 #ifdef NEW_LOGGING
 330                 LDAP_LOG( OPERATION, ARGS,
 331                         "send_ldap_response: conn %lu  ref=\"%s\"\n",
 332                         op->o_connid,
 333                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
 334 #else
 335                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 336                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 337                         NULL, NULL );
 338 #endif
 339         }
 340
 341 #ifdef LDAP_CONNECTIONLESS
 342         if (op->o_conn && op->o_conn->c_is_udp &&
 343                 op->o_protocol == LDAP_VERSION2 )
 344         {
 345                 rc = ber_printf( ber, "t{ess" /*"}}"*/,
 346                         rs->sr_tag, rs->sr_err,
 347                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 348                 rs->sr_text == NULL ? "" : rs->sr_text );
 349         } else
 350 #endif
 351         if ( rs->sr_type == REP_INTERMEDIATE ) {
 352             rc = ber_printf( ber, "{it{" /*"}}"*/,
 353                         rs->sr_msgid, rs->sr_tag );
 354
 355         } else {
 356             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 357                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 358                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 359                 rs->sr_text == NULL ? "" : rs->sr_text );
 360         }
 361
 362         if( rc != -1 ) {
 363                 if ( rs->sr_ref != NULL ) {
 364                         assert( rs->sr_err == LDAP_REFERRAL );
 365                         rc = ber_printf( ber, "t{W}",
 366                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 367                 } else {
 368                         assert( rs->sr_err != LDAP_REFERRAL );
 369                 }
 370         }
 371
 372         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 373                 rc = ber_printf( ber, "tO",
 374                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 375         }
 376
 377         if( rc != -1 &&
 378                 ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
 379         {
 380                 if ( rs->sr_rspoid != NULL ) {
 381                         rc = ber_printf( ber, "ts",
 382                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 383                 }
 384                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 385                         rc = ber_printf( ber, "tO",
 386                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 387                 }
 388         }
 389
 390         if( rc != -1 ) {
 391                 rc = ber_printf( ber, /*"{"*/ "N}" );
 392         }
 393
 394         if( rc != -1 ) {
 395                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
 396         }
 397
 398         if( rc != -1 ) {
 399                 rc = ber_printf( ber, /*"{"*/ "N}" );
 400         }
 401
 402 #ifdef LDAP_CONNECTIONLESS
 403         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 404                 rc = ber_printf( ber, /*"{"*/ "N}" );
 405         }
 406 #endif
 407
 408         if ( rc == -1 ) {
 409 #ifdef NEW_LOGGING
 410                 LDAP_LOG( OPERATION, ERR,
 411                         "send_ldap_response: conn %lu  ber_printf failed\n",
 412                         op->o_connid, 0, 0 );
 413 #else
 414                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 415 #endif
 416
 417 #ifdef LDAP_CONNECTIONLESS
 418                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 419 #endif
 420                 ber_free_buf( ber );
 421                 goto cleanup;
 422         }
 423
 424         /* send BER */
 425         bytes = send_ldap_ber( op->o_conn, ber );
 426 #ifdef LDAP_CONNECTIONLESS
 427         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 428 #endif
 429         ber_free_buf( ber );
 430
 431         if ( bytes < 0 ) {
 432 #ifdef NEW_LOGGING
 433                 LDAP_LOG( OPERATION, ERR,
 434                         "send_ldap_response: conn %lu ber write failed\n",
 435                         op->o_connid ? op->o_connid : 0, 0, 0 );
 436 #else
 437                 Debug( LDAP_DEBUG_ANY,
 438                         "send_ldap_response: ber write failed\n",
 439                         0, 0, 0 );
 440 #endif
 441
 442                 goto cleanup;
 443         }
 444
 445 #ifdef LDAP_SLAPI
 446         if ( op->o_pb ) {
 447                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 448                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 449                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 450         }
 451 #endif /* LDAP_SLAPI */
 452
 453         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 454         num_bytes_sent += bytes;
 455         num_pdu_sent++;
 456         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 457
 458 cleanup:;
 459         if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
 460                 free( (char *)rs->sr_matched );
 461                 rs->sr_matched = NULL;
 462         }
 463
 464         if (op->o_callback) {
 465                 slap_callback *sc = op->o_callback;
 466                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
 467                         if ( op->o_callback->sc_cleanup ) {
 468                                 op->o_callback->sc_cleanup( op, rs );
 469                         }
 470                 }
 471                 op->o_callback = sc;
 472         }
 473
 474         return;
 475 }
 476
 477
 478 void
 479 send_ldap_disconnect( Operation *op, SlapReply *rs )
 480 {
 481 #define LDAP_UNSOLICITED_ERROR(e) \
 482         (  (e) == LDAP_PROTOCOL_ERROR \
 483         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 484         || (e) == LDAP_UNAVAILABLE )
 485
 486         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 487
 488         rs->sr_type = REP_EXTENDED;
 489
 490 #ifdef NEW_LOGGING
 491         LDAP_LOG( OPERATION, ENTRY,
 492                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 493                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 494 #else
 495         Debug( LDAP_DEBUG_TRACE,
 496                 "send_ldap_disconnect %d:%s\n",
 497                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 498 #endif
 499
 500
 501         if ( op->o_protocol < LDAP_VERSION3 ) {
 502                 rs->sr_rspoid = NULL;
 503                 rs->sr_tag = req2res( op->o_tag );
 504                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 505
 506         } else {
 507                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 508                 rs->sr_tag = LDAP_RES_EXTENDED;
 509                 rs->sr_msgid = 0;
 510         }
 511
 512         send_ldap_response( op, rs );
 513
 514         Statslog( LDAP_DEBUG_STATS,
 515             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 516                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 517 }
 518
 519 void
 520 slap_send_ldap_result( Operation *op, SlapReply *rs )
 521 {
 522         char *tmp = NULL;
 523         const char *otext = rs->sr_text;
 524         BerVarray oref = rs->sr_ref;
 525
 526         rs->sr_type = REP_RESULT;
 527
 528         assert( !LDAP_API_ERROR( rs->sr_err ) && ( rs->sr_err >= 0 ));
 529
 530 #ifdef NEW_LOGGING
 531         LDAP_LOG( OPERATION, ENTRY,
 532                 "send_ldap_result: conn %lu op=%lu p=%d\n",
 533                 op->o_connid, op->o_opid, op->o_protocol );
 534 #else
 535         Debug( LDAP_DEBUG_TRACE,
 536                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 537                 op->o_connid, op->o_opid, op->o_protocol );
 538 #endif
 539
 540 #ifdef NEW_LOGGING
 541         LDAP_LOG( OPERATION, ARGS,
 542                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 543                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 544                 rs->sr_text ? rs->sr_text : "" );
 545 #else
 546         Debug( LDAP_DEBUG_ARGS,
 547                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 548                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 549                 rs->sr_text ? rs->sr_text : "" );
 550 #endif
 551
 552
 553         if( rs->sr_ref ) {
 554 #ifdef NEW_LOGGING
 555                 LDAP_LOG( OPERATION, ARGS,
 556                         "send_ldap_result: referral=\"%s\"\n",
 557                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 558 #else
 559                 Debug( LDAP_DEBUG_ARGS,
 560                         "send_ldap_result: referral=\"%s\"\n",
 561                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 562                         NULL, NULL );
 563 #endif
 564         }
 565
 566         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 567
 568         if ( rs->sr_err == LDAP_REFERRAL ) {
 569 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 570                 if( op->o_domain_scope ) {
 571                         rs->sr_ref = NULL;
 572                 }
 573 #endif
 574                 if( rs->sr_ref == NULL ) {
 575                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 576                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 577                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 578                 }
 579         }
 580
 581 #ifdef LDAP_SLAPI
 582         /*
 583          * Call pre-result plugins. To avoid infinite recursion plugins
 584          * should just set SLAPI_RESULT_CODE rather than sending a
 585          * result if they wish to change the result.
 586          */
 587         if ( op->o_pb ) {
 588                 slapi_int_pblock_set_operation( op->o_pb, op );
 589                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 590                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 591                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 592
 593                 (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN, op->o_pb );
 594         }
 595 #endif /* LDAP_SLAPI */
 596
 597         if ( op->o_protocol < LDAP_VERSION3 ) {
 598                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 599                 rs->sr_text = tmp;
 600                 rs->sr_ref = NULL;
 601         }
 602
 603         rs->sr_tag = req2res( op->o_tag );
 604         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 605
 606         send_ldap_response( op, rs );
 607
 608         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 609                 char nbuf[64];
 610                 snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 611                         rs->sr_err, rs->sr_nentries );
 612
 613                 Statslog( LDAP_DEBUG_STATS,
 614                 "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 615                         op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 616                         rs->sr_text ? rs->sr_text : "" );
 617         } else {
 618                 Statslog( LDAP_DEBUG_STATS,
 619                         "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 620                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 621                         rs->sr_text ? rs->sr_text : "" );
 622         }
 623
 624         if( tmp != NULL ) ch_free(tmp);
 625         rs->sr_text = otext;
 626         rs->sr_ref = oref;
 627 }
 628
 629 void
 630 send_ldap_sasl( Operation *op, SlapReply *rs )
 631 {
 632         rs->sr_type = REP_SASL;
 633 #ifdef NEW_LOGGING
 634         LDAP_LOG( OPERATION, ENTRY,
 635                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 636                 op->o_connid, rs->sr_err,
 637                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 638 #else
 639         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 640                 rs->sr_err,
 641                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 642 #endif
 643
 644         rs->sr_tag = req2res( op->o_tag );
 645         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 646
 647         send_ldap_response( op, rs );
 648 }
 649
 650 void
 651 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 652 {
 653         rs->sr_type = REP_EXTENDED;
 654
 655 #ifdef NEW_LOGGING
 656         LDAP_LOG( OPERATION, ENTRY,
 657                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 658                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 659                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 660 #else
 661         Debug( LDAP_DEBUG_TRACE,
 662                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 663                 rs->sr_err,
 664                 rs->sr_rspoid ? rs->sr_rspoid : "",
 665                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 666 #endif
 667
 668         rs->sr_tag = req2res( op->o_tag );
 669         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 670
 671         send_ldap_response( op, rs );
 672 }
 673
 674 void
 675 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 676 {
 677         rs->sr_type = REP_INTERMEDIATE;
 678 #ifdef NEW_LOGGING
 679         LDAP_LOG( OPERATION, ENTRY,
 680                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 681                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 682                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 683 #else
 684         Debug( LDAP_DEBUG_TRACE,
 685                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 686                 rs->sr_err,
 687                 rs->sr_rspoid ? rs->sr_rspoid : "",
 688                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 689 #endif
 690         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 691         rs->sr_msgid = op->o_msgid;
 692         send_ldap_response( op, rs );
 693 }
 694
 695 int
 696 slap_send_search_entry( Operation *op, SlapReply *rs )
 697 {
 698         BerElementBuffer berbuf;
 699         BerElement      *ber = (BerElement *) &berbuf;
 700         Attribute       *a, *aa;
 701         int             i, j, rc=-1, bytes;
 702         char            *edn;
 703         int             userattrs;
 704         int             opattrs;
 705         AccessControlState acl_state = ACL_STATE_INIT;
 706 #ifdef LDAP_SLAPI
 707         /* Support for computed attribute plugins */
 708         computed_attr_context    ctx;
 709         AttributeName   *anp;
 710 #endif
 711         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 712
 713         /* a_flags: array of flags telling if the i-th element will be
 714          *          returned or filtered out
 715          * e_flags: array of a_flags
 716          */
 717         char **e_flags = NULL;
 718
 719         rs->sr_type = REP_SEARCH;
 720         if (op->o_callback) {
 721                 slap_callback *sc = op->o_callback;
 722                 for ( ; op->o_callback; ) {
 723                         if ( op->o_callback->sc_response ) {
 724                                 rc = op->o_callback->sc_response( op, rs );
 725                                 if ( rc != SLAP_CB_CONTINUE ) break;
 726                         }
 727                         op->o_callback = op->o_callback->sc_next;
 728                 }
 729                 op->o_callback = sc;
 730                 if ( rc != SLAP_CB_CONTINUE ) goto error_return;
 731         }
 732
 733 #ifdef NEW_LOGGING
 734         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 735                 op->o_connid, rs->sr_entry->e_name.bv_val,
 736                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 737 #else
 738         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 739                 rs->sr_entry->e_name.bv_val,
 740                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 741 #endif
 742
 743         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 744 #ifdef NEW_LOGGING
 745                 LDAP_LOG( ACL, INFO,
 746                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 747                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 748 #else
 749                 Debug( LDAP_DEBUG_ACL,
 750                         "send_search_entry: access to entry not allowed\n",
 751                     0, 0, 0 );
 752 #endif
 753
 754                 rc = 1;
 755                 goto error_return;
 756         }
 757
 758         edn = rs->sr_entry->e_nname.bv_val;
 759
 760         if ( op->o_res_ber ) {
 761                 /* read back control or LDAP_CONNECTIONLESS */
 762             ber = op->o_res_ber;
 763         } else {
 764                 ber_len_t       siz, len;
 765                 struct berval   bv;
 766
 767                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 768                 bv.bv_len = siz + len;
 769                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 770
 771                 ber_init2( ber, &bv, LBER_USE_DER );
 772                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 773         }
 774
 775 #ifdef LDAP_CONNECTIONLESS
 776         if ( op->o_conn && op->o_conn->c_is_udp ) {
 777                 /* CONNECTIONLESS */
 778                 if ( op->o_protocol == LDAP_VERSION2 ) {
 779                 rc = ber_printf(ber, "t{O{" /*}}*/,
 780                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 781                 } else {
 782                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 783                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 784                 }
 785         } else
 786 #endif
 787         if ( op->o_res_ber ) {
 788                 /* read back control */
 789             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 790         } else {
 791             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 792                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 793         }
 794
 795         if ( rc == -1 ) {
 796 #ifdef NEW_LOGGING
 797                 LDAP_LOG( OPERATION, ERR,
 798                         "send_search_entry: conn %lu  ber_printf failed\n",
 799                         op->o_connid, 0, 0 );
 800 #else
 801                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 802 #endif
 803
 804                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 805                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 806                 goto error_return;
 807         }
 808
 809         /* check for special all user attributes ("*") type */
 810         userattrs = ( rs->sr_attrs == NULL ) ? 1
 811                 : an_find( rs->sr_attrs, &AllUser );
 812
 813         /* check for special all operational attributes ("+") type */
 814         opattrs = ( rs->sr_attrs == NULL ) ? 0
 815                 : an_find( rs->sr_attrs, &AllOper );
 816
 817         /* create an array of arrays of flags. Each flag corresponds
 818          * to particular value of attribute and equals 1 if value matches
 819          * to ValuesReturnFilter or 0 if not
 820          */
 821         if ( op->o_vrFilter != NULL ) {
 822                 int     k = 0;
 823                 size_t  size;
 824
 825                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 826                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 827                 }
 828
 829                 size = i * sizeof(char *) + k;
 830                 if ( size > 0 ) {
 831                         char    *a_flags;
 832                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 833                         if( e_flags == NULL ) {
 834 #ifdef NEW_LOGGING
 835                                 LDAP_LOG( OPERATION, ERR,
 836                                         "send_search_entry: conn %lu sl_calloc failed\n",
 837                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 838 #else
 839                         Debug( LDAP_DEBUG_ANY,
 840                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 841 #endif
 842                                 ber_free( ber, 1 );
 843
 844                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 845                                 goto error_return;
 846                         }
 847                         a_flags = (char *)(e_flags + i);
 848                         memset( a_flags, 0, k );
 849                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 850                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 851                                 e_flags[i] = a_flags;
 852                                 a_flags += j;
 853                         }
 854
 855                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 856                         if ( rc == -1 ) {
 857 #ifdef NEW_LOGGING
 858                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 859                                         "conn %lu matched values filtering failed\n",
 860                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 861 #else
 862                         Debug( LDAP_DEBUG_ANY,
 863                                         "matched values filtering failed\n", 0, 0, 0 );
 864 #endif
 865                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 866                                 send_ldap_error( op, rs, LDAP_OTHER,
 867                                         "matched values filtering error" );
 868                                 goto error_return;
 869                         }
 870                 }
 871         }
 872
 873         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 874                 AttributeDescription *desc = a->a_desc;
 875
 876                 if ( rs->sr_attrs == NULL ) {
 877                         /* all attrs request, skip operational attributes */
 878                         if( is_at_operational( desc->ad_type ) ) {
 879                                 continue;
 880                         }
 881
 882                 } else {
 883                         /* specific attrs requested */
 884                         if ( is_at_operational( desc->ad_type ) ) {
 885                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 886                                         continue;
 887                                 }
 888
 889                         } else {
 890                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 891                                         continue;
 892                                 }
 893                         }
 894                 }
 895
 896                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 897                         ACL_READ, &acl_state ) )
 898                 {
 899 #ifdef NEW_LOGGING
 900                         LDAP_LOG( ACL, INFO,
 901                                 "send_search_entry: conn %lu  access to attribute %s not "
 902                                 "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 903 #else
 904                         Debug( LDAP_DEBUG_ACL, "acl: "
 905                                 "access to attribute %s not allowed\n",
 906                             desc->ad_cname.bv_val, 0, 0 );
 907 #endif
 908                         continue;
 909                 }
 910
 911                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 912 #ifdef NEW_LOGGING
 913                         LDAP_LOG( OPERATION, ERR,
 914                                 "send_search_entry: conn %lu  ber_printf failed\n",
 915                                 op->o_connid, 0, 0 );
 916 #else
 917                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 918 #endif
 919
 920                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 921                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error");
 922                         goto error_return;
 923                 }
 924
 925                 if ( ! op->ors_attrsonly ) {
 926                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 927                                 if ( ! access_allowed( op, rs->sr_entry,
 928                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 929                                 {
 930 #ifdef NEW_LOGGING
 931                                         LDAP_LOG( ACL, INFO,
 932                                                 "send_search_entry: conn %lu "
 933                                                 "access to attribute %s, value %d not allowed\n",
 934                                                 op->o_connid, desc->ad_cname.bv_val, i );
 935 #else
 936                                         Debug( LDAP_DEBUG_ACL,
 937                                                 "acl: access to attribute %s, "
 938                                                 "value %d not allowed\n",
 939                                                 desc->ad_cname.bv_val, i, 0 );
 940 #endif
 941
 942                                         continue;
 943                                 }
 944
 945                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 946                                         continue;
 947                                 }
 948
 949                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 950 #ifdef NEW_LOGGING
 951                                         LDAP_LOG( OPERATION, ERR,
 952                                                 "send_search_entry: conn %lu  "
 953                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
 954 #else
 955                                         Debug( LDAP_DEBUG_ANY,
 956                                             "ber_printf failed\n", 0, 0, 0 );
 957 #endif
 958
 959                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 960                                         send_ldap_error( op, rs, LDAP_OTHER,
 961                                                 "encoding values error" );
 962                                         goto error_return;
 963                                 }
 964                         }
 965                 }
 966
 967                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 968 #ifdef NEW_LOGGING
 969                         LDAP_LOG( OPERATION, ERR,
 970                                 "send_search_entry: conn %lu ber_printf failed\n",
 971                                 op->o_connid, 0, 0 );
 972 #else
 973                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 974 #endif
 975
 976                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 977                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
 978                         goto error_return;
 979                 }
 980         }
 981
 982         /* eventually will loop through generated operational attributes */
 983         /* only have subschemaSubentry and numSubordinates are implemented */
 984         aa = backend_operational( op, rs, opattrs );
 985
 986         if ( aa != NULL && op->o_vrFilter != NULL ) {
 987                 int     k = 0;
 988                 size_t  size;
 989
 990                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 991                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 992                 }
 993
 994                 size = i * sizeof(char *) + k;
 995                 if ( size > 0 ) {
 996                         char    *a_flags, **tmp;
 997
 998                         /*
 999                          * Reuse previous memory - we likely need less space
1000                          * for operational attributes
1001                          */
1002                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k,
1003                                 op->o_tmpmemctx );
1004                         if ( tmp == NULL ) {
1005 #ifdef NEW_LOGGING
1006                                 LDAP_LOG( OPERATION, ERR,
1007                                         "send_search_entry: conn %lu "
1008                                         "not enough memory "
1009                                         "for matched values filtering\n",
1010                                         op->o_connid, 0, 0);
1011 #else
1012                                 Debug( LDAP_DEBUG_ANY,
1013                                         "send_search_entry: conn %lu "
1014                                         "not enough memory "
1015                                         "for matched values filtering\n",
1016                                         op->o_connid, 0, 0 );
1017 #endif
1018                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1019                                 send_ldap_error( op, rs, LDAP_OTHER,
1020                                         "not enough memory for matched values filtering" );
1021                                 goto error_return;
1022                         }
1023                         e_flags = tmp;
1024                         a_flags = (char *)(e_flags + i);
1025                         memset( a_flags, 0, k );
1026                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1027                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
1028                                 e_flags[i] = a_flags;
1029                                 a_flags += j;
1030                         }
1031                         rc = filter_matched_values(op, aa, &e_flags) ;
1032
1033                         if ( rc == -1 ) {
1034 #ifdef NEW_LOGGING
1035                                 LDAP_LOG( OPERATION, ERR,
1036                                         "send_search_entry: conn %lu "
1037                                         "matched values filtering failed\n",
1038                                         op->o_connid ? op->o_connid : 0, 0, 0);
1039 #else
1040                                 Debug( LDAP_DEBUG_ANY,
1041                                         "matched values filtering failed\n", 0, 0, 0 );
1042 #endif
1043                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1044                                 send_ldap_error( op, rs, LDAP_OTHER,
1045                                         "matched values filtering error" );
1046                                 goto error_return;
1047                         }
1048                 }
1049         }
1050
1051         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
1052                 AttributeDescription *desc = a->a_desc;
1053
1054                 if ( rs->sr_attrs == NULL ) {
1055                         /* all attrs request, skip operational attributes */
1056                         if( is_at_operational( desc->ad_type ) ) {
1057                                 continue;
1058                         }
1059
1060                 } else {
1061                         /* specific attrs requested */
1062                         if( is_at_operational( desc->ad_type ) ) {
1063                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1064                                         continue;
1065                                 }
1066                         } else {
1067                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1068                                         continue;
1069                                 }
1070                         }
1071                 }
1072
1073                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
1074                         ACL_READ, &acl_state ) )
1075                 {
1076 #ifdef NEW_LOGGING
1077                         LDAP_LOG( ACL, INFO,
1078                                 "send_search_entry: conn %lu "
1079                                 "access to attribute %s not allowed\n",
1080                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1081 #else
1082                         Debug( LDAP_DEBUG_ACL, "send_search_entry: access to attribute %s "
1083                                 "not allowed\n", desc->ad_cname.bv_val, 0, 0 );
1084 #endif
1085
1086                         continue;
1087                 }
1088
1089                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1090                 if ( rc == -1 ) {
1091 #ifdef NEW_LOGGING
1092                         LDAP_LOG( OPERATION, ERR,
1093                                 "send_search_entry: conn %lu  "
1094                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1095 #else
1096                         Debug( LDAP_DEBUG_ANY, "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, "encoding description error" );
1101                         attrs_free( aa );
1102                         goto error_return;
1103                 }
1104
1105                 if ( ! op->ors_attrsonly ) {
1106                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1107                                 if ( ! access_allowed( op, rs->sr_entry,
1108                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1109                                 {
1110 #ifdef NEW_LOGGING
1111                                         LDAP_LOG( ACL, INFO,
1112                                                 "send_search_entry: conn %lu "
1113                                                 "access to %s, value %d not allowed\n",
1114                                                 op->o_connid, desc->ad_cname.bv_val, i );
1115 #else
1116                                         Debug( LDAP_DEBUG_ACL,
1117                                                 "send_search_entry: access to attribute %s, "
1118                                                 "value %d not allowed\n",
1119                                                 desc->ad_cname.bv_val, i, 0 );
1120 #endif
1121
1122                                         continue;
1123                                 }
1124
1125                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1126                                         continue;
1127                                 }
1128
1129                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1130 #ifdef NEW_LOGGING
1131                                         LDAP_LOG( OPERATION, ERR,
1132                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1133                                                 op->o_connid, 0, 0 );
1134 #else
1135                                         Debug( LDAP_DEBUG_ANY,
1136                                             "ber_printf failed\n", 0, 0, 0 );
1137 #endif
1138
1139                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1140                                         send_ldap_error( op, rs, LDAP_OTHER,
1141                                                 "encoding values error" );
1142                                         attrs_free( aa );
1143                                         goto error_return;
1144                                 }
1145                         }
1146                 }
1147
1148                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1149 #ifdef NEW_LOGGING
1150                         LDAP_LOG( OPERATION, ERR,
1151                                 "send_search_entry: conn %lu  ber_printf failed\n",
1152                                 op->o_connid, 0, 0 );
1153 #else
1154                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1155 #endif
1156
1157                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1158                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1159                         attrs_free( aa );
1160                         goto error_return;
1161                 }
1162         }
1163
1164 #ifdef LDAP_SLAPI
1165         /*
1166          * First, setup the computed attribute context that is
1167          * passed to all plugins.
1168          */
1169         if ( op->o_pb ) {
1170                 ctx.cac_pb = op->o_pb;
1171                 ctx.cac_attrs = rs->sr_attrs;
1172                 ctx.cac_attrsonly = op->ors_attrsonly;
1173                 ctx.cac_userattrs = userattrs;
1174                 ctx.cac_opattrs = opattrs;
1175                 ctx.cac_acl_state = acl_state;
1176                 ctx.cac_private = (void *)ber;
1177
1178                 /*
1179                  * For each client requested attribute, call the plugins.
1180                  */
1181                 if ( rs->sr_attrs != NULL ) {
1182                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1183                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1184                                         rs->sr_entry, slapi_int_compute_output_ber );
1185                                 if ( rc == 1 ) {
1186                                         break;
1187                                 }
1188                         }
1189                 } else {
1190                         /*
1191                          * Technically we shouldn't be returning operational attributes
1192                          * when the user requested only user attributes. We'll let the
1193                          * plugin decide whether to be naughty or not.
1194                          */
1195                         rc = compute_evaluator( &ctx, "*",
1196                                 rs->sr_entry, slapi_int_compute_output_ber );
1197                 }
1198                 if ( rc == 1 ) {
1199                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1200                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1201                         goto error_return;
1202                 }
1203         }
1204 #endif /* LDAP_SLAPI */
1205
1206         /* free e_flags */
1207         if ( e_flags ) {
1208                 sl_free( e_flags, op->o_tmpmemctx );
1209                 e_flags = NULL;
1210         }
1211
1212         attrs_free( aa );
1213         rc = ber_printf( ber, /*{{*/ "}N}" );
1214
1215         if( rc != -1 ) {
1216                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1217         }
1218
1219         if( rc != -1 ) {
1220 #ifdef LDAP_CONNECTIONLESS
1221                 if( op->o_conn && op->o_conn->c_is_udp ) {
1222                         if ( op->o_protocol != LDAP_VERSION2 ) {
1223                                 rc = ber_printf( ber, /*{*/ "N}" );
1224                         }
1225                 } else
1226 #endif
1227                 if ( op->o_res_ber == NULL ) {
1228                         rc = ber_printf( ber, /*{*/ "N}" );
1229                 }
1230         }
1231
1232         if ( rc == -1 ) {
1233 #ifdef NEW_LOGGING
1234                 LDAP_LOG( OPERATION, ERR,
1235                         "send_search_entry: conn %lu ber_printf failed\n",
1236                         op->o_connid, 0, 0 );
1237 #else
1238                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1239 #endif
1240
1241                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1242                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1243                 rc = 1;
1244                 goto error_return;
1245         }
1246
1247         if ( op->o_res_ber == NULL ) {
1248                 bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1249                 ber_free_buf( ber );
1250
1251                 if ( bytes < 0 ) {
1252 #ifdef NEW_LOGGING
1253                         LDAP_LOG( OPERATION, ERR,
1254                                 "send_search_entry: conn %lu  ber write failed.\n",
1255                                 op->o_connid, 0, 0 );
1256 #else
1257                         Debug( LDAP_DEBUG_ANY,
1258                                 "send_search_entry: ber write failed\n",
1259                                 0, 0, 0 );
1260 #endif
1261
1262                         rc = -1;
1263                         goto error_return;
1264                 }
1265                 rs->sr_nentries++;
1266
1267                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1268                 num_bytes_sent += bytes;
1269                 num_entries_sent++;
1270                 num_pdu_sent++;
1271                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1272         }
1273
1274         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1275             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1276
1277 #ifdef NEW_LOGGING
1278         LDAP_LOG( OPERATION, ENTRY,
1279                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1280 #else
1281         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1282 #endif
1283
1284         rc = 0;
1285
1286 error_return:;
1287         /* FIXME: I think rs->sr_type should be explicitly set to
1288          * REP_SEARCH here. That's what it was when we entered this
1289          * function. send_ldap_error may have changed it, but we
1290          * should set it back so that the cleanup functions know
1291          * what they're doing.
1292          */
1293         if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
1294                 && rs->sr_entry
1295                 && (rs->sr_flags & REP_ENTRY_MUSTBEFREED) )
1296         {
1297                 entry_free( rs->sr_entry );
1298                 rs->sr_entry = NULL;
1299                 rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
1300         }
1301
1302         if ( e_flags ) sl_free( e_flags, op->o_tmpmemctx );
1303
1304         if (op->o_callback) {
1305                 slap_callback *sc = op->o_callback;
1306                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
1307                         if ( op->o_callback->sc_cleanup ) {
1308                                 op->o_callback->sc_cleanup( op, rs );
1309                         }
1310                 }
1311                 op->o_callback = sc;
1312         }
1313         return( rc );
1314 }
1315
1316 int
1317 slap_send_search_reference( Operation *op, SlapReply *rs )
1318 {
1319         BerElementBuffer berbuf;
1320         BerElement      *ber = (BerElement *) &berbuf;
1321         int rc = 0;
1322         int bytes;
1323
1324         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1325         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1326
1327         rs->sr_type = REP_SEARCHREF;
1328         if (op->o_callback) {
1329                 slap_callback *sc = op->o_callback;
1330                 for ( ; op->o_callback; ) {
1331                         if ( op->o_callback->sc_response ) {
1332                                 rc = op->o_callback->sc_response( op, rs );
1333                                 if ( rc != SLAP_CB_CONTINUE ) break;
1334                         }
1335                         op->o_callback = op->o_callback->sc_next;
1336                 }
1337                 op->o_callback = sc;
1338                 if ( rc != SLAP_CB_CONTINUE ) goto rel;
1339         }
1340
1341 #ifdef NEW_LOGGING
1342         LDAP_LOG( OPERATION, ENTRY,
1343                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1344                 op->o_connid,
1345                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1346 #else
1347         Debug( LDAP_DEBUG_TRACE,
1348                 "=> send_search_reference: dn=\"%s\"\n",
1349                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1350 #endif
1351
1352         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1353                 ad_entry, NULL, ACL_READ, NULL ) )
1354         {
1355 #ifdef NEW_LOGGING
1356                 LDAP_LOG( ACL, INFO,
1357                         "send_search_reference: conn %lu        "
1358                         "access to entry %s not allowed\n",
1359                         op->o_connid, rs->sr_entry->e_dn, 0 );
1360 #else
1361                 Debug( LDAP_DEBUG_ACL,
1362                         "send_search_reference: access to entry not allowed\n",
1363                     0, 0, 0 );
1364 #endif
1365                 rc = 1;
1366                 goto rel;
1367         }
1368
1369         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1370                 ad_ref, NULL, ACL_READ, NULL ) )
1371         {
1372 #ifdef NEW_LOGGING
1373                 LDAP_LOG( ACL, INFO,
1374                         "send_search_reference: conn %lu access "
1375                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1376 #else
1377                 Debug( LDAP_DEBUG_ACL,
1378                         "send_search_reference: access "
1379                         "to reference not allowed\n",
1380                     0, 0, 0 );
1381 #endif
1382                 rc = 1;
1383                 goto rel;
1384         }
1385
1386 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1387         if( op->o_domain_scope ) {
1388 #ifdef NEW_LOGGING
1389                 LDAP_LOG( OPERATION, ERR,
1390                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1391                         op->o_connid, rs->sr_entry->e_dn, 0 );
1392 #else
1393                 Debug( LDAP_DEBUG_ANY,
1394                         "send_search_reference: domainScope control in (%s)\n",
1395                         rs->sr_entry->e_dn, 0, 0 );
1396 #endif
1397                 rc = 0;
1398                 goto rel;
1399         }
1400 #endif
1401
1402         if( rs->sr_ref == NULL ) {
1403 #ifdef NEW_LOGGING
1404                 LDAP_LOG( OPERATION, ERR,
1405                         "send_search_reference: conn %lu null ref in (%s).\n",
1406                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1407 #else
1408                 Debug( LDAP_DEBUG_ANY,
1409                         "send_search_reference: null ref in (%s)\n",
1410                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1411 #endif
1412                 rc = 1;
1413                 goto rel;
1414         }
1415
1416         if( op->o_protocol < LDAP_VERSION3 ) {
1417                 rc = 0;
1418                 /* save the references for the result */
1419                 if( rs->sr_ref[0].bv_val != NULL ) {
1420                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1421                                 rc = LDAP_OTHER;
1422                 }
1423                 goto rel;
1424         }
1425
1426 #ifdef LDAP_CONNECTIONLESS
1427         if( op->o_conn && op->o_conn->c_is_udp ) {
1428                 ber = op->o_res_ber;
1429         } else
1430 #endif
1431         {
1432                 ber_init_w_nullc( ber, LBER_USE_DER );
1433                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1434         }
1435
1436         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1437                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1438
1439         if( rc != -1 ) {
1440                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1441         }
1442
1443         if( rc != -1 ) {
1444                 rc = ber_printf( ber, /*"{"*/ "N}" );
1445         }
1446
1447         if ( rc == -1 ) {
1448 #ifdef NEW_LOGGING
1449                 LDAP_LOG( OPERATION, ERR,
1450                         "send_search_reference: conn %lu        "
1451                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1452 #else
1453                 Debug( LDAP_DEBUG_ANY,
1454                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1455 #endif
1456
1457 #ifdef LDAP_CONNECTIONLESS
1458                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1459 #endif
1460                 ber_free_buf( ber );
1461                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1462                 goto rel;
1463         }
1464
1465 #ifdef LDAP_CONNECTIONLESS
1466         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1467 #endif
1468         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1469         ber_free_buf( ber );
1470
1471         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1472         num_bytes_sent += bytes;
1473         num_refs_sent++;
1474         num_pdu_sent++;
1475         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1476 #ifdef LDAP_CONNECTIONLESS
1477         }
1478 #endif
1479
1480         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1481                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1482
1483 #ifdef NEW_LOGGING
1484         LDAP_LOG( OPERATION, ENTRY,
1485                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1486 #else
1487         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1488 #endif
1489
1490 rel:
1491         if (op->o_callback) {
1492                 slap_callback *sc = op->o_callback;
1493                 for ( ; op->o_callback; op->o_callback = op->o_callback->sc_next ) {
1494                         if ( op->o_callback->sc_cleanup ) {
1495                                 op->o_callback->sc_cleanup( op, rs );
1496                         }
1497                 }
1498                 op->o_callback = sc;
1499         }
1500         return rc;
1501 }
1502
1503 int
1504 str2result(
1505     char        *s,
1506     int         *code,
1507     char        **matched,
1508     char        **info
1509 )
1510 {
1511         int     rc;
1512         char    *c;
1513
1514         *code = LDAP_SUCCESS;
1515         *matched = NULL;
1516         *info = NULL;
1517
1518         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1519 #ifdef NEW_LOGGING
1520                 LDAP_LOG( OPERATION, INFO,
1521                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1522 #else
1523                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1524                     s, 0, 0 );
1525 #endif
1526
1527                 return( -1 );
1528         }
1529
1530         rc = 0;
1531         while ( (s = strchr( s, '\n' )) != NULL ) {
1532                 *s++ = '\0';
1533                 if ( *s == '\0' ) {
1534                         break;
1535                 }
1536                 if ( (c = strchr( s, ':' )) != NULL ) {
1537                         c++;
1538                 }
1539
1540                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1541                         if ( c != NULL ) {
1542                                 *code = atoi( c );
1543                         }
1544                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1545                         if ( c != NULL ) {
1546                                 *matched = c;
1547                         }
1548                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1549                         if ( c != NULL ) {
1550                                 *info = c;
1551                         }
1552                 } else {
1553 #ifdef NEW_LOGGING
1554                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1555 #else
1556                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1557                             s, 0, 0 );
1558 #endif
1559
1560                         rc = -1;
1561                 }
1562         }
1563
1564         return( rc );
1565 }
1566
1567 int slap_read_controls(
1568         Operation *op,
1569         SlapReply *rs,
1570         Entry *e,
1571         const struct berval *oid,
1572         LDAPControl **ctrl )
1573 {
1574         int rc;
1575         struct berval bv;
1576         BerElementBuffer berbuf;
1577         BerElement *ber = (BerElement *) &berbuf;
1578         LDAPControl c;
1579         ber_len_t       siz, len;
1580         Operation myop;
1581
1582 #ifdef NEW_LOGGING
1583         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1584                 oid->bv_val, e->e_dn, 0 );
1585 #else
1586         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1587                 oid->bv_val, e->e_dn, 0 );
1588 #endif
1589
1590         rs->sr_entry = e;
1591         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1592                 op->o_preread_attrs : op->o_postread_attrs;
1593
1594         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1595         bv.bv_len = siz + len;
1596         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1597
1598         ber_init2( ber, &bv, LBER_USE_DER );
1599         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1600
1601         /* create new operation */
1602         myop = *op;
1603         myop.o_bd = NULL;
1604         myop.o_res_ber = ber;
1605
1606         rc = slap_send_search_entry( &myop, rs );
1607         if( rc ) return rc;
1608
1609         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1610
1611         if( rc == LBER_ERROR ) return LDAP_OTHER;
1612
1613         c.ldctl_oid = oid->bv_val;
1614         c.ldctl_iscritical = 0;
1615
1616         *ctrl = sl_calloc( 1, sizeof(LDAPControl), NULL );
1617         **ctrl = c;
1618         return LDAP_SUCCESS;
1619 }