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 1998-2005 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 clean2:;
 481         if ( op->o_callback ) {
 482                 int             first = 1;
 483                 slap_callback   *sc = op->o_callback, *sc_next;
 484
 485                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
 486                         sc_next = op->o_callback->sc_next;
 487                         if ( op->o_callback->sc_cleanup ) {
 488                                 (void)op->o_callback->sc_cleanup( op, rs );
 489                                 if ( first && op->o_callback != sc ) {
 490                                         sc = op->o_callback;
 491                                 }
 492                         }
 493                         first = 0;
 494                 }
 495                 op->o_callback = sc;
 496         }
 497
 498         if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
 499                 free( (char *)rs->sr_matched );
 500                 rs->sr_matched = NULL;
 501         }
 502
 503         if ( rs->sr_ref && rs->sr_flags & REP_REF_MUSTBEFREED ) {
 504                 ber_bvarray_free( rs->sr_ref );
 505                 rs->sr_ref = NULL;
 506         }
 507
 508         return rc;
 509 }
 510
 511
 512 void
 513 send_ldap_disconnect( Operation *op, SlapReply *rs )
 514 {
 515 #define LDAP_UNSOLICITED_ERROR(e) \
 516         (  (e) == LDAP_PROTOCOL_ERROR \
 517         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 518         || (e) == LDAP_UNAVAILABLE )
 519
 520         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 521
 522         rs->sr_type = REP_EXTENDED;
 523
 524 #ifdef NEW_LOGGING
 525         LDAP_LOG( OPERATION, ENTRY,
 526                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 527                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 528 #else
 529         Debug( LDAP_DEBUG_TRACE,
 530                 "send_ldap_disconnect %d:%s\n",
 531                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 532 #endif
 533
 534         if ( op->o_protocol < LDAP_VERSION3 ) {
 535                 rs->sr_rspoid = NULL;
 536                 rs->sr_tag = req2res( op->o_tag );
 537                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 538
 539         } else {
 540                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 541                 rs->sr_tag = LDAP_RES_EXTENDED;
 542                 rs->sr_msgid = 0;
 543         }
 544
 545         if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
 546                 Statslog( LDAP_DEBUG_STATS,
 547                         "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 548                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 549                         rs->sr_text ? rs->sr_text : "" );
 550         }
 551 }
 552
 553 void
 554 slap_send_ldap_result( Operation *op, SlapReply *rs )
 555 {
 556         char *tmp = NULL;
 557         const char *otext = rs->sr_text;
 558         BerVarray oref = rs->sr_ref;
 559
 560         rs->sr_type = REP_RESULT;
 561
 562         assert( !LDAP_API_ERROR( rs->sr_err ));
 563
 564 #ifdef NEW_LOGGING
 565         LDAP_LOG( OPERATION, ENTRY,
 566                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 567                 op->o_connid, op->o_opid, op->o_protocol );
 568 #else
 569         Debug( LDAP_DEBUG_TRACE,
 570                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 571                 op->o_connid, op->o_opid, op->o_protocol );
 572 #endif
 573
 574 #ifdef NEW_LOGGING
 575         LDAP_LOG( OPERATION, ARGS,
 576                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 577                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 578                 rs->sr_text ? rs->sr_text : "" );
 579 #else
 580         Debug( LDAP_DEBUG_ARGS,
 581                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 582                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 583                 rs->sr_text ? rs->sr_text : "" );
 584 #endif
 585
 586
 587         if( rs->sr_ref ) {
 588 #ifdef NEW_LOGGING
 589                 LDAP_LOG( OPERATION, ARGS,
 590                         "send_ldap_result: referral=\"%s\"\n",
 591                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 592 #else
 593                 Debug( LDAP_DEBUG_ARGS,
 594                         "send_ldap_result: referral=\"%s\"\n",
 595                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 596                         NULL, NULL );
 597 #endif
 598         }
 599
 600         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 601
 602         if ( rs->sr_err == LDAP_REFERRAL ) {
 603 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 604                 if( op->o_domain_scope ) {
 605                         rs->sr_ref = NULL;
 606                 }
 607 #endif
 608                 if( rs->sr_ref == NULL ) {
 609                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 610                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 611                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 612                 }
 613         }
 614
 615 #ifdef LDAP_SLAPI
 616         /*
 617          * Call pre-result plugins. To avoid infinite recursion plugins
 618          * should just set SLAPI_RESULT_CODE rather than sending a
 619          * result if they wish to change the result.
 620          */
 621         if ( op->o_callback == NULL && op->o_pb != NULL ) {
 622                 slapi_int_pblock_set_operation( op->o_pb, op );
 623                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE,
 624                         (void *)rs->sr_err );
 625                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT,
 626                         (void *)rs->sr_text );
 627                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
 628                         (void *)rs->sr_matched );
 629
 630                 (void) slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN,
 631                         op->o_pb );
 632         }
 633 #endif /* LDAP_SLAPI */
 634
 635         if ( op->o_protocol < LDAP_VERSION3 ) {
 636                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 637                 rs->sr_text = tmp;
 638                 rs->sr_ref = NULL;
 639         }
 640
 641         rs->sr_tag = req2res( op->o_tag );
 642         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 643
 644         if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
 645                 if ( op->o_tag == LDAP_REQ_SEARCH ) {
 646                         char nbuf[64];
 647                         snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 648                                 rs->sr_err, rs->sr_nentries );
 649
 650                         Statslog( LDAP_DEBUG_STATS,
 651                         "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 652                                 op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 653                                 rs->sr_text ? rs->sr_text : "" );
 654                 } else {
 655                         Statslog( LDAP_DEBUG_STATS,
 656                                 "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 657                                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 658                                 rs->sr_text ? rs->sr_text : "" );
 659                 }
 660         }
 661
 662         if( tmp != NULL ) ch_free(tmp);
 663         rs->sr_text = otext;
 664         rs->sr_ref = oref;
 665 }
 666
 667 void
 668 send_ldap_sasl( Operation *op, SlapReply *rs )
 669 {
 670         rs->sr_type = REP_SASL;
 671 #ifdef NEW_LOGGING
 672         LDAP_LOG( OPERATION, ENTRY,
 673                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 674                 op->o_connid, rs->sr_err,
 675                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 676 #else
 677         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 678                 rs->sr_err,
 679                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 680 #endif
 681
 682         rs->sr_tag = req2res( op->o_tag );
 683         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 684
 685         send_ldap_response( op, rs );
 686 }
 687
 688 void
 689 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 690 {
 691         rs->sr_type = REP_EXTENDED;
 692
 693 #ifdef NEW_LOGGING
 694         LDAP_LOG( OPERATION, ENTRY,
 695                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 696                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 697                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 698 #else
 699         Debug( LDAP_DEBUG_TRACE,
 700                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 701                 rs->sr_err,
 702                 rs->sr_rspoid ? rs->sr_rspoid : "",
 703                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 704 #endif
 705
 706         rs->sr_tag = req2res( op->o_tag );
 707         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 708
 709         send_ldap_response( op, rs );
 710 }
 711
 712 void
 713 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 714 {
 715         rs->sr_type = REP_INTERMEDIATE;
 716 #ifdef NEW_LOGGING
 717         LDAP_LOG( OPERATION, ENTRY,
 718                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 719                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 720                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 721 #else
 722         Debug( LDAP_DEBUG_TRACE,
 723                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 724                 rs->sr_err,
 725                 rs->sr_rspoid ? rs->sr_rspoid : "",
 726                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 727 #endif
 728         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 729         rs->sr_msgid = op->o_msgid;
 730         send_ldap_response( op, rs );
 731 }
 732
 733 int
 734 slap_send_search_entry( Operation *op, SlapReply *rs )
 735 {
 736         BerElementBuffer berbuf;
 737         BerElement      *ber = (BerElement *) &berbuf;
 738         Attribute       *a, *aa;
 739         int             i, j, rc=-1, bytes;
 740         char            *edn;
 741         int             userattrs;
 742         int             opattrs;
 743         AccessControlState acl_state = ACL_STATE_INIT;
 744 #ifdef LDAP_SLAPI
 745         /* Support for computed attribute plugins */
 746         computed_attr_context    ctx;
 747         AttributeName   *anp;
 748 #endif
 749         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 750
 751         /* a_flags: array of flags telling if the i-th element will be
 752          *          returned or filtered out
 753          * e_flags: array of a_flags
 754          */
 755         char **e_flags = NULL;
 756
 757         rs->sr_type = REP_SEARCH;
 758         if (op->o_callback) {
 759                 slap_callback *sc = op->o_callback;
 760                 rc = SLAP_CB_CONTINUE;
 761                 for ( ; op->o_callback; ) {
 762                         if ( op->o_callback->sc_response ) {
 763                                 rc = op->o_callback->sc_response( op, rs );
 764                                 if ( rc != SLAP_CB_CONTINUE ) break;
 765                         }
 766                         op->o_callback = op->o_callback->sc_next;
 767                 }
 768                 op->o_callback = sc;
 769                 if ( rc != SLAP_CB_CONTINUE ) goto error_return;
 770         }
 771
 772 #ifdef NEW_LOGGING
 773         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 774                 op->o_connid, rs->sr_entry->e_name.bv_val,
 775                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 776 #else
 777         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 778                 rs->sr_entry->e_name.bv_val,
 779                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 780 #endif
 781
 782         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 783 #ifdef NEW_LOGGING
 784                 LDAP_LOG( ACL, INFO,
 785                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 786                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 787 #else
 788                 Debug( LDAP_DEBUG_ACL,
 789                         "send_search_entry: access to entry not allowed\n",
 790                     0, 0, 0 );
 791 #endif
 792
 793                 rc = 1;
 794                 goto error_return;
 795         }
 796
 797         edn = rs->sr_entry->e_nname.bv_val;
 798
 799         if ( op->o_res_ber ) {
 800                 /* read back control or LDAP_CONNECTIONLESS */
 801             ber = op->o_res_ber;
 802         } else {
 803                 ber_len_t       siz, len;
 804                 struct berval   bv;
 805
 806                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 807                 bv.bv_len = siz + len;
 808                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 809
 810                 ber_init2( ber, &bv, LBER_USE_DER );
 811                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 812         }
 813
 814 #ifdef LDAP_CONNECTIONLESS
 815         if ( op->o_conn && op->o_conn->c_is_udp ) {
 816                 /* CONNECTIONLESS */
 817                 if ( op->o_protocol == LDAP_VERSION2 ) {
 818                 rc = ber_printf(ber, "t{O{" /*}}*/,
 819                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 820                 } else {
 821                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 822                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 823                 }
 824         } else
 825 #endif
 826         if ( op->o_res_ber ) {
 827                 /* read back control */
 828             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 829         } else {
 830             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 831                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 832         }
 833
 834         if ( rc == -1 ) {
 835 #ifdef NEW_LOGGING
 836                 LDAP_LOG( OPERATION, ERR,
 837                         "send_search_entry: conn %lu  ber_printf failed\n",
 838                         op->o_connid, 0, 0 );
 839 #else
 840                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 841 #endif
 842
 843                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 844                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 845                 goto error_return;
 846         }
 847
 848         /* check for special all user attributes ("*") type */
 849         userattrs = ( rs->sr_attrs == NULL ) ? 1
 850                 : an_find( rs->sr_attrs, &AllUser );
 851
 852         /* check for special all operational attributes ("+") type */
 853         opattrs = ( rs->sr_attrs == NULL ) ? 0
 854                 : an_find( rs->sr_attrs, &AllOper );
 855
 856         /* create an array of arrays of flags. Each flag corresponds
 857          * to particular value of attribute and equals 1 if value matches
 858          * to ValuesReturnFilter or 0 if not
 859          */
 860         if ( op->o_vrFilter != NULL ) {
 861                 int     k = 0;
 862                 size_t  size;
 863
 864                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 865                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 866                 }
 867
 868                 size = i * sizeof(char *) + k;
 869                 if ( size > 0 ) {
 870                         char    *a_flags;
 871                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 872                         if( e_flags == NULL ) {
 873 #ifdef NEW_LOGGING
 874                                 LDAP_LOG( OPERATION, ERR,
 875                                         "send_search_entry: conn %lu sl_calloc failed\n",
 876                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 877 #else
 878                         Debug( LDAP_DEBUG_ANY,
 879                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 880 #endif
 881                                 ber_free( ber, 1 );
 882
 883                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 884                                 goto error_return;
 885                         }
 886                         a_flags = (char *)(e_flags + i);
 887                         memset( a_flags, 0, k );
 888                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 889                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 890                                 e_flags[i] = a_flags;
 891                                 a_flags += j;
 892                         }
 893
 894                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 895                         if ( rc == -1 ) {
 896 #ifdef NEW_LOGGING
 897                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 898                                         "conn %lu matched values filtering failed\n",
 899                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 900 #else
 901                         Debug( LDAP_DEBUG_ANY,
 902                                         "matched values filtering failed\n", 0, 0, 0 );
 903 #endif
 904                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 905                                 send_ldap_error( op, rs, LDAP_OTHER,
 906                                         "matched values filtering error" );
 907                                 goto error_return;
 908                         }
 909                 }
 910         }
 911
 912         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 913                 AttributeDescription *desc = a->a_desc;
 914                 int finish = 0;
 915
 916                 if ( rs->sr_attrs == NULL ) {
 917                         /* all attrs request, skip operational attributes */
 918                         if( is_at_operational( desc->ad_type ) ) {
 919                                 continue;
 920                         }
 921
 922                 } else {
 923                         /* specific attrs requested */
 924                         if ( is_at_operational( desc->ad_type ) ) {
 925                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 926                                         continue;
 927                                 }
 928
 929                         } else {
 930                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 931                                         continue;
 932                                 }
 933                         }
 934                 }
 935
 936                 if ( op->ors_attrsonly ) {
 937                         if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 938                                 ACL_READ, &acl_state ) )
 939                         {
 940 #ifdef NEW_LOGGING
 941                                 LDAP_LOG( ACL, INFO,
 942                                         "send_search_entry: conn %lu access to attribute %s not "
 943                                         "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 944 #else
 945                                 Debug( LDAP_DEBUG_ACL, "send_search_entry: "
 946                                         "conn %lu access to attribute %s not allowed\n",
 947                                         op->o_connid, desc->ad_cname.bv_val, 0 );
 948 #endif
 949                                 continue;
 950                         }
 951
 952                         if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 953 #ifdef NEW_LOGGING
 954                                 LDAP_LOG( OPERATION, ERR,
 955                                         "send_search_entry: conn %lu  ber_printf failed\n",
 956                                         op->o_connid, 0, 0 );
 957 #else
 958                                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 959 #endif
 960
 961                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 962                                 send_ldap_error( op, rs, LDAP_OTHER,
 963                                         "encoding description error");
 964                                 goto error_return;
 965                         }
 966                         finish = 1;
 967
 968                 } else {
 969                         int first = 1;
 970                         for ( i = 0; a->a_nvals[i].bv_val != NULL; i++ ) {
 971                                 if ( ! access_allowed( op, rs->sr_entry,
 972                                         desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
 973                                 {
 974 #ifdef NEW_LOGGING
 975                                         LDAP_LOG( ACL, INFO,
 976                                                 "send_search_entry: conn %lu "
 977                                                 "access to attribute %s, value #%d not allowed\n",
 978                                                 op->o_connid, desc->ad_cname.bv_val, i );
 979 #else
 980                                         Debug( LDAP_DEBUG_ACL,
 981                                                 "send_search_entry: conn %lu "
 982                                                 "access to attribute %s, value #%d not allowed\n",
 983                                                 op->o_connid, desc->ad_cname.bv_val, i );
 984 #endif
 985
 986                                         continue;
 987                                 }
 988
 989                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 990                                         continue;
 991                                 }
 992
 993                                 if ( first ) {
 994                                         first = 0;
 995                                         finish = 1;
 996                                         if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 997 #ifdef NEW_LOGGING
 998                                                 LDAP_LOG( OPERATION, ERR,
 999                                                         "send_search_entry: conn %lu  ber_printf failed\n",
1000                                                         op->o_connid, 0, 0 );
1001 #else
1002                                                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1003 #endif
1004
1005                                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1006                                                 send_ldap_error( op, rs, LDAP_OTHER,
1007                                                         "encoding description error");
1008                                                 goto error_return;
1009                                         }
1010                                 }
1011                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1012 #ifdef NEW_LOGGING
1013                                         LDAP_LOG( OPERATION, ERR,
1014                                                 "send_search_entry: conn %lu  "
1015                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
1016 #else
1017                                         Debug( LDAP_DEBUG_ANY,
1018                                             "ber_printf failed\n", 0, 0, 0 );
1019 #endif
1020
1021                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1022                                         send_ldap_error( op, rs, LDAP_OTHER,
1023                                                 "encoding values error" );
1024                                         goto error_return;
1025                                 }
1026                         }
1027                 }
1028
1029                 if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1030 #ifdef NEW_LOGGING
1031                         LDAP_LOG( OPERATION, ERR,
1032                                 "send_search_entry: conn %lu ber_printf failed\n",
1033                                 op->o_connid, 0, 0 );
1034 #else
1035                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1036 #endif
1037
1038                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1039                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1040                         goto error_return;
1041                 }
1042         }
1043
1044         /* eventually will loop through generated operational attributes */
1045         /* only have subschemaSubentry and numSubordinates are implemented */
1046         aa = backend_operational( op, rs, opattrs );
1047
1048         if ( aa != NULL && op->o_vrFilter != NULL ) {
1049                 int     k = 0;
1050                 size_t  size;
1051
1052                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1053                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
1054                 }
1055
1056                 size = i * sizeof(char *) + k;
1057                 if ( size > 0 ) {
1058                         char    *a_flags, **tmp;
1059
1060                         /*
1061                          * Reuse previous memory - we likely need less space
1062                          * for operational attributes
1063                          */
1064                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k,
1065                                 op->o_tmpmemctx );
1066                         if ( tmp == NULL ) {
1067 #ifdef NEW_LOGGING
1068                                 LDAP_LOG( OPERATION, ERR,
1069                                         "send_search_entry: conn %lu "
1070                                         "not enough memory "
1071                                         "for matched values filtering\n",
1072                                         op->o_connid, 0, 0);
1073 #else
1074                                 Debug( LDAP_DEBUG_ANY,
1075                                         "send_search_entry: conn %lu "
1076                                         "not enough memory "
1077                                         "for matched values filtering\n",
1078                                         op->o_connid, 0, 0 );
1079 #endif
1080                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1081                                 send_ldap_error( op, rs, LDAP_OTHER,
1082                                         "not enough memory for matched values filtering" );
1083                                 goto error_return;
1084                         }
1085                         e_flags = tmp;
1086                         a_flags = (char *)(e_flags + i);
1087                         memset( a_flags, 0, k );
1088                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
1089                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
1090                                 e_flags[i] = a_flags;
1091                                 a_flags += j;
1092                         }
1093                         rc = filter_matched_values(op, aa, &e_flags) ;
1094
1095                         if ( rc == -1 ) {
1096 #ifdef NEW_LOGGING
1097                                 LDAP_LOG( OPERATION, ERR,
1098                                         "send_search_entry: conn %lu "
1099                                         "matched values filtering failed\n",
1100                                         op->o_connid ? op->o_connid : 0, 0, 0);
1101 #else
1102                                 Debug( LDAP_DEBUG_ANY,
1103                                         "matched values filtering failed\n", 0, 0, 0 );
1104 #endif
1105                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1106                                 send_ldap_error( op, rs, LDAP_OTHER,
1107                                         "matched values filtering error" );
1108                                 goto error_return;
1109                         }
1110                 }
1111         }
1112
1113         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
1114                 AttributeDescription *desc = a->a_desc;
1115
1116                 if ( rs->sr_attrs == NULL ) {
1117                         /* all attrs request, skip operational attributes */
1118                         if( is_at_operational( desc->ad_type ) ) {
1119                                 continue;
1120                         }
1121
1122                 } else {
1123                         /* specific attrs requested */
1124                         if( is_at_operational( desc->ad_type ) ) {
1125                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1126                                         continue;
1127                                 }
1128                         } else {
1129                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1130                                         continue;
1131                                 }
1132                         }
1133                 }
1134
1135                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
1136                         ACL_READ, &acl_state ) )
1137                 {
1138 #ifdef NEW_LOGGING
1139                         LDAP_LOG( ACL, INFO,
1140                                 "send_search_entry: conn %lu "
1141                                 "access to attribute %s not allowed\n",
1142                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1143 #else
1144                         Debug( LDAP_DEBUG_ACL,
1145                                 "send_search_entry: conn %lu "
1146                                 "access to attribute %s not allowed\n",
1147                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1148 #endif
1149
1150                         continue;
1151                 }
1152
1153                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1154                 if ( rc == -1 ) {
1155 #ifdef NEW_LOGGING
1156                         LDAP_LOG( OPERATION, ERR,
1157                                 "send_search_entry: conn %lu  "
1158                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1159 #else
1160                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1161 #endif
1162
1163                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1164                         send_ldap_error( op, rs, LDAP_OTHER,
1165                                 "encoding description error" );
1166                         attrs_free( aa );
1167                         goto error_return;
1168                 }
1169
1170                 if ( ! op->ors_attrsonly ) {
1171                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1172                                 if ( ! access_allowed( op, rs->sr_entry,
1173                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1174                                 {
1175 #ifdef NEW_LOGGING
1176                                         LDAP_LOG( ACL, INFO,
1177                                                 "send_search_entry: conn %lu "
1178                                                 "access to %s, value %d not allowed\n",
1179                                                 op->o_connid, desc->ad_cname.bv_val, i );
1180 #else
1181                                         Debug( LDAP_DEBUG_ACL,
1182                                                 "send_search_entry: access to attribute %s, "
1183                                                 "value %d not allowed\n",
1184                                                 desc->ad_cname.bv_val, i, 0 );
1185 #endif
1186
1187                                         continue;
1188                                 }
1189
1190                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1191                                         continue;
1192                                 }
1193
1194                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1195 #ifdef NEW_LOGGING
1196                                         LDAP_LOG( OPERATION, ERR,
1197                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1198                                                 op->o_connid, 0, 0 );
1199 #else
1200                                         Debug( LDAP_DEBUG_ANY,
1201                                             "ber_printf failed\n", 0, 0, 0 );
1202 #endif
1203
1204                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1205                                         send_ldap_error( op, rs, LDAP_OTHER,
1206                                                 "encoding values error" );
1207                                         attrs_free( aa );
1208                                         goto error_return;
1209                                 }
1210                         }
1211                 }
1212
1213                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1214 #ifdef NEW_LOGGING
1215                         LDAP_LOG( OPERATION, ERR,
1216                                 "send_search_entry: conn %lu  ber_printf failed\n",
1217                                 op->o_connid, 0, 0 );
1218 #else
1219                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1220 #endif
1221
1222                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1223                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1224                         attrs_free( aa );
1225                         goto error_return;
1226                 }
1227         }
1228
1229 #ifdef LDAP_SLAPI
1230         /*
1231          * First, setup the computed attribute context that is
1232          * passed to all plugins.
1233          */
1234         if ( op->o_pb ) {
1235                 ctx.cac_pb = op->o_pb;
1236                 ctx.cac_attrs = rs->sr_attrs;
1237                 ctx.cac_attrsonly = op->ors_attrsonly;
1238                 ctx.cac_userattrs = userattrs;
1239                 ctx.cac_opattrs = opattrs;
1240                 ctx.cac_acl_state = acl_state;
1241                 ctx.cac_private = (void *)ber;
1242
1243                 /*
1244                  * For each client requested attribute, call the plugins.
1245                  */
1246                 if ( rs->sr_attrs != NULL ) {
1247                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1248                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1249                                         rs->sr_entry, slapi_int_compute_output_ber );
1250                                 if ( rc == 1 ) break;
1251                         }
1252                 } else {
1253                         /*
1254                          * Technically we shouldn't be returning operational attributes
1255                          * when the user requested only user attributes. We'll let the
1256                          * plugin decide whether to be naughty or not.
1257                          */
1258                         rc = compute_evaluator( &ctx, "*",
1259                                 rs->sr_entry, slapi_int_compute_output_ber );
1260                 }
1261                 if ( rc == 1 ) {
1262                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1263                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1264                         goto error_return;
1265                 }
1266         }
1267 #endif /* LDAP_SLAPI */
1268
1269         /* free e_flags */
1270         if ( e_flags ) {
1271                 sl_free( e_flags, op->o_tmpmemctx );
1272                 e_flags = NULL;
1273         }
1274
1275         attrs_free( aa );
1276         rc = ber_printf( ber, /*{{*/ "}N}" );
1277
1278         if( rc != -1 ) {
1279                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1280         }
1281
1282         if( rc != -1 ) {
1283 #ifdef LDAP_CONNECTIONLESS
1284                 if( op->o_conn && op->o_conn->c_is_udp ) {
1285                         if ( op->o_protocol != LDAP_VERSION2 ) {
1286                                 rc = ber_printf( ber, /*{*/ "N}" );
1287                         }
1288                 } else
1289 #endif
1290                 if ( op->o_res_ber == NULL ) {
1291                         rc = ber_printf( ber, /*{*/ "N}" );
1292                 }
1293         }
1294
1295         if ( rc == -1 ) {
1296 #ifdef NEW_LOGGING
1297                 LDAP_LOG( OPERATION, ERR,
1298                         "send_search_entry: conn %lu ber_printf failed\n",
1299                         op->o_connid, 0, 0 );
1300 #else
1301                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1302 #endif
1303
1304                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1305                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1306                 rc = 1;
1307                 goto error_return;
1308         }
1309
1310         if ( op->o_res_ber == NULL ) {
1311                 bytes = send_ldap_ber( op->o_conn, ber );
1312                 ber_free_buf( ber );
1313
1314                 if ( bytes < 0 ) {
1315 #ifdef NEW_LOGGING
1316                         LDAP_LOG( OPERATION, ERR,
1317                                 "send_search_entry: conn %lu  ber write failed.\n",
1318                                 op->o_connid, 0, 0 );
1319 #else
1320                         Debug( LDAP_DEBUG_ANY,
1321                                 "send_search_entry: ber write failed\n",
1322                                 0, 0, 0 );
1323 #endif
1324
1325                         rc = -1;
1326                         goto error_return;
1327                 }
1328                 rs->sr_nentries++;
1329
1330                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1331                 num_bytes_sent += bytes;
1332                 num_entries_sent++;
1333                 num_pdu_sent++;
1334                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1335         }
1336
1337         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1338             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1339
1340 #ifdef NEW_LOGGING
1341         LDAP_LOG( OPERATION, ENTRY,
1342                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1343 #else
1344         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1345 #endif
1346
1347         rc = 0;
1348
1349 error_return:;
1350         if ( op->o_callback ) {
1351                 int             first = 1;
1352                 slap_callback   *sc = op->o_callback, *sc_next;
1353
1354                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
1355                         sc_next = op->o_callback->sc_next;
1356                         if ( op->o_callback->sc_cleanup ) {
1357                                 (void)op->o_callback->sc_cleanup( op, rs );
1358                                 if ( first && op->o_callback != sc ) {
1359                                         sc = op->o_callback;
1360                                 }
1361                         }
1362                         first = 0;
1363                 }
1364                 op->o_callback = sc;
1365         }
1366
1367         if ( e_flags ) {
1368                 slap_sl_free( e_flags, op->o_tmpmemctx );
1369         }
1370
1371         /* FIXME: I think rs->sr_type should be explicitly set to
1372          * REP_SEARCH here. That's what it was when we entered this
1373          * function. send_ldap_error may have changed it, but we
1374          * should set it back so that the cleanup functions know
1375          * what they're doing.
1376          */
1377         if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
1378                 && rs->sr_entry
1379                 && (rs->sr_flags & REP_ENTRY_MUSTBEFREED) )
1380         {
1381                 entry_free( rs->sr_entry );
1382                 rs->sr_entry = NULL;
1383                 rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
1384         }
1385
1386         return( rc );
1387 }
1388
1389 int
1390 slap_send_search_reference( Operation *op, SlapReply *rs )
1391 {
1392         BerElementBuffer berbuf;
1393         BerElement      *ber = (BerElement *) &berbuf;
1394         int rc = 0;
1395         int bytes;
1396
1397         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1398         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1399
1400         rs->sr_type = REP_SEARCHREF;
1401         if (op->o_callback) {
1402                 slap_callback *sc = op->o_callback;
1403                 rc = SLAP_CB_CONTINUE;
1404                 for ( ; op->o_callback; ) {
1405                         if ( op->o_callback->sc_response ) {
1406                                 rc = op->o_callback->sc_response( op, rs );
1407                                 if ( rc != SLAP_CB_CONTINUE ) break;
1408                         }
1409                         op->o_callback = op->o_callback->sc_next;
1410                 }
1411                 op->o_callback = sc;
1412                 if ( rc != SLAP_CB_CONTINUE ) goto rel;
1413         }
1414
1415 #ifdef NEW_LOGGING
1416         LDAP_LOG( OPERATION, ENTRY,
1417                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1418                 op->o_connid,
1419                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1420 #else
1421         Debug( LDAP_DEBUG_TRACE,
1422                 "=> send_search_reference: dn=\"%s\"\n",
1423                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1424 #endif
1425
1426         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1427                 ad_entry, NULL, ACL_READ, NULL ) )
1428         {
1429 #ifdef NEW_LOGGING
1430                 LDAP_LOG( ACL, INFO,
1431                         "send_search_reference: conn %lu        "
1432                         "access to entry %s not allowed\n",
1433                         op->o_connid, rs->sr_entry->e_dn, 0 );
1434 #else
1435                 Debug( LDAP_DEBUG_ACL,
1436                         "send_search_reference: access to entry not allowed\n",
1437                     0, 0, 0 );
1438 #endif
1439                 rc = 1;
1440                 goto rel;
1441         }
1442
1443         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1444                 ad_ref, NULL, ACL_READ, NULL ) )
1445         {
1446 #ifdef NEW_LOGGING
1447                 LDAP_LOG( ACL, INFO,
1448                         "send_search_reference: conn %lu access "
1449                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1450 #else
1451                 Debug( LDAP_DEBUG_ACL,
1452                         "send_search_reference: access "
1453                         "to reference not allowed\n",
1454                     0, 0, 0 );
1455 #endif
1456                 rc = 1;
1457                 goto rel;
1458         }
1459
1460 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1461         if( op->o_domain_scope ) {
1462 #ifdef NEW_LOGGING
1463                 LDAP_LOG( OPERATION, ERR,
1464                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1465                         op->o_connid, rs->sr_entry->e_dn, 0 );
1466 #else
1467                 Debug( LDAP_DEBUG_ANY,
1468                         "send_search_reference: domainScope control in (%s)\n",
1469                         rs->sr_entry->e_dn, 0, 0 );
1470 #endif
1471                 rc = 0;
1472                 goto rel;
1473         }
1474 #endif
1475
1476         if( rs->sr_ref == NULL ) {
1477 #ifdef NEW_LOGGING
1478                 LDAP_LOG( OPERATION, ERR,
1479                         "send_search_reference: conn %lu null ref in (%s).\n",
1480                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1481 #else
1482                 Debug( LDAP_DEBUG_ANY,
1483                         "send_search_reference: null ref in (%s)\n",
1484                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1485 #endif
1486                 rc = 1;
1487                 goto rel;
1488         }
1489
1490         if( op->o_protocol < LDAP_VERSION3 ) {
1491                 rc = 0;
1492                 /* save the references for the result */
1493                 if( rs->sr_ref[0].bv_val != NULL ) {
1494                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1495                                 rc = LDAP_OTHER;
1496                 }
1497                 goto rel;
1498         }
1499
1500 #ifdef LDAP_CONNECTIONLESS
1501         if( op->o_conn && op->o_conn->c_is_udp ) {
1502                 ber = op->o_res_ber;
1503         } else
1504 #endif
1505         {
1506                 ber_init_w_nullc( ber, LBER_USE_DER );
1507                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1508         }
1509
1510         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1511                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1512
1513         if( rc != -1 ) {
1514                 rc = send_ldap_controls( op, ber, rs->sr_ctrls );
1515         }
1516
1517         if( rc != -1 ) {
1518                 rc = ber_printf( ber, /*"{"*/ "N}" );
1519         }
1520
1521         if ( rc == -1 ) {
1522 #ifdef NEW_LOGGING
1523                 LDAP_LOG( OPERATION, ERR,
1524                         "send_search_reference: conn %lu        "
1525                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1526 #else
1527                 Debug( LDAP_DEBUG_ANY,
1528                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1529 #endif
1530
1531 #ifdef LDAP_CONNECTIONLESS
1532                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1533 #endif
1534                 ber_free_buf( ber );
1535                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1536                 goto rel;
1537         }
1538
1539         rc = 0;
1540 #ifdef LDAP_CONNECTIONLESS
1541         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1542 #endif
1543         bytes = send_ldap_ber( op->o_conn, ber );
1544         ber_free_buf( ber );
1545
1546         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1547         num_bytes_sent += bytes;
1548         num_refs_sent++;
1549         num_pdu_sent++;
1550         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1551 #ifdef LDAP_CONNECTIONLESS
1552         }
1553 #endif
1554
1555         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1556                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1557
1558 #ifdef NEW_LOGGING
1559         LDAP_LOG( OPERATION, ENTRY,
1560                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1561 #else
1562         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1563 #endif
1564
1565 rel:
1566         if ( op->o_callback ) {
1567                 int             first = 1;
1568                 slap_callback *sc = op->o_callback, *sc_next;
1569
1570                 for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next ) {
1571                         sc_next = op->o_callback->sc_next;
1572                         if ( op->o_callback->sc_cleanup ) {
1573                                 (void)op->o_callback->sc_cleanup( op, rs );
1574                                 if ( first && op->o_callback != sc ) {
1575                                         sc = op->o_callback;
1576                                 }
1577                         }
1578                         first = 0;
1579                 }
1580                 op->o_callback = sc;
1581         }
1582         return rc;
1583 }
1584
1585 int
1586 str2result(
1587     char        *s,
1588     int         *code,
1589     char        **matched,
1590     char        **info
1591 )
1592 {
1593         int     rc;
1594         char    *c;
1595
1596         *code = LDAP_SUCCESS;
1597         *matched = NULL;
1598         *info = NULL;
1599
1600         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1601 #ifdef NEW_LOGGING
1602                 LDAP_LOG( OPERATION, INFO,
1603                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1604 #else
1605                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1606                     s, 0, 0 );
1607 #endif
1608
1609                 return( -1 );
1610         }
1611
1612         rc = 0;
1613         while ( (s = strchr( s, '\n' )) != NULL ) {
1614                 *s++ = '\0';
1615                 if ( *s == '\0' ) {
1616                         break;
1617                 }
1618                 if ( (c = strchr( s, ':' )) != NULL ) {
1619                         c++;
1620                 }
1621
1622                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1623                         if ( c != NULL ) {
1624                                 *code = atoi( c );
1625                         }
1626                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1627                         if ( c != NULL ) {
1628                                 *matched = c;
1629                         }
1630                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1631                         if ( c != NULL ) {
1632                                 *info = c;
1633                         }
1634                 } else {
1635 #ifdef NEW_LOGGING
1636                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1637 #else
1638                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1639                             s, 0, 0 );
1640 #endif
1641
1642                         rc = -1;
1643                 }
1644         }
1645
1646         return( rc );
1647 }
1648
1649 int slap_read_controls(
1650         Operation *op,
1651         SlapReply *rs,
1652         Entry *e,
1653         const struct berval *oid,
1654         LDAPControl **ctrl )
1655 {
1656         int rc;
1657         struct berval bv;
1658         BerElementBuffer berbuf;
1659         BerElement *ber = (BerElement *) &berbuf;
1660         LDAPControl c;
1661         ber_len_t       siz, len;
1662         Operation myop;
1663
1664 #ifdef NEW_LOGGING
1665         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1666                 oid->bv_val, e->e_dn, 0 );
1667 #else
1668         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1669                 oid->bv_val, e->e_dn, 0 );
1670 #endif
1671
1672         rs->sr_entry = e;
1673         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1674                 op->o_preread_attrs : op->o_postread_attrs;
1675
1676         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1677         bv.bv_len = siz + len;
1678         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1679
1680         ber_init2( ber, &bv, LBER_USE_DER );
1681         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1682
1683         /* create new operation */
1684         myop = *op;
1685         myop.o_bd = NULL;
1686         myop.o_res_ber = ber;
1687
1688         rc = slap_send_search_entry( &myop, rs );
1689         if( rc ) return rc;
1690
1691         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1692
1693         if( rc == LBER_ERROR ) return LDAP_OTHER;
1694
1695         c.ldctl_oid = oid->bv_val;
1696         c.ldctl_iscritical = 0;
1697
1698         if ( ctrl == NULL ) {
1699                 /* first try */
1700                 *ctrl = (LDAPControl *) sl_calloc( 1, sizeof(LDAPControl), NULL );
1701         } else {
1702                 /* retry: free previous try */
1703                 slap_sl_free( (*ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
1704         }
1705
1706         **ctrl = c;
1707         return LDAP_SUCCESS;
1708 }
1709
1710 /* Map API errors to protocol errors... */
1711 int
1712 slap_map_api2result( SlapReply *rs )
1713 {
1714         switch(rs->sr_err) {
1715         case LDAP_SERVER_DOWN:
1716                 return LDAP_UNAVAILABLE;
1717         case LDAP_LOCAL_ERROR:
1718                 return LDAP_OTHER;
1719         case LDAP_ENCODING_ERROR:
1720         case LDAP_DECODING_ERROR:
1721                 return LDAP_PROTOCOL_ERROR;
1722         case LDAP_TIMEOUT:
1723                 return LDAP_UNAVAILABLE;
1724         case LDAP_AUTH_UNKNOWN:
1725                 return LDAP_AUTH_METHOD_NOT_SUPPORTED;
1726         case LDAP_FILTER_ERROR:
1727                 rs->sr_text = "Filter error";
1728                 return LDAP_OTHER;
1729         case LDAP_USER_CANCELLED:
1730                 rs->sr_text = "User cancelled";
1731                 return LDAP_OTHER;
1732         case LDAP_PARAM_ERROR:
1733                 return LDAP_PROTOCOL_ERROR;
1734         case LDAP_NO_MEMORY:
1735                 return LDAP_OTHER;
1736         case LDAP_CONNECT_ERROR:
1737                 return LDAP_UNAVAILABLE;
1738         case LDAP_NOT_SUPPORTED:
1739                 return LDAP_UNWILLING_TO_PERFORM;
1740         case LDAP_CONTROL_NOT_FOUND:
1741                 return LDAP_PROTOCOL_ERROR;
1742         case LDAP_NO_RESULTS_RETURNED:
1743                 return LDAP_NO_SUCH_OBJECT;
1744         case LDAP_MORE_RESULTS_TO_RETURN:
1745                 rs->sr_text = "More results to return";
1746                 return LDAP_OTHER;
1747         case LDAP_CLIENT_LOOP:
1748         case LDAP_REFERRAL_LIMIT_EXCEEDED:
1749                 return LDAP_LOOP_DETECT;
1750         default:
1751                 if ( LDAP_API_ERROR(rs->sr_err) ) return LDAP_OTHER;
1752                 return rs->sr_err;
1753         }
1754 }
1755