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

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