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

   1 /* result.c - routines to send ldap results, errors, and referrals */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2003 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26
  27 #include "portable.h"
  28
  29 #include <stdio.h>
  30
  31 #include <ac/socket.h>
  32 #include <ac/errno.h>
  33 #include <ac/string.h>
  34 #include <ac/ctype.h>
  35 #include <ac/time.h>
  36 #include <ac/unistd.h>
  37
  38 #include "slap.h"
  39
  40 #ifdef LDAP_SLAPI
  41 #include "slapi.h"
  42 #endif
  43
  44 int slap_null_cb( Operation *op, SlapReply *rs )
  45 {
  46         return 0;
  47 }
  48
  49 static char *v2ref( BerVarray ref, const char *text )
  50 {
  51         size_t len = 0, i = 0;
  52         char *v2;
  53
  54         if(ref == NULL) {
  55                 if (text) {
  56                         return ch_strdup(text);
  57                 } else {
  58                         return NULL;
  59                 }
  60         }
  61
  62         if ( text != NULL ) {
  63                 len = strlen( text );
  64                 if (text[len-1] != '\n') {
  65                     i = 1;
  66                 }
  67         }
  68
  69         v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
  70         if( v2 == NULL ) {
  71 #ifdef NEW_LOGGING
  72                 LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  73 #else
  74                 Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  75 #endif
  76                 return NULL;
  77         }
  78
  79         if( text != NULL ) {
  80                 strcpy(v2, text);
  81                 if( i ) {
  82                         v2[len++] = '\n';
  83                 }
  84         }
  85         strcpy( v2+len, "Referral:" );
  86         len += sizeof("Referral:");
  87
  88         for( i=0; ref[i].bv_val != NULL; i++ ) {
  89                 v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
  90                 if( v2 == NULL ) {
  91 #ifdef NEW_LOGGING
  92                         LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  93 #else
  94                         Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
  95 #endif
  96                         return NULL;
  97                 }
  98                 v2[len-1] = '\n';
  99                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
 100                 len += ref[i].bv_len;
 101                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
 102                         ++len;
 103                 }
 104         }
 105
 106         v2[len-1] = '\0';
 107         return v2;
 108 }
 109
 110 static ber_tag_t req2res( ber_tag_t tag )
 111 {
 112         switch( tag ) {
 113         case LDAP_REQ_ADD:
 114         case LDAP_REQ_BIND:
 115         case LDAP_REQ_COMPARE:
 116         case LDAP_REQ_EXTENDED:
 117         case LDAP_REQ_MODIFY:
 118         case LDAP_REQ_MODRDN:
 119                 tag++;
 120                 break;
 121
 122         case LDAP_REQ_DELETE:
 123                 tag = LDAP_RES_DELETE;
 124                 break;
 125
 126         case LDAP_REQ_ABANDON:
 127         case LDAP_REQ_UNBIND:
 128                 tag = LBER_SEQUENCE;
 129                 break;
 130
 131         case LDAP_REQ_SEARCH:
 132                 tag = LDAP_RES_SEARCH_RESULT;
 133                 break;
 134
 135         default:
 136                 tag = LBER_SEQUENCE;
 137         }
 138
 139         return tag;
 140 }
 141
 142 static long send_ldap_ber(
 143         Connection *conn,
 144         BerElement *ber )
 145 {
 146         ber_len_t bytes;
 147
 148         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 149
 150         /* write only one pdu at a time - wait til it's our turn */
 151         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 152
 153         /* lock the connection */
 154         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 155
 156         /* write the pdu */
 157         while( 1 ) {
 158                 int err;
 159                 ber_socket_t    sd;
 160
 161                 if ( connection_state_closing( conn ) ) {
 162                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 163                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 164
 165                         return 0;
 166                 }
 167
 168                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 169                         break;
 170                 }
 171
 172                 err = errno;
 173
 174                 /*
 175                  * we got an error.  if it's ewouldblock, we need to
 176                  * wait on the socket being writable.  otherwise, figure
 177                  * it's a hard error and return.
 178                  */
 179
 180 #ifdef NEW_LOGGING
 181                 LDAP_LOG( OPERATION, ERR,
 182                         "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
 183                         conn ? conn->c_connid : 0, err, sock_errstr(err) );
 184 #else
 185                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 186                     err, sock_errstr(err), 0 );
 187 #endif
 188
 189                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 190                         connection_closing( conn );
 191
 192                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 193                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 194
 195                         return( -1 );
 196                 }
 197
 198                 /* wait for socket to be write-ready */
 199                 conn->c_writewaiter = 1;
 200                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 201                 slapd_set_write( sd, 1 );
 202
 203                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 204                 conn->c_writewaiter = 0;
 205         }
 206
 207         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 208         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 209
 210         return bytes;
 211 }
 212
 213 static int
 214 send_ldap_controls( BerElement *ber, LDAPControl **c )
 215 {
 216         int rc;
 217         if( c == NULL ) return 0;
 218
 219         rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
 220         if( rc == -1 ) return rc;
 221
 222         for( ; *c != NULL; c++) {
 223                 rc = ber_printf( ber, "{s" /*}*/, (*c)->ldctl_oid );
 224
 225                 if( (*c)->ldctl_iscritical ) {
 226                         rc = ber_printf( ber, "b",
 227                                 (ber_int_t) (*c)->ldctl_iscritical ) ;
 228                         if( rc == -1 ) return rc;
 229                 }
 230
 231                 if( (*c)->ldctl_value.bv_val != NULL ) {
 232                         rc = ber_printf( ber, "O", &((*c)->ldctl_value));
 233                         if( rc == -1 ) return rc;
 234                 }
 235
 236                 rc = ber_printf( ber, /*{*/"N}" );
 237                 if( rc == -1 ) return rc;
 238         }
 239
 240         rc = ber_printf( ber, /*{*/"N}" );
 241
 242         return rc;
 243 }
 244
 245 void
 246 send_ldap_response(
 247         Operation *op,
 248         SlapReply *rs )
 249 {
 250         BerElementBuffer berbuf;
 251         BerElement      *ber = (BerElement *) &berbuf;
 252         int             rc;
 253         long    bytes;
 254
 255         if (op->o_callback && op->o_callback->sc_response) {
 256                 rc = op->o_callback->sc_response( op, rs );
 257                 if ( rc != SLAP_CB_CONTINUE ) goto cleanup;
 258         }
 259
 260 #ifdef LDAP_CONNECTIONLESS
 261         if (op->o_conn && op->o_conn->c_is_udp)
 262                 ber = op->o_res_ber;
 263         else
 264 #endif
 265         {
 266                 ber_init_w_nullc( ber, LBER_USE_DER );
 267                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 268         }
 269
 270 #ifdef NEW_LOGGING
 271         LDAP_LOG( OPERATION, ENTRY,
 272                 "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
 273                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 274 #else
 275         Debug( LDAP_DEBUG_TRACE,
 276                 "send_ldap_response: msgid=%d tag=%lu err=%d\n",
 277                 rs->sr_msgid, rs->sr_tag, rs->sr_err );
 278 #endif
 279
 280         if( rs->sr_ref ) {
 281 #ifdef NEW_LOGGING
 282                 LDAP_LOG( OPERATION, ARGS,
 283                         "send_ldap_response: conn %lu  ref=\"%s\"\n",
 284                         op->o_connid,
 285                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
 286 #else
 287                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 288                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 289                         NULL, NULL );
 290 #endif
 291         }
 292
 293 #ifdef LDAP_CONNECTIONLESS
 294         if (op->o_conn && op->o_conn->c_is_udp &&
 295                 op->o_protocol == LDAP_VERSION2 )
 296         {
 297                 rc = ber_printf( ber, "t{ess" /*"}}"*/,
 298                         rs->sr_tag, rs->sr_err,
 299                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 300                 rs->sr_text == NULL ? "" : rs->sr_text );
 301         } else
 302 #endif
 303         if ( rs->sr_type == REP_INTERMEDIATE ) {
 304             rc = ber_printf( ber, "{it{" /*"}}"*/,
 305                         rs->sr_msgid, rs->sr_tag );
 306
 307         } else {
 308             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 309                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 310                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 311                 rs->sr_text == NULL ? "" : rs->sr_text );
 312         }
 313
 314         if( rc != -1 ) {
 315                 if ( rs->sr_ref != NULL ) {
 316                         assert( rs->sr_err == LDAP_REFERRAL );
 317                         rc = ber_printf( ber, "t{W}",
 318                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 319                 } else {
 320                         assert( rs->sr_err != LDAP_REFERRAL );
 321                 }
 322         }
 323
 324         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 325                 rc = ber_printf( ber, "tO",
 326                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 327         }
 328
 329         if( rc != -1 &&
 330                 ( rs->sr_type == REP_EXTENDED || rs->sr_type == REP_INTERMEDIATE ))
 331         {
 332                 if ( rs->sr_rspoid != NULL ) {
 333                         rc = ber_printf( ber, "ts",
 334                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 335                 }
 336                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 337                         rc = ber_printf( ber, "tO",
 338                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 339                 }
 340         }
 341
 342         if( rc != -1 ) {
 343                 rc = ber_printf( ber, /*"{"*/ "N}" );
 344         }
 345
 346         if( rc != -1 && rs->sr_ctrls != NULL ) {
 347                 rc = send_ldap_controls( ber, rs->sr_ctrls );
 348         }
 349
 350         if( rc != -1 ) {
 351                 rc = ber_printf( ber, /*"{"*/ "N}" );
 352         }
 353
 354 #ifdef LDAP_CONNECTIONLESS
 355         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 356                 rc = ber_printf( ber, /*"{"*/ "N}" );
 357         }
 358 #endif
 359
 360         if ( rc == -1 ) {
 361 #ifdef NEW_LOGGING
 362                 LDAP_LOG( OPERATION, ERR,
 363                         "send_ldap_response: conn %lu  ber_printf failed\n",
 364                         op->o_connid, 0, 0 );
 365 #else
 366                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 367 #endif
 368
 369 #ifdef LDAP_CONNECTIONLESS
 370                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 371 #endif
 372                 ber_free_buf( ber );
 373                 goto cleanup;
 374         }
 375
 376         /* send BER */
 377         bytes = send_ldap_ber( op->o_conn, ber );
 378 #ifdef LDAP_CONNECTIONLESS
 379         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 380 #endif
 381         ber_free_buf( ber );
 382
 383         if ( bytes < 0 ) {
 384 #ifdef NEW_LOGGING
 385                 LDAP_LOG( OPERATION, ERR,
 386                         "send_ldap_response: conn %lu ber write failed\n",
 387                         op->o_connid ? op->o_connid : 0, 0, 0 );
 388 #else
 389                 Debug( LDAP_DEBUG_ANY,
 390                         "send_ldap_response: ber write failed\n",
 391                         0, 0, 0 );
 392 #endif
 393
 394                 goto cleanup;
 395         }
 396
 397 #ifdef LDAP_SLAPI
 398         if ( op->o_pb ) {
 399                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 400                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 401                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 402         }
 403 #endif /* LDAP_SLAPI */
 404
 405         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 406         num_bytes_sent += bytes;
 407         num_pdu_sent++;
 408         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 409
 410 cleanup:;
 411         if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
 412                 free( rs->sr_matched );
 413                 rs->sr_matched = NULL;
 414         }
 415
 416         return;
 417 }
 418
 419
 420 void
 421 send_ldap_disconnect( Operation *op, SlapReply *rs )
 422 {
 423 #define LDAP_UNSOLICITED_ERROR(e) \
 424         (  (e) == LDAP_PROTOCOL_ERROR \
 425         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 426         || (e) == LDAP_UNAVAILABLE )
 427
 428         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 429
 430         rs->sr_type = REP_EXTENDED;
 431
 432 #ifdef NEW_LOGGING
 433         LDAP_LOG( OPERATION, ENTRY,
 434                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 435                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 436 #else
 437         Debug( LDAP_DEBUG_TRACE,
 438                 "send_ldap_disconnect %d:%s\n",
 439                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 440 #endif
 441
 442
 443         if ( op->o_protocol < LDAP_VERSION3 ) {
 444                 rs->sr_rspoid = NULL;
 445                 rs->sr_tag = req2res( op->o_tag );
 446                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 447
 448         } else {
 449                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 450                 rs->sr_tag = LDAP_RES_EXTENDED;
 451                 rs->sr_msgid = 0;
 452         }
 453
 454         send_ldap_response( op, rs );
 455
 456         Statslog( LDAP_DEBUG_STATS,
 457             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 458                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 459 }
 460
 461 void
 462 slap_send_ldap_result( Operation *op, SlapReply *rs )
 463 {
 464         char *tmp = NULL;
 465         const char *otext = rs->sr_text;
 466         BerVarray oref = rs->sr_ref;
 467
 468         rs->sr_type = REP_RESULT;
 469
 470         assert( !LDAP_API_ERROR( rs->sr_err ) && ( rs->sr_err >= 0 ));
 471
 472 #ifdef NEW_LOGGING
 473         LDAP_LOG( OPERATION, ENTRY,
 474                 "send_ldap_result: conn %lu op=%lu p=%d\n",
 475                 op->o_connid, op->o_opid, op->o_protocol );
 476 #else
 477         Debug( LDAP_DEBUG_TRACE,
 478                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 479                 op->o_connid, op->o_opid, op->o_protocol );
 480 #endif
 481
 482 #ifdef NEW_LOGGING
 483         LDAP_LOG( OPERATION, ARGS,
 484                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 485                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 486                 rs->sr_text ? rs->sr_text : "" );
 487 #else
 488         Debug( LDAP_DEBUG_ARGS,
 489                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 490                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 491                 rs->sr_text ? rs->sr_text : "" );
 492 #endif
 493
 494
 495         if( rs->sr_ref ) {
 496 #ifdef NEW_LOGGING
 497                 LDAP_LOG( OPERATION, ARGS,
 498                         "send_ldap_result: referral=\"%s\"\n",
 499                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 500 #else
 501                 Debug( LDAP_DEBUG_ARGS,
 502                         "send_ldap_result: referral=\"%s\"\n",
 503                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 504                         NULL, NULL );
 505 #endif
 506         }
 507
 508         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 509
 510         if ( rs->sr_err == LDAP_REFERRAL ) {
 511 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 512                 if( op->o_domain_scope ) {
 513                         rs->sr_ref = NULL;
 514                 }
 515 #endif
 516                 if( rs->sr_ref == NULL ) {
 517                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 518                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 519                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 520                 }
 521         }
 522
 523 #ifdef LDAP_SLAPI
 524         /*
 525          * Call pre-result plugins. To avoid infinite recursion plugins
 526          * should just set SLAPI_RESULT_CODE rather than sending a
 527          * result if they wish to change the result.
 528          */
 529         if ( op->o_pb ) {
 530                 slapi_x_pblock_set_operation( op->o_pb, op );
 531                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 532                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 533                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 534
 535                 (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN, op->o_pb );
 536         }
 537 #endif /* LDAP_SLAPI */
 538
 539         if ( op->o_protocol < LDAP_VERSION3 ) {
 540                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 541                 rs->sr_text = tmp;
 542                 rs->sr_ref = NULL;
 543         }
 544
 545         rs->sr_tag = req2res( op->o_tag );
 546         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 547
 548         send_ldap_response( op, rs );
 549
 550         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 551                 char nbuf[64];
 552                 snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 553                         rs->sr_err, rs->sr_nentries );
 554
 555                 Statslog( LDAP_DEBUG_STATS,
 556                 "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 557                         op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 558                         rs->sr_text ? rs->sr_text : "" );
 559         } else {
 560                 Statslog( LDAP_DEBUG_STATS,
 561                         "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 562                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 563                         rs->sr_text ? rs->sr_text : "" );
 564         }
 565
 566         if( tmp != NULL ) ch_free(tmp);
 567         rs->sr_text = otext;
 568         rs->sr_ref = oref;
 569 }
 570
 571 void
 572 send_ldap_sasl( Operation *op, SlapReply *rs )
 573 {
 574         rs->sr_type = REP_SASL;
 575 #ifdef NEW_LOGGING
 576         LDAP_LOG( OPERATION, ENTRY,
 577                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 578                 op->o_connid, rs->sr_err,
 579                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 580 #else
 581         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 582                 rs->sr_err,
 583                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 584 #endif
 585
 586         rs->sr_tag = req2res( op->o_tag );
 587         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 588
 589         send_ldap_response( op, rs );
 590 }
 591
 592 void
 593 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 594 {
 595         rs->sr_type = REP_EXTENDED;
 596
 597 #ifdef NEW_LOGGING
 598         LDAP_LOG( OPERATION, ENTRY,
 599                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 600                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 601                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 602 #else
 603         Debug( LDAP_DEBUG_TRACE,
 604                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 605                 rs->sr_err,
 606                 rs->sr_rspoid ? rs->sr_rspoid : "",
 607                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 608 #endif
 609
 610         rs->sr_tag = req2res( op->o_tag );
 611         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 612
 613         send_ldap_response( op, rs );
 614 }
 615
 616 void
 617 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 618 {
 619         rs->sr_type = REP_INTERMEDIATE;
 620 #ifdef NEW_LOGGING
 621         LDAP_LOG( OPERATION, ENTRY,
 622                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 623                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 624                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 625 #else
 626         Debug( LDAP_DEBUG_TRACE,
 627                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 628                 rs->sr_err,
 629                 rs->sr_rspoid ? rs->sr_rspoid : "",
 630                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 631 #endif
 632         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 633         rs->sr_msgid = op->o_msgid;
 634         send_ldap_response( op, rs );
 635 }
 636
 637 int
 638 slap_send_search_entry( Operation *op, SlapReply *rs )
 639 {
 640         BerElementBuffer berbuf;
 641         BerElement      *ber = (BerElement *) &berbuf;
 642         Attribute       *a, *aa;
 643         int             i, j, rc=-1, bytes;
 644         char            *edn;
 645         int             userattrs;
 646         int             opattrs;
 647         AccessControlState acl_state = ACL_STATE_INIT;
 648 #ifdef LDAP_SLAPI
 649         /* Support for computed attribute plugins */
 650         computed_attr_context    ctx;
 651         AttributeName   *anp;
 652 #endif
 653         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 654
 655         /* a_flags: array of flags telling if the i-th element will be
 656          *          returned or filtered out
 657          * e_flags: array of a_flags
 658          */
 659         char **e_flags = NULL;
 660
 661         rs->sr_type = REP_SEARCH;
 662         if (op->o_callback && op->o_callback->sc_response) {
 663                 rc = op->o_callback->sc_response( op, rs );
 664                 if ( rc != SLAP_CB_CONTINUE ) goto error_return;
 665         }
 666
 667 #ifdef NEW_LOGGING
 668         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 669                 op->o_connid, rs->sr_entry->e_name.bv_val,
 670                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 671 #else
 672         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 673                 rs->sr_entry->e_name.bv_val,
 674                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 675 #endif
 676
 677         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 678 #ifdef NEW_LOGGING
 679                 LDAP_LOG( ACL, INFO,
 680                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 681                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 682 #else
 683                 Debug( LDAP_DEBUG_ACL,
 684                         "send_search_entry: access to entry not allowed\n",
 685                     0, 0, 0 );
 686 #endif
 687
 688                 rc = 1;
 689                 goto error_return;
 690         }
 691
 692         edn = rs->sr_entry->e_nname.bv_val;
 693
 694         if ( op->o_res_ber ) {
 695                 /* read back control or LDAP_CONNECTIONLESS */
 696             ber = op->o_res_ber;
 697         } else {
 698                 ber_len_t       siz, len;
 699                 struct berval   bv;
 700
 701                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 702                 bv.bv_len = siz + len;
 703                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 704
 705                 ber_init2( ber, &bv, LBER_USE_DER );
 706                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 707         }
 708
 709 #ifdef LDAP_CONNECTIONLESS
 710         if ( op->o_conn && op->o_conn->c_is_udp ) {
 711                 /* CONNECTIONLESS */
 712                 if ( op->o_protocol == LDAP_VERSION2 ) {
 713                 rc = ber_printf(ber, "t{O{" /*}}*/,
 714                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 715                 } else {
 716                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 717                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 718                 }
 719         } else
 720 #endif
 721         if ( op->o_res_ber ) {
 722                 /* read back control */
 723             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 724         } else {
 725             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 726                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 727         }
 728
 729         if ( rc == -1 ) {
 730 #ifdef NEW_LOGGING
 731                 LDAP_LOG( OPERATION, ERR,
 732                         "send_search_entry: conn %lu  ber_printf failed\n",
 733                         op->o_connid, 0, 0 );
 734 #else
 735                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 736 #endif
 737
 738                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 739                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 740                 goto error_return;
 741         }
 742
 743         /* check for special all user attributes ("*") type */
 744         userattrs = ( rs->sr_attrs == NULL ) ? 1
 745                 : an_find( rs->sr_attrs, &AllUser );
 746
 747         /* check for special all operational attributes ("+") type */
 748         opattrs = ( rs->sr_attrs == NULL ) ? 0
 749                 : an_find( rs->sr_attrs, &AllOper );
 750
 751         /* create an array of arrays of flags. Each flag corresponds
 752          * to particular value of attribute and equals 1 if value matches
 753          * to ValuesReturnFilter or 0 if not
 754          */
 755         if ( op->o_vrFilter != NULL ) {
 756                 int     k = 0;
 757                 size_t  size;
 758
 759                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 760                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 761                 }
 762
 763                 size = i * sizeof(char *) + k;
 764                 if ( size > 0 ) {
 765                         char    *a_flags;
 766                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 767                         if( e_flags == NULL ) {
 768 #ifdef NEW_LOGGING
 769                                 LDAP_LOG( OPERATION, ERR,
 770                                         "send_search_entry: conn %lu sl_calloc failed\n",
 771                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 772 #else
 773                         Debug( LDAP_DEBUG_ANY,
 774                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 775 #endif
 776                                 ber_free( ber, 1 );
 777
 778                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 779                                 goto error_return;
 780                         }
 781                         a_flags = (char *)(e_flags + i);
 782                         memset( a_flags, 0, k );
 783                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 784                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 785                                 e_flags[i] = a_flags;
 786                                 a_flags += j;
 787                         }
 788
 789                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 790                         if ( rc == -1 ) {
 791 #ifdef NEW_LOGGING
 792                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 793                                         "conn %lu matched values filtering failed\n",
 794                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 795 #else
 796                         Debug( LDAP_DEBUG_ANY,
 797                                         "matched values filtering failed\n", 0, 0, 0 );
 798 #endif
 799                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 800                                 send_ldap_error( op, rs, LDAP_OTHER,
 801                                         "matched values filtering error" );
 802                                 goto error_return;
 803                         }
 804                 }
 805         }
 806
 807         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 808                 AttributeDescription *desc = a->a_desc;
 809
 810                 if ( rs->sr_attrs == NULL ) {
 811                         /* all attrs request, skip operational attributes */
 812                         if( is_at_operational( desc->ad_type ) ) {
 813                                 continue;
 814                         }
 815
 816                 } else {
 817                         /* specific attrs requested */
 818                         if ( is_at_operational( desc->ad_type ) ) {
 819                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 820                                         continue;
 821                                 }
 822
 823                         } else {
 824                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 825                                         continue;
 826                                 }
 827                         }
 828                 }
 829
 830                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 831                         ACL_READ, &acl_state ) )
 832                 {
 833 #ifdef NEW_LOGGING
 834                         LDAP_LOG( ACL, INFO,
 835                                 "send_search_entry: conn %lu  access to attribute %s not "
 836                                 "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 837 #else
 838                         Debug( LDAP_DEBUG_ACL, "acl: "
 839                                 "access to attribute %s not allowed\n",
 840                             desc->ad_cname.bv_val, 0, 0 );
 841 #endif
 842                         continue;
 843                 }
 844
 845                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 846 #ifdef NEW_LOGGING
 847                         LDAP_LOG( OPERATION, ERR,
 848                                 "send_search_entry: conn %lu  ber_printf failed\n",
 849                                 op->o_connid, 0, 0 );
 850 #else
 851                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 852 #endif
 853
 854                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 855                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error");
 856                         goto error_return;
 857                 }
 858
 859                 if ( ! op->ors_attrsonly ) {
 860                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 861                                 if ( ! access_allowed( op, rs->sr_entry,
 862                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 863                                 {
 864 #ifdef NEW_LOGGING
 865                                         LDAP_LOG( ACL, INFO,
 866                                                 "send_search_entry: conn %lu "
 867                                                 "access to attribute %s, value %d not allowed\n",
 868                                                 op->o_connid, desc->ad_cname.bv_val, i );
 869 #else
 870                                         Debug( LDAP_DEBUG_ACL,
 871                                                 "acl: access to attribute %s, "
 872                                                 "value %d not allowed\n",
 873                                                 desc->ad_cname.bv_val, i, 0 );
 874 #endif
 875
 876                                         continue;
 877                                 }
 878
 879                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 880                                         continue;
 881                                 }
 882
 883                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 884 #ifdef NEW_LOGGING
 885                                         LDAP_LOG( OPERATION, ERR,
 886                                                 "send_search_entry: conn %lu  "
 887                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
 888 #else
 889                                         Debug( LDAP_DEBUG_ANY,
 890                                             "ber_printf failed\n", 0, 0, 0 );
 891 #endif
 892
 893                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 894                                         send_ldap_error( op, rs, LDAP_OTHER,
 895                                                 "encoding values error" );
 896                                         goto error_return;
 897                                 }
 898                         }
 899                 }
 900
 901                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 902 #ifdef NEW_LOGGING
 903                         LDAP_LOG( OPERATION, ERR,
 904                                 "send_search_entry: conn %lu ber_printf failed\n",
 905                                 op->o_connid, 0, 0 );
 906 #else
 907                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 908 #endif
 909
 910                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 911                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
 912                         goto error_return;
 913                 }
 914         }
 915
 916         /* eventually will loop through generated operational attributes */
 917         /* only have subschemaSubentry and numSubordinates are implemented */
 918         aa = backend_operational( op, rs, opattrs );
 919
 920         if ( aa != NULL && op->o_vrFilter != NULL ) {
 921                 int     k = 0;
 922                 size_t  size;
 923
 924                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 925                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 926                 }
 927
 928                 size = i * sizeof(char *) + k;
 929                 if ( size > 0 ) {
 930                         char    *a_flags, **tmp;
 931
 932                         /*
 933                          * Reuse previous memory - we likely need less space
 934                          * for operational attributes
 935                          */
 936                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k,
 937                                 op->o_tmpmemctx );
 938                         if ( tmp == NULL ) {
 939 #ifdef NEW_LOGGING
 940                                 LDAP_LOG( OPERATION, ERR,
 941                                         "send_search_entry: conn %lu "
 942                                         "not enough memory "
 943                                         "for matched values filtering\n",
 944                                         op->o_connid, 0, 0);
 945 #else
 946                                 Debug( LDAP_DEBUG_ANY,
 947                                         "send_search_entry: conn %lu "
 948                                         "not enough memory "
 949                                         "for matched values filtering\n",
 950                                         op->o_connid, 0, 0 );
 951 #endif
 952                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 953                                 send_ldap_error( op, rs, LDAP_OTHER,
 954                                         "not enough memory for matched values filtering" );
 955                                 goto error_return;
 956                         }
 957                         e_flags = tmp;
 958                         a_flags = (char *)(e_flags + i);
 959                         memset( a_flags, 0, k );
 960                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 961                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 962                                 e_flags[i] = a_flags;
 963                                 a_flags += j;
 964                         }
 965                         rc = filter_matched_values(op, aa, &e_flags) ;
 966
 967                         if ( rc == -1 ) {
 968 #ifdef NEW_LOGGING
 969                                 LDAP_LOG( OPERATION, ERR,
 970                                         "send_search_entry: conn %lu "
 971                                         "matched values filtering failed\n",
 972                                         op->o_connid ? op->o_connid : 0, 0, 0);
 973 #else
 974                                 Debug( LDAP_DEBUG_ANY,
 975                                         "matched values filtering failed\n", 0, 0, 0 );
 976 #endif
 977                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 978                                 send_ldap_error( op, rs, LDAP_OTHER,
 979                                         "matched values filtering error" );
 980                                 goto error_return;
 981                         }
 982                 }
 983         }
 984
 985         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
 986                 AttributeDescription *desc = a->a_desc;
 987
 988                 if ( rs->sr_attrs == NULL ) {
 989                         /* all attrs request, skip operational attributes */
 990                         if( is_at_operational( desc->ad_type ) ) {
 991                                 continue;
 992                         }
 993
 994                 } else {
 995                         /* specific attrs requested */
 996                         if( is_at_operational( desc->ad_type ) ) {
 997                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 998                                         continue;
 999                                 }
1000                         } else {
1001                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
1002                                         continue;
1003                                 }
1004                         }
1005                 }
1006
1007                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
1008                         ACL_READ, &acl_state ) )
1009                 {
1010 #ifdef NEW_LOGGING
1011                         LDAP_LOG( ACL, INFO,
1012                                 "send_search_entry: conn %lu "
1013                                 "access to attribute %s not allowed\n",
1014                                 op->o_connid, desc->ad_cname.bv_val, 0 );
1015 #else
1016                         Debug( LDAP_DEBUG_ACL, "send_search_entry: access to attribute %s "
1017                                 "not allowed\n", desc->ad_cname.bv_val, 0, 0 );
1018 #endif
1019
1020                         continue;
1021                 }
1022
1023                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
1024                 if ( rc == -1 ) {
1025 #ifdef NEW_LOGGING
1026                         LDAP_LOG( OPERATION, ERR,
1027                                 "send_search_entry: conn %lu  "
1028                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1029 #else
1030                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1031 #endif
1032
1033                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1034                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error" );
1035                         attrs_free( aa );
1036                         goto error_return;
1037                 }
1038
1039                 if ( ! op->ors_attrsonly ) {
1040                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1041                                 if ( ! access_allowed( op, rs->sr_entry,
1042                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1043                                 {
1044 #ifdef NEW_LOGGING
1045                                         LDAP_LOG( ACL, INFO,
1046                                                 "send_search_entry: conn %lu "
1047                                                 "access to %s, value %d not allowed\n",
1048                                                 op->o_connid, desc->ad_cname.bv_val, i );
1049 #else
1050                                         Debug( LDAP_DEBUG_ACL,
1051                                                 "send_search_entry: access to attribute %s, "
1052                                                 "value %d not allowed\n",
1053                                                 desc->ad_cname.bv_val, i, 0 );
1054 #endif
1055
1056                                         continue;
1057                                 }
1058
1059                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1060                                         continue;
1061                                 }
1062
1063                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1064 #ifdef NEW_LOGGING
1065                                         LDAP_LOG( OPERATION, ERR,
1066                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1067                                                 op->o_connid, 0, 0 );
1068 #else
1069                                         Debug( LDAP_DEBUG_ANY,
1070                                             "ber_printf failed\n", 0, 0, 0 );
1071 #endif
1072
1073                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1074                                         send_ldap_error( op, rs, LDAP_OTHER,
1075                                                 "encoding values error" );
1076                                         attrs_free( aa );
1077                                         goto error_return;
1078                                 }
1079                         }
1080                 }
1081
1082                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1083 #ifdef NEW_LOGGING
1084                         LDAP_LOG( OPERATION, ERR,
1085                                 "send_search_entry: conn %lu  ber_printf failed\n",
1086                                 op->o_connid, 0, 0 );
1087 #else
1088                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1089 #endif
1090
1091                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1092                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1093                         attrs_free( aa );
1094                         goto error_return;
1095                 }
1096         }
1097
1098 #ifdef LDAP_SLAPI
1099         /*
1100          * First, setup the computed attribute context that is
1101          * passed to all plugins.
1102          */
1103         if ( op->o_pb ) {
1104                 ctx.cac_pb = op->o_pb;
1105                 ctx.cac_attrs = rs->sr_attrs;
1106                 ctx.cac_attrsonly = op->ors_attrsonly;
1107                 ctx.cac_userattrs = userattrs;
1108                 ctx.cac_opattrs = opattrs;
1109                 ctx.cac_acl_state = acl_state;
1110                 ctx.cac_private = (void *)ber;
1111
1112                 /*
1113                  * For each client requested attribute, call the plugins.
1114                  */
1115                 if ( rs->sr_attrs != NULL ) {
1116                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1117                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1118                                         rs->sr_entry, slapi_x_compute_output_ber );
1119                                 if ( rc == 1 ) {
1120                                         break;
1121                                 }
1122                         }
1123                 } else {
1124                         /*
1125                          * Technically we shouldn't be returning operational attributes
1126                          * when the user requested only user attributes. We'll let the
1127                          * plugin decide whether to be naughty or not.
1128                          */
1129                         rc = compute_evaluator( &ctx, "*",
1130                                 rs->sr_entry, slapi_x_compute_output_ber );
1131                 }
1132                 if ( rc == 1 ) {
1133                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1134                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1135                         goto error_return;
1136                 }
1137         }
1138 #endif /* LDAP_SLAPI */
1139
1140         /* free e_flags */
1141         if ( e_flags ) {
1142                 sl_free( e_flags, op->o_tmpmemctx );
1143                 e_flags = NULL;
1144         }
1145
1146         attrs_free( aa );
1147         rc = ber_printf( ber, /*{{*/ "}N}" );
1148
1149         if( rc != -1 && rs->sr_ctrls != NULL ) {
1150                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1151         }
1152
1153         if( rc != -1 ) {
1154 #ifdef LDAP_CONNECTIONLESS
1155                 if( op->o_conn && op->o_conn->c_is_udp ) {
1156                         if ( op->o_protocol != LDAP_VERSION2 ) {
1157                                 rc = ber_printf( ber, /*{*/ "N}" );
1158                         }
1159                 } else
1160 #endif
1161                 if ( op->o_res_ber == NULL ) {
1162                         rc = ber_printf( ber, /*{*/ "N}" );
1163                 }
1164         }
1165
1166         if ( rc == -1 ) {
1167 #ifdef NEW_LOGGING
1168                 LDAP_LOG( OPERATION, ERR,
1169                         "send_search_entry: conn %lu ber_printf failed\n",
1170                         op->o_connid, 0, 0 );
1171 #else
1172                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1173 #endif
1174
1175                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1176                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1177                 rc = 1;
1178                 goto error_return;
1179         }
1180
1181         if ( op->o_res_ber == NULL ) {
1182                 bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1183                 ber_free_buf( ber );
1184
1185                 if ( bytes < 0 ) {
1186 #ifdef NEW_LOGGING
1187                         LDAP_LOG( OPERATION, ERR,
1188                                 "send_search_entry: conn %lu  ber write failed.\n",
1189                                 op->o_connid, 0, 0 );
1190 #else
1191                         Debug( LDAP_DEBUG_ANY,
1192                                 "send_search_entry: ber write failed\n",
1193                                 0, 0, 0 );
1194 #endif
1195
1196                         rc = -1;
1197                         goto error_return;
1198                 }
1199                 rs->sr_nentries++;
1200
1201                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1202                 num_bytes_sent += bytes;
1203                 num_entries_sent++;
1204                 num_pdu_sent++;
1205                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1206         }
1207
1208         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1209             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1210
1211 #ifdef NEW_LOGGING
1212         LDAP_LOG( OPERATION, ENTRY,
1213                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1214 #else
1215         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1216 #endif
1217
1218         rc = 0;
1219
1220 error_return:;
1221         if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH
1222                 && rs->sr_entry
1223                 && (rs->sr_flags & REP_ENTRY_MUSTBEFREED) )
1224         {
1225                 entry_free( rs->sr_entry );
1226                 rs->sr_entry = NULL;
1227                 rs->sr_flags &= ~REP_ENTRY_MUSTBEFREED;
1228         }
1229
1230         if ( e_flags ) sl_free( e_flags, op->o_tmpmemctx );
1231
1232         return( rc );
1233 }
1234
1235 int
1236 slap_send_search_reference( Operation *op, SlapReply *rs )
1237 {
1238         BerElementBuffer berbuf;
1239         BerElement      *ber = (BerElement *) &berbuf;
1240         int rc = 0;
1241         int bytes;
1242
1243         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1244         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1245
1246         rs->sr_type = REP_SEARCHREF;
1247         if (op->o_callback && op->o_callback->sc_response) {
1248                 rc = op->o_callback->sc_response( op, rs );
1249                 if ( rc != SLAP_CB_CONTINUE ) return rc;
1250         }
1251
1252 #ifdef NEW_LOGGING
1253         LDAP_LOG( OPERATION, ENTRY,
1254                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1255                 op->o_connid,
1256                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1257 #else
1258         Debug( LDAP_DEBUG_TRACE,
1259                 "=> send_search_reference: dn=\"%s\"\n",
1260                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1261 #endif
1262
1263         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1264                 ad_entry, NULL, ACL_READ, NULL ) )
1265         {
1266 #ifdef NEW_LOGGING
1267                 LDAP_LOG( ACL, INFO,
1268                         "send_search_reference: conn %lu        "
1269                         "access to entry %s not allowed\n",
1270                         op->o_connid, rs->sr_entry->e_dn, 0 );
1271 #else
1272                 Debug( LDAP_DEBUG_ACL,
1273                         "send_search_reference: access to entry not allowed\n",
1274                     0, 0, 0 );
1275 #endif
1276                 return 1;
1277         }
1278
1279         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1280                 ad_ref, NULL, ACL_READ, NULL ) )
1281         {
1282 #ifdef NEW_LOGGING
1283                 LDAP_LOG( ACL, INFO,
1284                         "send_search_reference: conn %lu access "
1285                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1286 #else
1287                 Debug( LDAP_DEBUG_ACL,
1288                         "send_search_reference: access "
1289                         "to reference not allowed\n",
1290                     0, 0, 0 );
1291 #endif
1292                 return 1;
1293         }
1294
1295 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1296         if( op->o_domain_scope ) {
1297 #ifdef NEW_LOGGING
1298                 LDAP_LOG( OPERATION, ERR,
1299                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1300                         op->o_connid, rs->sr_entry->e_dn, 0 );
1301 #else
1302                 Debug( LDAP_DEBUG_ANY,
1303                         "send_search_reference: domainScope control in (%s)\n",
1304                         rs->sr_entry->e_dn, 0, 0 );
1305 #endif
1306                 return 0;
1307         }
1308 #endif
1309
1310         if( rs->sr_ref == NULL ) {
1311 #ifdef NEW_LOGGING
1312                 LDAP_LOG( OPERATION, ERR,
1313                         "send_search_reference: conn %lu null ref in (%s).\n",
1314                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1315 #else
1316                 Debug( LDAP_DEBUG_ANY,
1317                         "send_search_reference: null ref in (%s)\n",
1318                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1319 #endif
1320                 return 1;
1321         }
1322
1323         if( op->o_protocol < LDAP_VERSION3 ) {
1324                 /* save the references for the result */
1325                 if( rs->sr_ref[0].bv_val != NULL ) {
1326                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1327                                 return LDAP_OTHER;
1328                 }
1329                 return 0;
1330         }
1331
1332 #ifdef LDAP_CONNECTIONLESS
1333         if( op->o_conn && op->o_conn->c_is_udp ) {
1334                 ber = op->o_res_ber;
1335         } else
1336 #endif
1337         {
1338                 ber_init_w_nullc( ber, LBER_USE_DER );
1339                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1340         }
1341
1342         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1343                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1344
1345         if( rc != -1 && rs->sr_ctrls != NULL ) {
1346                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1347         }
1348
1349         if( rc != -1 ) {
1350                 rc = ber_printf( ber, /*"{"*/ "N}" );
1351         }
1352
1353         if ( rc == -1 ) {
1354 #ifdef NEW_LOGGING
1355                 LDAP_LOG( OPERATION, ERR,
1356                         "send_search_reference: conn %lu        "
1357                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1358 #else
1359                 Debug( LDAP_DEBUG_ANY,
1360                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1361 #endif
1362
1363 #ifdef LDAP_CONNECTIONLESS
1364                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1365 #endif
1366                 ber_free_buf( ber );
1367                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1368                 return rc;
1369         }
1370
1371 #ifdef LDAP_CONNECTIONLESS
1372         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1373 #endif
1374         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1375         ber_free_buf( ber );
1376
1377         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1378         num_bytes_sent += bytes;
1379         num_refs_sent++;
1380         num_pdu_sent++;
1381         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1382 #ifdef LDAP_CONNECTIONLESS
1383         }
1384 #endif
1385
1386         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1387                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1388
1389 #ifdef NEW_LOGGING
1390         LDAP_LOG( OPERATION, ENTRY,
1391                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1392 #else
1393         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1394 #endif
1395
1396         return rc;
1397 }
1398
1399 int
1400 str2result(
1401     char        *s,
1402     int         *code,
1403     char        **matched,
1404     char        **info
1405 )
1406 {
1407         int     rc;
1408         char    *c;
1409
1410         *code = LDAP_SUCCESS;
1411         *matched = NULL;
1412         *info = NULL;
1413
1414         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1415 #ifdef NEW_LOGGING
1416                 LDAP_LOG( OPERATION, INFO,
1417                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1418 #else
1419                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1420                     s, 0, 0 );
1421 #endif
1422
1423                 return( -1 );
1424         }
1425
1426         rc = 0;
1427         while ( (s = strchr( s, '\n' )) != NULL ) {
1428                 *s++ = '\0';
1429                 if ( *s == '\0' ) {
1430                         break;
1431                 }
1432                 if ( (c = strchr( s, ':' )) != NULL ) {
1433                         c++;
1434                 }
1435
1436                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1437                         if ( c != NULL ) {
1438                                 *code = atoi( c );
1439                         }
1440                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1441                         if ( c != NULL ) {
1442                                 *matched = c;
1443                         }
1444                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1445                         if ( c != NULL ) {
1446                                 *info = c;
1447                         }
1448                 } else {
1449 #ifdef NEW_LOGGING
1450                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1451 #else
1452                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1453                             s, 0, 0 );
1454 #endif
1455
1456                         rc = -1;
1457                 }
1458         }
1459
1460         return( rc );
1461 }
1462
1463 int slap_read_controls(
1464         Operation *op,
1465         SlapReply *rs,
1466         Entry *e,
1467         const struct berval *oid,
1468         LDAPControl **ctrl )
1469 {
1470         int rc;
1471         struct berval bv;
1472         BerElementBuffer berbuf;
1473         BerElement *ber = (BerElement *) &berbuf;
1474         LDAPControl c;
1475         ber_len_t       siz, len;
1476         Operation myop;
1477
1478 #ifdef NEW_LOGGING
1479         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1480                 oid->bv_val, e->e_dn, 0 );
1481 #else
1482         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1483                 oid->bv_val, e->e_dn, 0 );
1484 #endif
1485
1486         rs->sr_entry = e;
1487         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1488                 op->o_preread_attrs : op->o_postread_attrs;
1489
1490         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1491         bv.bv_len = siz + len;
1492         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1493
1494         ber_init2( ber, &bv, LBER_USE_DER );
1495         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1496
1497         /* create new operation */
1498         myop = *op;
1499         myop.o_bd = NULL;
1500         myop.o_res_ber = ber;
1501
1502         rc = slap_send_search_entry( &myop, rs );
1503         if( rc ) return rc;
1504
1505         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1506
1507         if( rc == LBER_ERROR ) return LDAP_OTHER;
1508
1509         c.ldctl_oid = oid->bv_val;
1510         c.ldctl_iscritical = 0;
1511
1512         *ctrl = sl_calloc( 1, sizeof(LDAPControl), NULL );
1513         **ctrl = c;
1514         return LDAP_SUCCESS;
1515 }