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

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