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 static 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                 op->o_callback->sc_response( op, rs );
 233                 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 && op->o_protocol == LDAP_VERSION2) {
 271                 rc = ber_printf( ber, "t{ess" /*"}}"*/,
 272                         rs->sr_tag, rs->sr_err,
 273                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 274                 rs->sr_text == NULL ? "" : rs->sr_text );
 275         } else
 276 #endif
 277         {
 278             rc = ber_printf( ber, "{it{ess" /*"}}"*/,
 279                 rs->sr_msgid, rs->sr_tag, rs->sr_err,
 280                 rs->sr_matched == NULL ? "" : rs->sr_matched,
 281                 rs->sr_text == NULL ? "" : rs->sr_text );
 282         }
 283
 284         if( rc != -1 ) {
 285                 if ( rs->sr_ref != NULL ) {
 286                         assert( rs->sr_err == LDAP_REFERRAL );
 287                         rc = ber_printf( ber, "t{W}",
 288                                 LDAP_TAG_REFERRAL, rs->sr_ref );
 289                 } else {
 290                         assert( rs->sr_err != LDAP_REFERRAL );
 291                 }
 292         }
 293
 294         if( rc != -1 && rs->sr_type == REP_SASL && rs->sr_sasldata != NULL ) {
 295                 rc = ber_printf( ber, "tO",
 296                         LDAP_TAG_SASL_RES_CREDS, rs->sr_sasldata );
 297         }
 298
 299         if( rc != -1 && rs->sr_type == REP_EXTENDED ) {
 300                 if ( rs->sr_rspoid != NULL ) {
 301                         rc = ber_printf( ber, "ts",
 302                                 LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
 303                 }
 304                 if( rc != -1 && rs->sr_rspdata != NULL ) {
 305                         rc = ber_printf( ber, "tO",
 306                                 LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
 307                 }
 308         }
 309
 310         if( rc != -1 ) {
 311                 rc = ber_printf( ber, /*"{"*/ "N}" );
 312         }
 313
 314         if( rc != -1 && rs->sr_ctrls != NULL ) {
 315                 rc = send_ldap_controls( ber, rs->sr_ctrls );
 316         }
 317
 318         if( rc != -1 ) {
 319                 rc = ber_printf( ber, /*"{"*/ "N}" );
 320         }
 321
 322 #ifdef LDAP_CONNECTIONLESS
 323         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 324                 rc = ber_printf( ber, /*"{"*/ "N}" );
 325         }
 326 #endif
 327
 328         if ( rc == -1 ) {
 329 #ifdef NEW_LOGGING
 330                 LDAP_LOG( OPERATION, ERR,
 331                         "send_ldap_response: conn %lu  ber_printf failed\n",
 332                         op->o_connid, 0, 0 );
 333 #else
 334                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 335 #endif
 336
 337 #ifdef LDAP_CONNECTIONLESS
 338                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 339 #endif
 340                 ber_free_buf( ber );
 341                 return;
 342         }
 343
 344         /* send BER */
 345         bytes = send_ldap_ber( op->o_conn, ber );
 346 #ifdef LDAP_CONNECTIONLESS
 347         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 348 #endif
 349         ber_free_buf( ber );
 350
 351         if ( bytes < 0 ) {
 352 #ifdef NEW_LOGGING
 353                 LDAP_LOG( OPERATION, ERR,
 354                         "send_ldap_response: conn %lu ber write failed\n",
 355                         op->o_connid ? op->o_connid : 0, 0, 0 );
 356 #else
 357                 Debug( LDAP_DEBUG_ANY,
 358                         "send_ldap_response: ber write failed\n",
 359                         0, 0, 0 );
 360 #endif
 361
 362                 return;
 363         }
 364
 365 #ifdef LDAP_SLAPI
 366         slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 367         slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, ( rs->sr_matched != NULL ) ? (void *)ch_strdup( rs->sr_matched ) : NULL );
 368         slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, ( rs->sr_text != NULL ) ? (void *)ch_strdup( rs->sr_text ) : NULL );
 369 #endif /* LDAP_SLAPI */
 370
 371         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 372         num_bytes_sent += bytes;
 373         num_pdu_sent++;
 374         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 375         return;
 376 }
 377
 378
 379 void
 380 send_ldap_disconnect( Operation *op, SlapReply *rs )
 381 {
 382 #define LDAP_UNSOLICITED_ERROR(e) \
 383         (  (e) == LDAP_PROTOCOL_ERROR \
 384         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 385         || (e) == LDAP_UNAVAILABLE )
 386
 387         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 388
 389         rs->sr_type = REP_EXTENDED;
 390
 391 #ifdef NEW_LOGGING
 392         LDAP_LOG( OPERATION, ENTRY,
 393                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 394                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 395 #else
 396         Debug( LDAP_DEBUG_TRACE,
 397                 "send_ldap_disconnect %d:%s\n",
 398                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 399 #endif
 400
 401
 402         if ( op->o_protocol < LDAP_VERSION3 ) {
 403                 rs->sr_rspoid = NULL;
 404                 rs->sr_tag = req2res( op->o_tag );
 405                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 406
 407         } else {
 408                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 409                 rs->sr_tag = LDAP_RES_EXTENDED;
 410                 rs->sr_msgid = 0;
 411         }
 412
 413         send_ldap_response( op, rs );
 414
 415         Statslog( LDAP_DEBUG_STATS,
 416             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 417                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 418 }
 419
 420 void
 421 slap_send_ldap_result( Operation *op, SlapReply *rs )
 422 {
 423         char *tmp = NULL;
 424         const char *otext = rs->sr_text;
 425         BerVarray oref = rs->sr_ref;
 426
 427         rs->sr_type = REP_RESULT;
 428
 429         assert( !LDAP_API_ERROR( rs->sr_err ) && ( rs->sr_err >= 0 ));
 430
 431 #ifdef NEW_LOGGING
 432         LDAP_LOG( OPERATION, ENTRY,
 433                 "send_ldap_result: conn %lu op=%lu p=%d\n",
 434                 op->o_connid, op->o_opid, op->o_protocol );
 435 #else
 436         Debug( LDAP_DEBUG_TRACE,
 437                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 438                 op->o_connid, op->o_opid, op->o_protocol );
 439 #endif
 440
 441 #ifdef NEW_LOGGING
 442         LDAP_LOG( OPERATION, ARGS,
 443                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 444                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "", rs->sr_text ? rs->sr_text : "" );
 445 #else
 446         Debug( LDAP_DEBUG_ARGS,
 447                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 448                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "", rs->sr_text ? rs->sr_text : "" );
 449 #endif
 450
 451
 452         if( rs->sr_ref ) {
 453 #ifdef NEW_LOGGING
 454                 LDAP_LOG( OPERATION, ARGS,
 455                         "send_ldap_result: referral=\"%s\"\n",
 456                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 457 #else
 458                 Debug( LDAP_DEBUG_ARGS,
 459                         "send_ldap_result: referral=\"%s\"\n",
 460                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 461                         NULL, NULL );
 462 #endif
 463         }
 464
 465         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 466
 467         if ( rs->sr_err == LDAP_REFERRAL ) {
 468 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 469                 if( op->o_domain_scope ) {
 470                         rs->sr_ref = NULL;
 471                 }
 472 #endif
 473                 if( rs->sr_ref == NULL ) {
 474                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 475                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 476                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 477                 }
 478         }
 479
 480         if ( op->o_protocol < LDAP_VERSION3 ) {
 481                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 482                 rs->sr_text = tmp;
 483                 rs->sr_ref = NULL;
 484         }
 485
 486         rs->sr_tag = req2res( op->o_tag );
 487         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 488
 489         send_ldap_response( op, rs );
 490
 491         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 492                 char nbuf[64];
 493                 snprintf( nbuf, sizeof nbuf, "%d nentries=%d", rs->sr_err, rs->sr_nentries );
 494
 495                 Statslog( LDAP_DEBUG_STATS,
 496                         "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 497                         op->o_connid, op->o_opid, rs->sr_tag, nbuf, rs->sr_text ? rs->sr_text : "" );
 498         } else {
 499                 Statslog( LDAP_DEBUG_STATS,
 500                         "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 501                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 502         }
 503
 504         if( tmp != NULL ) {
 505                 ch_free(tmp);
 506         }
 507         rs->sr_text = otext;
 508         rs->sr_ref = oref;
 509 }
 510
 511 void
 512 send_ldap_sasl( Operation *op, SlapReply *rs )
 513 {
 514         rs->sr_type = REP_SASL;
 515 #ifdef NEW_LOGGING
 516         LDAP_LOG( OPERATION, ENTRY,
 517                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 518                 op->o_connid, rs->sr_err, rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 519 #else
 520         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 521                 rs->sr_err, rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 522 #endif
 523
 524         rs->sr_tag = req2res( op->o_tag );
 525         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 526
 527         send_ldap_response( op, rs );
 528 }
 529
 530 void
 531 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 532 {
 533         rs->sr_type = REP_EXTENDED;
 534
 535 #ifdef NEW_LOGGING
 536         LDAP_LOG( OPERATION, ENTRY,
 537                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 538                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 539                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 540 #else
 541         Debug( LDAP_DEBUG_TRACE,
 542                 "send_ldap_extended: err=%d oid=%s len=%ld\n",
 543                 rs->sr_err,
 544                 rs->sr_rspoid ? rs->sr_rspoid : "",
 545                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 546 #endif
 547
 548         rs->sr_tag = req2res( op->o_tag );
 549         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 550
 551         send_ldap_response( op, rs );
 552 }
 553
 554 #ifdef LDAP_RES_INTERMEDIATE_RESP
 555 void
 556 slap_send_ldap_intermediate_resp( Operation *op, SlapReply *rs )
 557 {
 558         rs->sr_type = REP_EXTENDED;
 559 #ifdef NEW_LOGGING
 560         LDAP_LOG( OPERATION, ENTRY,
 561                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 562                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 563                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 564 #else
 565         Debug( LDAP_DEBUG_TRACE,
 566                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 567                 rs->sr_err,
 568                 rs->sr_rspoid ? rs->sr_rspoid : "",
 569                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 570 #endif
 571         rs->sr_tag = LDAP_RES_INTERMEDIATE_RESP;
 572         rs->sr_msgid = op->o_msgid;
 573         send_ldap_response( op, rs );
 574 }
 575 #endif
 576
 577 int
 578 slap_send_search_entry( Operation *op, SlapReply *rs )
 579 {
 580         char berbuf[LBER_ELEMENT_SIZEOF];
 581         BerElement      *ber = (BerElement *)berbuf;
 582         Attribute       *a, *aa;
 583         int             i, j, rc=-1, bytes;
 584         char            *edn;
 585         int             userattrs;
 586         int             opattrs;
 587         AccessControlState acl_state = ACL_STATE_INIT;
 588 #ifdef LDAP_SLAPI
 589         /* Support for computed attribute plugins */
 590         computed_attr_context    ctx;
 591         AttributeName   *anp;
 592 #endif
 593         void            *mark = NULL;
 594
 595         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 596
 597         /* a_flags: array of flags telling if the i-th element will be
 598          *          returned or filtered out
 599          * e_flags: array of a_flags
 600          */
 601         char **e_flags = NULL;
 602
 603         rs->sr_type = REP_SEARCH;
 604         if (op->o_callback && op->o_callback->sc_response) {
 605                 return op->o_callback->sc_response( op, rs );
 606         }
 607
 608 #ifdef NEW_LOGGING
 609         LDAP_LOG( OPERATION, ENTRY,
 610                 "send_search_entry: conn %lu    dn=\"%s\"%s\n",
 611                 op->o_connid, rs->sr_entry->e_name.bv_val, op->ors_attrsonly ? " (attrsOnly)" : "" );
 612 #else
 613         Debug( LDAP_DEBUG_TRACE,
 614                 "=> send_search_entry: dn=\"%s\"%s\n",
 615                 rs->sr_entry->e_name.bv_val, op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 616 #endif
 617
 618         mark = sl_mark( op->o_tmpmemctx );
 619
 620         if ( ! access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL ) )
 621         {
 622 #ifdef NEW_LOGGING
 623                 LDAP_LOG( ACL, INFO,
 624                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 625                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 626 #else
 627                 Debug( LDAP_DEBUG_ACL,
 628                         "send_search_entry: access to entry not allowed\n",
 629                     0, 0, 0 );
 630 #endif
 631
 632                 sl_release( mark, op->o_tmpmemctx );
 633                 return( 1 );
 634         }
 635
 636         edn = rs->sr_entry->e_nname.bv_val;
 637
 638 #ifdef LDAP_CONNECTIONLESS
 639         if (op->o_conn && op->o_conn->c_is_udp)
 640             ber = op->o_res_ber;
 641         else
 642 #endif
 643         {
 644                 ber_len_t       siz, len;
 645                 struct berval   bv;
 646
 647                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 648                 bv.bv_len = siz + len;
 649                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 650
 651                 ber_init2( ber, &bv, LBER_USE_DER );
 652                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 653         }
 654
 655 #ifdef LDAP_CONNECTIONLESS
 656         if (op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 657             rc = ber_printf(ber, "t{O{" /*}}*/,
 658                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name);
 659         } else
 660 #endif
 661         {
 662             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 663                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 664         }
 665
 666         if ( rc == -1 ) {
 667 #ifdef NEW_LOGGING
 668                 LDAP_LOG( OPERATION, ERR,
 669                         "send_search_entry: conn %lu  ber_printf failed\n",
 670                         op->o_connid, 0, 0 );
 671 #else
 672                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 673 #endif
 674
 675 #ifdef LDAP_CONNECTIONLESS
 676                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
 677 #endif
 678                 ber_free_buf( ber );
 679                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 680                 goto error_return;
 681         }
 682
 683         /* check for special all user attributes ("*") type */
 684         userattrs = ( rs->sr_attrs == NULL ) ? 1
 685                 : an_find( rs->sr_attrs, &AllUser );
 686
 687         /* check for special all operational attributes ("+") type */
 688         opattrs = ( rs->sr_attrs == NULL ) ? 0
 689                 : an_find( rs->sr_attrs, &AllOper );
 690
 691         /* create an array of arrays of flags. Each flag corresponds
 692          * to particular value of attribute and equals 1 if value matches
 693          * to ValuesReturnFilter or 0 if not
 694          */
 695         if ( op->vrFilter != NULL ) {
 696                 int     k = 0;
 697                 size_t  size;
 698
 699                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 700                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 701                 }
 702
 703                 size = i * sizeof(char *) + k;
 704                 if ( size > 0 ) {
 705                         char    *a_flags;
 706                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 707                         if( e_flags == NULL ) {
 708 #ifdef NEW_LOGGING
 709                                 LDAP_LOG( OPERATION, ERR,
 710                                         "send_search_entry: conn %lu sl_calloc failed\n",
 711                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 712 #else
 713                         Debug( LDAP_DEBUG_ANY,
 714                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 715 #endif
 716                                 ber_free( ber, 1 );
 717
 718                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 719                                 goto error_return;
 720                         }
 721                         a_flags = (char *)(e_flags + i);
 722                         memset( a_flags, 0, k );
 723                         for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 724                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 725                                 e_flags[i] = a_flags;
 726                                 a_flags += j;
 727                         }
 728
 729                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 730                         if ( rc == -1 ) {
 731 #ifdef NEW_LOGGING
 732                                 LDAP_LOG( OPERATION, ERR,
 733                                         "send_search_entry: conn %lu matched values filtering failed\n",
 734                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 735 #else
 736                         Debug( LDAP_DEBUG_ANY,
 737                                         "matched values filtering failed\n", 0, 0, 0 );
 738 #endif
 739 #ifdef LDAP_CONNECTIONLESS
 740                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 741 #endif
 742                                 ber_free( ber, 1 );
 743                                 send_ldap_error( op, rs, LDAP_OTHER, "matched values filtering error" );
 744                                 goto error_return;
 745                         }
 746                 }
 747         }
 748
 749         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 750                 AttributeDescription *desc = a->a_desc;
 751
 752                 if ( rs->sr_attrs == NULL ) {
 753                         /* all attrs request, skip operational attributes */
 754                         if( is_at_operational( desc->ad_type ) ) {
 755                                 continue;
 756                         }
 757
 758                 } else {
 759                         /* specific attrs requested */
 760                         if ( is_at_operational( desc->ad_type ) ) {
 761                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 762                                         continue;
 763                                 }
 764
 765                         } else {
 766                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 767                                         continue;
 768                                 }
 769                         }
 770                 }
 771
 772                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 773                         ACL_READ, &acl_state ) )
 774                 {
 775 #ifdef NEW_LOGGING
 776                         LDAP_LOG( ACL, INFO,
 777                                 "send_search_entry: conn %lu  access to attribute %s not "
 778                                 "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 779 #else
 780                         Debug( LDAP_DEBUG_ACL, "acl: "
 781                                 "access to attribute %s not allowed\n",
 782                             desc->ad_cname.bv_val, 0, 0 );
 783 #endif
 784                         continue;
 785                 }
 786
 787                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 788 #ifdef NEW_LOGGING
 789                         LDAP_LOG( OPERATION, ERR,
 790                                 "send_search_entry: conn %lu  ber_printf failed\n",
 791                                 op->o_connid, 0, 0 );
 792 #else
 793                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 794 #endif
 795
 796 #ifdef LDAP_CONNECTIONLESS
 797                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 798 #endif
 799                         ber_free_buf( ber );
 800                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error");
 801                         goto error_return;
 802                 }
 803
 804                 if ( ! op->ors_attrsonly ) {
 805                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 806                                 if ( ! access_allowed( op, rs->sr_entry,
 807                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 808                                 {
 809 #ifdef NEW_LOGGING
 810                                         LDAP_LOG( ACL, INFO,
 811                                                 "send_search_entry: conn %lu "
 812                                                 "access to attribute %s, value %d not allowed\n",
 813                                                 op->o_connid, desc->ad_cname.bv_val, i );
 814 #else
 815                                         Debug( LDAP_DEBUG_ACL,
 816                                                 "acl: access to attribute %s, "
 817                                                 "value %d not allowed\n",
 818                                                 desc->ad_cname.bv_val, i, 0 );
 819 #endif
 820
 821                                         continue;
 822                                 }
 823
 824                                 if ( op->vrFilter && e_flags[j][i] == 0 ){
 825                                         continue;
 826                                 }
 827
 828                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 829 #ifdef NEW_LOGGING
 830                                         LDAP_LOG( OPERATION, ERR,
 831                                                 "send_search_entry: conn %lu  "
 832                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
 833 #else
 834                                         Debug( LDAP_DEBUG_ANY,
 835                                             "ber_printf failed\n", 0, 0, 0 );
 836 #endif
 837
 838 #ifdef LDAP_CONNECTIONLESS
 839                                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 840 #endif
 841                                         ber_free_buf( ber );
 842                                         send_ldap_error( op, rs, LDAP_OTHER, "encoding values error" );
 843                                         goto error_return;
 844                                 }
 845                         }
 846                 }
 847
 848                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 849 #ifdef NEW_LOGGING
 850                         LDAP_LOG( OPERATION, ERR,
 851                                 "send_search_entry: conn %lu ber_printf failed\n",
 852                                 op->o_connid, 0, 0 );
 853 #else
 854                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 855 #endif
 856
 857 #ifdef LDAP_CONNECTIONLESS
 858                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 859 #endif
 860                         ber_free_buf( ber );
 861                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
 862                         goto error_return;
 863                 }
 864         }
 865
 866         /* eventually will loop through generated operational attributes */
 867         /* only have subschemaSubentry implemented */
 868         aa = backend_operational( op, rs, opattrs );
 869
 870         if ( aa != NULL && op->vrFilter != NULL ) {
 871                 int     k = 0;
 872                 size_t  size;
 873
 874                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 875                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 876                 }
 877
 878                 size = i * sizeof(char *) + k;
 879                 if ( size > 0 ) {
 880                         char    *a_flags, **tmp;
 881
 882                         /*
 883                          * Reuse previous memory - we likely need less space
 884                          * for operational attributes
 885                          */
 886                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k, op->o_tmpmemctx );
 887                         if ( tmp == NULL ) {
 888 #ifdef NEW_LOGGING
 889                                 LDAP_LOG( OPERATION, ERR,
 890                                         "send_search_entry: conn %lu "
 891                                         "not enough memory "
 892                                         "for matched values filtering\n",
 893                                         op->o_connid, 0, 0);
 894 #else
 895                                 Debug( LDAP_DEBUG_ANY,
 896                                         "send_search_entry: conn %lu "
 897                                         "not enough memory "
 898                                         "for matched values filtering\n",
 899                                         op->o_connid, 0, 0 );
 900 #endif
 901                                 ber_free( ber, 1 );
 902
 903                                 send_ldap_error( op, rs, LDAP_OTHER, "not enough memory for matched values filtering" );
 904                                 goto error_return;
 905                         }
 906                         e_flags = tmp;
 907                         a_flags = (char *)(e_flags + i);
 908                         memset( a_flags, 0, k );
 909                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 910                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 911                                 e_flags[i] = a_flags;
 912                                 a_flags += j;
 913                         }
 914                         rc = filter_matched_values(op, aa, &e_flags) ;
 915
 916                         if ( rc == -1 ) {
 917 #ifdef NEW_LOGGING
 918                                 LDAP_LOG( OPERATION, ERR,
 919                                         "send_search_entry: conn %lu "
 920                                         "matched values filtering failed\n",
 921                                         op->o_connid ? op->o_connid : 0, 0, 0);
 922 #else
 923                                 Debug( LDAP_DEBUG_ANY,
 924                                         "matched values filtering failed\n", 0, 0, 0 );
 925 #endif
 926 #ifdef LDAP_CONNECTIONLESS
 927                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 928 #endif
 929                                 ber_free( ber, 1 );
 930
 931                                 send_ldap_error( op, rs, LDAP_OTHER, "matched values filtering error" );
 932                                 goto error_return;
 933                         }
 934                 }
 935         }
 936
 937         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
 938                 AttributeDescription *desc = a->a_desc;
 939
 940                 if ( rs->sr_attrs == NULL ) {
 941                         /* all attrs request, skip operational attributes */
 942                         if( is_at_operational( desc->ad_type ) ) {
 943                                 continue;
 944                         }
 945
 946                 } else {
 947                         /* specific attrs requested */
 948                         if( is_at_operational( desc->ad_type ) ) {
 949                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 950                                         continue;
 951                                 }
 952                         } else {
 953                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) )
 954                                 {
 955                                         continue;
 956                                 }
 957                         }
 958                 }
 959
 960                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 961                         ACL_READ, &acl_state ) )
 962                 {
 963 #ifdef NEW_LOGGING
 964                         LDAP_LOG( ACL, INFO,
 965                                 "send_search_entry: conn %lu "
 966                                 "access to attribute %s not allowed\n",
 967                                 op->o_connid, desc->ad_cname.bv_val, 0 );
 968 #else
 969                         Debug( LDAP_DEBUG_ACL, "send_search_entry: access to attribute %s "
 970                                         "not allowed\n",
 971                                         desc->ad_cname.bv_val, 0, 0 );
 972 #endif
 973
 974                         continue;
 975                 }
 976
 977                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
 978                 if ( rc == -1 ) {
 979 #ifdef NEW_LOGGING
 980                         LDAP_LOG( OPERATION, ERR,
 981                                 "send_search_entry: conn %lu  "
 982                                 "ber_printf failed\n", op->o_connid, 0, 0 );
 983 #else
 984                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 985 #endif
 986
 987 #ifdef LDAP_CONNECTIONLESS
 988                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
 989 #endif
 990                         ber_free_buf( ber );
 991                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error" );
 992
 993                         attrs_free( aa );
 994                         goto error_return;
 995                 }
 996
 997                 if ( ! op->ors_attrsonly ) {
 998                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 999                                 if ( ! access_allowed( op, rs->sr_entry,
1000                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1001                                 {
1002 #ifdef NEW_LOGGING
1003                                         LDAP_LOG( ACL, INFO,
1004                                                 "send_search_entry: conn %lu "
1005                                                 "access to %s, value %d not allowed\n",
1006                                                 op->o_connid, desc->ad_cname.bv_val, i );
1007 #else
1008                                         Debug( LDAP_DEBUG_ACL,
1009                                                 "send_search_entry: access to attribute %s, "
1010                                                 "value %d not allowed\n",
1011                                                 desc->ad_cname.bv_val, i, 0 );
1012 #endif
1013
1014                                         continue;
1015                                 }
1016
1017                                 if ( op->vrFilter && e_flags[j][i] == 0 ){
1018                                         continue;
1019                                 }
1020
1021                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1022 #ifdef NEW_LOGGING
1023                                         LDAP_LOG( OPERATION, ERR,
1024                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1025                                                 op->o_connid, 0, 0 );
1026 #else
1027                                         Debug( LDAP_DEBUG_ANY,
1028                                             "ber_printf failed\n", 0, 0, 0 );
1029 #endif
1030
1031 #ifdef LDAP_CONNECTIONLESS
1032                                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
1033 #endif
1034                                         ber_free_buf( ber );
1035                                         send_ldap_error( op, rs, LDAP_OTHER, "encoding values error" );
1036                                         attrs_free( aa );
1037                                         goto error_return;
1038                                 }
1039                         }
1040                 }
1041
1042                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1043 #ifdef NEW_LOGGING
1044                         LDAP_LOG( OPERATION, ERR,
1045                                 "send_search_entry: conn %lu  ber_printf failed\n",
1046                                 op->o_connid, 0, 0 );
1047 #else
1048                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1049 #endif
1050
1051 #ifdef LDAP_CONNECTIONLESS
1052                         if (!op->o_conn || op->o_conn->c_is_udp == 0)
1053 #endif
1054                         ber_free_buf( ber );
1055                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1056
1057                         attrs_free( aa );
1058                         goto error_return;
1059                 }
1060         }
1061
1062 #ifdef LDAP_SLAPI
1063         /*
1064          * First, setup the computed attribute context that is
1065          * passed to all plugins.
1066          */
1067         ctx.cac_pb = op->o_pb;
1068         ctx.cac_attrs = rs->sr_attrs;
1069         ctx.cac_attrsonly = op->ors_attrsonly;
1070         ctx.cac_userattrs = userattrs;
1071         ctx.cac_opattrs = opattrs;
1072         ctx.cac_acl_state = acl_state;
1073         ctx.cac_private = (void *)ber;
1074
1075         /*
1076          * For each client requested attribute, call the plugins.
1077          */
1078         if ( rs->sr_attrs != NULL ) {
1079                 for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1080                         rc = compute_evaluator( &ctx, anp->an_name.bv_val, rs->sr_entry, slapi_x_compute_output_ber );
1081                         if ( rc == 1 ) {
1082                                 break;
1083                         }
1084                 }
1085         } else {
1086                 /*
1087                  * Technically we shouldn't be returning operational attributes
1088                  * when the user requested only user attributes. We'll let the
1089                  * plugin decide whether to be naughty or not.
1090                  */
1091                 rc = compute_evaluator( &ctx, "*", rs->sr_entry, slapi_x_compute_output_ber );
1092         }
1093         if ( rc == 1 ) {
1094                 ber_free_buf( ber );
1095                 send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1096                 goto error_return;
1097         }
1098 #endif /* LDAP_SLAPI */
1099
1100         /* free e_flags */
1101         if ( e_flags ) {
1102                 sl_free( e_flags, op->o_tmpmemctx );
1103                 e_flags = NULL;
1104         }
1105
1106         attrs_free( aa );
1107         rc = ber_printf( ber, /*{{*/ "}N}" );
1108
1109         if( rc != -1 && rs->sr_ctrls != NULL ) {
1110                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1111         }
1112
1113 #ifdef LDAP_CONNECTIONLESS
1114         if( op->o_conn && op->o_conn->c_is_udp && op->o_protocol == LDAP_VERSION2 ) {
1115                 ; /* empty, skip following if */
1116         } else
1117 #endif
1118         if( rc != -1 ) {
1119                 rc = ber_printf( ber, /*{*/ "N}" );
1120         }
1121
1122         if ( rc == -1 ) {
1123 #ifdef NEW_LOGGING
1124                 LDAP_LOG( OPERATION, ERR,
1125                         "send_search_entry: conn %lu ber_printf failed\n",
1126                         op->o_connid, 0, 0 );
1127 #else
1128                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1129 #endif
1130
1131 #ifdef LDAP_CONNECTIONLESS
1132                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1133 #endif
1134                 ber_free_buf( ber );
1135                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1136                 sl_release( mark, op->o_tmpmemctx );
1137                 return( 1 );
1138         }
1139
1140 #ifdef LDAP_CONNECTIONLESS
1141         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1142 #endif
1143         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1144         ber_free_buf( ber );
1145
1146         if ( bytes < 0 ) {
1147 #ifdef NEW_LOGGING
1148                 LDAP_LOG( OPERATION, ERR,
1149                            "send_search_entry: conn %lu  ber write failed.\n",
1150                            op->o_connid, 0, 0 );
1151 #else
1152                 Debug( LDAP_DEBUG_ANY,
1153                         "send_search_entry: ber write failed\n",
1154                         0, 0, 0 );
1155 #endif
1156
1157                 sl_release( mark, op->o_tmpmemctx );
1158                 return -1;
1159         }
1160         rs->sr_nentries++;
1161
1162         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1163         num_bytes_sent += bytes;
1164         num_entries_sent++;
1165         num_pdu_sent++;
1166         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1167
1168 #ifdef LDAP_CONNECTIONLESS
1169         }
1170 #endif
1171
1172         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1173             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1174
1175 #ifdef NEW_LOGGING
1176         LDAP_LOG( OPERATION, ENTRY,
1177                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1178 #else
1179         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1180 #endif
1181
1182         rc = 0;
1183
1184 error_return:;
1185         sl_release( mark, op->o_tmpmemctx );
1186         if ( e_flags ) sl_free( e_flags, op->o_tmpmemctx );
1187         return( rc );
1188 }
1189
1190 int
1191 slap_send_search_reference( Operation *op, SlapReply *rs )
1192 {
1193         char berbuf[LBER_ELEMENT_SIZEOF];
1194         BerElement      *ber = (BerElement *)berbuf;
1195         int rc = 0;
1196         int bytes;
1197         void *mark;
1198
1199         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1200         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1201
1202         rs->sr_type = REP_SEARCHREF;
1203         if (op->o_callback && op->o_callback->sc_response) {
1204                 return op->o_callback->sc_response( op, rs );
1205         }
1206
1207         mark = sl_mark( op->o_tmpmemctx );
1208
1209 #ifdef NEW_LOGGING
1210         LDAP_LOG( OPERATION, ENTRY,
1211                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1212                 op->o_connid, rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1213 #else
1214         Debug( LDAP_DEBUG_TRACE,
1215                 "=> send_search_reference: dn=\"%s\"\n",
1216                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1217 #endif
1218
1219         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1220                 ad_entry, NULL, ACL_READ, NULL ) )
1221         {
1222 #ifdef NEW_LOGGING
1223                 LDAP_LOG( ACL, INFO,
1224                         "send_search_reference: conn %lu        "
1225                         "access to entry %s not allowed\n",
1226                         op->o_connid, rs->sr_entry->e_dn, 0 );
1227 #else
1228                 Debug( LDAP_DEBUG_ACL,
1229                         "send_search_reference: access to entry not allowed\n",
1230                     0, 0, 0 );
1231 #endif
1232                 rc = 1;
1233                 goto rel;
1234         }
1235
1236         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1237                 ad_ref, NULL, ACL_READ, NULL ) )
1238         {
1239 #ifdef NEW_LOGGING
1240                 LDAP_LOG( ACL, INFO,
1241                         "send_search_reference: conn %lu access "
1242                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1243 #else
1244                 Debug( LDAP_DEBUG_ACL,
1245                         "send_search_reference: access "
1246                         "to reference not allowed\n",
1247                     0, 0, 0 );
1248 #endif
1249                 rc = 1;
1250                 goto rel;
1251         }
1252
1253 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1254         if( op->o_domain_scope ) {
1255 #ifdef NEW_LOGGING
1256                 LDAP_LOG( OPERATION, ERR,
1257                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1258                         op->o_connid, rs->sr_entry->e_dn, 0 );
1259 #else
1260                 Debug( LDAP_DEBUG_ANY,
1261                         "send_search_reference: domainScope control in (%s)\n",
1262                         rs->sr_entry->e_dn, 0, 0 );
1263 #endif
1264                 rc = 0;
1265                 goto rel;
1266         }
1267 #endif
1268
1269         if( rs->sr_ref == NULL ) {
1270 #ifdef NEW_LOGGING
1271                 LDAP_LOG( OPERATION, ERR,
1272                         "send_search_reference: conn %lu null ref in (%s).\n",
1273                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1274 #else
1275                 Debug( LDAP_DEBUG_ANY,
1276                         "send_search_reference: null ref in (%s)\n",
1277                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1278 #endif
1279                 rc = 1;
1280                 goto rel;
1281         }
1282
1283         if( op->o_protocol < LDAP_VERSION3 ) {
1284                 /* save the references for the result */
1285                 if( rs->sr_ref[0].bv_val != NULL ) {
1286                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1287                                 return LDAP_OTHER;
1288                 }
1289                 rc = 0;
1290                 goto rel;
1291         }
1292
1293 #ifdef LDAP_CONNECTIONLESS
1294         if (op->o_conn && op->o_conn->c_is_udp)
1295                 ber = op->o_res_ber;
1296         else
1297 #endif
1298         {
1299                 ber_init_w_nullc( ber, LBER_USE_DER );
1300                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1301         }
1302
1303         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1304                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1305
1306         if( rc != -1 && rs->sr_ctrls != NULL ) {
1307                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1308         }
1309
1310         if( rc != -1 ) {
1311                 rc = ber_printf( ber, /*"{"*/ "N}" );
1312         }
1313
1314         if ( rc == -1 ) {
1315 #ifdef NEW_LOGGING
1316                 LDAP_LOG( OPERATION, ERR,
1317                         "send_search_reference: conn %lu        "
1318                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1319 #else
1320                 Debug( LDAP_DEBUG_ANY,
1321                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1322 #endif
1323
1324 #ifdef LDAP_CONNECTIONLESS
1325                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1326 #endif
1327                 ber_free_buf( ber );
1328                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1329                 goto rel;
1330         }
1331
1332 #ifdef LDAP_CONNECTIONLESS
1333         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1334 #endif
1335         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1336         ber_free_buf( ber );
1337
1338         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1339         num_bytes_sent += bytes;
1340         num_refs_sent++;
1341         num_pdu_sent++;
1342         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1343 #ifdef LDAP_CONNECTIONLESS
1344         }
1345 #endif
1346
1347         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1348                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1349
1350 #ifdef NEW_LOGGING
1351         LDAP_LOG( OPERATION, ENTRY,
1352                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1353 #else
1354         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1355 #endif
1356
1357 rel:
1358         sl_release( mark, op->o_tmpmemctx );
1359         return rc;
1360 }
1361
1362 int
1363 str2result(
1364     char        *s,
1365     int         *code,
1366     char        **matched,
1367     char        **info
1368 )
1369 {
1370         int     rc;
1371         char    *c;
1372
1373         *code = LDAP_SUCCESS;
1374         *matched = NULL;
1375         *info = NULL;
1376
1377         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1378 #ifdef NEW_LOGGING
1379                 LDAP_LOG( OPERATION, INFO,
1380                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1381 #else
1382                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1383                     s, 0, 0 );
1384 #endif
1385
1386                 return( -1 );
1387         }
1388
1389         rc = 0;
1390         while ( (s = strchr( s, '\n' )) != NULL ) {
1391                 *s++ = '\0';
1392                 if ( *s == '\0' ) {
1393                         break;
1394                 }
1395                 if ( (c = strchr( s, ':' )) != NULL ) {
1396                         c++;
1397                 }
1398
1399                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1400                         if ( c != NULL ) {
1401                                 *code = atoi( c );
1402                         }
1403                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1404                         if ( c != NULL ) {
1405                                 *matched = c;
1406                         }
1407                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1408                         if ( c != NULL ) {
1409                                 *info = c;
1410                         }
1411                 } else {
1412 #ifdef NEW_LOGGING
1413                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1414 #else
1415                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1416                             s, 0, 0 );
1417 #endif
1418
1419                         rc = -1;
1420                 }
1421         }
1422
1423         return( rc );
1424 }