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         BerElementBuffer berbuf;
 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         if ( op->o_pb ) {
 375                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 376                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 377                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 378         }
 379 #endif /* LDAP_SLAPI */
 380
 381         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 382         num_bytes_sent += bytes;
 383         num_pdu_sent++;
 384         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 385         return;
 386 }
 387
 388
 389 void
 390 send_ldap_disconnect( Operation *op, SlapReply *rs )
 391 {
 392 #define LDAP_UNSOLICITED_ERROR(e) \
 393         (  (e) == LDAP_PROTOCOL_ERROR \
 394         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 395         || (e) == LDAP_UNAVAILABLE )
 396
 397         assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 398
 399         rs->sr_type = REP_EXTENDED;
 400
 401 #ifdef NEW_LOGGING
 402         LDAP_LOG( OPERATION, ENTRY,
 403                 "send_ldap_disconnect: conn %lu  %d:%s\n",
 404                 op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 405 #else
 406         Debug( LDAP_DEBUG_TRACE,
 407                 "send_ldap_disconnect %d:%s\n",
 408                 rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
 409 #endif
 410
 411
 412         if ( op->o_protocol < LDAP_VERSION3 ) {
 413                 rs->sr_rspoid = NULL;
 414                 rs->sr_tag = req2res( op->o_tag );
 415                 rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 416
 417         } else {
 418                 rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
 419                 rs->sr_tag = LDAP_RES_EXTENDED;
 420                 rs->sr_msgid = 0;
 421         }
 422
 423         send_ldap_response( op, rs );
 424
 425         Statslog( LDAP_DEBUG_STATS,
 426             "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
 427                 op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 428 }
 429
 430 void
 431 slap_send_ldap_result( Operation *op, SlapReply *rs )
 432 {
 433         char *tmp = NULL;
 434         const char *otext = rs->sr_text;
 435         BerVarray oref = rs->sr_ref;
 436
 437         rs->sr_type = REP_RESULT;
 438
 439         assert( !LDAP_API_ERROR( rs->sr_err ) && ( rs->sr_err >= 0 ));
 440
 441 #ifdef NEW_LOGGING
 442         LDAP_LOG( OPERATION, ENTRY,
 443                 "send_ldap_result: conn %lu op=%lu p=%d\n",
 444                 op->o_connid, op->o_opid, op->o_protocol );
 445 #else
 446         Debug( LDAP_DEBUG_TRACE,
 447                 "send_ldap_result: conn=%lu op=%lu p=%d\n",
 448                 op->o_connid, op->o_opid, op->o_protocol );
 449 #endif
 450
 451 #ifdef NEW_LOGGING
 452         LDAP_LOG( OPERATION, ARGS,
 453                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 454                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 455                 rs->sr_text ? rs->sr_text : "" );
 456 #else
 457         Debug( LDAP_DEBUG_ARGS,
 458                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 459                 rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
 460                 rs->sr_text ? rs->sr_text : "" );
 461 #endif
 462
 463
 464         if( rs->sr_ref ) {
 465 #ifdef NEW_LOGGING
 466                 LDAP_LOG( OPERATION, ARGS,
 467                         "send_ldap_result: referral=\"%s\"\n",
 468                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
 469 #else
 470                 Debug( LDAP_DEBUG_ARGS,
 471                         "send_ldap_result: referral=\"%s\"\n",
 472                         rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
 473                         NULL, NULL );
 474 #endif
 475         }
 476
 477         assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 478
 479         if ( rs->sr_err == LDAP_REFERRAL ) {
 480 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 481                 if( op->o_domain_scope ) {
 482                         rs->sr_ref = NULL;
 483                 }
 484 #endif
 485                 if( rs->sr_ref == NULL ) {
 486                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 487                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 488                         rs->sr_err = LDAP_PARTIAL_RESULTS;
 489                 }
 490         }
 491
 492 #ifdef LDAP_SLAPI
 493         /*
 494          * Call pre-result plugins. To avoid infinite recursion plugins
 495          * should just set SLAPI_RESULT_CODE rather than sending a
 496          * result if they wish to change the result.
 497          */
 498         if ( op->o_pb ) {
 499                 slapi_x_pblock_set_operation( op->o_pb, op );
 500                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
 501                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
 502                 slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED, (void *)rs->sr_matched );
 503
 504                 (void) doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN, op->o_pb );
 505         }
 506 #endif /* LDAP_SLAPI */
 507
 508         if ( op->o_protocol < LDAP_VERSION3 ) {
 509                 tmp = v2ref( rs->sr_ref, rs->sr_text );
 510                 rs->sr_text = tmp;
 511                 rs->sr_ref = NULL;
 512         }
 513
 514         rs->sr_tag = req2res( op->o_tag );
 515         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 516
 517         send_ldap_response( op, rs );
 518
 519         if ( op->o_tag == LDAP_REQ_SEARCH ) {
 520                 char nbuf[64];
 521                 snprintf( nbuf, sizeof nbuf, "%d nentries=%d",
 522                         rs->sr_err, rs->sr_nentries );
 523
 524                 Statslog( LDAP_DEBUG_STATS,
 525                 "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
 526                         op->o_connid, op->o_opid, rs->sr_tag, nbuf,
 527                         rs->sr_text ? rs->sr_text : "" );
 528         } else {
 529                 Statslog( LDAP_DEBUG_STATS,
 530                         "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
 531                         op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
 532                         rs->sr_text ? rs->sr_text : "" );
 533         }
 534
 535         if( tmp != NULL ) ch_free(tmp);
 536         rs->sr_text = otext;
 537         rs->sr_ref = oref;
 538 }
 539
 540 void
 541 send_ldap_sasl( Operation *op, SlapReply *rs )
 542 {
 543         rs->sr_type = REP_SASL;
 544 #ifdef NEW_LOGGING
 545         LDAP_LOG( OPERATION, ENTRY,
 546                 "send_ldap_sasl: conn %lu err=%d len=%lu\n",
 547                 op->o_connid, rs->sr_err,
 548                 rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
 549 #else
 550         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
 551                 rs->sr_err,
 552                 rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
 553 #endif
 554
 555         rs->sr_tag = req2res( op->o_tag );
 556         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 557
 558         send_ldap_response( op, rs );
 559 }
 560
 561 void
 562 slap_send_ldap_extended( Operation *op, SlapReply *rs )
 563 {
 564         rs->sr_type = REP_EXTENDED;
 565
 566 #ifdef NEW_LOGGING
 567         LDAP_LOG( OPERATION, ENTRY,
 568                 "send_ldap_extended: 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_extended: 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
 579         rs->sr_tag = req2res( op->o_tag );
 580         rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 581
 582         send_ldap_response( op, rs );
 583 }
 584
 585 void
 586 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 587 {
 588         rs->sr_type = REP_INTERMEDIATE;
 589 #ifdef NEW_LOGGING
 590         LDAP_LOG( OPERATION, ENTRY,
 591                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 592                 rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
 593                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 594 #else
 595         Debug( LDAP_DEBUG_TRACE,
 596                 "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
 597                 rs->sr_err,
 598                 rs->sr_rspoid ? rs->sr_rspoid : "",
 599                 rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
 600 #endif
 601         rs->sr_tag = LDAP_RES_INTERMEDIATE;
 602         rs->sr_msgid = op->o_msgid;
 603         send_ldap_response( op, rs );
 604 }
 605
 606 int
 607 slap_send_search_entry( Operation *op, SlapReply *rs )
 608 {
 609         BerElementBuffer berbuf;
 610         BerElement      *ber = (BerElement *) &berbuf;
 611         Attribute       *a, *aa;
 612         int             i, j, rc=-1, bytes;
 613         char            *edn;
 614         int             userattrs;
 615         int             opattrs;
 616         AccessControlState acl_state = ACL_STATE_INIT;
 617 #ifdef LDAP_SLAPI
 618         /* Support for computed attribute plugins */
 619         computed_attr_context    ctx;
 620         AttributeName   *anp;
 621 #endif
 622         void            *mark = NULL;
 623
 624         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 625
 626         /* a_flags: array of flags telling if the i-th element will be
 627          *          returned or filtered out
 628          * e_flags: array of a_flags
 629          */
 630         char **e_flags = NULL;
 631
 632         rs->sr_type = REP_SEARCH;
 633         if (op->o_callback && op->o_callback->sc_response) {
 634                 rc = op->o_callback->sc_response( op, rs );
 635                 if ( rc != SLAP_CB_CONTINUE ) return rc;
 636         }
 637
 638 #ifdef NEW_LOGGING
 639         LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu        dn=\"%s\"%s\n",
 640                 op->o_connid, rs->sr_entry->e_name.bv_val,
 641                 op->ors_attrsonly ? " (attrsOnly)" : "" );
 642 #else
 643         Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: dn=\"%s\"%s\n",
 644                 rs->sr_entry->e_name.bv_val,
 645                 op->ors_attrsonly ? " (attrsOnly)" : "", 0 );
 646 #endif
 647
 648         mark = sl_mark( op->o_tmpmemctx );
 649
 650         if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
 651 #ifdef NEW_LOGGING
 652                 LDAP_LOG( ACL, INFO,
 653                         "send_search_entry: conn %lu access to entry (%s) not allowed\n",
 654                         op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
 655 #else
 656                 Debug( LDAP_DEBUG_ACL,
 657                         "send_search_entry: access to entry not allowed\n",
 658                     0, 0, 0 );
 659 #endif
 660
 661                 sl_release( mark, op->o_tmpmemctx );
 662                 return( 1 );
 663         }
 664
 665         edn = rs->sr_entry->e_nname.bv_val;
 666
 667         if ( op->o_res_ber ) {
 668                 /* read back control or LDAP_CONNECTIONLESS */
 669             ber = op->o_res_ber;
 670         } else {
 671                 ber_len_t       siz, len;
 672                 struct berval   bv;
 673
 674                 entry_flatsize( rs->sr_entry, &siz, &len, 0 );
 675                 bv.bv_len = siz + len;
 676                 bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
 677
 678                 ber_init2( ber, &bv, LBER_USE_DER );
 679                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 680         }
 681
 682 #ifdef LDAP_CONNECTIONLESS
 683         if ( op->o_conn && op->o_conn->c_is_udp ) {
 684                 /* CONNECTIONLESS */
 685                 if ( op->o_protocol == LDAP_VERSION2 ) {
 686                 rc = ber_printf(ber, "t{O{" /*}}*/,
 687                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 688                 } else {
 689                 rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 690                                 LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 691                 }
 692         } else
 693 #endif
 694         if ( op->o_res_ber ) {
 695                 /* read back control */
 696             rc = ber_printf( ber, "{O{" /*}}*/, &rs->sr_entry->e_name );
 697         } else {
 698             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 699                         LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
 700         }
 701
 702         if ( rc == -1 ) {
 703 #ifdef NEW_LOGGING
 704                 LDAP_LOG( OPERATION, ERR,
 705                         "send_search_entry: conn %lu  ber_printf failed\n",
 706                         op->o_connid, 0, 0 );
 707 #else
 708                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 709 #endif
 710
 711                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 712                 send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
 713                 goto error_return;
 714         }
 715
 716         /* check for special all user attributes ("*") type */
 717         userattrs = ( rs->sr_attrs == NULL ) ? 1
 718                 : an_find( rs->sr_attrs, &AllUser );
 719
 720         /* check for special all operational attributes ("+") type */
 721         opattrs = ( rs->sr_attrs == NULL ) ? 0
 722                 : an_find( rs->sr_attrs, &AllOper );
 723
 724         /* create an array of arrays of flags. Each flag corresponds
 725          * to particular value of attribute and equals 1 if value matches
 726          * to ValuesReturnFilter or 0 if not
 727          */
 728         if ( op->o_vrFilter != NULL ) {
 729                 int     k = 0;
 730                 size_t  size;
 731
 732                 for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
 733                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 734                 }
 735
 736                 size = i * sizeof(char *) + k;
 737                 if ( size > 0 ) {
 738                         char    *a_flags;
 739                         e_flags = sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
 740                         if( e_flags == NULL ) {
 741 #ifdef NEW_LOGGING
 742                                 LDAP_LOG( OPERATION, ERR,
 743                                         "send_search_entry: conn %lu sl_calloc failed\n",
 744                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 745 #else
 746                         Debug( LDAP_DEBUG_ANY,
 747                                         "send_search_entry: sl_calloc failed\n", 0, 0, 0 );
 748 #endif
 749                                 ber_free( ber, 1 );
 750
 751                                 send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
 752                                 goto error_return;
 753                         }
 754                         a_flags = (char *)(e_flags + i);
 755                         memset( a_flags, 0, k );
 756                         for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
 757                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 758                                 e_flags[i] = a_flags;
 759                                 a_flags += j;
 760                         }
 761
 762                         rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
 763                         if ( rc == -1 ) {
 764 #ifdef NEW_LOGGING
 765                                 LDAP_LOG( OPERATION, ERR, "send_search_entry: "
 766                                         "conn %lu matched values filtering failed\n",
 767                                         op->o_connid ? op->o_connid : 0, 0, 0 );
 768 #else
 769                         Debug( LDAP_DEBUG_ANY,
 770                                         "matched values filtering failed\n", 0, 0, 0 );
 771 #endif
 772                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 773                                 send_ldap_error( op, rs, LDAP_OTHER,
 774                                         "matched values filtering error" );
 775                                 goto error_return;
 776                         }
 777                 }
 778         }
 779
 780         for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
 781                 AttributeDescription *desc = a->a_desc;
 782
 783                 if ( rs->sr_attrs == NULL ) {
 784                         /* all attrs request, skip operational attributes */
 785                         if( is_at_operational( desc->ad_type ) ) {
 786                                 continue;
 787                         }
 788
 789                 } else {
 790                         /* specific attrs requested */
 791                         if ( is_at_operational( desc->ad_type ) ) {
 792                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 793                                         continue;
 794                                 }
 795
 796                         } else {
 797                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 798                                         continue;
 799                                 }
 800                         }
 801                 }
 802
 803                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 804                         ACL_READ, &acl_state ) )
 805                 {
 806 #ifdef NEW_LOGGING
 807                         LDAP_LOG( ACL, INFO,
 808                                 "send_search_entry: conn %lu  access to attribute %s not "
 809                                 "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
 810 #else
 811                         Debug( LDAP_DEBUG_ACL, "acl: "
 812                                 "access to attribute %s not allowed\n",
 813                             desc->ad_cname.bv_val, 0, 0 );
 814 #endif
 815                         continue;
 816                 }
 817
 818                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 819 #ifdef NEW_LOGGING
 820                         LDAP_LOG( OPERATION, ERR,
 821                                 "send_search_entry: conn %lu  ber_printf failed\n",
 822                                 op->o_connid, 0, 0 );
 823 #else
 824                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 825 #endif
 826
 827                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 828                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error");
 829                         goto error_return;
 830                 }
 831
 832                 if ( ! op->ors_attrsonly ) {
 833                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 834                                 if ( ! access_allowed( op, rs->sr_entry,
 835                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 836                                 {
 837 #ifdef NEW_LOGGING
 838                                         LDAP_LOG( ACL, INFO,
 839                                                 "send_search_entry: conn %lu "
 840                                                 "access to attribute %s, value %d not allowed\n",
 841                                                 op->o_connid, desc->ad_cname.bv_val, i );
 842 #else
 843                                         Debug( LDAP_DEBUG_ACL,
 844                                                 "acl: access to attribute %s, "
 845                                                 "value %d not allowed\n",
 846                                                 desc->ad_cname.bv_val, i, 0 );
 847 #endif
 848
 849                                         continue;
 850                                 }
 851
 852                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
 853                                         continue;
 854                                 }
 855
 856                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 857 #ifdef NEW_LOGGING
 858                                         LDAP_LOG( OPERATION, ERR,
 859                                                 "send_search_entry: conn %lu  "
 860                                                 "ber_printf failed.\n", op->o_connid, 0, 0 );
 861 #else
 862                                         Debug( LDAP_DEBUG_ANY,
 863                                             "ber_printf failed\n", 0, 0, 0 );
 864 #endif
 865
 866                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 867                                         send_ldap_error( op, rs, LDAP_OTHER,
 868                                                 "encoding values error" );
 869                                         goto error_return;
 870                                 }
 871                         }
 872                 }
 873
 874                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 875 #ifdef NEW_LOGGING
 876                         LDAP_LOG( OPERATION, ERR,
 877                                 "send_search_entry: conn %lu ber_printf failed\n",
 878                                 op->o_connid, 0, 0 );
 879 #else
 880                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 881 #endif
 882
 883                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 884                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
 885                         goto error_return;
 886                 }
 887         }
 888
 889         /* eventually will loop through generated operational attributes */
 890         /* only have subschemaSubentry and numSubordinates are implemented */
 891         aa = backend_operational( op, rs, opattrs );
 892
 893         if ( aa != NULL && op->o_vrFilter != NULL ) {
 894                 int     k = 0;
 895                 size_t  size;
 896
 897                 for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 898                         for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
 899                 }
 900
 901                 size = i * sizeof(char *) + k;
 902                 if ( size > 0 ) {
 903                         char    *a_flags, **tmp;
 904
 905                         /*
 906                          * Reuse previous memory - we likely need less space
 907                          * for operational attributes
 908                          */
 909                         tmp = sl_realloc( e_flags, i * sizeof(char *) + k,
 910                                 op->o_tmpmemctx );
 911                         if ( tmp == NULL ) {
 912 #ifdef NEW_LOGGING
 913                                 LDAP_LOG( OPERATION, ERR,
 914                                         "send_search_entry: conn %lu "
 915                                         "not enough memory "
 916                                         "for matched values filtering\n",
 917                                         op->o_connid, 0, 0);
 918 #else
 919                                 Debug( LDAP_DEBUG_ANY,
 920                                         "send_search_entry: conn %lu "
 921                                         "not enough memory "
 922                                         "for matched values filtering\n",
 923                                         op->o_connid, 0, 0 );
 924 #endif
 925                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 926                                 send_ldap_error( op, rs, LDAP_OTHER,
 927                                         "not enough memory for matched values filtering" );
 928                                 goto error_return;
 929                         }
 930                         e_flags = tmp;
 931                         a_flags = (char *)(e_flags + i);
 932                         memset( a_flags, 0, k );
 933                         for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
 934                                 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
 935                                 e_flags[i] = a_flags;
 936                                 a_flags += j;
 937                         }
 938                         rc = filter_matched_values(op, aa, &e_flags) ;
 939
 940                         if ( rc == -1 ) {
 941 #ifdef NEW_LOGGING
 942                                 LDAP_LOG( OPERATION, ERR,
 943                                         "send_search_entry: conn %lu "
 944                                         "matched values filtering failed\n",
 945                                         op->o_connid ? op->o_connid : 0, 0, 0);
 946 #else
 947                                 Debug( LDAP_DEBUG_ANY,
 948                                         "matched values filtering failed\n", 0, 0, 0 );
 949 #endif
 950                                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
 951                                 send_ldap_error( op, rs, LDAP_OTHER,
 952                                         "matched values filtering error" );
 953                                 goto error_return;
 954                         }
 955                 }
 956         }
 957
 958         for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
 959                 AttributeDescription *desc = a->a_desc;
 960
 961                 if ( rs->sr_attrs == NULL ) {
 962                         /* all attrs request, skip operational attributes */
 963                         if( is_at_operational( desc->ad_type ) ) {
 964                                 continue;
 965                         }
 966
 967                 } else {
 968                         /* specific attrs requested */
 969                         if( is_at_operational( desc->ad_type ) ) {
 970                                 if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 971                                         continue;
 972                                 }
 973                         } else {
 974                                 if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
 975                                         continue;
 976                                 }
 977                         }
 978                 }
 979
 980                 if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
 981                         ACL_READ, &acl_state ) )
 982                 {
 983 #ifdef NEW_LOGGING
 984                         LDAP_LOG( ACL, INFO,
 985                                 "send_search_entry: conn %lu "
 986                                 "access to attribute %s not allowed\n",
 987                                 op->o_connid, desc->ad_cname.bv_val, 0 );
 988 #else
 989                         Debug( LDAP_DEBUG_ACL, "send_search_entry: access to attribute %s "
 990                                 "not allowed\n", desc->ad_cname.bv_val, 0, 0 );
 991 #endif
 992
 993                         continue;
 994                 }
 995
 996                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
 997                 if ( rc == -1 ) {
 998 #ifdef NEW_LOGGING
 999                         LDAP_LOG( OPERATION, ERR,
1000                                 "send_search_entry: conn %lu  "
1001                                 "ber_printf failed\n", op->o_connid, 0, 0 );
1002 #else
1003                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1004 #endif
1005
1006                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1007                         send_ldap_error( op, rs, LDAP_OTHER, "encoding description error" );
1008                         attrs_free( aa );
1009                         goto error_return;
1010                 }
1011
1012                 if ( ! op->ors_attrsonly ) {
1013                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
1014                                 if ( ! access_allowed( op, rs->sr_entry,
1015                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
1016                                 {
1017 #ifdef NEW_LOGGING
1018                                         LDAP_LOG( ACL, INFO,
1019                                                 "send_search_entry: conn %lu "
1020                                                 "access to %s, value %d not allowed\n",
1021                                                 op->o_connid, desc->ad_cname.bv_val, i );
1022 #else
1023                                         Debug( LDAP_DEBUG_ACL,
1024                                                 "send_search_entry: access to attribute %s, "
1025                                                 "value %d not allowed\n",
1026                                                 desc->ad_cname.bv_val, i, 0 );
1027 #endif
1028
1029                                         continue;
1030                                 }
1031
1032                                 if ( op->o_vrFilter && e_flags[j][i] == 0 ){
1033                                         continue;
1034                                 }
1035
1036                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
1037 #ifdef NEW_LOGGING
1038                                         LDAP_LOG( OPERATION, ERR,
1039                                                 "send_search_entry: conn %lu  ber_printf failed\n",
1040                                                 op->o_connid, 0, 0 );
1041 #else
1042                                         Debug( LDAP_DEBUG_ANY,
1043                                             "ber_printf failed\n", 0, 0, 0 );
1044 #endif
1045
1046                                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1047                                         send_ldap_error( op, rs, LDAP_OTHER,
1048                                                 "encoding values error" );
1049                                         attrs_free( aa );
1050                                         goto error_return;
1051                                 }
1052                         }
1053                 }
1054
1055                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
1056 #ifdef NEW_LOGGING
1057                         LDAP_LOG( OPERATION, ERR,
1058                                 "send_search_entry: conn %lu  ber_printf failed\n",
1059                                 op->o_connid, 0, 0 );
1060 #else
1061                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1062 #endif
1063
1064                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1065                         send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
1066                         attrs_free( aa );
1067                         goto error_return;
1068                 }
1069         }
1070
1071 #ifdef LDAP_SLAPI
1072         /*
1073          * First, setup the computed attribute context that is
1074          * passed to all plugins.
1075          */
1076         if ( op->o_pb ) {
1077                 ctx.cac_pb = op->o_pb;
1078                 ctx.cac_attrs = rs->sr_attrs;
1079                 ctx.cac_attrsonly = op->ors_attrsonly;
1080                 ctx.cac_userattrs = userattrs;
1081                 ctx.cac_opattrs = opattrs;
1082                 ctx.cac_acl_state = acl_state;
1083                 ctx.cac_private = (void *)ber;
1084
1085                 /*
1086                  * For each client requested attribute, call the plugins.
1087                  */
1088                 if ( rs->sr_attrs != NULL ) {
1089                         for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
1090                                 rc = compute_evaluator( &ctx, anp->an_name.bv_val,
1091                                         rs->sr_entry, slapi_x_compute_output_ber );
1092                                 if ( rc == 1 ) {
1093                                         break;
1094                                 }
1095                         }
1096                 } else {
1097                         /*
1098                          * Technically we shouldn't be returning operational attributes
1099                          * when the user requested only user attributes. We'll let the
1100                          * plugin decide whether to be naughty or not.
1101                          */
1102                         rc = compute_evaluator( &ctx, "*",
1103                                 rs->sr_entry, slapi_x_compute_output_ber );
1104                 }
1105                 if ( rc == 1 ) {
1106                         if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1107                         send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
1108                         goto error_return;
1109                 }
1110         }
1111 #endif /* LDAP_SLAPI */
1112
1113         /* free e_flags */
1114         if ( e_flags ) {
1115                 sl_free( e_flags, op->o_tmpmemctx );
1116                 e_flags = NULL;
1117         }
1118
1119         attrs_free( aa );
1120         rc = ber_printf( ber, /*{{*/ "}N}" );
1121
1122         if( rc != -1 && rs->sr_ctrls != NULL ) {
1123                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1124         }
1125
1126         if( rc != -1 ) {
1127 #ifdef LDAP_CONNECTIONLESS
1128                 if( op->o_conn && op->o_conn->c_is_udp ) {
1129                         if ( op->o_protocol != LDAP_VERSION2 ) {
1130                                 rc = ber_printf( ber, /*{*/ "N}" );
1131                         }
1132                 } else
1133 #endif
1134                 if ( op->o_res_ber == NULL ) {
1135                         rc = ber_printf( ber, /*{*/ "N}" );
1136                 }
1137         }
1138
1139         if ( rc == -1 ) {
1140 #ifdef NEW_LOGGING
1141                 LDAP_LOG( OPERATION, ERR,
1142                         "send_search_entry: conn %lu ber_printf failed\n",
1143                         op->o_connid, 0, 0 );
1144 #else
1145                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
1146 #endif
1147
1148                 if ( op->o_res_ber == NULL ) ber_free_buf( ber );
1149                 send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
1150                 sl_release( mark, op->o_tmpmemctx );
1151                 return( 1 );
1152         }
1153
1154         if ( op->o_res_ber == NULL ) {
1155                 bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1156                 ber_free_buf( ber );
1157
1158                 if ( bytes < 0 ) {
1159 #ifdef NEW_LOGGING
1160                         LDAP_LOG( OPERATION, ERR,
1161                                 "send_search_entry: conn %lu  ber write failed.\n",
1162                                 op->o_connid, 0, 0 );
1163 #else
1164                         Debug( LDAP_DEBUG_ANY,
1165                                 "send_search_entry: ber write failed\n",
1166                                 0, 0, 0 );
1167 #endif
1168
1169                         sl_release( mark, op->o_tmpmemctx );
1170                         return -1;
1171                 }
1172                 rs->sr_nentries++;
1173
1174                 ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1175                 num_bytes_sent += bytes;
1176                 num_entries_sent++;
1177                 num_pdu_sent++;
1178                 ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1179         }
1180
1181         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
1182             op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
1183
1184 #ifdef NEW_LOGGING
1185         LDAP_LOG( OPERATION, ENTRY,
1186                 "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
1187 #else
1188         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1189 #endif
1190
1191         rc = 0;
1192
1193 error_return:;
1194         sl_release( mark, op->o_tmpmemctx );
1195         if ( e_flags ) sl_free( e_flags, op->o_tmpmemctx );
1196         return( rc );
1197 }
1198
1199 int
1200 slap_send_search_reference( Operation *op, SlapReply *rs )
1201 {
1202         BerElementBuffer berbuf;
1203         BerElement      *ber = (BerElement *) &berbuf;
1204         int rc = 0;
1205         int bytes;
1206         void *mark;
1207
1208         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1209         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1210
1211         rs->sr_type = REP_SEARCHREF;
1212         if (op->o_callback && op->o_callback->sc_response) {
1213                 rc = op->o_callback->sc_response( op, rs );
1214                 if ( rc != SLAP_CB_CONTINUE ) return rc;
1215         }
1216
1217         mark = sl_mark( op->o_tmpmemctx );
1218
1219 #ifdef NEW_LOGGING
1220         LDAP_LOG( OPERATION, ENTRY,
1221                 "send_search_reference: conn %lu  dn=\"%s\"\n",
1222                 op->o_connid,
1223                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
1224 #else
1225         Debug( LDAP_DEBUG_TRACE,
1226                 "=> send_search_reference: dn=\"%s\"\n",
1227                 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
1228 #endif
1229
1230         if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1231                 ad_entry, NULL, ACL_READ, NULL ) )
1232         {
1233 #ifdef NEW_LOGGING
1234                 LDAP_LOG( ACL, INFO,
1235                         "send_search_reference: conn %lu        "
1236                         "access to entry %s not allowed\n",
1237                         op->o_connid, rs->sr_entry->e_dn, 0 );
1238 #else
1239                 Debug( LDAP_DEBUG_ACL,
1240                         "send_search_reference: access to entry not allowed\n",
1241                     0, 0, 0 );
1242 #endif
1243                 rc = 1;
1244                 goto rel;
1245         }
1246
1247         if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
1248                 ad_ref, NULL, ACL_READ, NULL ) )
1249         {
1250 #ifdef NEW_LOGGING
1251                 LDAP_LOG( ACL, INFO,
1252                         "send_search_reference: conn %lu access "
1253                         "to reference not allowed.\n", op->o_connid, 0, 0 );
1254 #else
1255                 Debug( LDAP_DEBUG_ACL,
1256                         "send_search_reference: access "
1257                         "to reference not allowed\n",
1258                     0, 0, 0 );
1259 #endif
1260                 rc = 1;
1261                 goto rel;
1262         }
1263
1264 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
1265         if( op->o_domain_scope ) {
1266 #ifdef NEW_LOGGING
1267                 LDAP_LOG( OPERATION, ERR,
1268                         "send_search_reference: conn %lu domainScope control in (%s).\n",
1269                         op->o_connid, rs->sr_entry->e_dn, 0 );
1270 #else
1271                 Debug( LDAP_DEBUG_ANY,
1272                         "send_search_reference: domainScope control in (%s)\n",
1273                         rs->sr_entry->e_dn, 0, 0 );
1274 #endif
1275                 rc = 0;
1276                 goto rel;
1277         }
1278 #endif
1279
1280         if( rs->sr_ref == NULL ) {
1281 #ifdef NEW_LOGGING
1282                 LDAP_LOG( OPERATION, ERR,
1283                         "send_search_reference: conn %lu null ref in (%s).\n",
1284                         op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
1285 #else
1286                 Debug( LDAP_DEBUG_ANY,
1287                         "send_search_reference: null ref in (%s)\n",
1288                         rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1289 #endif
1290                 rc = 1;
1291                 goto rel;
1292         }
1293
1294         if( op->o_protocol < LDAP_VERSION3 ) {
1295                 /* save the references for the result */
1296                 if( rs->sr_ref[0].bv_val != NULL ) {
1297                         if( value_add( &rs->sr_v2ref, rs->sr_ref ) )
1298                                 return LDAP_OTHER;
1299                 }
1300                 rc = 0;
1301                 goto rel;
1302         }
1303
1304 #ifdef LDAP_CONNECTIONLESS
1305         if( op->o_conn && op->o_conn->c_is_udp ) {
1306                 ber = op->o_res_ber;
1307         } else
1308 #endif
1309         {
1310                 ber_init_w_nullc( ber, LBER_USE_DER );
1311                 ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1312         }
1313
1314         rc = ber_printf( ber, "{it{W}" /*"}"*/ , op->o_msgid,
1315                 LDAP_RES_SEARCH_REFERENCE, rs->sr_ref );
1316
1317         if( rc != -1 && rs->sr_ctrls != NULL ) {
1318                 rc = send_ldap_controls( ber, rs->sr_ctrls );
1319         }
1320
1321         if( rc != -1 ) {
1322                 rc = ber_printf( ber, /*"{"*/ "N}" );
1323         }
1324
1325         if ( rc == -1 ) {
1326 #ifdef NEW_LOGGING
1327                 LDAP_LOG( OPERATION, ERR,
1328                         "send_search_reference: conn %lu        "
1329                         "ber_printf failed.\n", op->o_connid, 0, 0 );
1330 #else
1331                 Debug( LDAP_DEBUG_ANY,
1332                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1333 #endif
1334
1335 #ifdef LDAP_CONNECTIONLESS
1336                 if (!op->o_conn || op->o_conn->c_is_udp == 0)
1337 #endif
1338                 ber_free_buf( ber );
1339                 send_ldap_error( op, rs, LDAP_OTHER, "encode DN error" );
1340                 goto rel;
1341         }
1342
1343 #ifdef LDAP_CONNECTIONLESS
1344         if (!op->o_conn || op->o_conn->c_is_udp == 0) {
1345 #endif
1346         bytes = op->o_noop ? 0 : send_ldap_ber( op->o_conn, ber );
1347         ber_free_buf( ber );
1348
1349         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1350         num_bytes_sent += bytes;
1351         num_refs_sent++;
1352         num_pdu_sent++;
1353         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1354 #ifdef LDAP_CONNECTIONLESS
1355         }
1356 #endif
1357
1358         Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
1359                 op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
1360
1361 #ifdef NEW_LOGGING
1362         LDAP_LOG( OPERATION, ENTRY,
1363                 "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
1364 #else
1365         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1366 #endif
1367
1368 rel:
1369         sl_release( mark, op->o_tmpmemctx );
1370         return rc;
1371 }
1372
1373 int
1374 str2result(
1375     char        *s,
1376     int         *code,
1377     char        **matched,
1378     char        **info
1379 )
1380 {
1381         int     rc;
1382         char    *c;
1383
1384         *code = LDAP_SUCCESS;
1385         *matched = NULL;
1386         *info = NULL;
1387
1388         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1389 #ifdef NEW_LOGGING
1390                 LDAP_LOG( OPERATION, INFO,
1391                         "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
1392 #else
1393                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1394                     s, 0, 0 );
1395 #endif
1396
1397                 return( -1 );
1398         }
1399
1400         rc = 0;
1401         while ( (s = strchr( s, '\n' )) != NULL ) {
1402                 *s++ = '\0';
1403                 if ( *s == '\0' ) {
1404                         break;
1405                 }
1406                 if ( (c = strchr( s, ':' )) != NULL ) {
1407                         c++;
1408                 }
1409
1410                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1411                         if ( c != NULL ) {
1412                                 *code = atoi( c );
1413                         }
1414                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1415                         if ( c != NULL ) {
1416                                 *matched = c;
1417                         }
1418                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1419                         if ( c != NULL ) {
1420                                 *info = c;
1421                         }
1422                 } else {
1423 #ifdef NEW_LOGGING
1424                         LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
1425 #else
1426                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1427                             s, 0, 0 );
1428 #endif
1429
1430                         rc = -1;
1431                 }
1432         }
1433
1434         return( rc );
1435 }
1436
1437 int slap_read_controls(
1438         Operation *op,
1439         SlapReply *rs,
1440         Entry *e,
1441         const struct berval *oid,
1442         LDAPControl **ctrl )
1443 {
1444         int rc;
1445         struct berval bv;
1446         BerElementBuffer berbuf;
1447         BerElement *ber = (BerElement *) &berbuf;
1448         LDAPControl c;
1449         ber_len_t       siz, len;
1450         Operation myop;
1451
1452 #ifdef NEW_LOGGING
1453         LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
1454                 oid->bv_val, e->e_dn, 0 );
1455 #else
1456         Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
1457                 oid->bv_val, e->e_dn, 0 );
1458 #endif
1459
1460         rs->sr_entry = e;
1461         rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
1462                 op->o_preread_attrs : op->o_postread_attrs;
1463
1464         entry_flatsize( rs->sr_entry, &siz, &len, 0 );
1465         bv.bv_len = siz + len;
1466         bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
1467
1468         ber_init2( ber, &bv, LBER_USE_DER );
1469         ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
1470
1471         /* create new operation */
1472         myop = *op;
1473         myop.o_bd = NULL;
1474         myop.o_res_ber = ber;
1475
1476         rc = slap_send_search_entry( &myop, rs );
1477         if( rc ) return rc;
1478
1479         rc = ber_flatten2( ber, &c.ldctl_value, 0 );
1480
1481         if( rc == LBER_ERROR ) return LDAP_OTHER;
1482
1483         c.ldctl_oid = oid->bv_val;
1484         c.ldctl_iscritical = 0;
1485
1486         *ctrl = sl_calloc( 1, sizeof(LDAPControl), NULL );
1487         **ctrl = c;
1488         return LDAP_SUCCESS;
1489 }