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

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