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 1998-2000 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/signal.h>
  15 #include <ac/string.h>
  16 #include <ac/ctype.h>
  17 #include <ac/time.h>
  18 #include <ac/unistd.h>
  19
  20 #include "slap.h"
  21
  22 static char *v2ref( struct berval **ref, const char *text )
  23 {
  24         size_t len = 0, i = 0;
  25         char *v2;
  26
  27         if(ref == NULL) {
  28                 if (text) {
  29                         return ch_strdup(text);
  30                 } else {
  31                         return NULL;
  32                 }
  33         }
  34
  35         if ( text != NULL ) {
  36                 len = strlen( text );
  37                 if (text[len-1] != '\n') {
  38                     i = 1;
  39                 }
  40         }
  41
  42         v2 = ch_malloc( len+i+sizeof("Referral:") );
  43         if( text != NULL ) {
  44                 strcpy(v2, text);
  45                 if( i ) {
  46                         v2[len++] = '\n';
  47                 }
  48         }
  49         strcpy( v2+len, "Referral:" );
  50         len += sizeof("Referral:");
  51
  52         for( i=0; ref[i] != NULL; i++ ) {
  53                 v2 = ch_realloc( v2, len + ref[i]->bv_len + 1 );
  54                 v2[len-1] = '\n';
  55                 AC_MEMCPY(&v2[len], ref[i]->bv_val, ref[i]->bv_len );
  56                 len += ref[i]->bv_len;
  57                 if (ref[i]->bv_val[ref[i]->bv_len-1] != '/') {
  58                         ++len;
  59                 }
  60         }
  61
  62         v2[len-1] = '\0';
  63         return v2;
  64 }
  65
  66 static ber_tag_t req2res( ber_tag_t tag )
  67 {
  68         switch( tag ) {
  69         case LDAP_REQ_ADD:
  70         case LDAP_REQ_BIND:
  71         case LDAP_REQ_COMPARE:
  72         case LDAP_REQ_EXTENDED:
  73         case LDAP_REQ_MODIFY:
  74         case LDAP_REQ_MODRDN:
  75                 tag++;
  76                 break;
  77
  78         case LDAP_REQ_DELETE:
  79                 tag = LDAP_RES_DELETE;
  80                 break;
  81
  82         case LDAP_REQ_ABANDON:
  83         case LDAP_REQ_UNBIND:
  84                 tag = LBER_SEQUENCE;
  85                 break;
  86
  87         case LDAP_REQ_SEARCH:
  88                 tag = LDAP_RES_SEARCH_RESULT;
  89                 break;
  90
  91         default:
  92                 tag = LBER_SEQUENCE;
  93         }
  94
  95         return tag;
  96 }
  97
  98 static long send_ldap_ber(
  99         Connection *conn,
 100         BerElement *ber )
 101 {
 102         ber_len_t bytes;
 103
 104         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 105
 106         /* write only one pdu at a time - wait til it's our turn */
 107         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 108
 109         /* lock the connection */
 110         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 111
 112         /* write the pdu */
 113         while( 1 ) {
 114                 int err;
 115                 ber_socket_t    sd;
 116
 117                 if ( connection_state_closing( conn ) ) {
 118                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 119                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 120
 121                         return 0;
 122                 }
 123
 124                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 125                         break;
 126                 }
 127
 128                 err = errno;
 129
 130                 /*
 131                  * we got an error.  if it's ewouldblock, we need to
 132                  * wait on the socket being writable.  otherwise, figure
 133                  * it's a hard error and return.
 134                  */
 135
 136 #ifdef NEW_LOGGING
 137                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 138                            "send_ldap_ber: conn %d  ber_flush failed err=%d (%s)\n",
 139                            conn ? conn->c_connid : 0, err, sock_errstr(err) ));
 140 #else
 141                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 142                     err, sock_errstr(err), 0 );
 143 #endif
 144
 145
 146                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 147                         connection_closing( conn );
 148
 149                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 150                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 151
 152                         return( -1 );
 153                 }
 154
 155                 /* wait for socket to be write-ready */
 156                 conn->c_writewaiter = 1;
 157                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 158                 slapd_set_write( sd, 1 );
 159
 160                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 161                 conn->c_writewaiter = 0;
 162         }
 163
 164         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 165         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 166
 167         return bytes;
 168 }
 169
 170 static void
 171 send_ldap_response(
 172     Connection  *conn,
 173     Operation   *op,
 174         ber_tag_t       tag,
 175         ber_int_t       msgid,
 176     ber_int_t   err,
 177     const char  *matched,
 178     const char  *text,
 179         struct berval   **ref,
 180         const char      *resoid,
 181         struct berval   *resdata,
 182         struct berval   *sasldata,
 183         LDAPControl **ctrls
 184 )
 185 {
 186         BerElement      *ber;
 187         int             rc;
 188         long    bytes;
 189
 190         assert( ctrls == NULL ); /* ctrls not implemented */
 191
 192         if (op->o_response)
 193                 return op->o_response( conn, op, tag, msgid, err, matched,
 194                         text, ref, resoid, resdata, sasldata, ctrls);
 195
 196         ber = ber_alloc_t( LBER_USE_DER );
 197
 198 #ifdef NEW_LOGGING
 199         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 200                    "send_ldap_response: conn %d  msgid=%ld tag=%ld err=%ld\n",
 201                    conn ? conn->c_connid : 0, (long)msgid, (long)tag, (long)err ));
 202 #else
 203         Debug( LDAP_DEBUG_TRACE,
 204                 "send_ldap_response: msgid=%ld tag=%ld err=%ld\n",
 205                 (long) msgid, (long) tag, (long) err );
 206 #endif
 207
 208
 209         if( ref ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 212                            "send_ldap_response: conn %d  ref=\"%s\"\n",
 213                            conn ? conn->c_connid : 0,
 214                            ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL" ));
 215 #else
 216                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 217                         ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL",
 218                         NULL, NULL );
 219 #endif
 220
 221         }
 222
 223         if ( ber == NULL ) {
 224 #ifdef NEW_LOGGING
 225                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 226                            "send_ldap_response: conn %d  ber_alloc failed\n",
 227                            conn ? conn->c_connid : 0 ));
 228 #else
 229                 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
 230 #endif
 231
 232                 return;
 233         }
 234
 235 #ifdef LDAP_CONNECTIONLESS
 236         if (conn->c_is_udp) {
 237             rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
 238             if (rc != sizeof(struct sockaddr)) {
 239 #ifdef NEW_LOGGING
 240                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 241                            "send_ldap_response: conn %d  ber_write failed\n",
 242                            conn ? conn->c_connid : 0 ));
 243 #else
 244                 Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
 245 #endif
 246                 ber_free(ber, 1);
 247                 return;
 248             }
 249         }
 250         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 251             rc = ber_printf( ber, "{is{t{ess",
 252                 msgid, "", tag, err,
 253                 matched == NULL ? "" : matched,
 254                 text == NULL ? "" : text );
 255         } else
 256 #endif
 257         {
 258             rc = ber_printf( ber, "{it{ess",
 259                 msgid, tag, err,
 260                 matched == NULL ? "" : matched,
 261                 text == NULL ? "" : text );
 262         }
 263
 264         if( rc != -1 ) {
 265                 if ( ref != NULL ) {
 266                         assert( err == LDAP_REFERRAL );
 267                         rc = ber_printf( ber, "t{V}",
 268                                 LDAP_TAG_REFERRAL, ref );
 269                 } else {
 270                         assert( err != LDAP_REFERRAL );
 271                 }
 272         }
 273
 274         if( rc != -1 && sasldata != NULL ) {
 275                 rc = ber_printf( ber, "tO",
 276                         LDAP_TAG_SASL_RES_CREDS, sasldata );
 277         }
 278
 279         if( rc != -1 && resoid != NULL ) {
 280                 rc = ber_printf( ber, "ts",
 281                         LDAP_TAG_EXOP_RES_OID, resoid );
 282         }
 283
 284         if( rc != -1 && resdata != NULL ) {
 285                 rc = ber_printf( ber, "tO",
 286                         LDAP_TAG_EXOP_RES_VALUE, resdata );
 287         }
 288
 289         if( rc != -1 ) {
 290                 rc = ber_printf( ber, "N}N}" );
 291         }
 292 #ifdef LDAP_CONNECTIONLESS
 293         if( conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 294                 rc = ber_printf( ber, "N}" );
 295         }
 296 #endif
 297
 298         if ( rc == -1 ) {
 299 #ifdef NEW_LOGGING
 300                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 301                            "send_ldap_response: conn %d  ber_printf failed\n",
 302                            conn ? conn->c_connid : 0 ));
 303 #else
 304                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 305 #endif
 306
 307                 ber_free( ber, 1 );
 308                 return;
 309         }
 310
 311         /* send BER */
 312         bytes = send_ldap_ber( conn, ber );
 313         ber_free( ber, 1 );
 314
 315         if ( bytes < 0 ) {
 316 #ifdef NEW_LOGGING
 317                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 318                            "send_ldap_response: conn %d ber write failed\n",
 319                            conn ? conn->c_connid : 0 ));
 320 #else
 321                 Debug( LDAP_DEBUG_ANY,
 322                         "send_ldap_response: ber write failed\n",
 323                         0, 0, 0 );
 324 #endif
 325
 326                 return;
 327         }
 328
 329         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 330         num_bytes_sent += bytes;
 331         num_pdu_sent++;
 332         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 333         return;
 334 }
 335
 336
 337 void
 338 send_ldap_disconnect(
 339     Connection  *conn,
 340     Operation   *op,
 341     ber_int_t   err,
 342     const char  *text
 343 )
 344 {
 345         ber_tag_t tag;
 346         ber_int_t msgid;
 347         char *reqoid;
 348
 349 #define LDAP_UNSOLICITED_ERROR(e) \
 350         (  (e) == LDAP_PROTOCOL_ERROR \
 351         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 352         || (e) == LDAP_UNAVAILABLE )
 353
 354         assert( LDAP_UNSOLICITED_ERROR( err ) );
 355
 356 #ifdef NEW_LOGGING
 357         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 358                    "send_ldap_disconnect: conn %d  %d:%s\n",
 359                    conn ? conn->c_connid : 0, err, text ? text : "" ));
 360 #else
 361         Debug( LDAP_DEBUG_TRACE,
 362                 "send_ldap_disconnect %d:%s\n",
 363                 err, text ? text : "", NULL );
 364 #endif
 365
 366
 367         if ( op->o_protocol < LDAP_VERSION3 ) {
 368                 reqoid = NULL;
 369                 tag = req2res( op->o_tag );
 370                 msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 371
 372         } else {
 373                 reqoid = LDAP_NOTICE_DISCONNECT;
 374                 tag = LDAP_RES_EXTENDED;
 375                 msgid = 0;
 376         }
 377
 378         send_ldap_response( conn, op, tag, msgid,
 379                 err, NULL, text, NULL,
 380                 reqoid, NULL, NULL, NULL );
 381
 382         Statslog( LDAP_DEBUG_STATS,
 383             "conn=%ld op=%ld DISCONNECT tag=%lu err=%ld text=%s\n",
 384                 (long) op->o_connid, (long) op->o_opid,
 385                 (unsigned long) tag, (long) err, text ? text : "" );
 386 }
 387
 388 void
 389 send_ldap_result(
 390     Connection  *conn,
 391     Operation   *op,
 392     ber_int_t   err,
 393     const char  *matched,
 394     const char  *text,
 395         struct berval **ref,
 396         LDAPControl **ctrls
 397 )
 398 {
 399         ber_tag_t tag;
 400         ber_int_t msgid;
 401         char *tmp = NULL;
 402
 403         assert( !LDAP_API_ERROR( err ) );
 404
 405 #ifdef NEW_LOGGING
 406         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 407                    "send_ldap_result : conn %ld   op=%ld p=%d\n",
 408                    (long)op->o_connid, (long)op->o_opid, op->o_protocol ));
 409 #else
 410         Debug( LDAP_DEBUG_TRACE,
 411                 "send_ldap_result: conn=%ld op=%ld p=%d\n",
 412                 (long) op->o_connid, (long) op->o_opid, op->o_protocol );
 413 #endif
 414
 415 #ifdef NEW_LOGGING
 416         LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 417                    "send_ldap_result: conn=%ld err=%d matched=\"%s\" text=\"%s\"\n",
 418                    (long)op->o_connid, err, matched ? matched : "", text ? text : "" ));
 419 #else
 420         Debug( LDAP_DEBUG_ARGS,
 421                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 422                 err, matched ?  matched : "", text ? text : "" );
 423 #endif
 424
 425
 426         if( ref ) {
 427 #ifdef NEW_LOGGING
 428                 LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 429                         "send_ldap_result: referral=\"%s\"\n",
 430                         ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL" ));
 431 #else
 432                 Debug( LDAP_DEBUG_ARGS,
 433                         "send_ldap_result: referral=\"%s\"\n",
 434                         ref[0] && ref[0]->bv_val ? ref[0]->bv_val : "NULL",
 435                         NULL, NULL );
 436 #endif
 437         }
 438
 439         assert( err != LDAP_PARTIAL_RESULTS );
 440
 441         if ( err == LDAP_REFERRAL ) {
 442                 if( ref == NULL ) {
 443                         err = LDAP_NO_SUCH_OBJECT;
 444                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 445                         err = LDAP_PARTIAL_RESULTS;
 446                 }
 447         }
 448
 449         if ( op->o_protocol < LDAP_VERSION3 ) {
 450                 tmp = v2ref( ref, text );
 451                 text = tmp;
 452                 ref = NULL;
 453         }
 454
 455         tag = req2res( op->o_tag );
 456         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 457
 458         send_ldap_response( conn, op, tag, msgid,
 459                 err, matched, text, ref,
 460                 NULL, NULL, NULL, ctrls );
 461
 462         Statslog( LDAP_DEBUG_STATS,
 463             "conn=%ld op=%ld RESULT tag=%lu err=%ld text=%s\n",
 464                 (long) op->o_connid, (long) op->o_opid,
 465                 (unsigned long) tag, (long) err, text ? text : "" );
 466
 467         if( tmp != NULL ) {
 468                 ch_free(tmp);
 469         }
 470 }
 471
 472 void
 473 send_ldap_sasl(
 474     Connection  *conn,
 475     Operation   *op,
 476     ber_int_t   err,
 477     const char  *matched,
 478     const char  *text,
 479         struct berval **ref,
 480         LDAPControl **ctrls,
 481         struct berval *cred
 482 )
 483 {
 484         ber_tag_t tag;
 485         ber_int_t msgid;
 486
 487 #ifdef NEW_LOGGING
 488         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 489                    "send_ldap_sasl: conn %d err=%ld len=%ld\n",
 490                    op->o_connid, (long)err, cred ? cred->bv_len : -1 ));
 491 #else
 492         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%ld len=%ld\n",
 493                 (long) err, cred ? cred->bv_len : -1, NULL );
 494 #endif
 495
 496
 497         tag = req2res( op->o_tag );
 498         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 499
 500         send_ldap_response( conn, op, tag, msgid,
 501                 err, matched, text, ref,
 502                 NULL, NULL, cred, ctrls  );
 503 }
 504
 505 void
 506 send_ldap_extended(
 507     Connection  *conn,
 508     Operation   *op,
 509     ber_int_t   err,
 510     const char  *matched,
 511     const char  *text,
 512     struct berval **refs,
 513     const char          *rspoid,
 514         struct berval *rspdata,
 515         LDAPControl **ctrls
 516 )
 517 {
 518         ber_tag_t tag;
 519         ber_int_t msgid;
 520
 521 #ifdef NEW_LOGGING
 522         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 523                    "send_ldap_extended: conn %d  err=%ld oid=%s len=%ld\n",
 524                    op->o_connid, (long)err, rspoid ? rspoid : "",
 525                    rspdata != NULL ? (long)rspdata->bv_len : (long)0 ));
 526 #else
 527         Debug( LDAP_DEBUG_TRACE,
 528                 "send_ldap_extended err=%ld oid=%s len=%ld\n",
 529                 (long) err,
 530                 rspoid ? rspoid : "",
 531                 rspdata != NULL ? (long) rspdata->bv_len : (long) 0 );
 532 #endif
 533
 534
 535         tag = req2res( op->o_tag );
 536         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 537
 538         send_ldap_response( conn, op, tag, msgid,
 539                 err, matched, text, refs,
 540                 rspoid, rspdata, NULL, ctrls );
 541 }
 542
 543
 544 void
 545 send_search_result(
 546     Connection  *conn,
 547     Operation   *op,
 548     ber_int_t   err,
 549     const char  *matched,
 550         const char      *text,
 551     struct berval **refs,
 552         LDAPControl **ctrls,
 553     int         nentries
 554 )
 555 {
 556         ber_tag_t tag;
 557         ber_int_t msgid;
 558         char *tmp = NULL;
 559         assert( !LDAP_API_ERROR( err ) );
 560
 561         if (op->o_sresult)
 562                 return op->o_sresult(conn, op, err, matched, text, refs,
 563                         ctrls, nentries);
 564
 565 #ifdef NEW_LOGGING
 566         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 567                    "send_search_result: conn %d err=%d matched=\"%s\"\n",
 568                    op->o_connid, err, matched ? matched : "",
 569                    text ? text : "" ));
 570 #else
 571         Debug( LDAP_DEBUG_TRACE,
 572                 "send_search_result: err=%d matched=\"%s\" text=\"%s\"\n",
 573                 err, matched ?  matched : "", text ? text : "" );
 574 #endif
 575
 576
 577         assert( err != LDAP_PARTIAL_RESULTS );
 578
 579         if( op->o_protocol < LDAP_VERSION3 ) {
 580                 /* send references in search results */
 581                 if( err == LDAP_REFERRAL ) {
 582                         err = LDAP_PARTIAL_RESULTS;
 583                 }
 584
 585                 tmp = v2ref( refs, text );
 586                 text = tmp;
 587                 refs = NULL;
 588
 589         } else {
 590                 /* don't send references in search results */
 591                 assert( refs == NULL );
 592                 refs = NULL;
 593
 594                 if( err == LDAP_REFERRAL ) {
 595                         err = LDAP_SUCCESS;
 596                 }
 597         }
 598
 599         tag = req2res( op->o_tag );
 600         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 601
 602         send_ldap_response( conn, op, tag, msgid,
 603                 err, matched, text, refs,
 604                 NULL, NULL, NULL, ctrls );
 605
 606         Statslog( LDAP_DEBUG_STATS,
 607             "conn=%ld op=%ld SEARCH RESULT tag=%lu err=%ld text=%s\n",
 608                 (long) op->o_connid, (long) op->o_opid,
 609                 (unsigned long) tag, (long) err, text ? text : "" );
 610
 611         if (tmp != NULL) {
 612             ch_free(tmp);
 613         }
 614 }
 615
 616
 617 int
 618 send_search_entry(
 619     Backend     *be,
 620     Connection  *conn,
 621     Operation   *op,
 622     Entry       *e,
 623     char        **attrs,
 624     int         attrsonly,
 625         LDAPControl **ctrls
 626 )
 627 {
 628         BerElement      *ber;
 629         Attribute       *a, *aa;
 630         int             i, rc=-1, bytes;
 631         char            *edn;
 632         int             userattrs;
 633         int             opattrs;
 634
 635         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 636
 637 #ifdef NEW_LOGGING
 638         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 639                    "send_search_entry: conn %d  dn=\"%s\"%s\n",
 640                    op->o_connid, e->e_dn,
 641                    attrsonly ? " (attrsOnly)" : "" ));
 642 #else
 643         Debug( LDAP_DEBUG_TRACE,
 644                 "=> send_search_entry: dn=\"%s\"%s\n",
 645                 e->e_dn, attrsonly ? " (attrsOnly)" : "", 0 );
 646 #endif
 647
 648
 649         if ( ! access_allowed( be, conn, op, e,
 650                 ad_entry, NULL, ACL_READ ) )
 651         {
 652 #ifdef NEW_LOGGING
 653                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 654                            "send_search_entry: conn %d access to entry (%s) not allowed\n",
 655                            op->o_connid, e->e_dn ));
 656 #else
 657                 Debug( LDAP_DEBUG_ACL,
 658                         "send_search_entry: access to entry not allowed\n",
 659                     0, 0, 0 );
 660 #endif
 661
 662                 return( 1 );
 663         }
 664
 665         edn = e->e_ndn;
 666
 667         ber = ber_alloc_t( LBER_USE_DER );
 668
 669         if ( ber == NULL ) {
 670 #ifdef NEW_LOGGING
 671                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 672                            "send_search_entry: conn %d  ber_alloc failed\n",
 673                            op->o_connid ));
 674 #else
 675                 Debug( LDAP_DEBUG_ANY, "ber_alloc failed\n", 0, 0, 0 );
 676 #endif
 677
 678                 send_ldap_result( conn, op, LDAP_OTHER,
 679                         NULL, "BER allocation error", NULL, NULL );
 680                 goto error_return;
 681         }
 682
 683 #ifdef LDAP_CONNECTIONLESS
 684         if (conn->c_is_udp) {
 685             rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
 686             if (rc != sizeof(struct sockaddr)) {
 687 #ifdef NEW_LOGGING
 688                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 689                            "send_search_entry: conn %d  ber_printf failed\n",
 690                            conn ? conn->c_connid : 0 ));
 691 #else
 692                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 693 #endif
 694                 ber_free(ber, 1);
 695                 return;
 696             }
 697         }
 698         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 699             rc = ber_printf( ber, "{is{t{s{" /*}}}*/,
 700                 op->o_msgid, "", LDAP_RES_SEARCH_ENTRY, e->e_dn );
 701         } else
 702 #endif
 703         {
 704             rc = ber_printf( ber, "{it{s{" /*}}}*/, op->o_msgid,
 705                 LDAP_RES_SEARCH_ENTRY, e->e_dn );
 706         }
 707
 708         if ( rc == -1 ) {
 709 #ifdef NEW_LOGGING
 710                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 711                            "send_search_entry: conn %d  ber_printf failed\n",
 712                            op->o_connid ));
 713 #else
 714                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 715 #endif
 716
 717                 ber_free( ber, 1 );
 718                 send_ldap_result( conn, op, LDAP_OTHER,
 719                     NULL, "encoding DN error", NULL, NULL );
 720                 goto error_return;
 721         }
 722
 723         /* check for special all user attributes ("*") type */
 724         userattrs = ( attrs == NULL ) ? 1
 725                 : charray_inlist( attrs, LDAP_ALL_USER_ATTRIBUTES );
 726
 727         /* check for special all operational attributes ("+") type */
 728         opattrs = ( attrs == NULL ) ? 0
 729                 : charray_inlist( attrs, LDAP_ALL_OPERATIONAL_ATTRIBUTES );
 730
 731         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 732                 AttributeDescription *desc = a->a_desc;
 733                 char *type = desc->ad_cname.bv_val;
 734
 735                 if ( attrs == NULL ) {
 736                         /* all addrs request, skip operational attributes */
 737                         if( is_at_operational( desc->ad_type ) ) {
 738                                 continue;
 739                         }
 740
 741                 } else {
 742                         /* specific addrs requested */
 743                         if ( is_at_operational( desc->ad_type ) ) {
 744                                 if( !opattrs && !ad_inlist( desc, attrs ) ) {
 745                                         continue;
 746                                 }
 747
 748                         } else {
 749                                 if (!userattrs && !ad_inlist( desc, attrs ) ) {
 750                                         continue;
 751                                 }
 752                         }
 753                 }
 754
 755                 if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ ) ) {
 756 #ifdef NEW_LOGGING
 757                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 758                                    "send_search_entry: conn %d  access to attribute %s not allowed\n",
 759                                    op->o_connid, desc->ad_cname.bv_val ));
 760 #else
 761                         Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
 762                             desc->ad_cname.bv_val, 0, 0 );
 763 #endif
 764
 765                         continue;
 766                 }
 767
 768                 if (( rc = ber_printf( ber, "{s[" /*]}*/ , type )) == -1 ) {
 769 #ifdef NEW_LOGGING
 770                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 771                                    "send_search_entry: conn %d  ber_printf failed\n",
 772                                    op->o_connid ));
 773 #else
 774                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 775 #endif
 776
 777                         ber_free( ber, 1 );
 778                         send_ldap_result( conn, op, LDAP_OTHER,
 779                             NULL, "encoding description error", NULL, NULL );
 780                         goto error_return;
 781                 }
 782
 783                 if ( ! attrsonly ) {
 784                         for ( i = 0; a->a_vals[i] != NULL; i++ ) {
 785                                 if ( ! access_allowed( be, conn, op, e,
 786                                         desc, a->a_vals[i], ACL_READ ) )
 787                                 {
 788 #ifdef NEW_LOGGING
 789                                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 790                                                    "send_search_entry: conn %d  access to attribute %s, value %d not allowed\n",
 791                                                    op->o_connid, desc->ad_cname.bv_val, i ));
 792 #else
 793                                         Debug( LDAP_DEBUG_ACL,
 794                                                 "acl: access to attribute %s, value %d not allowed\n",
 795                                         desc->ad_cname.bv_val, i, 0 );
 796 #endif
 797
 798                                         continue;
 799                                 }
 800
 801                                 if (( rc = ber_printf( ber, "O", a->a_vals[i] )) == -1 ) {
 802 #ifdef NEW_LOGGING
 803                                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 804                                                    "send_search_entry: conn %d  ber_printf failed.\n",
 805                                                    op->o_connid ));
 806 #else
 807                                         Debug( LDAP_DEBUG_ANY,
 808                                             "ber_printf failed\n", 0, 0, 0 );
 809 #endif
 810
 811                                         ber_free( ber, 1 );
 812                                         send_ldap_result( conn, op, LDAP_OTHER,
 813                                                 NULL, "encoding values error", NULL, NULL );
 814                                         goto error_return;
 815                                 }
 816                         }
 817                 }
 818
 819                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 820 #ifdef NEW_LOGGING
 821                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 822                                    "send_search_entry: conn %d  ber_printf failed\n",
 823                                    op->o_connid ));
 824 #else
 825                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 826 #endif
 827
 828                         ber_free( ber, 1 );
 829                         send_ldap_result( conn, op, LDAP_OTHER,
 830                             NULL, "encode end error", NULL, NULL );
 831                         goto error_return;
 832                 }
 833         }
 834
 835         /* eventually will loop through generated operational attributes */
 836         /* only have subschemaSubentry implemented */
 837         aa = backend_operational( be, conn, op, e );
 838
 839         for (a = aa ; a != NULL; a = a->a_next ) {
 840                 AttributeDescription *desc = a->a_desc;
 841
 842                 if ( attrs == NULL ) {
 843                         /* all addrs request, skip operational attributes */
 844                         if( is_at_operational( desc->ad_type ) ) {
 845                                 continue;
 846                         }
 847
 848                 } else {
 849                         /* specific addrs requested */
 850                         if( is_at_operational( desc->ad_type ) ) {
 851                                 if( !opattrs && !ad_inlist( desc, attrs ) ) {
 852                                         continue;
 853                                 }
 854                         } else {
 855                                 if (!userattrs && !ad_inlist( desc, attrs ) )
 856                                 {
 857                                         continue;
 858                                 }
 859                         }
 860                 }
 861
 862                 if ( ! access_allowed( be, conn, op, e, desc, NULL, ACL_READ ) ) {
 863 #ifdef NEW_LOGGING
 864                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 865                                    "send_search_entry: conn %s  access to attribute %s not allowed\n",
 866                                    op->o_connid, desc->ad_cname.bv_val ));
 867 #else
 868                         Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
 869                             desc->ad_cname.bv_val, 0, 0 );
 870 #endif
 871
 872                         continue;
 873                 }
 874
 875                 rc = ber_printf( ber, "{s[" /*]}*/ , desc->ad_cname.bv_val );
 876                 if ( rc == -1 ) {
 877 #ifdef NEW_LOGGING
 878                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 879                                    "send_search_entry: conn %d  ber_printf failed\n",
 880                                    op->o_connid ));
 881 #else
 882                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 883 #endif
 884
 885                         ber_free( ber, 1 );
 886                         send_ldap_result( conn, op, LDAP_OTHER,
 887                             NULL, "encoding description error", NULL, NULL );
 888                         attrs_free( aa );
 889                         goto error_return;
 890                 }
 891
 892                 if ( ! attrsonly ) {
 893                         for ( i = 0; a->a_vals[i] != NULL; i++ ) {
 894                                 if ( ! access_allowed( be, conn, op, e,
 895                                         desc, a->a_vals[i], ACL_READ ) )
 896                                 {
 897 #ifdef NEW_LOGGING
 898                                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 899                                                    "send_search_entry: conn %d access to %s, value %d not allowed\n",
 900                                                    op->o_connid, desc->ad_cname.bv_val, i ));
 901 #else
 902                                         Debug( LDAP_DEBUG_ACL,
 903                                                 "acl: access to attribute %s, value %d not allowed\n",
 904                                         desc->ad_cname.bv_val, i, 0 );
 905 #endif
 906
 907                                         continue;
 908                                 }
 909
 910
 911                                 if (( rc = ber_printf( ber, "O", a->a_vals[i] )) == -1 ) {
 912 #ifdef NEW_LOGGING
 913                                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 914                                                    "send_search_entry: conn %d  ber_printf failed\n",
 915                                                    op->o_connid ));
 916 #else
 917                                         Debug( LDAP_DEBUG_ANY,
 918                                             "ber_printf failed\n", 0, 0, 0 );
 919 #endif
 920
 921                                         ber_free( ber, 1 );
 922                                         send_ldap_result( conn, op, LDAP_OTHER,
 923                                                 NULL, "encoding values error", NULL, NULL );
 924                                         attrs_free( aa );
 925                                         goto error_return;
 926                                 }
 927                         }
 928                 }
 929
 930                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 931 #ifdef NEW_LOGGING
 932                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 933                                    "send_search_entry: conn %d  ber_printf failed\n",
 934                                    op->o_connid ));
 935 #else
 936                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 937 #endif
 938
 939                         ber_free( ber, 1 );
 940                         send_ldap_result( conn, op, LDAP_OTHER,
 941                             NULL, "encode end error", NULL, NULL );
 942                         attrs_free( aa );
 943                         goto error_return;
 944                 }
 945         }
 946
 947         attrs_free( aa );
 948
 949         rc = ber_printf( ber, /*{{{*/ "}N}N}" );
 950
 951 #ifdef LDAP_CONNECTIONLESS
 952         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1)
 953                 rc = ber_printf( ber, "}" );
 954 #endif
 955         if ( rc == -1 ) {
 956 #ifdef NEW_LOGGING
 957                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 958                            "send_search_entry: conn %d ber_printf failed\n",
 959                            op->o_connid ));
 960 #else
 961                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 962 #endif
 963
 964                 ber_free( ber, 1 );
 965                 send_ldap_result( conn, op, LDAP_OTHER,
 966                         NULL, "encode entry end error", NULL, NULL );
 967                 return( 1 );
 968         }
 969
 970         bytes = send_ldap_ber( conn, ber );
 971         ber_free( ber, 1 );
 972
 973         if ( bytes < 0 ) {
 974 #ifdef NEW_LOGGING
 975                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 976                            "send_ldap_response: conn %d  ber write failed.\n",
 977                            op->o_connid ));
 978 #else
 979                 Debug( LDAP_DEBUG_ANY,
 980                         "send_ldap_response: ber write failed\n",
 981                         0, 0, 0 );
 982 #endif
 983
 984                 return -1;
 985         }
 986
 987         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 988         num_bytes_sent += bytes;
 989         num_entries_sent++;
 990         num_pdu_sent++;
 991         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 992
 993         Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld ENTRY dn=\"%s\"\n",
 994             (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
 995
 996 #ifdef NEW_LOGGING
 997         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 998                    "send_search_entry: conn %d exit.\n",
 999                    op->o_connid ));
1000 #else
1001         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1002 #endif
1003
1004
1005         rc = 0;
1006
1007 error_return:;
1008         return( rc );
1009 }
1010
1011 int
1012 send_search_reference(
1013     Backend     *be,
1014     Connection  *conn,
1015     Operation   *op,
1016     Entry       *e,
1017         struct berval **refs,
1018         LDAPControl **ctrls,
1019     struct berval ***v2refs
1020 )
1021 {
1022         BerElement      *ber;
1023         int rc;
1024         int bytes;
1025
1026         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1027         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1028
1029 #ifdef NEW_LOGGING
1030         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1031                 "send_search_reference: conn %d  dn=\"%s\"\n",
1032                 op->o_connid, e->e_dn ));
1033 #else
1034         Debug( LDAP_DEBUG_TRACE,
1035                 "=> send_search_reference: dn=\"%s\"\n",
1036                 e->e_dn, 0, 0 );
1037 #endif
1038
1039
1040         if ( ! access_allowed( be, conn, op, e,
1041                 ad_entry, NULL, ACL_READ ) )
1042         {
1043 #ifdef NEW_LOGGING
1044                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1045                         "send_search_reference: conn %d access to entry %s not allowed\n",
1046                         op->o_connid, e->e_dn ));
1047 #else
1048                 Debug( LDAP_DEBUG_ACL,
1049                         "send_search_reference: access to entry not allowed\n",
1050                     0, 0, 0 );
1051 #endif
1052
1053                 return( 1 );
1054         }
1055
1056         if ( ! access_allowed( be, conn, op, e,
1057                 ad_ref, NULL, ACL_READ ) )
1058         {
1059 #ifdef NEW_LOGGING
1060                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1061                         "send_search_reference: conn %d access to reference not allowed.\n",
1062                         op->o_connid ));
1063 #else
1064                 Debug( LDAP_DEBUG_ACL,
1065                         "send_search_reference: access to reference not allowed\n",
1066                     0, 0, 0 );
1067 #endif
1068
1069                 return( 1 );
1070         }
1071
1072         if( refs == NULL ) {
1073 #ifdef NEW_LOGGING
1074                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1075                         "send_search_reference: null ref in (%s).\n",
1076                         op->o_connid, e->e_dn ));
1077 #else
1078                 Debug( LDAP_DEBUG_ANY,
1079                         "send_search_reference: null ref in (%s)\n",
1080                         e->e_dn, 0, 0 );
1081 #endif
1082
1083                 return( 1 );
1084         }
1085
1086         if( op->o_protocol < LDAP_VERSION3 ) {
1087                 /* save the references for the result */
1088                 if( *refs != NULL ) {
1089                         value_add( v2refs, refs );
1090                 }
1091                 return 0;
1092         }
1093
1094         ber = ber_alloc_t( LBER_USE_DER );
1095
1096         if ( ber == NULL ) {
1097 #ifdef NEW_LOGGING
1098                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1099                         "send_search_reference: conn %d ber_alloc failed\n",
1100                         op->o_connid ));
1101 #else
1102                 Debug( LDAP_DEBUG_ANY,
1103                         "send_search_reference: ber_alloc failed\n", 0, 0, 0 );
1104 #endif
1105
1106                 send_ldap_result( conn, op, LDAP_OTHER,
1107                         NULL, "alloc BER error", NULL, NULL );
1108                 return -1;
1109         }
1110
1111         rc = ber_printf( ber, "{it{V}N}", op->o_msgid,
1112                 LDAP_RES_SEARCH_REFERENCE, refs );
1113
1114         if ( rc == -1 ) {
1115 #ifdef NEW_LOGGING
1116                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1117                         "send_search_reference: conn %d ber_printf failed.\n",
1118                         op->o_connid ));
1119 #else
1120                 Debug( LDAP_DEBUG_ANY,
1121                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1122 #endif
1123
1124                 ber_free( ber, 1 );
1125                 send_ldap_result( conn, op, LDAP_OTHER,
1126                         NULL, "encode DN error", NULL, NULL );
1127                 return -1;
1128         }
1129
1130         bytes = send_ldap_ber( conn, ber );
1131         ber_free( ber, 1 );
1132
1133         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1134         num_bytes_sent += bytes;
1135         num_refs_sent++;
1136         num_pdu_sent++;
1137         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1138
1139         Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld REF dn=\"%s\"\n",
1140                 (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
1141
1142 #ifdef NEW_LOGGING
1143         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1144                 "send_search_reference: conn %d exit.\n", op->o_connid ));
1145 #else
1146         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1147 #endif
1148
1149         return 0;
1150 }
1151
1152
1153 int
1154 str2result(
1155     char        *s,
1156     int         *code,
1157     char        **matched,
1158     char        **info
1159 )
1160 {
1161         int     rc;
1162         char    *c;
1163
1164         *code = LDAP_SUCCESS;
1165         *matched = NULL;
1166         *info = NULL;
1167
1168         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1169 #ifdef NEW_LOGGING
1170                 LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
1171                            "str2result: (%s), expecting \"RESULT\"\n", s ));
1172 #else
1173                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1174                     s, 0, 0 );
1175 #endif
1176
1177
1178                 return( -1 );
1179         }
1180
1181         rc = 0;
1182         while ( (s = strchr( s, '\n' )) != NULL ) {
1183                 *s++ = '\0';
1184                 if ( *s == '\0' ) {
1185                         break;
1186                 }
1187                 if ( (c = strchr( s, ':' )) != NULL ) {
1188                         c++;
1189                 }
1190
1191                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1192                         if ( c != NULL ) {
1193                                 *code = atoi( c );
1194                         }
1195                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1196                         if ( c != NULL ) {
1197                                 *matched = c;
1198                         }
1199                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1200                         if ( c != NULL ) {
1201                                 *info = c;
1202                         }
1203                 } else {
1204 #ifdef NEW_LOGGING
1205                         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
1206                                    "str2result: (%s) unknown.\n", s ));
1207 #else
1208                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1209                             s, 0, 0 );
1210 #endif
1211
1212                         rc = -1;
1213                 }
1214         }
1215
1216         return( rc );
1217 }