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 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/socket.h>
  13 #include <ac/errno.h>
  14 #include <ac/string.h>
  15 #include <ac/ctype.h>
  16 #include <ac/time.h>
  17 #include <ac/unistd.h>
  18
  19 #include "slap.h"
  20
  21 static char *v2ref( BerVarray ref, const char *text )
  22 {
  23         size_t len = 0, i = 0;
  24         char *v2;
  25
  26         if(ref == NULL) {
  27                 if (text) {
  28                         return ch_strdup(text);
  29                 } else {
  30                         return NULL;
  31                 }
  32         }
  33
  34         if ( text != NULL ) {
  35                 len = strlen( text );
  36                 if (text[len-1] != '\n') {
  37                     i = 1;
  38                 }
  39         }
  40
  41         v2 = ch_malloc( len+i+sizeof("Referral:") );
  42         if( text != NULL ) {
  43                 strcpy(v2, text);
  44                 if( i ) {
  45                         v2[len++] = '\n';
  46                 }
  47         }
  48         strcpy( v2+len, "Referral:" );
  49         len += sizeof("Referral:");
  50
  51         for( i=0; ref[i].bv_val != NULL; i++ ) {
  52                 v2 = ch_realloc( v2, len + ref[i].bv_len + 1 );
  53                 v2[len-1] = '\n';
  54                 AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
  55                 len += ref[i].bv_len;
  56                 if (ref[i].bv_val[ref[i].bv_len-1] != '/') {
  57                         ++len;
  58                 }
  59         }
  60
  61         v2[len-1] = '\0';
  62         return v2;
  63 }
  64
  65 static ber_tag_t req2res( ber_tag_t tag )
  66 {
  67         switch( tag ) {
  68         case LDAP_REQ_ADD:
  69         case LDAP_REQ_BIND:
  70         case LDAP_REQ_COMPARE:
  71         case LDAP_REQ_EXTENDED:
  72         case LDAP_REQ_MODIFY:
  73         case LDAP_REQ_MODRDN:
  74                 tag++;
  75                 break;
  76
  77         case LDAP_REQ_DELETE:
  78                 tag = LDAP_RES_DELETE;
  79                 break;
  80
  81         case LDAP_REQ_ABANDON:
  82         case LDAP_REQ_UNBIND:
  83                 tag = LBER_SEQUENCE;
  84                 break;
  85
  86         case LDAP_REQ_SEARCH:
  87                 tag = LDAP_RES_SEARCH_RESULT;
  88                 break;
  89
  90         default:
  91                 tag = LBER_SEQUENCE;
  92         }
  93
  94         return tag;
  95 }
  96
  97 static long send_ldap_ber(
  98         Connection *conn,
  99         BerElement *ber )
 100 {
 101         ber_len_t bytes;
 102
 103         ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 104
 105         /* write only one pdu at a time - wait til it's our turn */
 106         ldap_pvt_thread_mutex_lock( &conn->c_write_mutex );
 107
 108         /* lock the connection */
 109         ldap_pvt_thread_mutex_lock( &conn->c_mutex );
 110
 111         /* write the pdu */
 112         while( 1 ) {
 113                 int err;
 114                 ber_socket_t    sd;
 115
 116                 if ( connection_state_closing( conn ) ) {
 117                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 118                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 119
 120                         return 0;
 121                 }
 122
 123                 if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
 124                         break;
 125                 }
 126
 127                 err = errno;
 128
 129                 /*
 130                  * we got an error.  if it's ewouldblock, we need to
 131                  * wait on the socket being writable.  otherwise, figure
 132                  * it's a hard error and return.
 133                  */
 134
 135 #ifdef NEW_LOGGING
 136                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 137                            "send_ldap_ber: conn %d  ber_flush failed err=%d (%s)\n",
 138                            conn ? conn->c_connid : 0, err, sock_errstr(err) ));
 139 #else
 140                 Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
 141                     err, sock_errstr(err), 0 );
 142 #endif
 143
 144                 if ( err != EWOULDBLOCK && err != EAGAIN ) {
 145                         connection_closing( conn );
 146
 147                         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 148                         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 149
 150                         return( -1 );
 151                 }
 152
 153                 /* wait for socket to be write-ready */
 154                 conn->c_writewaiter = 1;
 155                 ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 156                 slapd_set_write( sd, 1 );
 157
 158                 ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
 159                 conn->c_writewaiter = 0;
 160         }
 161
 162         ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
 163         ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
 164
 165         return bytes;
 166 }
 167
 168 static void
 169 send_ldap_response(
 170     Connection  *conn,
 171     Operation   *op,
 172         ber_tag_t       tag,
 173         ber_int_t       msgid,
 174     ber_int_t   err,
 175     const char  *matched,
 176     const char  *text,
 177         BerVarray       ref,
 178         const char      *resoid,
 179         struct berval   *resdata,
 180         struct berval   *sasldata,
 181         LDAPControl **ctrls
 182 )
 183 {
 184         char berbuf[256];
 185         BerElement      *ber = (BerElement *)berbuf;
 186         int             rc;
 187         long    bytes;
 188
 189         if (op->o_callback && op->o_callback->sc_response) {
 190                 op->o_callback->sc_response( conn, op, tag, msgid, err, matched,
 191                         text, ref, resoid, resdata, sasldata, ctrls );
 192                 return;
 193         }
 194
 195         assert( ctrls == NULL ); /* ctrls not implemented */
 196
 197         ber_init_w_nullc( ber, LBER_USE_DER );
 198
 199 #ifdef NEW_LOGGING
 200         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 201                    "send_ldap_response: conn %d  msgid=%ld tag=%ld err=%ld\n",
 202                    conn ? conn->c_connid : 0, (long)msgid, (long)tag, (long)err ));
 203 #else
 204         Debug( LDAP_DEBUG_TRACE,
 205                 "send_ldap_response: msgid=%ld tag=%ld err=%ld\n",
 206                 (long) msgid, (long) tag, (long) err );
 207 #endif
 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].bv_val ? ref[0].bv_val : "NULL" ));
 215 #else
 216                 Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
 217                         ref[0].bv_val ? ref[0].bv_val : "NULL",
 218                         NULL, NULL );
 219 #endif
 220
 221         }
 222
 223 #ifdef LDAP_CONNECTIONLESS
 224         if (conn->c_is_udp) {
 225             rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
 226             if (rc != sizeof(struct sockaddr)) {
 227 #ifdef NEW_LOGGING
 228                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 229                            "send_ldap_response: conn %d  ber_write failed\n",
 230                            conn ? conn->c_connid : 0 ));
 231 #else
 232                 Debug( LDAP_DEBUG_ANY, "ber_write failed\n", 0, 0, 0 );
 233 #endif
 234                 ber_free_buf( ber );
 235                 return;
 236             }
 237         }
 238         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 239             rc = ber_printf( ber, "{is{t{ess",
 240                 msgid, "", tag, err,
 241                 matched == NULL ? "" : matched,
 242                 text == NULL ? "" : text );
 243         } else
 244 #endif
 245         {
 246             rc = ber_printf( ber, "{it{ess",
 247                 msgid, tag, err,
 248                 matched == NULL ? "" : matched,
 249                 text == NULL ? "" : text );
 250         }
 251
 252         if( rc != -1 ) {
 253                 if ( ref != NULL ) {
 254                         assert( err == LDAP_REFERRAL );
 255                         rc = ber_printf( ber, "t{W}",
 256                                 LDAP_TAG_REFERRAL, ref );
 257                 } else {
 258                         assert( err != LDAP_REFERRAL );
 259                 }
 260         }
 261
 262         if( rc != -1 && sasldata != NULL ) {
 263                 rc = ber_printf( ber, "tO",
 264                         LDAP_TAG_SASL_RES_CREDS, sasldata );
 265         }
 266
 267         if( rc != -1 && resoid != NULL ) {
 268                 rc = ber_printf( ber, "ts",
 269                         LDAP_TAG_EXOP_RES_OID, resoid );
 270         }
 271
 272         if( rc != -1 && resdata != NULL ) {
 273                 rc = ber_printf( ber, "tO",
 274                         LDAP_TAG_EXOP_RES_VALUE, resdata );
 275         }
 276
 277         if( rc != -1 ) {
 278                 rc = ber_printf( ber, "N}N}" );
 279         }
 280 #ifdef LDAP_CONNECTIONLESS
 281         if( conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1 ) {
 282                 rc = ber_printf( ber, "N}" );
 283         }
 284 #endif
 285
 286         if ( rc == -1 ) {
 287 #ifdef NEW_LOGGING
 288                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 289                            "send_ldap_response: conn %d  ber_printf failed\n",
 290                            conn ? conn->c_connid : 0 ));
 291 #else
 292                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 293 #endif
 294
 295                 ber_free_buf( ber );
 296                 return;
 297         }
 298
 299         /* send BER */
 300         bytes = send_ldap_ber( conn, ber );
 301         ber_free_buf( ber );
 302
 303         if ( bytes < 0 ) {
 304 #ifdef NEW_LOGGING
 305                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 306                            "send_ldap_response: conn %d ber write failed\n",
 307                            conn ? conn->c_connid : 0 ));
 308 #else
 309                 Debug( LDAP_DEBUG_ANY,
 310                         "send_ldap_response: ber write failed\n",
 311                         0, 0, 0 );
 312 #endif
 313
 314                 return;
 315         }
 316
 317         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 318         num_bytes_sent += bytes;
 319         num_pdu_sent++;
 320         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 321         return;
 322 }
 323
 324
 325 void
 326 send_ldap_disconnect(
 327     Connection  *conn,
 328     Operation   *op,
 329     ber_int_t   err,
 330     const char  *text
 331 )
 332 {
 333         ber_tag_t tag;
 334         ber_int_t msgid;
 335         char *reqoid;
 336
 337 #define LDAP_UNSOLICITED_ERROR(e) \
 338         (  (e) == LDAP_PROTOCOL_ERROR \
 339         || (e) == LDAP_STRONG_AUTH_REQUIRED \
 340         || (e) == LDAP_UNAVAILABLE )
 341
 342         assert( LDAP_UNSOLICITED_ERROR( err ) );
 343
 344 #ifdef NEW_LOGGING
 345         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 346                    "send_ldap_disconnect: conn %d  %d:%s\n",
 347                    conn ? conn->c_connid : 0, err, text ? text : "" ));
 348 #else
 349         Debug( LDAP_DEBUG_TRACE,
 350                 "send_ldap_disconnect %d:%s\n",
 351                 err, text ? text : "", NULL );
 352 #endif
 353
 354
 355         if ( op->o_protocol < LDAP_VERSION3 ) {
 356                 reqoid = NULL;
 357                 tag = req2res( op->o_tag );
 358                 msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 359
 360         } else {
 361                 reqoid = LDAP_NOTICE_DISCONNECT;
 362                 tag = LDAP_RES_EXTENDED;
 363                 msgid = 0;
 364         }
 365
 366         send_ldap_response( conn, op, tag, msgid,
 367                 err, NULL, text, NULL,
 368                 reqoid, NULL, NULL, NULL );
 369
 370         Statslog( LDAP_DEBUG_STATS,
 371             "conn=%ld op=%ld DISCONNECT tag=%lu err=%ld text=%s\n",
 372                 (long) op->o_connid, (long) op->o_opid,
 373                 (unsigned long) tag, (long) err, text ? text : "" );
 374 }
 375
 376 void
 377 send_ldap_result(
 378     Connection  *conn,
 379     Operation   *op,
 380     ber_int_t   err,
 381     const char  *matched,
 382     const char  *text,
 383         BerVarray ref,
 384         LDAPControl **ctrls
 385 )
 386 {
 387         ber_tag_t tag;
 388         ber_int_t msgid;
 389         char *tmp = NULL;
 390
 391         assert( !LDAP_API_ERROR( err ) );
 392
 393 #ifdef NEW_LOGGING
 394         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 395                    "send_ldap_result : conn %ld   op=%ld p=%d\n",
 396                    (long)op->o_connid, (long)op->o_opid, op->o_protocol ));
 397 #else
 398         Debug( LDAP_DEBUG_TRACE,
 399                 "send_ldap_result: conn=%ld op=%ld p=%d\n",
 400                 (long) op->o_connid, (long) op->o_opid, op->o_protocol );
 401 #endif
 402
 403 #ifdef NEW_LOGGING
 404         LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 405                    "send_ldap_result: conn=%ld err=%d matched=\"%s\" text=\"%s\"\n",
 406                    (long)op->o_connid, err, matched ? matched : "", text ? text : "" ));
 407 #else
 408         Debug( LDAP_DEBUG_ARGS,
 409                 "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
 410                 err, matched ?  matched : "", text ? text : "" );
 411 #endif
 412
 413
 414         if( ref ) {
 415 #ifdef NEW_LOGGING
 416                 LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
 417                         "send_ldap_result: referral=\"%s\"\n",
 418                         ref[0].bv_val ? ref[0].bv_val : "NULL" ));
 419 #else
 420                 Debug( LDAP_DEBUG_ARGS,
 421                         "send_ldap_result: referral=\"%s\"\n",
 422                         ref[0].bv_val ? ref[0].bv_val : "NULL",
 423                         NULL, NULL );
 424 #endif
 425         }
 426
 427         assert( err != LDAP_PARTIAL_RESULTS );
 428
 429         if ( err == LDAP_REFERRAL ) {
 430                 if( ref == NULL ) {
 431                         err = LDAP_NO_SUCH_OBJECT;
 432                 } else if ( op->o_protocol < LDAP_VERSION3 ) {
 433                         err = LDAP_PARTIAL_RESULTS;
 434                 }
 435         }
 436
 437         if ( op->o_protocol < LDAP_VERSION3 ) {
 438                 tmp = v2ref( ref, text );
 439                 text = tmp;
 440                 ref = NULL;
 441         }
 442
 443         tag = req2res( op->o_tag );
 444         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 445
 446         send_ldap_response( conn, op, tag, msgid,
 447                 err, matched, text, ref,
 448                 NULL, NULL, NULL, ctrls );
 449
 450         Statslog( LDAP_DEBUG_STATS,
 451             "conn=%ld op=%ld RESULT tag=%lu err=%ld text=%s\n",
 452                 (long) op->o_connid, (long) op->o_opid,
 453                 (unsigned long) tag, (long) err, text ? text : "" );
 454
 455         if( tmp != NULL ) {
 456                 ch_free(tmp);
 457         }
 458 }
 459
 460 void
 461 send_ldap_sasl(
 462     Connection  *conn,
 463     Operation   *op,
 464     ber_int_t   err,
 465     const char  *matched,
 466     const char  *text,
 467         BerVarray ref,
 468         LDAPControl **ctrls,
 469         struct berval *cred
 470 )
 471 {
 472         ber_tag_t tag;
 473         ber_int_t msgid;
 474
 475 #ifdef NEW_LOGGING
 476         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 477                    "send_ldap_sasl: conn %d err=%ld len=%ld\n",
 478                    op->o_connid, (long)err, cred ? cred->bv_len : -1 ));
 479 #else
 480         Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%ld len=%ld\n",
 481                 (long) err, cred ? cred->bv_len : -1, NULL );
 482 #endif
 483
 484
 485         tag = req2res( op->o_tag );
 486         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 487
 488         send_ldap_response( conn, op, tag, msgid,
 489                 err, matched, text, ref,
 490                 NULL, NULL, cred, ctrls  );
 491 }
 492
 493 void
 494 send_ldap_extended(
 495     Connection  *conn,
 496     Operation   *op,
 497     ber_int_t   err,
 498     const char  *matched,
 499     const char  *text,
 500     BerVarray   refs,
 501     const char          *rspoid,
 502         struct berval *rspdata,
 503         LDAPControl **ctrls
 504 )
 505 {
 506         ber_tag_t tag;
 507         ber_int_t msgid;
 508
 509 #ifdef NEW_LOGGING
 510         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 511                    "send_ldap_extended: conn %d  err=%ld oid=%s len=%ld\n",
 512                    op->o_connid, (long)err, rspoid ? rspoid : "",
 513                    rspdata != NULL ? (long)rspdata->bv_len : (long)0 ));
 514 #else
 515         Debug( LDAP_DEBUG_TRACE,
 516                 "send_ldap_extended err=%ld oid=%s len=%ld\n",
 517                 (long) err,
 518                 rspoid ? rspoid : "",
 519                 rspdata != NULL ? (long) rspdata->bv_len : (long) 0 );
 520 #endif
 521
 522
 523         tag = req2res( op->o_tag );
 524         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 525
 526         send_ldap_response( conn, op, tag, msgid,
 527                 err, matched, text, refs,
 528                 rspoid, rspdata, NULL, ctrls );
 529 }
 530
 531
 532 void
 533 send_search_result(
 534     Connection  *conn,
 535     Operation   *op,
 536     ber_int_t   err,
 537     const char  *matched,
 538         const char      *text,
 539     BerVarray   refs,
 540         LDAPControl **ctrls,
 541     int         nentries
 542 )
 543 {
 544         ber_tag_t tag;
 545         ber_int_t msgid;
 546         char *tmp = NULL;
 547
 548         assert( !LDAP_API_ERROR( err ) );
 549
 550         if (op->o_callback && op->o_callback->sc_sresult) {
 551                 op->o_callback->sc_sresult(conn, op, err, matched, text, refs,
 552                         ctrls, nentries);
 553                 return;
 554         }
 555
 556 #ifdef NEW_LOGGING
 557         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 558                    "send_search_result: conn %d err=%d matched=\"%s\"\n",
 559                    op->o_connid, err, matched ? matched : "",
 560                    text ? text : "" ));
 561 #else
 562         Debug( LDAP_DEBUG_TRACE,
 563                 "send_search_result: err=%d matched=\"%s\" text=\"%s\"\n",
 564                 err, matched ?  matched : "", text ? text : "" );
 565 #endif
 566
 567
 568         assert( err != LDAP_PARTIAL_RESULTS );
 569
 570         if( op->o_protocol < LDAP_VERSION3 ) {
 571                 /* send references in search results */
 572                 if( err == LDAP_REFERRAL ) {
 573                         err = LDAP_PARTIAL_RESULTS;
 574                 }
 575
 576                 tmp = v2ref( refs, text );
 577                 text = tmp;
 578                 refs = NULL;
 579
 580         } else {
 581                 /* don't send references in search results */
 582                 assert( refs == NULL );
 583                 refs = NULL;
 584
 585                 if( err == LDAP_REFERRAL ) {
 586                         err = LDAP_SUCCESS;
 587                 }
 588         }
 589
 590         tag = req2res( op->o_tag );
 591         msgid = (tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 592
 593         send_ldap_response( conn, op, tag, msgid,
 594                 err, matched, text, refs,
 595                 NULL, NULL, NULL, ctrls );
 596
 597         {
 598         char nbuf[64];
 599         sprintf( nbuf, "%ld nentries=%d", (long) err, nentries );
 600
 601         Statslog( LDAP_DEBUG_STATS,
 602             "conn=%ld op=%ld SEARCH RESULT tag=%lu err=%s text=%s\n",
 603                 (long) op->o_connid, (long) op->o_opid,
 604                 (unsigned long) tag, nbuf, text ? text : "" );
 605         }
 606
 607         if (tmp != NULL) {
 608             ch_free(tmp);
 609         }
 610 }
 611
 612 static struct berval AllUser = { sizeof(LDAP_ALL_USER_ATTRIBUTES)-1,
 613         LDAP_ALL_USER_ATTRIBUTES };
 614 static struct berval AllOper = { sizeof(LDAP_ALL_OPERATIONAL_ATTRIBUTES)-1,
 615         LDAP_ALL_OPERATIONAL_ATTRIBUTES };
 616
 617 int
 618 send_search_entry(
 619     Backend     *be,
 620     Connection  *conn,
 621     Operation   *op,
 622     Entry       *e,
 623     AttributeName       *attrs,
 624     int         attrsonly,
 625         LDAPControl **ctrls
 626 )
 627 {
 628         char            berbuf[256];
 629         BerElement      *ber = (BerElement *)berbuf;
 630         Attribute       *a, *aa;
 631         int             i, rc=-1, bytes;
 632         char            *edn;
 633         int             userattrs;
 634         int             opattrs;
 635         static AccessControlState acl_state_init = ACL_STATE_INIT;
 636         AccessControlState acl_state;
 637
 638         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 639
 640         if (op->o_callback && op->o_callback->sc_sendentry) {
 641                 return op->o_callback->sc_sendentry( be, conn, op, e, attrs,
 642                         attrsonly, ctrls );
 643         }
 644
 645 #ifdef NEW_LOGGING
 646         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
 647                    "send_search_entry: conn %d  dn=\"%s\"%s\n",
 648                    op->o_connid, e->e_dn,
 649                    attrsonly ? " (attrsOnly)" : "" ));
 650 #else
 651         Debug( LDAP_DEBUG_TRACE,
 652                 "=> send_search_entry: dn=\"%s\"%s\n",
 653                 e->e_dn, attrsonly ? " (attrsOnly)" : "", 0 );
 654 #endif
 655
 656         if ( ! access_allowed( be, conn, op, e,
 657                 ad_entry, NULL, ACL_READ, NULL ) )
 658         {
 659 #ifdef NEW_LOGGING
 660                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 661                            "send_search_entry: conn %d access to entry (%s) not allowed\n",
 662                            op->o_connid, e->e_dn ));
 663 #else
 664                 Debug( LDAP_DEBUG_ACL,
 665                         "send_search_entry: access to entry not allowed\n",
 666                     0, 0, 0 );
 667 #endif
 668
 669                 return( 1 );
 670         }
 671
 672         edn = e->e_ndn;
 673
 674         ber_init_w_nullc( ber, LBER_USE_DER );
 675
 676 #ifdef LDAP_CONNECTIONLESS
 677         if (conn->c_is_udp) {
 678             rc = ber_write(ber, (char *)&op->o_peeraddr, sizeof(struct sockaddr), 0);
 679             if (rc != sizeof(struct sockaddr)) {
 680 #ifdef NEW_LOGGING
 681                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 682                            "send_search_entry: conn %d  ber_printf failed\n",
 683                            conn ? conn->c_connid : 0 ));
 684 #else
 685                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 686 #endif
 687                 ber_free_buf( ber );
 688                 return;
 689             }
 690         }
 691         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2) {
 692             rc = ber_printf( ber, "{is{t{O{" /*}}}*/,
 693                 op->o_msgid, "", LDAP_RES_SEARCH_ENTRY, &e->e_name );
 694         } else
 695 #endif
 696         {
 697             rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
 698                 LDAP_RES_SEARCH_ENTRY, &e->e_name );
 699         }
 700
 701         if ( rc == -1 ) {
 702 #ifdef NEW_LOGGING
 703                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 704                            "send_search_entry: conn %d  ber_printf failed\n",
 705                            op->o_connid ));
 706 #else
 707                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 708 #endif
 709
 710                 ber_free_buf( ber );
 711                 send_ldap_result( conn, op, LDAP_OTHER,
 712                     NULL, "encoding DN error", NULL, NULL );
 713                 goto error_return;
 714         }
 715
 716         /* check for special all user attributes ("*") type */
 717         userattrs = ( attrs == NULL ) ? 1
 718                 : an_find( attrs, &AllUser );
 719
 720         /* check for special all operational attributes ("+") type */
 721         opattrs = ( attrs == NULL ) ? 0
 722                 : an_find( attrs, &AllOper );
 723
 724         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 725                 AttributeDescription *desc = a->a_desc;
 726
 727                 if ( attrs == NULL ) {
 728                         /* all attrs request, skip operational attributes */
 729                         if( is_at_operational( desc->ad_type ) ) {
 730                                 continue;
 731                         }
 732
 733                 } else {
 734                         /* specific attrs requested */
 735                         if ( is_at_operational( desc->ad_type ) ) {
 736                                 if( !opattrs && !ad_inlist( desc, attrs ) ) {
 737                                         continue;
 738                                 }
 739
 740                         } else {
 741                                 if (!userattrs && !ad_inlist( desc, attrs ) ) {
 742                                         continue;
 743                                 }
 744                         }
 745                 }
 746
 747                 acl_state = acl_state_init;
 748
 749                 if ( ! access_allowed( be, conn, op, e, desc, NULL,
 750                         ACL_READ, &acl_state ) )
 751                 {
 752 #ifdef NEW_LOGGING
 753                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO, "send_search_entry: "
 754                                 "conn %d  access to attribute %s not allowed\n",
 755                                 op->o_connid, desc->ad_cname.bv_val ));
 756 #else
 757                         Debug( LDAP_DEBUG_ACL, "acl: "
 758                                 "access to attribute %s not allowed\n",
 759                             desc->ad_cname.bv_val, 0, 0 );
 760 #endif
 761                         continue;
 762                 }
 763
 764                 if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
 765 #ifdef NEW_LOGGING
 766                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 767                                 "send_search_entry: conn %d  ber_printf failed\n",
 768                                 op->o_connid ));
 769 #else
 770                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 771 #endif
 772
 773                         ber_free_buf( ber );
 774                         send_ldap_result( conn, op, LDAP_OTHER,
 775                             NULL, "encoding description error", NULL, NULL );
 776                         goto error_return;
 777                 }
 778
 779                 if ( ! attrsonly ) {
 780                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 781                                 if ( ! access_allowed( be, conn, op, e,
 782                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 783                                 {
 784 #ifdef NEW_LOGGING
 785                                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 786                                                 "send_search_entry: conn %d "
 787                                                 "access to attribute %s, value %d not allowed\n",
 788                                                 op->o_connid, desc->ad_cname.bv_val, i ));
 789 #else
 790                                         Debug( LDAP_DEBUG_ACL,
 791                                                 "acl: access to attribute %s, value %d not allowed\n",
 792                                         desc->ad_cname.bv_val, i, 0 );
 793 #endif
 794
 795                                         continue;
 796                                 }
 797
 798                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 799 #ifdef NEW_LOGGING
 800                                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 801                                                 "send_search_entry: conn %d  ber_printf failed.\n",
 802                                                 op->o_connid ));
 803 #else
 804                                         Debug( LDAP_DEBUG_ANY,
 805                                             "ber_printf failed\n", 0, 0, 0 );
 806 #endif
 807
 808                                         ber_free_buf( ber );
 809                                         send_ldap_result( conn, op, LDAP_OTHER,
 810                                                 NULL, "encoding values error", NULL, NULL );
 811                                         goto error_return;
 812                                 }
 813                         }
 814                 }
 815
 816                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 817 #ifdef NEW_LOGGING
 818                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 819                                 "send_search_entry: conn %d  ber_printf failed\n",
 820                                 op->o_connid ));
 821 #else
 822                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 823 #endif
 824
 825                         ber_free_buf( ber );
 826                         send_ldap_result( conn, op, LDAP_OTHER,
 827                             NULL, "encode end error", NULL, NULL );
 828                         goto error_return;
 829                 }
 830         }
 831
 832         /* eventually will loop through generated operational attributes */
 833         /* only have subschemaSubentry implemented */
 834         aa = backend_operational( be, conn, op, e, attrs, opattrs );
 835
 836         for (a = aa ; a != NULL; a = a->a_next ) {
 837                 AttributeDescription *desc = a->a_desc;
 838
 839                 if ( attrs == NULL ) {
 840                         /* all attrs request, skip operational attributes */
 841                         if( is_at_operational( desc->ad_type ) ) {
 842                                 continue;
 843                         }
 844
 845                 } else {
 846                         /* specific attrs requested */
 847                         if( is_at_operational( desc->ad_type ) ) {
 848                                 if( !opattrs && !ad_inlist( desc, attrs ) ) {
 849                                         continue;
 850                                 }
 851                         } else {
 852                                 if (!userattrs && !ad_inlist( desc, attrs ) )
 853                                 {
 854                                         continue;
 855                                 }
 856                         }
 857                 }
 858
 859                 acl_state = acl_state_init;
 860
 861                 if ( ! access_allowed( be, conn, op, e, desc, NULL,
 862                         ACL_READ, &acl_state ) )
 863                 {
 864 #ifdef NEW_LOGGING
 865                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 866                                 "send_search_entry: conn %s "
 867                                 "access to attribute %s not allowed\n",
 868                                 op->o_connid, desc->ad_cname.bv_val ));
 869 #else
 870                         Debug( LDAP_DEBUG_ACL, "acl: access to attribute %s not allowed\n",
 871                             desc->ad_cname.bv_val, 0, 0 );
 872 #endif
 873
 874                         continue;
 875                 }
 876
 877                 rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
 878                 if ( rc == -1 ) {
 879 #ifdef NEW_LOGGING
 880                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 881                                 "send_search_entry: conn %d  ber_printf failed\n",
 882                                 op->o_connid ));
 883 #else
 884                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 885 #endif
 886
 887                         ber_free_buf( ber );
 888                         send_ldap_result( conn, op, LDAP_OTHER,
 889                             NULL, "encoding description error", NULL, NULL );
 890                         attrs_free( aa );
 891                         goto error_return;
 892                 }
 893
 894                 if ( ! attrsonly ) {
 895                         for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
 896                                 if ( ! access_allowed( be, conn, op, e,
 897                                         desc, &a->a_vals[i], ACL_READ, &acl_state ) )
 898                                 {
 899 #ifdef NEW_LOGGING
 900                                         LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
 901                                                 "send_search_entry: conn %d "
 902                                                 "access to %s, value %d not allowed\n",
 903                                                 op->o_connid, desc->ad_cname.bv_val, i ));
 904 #else
 905                                         Debug( LDAP_DEBUG_ACL,
 906                                                 "acl: access to attribute %s, value %d not allowed\n",
 907                                         desc->ad_cname.bv_val, i, 0 );
 908 #endif
 909
 910                                         continue;
 911                                 }
 912
 913                                 if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
 914 #ifdef NEW_LOGGING
 915                                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 916                                                    "send_search_entry: conn %d  ber_printf failed\n",
 917                                                    op->o_connid ));
 918 #else
 919                                         Debug( LDAP_DEBUG_ANY,
 920                                             "ber_printf failed\n", 0, 0, 0 );
 921 #endif
 922
 923                                         ber_free_buf( ber );
 924                                         send_ldap_result( conn, op, LDAP_OTHER,
 925                                                 NULL, "encoding values error", NULL, NULL );
 926                                         attrs_free( aa );
 927                                         goto error_return;
 928                                 }
 929                         }
 930                 }
 931
 932                 if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
 933 #ifdef NEW_LOGGING
 934                         LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 935                                    "send_search_entry: conn %d  ber_printf failed\n",
 936                                    op->o_connid ));
 937 #else
 938                         Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 939 #endif
 940
 941                         ber_free_buf( ber );
 942                         send_ldap_result( conn, op, LDAP_OTHER,
 943                             NULL, "encode end error", NULL, NULL );
 944                         attrs_free( aa );
 945                         goto error_return;
 946                 }
 947         }
 948
 949         attrs_free( aa );
 950
 951         rc = ber_printf( ber, /*{{{*/ "}N}N}" );
 952
 953 #ifdef LDAP_CONNECTIONLESS
 954         if (conn->c_is_udp && op->o_protocol == LDAP_VERSION2 && rc != -1)
 955                 rc = ber_printf( ber, "}" );
 956 #endif
 957         if ( rc == -1 ) {
 958 #ifdef NEW_LOGGING
 959                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 960                            "send_search_entry: conn %d ber_printf failed\n",
 961                            op->o_connid ));
 962 #else
 963                 Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
 964 #endif
 965
 966                 ber_free_buf( ber );
 967                 send_ldap_result( conn, op, LDAP_OTHER,
 968                         NULL, "encode entry end error", NULL, NULL );
 969                 return( 1 );
 970         }
 971
 972         bytes = send_ldap_ber( conn, ber );
 973         ber_free_buf( ber );
 974
 975         if ( bytes < 0 ) {
 976 #ifdef NEW_LOGGING
 977                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 978                            "send_ldap_response: conn %d  ber write failed.\n",
 979                            op->o_connid ));
 980 #else
 981                 Debug( LDAP_DEBUG_ANY,
 982                         "send_ldap_response: ber write failed\n",
 983                         0, 0, 0 );
 984 #endif
 985
 986                 return -1;
 987         }
 988
 989         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
 990         num_bytes_sent += bytes;
 991         num_entries_sent++;
 992         num_pdu_sent++;
 993         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
 994
 995         Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld ENTRY dn=\"%s\"\n",
 996             (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
 997
 998 #ifdef NEW_LOGGING
 999         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1000                    "send_search_entry: conn %d exit.\n",
1001                    op->o_connid ));
1002 #else
1003         Debug( LDAP_DEBUG_TRACE, "<= send_search_entry\n", 0, 0, 0 );
1004 #endif
1005
1006         rc = 0;
1007
1008 error_return:;
1009         return( rc );
1010 }
1011
1012 int
1013 send_search_reference(
1014     Backend     *be,
1015     Connection  *conn,
1016     Operation   *op,
1017     Entry       *e,
1018         BerVarray refs,
1019         LDAPControl **ctrls,
1020     BerVarray *v2refs
1021 )
1022 {
1023         char            berbuf[256];
1024         BerElement      *ber = (BerElement *)berbuf;
1025         int rc;
1026         int bytes;
1027
1028         AttributeDescription *ad_ref = slap_schema.si_ad_ref;
1029         AttributeDescription *ad_entry = slap_schema.si_ad_entry;
1030
1031 #ifdef NEW_LOGGING
1032         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1033                 "send_search_reference: conn %d  dn=\"%s\"\n",
1034                 op->o_connid, e->e_dn ));
1035 #else
1036         Debug( LDAP_DEBUG_TRACE,
1037                 "=> send_search_reference: dn=\"%s\"\n",
1038                 e->e_dn, 0, 0 );
1039 #endif
1040
1041
1042         if ( ! access_allowed( be, conn, op, e,
1043                 ad_entry, NULL, ACL_READ, NULL ) )
1044         {
1045 #ifdef NEW_LOGGING
1046                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1047                         "send_search_reference: conn %d access to entry %s not allowed\n",
1048                         op->o_connid, e->e_dn ));
1049 #else
1050                 Debug( LDAP_DEBUG_ACL,
1051                         "send_search_reference: access to entry not allowed\n",
1052                     0, 0, 0 );
1053 #endif
1054
1055                 return( 1 );
1056         }
1057
1058         if ( ! access_allowed( be, conn, op, e,
1059                 ad_ref, NULL, ACL_READ, NULL ) )
1060         {
1061 #ifdef NEW_LOGGING
1062                 LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
1063                         "send_search_reference: conn %d access to reference not allowed.\n",
1064                         op->o_connid ));
1065 #else
1066                 Debug( LDAP_DEBUG_ACL,
1067                         "send_search_reference: access to reference not allowed\n",
1068                     0, 0, 0 );
1069 #endif
1070
1071                 return( 1 );
1072         }
1073
1074         if( refs == NULL ) {
1075 #ifdef NEW_LOGGING
1076                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1077                         "send_search_reference: null ref in (%s).\n",
1078                         op->o_connid, e->e_dn ));
1079 #else
1080                 Debug( LDAP_DEBUG_ANY,
1081                         "send_search_reference: null ref in (%s)\n",
1082                         e->e_dn, 0, 0 );
1083 #endif
1084
1085                 return( 1 );
1086         }
1087
1088         if( op->o_protocol < LDAP_VERSION3 ) {
1089                 /* save the references for the result */
1090                 if( refs[0].bv_val != NULL ) {
1091                         value_add( v2refs, refs );
1092                 }
1093                 return 0;
1094         }
1095
1096         ber_init_w_nullc( ber, LBER_USE_DER );
1097
1098         rc = ber_printf( ber, "{it{W}N}", op->o_msgid,
1099                 LDAP_RES_SEARCH_REFERENCE, refs );
1100
1101         if ( rc == -1 ) {
1102 #ifdef NEW_LOGGING
1103                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
1104                         "send_search_reference: conn %d ber_printf failed.\n",
1105                         op->o_connid ));
1106 #else
1107                 Debug( LDAP_DEBUG_ANY,
1108                         "send_search_reference: ber_printf failed\n", 0, 0, 0 );
1109 #endif
1110
1111                 ber_free_buf( ber );
1112                 send_ldap_result( conn, op, LDAP_OTHER,
1113                         NULL, "encode DN error", NULL, NULL );
1114                 return -1;
1115         }
1116
1117         bytes = send_ldap_ber( conn, ber );
1118         ber_free_buf( ber );
1119
1120         ldap_pvt_thread_mutex_lock( &num_sent_mutex );
1121         num_bytes_sent += bytes;
1122         num_refs_sent++;
1123         num_pdu_sent++;
1124         ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
1125
1126         Statslog( LDAP_DEBUG_STATS2, "conn=%ld op=%ld REF dn=\"%s\"\n",
1127                 (long) conn->c_connid, (long) op->o_opid, e->e_dn, 0, 0 );
1128
1129 #ifdef NEW_LOGGING
1130         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
1131                 "send_search_reference: conn %d exit.\n", op->o_connid ));
1132 #else
1133         Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
1134 #endif
1135
1136         return 0;
1137 }
1138
1139
1140 int
1141 str2result(
1142     char        *s,
1143     int         *code,
1144     char        **matched,
1145     char        **info
1146 )
1147 {
1148         int     rc;
1149         char    *c;
1150
1151         *code = LDAP_SUCCESS;
1152         *matched = NULL;
1153         *info = NULL;
1154
1155         if ( strncasecmp( s, "RESULT", 6 ) != 0 ) {
1156 #ifdef NEW_LOGGING
1157                 LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
1158                            "str2result: (%s), expecting \"RESULT\"\n", s ));
1159 #else
1160                 Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
1161                     s, 0, 0 );
1162 #endif
1163
1164
1165                 return( -1 );
1166         }
1167
1168         rc = 0;
1169         while ( (s = strchr( s, '\n' )) != NULL ) {
1170                 *s++ = '\0';
1171                 if ( *s == '\0' ) {
1172                         break;
1173                 }
1174                 if ( (c = strchr( s, ':' )) != NULL ) {
1175                         c++;
1176                 }
1177
1178                 if ( strncasecmp( s, "code", 4 ) == 0 ) {
1179                         if ( c != NULL ) {
1180                                 *code = atoi( c );
1181                         }
1182                 } else if ( strncasecmp( s, "matched", 7 ) == 0 ) {
1183                         if ( c != NULL ) {
1184                                 *matched = c;
1185                         }
1186                 } else if ( strncasecmp( s, "info", 4 ) == 0 ) {
1187                         if ( c != NULL ) {
1188                                 *info = c;
1189                         }
1190                 } else {
1191 #ifdef NEW_LOGGING
1192                         LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
1193                                 "str2result: (%s) unknown.\n", s ));
1194 #else
1195                         Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
1196                             s, 0, 0 );
1197 #endif
1198
1199                         rc = -1;
1200                 }
1201         }
1202
1203         return( rc );
1204 }