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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1999-2003 The OpenLDAP Foundation.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms are permitted only
   7  * as authorized by the OpenLDAP Public License.  A copy of this
   8  * license is available at http://www.OpenLDAP.org/license.html or
   9  * in file LICENSE in the top-level directory of the distribution.
  10  */
  11 #include "portable.h"
  12
  13 #include <stdio.h>
  14
  15 #include <ac/string.h>
  16 #include <ac/socket.h>
  17
  18 #include "slap.h"
  19
  20 #include "../../libraries/liblber/lber-int.h"
  21
  22 static SLAP_CTRL_PARSE_FN parseProxyAuthz;
  23 static SLAP_CTRL_PARSE_FN parseManageDSAit;
  24 static SLAP_CTRL_PARSE_FN parseNoOp;
  25 static SLAP_CTRL_PARSE_FN parsePagedResults;
  26 static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
  27 static SLAP_CTRL_PARSE_FN parsePermissiveModify;
  28 static SLAP_CTRL_PARSE_FN parseDomainScope;
  29
  30 #ifdef LDAP_CONTROL_SUBENTRIES
  31 static SLAP_CTRL_PARSE_FN parseSubentries;
  32 #endif
  33 #ifdef LDAP_CLIENT_UPDATE
  34 static SLAP_CTRL_PARSE_FN parseClientUpdate;
  35 #endif
  36 #ifdef LDAP_SYNC
  37 static SLAP_CTRL_PARSE_FN parseLdupSync;
  38 #endif
  39
  40 #undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
  41
  42 static char *proxy_authz_extops[] = {
  43         LDAP_EXOP_MODIFY_PASSWD,
  44         LDAP_EXOP_X_WHO_AM_I,
  45         NULL
  46 };
  47
  48 struct slap_control {
  49         /*
  50          * Control OID
  51          */
  52         char *sc_oid;
  53
  54         /*
  55          * Operations supported by control
  56          */
  57         slap_mask_t sc_mask;
  58
  59         /*
  60          * Extended operations supported by control
  61          */
  62         char **sc_extendedops;
  63
  64         /*
  65          * Control parsing callback
  66          */
  67         SLAP_CTRL_PARSE_FN *sc_parse;
  68
  69         LDAP_SLIST_ENTRY(slap_control) sc_next;
  70 };
  71
  72 static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list
  73         = LDAP_SLIST_HEAD_INITIALIZER(&controls_list);
  74
  75 /*
  76  * all known request control OIDs should be added to this list
  77  */
  78 char **slap_known_controls = NULL;
  79
  80 static struct slap_control control_defs[] = {
  81         { LDAP_CONTROL_VALUESRETURNFILTER,
  82                 SLAP_CTRL_SEARCH, NULL,
  83                 parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  84 #ifdef LDAP_CONTROL_PAGEDRESULTS
  85         { LDAP_CONTROL_PAGEDRESULTS,
  86                 SLAP_CTRL_SEARCH, NULL,
  87                 parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  88 #endif
  89 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
  90         { LDAP_CONTROL_X_DOMAIN_SCOPE,
  91                 SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL,
  92                 parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  93 #endif
  94 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
  95         { LDAP_CONTROL_X_PERMISSIVE_MODIFY,
  96                 SLAP_CTRL_MODIFY, NULL,
  97                 parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) },
  98 #endif
  99 #ifdef LDAP_CONTROL_SUBENTRIES
 100         { LDAP_CONTROL_SUBENTRIES,
 101                 SLAP_CTRL_SEARCH, NULL,
 102                 parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 103 #endif
 104         { LDAP_CONTROL_NOOP,
 105                 SLAP_CTRL_ACCESS, NULL,
 106                 parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 107 #ifdef LDAP_CLIENT_UPDATE
 108         { LDAP_CONTROL_CLIENT_UPDATE,
 109                 SLAP_CTRL_SEARCH, NULL,
 110                 parseClientUpdate, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 111 #endif
 112 #ifdef LDAP_SYNC
 113         { LDAP_CONTROL_SYNC,
 114                 SLAP_CTRL_SEARCH, NULL,
 115                 parseLdupSync, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 116 #endif
 117         { LDAP_CONTROL_MANAGEDSAIT,
 118                 SLAP_CTRL_ACCESS, NULL,
 119                 parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 120         { LDAP_CONTROL_PROXY_AUTHZ,
 121                 SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops,
 122                 parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) },
 123         { NULL, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) }
 124 };
 125
 126 /*
 127  * Register a supported control.
 128  *
 129  * This can be called by an OpenLDAP plugin or, indirectly, by a
 130  * SLAPI plugin calling slapi_register_supported_control().
 131  */
 132 int
 133 register_supported_control(const char *controloid,
 134         slap_mask_t controlmask,
 135         char **controlexops,
 136         SLAP_CTRL_PARSE_FN *controlparsefn)
 137 {
 138         struct slap_control *sc;
 139         int i;
 140
 141         if ( controloid == NULL ) {
 142                 return LDAP_PARAM_ERROR;
 143         }
 144
 145         sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) );
 146         if ( sc == NULL ) {
 147                 return LDAP_NO_MEMORY;
 148         }
 149         sc->sc_oid = ch_strdup( controloid );
 150         sc->sc_mask = controlmask;
 151         if ( controlexops != NULL ) {
 152                 sc->sc_extendedops = ldap_charray_dup( controlexops );
 153                 if ( sc->sc_extendedops == NULL ) {
 154                         ch_free( sc );
 155                         return LDAP_NO_MEMORY;
 156                 }
 157         } else {
 158                 sc->sc_extendedops = NULL;
 159         }
 160         sc->sc_parse = controlparsefn;
 161
 162         /* Update slap_known_controls, too. */
 163         if ( slap_known_controls == NULL ) {
 164                 slap_known_controls = (char **)SLAP_MALLOC( 2 * sizeof(char *) );
 165                 if ( slap_known_controls == NULL ) {
 166                         if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
 167                         ch_free( sc );
 168                         return LDAP_NO_MEMORY;
 169                 }
 170                 slap_known_controls[0] = ch_strdup( sc->sc_oid );
 171                 slap_known_controls[1] = NULL;
 172         } else {
 173                 for ( i = 0; slap_known_controls[i] != NULL; i++ )
 174                         ;
 175                 slap_known_controls = (char **)SLAP_REALLOC( slap_known_controls, (i + 2) * sizeof(char *) );
 176                 if ( slap_known_controls == NULL ) {
 177                         if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops );
 178                         ch_free( sc );
 179                         return LDAP_NO_MEMORY;
 180                 }
 181                 slap_known_controls[i++] = ch_strdup( sc->sc_oid );
 182                 slap_known_controls[i] = NULL;
 183         }
 184
 185         LDAP_SLIST_NEXT( sc, sc_next ) = NULL;
 186         LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next );
 187
 188         return LDAP_SUCCESS;
 189 }
 190
 191 /*
 192  * One-time initialization of internal controls.
 193  */
 194 int
 195 slap_controls_init( void )
 196 {
 197         int i, rc;
 198         struct slap_control *sc;
 199
 200         rc = LDAP_SUCCESS;
 201
 202         for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) {
 203                 rc = register_supported_control( control_defs[i].sc_oid,
 204                         control_defs[i].sc_mask, control_defs[i].sc_extendedops,
 205                         control_defs[i].sc_parse );
 206                 if ( rc != LDAP_SUCCESS )
 207                         break;
 208         }
 209
 210         return rc;
 211 }
 212
 213 /*
 214  * Free memory associated with list of supported controls.
 215  */
 216 void
 217 controls_destroy( void )
 218 {
 219         struct slap_control *sc;
 220
 221         while ( !LDAP_SLIST_EMPTY(&controls_list) ) {
 222                 sc = LDAP_SLIST_FIRST(&controls_list);
 223                 LDAP_SLIST_REMOVE_HEAD(&controls_list, sc_next);
 224
 225                 ch_free( sc->sc_oid );
 226                 if ( sc->sc_extendedops != NULL ) {
 227                         ldap_charray_free( sc->sc_extendedops );
 228                 }
 229                 ch_free( sc );
 230         }
 231         ldap_charray_free( slap_known_controls );
 232 }
 233
 234 /*
 235  * Format the supportedControl attribute of the root DSE,
 236  * detailing which controls are supported by the directory
 237  * server.
 238  */
 239 int
 240 controls_root_dse_info( Entry *e )
 241 {
 242         AttributeDescription *ad_supportedControl
 243                 = slap_schema.si_ad_supportedControl;
 244         struct berval vals[2];
 245         struct slap_control *sc;
 246
 247         vals[1].bv_val = NULL;
 248         vals[1].bv_len = 0;
 249
 250         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 251                 vals[0].bv_val = sc->sc_oid;
 252                 vals[0].bv_len = strlen( sc->sc_oid );
 253                 if ( attr_merge( e, ad_supportedControl, vals, NULL ) )
 254                         return -1;
 255         }
 256
 257         return 0;
 258 }
 259
 260 /*
 261  * Return a list of OIDs and operation masks for supported
 262  * controls. Used by SLAPI.
 263  */
 264 int
 265 get_supported_controls(char ***ctrloidsp,
 266         slap_mask_t **ctrlmasks)
 267 {
 268         int i, n;
 269         char **oids;
 270         slap_mask_t *masks;
 271         int rc;
 272         struct slap_control *sc;
 273
 274         n = 0;
 275
 276         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 277                 n++;
 278         }
 279
 280         if ( n == 0 ) {
 281                 *ctrloidsp = NULL;
 282                 *ctrlmasks = NULL;
 283                 return LDAP_SUCCESS;
 284         }
 285
 286         oids = (char **)SLAP_MALLOC( (n + 1) * sizeof(char *) );
 287         if ( oids == NULL ) {
 288                 return LDAP_NO_MEMORY;
 289         }
 290         masks = (slap_mask_t *)SLAP_MALLOC( (n + 1) * sizeof(slap_mask_t) );
 291         if  ( masks == NULL ) {
 292                 ch_free( oids );
 293                 return LDAP_NO_MEMORY;
 294         }
 295
 296         n = 0;
 297
 298         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 299                 oids[n] = ch_strdup( sc->sc_oid );
 300                 masks[n] = sc->sc_mask;
 301                 n++;
 302         }
 303         oids[n] = NULL;
 304         masks[n] = 0;
 305
 306         *ctrloidsp = oids;
 307         *ctrlmasks = masks;
 308
 309         return LDAP_SUCCESS;
 310 }
 311
 312 /*
 313  * Find a control given its OID.
 314  */
 315 static struct slap_control *
 316 find_ctrl( const char *oid )
 317 {
 318         struct slap_control *sc;
 319
 320         LDAP_SLIST_FOREACH( sc, &controls_list, sc_next ) {
 321                 if ( strcmp( oid, sc->sc_oid ) == 0 ) {
 322                         return sc;
 323                 }
 324         }
 325
 326         return NULL;
 327 }
 328
 329 void slap_free_ctrls(
 330         Operation *op,
 331         LDAPControl **ctrls
 332 )
 333 {
 334         int i;
 335
 336         for (i=0; ctrls[i]; i++) {
 337                 op->o_tmpfree(ctrls[i], op->o_tmpmemctx );
 338         }
 339         op->o_tmpfree( ctrls, op->o_tmpmemctx );
 340 }
 341
 342 int get_ctrls(
 343         Operation *op,
 344         SlapReply *rs,
 345         int sendres )
 346 {
 347         int nctrls = 0;
 348         ber_tag_t tag;
 349         ber_len_t len;
 350         char *opaque;
 351         BerElement *ber = op->o_ber;
 352         struct slap_control *sc;
 353         struct berval bv;
 354         BER_MEMREALLOC_FN *reallo;
 355
 356         reallo = op->o_tmpmemctx ? sl_realloc : (BER_MEMREALLOC_FN *)ch_realloc;
 357
 358         len = ber_pvt_ber_remaining(ber);
 359
 360         if( len == 0) {
 361                 /* no controls */
 362                 rs->sr_err = LDAP_SUCCESS;
 363                 return rs->sr_err;
 364         }
 365
 366         if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
 367                 if( tag == LBER_ERROR ) {
 368                         rs->sr_err = SLAPD_DISCONNECT;
 369                         rs->sr_text = "unexpected data in PDU";
 370                 }
 371
 372                 goto return_results;
 373         }
 374
 375 #ifdef NEW_LOGGING
 376         LDAP_LOG( OPERATION, ENTRY,
 377                 "get_ctrls: conn %lu\n", op->o_connid, 0, 0 );
 378 #else
 379         Debug( LDAP_DEBUG_TRACE,
 380                 "=> get_ctrls\n", 0, 0, 0 );
 381 #endif
 382
 383         if( op->o_protocol < LDAP_VERSION3 ) {
 384                 rs->sr_err = SLAPD_DISCONNECT;
 385                 rs->sr_text = "controls require LDAPv3";
 386                 goto return_results;
 387         }
 388
 389         /* one for first control, one for termination */
 390         op->o_ctrls = op->o_tmpalloc( 2 * sizeof(LDAPControl *), op->o_tmpmemctx );
 391
 392 #if 0
 393         if( op->ctrls == NULL ) {
 394                 rs->sr_err = LDAP_NO_MEMORY;
 395                 rs->sr_text = "no memory";
 396                 goto return_results;
 397         }
 398 #endif
 399
 400         op->o_ctrls[nctrls] = NULL;
 401
 402         /* step through each element */
 403         for( tag = ber_first_element( ber, &len, &opaque );
 404                 tag != LBER_ERROR;
 405                 tag = ber_next_element( ber, &len, opaque ) )
 406         {
 407                 LDAPControl *c;
 408                 LDAPControl **tctrls;
 409
 410                 c = op->o_tmpalloc( sizeof(LDAPControl), op->o_tmpmemctx );
 411                 memset(c, 0, sizeof(LDAPControl));
 412
 413                 /* allocate pointer space for current controls (nctrls)
 414                  * + this control + extra NULL
 415                  */
 416                 tctrls = reallo( op->o_ctrls,
 417                         (nctrls+2) * sizeof(LDAPControl *), op->o_tmpmemctx );
 418
 419 #if 0
 420                 if( tctrls == NULL ) {
 421                         ch_free( c );
 422                         ldap_controls_free(op->o_ctrls);
 423                         op->o_ctrls = NULL;
 424
 425                         rs->sr_err = LDAP_NO_MEMORY;
 426                         rs->sr_text = "no memory";
 427                         goto return_results;
 428                 }
 429 #endif
 430                 op->o_ctrls = tctrls;
 431
 432                 op->o_ctrls[nctrls++] = c;
 433                 op->o_ctrls[nctrls] = NULL;
 434
 435                 tag = ber_scanf( ber, "{m" /*}*/, &bv );
 436                 c->ldctl_oid = bv.bv_val;
 437
 438                 if( tag == LBER_ERROR ) {
 439 #ifdef NEW_LOGGING
 440                         LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n",
 441                                 op->o_connid, 0, 0 );
 442 #else
 443                         Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
 444                                 0, 0, 0 );
 445 #endif
 446
 447                         slap_free_ctrls( op, op->o_ctrls );
 448                         op->o_ctrls = NULL;
 449                         rs->sr_err = SLAPD_DISCONNECT;
 450                         rs->sr_text = "decoding controls error";
 451                         goto return_results;
 452
 453                 } else if( c->ldctl_oid == NULL ) {
 454 #ifdef NEW_LOGGING
 455                         LDAP_LOG( OPERATION, INFO,
 456                                 "get_ctrls: conn %lu got emtpy OID.\n",
 457                                 op->o_connid, 0, 0 );
 458 #else
 459                         Debug( LDAP_DEBUG_TRACE,
 460                                 "get_ctrls: conn %lu got emtpy OID.\n",
 461                                 op->o_connid, 0, 0 );
 462 #endif
 463
 464                         slap_free_ctrls( op, op->o_ctrls );
 465                         op->o_ctrls = NULL;
 466                         rs->sr_err = LDAP_PROTOCOL_ERROR;
 467                         rs->sr_text = "OID field is empty";
 468                         goto return_results;
 469                 }
 470
 471                 tag = ber_peek_tag( ber, &len );
 472
 473                 if( tag == LBER_BOOLEAN ) {
 474                         ber_int_t crit;
 475                         tag = ber_scanf( ber, "b", &crit );
 476
 477                         if( tag == LBER_ERROR ) {
 478 #ifdef NEW_LOGGING
 479                                 LDAP_LOG( OPERATION, INFO,
 480                                         "get_ctrls: conn %lu get crit failed.\n",
 481                                         op->o_connid, 0, 0 );
 482 #else
 483                                 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
 484                                         0, 0, 0 );
 485 #endif
 486                                 slap_free_ctrls( op, op->o_ctrls );
 487                                 op->o_ctrls = NULL;
 488                                 rs->sr_err = SLAPD_DISCONNECT;
 489                                 rs->sr_text = "decoding controls error";
 490                                 goto return_results;
 491                         }
 492
 493                         c->ldctl_iscritical = (crit != 0);
 494                         tag = ber_peek_tag( ber, &len );
 495                 }
 496
 497                 if( tag == LBER_OCTETSTRING ) {
 498                         tag = ber_scanf( ber, "m", &c->ldctl_value );
 499
 500                         if( tag == LBER_ERROR ) {
 501 #ifdef NEW_LOGGING
 502                                 LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: "
 503                                         "%s (%scritical): get value failed.\n",
 504                                         op->o_connid, c->ldctl_oid,
 505                                         c->ldctl_iscritical ? "" : "non" );
 506 #else
 507                                 Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
 508                                         "%s (%scritical): get value failed.\n",
 509                                         op->o_connid, c->ldctl_oid,
 510                                         c->ldctl_iscritical ? "" : "non" );
 511 #endif
 512                                 slap_free_ctrls( op, op->o_ctrls );
 513                                 op->o_ctrls = NULL;
 514                                 rs->sr_err = SLAPD_DISCONNECT;
 515                                 rs->sr_text = "decoding controls error";
 516                                 goto return_results;
 517                         }
 518                 }
 519
 520 #ifdef NEW_LOGGING
 521                 LDAP_LOG( OPERATION, INFO,
 522                         "get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
 523                         op->o_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" );
 524 #else
 525                 Debug( LDAP_DEBUG_TRACE,
 526                         "=> get_ctrls: oid=\"%s\" (%scritical)\n",
 527                         c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 );
 528 #endif
 529
 530                 sc = find_ctrl( c->ldctl_oid );
 531                 if( sc != NULL ) {
 532                         /* recognized control */
 533                         slap_mask_t tagmask;
 534                         switch( op->o_tag ) {
 535                         case LDAP_REQ_ADD:
 536                                 tagmask = SLAP_CTRL_ADD;
 537                                 break;
 538                         case LDAP_REQ_BIND:
 539                                 tagmask = SLAP_CTRL_BIND;
 540                                 break;
 541                         case LDAP_REQ_COMPARE:
 542                                 tagmask = SLAP_CTRL_COMPARE;
 543                                 break;
 544                         case LDAP_REQ_DELETE:
 545                                 tagmask = SLAP_CTRL_DELETE;
 546                                 break;
 547                         case LDAP_REQ_MODIFY:
 548                                 tagmask = SLAP_CTRL_MODIFY;
 549                                 break;
 550                         case LDAP_REQ_RENAME:
 551                                 tagmask = SLAP_CTRL_RENAME;
 552                                 break;
 553                         case LDAP_REQ_SEARCH:
 554                                 tagmask = SLAP_CTRL_SEARCH;
 555                                 break;
 556                         case LDAP_REQ_UNBIND:
 557                                 tagmask = SLAP_CTRL_UNBIND;
 558                                 break;
 559                         case LDAP_REQ_ABANDON:
 560                                 tagmask = SLAP_CTRL_ABANDON;
 561                                 break;
 562                         case LDAP_REQ_EXTENDED:
 563                                 tagmask=~0L;
 564                                 assert( op->ore_reqoid.bv_val != NULL );
 565                                 if( sc->sc_extendedops != NULL ) {
 566                                         int i;
 567                                         for( i=0; sc->sc_extendedops[i] != NULL; i++ ) {
 568                                                 if( strcmp( op->ore_reqoid.bv_val, sc->sc_extendedops[i] )
 569                                                         == 0 )
 570                                                 {
 571                                                         tagmask=0L;
 572                                                         break;
 573                                                 }
 574                                         }
 575                                 }
 576                                 break;
 577                         default:
 578                                 rs->sr_err = LDAP_OTHER;
 579                                 rs->sr_text = "controls internal error";
 580                                 goto return_results;
 581                         }
 582
 583                         if (( sc->sc_mask & tagmask ) == tagmask ) {
 584                                 /* available extension */
 585
 586                                 if( !sc->sc_parse ) {
 587                                         rs->sr_err = LDAP_OTHER;
 588                                         rs->sr_text = "not yet implemented";
 589                                         goto return_results;
 590                                 }
 591
 592                                 rs->sr_err = sc->sc_parse( op, rs, c );
 593
 594                                 if( rs->sr_err != LDAP_SUCCESS ) goto return_results;
 595
 596                                 if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
 597                                         /* kludge to disable backend_control() check */
 598                                         c->ldctl_iscritical = 0;
 599
 600                                 } else if ( tagmask == SLAP_CTRL_SEARCH &&
 601                                         sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH )
 602                                 {
 603                                         /* kludge to disable backend_control() check */
 604                                         c->ldctl_iscritical = 0;
 605                                 }
 606
 607                         } else if( c->ldctl_iscritical ) {
 608                                 /* unavailable CRITICAL control */
 609                                 rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
 610                                 rs->sr_text = "critical extension is unavailable";
 611                                 goto return_results;
 612                         }
 613
 614                 } else if( c->ldctl_iscritical ) {
 615                         /* unrecognized CRITICAL control */
 616                         rs->sr_err = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
 617                         rs->sr_text = "critical extension is not recognized";
 618                         goto return_results;
 619                 }
 620         }
 621
 622 return_results:
 623 #ifdef NEW_LOGGING
 624         LDAP_LOG( OPERATION, RESULTS,
 625                 "get_ctrls: n=%d rc=%d err=\"%s\"\n",
 626                 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
 627 #else
 628         Debug( LDAP_DEBUG_TRACE,
 629                 "<= get_ctrls: n=%d rc=%d err=\"%s\"\n",
 630                 nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "");
 631 #endif
 632
 633         if( sendres && rs->sr_err != LDAP_SUCCESS ) {
 634                 if( rs->sr_err == SLAPD_DISCONNECT ) {
 635                         rs->sr_err = LDAP_PROTOCOL_ERROR;
 636                         send_ldap_disconnect( op, rs );
 637                         rs->sr_err = SLAPD_DISCONNECT;
 638                 } else {
 639                         send_ldap_result( op, rs );
 640                 }
 641         }
 642
 643         return rs->sr_err;
 644 }
 645
 646 static int parseManageDSAit (
 647         Operation *op,
 648         SlapReply *rs,
 649         LDAPControl *ctrl )
 650 {
 651         if ( op->o_managedsait != SLAP_NO_CONTROL ) {
 652                 rs->sr_text = "manageDSAit control specified multiple times";
 653                 return LDAP_PROTOCOL_ERROR;
 654         }
 655
 656         if ( ctrl->ldctl_value.bv_len ) {
 657                 rs->sr_text = "manageDSAit control value not empty";
 658                 return LDAP_PROTOCOL_ERROR;
 659         }
 660
 661         op->o_managedsait = ctrl->ldctl_iscritical
 662                 ? SLAP_CRITICAL_CONTROL
 663                 : SLAP_NONCRITICAL_CONTROL;
 664
 665         return LDAP_SUCCESS;
 666 }
 667
 668 static int parseProxyAuthz (
 669         Operation *op,
 670         SlapReply *rs,
 671         LDAPControl *ctrl )
 672 {
 673         int rc;
 674         struct berval dn = { 0, NULL };
 675
 676         if ( op->o_proxy_authz != SLAP_NO_CONTROL ) {
 677                 rs->sr_text = "proxy authorization control specified multiple times";
 678                 return LDAP_PROTOCOL_ERROR;
 679         }
 680
 681         op->o_proxy_authz = ctrl->ldctl_iscritical
 682                 ? SLAP_CRITICAL_CONTROL
 683                 : SLAP_NONCRITICAL_CONTROL;
 684
 685 #ifdef NEW_LOGGING
 686         LDAP_LOG( OPERATION, ARGS,
 687                 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
 688                 op->o_connid,
 689                 ctrl->ldctl_value.bv_len ?  ctrl->ldctl_value.bv_val : "anonymous",
 690                 0 );
 691 #else
 692         Debug( LDAP_DEBUG_ARGS,
 693                 "parseProxyAuthz: conn %lu authzid=\"%s\"\n",
 694                 op->o_connid,
 695                 ctrl->ldctl_value.bv_len ?  ctrl->ldctl_value.bv_val : "anonymous",
 696                 0 );
 697 #endif
 698
 699         if( ctrl->ldctl_value.bv_len == 0 ) {
 700 #ifdef NEW_LOGGING
 701                 LDAP_LOG( OPERATION, RESULTS,
 702                         "parseProxyAuthz: conn=%lu anonymous\n",
 703                         op->o_connid, 0, 0 );
 704 #else
 705                 Debug( LDAP_DEBUG_TRACE,
 706                         "parseProxyAuthz: conn=%lu anonymous\n",
 707                         op->o_connid, 0, 0 );
 708 #endif
 709
 710                 /* anonymous */
 711                 free( op->o_dn.bv_val );
 712                 op->o_dn.bv_len = 0;
 713                 op->o_dn.bv_val = ch_strdup( "" );
 714
 715                 free( op->o_ndn.bv_val );
 716                 op->o_ndn.bv_len = 0;
 717                 op->o_ndn.bv_val = ch_strdup( "" );
 718
 719                 return LDAP_SUCCESS;
 720         }
 721
 722         rc = slap_sasl_getdn( op->o_conn, op,
 723                 ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len,
 724                 NULL, &dn, SLAP_GETDN_AUTHZID );
 725
 726         if( rc != LDAP_SUCCESS || !dn.bv_len ) {
 727                 if ( dn.bv_val ) {
 728                         ch_free( dn.bv_val );
 729                 }
 730                 rs->sr_text = "authzId mapping failed";
 731                 return LDAP_PROXY_AUTHZ_FAILURE;
 732         }
 733
 734 #ifdef NEW_LOGGING
 735         LDAP_LOG( OPERATION, RESULTS,
 736                 "parseProxyAuthz: conn=%lu \"%s\"\n",
 737                 op->o_connid,
 738                 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
 739 #else
 740         Debug( LDAP_DEBUG_TRACE,
 741                 "parseProxyAuthz: conn=%lu \"%s\"\n",
 742                 op->o_connid,
 743                 dn.bv_len ? dn.bv_val : "(NULL)", 0 );
 744 #endif
 745
 746         rc = slap_sasl_authorized( op->o_conn, &op->o_ndn, &dn );
 747
 748         if( rc ) {
 749                 ch_free( dn.bv_val );
 750                 rs->sr_text = "not authorized to assume identity";
 751                 return LDAP_PROXY_AUTHZ_FAILURE;
 752         }
 753
 754         ch_free( op->o_dn.bv_val );
 755         ch_free( op->o_ndn.bv_val );
 756
 757         op->o_dn.bv_val = NULL;
 758         op->o_ndn = dn;
 759
 760         /*
 761          * NOTE: since slap_sasl_getdn() returns a normalized dn,
 762          * from now on op->o_dn is normalized
 763          */
 764         ber_dupbv( &op->o_dn, &dn );
 765
 766         return LDAP_SUCCESS;
 767 }
 768
 769 static int parseNoOp (
 770         Operation *op,
 771         SlapReply *rs,
 772         LDAPControl *ctrl )
 773 {
 774         if ( op->o_noop != SLAP_NO_CONTROL ) {
 775                 rs->sr_text = "noop control specified multiple times";
 776                 return LDAP_PROTOCOL_ERROR;
 777         }
 778
 779         if ( ctrl->ldctl_value.bv_len ) {
 780                 rs->sr_text = "noop control value not empty";
 781                 return LDAP_PROTOCOL_ERROR;
 782         }
 783
 784         op->o_noop = ctrl->ldctl_iscritical
 785                 ? SLAP_CRITICAL_CONTROL
 786                 : SLAP_NONCRITICAL_CONTROL;
 787
 788         return LDAP_SUCCESS;
 789 }
 790
 791 #ifdef LDAP_CONTROL_PAGEDRESULTS
 792 static int parsePagedResults (
 793         Operation *op,
 794         SlapReply *rs,
 795         LDAPControl *ctrl )
 796 {
 797         ber_tag_t tag;
 798         ber_int_t size;
 799         BerElement *ber;
 800         struct berval cookie = { 0, NULL };
 801
 802         if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
 803                 rs->sr_text = "paged results control specified multiple times";
 804                 return LDAP_PROTOCOL_ERROR;
 805         }
 806
 807         if ( ctrl->ldctl_value.bv_len == 0 ) {
 808                 rs->sr_text = "paged results control value is empty (or absent)";
 809                 return LDAP_PROTOCOL_ERROR;
 810         }
 811
 812         /* Parse the control value
 813          *      realSearchControlValue ::= SEQUENCE {
 814          *              size    INTEGER (0..maxInt),
 815          *                              -- requested page size from client
 816          *                              -- result set size estimate from server
 817          *              cookie  OCTET STRING
 818          * }
 819          */
 820         ber = ber_init( &ctrl->ldctl_value );
 821         if( ber == NULL ) {
 822                 rs->sr_text = "internal error";
 823                 return LDAP_OTHER;
 824         }
 825
 826         tag = ber_scanf( ber, "{im}", &size, &cookie );
 827         (void) ber_free( ber, 1 );
 828
 829         if( tag == LBER_ERROR ) {
 830                 rs->sr_text = "paged results control could not be decoded";
 831                 return LDAP_PROTOCOL_ERROR;
 832         }
 833
 834         if( size < 0 ) {
 835                 rs->sr_text = "paged results control size invalid";
 836                 return LDAP_PROTOCOL_ERROR;
 837         }
 838
 839         if( cookie.bv_len ) {
 840                 PagedResultsCookie reqcookie;
 841                 if( cookie.bv_len != sizeof( reqcookie ) ) {
 842                         /* bad cookie */
 843                         rs->sr_text = "paged results cookie is invalid";
 844                         return LDAP_PROTOCOL_ERROR;
 845                 }
 846
 847                 AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
 848
 849                 if( reqcookie > op->o_pagedresults_state.ps_cookie ) {
 850                         /* bad cookie */
 851                         rs->sr_text = "paged results cookie is invalid";
 852                         return LDAP_PROTOCOL_ERROR;
 853
 854                 } else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
 855                         rs->sr_text = "paged results cookie is invalid or old";
 856                         return LDAP_UNWILLING_TO_PERFORM;
 857                 }
 858         } else {
 859                 /* Initial request.  Initialize state. */
 860                 op->o_pagedresults_state.ps_cookie = 0;
 861                 op->o_pagedresults_state.ps_id = NOID;
 862         }
 863
 864         op->o_pagedresults_size = size;
 865
 866         op->o_pagedresults = ctrl->ldctl_iscritical
 867                 ? SLAP_CRITICAL_CONTROL
 868                 : SLAP_NONCRITICAL_CONTROL;
 869
 870         return LDAP_SUCCESS;
 871 }
 872 #endif
 873
 874 int parseValuesReturnFilter (
 875         Operation *op,
 876         SlapReply *rs,
 877         LDAPControl *ctrl )
 878 {
 879         BerElement      *ber;
 880         struct berval   fstr = { 0, NULL };
 881         const char *err_msg = "";
 882
 883         if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
 884                 rs->sr_text = "valuesReturnFilter control specified multiple times";
 885                 return LDAP_PROTOCOL_ERROR;
 886         }
 887
 888         if ( ctrl->ldctl_value.bv_len == 0 ) {
 889                 rs->sr_text = "valuesReturnFilter control value is empty (or absent)";
 890                 return LDAP_PROTOCOL_ERROR;
 891         }
 892
 893         ber = ber_init( &(ctrl->ldctl_value) );
 894         if (ber == NULL) {
 895                 rs->sr_text = "internal error";
 896                 return LDAP_OTHER;
 897         }
 898
 899         rs->sr_err = get_vrFilter( op, ber, &(op->vrFilter), &rs->sr_text);
 900
 901         if( rs->sr_err != LDAP_SUCCESS ) {
 902                 if( rs->sr_err == SLAPD_DISCONNECT ) {
 903                         rs->sr_err = LDAP_PROTOCOL_ERROR;
 904                         send_ldap_disconnect( op, rs );
 905                         rs->sr_err = SLAPD_DISCONNECT;
 906                 } else {
 907                         send_ldap_result( op, rs );
 908                 }
 909                 if( op->vrFilter != NULL) vrFilter_free( op, op->vrFilter );
 910
 911         }
 912 #ifdef LDAP_DEBUG
 913         else {
 914                 vrFilter2bv( op, op->vrFilter, &fstr );
 915         }
 916
 917 #ifdef NEW_LOGGING
 918         LDAP_LOG( OPERATION, ARGS,
 919                 "parseValuesReturnFilter: conn %d       vrFilter: %s\n",
 920                 op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
 921 #else
 922         Debug( LDAP_DEBUG_ARGS, "       vrFilter: %s\n",
 923                 fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
 924 #endif
 925         op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx );
 926 #endif
 927
 928         op->o_valuesreturnfilter = ctrl->ldctl_iscritical
 929                 ? SLAP_CRITICAL_CONTROL
 930                 : SLAP_NONCRITICAL_CONTROL;
 931
 932         rs->sr_err = LDAP_SUCCESS;
 933         return LDAP_SUCCESS;
 934 }
 935
 936 #ifdef LDAP_CONTROL_SUBENTRIES
 937 static int parseSubentries (
 938         Operation *op,
 939         SlapReply *rs,
 940         LDAPControl *ctrl )
 941 {
 942         if ( op->o_subentries != SLAP_NO_CONTROL ) {
 943                 rs->sr_text = "subentries control specified multiple times";
 944                 return LDAP_PROTOCOL_ERROR;
 945         }
 946
 947         /* FIXME: should use BER library */
 948         if( ( ctrl->ldctl_value.bv_len != 3 )
 949                 && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
 950                 && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
 951         {
 952                 rs->sr_text = "subentries control value encoding is bogus";
 953                 return LDAP_PROTOCOL_ERROR;
 954         }
 955
 956         op->o_subentries = ctrl->ldctl_iscritical
 957                 ? SLAP_CRITICAL_CONTROL
 958                 : SLAP_NONCRITICAL_CONTROL;
 959
 960         op->o_subentries_visibility = (ctrl->ldctl_value.bv_val[2] != 0x00);
 961
 962         return LDAP_SUCCESS;
 963 }
 964 #endif
 965
 966 #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY
 967 static int parsePermissiveModify (
 968         Operation *op,
 969         SlapReply *rs,
 970         LDAPControl *ctrl )
 971 {
 972         if ( op->o_permissive_modify != SLAP_NO_CONTROL ) {
 973                 rs->sr_text = "permissiveModify control specified multiple times";
 974                 return LDAP_PROTOCOL_ERROR;
 975         }
 976
 977         if ( ctrl->ldctl_value.bv_len ) {
 978                 rs->sr_text = "permissiveModify control value not empty";
 979                 return LDAP_PROTOCOL_ERROR;
 980         }
 981
 982         op->o_permissive_modify = ctrl->ldctl_iscritical
 983                 ? SLAP_CRITICAL_CONTROL
 984                 : SLAP_NONCRITICAL_CONTROL;
 985
 986         return LDAP_SUCCESS;
 987 }
 988 #endif
 989
 990 #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
 991 static int parseDomainScope (
 992         Operation *op,
 993         SlapReply *rs,
 994         LDAPControl *ctrl )
 995 {
 996         if ( op->o_domain_scope != SLAP_NO_CONTROL ) {
 997                 rs->sr_text = "domainScope control specified multiple times";
 998                 return LDAP_PROTOCOL_ERROR;
 999         }
1000
1001         if ( ctrl->ldctl_value.bv_len ) {
1002                 rs->sr_text = "domainScope control value not empty";
1003                 return LDAP_PROTOCOL_ERROR;
1004         }
1005
1006         op->o_domain_scope = ctrl->ldctl_iscritical
1007                 ? SLAP_CRITICAL_CONTROL
1008                 : SLAP_NONCRITICAL_CONTROL;
1009
1010         return LDAP_SUCCESS;
1011 }
1012 #endif
1013
1014 #ifdef LDAP_CLIENT_UPDATE
1015 static int parseClientUpdate (
1016         Operation *op,
1017         SlapReply *rs,
1018         LDAPControl *ctrl )
1019 {
1020         ber_tag_t tag;
1021         BerElement *ber;
1022         ber_int_t type;
1023         ber_int_t interval;
1024         ber_len_t len;
1025         struct berval scheme = { 0, NULL };
1026         struct berval cookie = { 0, NULL };
1027
1028         if ( op->o_clientupdate != SLAP_NO_CONTROL ) {
1029                 rs->sr_text = "LCUP client update control specified multiple times";
1030                 return LDAP_PROTOCOL_ERROR;
1031         }
1032
1033 #ifdef LDAP_SYNC
1034         if ( op->o_sync != SLAP_NO_CONTROL ) {
1035                 rs->sr_text = "LDAP Client Update and Sync controls used together";
1036                 return LDAP_PROTOCOL_ERROR;
1037         }
1038 #endif
1039
1040         if ( ctrl->ldctl_value.bv_len == 0 ) {
1041                 rs->sr_text = "LCUP client update control value is empty (or absent)";
1042                 return LDAP_PROTOCOL_ERROR;
1043         }
1044
1045         /* Parse the control value
1046          *      ClientUpdateControlValue ::= SEQUENCE {
1047          *              updateType      ENUMERATED {
1048          *                                      synchronizeOnly {0},
1049          *                                      synchronizeAndPersist {1},
1050          *                                      persistOnly {2} },
1051          *              sendCookieInterval INTEGER OPTIONAL,
1052          *              cookie          LCUPCookie OPTIONAL
1053          *      }
1054          */
1055
1056         ber = ber_init( &ctrl->ldctl_value );
1057         if( ber == NULL ) {
1058                 rs->sr_text = "internal error";
1059                 return LDAP_OTHER;
1060         }
1061
1062         if ( (tag = ber_scanf( ber, "{i" /*}*/, &type )) == LBER_ERROR ) {
1063                 rs->sr_text = "LCUP client update control : decoding error";
1064                 return LDAP_PROTOCOL_ERROR;
1065         }
1066
1067         switch( type ) {
1068         case LDAP_CUP_SYNC_ONLY:
1069                 type = SLAP_LCUP_SYNC;
1070                 break;
1071         case LDAP_CUP_SYNC_AND_PERSIST:
1072                 type = SLAP_LCUP_SYNC_AND_PERSIST;
1073                 break;
1074         case LDAP_CUP_PERSIST_ONLY:
1075                 type = SLAP_LCUP_PERSIST;
1076                 break;
1077         default:
1078                 rs->sr_text = "LCUP client update control : unknown update type";
1079                 return LDAP_PROTOCOL_ERROR;
1080         }
1081
1082         if ( (tag = ber_peek_tag( ber, &len )) == LBER_DEFAULT ) {
1083                 rs->sr_text = "LCUP client update control : decoding error";
1084                 return LDAP_PROTOCOL_ERROR;
1085         }
1086
1087         if ( tag == LDAP_CUP_TAG_INTERVAL ) {
1088                 if ( (tag = ber_scanf( ber, "i", &interval )) == LBER_ERROR ) {
1089                         rs->sr_text = "LCUP client update control : decoding error";
1090                         return LDAP_PROTOCOL_ERROR;
1091                 }
1092
1093                 if ( interval <= 0 ) {
1094                         /* server chooses interval */
1095                         interval = LDAP_CUP_DEFAULT_SEND_COOKIE_INTERVAL;
1096                 }
1097
1098         } else {
1099                 /* server chooses interval */
1100                 interval = LDAP_CUP_DEFAULT_SEND_COOKIE_INTERVAL;
1101         }
1102
1103         if ( (tag = ber_peek_tag( ber, &len )) == LBER_DEFAULT ) {
1104                 rs->sr_text = "LCUP client update control : decoding error";
1105                 return LDAP_PROTOCOL_ERROR;
1106         }
1107
1108         if ( tag == LDAP_CUP_TAG_COOKIE ) {
1109                 if ( (tag = ber_scanf( ber, /*{*/ "{mm}}",
1110                         &scheme, &cookie )) == LBER_ERROR )
1111                 {
1112                         rs->sr_text = "LCUP client update control : decoding error";
1113                         return LDAP_PROTOCOL_ERROR;
1114                 }
1115         }
1116
1117         /* TODO : Cookie Scheme Validation */
1118 #if 0
1119         if ( lcup_cookie_scheme_validate(scheme) != LDAP_SUCCESS ) {
1120                 rs->sr_text = "Unsupported LCUP cookie scheme";
1121                 return LCUP_UNSUPPORTED_SCHEME;
1122         }
1123
1124         if ( lcup_cookie_validate(scheme, cookie) != LDAP_SUCCESS ) {
1125                 rs->sr_text = "Invalid LCUP cookie";
1126                 return LCUP_INVALID_COOKIE;
1127         }
1128 #endif
1129
1130         ber_dupbv( &op->o_clientupdate_state, &cookie );
1131
1132         (void) ber_free( ber, 1 );
1133
1134         op->o_clientupdate_type = (char) type;
1135         op->o_clientupdate_interval = interval;
1136
1137         op->o_clientupdate = ctrl->ldctl_iscritical
1138                 ? SLAP_CRITICAL_CONTROL
1139                 : SLAP_NONCRITICAL_CONTROL;
1140
1141         return LDAP_SUCCESS;
1142 }
1143 #endif
1144
1145 #ifdef LDAP_SYNC
1146 static int parseLdupSync (
1147         Operation *op,
1148         SlapReply *rs,
1149         LDAPControl *ctrl )
1150 {
1151         ber_tag_t tag;
1152         BerElement *ber;
1153         ber_int_t mode;
1154         ber_len_t len;
1155         struct berval cookie = { 0, NULL };
1156
1157         if ( op->o_sync != SLAP_NO_CONTROL ) {
1158                 rs->sr_text = "LDAP Sync control specified multiple times";
1159                 return LDAP_PROTOCOL_ERROR;
1160         }
1161
1162 #ifdef LDAP_CLIENT_UPDATE
1163         if ( op->o_clientupdate != SLAP_NO_CONTROL ) {
1164                 rs->sr_text = "LDAP Sync and LDAP Client Update controls used together";
1165                 return LDAP_PROTOCOL_ERROR;
1166         }
1167 #endif
1168
1169         if ( ctrl->ldctl_value.bv_len == 0 ) {
1170                 rs->sr_text = "LDAP Sync control value is empty (or absent)";
1171                 return LDAP_PROTOCOL_ERROR;
1172         }
1173
1174         /* Parse the control value
1175          *      syncRequestValue ::= SEQUENCE {
1176          *              mode   ENUMERATED {
1177          *                      -- 0 unused
1178          *                      refreshOnly             (1),
1179          *                      -- 2 reserved
1180          *                      refreshAndPersist       (3)
1181          *              },
1182          *              cookie  syncCookie OPTIONAL
1183          *      }
1184          */
1185
1186         ber = ber_init( &ctrl->ldctl_value );
1187         if( ber == NULL ) {
1188                 rs->sr_text = "internal error";
1189                 return LDAP_OTHER;
1190         }
1191
1192         if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
1193                 rs->sr_text = "LDAP Sync control : mode decoding error";
1194                 return LDAP_PROTOCOL_ERROR;
1195         }
1196
1197         switch( mode ) {
1198         case LDAP_SYNC_REFRESH_ONLY:
1199                 mode = SLAP_SYNC_REFRESH;
1200                 break;
1201         case LDAP_SYNC_REFRESH_AND_PERSIST:
1202                 mode = SLAP_SYNC_REFRESH_AND_PERSIST;
1203                 break;
1204         default:
1205                 rs->sr_text = "LDAP Sync control : unknown update mode";
1206                 return LDAP_PROTOCOL_ERROR;
1207         }
1208
1209         tag = ber_peek_tag( ber, &len );
1210
1211         if ( tag == LDAP_SYNC_TAG_COOKIE ) {
1212                 if (( ber_scanf( ber, /*{*/ "m}",
1213                                         &cookie )) == LBER_ERROR ) {
1214                         rs->sr_text = "LDAP Sync control : cookie decoding error";
1215                         return LDAP_PROTOCOL_ERROR;
1216                 }
1217         } else {
1218                 if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
1219                         rs->sr_text = "LDAP Sync control : decoding error";
1220                         return LDAP_PROTOCOL_ERROR;
1221                 }
1222                 cookie.bv_len = 0;
1223                 cookie.bv_val = NULL;
1224         }
1225
1226         /* TODO : Cookie Scheme Validation */
1227 #if 0
1228         if ( lcup_cookie_scheme_validate(scheme) != LDAP_SUCCESS ) {
1229                 rs->sr_text = "Unsupported LCUP cookie scheme";
1230                 return LCUP_UNSUPPORTED_SCHEME;
1231         }
1232
1233         if ( lcup_cookie_validate(scheme, cookie) != LDAP_SUCCESS ) {
1234                 rs->sr_text = "Invalid LCUP cookie";
1235                 return LCUP_INVALID_COOKIE;
1236         }
1237 #endif
1238
1239         ber_dupbv( &op->o_sync_state, &cookie );
1240
1241         (void) ber_free( ber, 1 );
1242
1243         op->o_sync_mode = (char) mode;
1244
1245         op->o_sync = ctrl->ldctl_iscritical
1246                 ? SLAP_CRITICAL_CONTROL
1247                 : SLAP_NONCRITICAL_CONTROL;
1248
1249         return LDAP_SUCCESS;
1250 }
1251 #endif