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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright (c) 1995 Regents of the University of Michigan.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms are permitted
  11  * provided that this notice is preserved and that due credit is given
  12  * to the University of Michigan at Ann Arbor. The name of the University
  13  * may not be used to endorse or promote products derived from this
  14  * software without specific prior written permission. This software
  15  * is provided ``as is'' without express or implied warranty.
  16  */
  17
  18 #include "portable.h"
  19
  20 #include <stdio.h>
  21
  22 #include <ac/socket.h>
  23 #include <ac/string.h>
  24 #include <ac/time.h>
  25
  26 #include "ldap_pvt.h"
  27 #include "slap.h"
  28
  29
  30 int
  31 do_modify(
  32     Connection  *conn,
  33     Operation   *op )
  34 {
  35         char            *dn, *ndn = NULL;
  36         char            *last;
  37         ber_tag_t       tag;
  38         ber_len_t       len;
  39         LDAPModList     *modlist = NULL;
  40         LDAPModList     **modtail = &modlist;
  41 #ifdef LDAP_DEBUG
  42         LDAPModList *tmp;
  43 #endif
  44         Modifications *mods = NULL;
  45         Backend         *be;
  46         int rc;
  47         const char      *text;
  48         int manageDSAit;
  49
  50 #ifdef NEW_LOGGING
  51         LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
  52                    "do_modify: enter\n" ));
  53 #else
  54         Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
  55 #endif
  56
  57         /*
  58          * Parse the modify request.  It looks like this:
  59          *
  60          *      ModifyRequest := [APPLICATION 6] SEQUENCE {
  61          *              name    DistinguishedName,
  62          *              mods    SEQUENCE OF SEQUENCE {
  63          *                      operation       ENUMERATED {
  64          *                              add     (0),
  65          *                              delete  (1),
  66          *                              replace (2)
  67          *                      },
  68          *                      modification    SEQUENCE {
  69          *                              type    AttributeType,
  70          *                              values  SET OF AttributeValue
  71          *                      }
  72          *              }
  73          *      }
  74          */
  75
  76         if ( ber_scanf( op->o_ber, "{a" /*}*/, &dn ) == LBER_ERROR ) {
  77 #ifdef NEW_LOGGING
  78                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
  79                            "do_modify: ber_scanf failed\n" ));
  80 #else
  81                 Debug( LDAP_DEBUG_ANY, "do_modify: ber_scanf failed\n", 0, 0, 0 );
  82 #endif
  83
  84                 send_ldap_disconnect( conn, op,
  85                         LDAP_PROTOCOL_ERROR, "decoding error" );
  86                 return SLAPD_DISCONNECT;
  87         }
  88
  89 #ifdef NEW_LOGGING
  90         LDAP_LOG(( "operation", LDAP_LEVEL_ARGS,
  91                    "do_modify: dn (%s)\n", dn ));
  92 #else
  93         Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn, 0, 0 );
  94 #endif
  95
  96
  97         /* collect modifications & save for later */
  98
  99         for ( tag = ber_first_element( op->o_ber, &len, &last );
 100             tag != LBER_DEFAULT;
 101             tag = ber_next_element( op->o_ber, &len, last ) )
 102         {
 103                 ber_int_t mop;
 104
 105                 (*modtail) = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
 106
 107                 if ( ber_scanf( op->o_ber, "{i{a[V]}}", &mop,
 108                     &(*modtail)->ml_type, &(*modtail)->ml_bvalues )
 109                     == LBER_ERROR )
 110                 {
 111                         send_ldap_disconnect( conn, op,
 112                                 LDAP_PROTOCOL_ERROR, "decoding modlist error" );
 113                         rc = SLAPD_DISCONNECT;
 114                         goto cleanup;
 115                 }
 116
 117                 switch( mop ) {
 118                 case LDAP_MOD_ADD:
 119                         if ( (*modtail)->ml_bvalues == NULL ) {
 120 #ifdef NEW_LOGGING
 121                                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 122                                            "do_modify: modify/add operation (%ld) requires values\n",
 123                                            (long)mop ));
 124 #else
 125                                 Debug( LDAP_DEBUG_ANY,
 126                                         "do_modify: modify/add operation (%ld) requires values\n",
 127                                         (long) mop, 0, 0 );
 128 #endif
 129
 130                                 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR,
 131                                         NULL, "modify/add operation requires values",
 132                                         NULL, NULL );
 133                                 rc = LDAP_PROTOCOL_ERROR;
 134                                 goto cleanup;
 135                         }
 136
 137                         /* fall through */
 138
 139                 case LDAP_MOD_DELETE:
 140                 case LDAP_MOD_REPLACE:
 141                         break;
 142
 143                 default: {
 144 #ifdef NEW_LOGGING
 145                                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 146                                            "do_modify: invalid modify operation (%ld)\n",
 147                                            (long)mop ));
 148 #else
 149                                 Debug( LDAP_DEBUG_ANY,
 150                                         "do_modify: invalid modify operation (%ld)\n",
 151                                         (long) mop, 0, 0 );
 152 #endif
 153
 154                                 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR,
 155                                         NULL, "unrecognized modify operation", NULL, NULL );
 156                                 rc = LDAP_PROTOCOL_ERROR;
 157                                 goto cleanup;
 158                         }
 159                 }
 160
 161                 (*modtail)->ml_op = mop;
 162                 modtail = &(*modtail)->ml_next;
 163         }
 164         *modtail = NULL;
 165
 166         if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
 167 #ifdef NEW_LOGGING
 168                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 169                            "do_modify: get_ctrls failed\n" ));
 170 #else
 171                 Debug( LDAP_DEBUG_ANY, "do_modify: get_ctrls failed\n", 0, 0, 0 );
 172 #endif
 173
 174                 goto cleanup;
 175         }
 176
 177         ndn = ch_strdup( dn );
 178
 179         if(     dn_normalize( ndn ) == NULL ) {
 180 #ifdef NEW_LOGGING
 181                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 182                            "do_modify:  invalid dn (%s)\n", dn ));
 183 #else
 184                 Debug( LDAP_DEBUG_ANY, "do_modify: invalid dn (%s)\n", dn, 0, 0 );
 185 #endif
 186
 187                 send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
 188                     "invalid DN", NULL, NULL );
 189                 goto cleanup;
 190         }
 191
 192         if( *ndn == '\0' ) {
 193 #ifdef NEW_LOGGING
 194                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 195                            "do_modify: attempt to modify root DSE.\n" ));
 196 #else
 197                 Debug( LDAP_DEBUG_ANY, "do_modify: root dse!\n", 0, 0, 0 );
 198 #endif
 199
 200                 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 201                         NULL, "modify upon the root DSE not supported", NULL, NULL );
 202                 goto cleanup;
 203
 204 #if defined( SLAPD_SCHEMA_DN )
 205         } else if ( strcasecmp( ndn, SLAPD_SCHEMA_DN ) == 0 ) {
 206 #ifdef NEW_LOGGING
 207                 LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
 208                         "do_modify: attempt to modify subschema subentry.\n" ));
 209 #else
 210                 Debug( LDAP_DEBUG_ANY, "do_modify: subschema subentry!\n", 0, 0, 0 );
 211 #endif
 212
 213                 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 214                         NULL, "modification of subschema subentry not supported",
 215                         NULL, NULL );
 216                 goto cleanup;
 217 #endif
 218         }
 219
 220 #ifdef LDAP_DEBUG
 221 #ifdef NEW_LOGGING
 222         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
 223                 "do_modify: modifications:\n" ));
 224 #else
 225         Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
 226 #endif
 227
 228         for ( tmp = modlist; tmp != NULL; tmp = tmp->ml_next ) {
 229 #ifdef NEW_LOGGING
 230                 LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
 231                            "\t%s:  %s\n", tmp->ml_op == LDAP_MOD_ADD ?
 232                            "add" : (tmp->ml_op == LDAP_MOD_DELETE ?
 233                                     "delete" : "replace"), tmp->ml_type ));
 234
 235                 if ( tmp->ml_bvalues == NULL ) {
 236                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
 237                            "\t\tno values" ));
 238                 } else if ( tmp->ml_bvalues[0] == NULL ) {
 239                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
 240                            "\t\tzero values" ));
 241                 } else if ( tmp->ml_bvalues[1] == NULL ) {
 242                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
 243                            "\t\tone value" ));
 244                 } else {
 245                         LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
 246                            "\t\tmultiple values" ));
 247                 }
 248
 249 #else
 250                 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
 251                         tmp->ml_op == LDAP_MOD_ADD
 252                                 ? "add" : (tmp->ml_op == LDAP_MOD_DELETE
 253                                         ? "delete" : "replace"), tmp->ml_type, 0 );
 254
 255                 if ( tmp->ml_bvalues == NULL ) {
 256                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 257                            "\t\tno values", NULL, NULL );
 258                 } else if ( tmp->ml_bvalues[0] == NULL ) {
 259                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 260                            "\t\tzero values", NULL, NULL );
 261                 } else if ( tmp->ml_bvalues[1] == NULL ) {
 262                         Debug( LDAP_DEBUG_ARGS, "%s, length %ld\n",
 263                            "\t\tone value", (long) tmp->ml_bvalues[0]->bv_len, NULL );
 264                 } else {
 265                         Debug( LDAP_DEBUG_ARGS, "%s\n",
 266                            "\t\tmultiple values", NULL, NULL );
 267                 }
 268 #endif
 269         }
 270 #endif
 271
 272         Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MOD dn=\"%s\"\n",
 273             op->o_connid, op->o_opid, dn, 0, 0 );
 274
 275         manageDSAit = get_manageDSAit( op );
 276
 277         /*
 278          * We could be serving multiple database backends.  Select the
 279          * appropriate one, or send a referral to our "referral server"
 280          * if we don't hold it.
 281          */
 282         if ( (be = select_backend( ndn, manageDSAit )) == NULL ) {
 283                 struct berval **ref = referral_rewrite( default_referral,
 284                         NULL, dn, LDAP_SCOPE_DEFAULT );
 285
 286                 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
 287                         NULL, NULL, ref ? ref : default_referral, NULL );
 288
 289                 ber_bvecfree( ref );
 290                 goto cleanup;
 291         }
 292
 293         /* check restrictions */
 294         rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
 295         if( rc != LDAP_SUCCESS ) {
 296                 send_ldap_result( conn, op, rc,
 297                         NULL, text, NULL, NULL );
 298                 goto cleanup;
 299         }
 300
 301         /* check for referrals */
 302         rc = backend_check_referrals( be, conn, op, dn, ndn );
 303         if ( rc != LDAP_SUCCESS ) {
 304                 goto cleanup;
 305         }
 306
 307         /* deref suffix alias if appropriate */
 308         ndn = suffix_alias( be, ndn );
 309
 310         /*
 311          * do the modify if 1 && (2 || 3)
 312          * 1) there is a modify function implemented in this backend;
 313          * 2) this backend is master for what it holds;
 314          * 3) it's a replica and the dn supplied is the update_ndn.
 315          */
 316         if ( be->be_modify ) {
 317                 /* do the update here */
 318                 int repl_user = be_isupdate( be, op->o_ndn );
 319 #ifndef SLAPD_MULTIMASTER
 320                 /* Multimaster slapd does not have to check for replicator dn
 321                  * because it accepts each modify request
 322                  */
 323                 if ( be->be_update_ndn == NULL || repl_user )
 324 #endif
 325                 {
 326                         int update = be->be_update_ndn != NULL;
 327                         const char *text;
 328                         char textbuf[SLAP_TEXT_BUFLEN];
 329                         size_t textlen = sizeof textbuf;
 330
 331                         rc = slap_modlist2mods( modlist, update, &mods, &text,
 332                                 textbuf, textlen );
 333
 334                         if( rc != LDAP_SUCCESS ) {
 335                                 send_ldap_result( conn, op, rc,
 336                                         NULL, text, NULL, NULL );
 337                                 goto cleanup;
 338                         }
 339
 340                         if ( (be->be_lastmod == ON || (be->be_lastmod == UNDEFINED &&
 341                                 global_lastmod == ON)) && !repl_user )
 342                         {
 343                                 Modifications **modstail;
 344                                 for( modstail = &mods;
 345                                         *modstail != NULL;
 346                                         modstail = &(*modstail)->sml_next )
 347                                 {
 348                                         /* empty */
 349                                 }
 350                                 rc = slap_mods_opattrs( op, modstail, &text );
 351
 352                                 if( rc != LDAP_SUCCESS ) {
 353                                         send_ldap_result( conn, op, rc,
 354                                                 NULL, text,
 355                                                 NULL, NULL );
 356                                         goto cleanup;
 357                                 }
 358                         }
 359
 360                         if ( (*be->be_modify)( be, conn, op, dn, ndn, mods ) == 0
 361 #ifdef SLAPD_MULTIMASTER
 362                                 && !repl_user
 363 #endif
 364                         ) {
 365                                 /* but we log only the ones not from a replicator user */
 366                                 replog( be, op, dn, mods );
 367                         }
 368
 369 #ifndef SLAPD_MULTIMASTER
 370                 /* send a referral */
 371                 } else {
 372                         struct berval **defref = be->be_update_refs
 373                                 ? be->be_update_refs : default_referral;
 374                         struct berval **ref = referral_rewrite( defref,
 375                                 NULL, dn, LDAP_SCOPE_DEFAULT );
 376
 377                         send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
 378                                 ref ? ref : defref, NULL );
 379
 380                         ber_bvecfree( ref );
 381 #endif
 382                 }
 383         } else {
 384                 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
 385                     NULL, "operation not supported within namingContext", NULL, NULL );
 386         }
 387
 388 cleanup:
 389         free( dn );
 390         if( ndn != NULL ) free( ndn );
 391         if ( modlist != NULL )
 392                 slap_modlist_free( modlist );
 393         if ( mods != NULL )
 394                 slap_mods_free( mods );
 395         return rc;
 396 }
 397
 398 /*
 399  * convert a raw list of modifications to internal format
 400  * Do basic attribute type checking and syntax validation.
 401  */
 402 int slap_modlist2mods(
 403         LDAPModList *ml,
 404         int update,
 405         Modifications **mods,
 406         const char **text,
 407         char *textbuf,
 408         size_t textlen )
 409 {
 410         int rc;
 411         Modifications **modtail = mods;
 412
 413         for( ; ml != NULL; ml = ml->ml_next ) {
 414                 Modifications *mod;
 415                 AttributeDescription *ad = NULL;
 416
 417                 mod = (Modifications *)
 418                         ch_calloc( 1, sizeof(Modifications) );
 419
 420                 /* copy the op */
 421                 mod->sml_op = ml->ml_op;
 422
 423                 /* convert to attribute description */
 424                 rc = slap_str2ad( ml->ml_type, &mod->sml_desc, text );
 425
 426                 if( rc != LDAP_SUCCESS ) {
 427                         slap_mods_free( mod );
 428                         snprintf( textbuf, textlen, "%s: %s",
 429                                 ml->ml_type, *text );
 430                         *text = textbuf;
 431                         return rc;
 432                 }
 433
 434                 ad = mod->sml_desc;
 435
 436                 if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
 437                         && !slap_ad_is_binary( ad ))
 438                 {
 439                         /* attribute requires binary transfer */
 440                         slap_mods_free( mod );
 441
 442                         snprintf( textbuf, textlen,
 443                                 "%s: requires ;binary transfer",
 444                                 ml->ml_type );
 445                         *text = textbuf;
 446                         return LDAP_UNDEFINED_TYPE;
 447                 }
 448
 449                 if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
 450                         && slap_ad_is_binary( ad ))
 451                 {
 452                         /* attribute requires binary transfer */
 453                         slap_mods_free( mod );
 454                         snprintf( textbuf, textlen,
 455                                 "%s: disallows ;binary transfer",
 456                                 ml->ml_type );
 457                         *text = textbuf;
 458                         return LDAP_UNDEFINED_TYPE;
 459                 }
 460
 461                 if (!update && is_at_no_user_mod( ad->ad_type )) {
 462                         /* user modification disallowed */
 463                         slap_mods_free( mod );
 464                         snprintf( textbuf, textlen,
 465                                 "%s: no user modification allowed",
 466                                 ml->ml_type );
 467                         *text = textbuf;
 468                         return LDAP_CONSTRAINT_VIOLATION;
 469                 }
 470
 471                 if ( is_at_obsolete( ad->ad_type ) &&
 472                         ( mod->sml_op == LDAP_MOD_ADD || ml->ml_bvalues != NULL ) )
 473                 {
 474                         /*
 475                          * attribute is obsolete,
 476                          * only allow replace/delete with no values
 477                          */
 478                         slap_mods_free( mod );
 479                         snprintf( textbuf, textlen,
 480                                 "%s: attribute is obsolete",
 481                                 ml->ml_type );
 482                         *text = textbuf;
 483                         return LDAP_CONSTRAINT_VIOLATION;
 484                 }
 485
 486                 /*
 487                  * check values
 488                  */
 489                 if( ml->ml_bvalues != NULL ) {
 490                         ber_len_t nvals;
 491                         slap_syntax_validate_func *validate =
 492                                 ad->ad_type->sat_syntax->ssyn_validate;
 493
 494                         if( !validate ) {
 495                                 slap_mods_free( mod );
 496                                 *text = "no validator for syntax";
 497                                 snprintf( textbuf, textlen,
 498                                         "%s: no validator for syntax %s",
 499                                         ml->ml_type,
 500                                         ad->ad_type->sat_syntax->ssyn_oid );
 501                                 *text = textbuf;
 502                                 return LDAP_INVALID_SYNTAX;
 503                         }
 504
 505                         /*
 506                          * check that each value is valid per syntax
 507                          */
 508                         for( nvals = 0; ml->ml_bvalues[nvals]; nvals++ ) {
 509                                 rc = validate( ad->ad_type->sat_syntax, ml->ml_bvalues[nvals] );
 510
 511                                 if( rc != 0 ) {
 512                                         slap_mods_free( mod );
 513                                         snprintf( textbuf, textlen,
 514                                                 "%s: value #%ld invalid per syntax",
 515                                                 ml->ml_type, (long) nvals );
 516                                         *text = textbuf;
 517                                         return LDAP_INVALID_SYNTAX;
 518                                 }
 519                         }
 520
 521                         /*
 522                          * a rough single value check... an additional check is needed
 523                          * to catch add of single value to existing single valued attribute
 524                          */
 525                         if( ( mod->sml_op == LDAP_MOD_ADD || mod->sml_op == LDAP_MOD_REPLACE )
 526                                 && nvals > 1 && is_at_single_value( ad->ad_type ))
 527                         {
 528                                 slap_mods_free( mod );
 529                                 snprintf( textbuf, textlen,
 530                                         "%s: multiple value provided",
 531                                         ml->ml_type );
 532                                 *text = textbuf;
 533                                 return LDAP_CONSTRAINT_VIOLATION;
 534                         }
 535                 }
 536
 537                 mod->sml_bvalues = ml->ml_bvalues;
 538                 ml->ml_values = NULL;
 539
 540                 *modtail = mod;
 541                 modtail = &mod->sml_next;
 542         }
 543
 544         return LDAP_SUCCESS;
 545 }
 546
 547 int slap_mods_opattrs(
 548         Operation *op,
 549         Modifications **modtail,
 550         const char **text )
 551 {
 552         struct berval name, timestamp, csn;
 553         time_t now = slap_get_time();
 554         char timebuf[22];
 555         char csnbuf[128];
 556         struct tm *ltm;
 557         Modifications *mod;
 558
 559         int mop = op->o_tag == LDAP_REQ_ADD
 560                 ? LDAP_MOD_ADD : LDAP_MOD_REPLACE;
 561
 562         assert( modtail != NULL );
 563         assert( *modtail == NULL );
 564
 565         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 566         ltm = gmtime( &now );
 567         strftime( timebuf, sizeof(timebuf), "%Y%m%d%H%M%SZ", ltm );
 568
 569         csn.bv_len = lutil_csnstr( csnbuf, sizeof( csnbuf ), 0, 0 );
 570         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 571         csn.bv_val = csnbuf;
 572
 573         timestamp.bv_val = timebuf;
 574         timestamp.bv_len = strlen(timebuf);
 575
 576         if( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
 577                 name.bv_val = SLAPD_ANONYMOUS;
 578                 name.bv_len = sizeof(SLAPD_ANONYMOUS)-1;
 579         } else {
 580                 name.bv_val = op->o_dn;
 581                 name.bv_len = strlen( op->o_dn );
 582         }
 583
 584         if( op->o_tag == LDAP_REQ_ADD ) {
 585                 struct berval uuid;
 586                 char uuidbuf[64];
 587
 588                 uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ) );
 589                 uuid.bv_val = uuidbuf;
 590
 591                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
 592                 mod->sml_op = mop;
 593                 mod->sml_desc = slap_schema.si_ad_entryUUID;
 594                 mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
 595                 mod->sml_bvalues[0] = ber_bvdup( &uuid );
 596                 mod->sml_bvalues[1] = NULL;
 597                 assert( mod->sml_bvalues[0] );
 598                 *modtail = mod;
 599                 modtail = &mod->sml_next;
 600
 601                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
 602                 mod->sml_op = mop;
 603                 mod->sml_desc = slap_schema.si_ad_creatorsName;
 604                 mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
 605                 mod->sml_bvalues[0] = ber_bvdup( &name );
 606                 mod->sml_bvalues[1] = NULL;
 607                 assert( mod->sml_bvalues[0] );
 608                 *modtail = mod;
 609                 modtail = &mod->sml_next;
 610
 611                 mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
 612                 mod->sml_op = mop;
 613                 mod->sml_desc = slap_schema.si_ad_createTimestamp;
 614                 mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof( struct berval * ) );
 615                 mod->sml_bvalues[0] = ber_bvdup( &timestamp );
 616                 mod->sml_bvalues[1] = NULL;
 617                 assert( mod->sml_bvalues[0] );
 618                 *modtail = mod;
 619                 modtail = &mod->sml_next;
 620         }
 621
 622         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
 623         mod->sml_op = mop;
 624         mod->sml_desc = slap_schema.si_ad_entryCSN;
 625         mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof(struct berval *) );
 626         mod->sml_bvalues[0] = ber_bvdup( &csn );
 627         mod->sml_bvalues[1] = NULL;
 628         assert( mod->sml_bvalues[0] );
 629         *modtail = mod;
 630         modtail = &mod->sml_next;
 631
 632         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
 633         mod->sml_op = mop;
 634         mod->sml_desc = slap_schema.si_ad_modifiersName;
 635         mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof(struct berval *) );
 636         mod->sml_bvalues[0] = ber_bvdup( &name );
 637         mod->sml_bvalues[1] = NULL;
 638         assert( mod->sml_bvalues[0] );
 639         *modtail = mod;
 640         modtail = &mod->sml_next;
 641
 642         mod = (Modifications *) ch_calloc( 1, sizeof( Modifications ) );
 643         mod->sml_op = mop;
 644         mod->sml_desc = slap_schema.si_ad_modifyTimestamp;
 645         mod->sml_bvalues = (struct berval **) malloc( 2 * sizeof(struct berval *) );
 646         mod->sml_bvalues[0] = ber_bvdup( &timestamp );
 647         mod->sml_bvalues[1] = NULL;
 648         assert( mod->sml_bvalues[0] );
 649         *modtail = mod;
 650         modtail = &mod->sml_next;
 651
 652         return LDAP_SUCCESS;
 653 }
 654