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

   1 /* schema_check.c - routines to enforce schema definitions */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2007 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20
  21 #include <ac/ctype.h>
  22 #include <ac/string.h>
  23 #include <ac/socket.h>
  24
  25 #include "slap.h"
  26
  27 static char * oc_check_required(
  28         Entry *e,
  29         ObjectClass *oc,
  30         struct berval *ocname );
  31
  32 static int entry_naming_check(
  33         Entry *e,
  34         int manage,
  35         const char** text,
  36         char *textbuf, size_t textlen );
  37 /*
  38  * entry_schema_check - check that entry e conforms to the schema required
  39  * by its object class(es).
  40  *
  41  * returns 0 if so, non-zero otherwise.
  42  */
  43
  44 int
  45 entry_schema_check(
  46         Operation *op,
  47         Entry *e,
  48         Attribute *oldattrs,
  49         int manage,
  50         int add_soc,
  51         const char** text,
  52         char *textbuf, size_t textlen )
  53 {
  54         Attribute       *a, *asc = NULL, *aoc = NULL;
  55         ObjectClass *sc, *oc, **socs = NULL;
  56         AttributeType *at;
  57         ContentRule *cr;
  58         int     rc, i;
  59         AttributeDescription *ad_structuralObjectClass
  60                 = slap_schema.si_ad_structuralObjectClass;
  61         AttributeDescription *ad_objectClass
  62                 = slap_schema.si_ad_objectClass;
  63         int extensible = 0;
  64         int subentry = is_entry_subentry( e );
  65         int collectiveSubentry = 0;
  66
  67         if ( SLAP_NO_SCHEMA_CHECK( op->o_bd )) {
  68                 return LDAP_SUCCESS;
  69         }
  70
  71         if ( get_no_schema_check( op ) ) {
  72                 return LDAP_SUCCESS;
  73         }
  74
  75         if( subentry ) {
  76                 collectiveSubentry = is_entry_collectiveAttributeSubentry( e );
  77         }
  78
  79         *text = textbuf;
  80
  81         /* misc attribute checks */
  82         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
  83                 const char *type = a->a_desc->ad_cname.bv_val;
  84
  85                 /* there should be at least one value */
  86                 assert( a->a_vals != NULL );
  87                 assert( a->a_vals[0].bv_val != NULL );
  88
  89                 if( a->a_desc->ad_type->sat_check ) {
  90                         rc = (a->a_desc->ad_type->sat_check)(
  91                                 op->o_bd, e, a, text, textbuf, textlen );
  92                         if( rc != LDAP_SUCCESS ) {
  93                                 return rc;
  94                         }
  95                 }
  96
  97                 if( a->a_desc == ad_structuralObjectClass )
  98                         asc = a;
  99                 else if ( a->a_desc == ad_objectClass )
 100                         aoc = a;
 101
 102                 if( !collectiveSubentry && is_at_collective( a->a_desc->ad_type ) ) {
 103                         snprintf( textbuf, textlen,
 104                                 "'%s' can only appear in collectiveAttributeSubentry",
 105                                 type );
 106                         return LDAP_OBJECT_CLASS_VIOLATION;
 107                 }
 108
 109                 /* if single value type, check for multiple values */
 110                 if( is_at_single_value( a->a_desc->ad_type ) &&
 111                         a->a_vals[1].bv_val != NULL )
 112                 {
 113                         snprintf( textbuf, textlen,
 114                                 "attribute '%s' cannot have multiple values",
 115                                 type );
 116
 117                         Debug( LDAP_DEBUG_ANY,
 118                             "Entry (%s), %s\n",
 119                             e->e_dn, textbuf, 0 );
 120
 121                         return LDAP_CONSTRAINT_VIOLATION;
 122                 }
 123         }
 124
 125         /* check the object class attribute */
 126         if ( aoc == NULL ) {
 127                 Debug( LDAP_DEBUG_ANY, "No objectClass for entry (%s)\n",
 128                     e->e_dn, 0, 0 );
 129
 130                 *text = "no objectClass attribute";
 131                 return LDAP_OBJECT_CLASS_VIOLATION;
 132         }
 133
 134         assert( aoc->a_vals != NULL );
 135         assert( aoc->a_vals[0].bv_val != NULL );
 136
 137         /* check the structural object class attribute */
 138         if ( asc == NULL && !add_soc ) {
 139                 Debug( LDAP_DEBUG_ANY,
 140                         "No structuralObjectClass for entry (%s)\n",
 141                     e->e_dn, 0, 0 );
 142
 143                 *text = "no structuralObjectClass operational attribute";
 144                 return LDAP_OTHER;
 145         }
 146
 147         rc = structural_class( aoc->a_vals, &oc, &socs, text, textbuf, textlen,
 148                 op->o_tmpmemctx );
 149         if( rc != LDAP_SUCCESS ) {
 150                 return rc;
 151         }
 152
 153         if ( asc == NULL && add_soc ) {
 154                 attr_merge_one( e, ad_structuralObjectClass, &oc->soc_cname, NULL );
 155                 asc = attr_find( e->e_attrs, ad_structuralObjectClass );
 156                 sc = oc;
 157                 goto got_soc;
 158         }
 159
 160         assert( asc->a_vals != NULL );
 161         assert( asc->a_vals[0].bv_val != NULL );
 162         assert( asc->a_vals[1].bv_val == NULL );
 163
 164         sc = oc_bvfind( &asc->a_vals[0] );
 165         if( sc == NULL ) {
 166                 snprintf( textbuf, textlen,
 167                         "unrecognized structuralObjectClass '%s'",
 168                         asc->a_vals[0].bv_val );
 169
 170                 Debug( LDAP_DEBUG_ANY,
 171                         "entry_check_schema(%s): %s\n",
 172                         e->e_dn, textbuf, 0 );
 173
 174                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 175                 goto leave;
 176         }
 177
 178         if( sc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
 179                 snprintf( textbuf, textlen,
 180                         "structuralObjectClass '%s' is not STRUCTURAL",
 181                         asc->a_vals[0].bv_val );
 182
 183                 Debug( LDAP_DEBUG_ANY,
 184                         "entry_check_schema(%s): %s\n",
 185                         e->e_dn, textbuf, 0 );
 186
 187                 rc = LDAP_OTHER;
 188                 goto leave;
 189         }
 190
 191 got_soc:
 192         if( !manage && sc->soc_obsolete ) {
 193                 snprintf( textbuf, textlen,
 194                         "structuralObjectClass '%s' is OBSOLETE",
 195                         asc->a_vals[0].bv_val );
 196
 197                 Debug( LDAP_DEBUG_ANY,
 198                         "entry_check_schema(%s): %s\n",
 199                         e->e_dn, textbuf, 0 );
 200
 201                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 202                 goto leave;
 203         }
 204
 205         *text = textbuf;
 206
 207         if ( oc == NULL ) {
 208                 snprintf( textbuf, textlen,
 209                         "unrecognized objectClass '%s'",
 210                         aoc->a_vals[0].bv_val );
 211                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 212                 goto leave;
 213
 214         } else if ( sc != slap_schema.si_oc_glue && sc != oc ) {
 215                 snprintf( textbuf, textlen,
 216                         "structural object class modification "
 217                         "from '%s' to '%s' not allowed",
 218                         asc->a_vals[0].bv_val, oc->soc_cname.bv_val );
 219                 rc = LDAP_NO_OBJECT_CLASS_MODS;
 220                 goto leave;
 221         } else if ( sc == slap_schema.si_oc_glue ) {
 222                 sc = oc;
 223         }
 224
 225         /* naming check */
 226         if ( !is_entry_glue ( e ) ) {
 227                 rc = entry_naming_check( e, manage, text, textbuf, textlen );
 228                 if( rc != LDAP_SUCCESS ) {
 229                         goto leave;
 230                 }
 231         } else {
 232                 /* Glue Entry */
 233         }
 234
 235         /* find the content rule for the structural class */
 236         cr = cr_find( sc->soc_oid );
 237
 238         /* the cr must be same as the structural class */
 239         assert( !cr || !strcmp( cr->scr_oid, sc->soc_oid ) );
 240
 241         /* check that the entry has required attrs of the content rule */
 242         if( cr ) {
 243                 if( !manage && cr->scr_obsolete ) {
 244                         snprintf( textbuf, textlen,
 245                                 "content rule '%s' is obsolete",
 246                                 ldap_contentrule2name( &cr->scr_crule ));
 247
 248                         Debug( LDAP_DEBUG_ANY,
 249                                 "Entry (%s): %s\n",
 250                                 e->e_dn, textbuf, 0 );
 251
 252                         rc = LDAP_OBJECT_CLASS_VIOLATION;
 253                         goto leave;
 254                 }
 255
 256                 if( cr->scr_required ) for( i=0; cr->scr_required[i]; i++ ) {
 257                         at = cr->scr_required[i];
 258
 259                         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 260                                 if( a->a_desc->ad_type == at ) {
 261                                         break;
 262                                 }
 263                         }
 264
 265                         /* not there => schema violation */
 266                         if ( a == NULL ) {
 267                                 snprintf( textbuf, textlen,
 268                                         "content rule '%s' requires attribute '%s'",
 269                                         ldap_contentrule2name( &cr->scr_crule ),
 270                                         at->sat_cname.bv_val );
 271
 272                                 Debug( LDAP_DEBUG_ANY,
 273                                         "Entry (%s): %s\n",
 274                                         e->e_dn, textbuf, 0 );
 275
 276                                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 277                                 goto leave;
 278                         }
 279                 }
 280
 281                 if( cr->scr_precluded ) for( i=0; cr->scr_precluded[i]; i++ ) {
 282                         at = cr->scr_precluded[i];
 283
 284                         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 285                                 if( a->a_desc->ad_type == at ) {
 286                                         break;
 287                                 }
 288                         }
 289
 290                         /* there => schema violation */
 291                         if ( a != NULL ) {
 292                                 snprintf( textbuf, textlen,
 293                                         "content rule '%s' precluded attribute '%s'",
 294                                         ldap_contentrule2name( &cr->scr_crule ),
 295                                         at->sat_cname.bv_val );
 296
 297                                 Debug( LDAP_DEBUG_ANY,
 298                                         "Entry (%s): %s\n",
 299                                         e->e_dn, textbuf, 0 );
 300
 301                                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 302                                 goto leave;
 303                         }
 304                 }
 305         }
 306
 307         /* check that the entry has required attrs for each oc */
 308         for ( i = 0; socs[i]; i++ ) {
 309                 oc = socs[i];
 310                 if ( !manage && oc->soc_obsolete ) {
 311                         /* disallow obsolete classes */
 312                         snprintf( textbuf, textlen,
 313                                 "objectClass '%s' is OBSOLETE",
 314                                 aoc->a_vals[i].bv_val );
 315
 316                         Debug( LDAP_DEBUG_ANY,
 317                                 "entry_check_schema(%s): %s\n",
 318                                 e->e_dn, textbuf, 0 );
 319
 320                         rc = LDAP_OBJECT_CLASS_VIOLATION;
 321                         goto leave;
 322                 }
 323
 324                 if ( oc->soc_check ) {
 325                         rc = (oc->soc_check)( op->o_bd, e, oc,
 326                                 text, textbuf, textlen );
 327                         if( rc != LDAP_SUCCESS ) {
 328                                 goto leave;
 329                         }
 330                 }
 331
 332                 if ( oc->soc_kind == LDAP_SCHEMA_ABSTRACT ) {
 333                         /* object class is abstract */
 334                         if ( oc != slap_schema.si_oc_top &&
 335                                 !is_object_subclass( oc, sc ))
 336                         {
 337                                 int j;
 338                                 ObjectClass *xc = NULL;
 339                                 for( j=0; socs[j]; j++ ) {
 340                                         if( i != j ) {
 341                                                 xc = socs[j];
 342
 343                                                 /* since we previous check against the
 344                                                  * structural object of this entry, the
 345                                                  * abstract class must be a (direct or indirect)
 346                                                  * superclass of one of the auxiliary classes of
 347                                                  * the entry.
 348                                                  */
 349                                                 if ( xc->soc_kind == LDAP_SCHEMA_AUXILIARY &&
 350                                                         is_object_subclass( oc, xc ) )
 351                                                 {
 352                                                         xc = NULL;
 353                                                         break;
 354                                                 }
 355                                         }
 356                                 }
 357
 358                                 if( xc == NULL ) {
 359                                         snprintf( textbuf, textlen, "instanstantiation of "
 360                                                 "abstract objectClass '%s' not allowed",
 361                                                 aoc->a_vals[i].bv_val );
 362
 363                                         Debug( LDAP_DEBUG_ANY,
 364                                                 "entry_check_schema(%s): %s\n",
 365                                                 e->e_dn, textbuf, 0 );
 366
 367                                         rc = LDAP_OBJECT_CLASS_VIOLATION;
 368                                         goto leave;
 369                                 }
 370                         }
 371
 372                 } else if ( oc->soc_kind != LDAP_SCHEMA_STRUCTURAL || oc == sc ) {
 373                         char *s;
 374
 375                         if( oc->soc_kind == LDAP_SCHEMA_AUXILIARY ) {
 376                                 int k;
 377
 378                                 if( cr ) {
 379                                         int j;
 380
 381                                         k = -1;
 382                                         if( cr->scr_auxiliaries ) {
 383                                                 for( j = 0; cr->scr_auxiliaries[j]; j++ ) {
 384                                                         if( cr->scr_auxiliaries[j] == oc ) {
 385                                                                 k = 0;
 386                                                                 break;
 387                                                         }
 388                                                 }
 389                                         }
 390                                         snprintf( textbuf, textlen,
 391                                                 "class '%s' not allowed by content rule '%s'",
 392                                                 oc->soc_cname.bv_val,
 393                                                 ldap_contentrule2name( &cr->scr_crule ) );
 394                                 } else if ( global_disallows & SLAP_DISALLOW_AUX_WO_CR ) {
 395                                         k = -1;
 396                                         snprintf( textbuf, textlen,
 397                                                 "class '%s' not allowed by any content rule",
 398                                                 oc->soc_cname.bv_val );
 399                                 } else {
 400                                         k = 0;
 401                                 }
 402
 403                                 if( k == -1 ) {
 404                                         Debug( LDAP_DEBUG_ANY,
 405                                                 "Entry (%s): %s\n",
 406                                                 e->e_dn, textbuf, 0 );
 407
 408                                         rc = LDAP_OBJECT_CLASS_VIOLATION;
 409                                         goto leave;
 410                                 }
 411                         }
 412
 413                         s = oc_check_required( e, oc, &aoc->a_vals[i] );
 414                         if (s != NULL) {
 415                                 snprintf( textbuf, textlen,
 416                                         "object class '%s' requires attribute '%s'",
 417                                         aoc->a_vals[i].bv_val, s );
 418
 419                                 Debug( LDAP_DEBUG_ANY,
 420                                         "Entry (%s): %s\n",
 421                                         e->e_dn, textbuf, 0 );
 422
 423                                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 424                                 goto leave;
 425                         }
 426
 427                         if( oc == slap_schema.si_oc_extensibleObject ) {
 428                                 extensible=1;
 429                         }
 430                 }
 431         }
 432
 433         if( extensible ) {
 434                 *text = NULL;
 435                 rc = LDAP_SUCCESS;
 436                 goto leave;
 437         }
 438
 439         /* check that each attr in the entry is allowed by some oc */
 440         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 441                 rc = LDAP_OBJECT_CLASS_VIOLATION;
 442
 443                 if( cr && cr->scr_required ) {
 444                         for( i=0; cr->scr_required[i]; i++ ) {
 445                                 if( cr->scr_required[i] == a->a_desc->ad_type ) {
 446                                         rc = LDAP_SUCCESS;
 447                                         break;
 448                                 }
 449                         }
 450                 }
 451
 452                 if( rc != LDAP_SUCCESS && cr && cr->scr_allowed ) {
 453                         for( i=0; cr->scr_allowed[i]; i++ ) {
 454                                 if( cr->scr_allowed[i] == a->a_desc->ad_type ) {
 455                                         rc = LDAP_SUCCESS;
 456                                         break;
 457                                 }
 458                         }
 459                 }
 460
 461                 if( rc != LDAP_SUCCESS )
 462                 {
 463                         rc = oc_check_allowed( a->a_desc->ad_type, socs, sc );
 464                 }
 465
 466                 if ( rc != LDAP_SUCCESS ) {
 467                         char *type = a->a_desc->ad_cname.bv_val;
 468
 469                         snprintf( textbuf, textlen,
 470                                 "attribute '%s' not allowed",
 471                                 type );
 472
 473                         Debug( LDAP_DEBUG_ANY,
 474                             "Entry (%s), %s\n",
 475                             e->e_dn, textbuf, 0 );
 476
 477                         goto leave;
 478                 }
 479         }
 480
 481         *text = NULL;
 482 leave:
 483         slap_sl_free( socs, op->o_tmpmemctx );
 484         return rc;
 485 }
 486
 487 static char *
 488 oc_check_required(
 489         Entry *e,
 490         ObjectClass *oc,
 491         struct berval *ocname )
 492 {
 493         AttributeType   *at;
 494         int             i;
 495         Attribute       *a;
 496
 497         Debug( LDAP_DEBUG_TRACE,
 498                 "oc_check_required entry (%s), objectClass \"%s\"\n",
 499                 e->e_dn, ocname->bv_val, 0 );
 500
 501
 502         /* check for empty oc_required */
 503         if(oc->soc_required == NULL) {
 504                 return NULL;
 505         }
 506
 507         /* for each required attribute */
 508         for ( i = 0; oc->soc_required[i] != NULL; i++ ) {
 509                 at = oc->soc_required[i];
 510                 /* see if it's in the entry */
 511                 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 512                         if( a->a_desc->ad_type == at ) {
 513                                 break;
 514                         }
 515                 }
 516                 /* not there => schema violation */
 517                 if ( a == NULL ) {
 518                         return at->sat_cname.bv_val;
 519                 }
 520         }
 521
 522         return( NULL );
 523 }
 524
 525 int oc_check_allowed(
 526         AttributeType *at,
 527         ObjectClass **socs,
 528         ObjectClass *sc )
 529 {
 530         int             i, j;
 531
 532         Debug( LDAP_DEBUG_TRACE,
 533                 "oc_check_allowed type \"%s\"\n",
 534                 at->sat_cname.bv_val, 0, 0 );
 535
 536         /* always allow objectClass attribute */
 537         if ( strcasecmp( at->sat_cname.bv_val, "objectClass" ) == 0 ) {
 538                 return LDAP_SUCCESS;
 539         }
 540
 541         /*
 542          * All operational attributions are allowed by schema rules.
 543          */
 544         if( is_at_operational(at) ) {
 545                 return LDAP_SUCCESS;
 546         }
 547
 548         /* check to see if its allowed by the structuralObjectClass */
 549         if( sc ) {
 550                 /* does it require the type? */
 551                 for ( j = 0; sc->soc_required != NULL &&
 552                         sc->soc_required[j] != NULL; j++ )
 553                 {
 554                         if( at == sc->soc_required[j] ) {
 555                                 return LDAP_SUCCESS;
 556                         }
 557                 }
 558
 559                 /* does it allow the type? */
 560                 for ( j = 0; sc->soc_allowed != NULL &&
 561                         sc->soc_allowed[j] != NULL; j++ )
 562                 {
 563                         if( at == sc->soc_allowed[j] ) {
 564                                 return LDAP_SUCCESS;
 565                         }
 566                 }
 567         }
 568
 569         /* check that the type appears as req or opt in at least one oc */
 570         for ( i = 0; socs[i]; i++ ) {
 571                 /* if we know about the oc */
 572                 ObjectClass     *oc = socs[i];
 573                 if ( oc != NULL && oc->soc_kind != LDAP_SCHEMA_ABSTRACT &&
 574                         ( sc == NULL || oc->soc_kind == LDAP_SCHEMA_AUXILIARY ))
 575                 {
 576                         /* does it require the type? */
 577                         for ( j = 0; oc->soc_required != NULL &&
 578                                 oc->soc_required[j] != NULL; j++ )
 579                         {
 580                                 if( at == oc->soc_required[j] ) {
 581                                         return LDAP_SUCCESS;
 582                                 }
 583                         }
 584                         /* does it allow the type? */
 585                         for ( j = 0; oc->soc_allowed != NULL &&
 586                                 oc->soc_allowed[j] != NULL; j++ )
 587                         {
 588                                 if( at == oc->soc_allowed[j] ) {
 589                                         return LDAP_SUCCESS;
 590                                 }
 591                         }
 592                 }
 593         }
 594
 595         /* not allowed by any oc */
 596         return LDAP_OBJECT_CLASS_VIOLATION;
 597 }
 598
 599 /*
 600  * Determine the structural object class from a set of OIDs
 601  */
 602 int structural_class(
 603         BerVarray ocs,
 604         ObjectClass **scp,
 605         ObjectClass ***socsp,
 606         const char **text,
 607         char *textbuf, size_t textlen,
 608         void *ctx )
 609 {
 610         int i, nocs;
 611         ObjectClass *oc, **socs;
 612         ObjectClass *sc = NULL;
 613         int scn = -1;
 614
 615         *text = "structural_class: internal error";
 616
 617         /* count them */
 618         for( i=0; ocs[i].bv_val; i++ ) ;
 619         nocs = i;
 620
 621         socs = slap_sl_malloc( (nocs+1) * sizeof(ObjectClass *), ctx );
 622
 623         for( i=0; ocs[i].bv_val; i++ ) {
 624                 socs[i] = oc_bvfind( &ocs[i] );
 625
 626                 if( socs[i] == NULL ) {
 627                         snprintf( textbuf, textlen,
 628                                 "unrecognized objectClass '%s'",
 629                                 ocs[i].bv_val );
 630                         *text = textbuf;
 631                         goto fail;
 632                 }
 633         }
 634         socs[i] = NULL;
 635
 636         for( i=0; ocs[i].bv_val; i++ ) {
 637                 oc = socs[i];
 638                 if( oc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
 639                         if( sc == NULL || is_object_subclass( sc, oc ) ) {
 640                                 sc = oc;
 641                                 scn = i;
 642
 643                         } else if ( !is_object_subclass( oc, sc ) ) {
 644                                 int j;
 645                                 ObjectClass *xc = NULL;
 646
 647                                 /* find common superior */
 648                                 for( j=i+1; ocs[j].bv_val; j++ ) {
 649                                         xc = socs[j];
 650
 651                                         if( xc == NULL ) {
 652                                                 snprintf( textbuf, textlen,
 653                                                         "unrecognized objectClass '%s'",
 654                                                         ocs[j].bv_val );
 655                                                 *text = textbuf;
 656                                                 goto fail;
 657                                         }
 658
 659                                         if( xc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
 660                                                 xc = NULL;
 661                                                 continue;
 662                                         }
 663
 664                                         if( is_object_subclass( sc, xc ) &&
 665                                                 is_object_subclass( oc, xc ) )
 666                                         {
 667                                                 /* found common subclass */
 668                                                 break;
 669                                         }
 670
 671                                         xc = NULL;
 672                                 }
 673
 674                                 if( xc == NULL ) {
 675                                         /* no common subclass */
 676                                         snprintf( textbuf, textlen,
 677                                                 "invalid structural object class chain (%s/%s)",
 678                                                 ocs[scn].bv_val, ocs[i].bv_val );
 679                                         *text = textbuf;
 680                                         goto fail;
 681                                 }
 682                         }
 683                 }
 684         }
 685
 686         if( scp ) {
 687                 *scp = sc;
 688         }
 689
 690         if( sc == NULL ) {
 691                 *text = "no structural object class provided";
 692                 goto fail;
 693         }
 694
 695         if( scn < 0 ) {
 696                 *text = "invalid structural object class";
 697                 goto fail;
 698         }
 699
 700         if ( socsp ) {
 701                 *socsp = socs;
 702         } else {
 703                 slap_sl_free( socs, ctx );
 704         }
 705         *text = NULL;
 706
 707         return LDAP_SUCCESS;
 708
 709 fail:
 710         slap_sl_free( socs, ctx );
 711         return LDAP_OBJECT_CLASS_VIOLATION;
 712 }
 713
 714 /*
 715  * Return structural object class from list of modifications
 716  */
 717 int mods_structural_class(
 718         Modifications *mods,
 719         struct berval *sc,
 720         const char **text,
 721         char *textbuf, size_t textlen, void *ctx )
 722 {
 723         Modifications *ocmod = NULL;
 724         ObjectClass *ssc;
 725         int rc;
 726
 727         for( ; mods != NULL; mods = mods->sml_next ) {
 728                 if( mods->sml_desc == slap_schema.si_ad_objectClass ) {
 729                         if( ocmod != NULL ) {
 730                                 *text = "entry has multiple objectClass attributes";
 731                                 return LDAP_OBJECT_CLASS_VIOLATION;
 732                         }
 733                         ocmod = mods;
 734                 }
 735         }
 736
 737         if( ocmod == NULL ) {
 738                 *text = "entry has no objectClass attribute";
 739                 return LDAP_OBJECT_CLASS_VIOLATION;
 740         }
 741
 742         if( ocmod->sml_values == NULL || ocmod->sml_values[0].bv_val == NULL ) {
 743                 *text = "objectClass attribute has no values";
 744                 return LDAP_OBJECT_CLASS_VIOLATION;
 745         }
 746
 747         rc = structural_class( ocmod->sml_values, &ssc, NULL,
 748                 text, textbuf, textlen, ctx );
 749         if ( rc == LDAP_SUCCESS )
 750                 *sc = ssc->soc_cname;
 751         return rc;
 752 }
 753
 754
 755 static int
 756 entry_naming_check(
 757         Entry *e,
 758         int manage,
 759         const char** text,
 760         char *textbuf, size_t textlen )
 761 {
 762         /* naming check */
 763         LDAPRDN         rdn = NULL;
 764         const char      *p = NULL;
 765         ber_len_t       cnt;
 766         int             rc = LDAP_SUCCESS;
 767
 768         if ( BER_BVISEMPTY( &e->e_name )) {
 769                 return LDAP_SUCCESS;
 770         }
 771
 772         /*
 773          * Get attribute type(s) and attribute value(s) of our RDN
 774          */
 775         if ( ldap_bv2rdn( &e->e_name, &rdn, (char **)&p,
 776                 LDAP_DN_FORMAT_LDAP ) )
 777         {
 778                 *text = "unrecongized attribute type(s) in RDN";
 779                 return LDAP_INVALID_DN_SYNTAX;
 780         }
 781
 782         /* Check that each AVA of the RDN is present in the entry */
 783         /* FIXME: Should also check that each AVA lists a distinct type */
 784         for ( cnt = 0; rdn[cnt]; cnt++ ) {
 785                 LDAPAVA *ava = rdn[cnt];
 786                 AttributeDescription *desc = NULL;
 787                 Attribute *attr;
 788                 const char *errtext;
 789
 790                 if( ava->la_flags & LDAP_AVA_BINARY ) {
 791                         snprintf( textbuf, textlen,
 792                                 "value of naming attribute '%s' in unsupported BER form",
 793                                 ava->la_attr.bv_val );
 794                         rc = LDAP_NAMING_VIOLATION;
 795                 }
 796
 797                 rc = slap_bv2ad( &ava->la_attr, &desc, &errtext );
 798                 if ( rc != LDAP_SUCCESS ) {
 799                         snprintf( textbuf, textlen, "%s (in RDN)", errtext );
 800                         break;
 801                 }
 802
 803                 if( desc->ad_type->sat_usage ) {
 804                         snprintf( textbuf, textlen,
 805                                 "naming attribute '%s' is operational",
 806                                 ava->la_attr.bv_val );
 807                         rc = LDAP_NAMING_VIOLATION;
 808                         break;
 809                 }
 810
 811                 if( desc->ad_type->sat_collective ) {
 812                         snprintf( textbuf, textlen,
 813                                 "naming attribute '%s' is collective",
 814                                 ava->la_attr.bv_val );
 815                         rc = LDAP_NAMING_VIOLATION;
 816                         break;
 817                 }
 818
 819                 if( !manage && desc->ad_type->sat_obsolete ) {
 820                         snprintf( textbuf, textlen,
 821                                 "naming attribute '%s' is obsolete",
 822                                 ava->la_attr.bv_val );
 823                         rc = LDAP_NAMING_VIOLATION;
 824                         break;
 825                 }
 826
 827                 if( !desc->ad_type->sat_equality ) {
 828                         snprintf( textbuf, textlen,
 829                                 "naming attribute '%s' has no equality matching rule",
 830                                 ava->la_attr.bv_val );
 831                         rc = LDAP_NAMING_VIOLATION;
 832                         break;
 833                 }
 834
 835                 if( !desc->ad_type->sat_equality->smr_match ) {
 836                         snprintf( textbuf, textlen,
 837                                 "naming attribute '%s' has unsupported equality matching rule",
 838                                 ava->la_attr.bv_val );
 839                         rc = LDAP_NAMING_VIOLATION;
 840                         break;
 841                 }
 842
 843                 /* find the naming attribute */
 844                 attr = attr_find( e->e_attrs, desc );
 845                 if ( attr == NULL ) {
 846                         snprintf( textbuf, textlen,
 847                                 "naming attribute '%s' is not present in entry",
 848                                 ava->la_attr.bv_val );
 849                         rc = LDAP_NAMING_VIOLATION;
 850                         break;
 851                 }
 852
 853                 rc = value_find_ex( desc, SLAP_MR_VALUE_OF_ASSERTION_SYNTAX|
 854                         SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 855                         attr->a_nvals, &ava->la_value, NULL );
 856
 857                 if( rc != 0 ) {
 858                         switch( rc ) {
 859                         case LDAP_INAPPROPRIATE_MATCHING:
 860                                 snprintf( textbuf, textlen,
 861                                         "inappropriate matching for naming attribute '%s'",
 862                                         ava->la_attr.bv_val );
 863                                 break;
 864                         case LDAP_INVALID_SYNTAX:
 865                                 snprintf( textbuf, textlen,
 866                                         "value of naming attribute '%s' is invalid",
 867                                         ava->la_attr.bv_val );
 868                                 break;
 869                         case LDAP_NO_SUCH_ATTRIBUTE:
 870                                 snprintf( textbuf, textlen,
 871                                         "value of naming attribute '%s' is not present in entry",
 872                                         ava->la_attr.bv_val );
 873                                 break;
 874                         default:
 875                                 snprintf( textbuf, textlen,
 876                                         "naming attribute '%s' is inappropriate",
 877                                         ava->la_attr.bv_val );
 878                         }
 879                         rc = LDAP_NAMING_VIOLATION;
 880                         break;
 881                 }
 882         }
 883
 884         ldap_rdnfree( rdn );
 885         return rc;
 886 }
 887