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 1998-2005 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         Backend *be,
  47         Entry *e,
  48         Attribute *oldattrs,
  49         int manage,
  50         const char** text,
  51         char *textbuf, size_t textlen )
  52 {
  53         Attribute       *a, *asc, *aoc;
  54         ObjectClass *sc, *oc;
  55         AttributeType *at;
  56         ContentRule *cr;
  57         int     rc, i;
  58         struct berval nsc;
  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( be )) {
  68                 return LDAP_SUCCESS;
  69         }
  70
  71         if( subentry ) {
  72                 collectiveSubentry = is_entry_collectiveAttributeSubentry( e );
  73         }
  74
  75         *text = textbuf;
  76
  77         /* misc attribute checks */
  78         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
  79                 const char *type = a->a_desc->ad_cname.bv_val;
  80
  81                 /* there should be at least one value */
  82                 assert( a->a_vals );
  83                 assert( a->a_vals[0].bv_val != NULL );
  84
  85                 if( a->a_desc->ad_type->sat_check ) {
  86                         int rc = (a->a_desc->ad_type->sat_check)(
  87                                 be, e, a, text, textbuf, textlen );
  88                         if( rc != LDAP_SUCCESS ) {
  89                                 return rc;
  90                         }
  91                 }
  92
  93                 if( !collectiveSubentry && is_at_collective( a->a_desc->ad_type ) ) {
  94                         snprintf( textbuf, textlen,
  95                                 "'%s' can only appear in collectiveAttributeSubentry",
  96                                 type );
  97                         return LDAP_OBJECT_CLASS_VIOLATION;
  98                 }
  99
 100                 /* if single value type, check for multiple values */
 101                 if( is_at_single_value( a->a_desc->ad_type ) &&
 102                         a->a_vals[1].bv_val != NULL )
 103                 {
 104                         snprintf( textbuf, textlen,
 105                                 "attribute '%s' cannot have multiple values",
 106                                 type );
 107
 108                         Debug( LDAP_DEBUG_ANY,
 109                             "Entry (%s), %s\n",
 110                             e->e_dn, textbuf, 0 );
 111
 112                         return LDAP_CONSTRAINT_VIOLATION;
 113                 }
 114         }
 115
 116         /* find the structural object class attribute */
 117         asc = attr_find( e->e_attrs, ad_structuralObjectClass );
 118         if ( asc == NULL ) {
 119                 Debug( LDAP_DEBUG_ANY,
 120                         "No structuralObjectClass for entry (%s)\n",
 121                     e->e_dn, 0, 0 );
 122
 123                 *text = "no structuralObjectClass operational attribute";
 124                 return LDAP_OTHER;
 125         }
 126
 127         assert( asc->a_vals != NULL );
 128         assert( asc->a_vals[0].bv_val != NULL );
 129         assert( asc->a_vals[1].bv_val == NULL );
 130
 131         sc = oc_bvfind( &asc->a_vals[0] );
 132         if( sc == NULL ) {
 133                 snprintf( textbuf, textlen,
 134                         "unrecognized structuralObjectClass '%s'",
 135                         asc->a_vals[0].bv_val );
 136
 137                 Debug( LDAP_DEBUG_ANY,
 138                         "entry_check_schema(%s): %s\n",
 139                         e->e_dn, textbuf, 0 );
 140
 141                 return LDAP_OBJECT_CLASS_VIOLATION;
 142         }
 143
 144         if( sc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
 145                 snprintf( textbuf, textlen,
 146                         "structuralObjectClass '%s' is not STRUCTURAL",
 147                         asc->a_vals[0].bv_val );
 148
 149                 Debug( LDAP_DEBUG_ANY,
 150                         "entry_check_schema(%s): %s\n",
 151                         e->e_dn, textbuf, 0 );
 152
 153                 return LDAP_OTHER;
 154         }
 155
 156         if( !manage && sc->soc_obsolete ) {
 157                 snprintf( textbuf, textlen,
 158                         "structuralObjectClass '%s' is OBSOLETE",
 159                         asc->a_vals[0].bv_val );
 160
 161                 Debug( LDAP_DEBUG_ANY,
 162                         "entry_check_schema(%s): %s\n",
 163                         e->e_dn, textbuf, 0 );
 164
 165                 return LDAP_OBJECT_CLASS_VIOLATION;
 166         }
 167
 168         /* find the object class attribute */
 169         aoc = attr_find( e->e_attrs, ad_objectClass );
 170         if ( aoc == NULL ) {
 171                 Debug( LDAP_DEBUG_ANY, "No objectClass for entry (%s)\n",
 172                     e->e_dn, 0, 0 );
 173
 174                 *text = "no objectClass attribute";
 175                 return LDAP_OBJECT_CLASS_VIOLATION;
 176         }
 177
 178         assert( aoc->a_vals != NULL );
 179         assert( aoc->a_vals[0].bv_val != NULL );
 180
 181         rc = structural_class( aoc->a_vals, &nsc, &oc, text, textbuf, textlen );
 182         if( rc != LDAP_SUCCESS ) {
 183                 return rc;
 184         }
 185
 186         *text = textbuf;
 187
 188         if ( oc == NULL ) {
 189                 snprintf( textbuf, textlen,
 190                         "unrecognized objectClass '%s'",
 191                         aoc->a_vals[0].bv_val );
 192                 return LDAP_OBJECT_CLASS_VIOLATION;
 193
 194         } else if ( sc != slap_schema.si_oc_glue && sc != oc ) {
 195                 snprintf( textbuf, textlen,
 196                         "structural object class modification "
 197                         "from '%s' to '%s' not allowed",
 198                         asc->a_vals[0].bv_val, nsc.bv_val );
 199                 return LDAP_NO_OBJECT_CLASS_MODS;
 200         } else if ( sc == slap_schema.si_oc_glue ) {
 201                 sc = oc;
 202         }
 203
 204         /* naming check */
 205         if ( !is_entry_objectclass ( e, slap_schema.si_oc_glue, 0 ) ) {
 206                 rc = entry_naming_check( e, manage, text, textbuf, textlen );
 207                 if( rc != LDAP_SUCCESS ) {
 208                         return rc;
 209                 }
 210         } else {
 211                 /* Glue Entry */
 212         }
 213
 214         /* find the content rule for the structural class */
 215         cr = cr_find( sc->soc_oid );
 216
 217         /* the cr must be same as the structural class */
 218         assert( !cr || !strcmp( cr->scr_oid, sc->soc_oid ) );
 219
 220         /* check that the entry has required attrs of the content rule */
 221         if( cr ) {
 222                 if( !manage && cr->scr_obsolete ) {
 223                         snprintf( textbuf, textlen,
 224                                 "content rule '%s' is obsolete",
 225                                 ldap_contentrule2name( &cr->scr_crule ));
 226
 227                         Debug( LDAP_DEBUG_ANY,
 228                                 "Entry (%s): %s\n",
 229                                 e->e_dn, textbuf, 0 );
 230
 231                         return LDAP_OBJECT_CLASS_VIOLATION;
 232                 }
 233
 234                 if( cr->scr_required ) for( i=0; cr->scr_required[i]; i++ ) {
 235                         at = cr->scr_required[i];
 236
 237                         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 238                                 if( a->a_desc->ad_type == at ) {
 239                                         break;
 240                                 }
 241                         }
 242
 243                         /* not there => schema violation */
 244                         if ( a == NULL ) {
 245                                 snprintf( textbuf, textlen,
 246                                         "content rule '%s' requires attribute '%s'",
 247                                         ldap_contentrule2name( &cr->scr_crule ),
 248                                         at->sat_cname.bv_val );
 249
 250                                 Debug( LDAP_DEBUG_ANY,
 251                                         "Entry (%s): %s\n",
 252                                         e->e_dn, textbuf, 0 );
 253
 254                                 return LDAP_OBJECT_CLASS_VIOLATION;
 255                         }
 256                 }
 257
 258                 if( cr->scr_precluded ) for( i=0; cr->scr_precluded[i]; i++ ) {
 259                         at = cr->scr_precluded[i];
 260
 261                         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 262                                 if( a->a_desc->ad_type == at ) {
 263                                         break;
 264                                 }
 265                         }
 266
 267                         /* there => schema violation */
 268                         if ( a != NULL ) {
 269                                 snprintf( textbuf, textlen,
 270                                         "content rule '%s' precluded attribute '%s'",
 271                                         ldap_contentrule2name( &cr->scr_crule ),
 272                                         at->sat_cname.bv_val );
 273
 274                                 Debug( LDAP_DEBUG_ANY,
 275                                         "Entry (%s): %s\n",
 276                                         e->e_dn, textbuf, 0 );
 277
 278                                 return LDAP_OBJECT_CLASS_VIOLATION;
 279                         }
 280                 }
 281         }
 282
 283         /* check that the entry has required attrs for each oc */
 284         for ( i = 0; aoc->a_vals[i].bv_val != NULL; i++ ) {
 285                 if ( (oc = oc_bvfind( &aoc->a_vals[i] )) == NULL ) {
 286                         snprintf( textbuf, textlen,
 287                                 "unrecognized objectClass '%s'",
 288                                 aoc->a_vals[i].bv_val );
 289
 290                         Debug( LDAP_DEBUG_ANY,
 291                                 "entry_check_schema(%s): %s\n",
 292                                 e->e_dn, textbuf, 0 );
 293
 294                         return LDAP_OBJECT_CLASS_VIOLATION;
 295                 }
 296
 297                 if ( !manage && oc->soc_obsolete ) {
 298                         /* disallow obsolete classes */
 299                         snprintf( textbuf, textlen,
 300                                 "objectClass '%s' is OBSOLETE",
 301                                 aoc->a_vals[i].bv_val );
 302
 303                         Debug( LDAP_DEBUG_ANY,
 304                                 "entry_check_schema(%s): %s\n",
 305                                 e->e_dn, textbuf, 0 );
 306
 307                         return LDAP_OBJECT_CLASS_VIOLATION;
 308                 }
 309
 310                 if ( oc->soc_check ) {
 311                         int rc = (oc->soc_check)( be, e, oc,
 312                                 text, textbuf, textlen );
 313                         if( rc != LDAP_SUCCESS ) {
 314                                 return rc;
 315                         }
 316                 }
 317
 318                 if ( oc->soc_kind == LDAP_SCHEMA_ABSTRACT ) {
 319                         /* object class is abstract */
 320                         if ( oc != slap_schema.si_oc_top &&
 321                                 !is_object_subclass( oc, sc ))
 322                         {
 323                                 int j;
 324                                 ObjectClass *xc = NULL;
 325                                 for( j=0; aoc->a_vals[j].bv_val; j++ ) {
 326                                         if( i != j ) {
 327                                                 xc = oc_bvfind( &aoc->a_vals[i] );
 328                                                 if( xc == NULL ) {
 329                                                         snprintf( textbuf, textlen,
 330                                                                 "unrecognized objectClass '%s'",
 331                                                                 aoc->a_vals[i].bv_val );
 332
 333                                                         Debug( LDAP_DEBUG_ANY,
 334                                                                 "entry_check_schema(%s): %s\n",
 335                                                                 e->e_dn, textbuf, 0 );
 336
 337                                                         return LDAP_OBJECT_CLASS_VIOLATION;
 338                                                 }
 339
 340                                                 /* since we previous check against the
 341                                                  * structural object of this entry, the
 342                                                  * abstract class must be a (direct or indirect)
 343                                                  * superclass of one of the auxiliary classes of
 344                                                  * the entry.
 345                                                  */
 346                                                 if ( xc->soc_kind == LDAP_SCHEMA_AUXILIARY &&
 347                                                         is_object_subclass( oc, xc ) )
 348                                                 {
 349                                                         xc = NULL;
 350                                                         break;
 351                                                 }
 352                                         }
 353                                 }
 354
 355                                 if( xc == NULL ) {
 356                                         snprintf( textbuf, textlen, "instanstantiation of "
 357                                                 "abstract objectClass '%s' not allowed",
 358                                                 aoc->a_vals[i].bv_val );
 359
 360                                         Debug( LDAP_DEBUG_ANY,
 361                                                 "entry_check_schema(%s): %s\n",
 362                                                 e->e_dn, textbuf, 0 );
 363
 364                                         return LDAP_OBJECT_CLASS_VIOLATION;
 365                                 }
 366                         }
 367
 368                 } else if ( oc->soc_kind != LDAP_SCHEMA_STRUCTURAL || oc == sc ) {
 369                         char *s;
 370
 371                         if( oc->soc_kind == LDAP_SCHEMA_AUXILIARY ) {
 372                                 int k;
 373
 374                                 if( cr ) {
 375                                         int j;
 376
 377                                         k = -1;
 378                                         if( cr->scr_auxiliaries ) {
 379                                                 for( j = 0; cr->scr_auxiliaries[j]; j++ ) {
 380                                                         if( cr->scr_auxiliaries[j] == oc ) {
 381                                                                 k = 0;
 382                                                                 break;
 383                                                         }
 384                                                 }
 385                                         }
 386                                 } else if ( global_disallows & SLAP_DISALLOW_AUX_WO_CR ) {
 387                                         k = -1;
 388                                 } else {
 389                                         k = 0;
 390                                 }
 391
 392                                 if( k == -1 ) {
 393                                         snprintf( textbuf, textlen,
 394                                                 "content rule '%s' does not allow class '%s'",
 395                                                 ldap_contentrule2name( &cr->scr_crule ),
 396                                                 oc->soc_cname.bv_val );
 397
 398                                         Debug( LDAP_DEBUG_ANY,
 399                                                 "Entry (%s): %s\n",
 400                                                 e->e_dn, textbuf, 0 );
 401
 402                                         return LDAP_OBJECT_CLASS_VIOLATION;
 403                                 }
 404                         }
 405
 406                         s = oc_check_required( e, oc, &aoc->a_vals[i] );
 407                         if (s != NULL) {
 408                                 snprintf( textbuf, textlen,
 409                                         "object class '%s' requires attribute '%s'",
 410                                         aoc->a_vals[i].bv_val, s );
 411
 412                                 Debug( LDAP_DEBUG_ANY,
 413                                         "Entry (%s): %s\n",
 414                                         e->e_dn, textbuf, 0 );
 415
 416                                 return LDAP_OBJECT_CLASS_VIOLATION;
 417                         }
 418
 419                         if( oc == slap_schema.si_oc_extensibleObject ) {
 420                                 extensible=1;
 421                         }
 422                 }
 423         }
 424
 425         if( extensible ) {
 426                 *text = NULL;
 427                 return LDAP_SUCCESS;
 428         }
 429
 430         /* check that each attr in the entry is allowed by some oc */
 431         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 432                 int ret;
 433
 434                 ret = LDAP_OBJECT_CLASS_VIOLATION;
 435
 436                 if( cr && cr->scr_required ) {
 437                         for( i=0; cr->scr_required[i]; i++ ) {
 438                                 if( cr->scr_required[i] == a->a_desc->ad_type ) {
 439                                         ret = LDAP_SUCCESS;
 440                                         break;
 441                                 }
 442                         }
 443                 }
 444
 445                 if( ret != LDAP_SUCCESS && cr && cr->scr_allowed ) {
 446                         for( i=0; cr->scr_allowed[i]; i++ ) {
 447                                 if( cr->scr_allowed[i] == a->a_desc->ad_type ) {
 448                                         ret = LDAP_SUCCESS;
 449                                         break;
 450                                 }
 451                         }
 452                 }
 453
 454                 if( ret != LDAP_SUCCESS )
 455                 {
 456                         ret = oc_check_allowed( a->a_desc->ad_type, aoc->a_vals, sc );
 457                 }
 458
 459                 if ( ret != LDAP_SUCCESS ) {
 460                         char *type = a->a_desc->ad_cname.bv_val;
 461
 462                         snprintf( textbuf, textlen,
 463                                 "attribute '%s' not allowed",
 464                                 type );
 465
 466                         Debug( LDAP_DEBUG_ANY,
 467                             "Entry (%s), %s\n",
 468                             e->e_dn, textbuf, 0 );
 469
 470                         return ret;
 471                 }
 472         }
 473
 474         *text = NULL;
 475         return LDAP_SUCCESS;
 476 }
 477
 478 static char *
 479 oc_check_required(
 480         Entry *e,
 481         ObjectClass *oc,
 482         struct berval *ocname )
 483 {
 484         AttributeType   *at;
 485         int             i;
 486         Attribute       *a;
 487
 488         Debug( LDAP_DEBUG_TRACE,
 489                 "oc_check_required entry (%s), objectClass \"%s\"\n",
 490                 e->e_dn, ocname->bv_val, 0 );
 491
 492
 493         /* check for empty oc_required */
 494         if(oc->soc_required == NULL) {
 495                 return NULL;
 496         }
 497
 498         /* for each required attribute */
 499         for ( i = 0; oc->soc_required[i] != NULL; i++ ) {
 500                 at = oc->soc_required[i];
 501                 /* see if it's in the entry */
 502                 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 503                         if( a->a_desc->ad_type == at ) {
 504                                 break;
 505                         }
 506                 }
 507                 /* not there => schema violation */
 508                 if ( a == NULL ) {
 509                         return at->sat_cname.bv_val;
 510                 }
 511         }
 512
 513         return( NULL );
 514 }
 515
 516 int oc_check_allowed(
 517         AttributeType *at,
 518         BerVarray ocl,
 519         ObjectClass *sc )
 520 {
 521         int             i, j;
 522
 523         Debug( LDAP_DEBUG_TRACE,
 524                 "oc_check_allowed type \"%s\"\n",
 525                 at->sat_cname.bv_val, 0, 0 );
 526
 527         /* always allow objectClass attribute */
 528         if ( strcasecmp( at->sat_cname.bv_val, "objectClass" ) == 0 ) {
 529                 return LDAP_SUCCESS;
 530         }
 531
 532         /*
 533          * All operational attributions are allowed by schema rules.
 534          */
 535         if( is_at_operational(at) ) {
 536                 return LDAP_SUCCESS;
 537         }
 538
 539         /* check to see if its allowed by the structuralObjectClass */
 540         if( sc ) {
 541                 /* does it require the type? */
 542                 for ( j = 0; sc->soc_required != NULL &&
 543                         sc->soc_required[j] != NULL; j++ )
 544                 {
 545                         if( at == sc->soc_required[j] ) {
 546                                 return LDAP_SUCCESS;
 547                         }
 548                 }
 549
 550                 /* does it allow the type? */
 551                 for ( j = 0; sc->soc_allowed != NULL &&
 552                         sc->soc_allowed[j] != NULL; j++ )
 553                 {
 554                         if( at == sc->soc_allowed[j] ) {
 555                                 return LDAP_SUCCESS;
 556                         }
 557                 }
 558         }
 559
 560         /* check that the type appears as req or opt in at least one oc */
 561         for ( i = 0; ocl[i].bv_val != NULL; i++ ) {
 562                 /* if we know about the oc */
 563                 ObjectClass     *oc = oc_bvfind( &ocl[i] );
 564                 if ( oc != NULL && oc->soc_kind != LDAP_SCHEMA_ABSTRACT &&
 565                         ( sc == NULL || oc->soc_kind == LDAP_SCHEMA_AUXILIARY ))
 566                 {
 567                         /* does it require the type? */
 568                         for ( j = 0; oc->soc_required != NULL &&
 569                                 oc->soc_required[j] != NULL; j++ )
 570                         {
 571                                 if( at == oc->soc_required[j] ) {
 572                                         return LDAP_SUCCESS;
 573                                 }
 574                         }
 575                         /* does it allow the type? */
 576                         for ( j = 0; oc->soc_allowed != NULL &&
 577                                 oc->soc_allowed[j] != NULL; j++ )
 578                         {
 579                                 if( at == oc->soc_allowed[j] ) {
 580                                         return LDAP_SUCCESS;
 581                                 }
 582                         }
 583                 }
 584         }
 585
 586         /* not allowed by any oc */
 587         return LDAP_OBJECT_CLASS_VIOLATION;
 588 }
 589
 590 /*
 591  * Determine the structural object class from a set of OIDs
 592  */
 593 int structural_class(
 594         BerVarray ocs,
 595         struct berval *scbv,
 596         ObjectClass **scp,
 597         const char **text,
 598         char *textbuf, size_t textlen )
 599 {
 600         int i;
 601         ObjectClass *oc;
 602         ObjectClass *sc = NULL;
 603         int scn = -1;
 604
 605         *text = "structural_class: internal error";
 606         scbv->bv_len = 0;
 607
 608         for( i=0; ocs[i].bv_val; i++ ) {
 609                 oc = oc_bvfind( &ocs[i] );
 610
 611                 if( oc == NULL ) {
 612                         snprintf( textbuf, textlen,
 613                                 "unrecognized objectClass '%s'",
 614                                 ocs[i].bv_val );
 615                         *text = textbuf;
 616                         return LDAP_OBJECT_CLASS_VIOLATION;
 617                 }
 618
 619                 if( oc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
 620                         if( sc == NULL || is_object_subclass( sc, oc ) ) {
 621                                 sc = oc;
 622                                 scn = i;
 623
 624                         } else if ( !is_object_subclass( oc, sc ) ) {
 625                                 int j;
 626                                 ObjectClass *xc = NULL;
 627
 628                                 /* find common superior */
 629                                 for( j=i+1; ocs[j].bv_val; j++ ) {
 630                                         xc = oc_bvfind( &ocs[j] );
 631
 632                                         if( xc == NULL ) {
 633                                                 snprintf( textbuf, textlen,
 634                                                         "unrecognized objectClass '%s'",
 635                                                         ocs[j].bv_val );
 636                                                 *text = textbuf;
 637                                                 return LDAP_OBJECT_CLASS_VIOLATION;
 638                                         }
 639
 640                                         if( xc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
 641                                                 xc = NULL;
 642                                                 continue;
 643                                         }
 644
 645                                         if( is_object_subclass( sc, xc ) &&
 646                                                 is_object_subclass( oc, xc ) )
 647                                         {
 648                                                 /* found common subclass */
 649                                                 break;
 650                                         }
 651
 652                                         xc = NULL;
 653                                 }
 654
 655                                 if( xc == NULL ) {
 656                                         /* no common subclass */
 657                                         snprintf( textbuf, textlen,
 658                                                 "invalid structural object class chain (%s/%s)",
 659                                                 ocs[scn].bv_val, ocs[i].bv_val );
 660                                         *text = textbuf;
 661                                         return LDAP_OBJECT_CLASS_VIOLATION;
 662                                 }
 663                         }
 664                 }
 665         }
 666
 667         if( scp ) {
 668                 *scp = sc;
 669         }
 670
 671         if( sc == NULL ) {
 672                 *text = "no structural object class provided";
 673                 return LDAP_OBJECT_CLASS_VIOLATION;
 674         }
 675
 676         if( scn < 0 ) {
 677                 *text = "invalid structural object class";
 678                 return LDAP_OBJECT_CLASS_VIOLATION;
 679         }
 680
 681         *scbv = ocs[scn];
 682
 683         if( scbv->bv_len == 0 ) {
 684                 *text = "invalid structural object class";
 685                 return LDAP_OBJECT_CLASS_VIOLATION;
 686         }
 687
 688         *text = NULL;
 689
 690         return LDAP_SUCCESS;
 691 }
 692
 693 /*
 694  * Return structural object class from list of modifications
 695  */
 696 int mods_structural_class(
 697         Modifications *mods,
 698         struct berval *sc,
 699         const char **text,
 700         char *textbuf, size_t textlen )
 701 {
 702         Modifications *ocmod = NULL;
 703
 704         for( ; mods != NULL; mods = mods->sml_next ) {
 705                 if( mods->sml_desc == slap_schema.si_ad_objectClass ) {
 706                         if( ocmod != NULL ) {
 707                                 *text = "entry has multiple objectClass attributes";
 708                                 return LDAP_OBJECT_CLASS_VIOLATION;
 709                         }
 710                         ocmod = mods;
 711                 }
 712         }
 713
 714         if( ocmod == NULL ) {
 715                 *text = "entry has no objectClass attribute";
 716                 return LDAP_OBJECT_CLASS_VIOLATION;
 717         }
 718
 719         if( ocmod->sml_values == NULL || ocmod->sml_values[0].bv_val == NULL ) {
 720                 *text = "objectClass attribute has no values";
 721                 return LDAP_OBJECT_CLASS_VIOLATION;
 722         }
 723
 724         return structural_class( ocmod->sml_values, sc, NULL,
 725                 text, textbuf, textlen );
 726 }
 727
 728
 729 static int
 730 entry_naming_check(
 731         Entry *e,
 732         int manage,
 733         const char** text,
 734         char *textbuf, size_t textlen )
 735 {
 736         /* naming check */
 737         LDAPRDN         rdn = NULL;
 738         const char      *p = NULL;
 739         ber_len_t       cnt;
 740         int             rc = LDAP_SUCCESS;
 741
 742         if ( BER_BVISEMPTY( &e->e_name )) {
 743                 return LDAP_SUCCESS;
 744         }
 745
 746         /*
 747          * Get attribute type(s) and attribute value(s) of our RDN
 748          */
 749         if ( ldap_bv2rdn( &e->e_name, &rdn, (char **)&p,
 750                 LDAP_DN_FORMAT_LDAP ) )
 751         {
 752                 *text = "unrecongized attribute type(s) in RDN";
 753                 return LDAP_INVALID_DN_SYNTAX;
 754         }
 755
 756         /* Check that each AVA of the RDN is present in the entry */
 757         /* FIXME: Should also check that each AVA lists a distinct type */
 758         for ( cnt = 0; rdn[cnt]; cnt++ ) {
 759                 LDAPAVA *ava = rdn[cnt];
 760                 AttributeDescription *desc = NULL;
 761                 Attribute *attr;
 762                 const char *errtext;
 763
 764                 if( ava->la_flags & LDAP_AVA_BINARY ) {
 765                         snprintf( textbuf, textlen,
 766                                 "value of naming attribute '%s' in unsupported BER form",
 767                                 ava->la_attr.bv_val );
 768                         rc = LDAP_NAMING_VIOLATION;
 769                 }
 770
 771                 rc = slap_bv2ad( &ava->la_attr, &desc, &errtext );
 772                 if ( rc != LDAP_SUCCESS ) {
 773                         snprintf( textbuf, textlen, "%s (in RDN)", errtext );
 774                         break;
 775                 }
 776
 777                 if( desc->ad_type->sat_usage ) {
 778                         snprintf( textbuf, textlen,
 779                                 "naming attribute '%s' is operational",
 780                                 ava->la_attr.bv_val );
 781                         rc = LDAP_NAMING_VIOLATION;
 782                         break;
 783                 }
 784
 785                 if( desc->ad_type->sat_collective ) {
 786                         snprintf( textbuf, textlen,
 787                                 "naming attribute '%s' is collective",
 788                                 ava->la_attr.bv_val );
 789                         rc = LDAP_NAMING_VIOLATION;
 790                         break;
 791                 }
 792
 793                 if( !manage && desc->ad_type->sat_obsolete ) {
 794                         snprintf( textbuf, textlen,
 795                                 "naming attribute '%s' is obsolete",
 796                                 ava->la_attr.bv_val );
 797                         rc = LDAP_NAMING_VIOLATION;
 798                         break;
 799                 }
 800
 801                 if( !desc->ad_type->sat_equality ) {
 802                         snprintf( textbuf, textlen,
 803                                 "naming attribute '%s' has no equality matching rule",
 804                                 ava->la_attr.bv_val );
 805                         rc = LDAP_NAMING_VIOLATION;
 806                         break;
 807                 }
 808
 809                 if( !desc->ad_type->sat_equality->smr_match ) {
 810                         snprintf( textbuf, textlen,
 811                                 "naming attribute '%s' has unsupported equality matching rule",
 812                                 ava->la_attr.bv_val );
 813                         rc = LDAP_NAMING_VIOLATION;
 814                         break;
 815                 }
 816
 817                 /* find the naming attribute */
 818                 attr = attr_find( e->e_attrs, desc );
 819                 if ( attr == NULL ) {
 820                         snprintf( textbuf, textlen,
 821                                 "naming attribute '%s' is not present in entry",
 822                                 ava->la_attr.bv_val );
 823                         rc = LDAP_NAMING_VIOLATION;
 824                         break;
 825                 }
 826
 827                 rc = value_find_ex( desc, SLAP_MR_VALUE_OF_ASSERTION_SYNTAX|
 828                         SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
 829                         attr->a_nvals, &ava->la_value, NULL );
 830
 831                 if( rc != 0 ) {
 832                         switch( rc ) {
 833                         case LDAP_INAPPROPRIATE_MATCHING:
 834                                 snprintf( textbuf, textlen,
 835                                         "inappropriate matching for naming attribute '%s'",
 836                                         ava->la_attr.bv_val );
 837                                 break;
 838                         case LDAP_INVALID_SYNTAX:
 839                                 snprintf( textbuf, textlen,
 840                                         "value of naming attribute '%s' is invalid",
 841                                         ava->la_attr.bv_val );
 842                                 break;
 843                         case LDAP_NO_SUCH_ATTRIBUTE:
 844                                 snprintf( textbuf, textlen,
 845                                         "value of naming attribute '%s' is not present in entry",
 846                                         ava->la_attr.bv_val );
 847                                 break;
 848                         default:
 849                                 snprintf( textbuf, textlen,
 850                                         "naming attribute '%s' is inappropriate",
 851                                         ava->la_attr.bv_val );
 852                         }
 853                         rc = LDAP_NAMING_VIOLATION;
 854                         break;
 855                 }
 856         }
 857
 858         ldap_rdnfree( rdn );
 859         return rc;
 860 }
 861