external/bsd/openldap/dist/servers/slapd/oc.c

   1 /* oc.c - object class routines */
   2 /* $OpenLDAP: pkg/ldap/servers/slapd/oc.c,v 1.77.2.6 2008/04/14 22:08:32 quanah Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 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 int is_object_subclass(
  28         ObjectClass *sup,
  29         ObjectClass *sub )
  30 {
  31         int i;
  32
  33         if( sub == NULL || sup == NULL ) return 0;
  34
  35 #if 0
  36         Debug( LDAP_DEBUG_TRACE, "is_object_subclass(%s,%s) %d\n",
  37                 sup->soc_oid, sub->soc_oid, sup == sub );
  38 #endif
  39
  40         if ( sup == sub ) {
  41                 return 1;
  42         }
  43
  44         if ( sub->soc_sups == NULL ) {
  45                 return 0;
  46         }
  47
  48         for ( i = 0; sub->soc_sups[i] != NULL; i++ ) {
  49                 if ( is_object_subclass( sup, sub->soc_sups[i] ) ) {
  50                         return 1;
  51                 }
  52         }
  53
  54         return 0;
  55 }
  56
  57 int is_entry_objectclass(
  58         Entry*  e,
  59         ObjectClass *oc,
  60         unsigned flags )
  61 {
  62         /*
  63          * set_flags should only be true if oc is one of operational
  64          * object classes which we support objectClass flags for
  65          * (e.g., referral, alias, ...).  See <slap.h>.
  66          */
  67
  68         Attribute *attr;
  69         struct berval *bv;
  70
  71         assert( !( e == NULL || oc == NULL ) );
  72         assert( ( flags & SLAP_OCF_MASK ) != SLAP_OCF_MASK );
  73
  74         if ( e == NULL || oc == NULL ) {
  75                 return 0;
  76         }
  77
  78         if ( flags == SLAP_OCF_SET_FLAGS && ( e->e_ocflags & SLAP_OC__END ) )
  79         {
  80                 /* flags are set, use them */
  81                 return (e->e_ocflags & oc->soc_flags & SLAP_OC__MASK) != 0;
  82         }
  83
  84         /*
  85          * find objectClass attribute
  86          */
  87         attr = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
  88         if ( attr == NULL ) {
  89                 /* no objectClass attribute */
  90                 Debug( LDAP_DEBUG_ANY, "is_entry_objectclass(\"%s\", \"%s\") "
  91                         "no objectClass attribute\n",
  92                         e->e_dn == NULL ? "" : e->e_dn,
  93                         oc->soc_oclass.oc_oid, 0 );
  94
  95                 return 0;
  96         }
  97
  98         for ( bv = attr->a_vals; bv->bv_val; bv++ ) {
  99                 ObjectClass *objectClass = oc_bvfind( bv );
 100
 101                 if ( objectClass == NULL ) {
 102                         /* FIXME: is this acceptable? */
 103                         continue;
 104                 }
 105
 106                 if ( !( flags & SLAP_OCF_SET_FLAGS ) ) {
 107                         if ( objectClass == oc ) {
 108                                 return 1;
 109                         }
 110
 111                         if ( ( flags & SLAP_OCF_CHECK_SUP )
 112                                 && is_object_subclass( oc, objectClass ) )
 113                         {
 114                                 return 1;
 115                         }
 116                 }
 117
 118                 e->e_ocflags |= objectClass->soc_flags;
 119         }
 120
 121         /* mark flags as set */
 122         e->e_ocflags |= SLAP_OC__END;
 123
 124         return ( e->e_ocflags & oc->soc_flags & SLAP_OC__MASK ) != 0;
 125 }
 126
 127
 128 struct oindexrec {
 129         struct berval oir_name;
 130         ObjectClass     *oir_oc;
 131 };
 132
 133 static Avlnode  *oc_index = NULL;
 134 static Avlnode  *oc_cache = NULL;
 135 static LDAP_STAILQ_HEAD(OCList, ObjectClass) oc_list
 136         = LDAP_STAILQ_HEAD_INITIALIZER(oc_list);
 137
 138 ObjectClass *oc_sys_tail;
 139
 140 static int
 141 oc_index_cmp(
 142         const void *v_oir1,
 143         const void *v_oir2 )
 144 {
 145         const struct oindexrec *oir1 = v_oir1, *oir2 = v_oir2;
 146         int i = oir1->oir_name.bv_len - oir2->oir_name.bv_len;
 147         if (i) return i;
 148         return strcasecmp( oir1->oir_name.bv_val, oir2->oir_name.bv_val );
 149 }
 150
 151 static int
 152 oc_index_name_cmp(
 153         const void *v_name,
 154         const void *v_oir )
 155 {
 156         const struct berval    *name = v_name;
 157         const struct oindexrec *oir  = v_oir;
 158         int i = name->bv_len - oir->oir_name.bv_len;
 159         if (i) return i;
 160         return strncasecmp( name->bv_val, oir->oir_name.bv_val, name->bv_len );
 161 }
 162
 163 ObjectClass *
 164 oc_find( const char *ocname )
 165 {
 166         struct berval bv;
 167
 168         bv.bv_val = (char *)ocname;
 169         bv.bv_len = strlen( ocname );
 170
 171         return( oc_bvfind( &bv ) );
 172 }
 173
 174 ObjectClass *
 175 oc_bvfind( struct berval *ocname )
 176 {
 177         struct oindexrec        *oir;
 178
 179         if ( oc_cache ) {
 180                 oir = avl_find( oc_cache, ocname, oc_index_name_cmp );
 181                 if ( oir ) return oir->oir_oc;
 182         }
 183         oir = avl_find( oc_index, ocname, oc_index_name_cmp );
 184
 185         if ( oir != NULL ) {
 186                 if ( at_oc_cache ) {
 187                         avl_insert( &oc_cache, (caddr_t) oir,
 188                                 oc_index_cmp, avl_dup_error );
 189                 }
 190                 return( oir->oir_oc );
 191         }
 192
 193         return( NULL );
 194 }
 195
 196 static LDAP_STAILQ_HEAD(OCUList, ObjectClass) oc_undef_list
 197         = LDAP_STAILQ_HEAD_INITIALIZER(oc_undef_list);
 198
 199 ObjectClass *
 200 oc_bvfind_undef( struct berval *ocname )
 201 {
 202         ObjectClass     *oc = oc_bvfind( ocname );
 203
 204         if ( oc ) {
 205                 return oc;
 206         }
 207
 208         LDAP_STAILQ_FOREACH( oc, &oc_undef_list, soc_next ) {
 209                 int     d = oc->soc_cname.bv_len - ocname->bv_len;
 210
 211                 if ( d ) {
 212                         continue;
 213                 }
 214
 215                 if ( strcasecmp( oc->soc_cname.bv_val, ocname->bv_val ) == 0 ) {
 216                         break;
 217                 }
 218         }
 219
 220         if ( oc ) {
 221                 return oc;
 222         }
 223
 224         oc = ch_malloc( sizeof( ObjectClass ) + ocname->bv_len + 1 );
 225         memset( oc, 0, sizeof( ObjectClass ) );
 226
 227         oc->soc_cname.bv_len = ocname->bv_len;
 228         oc->soc_cname.bv_val = (char *)&oc[ 1 ];
 229         AC_MEMCPY( oc->soc_cname.bv_val, ocname->bv_val, ocname->bv_len );
 230
 231         LDAP_STAILQ_NEXT( oc, soc_next ) = NULL;
 232         ldap_pvt_thread_mutex_lock( &oc_undef_mutex );
 233         LDAP_STAILQ_INSERT_HEAD( &oc_undef_list, oc, soc_next );
 234         ldap_pvt_thread_mutex_unlock( &oc_undef_mutex );
 235
 236         return oc;
 237 }
 238
 239 static int
 240 oc_create_required(
 241         ObjectClass             *soc,
 242         char                    **attrs,
 243         int                     *op,
 244         const char              **err )
 245 {
 246         char            **attrs1;
 247         AttributeType   *sat;
 248         AttributeType   **satp;
 249         int             i;
 250
 251         if ( attrs ) {
 252                 attrs1 = attrs;
 253                 while ( *attrs1 ) {
 254                         sat = at_find(*attrs1);
 255                         if ( !sat ) {
 256                                 *err = *attrs1;
 257                                 return SLAP_SCHERR_ATTR_NOT_FOUND;
 258                         }
 259
 260                         if( is_at_operational( sat )) (*op)++;
 261
 262                         if ( at_find_in_list(sat, soc->soc_required) < 0) {
 263                                 if ( at_append_to_list(sat, &soc->soc_required) ) {
 264                                         *err = *attrs1;
 265                                         return SLAP_SCHERR_OUTOFMEM;
 266                                 }
 267                         }
 268                         attrs1++;
 269                 }
 270                 /* Now delete duplicates from the allowed list */
 271                 for ( satp = soc->soc_required; *satp; satp++ ) {
 272                         i = at_find_in_list(*satp, soc->soc_allowed);
 273                         if ( i >= 0 ) {
 274                                 at_delete_from_list(i, &soc->soc_allowed);
 275                         }
 276                 }
 277         }
 278         return 0;
 279 }
 280
 281 static int
 282 oc_create_allowed(
 283     ObjectClass         *soc,
 284     char                **attrs,
 285         int                     *op,
 286     const char          **err )
 287 {
 288         char            **attrs1;
 289         AttributeType   *sat;
 290
 291         if ( attrs ) {
 292                 attrs1 = attrs;
 293                 while ( *attrs1 ) {
 294                         sat = at_find(*attrs1);
 295                         if ( !sat ) {
 296                                 *err = *attrs1;
 297                                 return SLAP_SCHERR_ATTR_NOT_FOUND;
 298                         }
 299
 300                         if( is_at_operational( sat )) (*op)++;
 301
 302                         if ( at_find_in_list(sat, soc->soc_required) < 0 &&
 303                              at_find_in_list(sat, soc->soc_allowed) < 0 ) {
 304                                 if ( at_append_to_list(sat, &soc->soc_allowed) ) {
 305                                         *err = *attrs1;
 306                                         return SLAP_SCHERR_OUTOFMEM;
 307                                 }
 308                         }
 309                         attrs1++;
 310                 }
 311         }
 312         return 0;
 313 }
 314
 315 static int
 316 oc_add_sups(
 317         ObjectClass             *soc,
 318         char                    **sups,
 319         int                     *op,
 320         const char              **err )
 321 {
 322         int             code;
 323         ObjectClass     *soc1;
 324         int             nsups;
 325         char    **sups1;
 326         int             add_sups = 0;
 327
 328         if ( sups ) {
 329                 if ( !soc->soc_sups ) {
 330                         /* We are at the first recursive level */
 331                         add_sups = 1;
 332                         nsups = 1;
 333                         sups1 = sups;
 334                         while ( *sups1 ) {
 335                                 nsups++;
 336                                 sups1++;
 337                         }
 338                         soc->soc_sups = (ObjectClass **)ch_calloc(nsups,
 339                                           sizeof(ObjectClass *));
 340                 }
 341
 342                 nsups = 0;
 343                 sups1 = sups;
 344                 while ( *sups1 ) {
 345                         soc1 = oc_find(*sups1);
 346                         if ( !soc1 ) {
 347                                 *err = *sups1;
 348                                 return SLAP_SCHERR_CLASS_NOT_FOUND;
 349                         }
 350
 351                         /* check object class usage
 352                          * abstract classes can only sup abstract classes
 353                          * structural classes can not sup auxiliary classes
 354                          * auxiliary classes can not sup structural classes
 355                          */
 356                         if( soc->soc_kind != soc1->soc_kind
 357                                 && soc1->soc_kind != LDAP_SCHEMA_ABSTRACT )
 358                         {
 359                                 *err = *sups1;
 360                                 return SLAP_SCHERR_CLASS_BAD_SUP;
 361                         }
 362
 363                         if( soc1->soc_obsolete && !soc->soc_obsolete ) {
 364                                 *err = *sups1;
 365                                 return SLAP_SCHERR_CLASS_BAD_SUP;
 366                         }
 367
 368                         if( soc->soc_flags & SLAP_OC_OPERATIONAL ) (*op)++;
 369
 370                         if ( add_sups ) {
 371                                 soc->soc_sups[nsups] = soc1;
 372                         }
 373
 374                         code = oc_add_sups( soc, soc1->soc_sup_oids, op, err );
 375                         if ( code ) return code;
 376
 377                         code = oc_create_required( soc, soc1->soc_at_oids_must, op, err );
 378                         if ( code ) return code;
 379
 380                         code = oc_create_allowed( soc, soc1->soc_at_oids_may, op, err );
 381                         if ( code ) return code;
 382
 383                         nsups++;
 384                         sups1++;
 385                 }
 386         }
 387
 388         return 0;
 389 }
 390
 391 static void
 392 oc_delete_names( ObjectClass *oc )
 393 {
 394         char                    **names = oc->soc_names;
 395
 396         while (*names) {
 397                 struct oindexrec        tmpoir, *oir;
 398
 399                 ber_str2bv( *names, 0, 0, &tmpoir.oir_name );
 400                 tmpoir.oir_oc = oc;
 401                 oir = (struct oindexrec *)avl_delete( &oc_index,
 402                         (caddr_t)&tmpoir, oc_index_cmp );
 403                 assert( oir != NULL );
 404                 ldap_memfree( oir );
 405                 names++;
 406         }
 407 }
 408
 409 /* Mark the ObjectClass as deleted, remove from list, and remove all its
 410  * names from the AVL tree. Leave the OID in the tree.
 411  */
 412 void
 413 oc_delete( ObjectClass *oc )
 414 {
 415         oc->soc_flags |= SLAP_OC_DELETED;
 416
 417         LDAP_STAILQ_REMOVE(&oc_list, oc, ObjectClass, soc_next);
 418
 419         oc_delete_names( oc );
 420 }
 421
 422 static void
 423 oc_clean( ObjectClass *o )
 424 {
 425         if (o->soc_sups) {
 426                 ldap_memfree(o->soc_sups);
 427                 o->soc_sups = NULL;
 428         }
 429         if (o->soc_required) {
 430                 ldap_memfree(o->soc_required);
 431                 o->soc_required = NULL;
 432         }
 433         if (o->soc_allowed) {
 434                 ldap_memfree(o->soc_allowed);
 435                 o->soc_allowed = NULL;
 436         }
 437         if (o->soc_oidmacro) {
 438                 ldap_memfree(o->soc_oidmacro);
 439                 o->soc_oidmacro = NULL;
 440         }
 441 }
 442
 443 static void
 444 oc_destroy_one( void *v )
 445 {
 446         struct oindexrec *oir = v;
 447         ObjectClass *o = oir->oir_oc;
 448
 449         oc_clean( o );
 450         ldap_objectclass_free((LDAPObjectClass *)o);
 451         ldap_memfree(oir);
 452 }
 453
 454 void
 455 oc_destroy( void )
 456 {
 457         ObjectClass *o;
 458
 459         while( !LDAP_STAILQ_EMPTY(&oc_list) ) {
 460                 o = LDAP_STAILQ_FIRST(&oc_list);
 461                 LDAP_STAILQ_REMOVE_HEAD(&oc_list, soc_next);
 462
 463                 oc_delete_names( o );
 464         }
 465
 466         avl_free( oc_index, oc_destroy_one );
 467
 468         while( !LDAP_STAILQ_EMPTY(&oc_undef_list) ) {
 469                 o = LDAP_STAILQ_FIRST(&oc_undef_list);
 470                 LDAP_STAILQ_REMOVE_HEAD(&oc_undef_list, soc_next);
 471
 472                 ch_free( (ObjectClass *)o );
 473         }
 474 }
 475
 476 int
 477 oc_start( ObjectClass **oc )
 478 {
 479         assert( oc != NULL );
 480
 481         *oc = LDAP_STAILQ_FIRST(&oc_list);
 482
 483         return (*oc != NULL);
 484 }
 485
 486 int
 487 oc_next( ObjectClass **oc )
 488 {
 489         assert( oc != NULL );
 490
 491 #if 0   /* pedantic check: breaks when deleting an oc, don't use it. */
 492         {
 493                 ObjectClass *tmp = NULL;
 494
 495                 LDAP_STAILQ_FOREACH(tmp,&oc_list,soc_next) {
 496                         if ( tmp == *oc ) {
 497                                 break;
 498                         }
 499                 }
 500
 501                 assert( tmp != NULL );
 502         }
 503 #endif
 504
 505         if ( *oc == NULL ) {
 506                 return 0;
 507         }
 508
 509         *oc = LDAP_STAILQ_NEXT(*oc,soc_next);
 510
 511         return (*oc != NULL);
 512 }
 513
 514 /*
 515  * check whether the two ObjectClasses actually __are__ identical,
 516  * or rather inconsistent
 517  */
 518 static int
 519 oc_check_dup(
 520         ObjectClass     *soc,
 521         ObjectClass     *new_soc )
 522 {
 523         if ( new_soc->soc_oid != NULL ) {
 524                 if ( soc->soc_oid == NULL ) {
 525                         return SLAP_SCHERR_CLASS_INCONSISTENT;
 526                 }
 527
 528                 if ( strcmp( soc->soc_oid, new_soc->soc_oid ) != 0 ) {
 529                         return SLAP_SCHERR_CLASS_INCONSISTENT;
 530                 }
 531
 532         } else {
 533                 if ( soc->soc_oid != NULL ) {
 534                         return SLAP_SCHERR_CLASS_INCONSISTENT;
 535                 }
 536         }
 537
 538         if ( new_soc->soc_names ) {
 539                 int     i;
 540
 541                 if ( soc->soc_names == NULL ) {
 542                         return SLAP_SCHERR_CLASS_INCONSISTENT;
 543                 }
 544
 545                 for ( i = 0; new_soc->soc_names[ i ]; i++ ) {
 546                         if ( soc->soc_names[ i ] == NULL ) {
 547                                 return SLAP_SCHERR_CLASS_INCONSISTENT;
 548                         }
 549
 550                         if ( strcasecmp( soc->soc_names[ i ],
 551                                         new_soc->soc_names[ i ] ) != 0 )
 552                         {
 553                                 return SLAP_SCHERR_CLASS_INCONSISTENT;
 554                         }
 555                 }
 556         } else {
 557                 if ( soc->soc_names != NULL ) {
 558                         return SLAP_SCHERR_CLASS_INCONSISTENT;
 559                 }
 560         }
 561
 562         return SLAP_SCHERR_CLASS_DUP;
 563 }
 564
 565 static struct oindexrec *oir_old;
 566
 567 static int
 568 oc_dup_error( void *left, void *right )
 569 {
 570         oir_old = left;
 571         return -1;
 572 }
 573
 574 static int
 575 oc_insert(
 576     ObjectClass         **roc,
 577         ObjectClass             *prev,
 578     const char          **err )
 579 {
 580         struct oindexrec        *oir;
 581         char                    **names;
 582         ObjectClass             *soc = *roc;
 583
 584         if ( soc->soc_oid ) {
 585                 oir = (struct oindexrec *)
 586                         ch_calloc( 1, sizeof(struct oindexrec) );
 587                 ber_str2bv( soc->soc_oid, 0, 0, &oir->oir_name );
 588                 oir->oir_oc = soc;
 589                 oir_old = NULL;
 590
 591                 if ( avl_insert( &oc_index, (caddr_t) oir,
 592                         oc_index_cmp, oc_dup_error ) )
 593                 {
 594                         ObjectClass     *old_soc;
 595                         int             rc;
 596
 597                         *err = soc->soc_oid;
 598
 599                         assert( oir_old != NULL );
 600                         old_soc = oir_old->oir_oc;
 601
 602                         /* replacing a deleted definition? */
 603                         if ( old_soc->soc_flags & SLAP_OC_DELETED ) {
 604                                 ObjectClass tmp;
 605
 606                                 /* Keep old oid, free new oid;
 607                                  * Keep new everything else, free old
 608                                  */
 609                                 tmp = *old_soc;
 610                                 *old_soc = *soc;
 611                                 old_soc->soc_oid = tmp.soc_oid;
 612                                 tmp.soc_oid = soc->soc_oid;
 613                                 *soc = tmp;
 614
 615                                 oc_clean( soc );
 616                                 oc_destroy_one( oir );
 617
 618                                 oir = oir_old;
 619                                 soc = old_soc;
 620                                 *roc = soc;
 621                         } else {
 622                                 rc = oc_check_dup( old_soc, soc );
 623
 624                                 ldap_memfree( oir );
 625                                 return rc;
 626                         }
 627                 }
 628
 629                 /* FIX: temporal consistency check */
 630                 assert( oc_bvfind( &oir->oir_name ) != NULL );
 631         }
 632
 633         if ( (names = soc->soc_names) ) {
 634                 while ( *names ) {
 635                         oir = (struct oindexrec *)
 636                                 ch_calloc( 1, sizeof(struct oindexrec) );
 637                         oir->oir_name.bv_val = *names;
 638                         oir->oir_name.bv_len = strlen( *names );
 639                         oir->oir_oc = soc;
 640
 641                         assert( oir->oir_name.bv_val != NULL );
 642                         assert( oir->oir_oc != NULL );
 643
 644                         if ( avl_insert( &oc_index, (caddr_t) oir,
 645                                 oc_index_cmp, avl_dup_error ) )
 646                         {
 647                                 ObjectClass     *old_soc;
 648                                 int             rc;
 649
 650                                 *err = *names;
 651
 652                                 old_soc = oc_bvfind( &oir->oir_name );
 653                                 assert( old_soc != NULL );
 654                                 rc = oc_check_dup( old_soc, soc );
 655
 656                                 ldap_memfree( oir );
 657
 658                                 while ( names > soc->soc_names ) {
 659                                         struct oindexrec        tmpoir;
 660
 661                                         names--;
 662                                         ber_str2bv( *names, 0, 0, &tmpoir.oir_name );
 663                                         tmpoir.oir_oc = soc;
 664                                         oir = (struct oindexrec *)avl_delete( &oc_index,
 665                                                 (caddr_t)&tmpoir, oc_index_cmp );
 666                                         assert( oir != NULL );
 667                                         ldap_memfree( oir );
 668                                 }
 669
 670                                 if ( soc->soc_oid ) {
 671                                         struct oindexrec        tmpoir;
 672
 673                                         ber_str2bv( soc->soc_oid, 0, 0, &tmpoir.oir_name );
 674                                         tmpoir.oir_oc = soc;
 675                                         oir = (struct oindexrec *)avl_delete( &oc_index,
 676                                                 (caddr_t)&tmpoir, oc_index_cmp );
 677                                         assert( oir != NULL );
 678                                         ldap_memfree( oir );
 679                                 }
 680
 681                                 return rc;
 682                         }
 683
 684                         /* FIX: temporal consistency check */
 685                         assert( oc_bvfind(&oir->oir_name) != NULL );
 686
 687                         names++;
 688                 }
 689         }
 690         if ( soc->soc_flags & SLAP_OC_HARDCODE ) {
 691                 prev = oc_sys_tail;
 692                 oc_sys_tail = soc;
 693         }
 694         if ( prev ) {
 695                 LDAP_STAILQ_INSERT_AFTER( &oc_list, prev, soc, soc_next );
 696         } else {
 697                 LDAP_STAILQ_INSERT_TAIL( &oc_list, soc, soc_next );
 698         }
 699
 700         return 0;
 701 }
 702
 703 int
 704 oc_add(
 705     LDAPObjectClass     *oc,
 706         int user,
 707         ObjectClass             **rsoc,
 708         ObjectClass             *prev,
 709     const char          **err )
 710 {
 711         ObjectClass     *soc;
 712         int             code;
 713         int             op = 0;
 714         char    *oidm = NULL;
 715
 716         if ( oc->oc_names != NULL ) {
 717                 int i;
 718
 719                 for( i=0; oc->oc_names[i]; i++ ) {
 720                         if( !slap_valid_descr( oc->oc_names[i] ) ) {
 721                                 return SLAP_SCHERR_BAD_DESCR;
 722                         }
 723                 }
 724         }
 725
 726         if ( !OID_LEADCHAR( oc->oc_oid[0] )) {
 727                 /* Expand OID macros */
 728                 char *oid = oidm_find( oc->oc_oid );
 729                 if ( !oid ) {
 730                         *err = oc->oc_oid;
 731                         return SLAP_SCHERR_OIDM;
 732                 }
 733                 if ( oid != oc->oc_oid ) {
 734                         oidm = oc->oc_oid;
 735                         oc->oc_oid = oid;
 736                 }
 737         }
 738
 739         soc = (ObjectClass *) ch_calloc( 1, sizeof(ObjectClass) );
 740         AC_MEMCPY( &soc->soc_oclass, oc, sizeof(LDAPObjectClass) );
 741
 742         soc->soc_oidmacro = oidm;
 743         if( oc->oc_names != NULL ) {
 744                 soc->soc_cname.bv_val = soc->soc_names[0];
 745         } else {
 746                 soc->soc_cname.bv_val = soc->soc_oid;
 747         }
 748         soc->soc_cname.bv_len = strlen( soc->soc_cname.bv_val );
 749
 750         if( soc->soc_sup_oids == NULL &&
 751                 soc->soc_kind == LDAP_SCHEMA_STRUCTURAL )
 752         {
 753                 /* structural object classes implicitly inherit from 'top' */
 754                 static char *top_oids[] = { SLAPD_TOP_OID, NULL };
 755                 code = oc_add_sups( soc, top_oids, &op, err );
 756         } else {
 757                 code = oc_add_sups( soc, soc->soc_sup_oids, &op, err );
 758         }
 759
 760         if ( code != 0 ) {
 761                 goto done;
 762         }
 763
 764         if ( user && op ) {
 765                 code = SLAP_SCHERR_CLASS_BAD_SUP;
 766                 goto done;
 767         }
 768
 769         code = oc_create_required( soc, soc->soc_at_oids_must, &op, err );
 770         if ( code != 0 ) {
 771                 goto done;
 772         }
 773
 774         code = oc_create_allowed( soc, soc->soc_at_oids_may, &op, err );
 775         if ( code != 0 ) {
 776                 goto done;
 777         }
 778
 779         if ( user && op ) {
 780                 code = SLAP_SCHERR_CLASS_BAD_USAGE;
 781                 goto done;
 782         }
 783
 784         if ( !user ) {
 785                 soc->soc_flags |= SLAP_OC_HARDCODE;
 786         }
 787
 788         code = oc_insert(&soc,prev,err);
 789 done:;
 790         if ( code != 0 ) {
 791                 if ( soc->soc_sups ) {
 792                         ch_free( soc->soc_sups );
 793                 }
 794
 795                 if ( soc->soc_required ) {
 796                         ch_free( soc->soc_required );
 797                 }
 798
 799                 if ( soc->soc_allowed ) {
 800                         ch_free( soc->soc_allowed );
 801                 }
 802
 803                 ch_free( soc );
 804
 805         } else if ( rsoc ) {
 806                 *rsoc = soc;
 807         }
 808         return code;
 809 }
 810
 811 void
 812 oc_unparse( BerVarray *res, ObjectClass *start, ObjectClass *end, int sys )
 813 {
 814         ObjectClass *oc;
 815         int i, num;
 816         struct berval bv, *bva = NULL, idx;
 817         char ibuf[32];
 818
 819         if ( !start )
 820                 start = LDAP_STAILQ_FIRST( &oc_list );
 821
 822         /* count the result size */
 823         i = 0;
 824         for ( oc=start; oc; oc=LDAP_STAILQ_NEXT(oc, soc_next)) {
 825                 if ( sys && !(oc->soc_flags & SLAP_OC_HARDCODE)) break;
 826                 i++;
 827                 if ( oc == end ) break;
 828         }
 829         if (!i) return;
 830
 831         num = i;
 832         bva = ch_malloc( (num+1) * sizeof(struct berval) );
 833         BER_BVZERO( bva );
 834         idx.bv_val = ibuf;
 835         if ( sys ) {
 836                 idx.bv_len = 0;
 837                 ibuf[0] = '\0';
 838         }
 839         i = 0;
 840         for ( oc=start; oc; oc=LDAP_STAILQ_NEXT(oc, soc_next)) {
 841                 LDAPObjectClass loc, *locp;
 842                 if ( sys && !(oc->soc_flags & SLAP_OC_HARDCODE)) break;
 843                 if ( oc->soc_oidmacro ) {
 844                         loc = oc->soc_oclass;
 845                         loc.oc_oid = oc->soc_oidmacro;
 846                         locp = &loc;
 847                 } else {
 848                         locp = &oc->soc_oclass;
 849                 }
 850                 if ( ldap_objectclass2bv( locp, &bv ) == NULL ) {
 851                         ber_bvarray_free( bva );
 852                 }
 853                 if ( !sys ) {
 854                         idx.bv_len = sprintf(idx.bv_val, "{%d}", i);
 855                 }
 856                 bva[i].bv_len = idx.bv_len + bv.bv_len;
 857                 bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
 858                 strcpy( bva[i].bv_val, ibuf );
 859                 strcpy( bva[i].bv_val + idx.bv_len, bv.bv_val );
 860                 i++;
 861                 bva[i].bv_val = NULL;
 862                 ldap_memfree( bv.bv_val );
 863                 if ( oc == end ) break;
 864         }
 865         *res = bva;
 866 }
 867
 868 int
 869 oc_schema_info( Entry *e )
 870 {
 871         AttributeDescription *ad_objectClasses = slap_schema.si_ad_objectClasses;
 872         ObjectClass     *oc;
 873         struct berval   val;
 874         struct berval   nval;
 875
 876         LDAP_STAILQ_FOREACH( oc, &oc_list, soc_next ) {
 877                 if( oc->soc_flags & SLAP_OC_HIDE ) continue;
 878
 879                 if ( ldap_objectclass2bv( &oc->soc_oclass, &val ) == NULL ) {
 880                         return -1;
 881                 }
 882
 883                 nval = oc->soc_cname;
 884
 885 #if 0
 886                 Debug( LDAP_DEBUG_TRACE, "Merging oc [%ld] %s (%s)\n",
 887                (long) val.bv_len, val.bv_val, nval.bv_val );
 888 #endif
 889
 890                 if( attr_merge_one( e, ad_objectClasses, &val, &nval ) ) {
 891                         return -1;
 892                 }
 893                 ldap_memfree( val.bv_val );
 894         }
 895         return 0;
 896 }
 897
 898 int
 899 register_oc( const char *def, ObjectClass **soc, int dupok )
 900 {
 901         LDAPObjectClass *oc;
 902         int code;
 903         const char *err;
 904
 905         oc = ldap_str2objectclass( def, &code, &err, LDAP_SCHEMA_ALLOW_ALL );
 906         if ( !oc ) {
 907                 Debug( LDAP_DEBUG_ANY,
 908                         "register_oc: objectclass \"%s\": %s, %s\n",
 909                         def, ldap_scherr2str(code), err );
 910                 return code;
 911         }
 912         code = oc_add(oc,0,NULL,NULL,&err);
 913         if ( code && ( code != SLAP_SCHERR_CLASS_DUP || !dupok )) {
 914                 Debug( LDAP_DEBUG_ANY,
 915                         "register_oc: objectclass \"%s\": %s, %s\n",
 916                         def, scherr2str(code), err );
 917                 ldap_objectclass_free(oc);
 918                 return code;
 919         }
 920         if ( soc )
 921                 *soc = oc_find(oc->oc_names[0]);
 922         if ( code ) {
 923                 ldap_objectclass_free(oc);
 924         } else {
 925                 ldap_memfree(oc);
 926         }
 927         return 0;
 928 }