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

   1 /* schema.c - routines to enforce schema definitions */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/ctype.h>
  13 #include <ac/string.h>
  14 #include <ac/socket.h>
  15
  16 #include "slap.h"
  17 #include "ldap_pvt.h"
  18
  19 static char *   oc_check_required(Entry *e, char *ocname);
  20 static int              oc_check_allowed(char *type, struct berval **ocl);
  21
  22 /*
  23  * oc_check - check that entry e conforms to the schema required by
  24  * its object class(es). returns 0 if so, non-zero otherwise.
  25  */
  26
  27 int
  28 oc_schema_check( Entry *e )
  29 {
  30         Attribute       *a, *aoc;
  31         ObjectClass *oc;
  32         int             i;
  33         int             ret = 0;
  34
  35
  36         /* find the object class attribute - could error out here */
  37         if ( (aoc = attr_find( e->e_attrs, "objectclass" )) == NULL ) {
  38                 Debug( LDAP_DEBUG_ANY, "No object class for entry (%s)\n",
  39                     e->e_dn, 0, 0 );
  40                 return( 1 );
  41         }
  42
  43         /* check that the entry has required attrs for each oc */
  44         for ( i = 0; aoc->a_vals[i] != NULL; i++ ) {
  45                 if ( (oc = oc_find( aoc->a_vals[i]->bv_val )) == NULL ) {
  46                         Debug( LDAP_DEBUG_ANY,
  47                                 "Objectclass \"%s\" not defined\n",
  48                                 aoc->a_vals[i]->bv_val, 0, 0 );
  49                 }
  50                 else
  51                 {
  52                         char *s = oc_check_required( e, aoc->a_vals[i]->bv_val );
  53
  54                         if (s != NULL) {
  55                                 Debug( LDAP_DEBUG_ANY,
  56                                         "Entry (%s), oc \"%s\" requires attr \"%s\"\n",
  57                                         e->e_dn, aoc->a_vals[i]->bv_val, s );
  58                                 ret = 1;
  59                         }
  60                 }
  61         }
  62
  63         if ( ret != 0 ) {
  64             return( ret );
  65         }
  66
  67         /* check that each attr in the entry is allowed by some oc */
  68         for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
  69                 if ( oc_check_allowed( a->a_type, aoc->a_vals ) != 0 ) {
  70                         Debug( LDAP_DEBUG_ANY,
  71                             "Entry (%s), attr \"%s\" not allowed\n",
  72                             e->e_dn, a->a_type, 0 );
  73                         ret = 1;
  74                 }
  75         }
  76
  77         return( ret );
  78 }
  79
  80 static char *
  81 oc_check_required( Entry *e, char *ocname )
  82 {
  83         ObjectClass     *oc;
  84         AttributeType   *at;
  85         int             i;
  86         Attribute       *a;
  87         char            **pp;
  88
  89         Debug( LDAP_DEBUG_TRACE,
  90                "oc_check_required entry (%s), objectclass \"%s\"\n",
  91                e->e_dn, ocname, 0 );
  92
  93         /* find global oc defn. it we don't know about it assume it's ok */
  94         if ( (oc = oc_find( ocname )) == NULL ) {
  95                 return( 0 );
  96         }
  97
  98         /* check for empty oc_required */
  99         if(oc->soc_required == NULL) {
 100                 return( 0 );
 101         }
 102
 103         /* for each required attribute */
 104         for ( i = 0; oc->soc_required[i] != NULL; i++ ) {
 105                 at = oc->soc_required[i];
 106                 /* see if it's in the entry */
 107                 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 108                         if ( at->sat_oid &&
 109                              strcmp( a->a_type, at->sat_oid ) == 0 ) {
 110                                 break;
 111                         }
 112                         pp = at->sat_names;
 113                         if ( pp  == NULL ) {
 114                                 /* Empty name list => not found */
 115                                 a = NULL;
 116                                 break;
 117                         }
 118                         while ( *pp ) {
 119                                 if ( strcasecmp( a->a_type, *pp ) == 0 ) {
 120                                         break;
 121                                 }
 122                                 pp++;
 123                         }
 124                         if ( *pp ) {
 125                                 break;
 126                         }
 127                 }
 128                 /* not there => schema violation */
 129                 if ( a == NULL ) {
 130                         if ( at->sat_names && at->sat_names[0] ) {
 131                                 return at->sat_names[0];
 132                         } else {
 133                                 return at->sat_oid;
 134                         }
 135                 }
 136         }
 137
 138         return( NULL );
 139 }
 140
 141 static char *oc_usermod_attrs[] = {
 142         /*
 143          * OpenLDAP doesn't support any user modification of
 144          * operational attributes.
 145          */
 146         NULL
 147 };
 148
 149 static char *oc_operational_attrs[] = {
 150         /*
 151          * these are operational attributes
 152          * most could be user modifiable
 153          */
 154         "objectClasses",
 155         "attributeTypes",
 156         "matchingRules",
 157         "matchingRuleUse",
 158         "dITStructureRules",
 159         "dITContentRules",
 160         "nameForms",
 161         "ldapSyntaxes",
 162         "namingContexts",
 163         "supportedExtension",
 164         "supportedControl",
 165         "supportedSASLMechanisms",
 166         "supportedLDAPversion",
 167         "supportedACIMechanisms",
 168         "subschemaSubentry",            /* NO USER MOD */
 169         NULL
 170
 171 };
 172
 173 /* this list should be extensible  */
 174 static char *oc_no_usermod_attrs[] = {
 175         /*
 176          * Operational and 'no user modification' attributes
 177          * which are STORED in the directory server.
 178          */
 179
 180         /* RFC2252, 3.2.1 */
 181         "creatorsName",
 182         "createTimestamp",
 183         "modifiersName",
 184         "modifyTimestamp",
 185
 186         NULL
 187 };
 188
 189
 190 /*
 191  * check to see if attribute is 'operational' or not.
 192  */
 193 int
 194 oc_check_operational_attr( const char *type )
 195 {
 196         return charray_inlist( oc_operational_attrs, type )
 197                 || charray_inlist( oc_usermod_attrs, type )
 198                 || charray_inlist( oc_no_usermod_attrs, type );
 199 }
 200
 201 /*
 202  * check to see if attribute can be user modified or not.
 203  */
 204 int
 205 oc_check_usermod_attr( const char *type )
 206 {
 207         return charray_inlist( oc_usermod_attrs, type );
 208 }
 209
 210 /*
 211  * check to see if attribute is 'no user modification' or not.
 212  */
 213 int
 214 oc_check_no_usermod_attr( const char *type )
 215 {
 216         return charray_inlist( oc_no_usermod_attrs, type );
 217 }
 218
 219
 220 static int
 221 oc_check_allowed( char *type, struct berval **ocl )
 222 {
 223         ObjectClass     *oc;
 224         AttributeType   *at;
 225         int             i, j;
 226         char            **pp;
 227         char            *p, *t;
 228
 229         Debug( LDAP_DEBUG_TRACE,
 230                "oc_check_allowed type \"%s\"\n", type, 0, 0 );
 231
 232         /* always allow objectclass attribute */
 233         if ( strcasecmp( type, "objectclass" ) == 0 ) {
 234                 return( 0 );
 235         }
 236
 237         /*
 238          * All operational attributions are allowed by schema rules.
 239          * However, we only check attributions which are stored in the
 240          * the directory regardless if they are user or non-user modified.
 241          */
 242         if ( oc_check_usermod_attr( type ) || oc_check_no_usermod_attr( type ) ) {
 243                 return( 0 );
 244         }
 245
 246         /*
 247          * The "type" we have received is actually an AttributeDescription.
 248          * Let's find out the corresponding type.
 249          */
 250         p = strchr( type, ';' );
 251         if ( p ) {
 252                 t = ch_malloc( p-type+1 );
 253                 strncpy( t, type, p-type );
 254                 t[p-type] = '\0';
 255                 Debug( LDAP_DEBUG_TRACE,
 256                        "oc_check_allowed type \"%s\" from \"%s\"\n",
 257                        t, type, 0 );
 258
 259         } else {
 260                 t = type;
 261         }
 262
 263         /* check that the type appears as req or opt in at least one oc */
 264         for ( i = 0; ocl[i] != NULL; i++ ) {
 265                 /* if we know about the oc */
 266                 if ( (oc = oc_find( ocl[i]->bv_val )) != NULL ) {
 267                         /* does it require the type? */
 268                         for ( j = 0; oc->soc_required != NULL &&
 269                                 oc->soc_required[j] != NULL; j++ ) {
 270                                 at = oc->soc_required[j];
 271                                 if ( at->sat_oid &&
 272                                      strcmp(at->sat_oid, t ) == 0 ) {
 273                                         if ( t != type )
 274                                                 ldap_memfree( t );
 275                                         return( 0 );
 276                                 }
 277                                 pp = at->sat_names;
 278                                 if ( pp == NULL )
 279                                         continue;
 280                                 while ( *pp ) {
 281                                         if ( strcasecmp( *pp, t ) == 0 ) {
 282                                                 if ( t != type )
 283                                                         ldap_memfree( t );
 284                                                 return( 0 );
 285                                         }
 286                                         pp++;
 287                                 }
 288                         }
 289                         /* does it allow the type? */
 290                         for ( j = 0; oc->soc_allowed != NULL &&
 291                                 oc->soc_allowed[j] != NULL; j++ ) {
 292                                 at = oc->soc_allowed[j];
 293                                 if ( at->sat_oid &&
 294                                      strcmp( at->sat_oid, t ) == 0 ) {
 295                                         if ( t != type )
 296                                                 ldap_memfree( t );
 297                                         return( 0 );
 298                                 }
 299                                 pp = at->sat_names;
 300                                 if ( pp == NULL )
 301                                         continue;
 302                                 while ( *pp ) {
 303                                         if ( strcasecmp( *pp, t ) == 0 ||
 304                                              strcmp( *pp, "*" ) == 0 ) {
 305                                                 if ( t != type )
 306                                                         ldap_memfree( t );
 307                                                 return( 0 );
 308                                         }
 309                                         pp++;
 310                                 }
 311                         }
 312                         /* maybe the next oc allows it */
 313
 314 #ifdef OC_UNDEFINED_IMPLES_EXTENSIBLE
 315                 /* we don't know about the oc. assume it allows it */
 316                 } else {
 317                         if ( t != type )
 318                                 ldap_memfree( t );
 319                         return( 0 );
 320 #endif
 321                 }
 322         }
 323
 324         if ( t != type )
 325                 ldap_memfree( t );
 326         /* not allowed by any oc */
 327         return( 1 );
 328 }
 329
 330 struct oindexrec {
 331         char            *oir_name;
 332         ObjectClass     *oir_oc;
 333 };
 334
 335 static Avlnode  *oc_index = NULL;
 336 static ObjectClass *oc_list = NULL;
 337
 338 static int
 339 oc_index_cmp(
 340     struct oindexrec    *oir1,
 341     struct oindexrec    *oir2
 342 )
 343 {
 344         return (strcasecmp( oir1->oir_name, oir2->oir_name ));
 345 }
 346
 347 static int
 348 oc_index_name_cmp(
 349     char                *name,
 350     struct oindexrec    *oir
 351 )
 352 {
 353         return (strcasecmp( name, oir->oir_name ));
 354 }
 355
 356 ObjectClass *
 357 oc_find( const char *ocname )
 358 {
 359         struct oindexrec        *oir = NULL;
 360
 361         if ( (oir = (struct oindexrec *) avl_find( oc_index, ocname,
 362             (AVL_CMP) oc_index_name_cmp )) != NULL ) {
 363                 return( oir->oir_oc );
 364         }
 365         return( NULL );
 366 }
 367
 368 static int
 369 oc_create_required(
 370     ObjectClass         *soc,
 371     char                **attrs,
 372     const char          **err
 373 )
 374 {
 375         char            **attrs1;
 376         AttributeType   *sat;
 377         AttributeType   **satp;
 378         int             i;
 379
 380         if ( attrs ) {
 381                 attrs1 = attrs;
 382                 while ( *attrs1 ) {
 383                         sat = at_find(*attrs1);
 384                         if ( !sat ) {
 385                                 *err = *attrs1;
 386                                 return SLAP_SCHERR_ATTR_NOT_FOUND;
 387                         }
 388                         if ( at_find_in_list(sat, soc->soc_required) < 0) {
 389                                 if ( at_append_to_list(sat, &soc->soc_required) ) {
 390                                         *err = *attrs1;
 391                                         return SLAP_SCHERR_OUTOFMEM;
 392                                 }
 393                         }
 394                         attrs1++;
 395                 }
 396                 /* Now delete duplicates from the allowed list */
 397                 for ( satp = soc->soc_required; *satp; satp++ ) {
 398                         i = at_find_in_list(*satp,soc->soc_allowed);
 399                         if ( i >= 0 ) {
 400                                 at_delete_from_list(i, &soc->soc_allowed);
 401                         }
 402                 }
 403         }
 404         return 0;
 405 }
 406
 407 static int
 408 oc_create_allowed(
 409     ObjectClass         *soc,
 410     char                **attrs,
 411     const char          **err
 412 )
 413 {
 414         char            **attrs1;
 415         AttributeType   *sat;
 416
 417         if ( attrs ) {
 418                 attrs1 = attrs;
 419                 while ( *attrs1 ) {
 420                         sat = at_find(*attrs1);
 421                         if ( !sat ) {
 422                                 *err = *attrs1;
 423                                 return SLAP_SCHERR_ATTR_NOT_FOUND;
 424                         }
 425                         if ( at_find_in_list(sat, soc->soc_required) < 0 &&
 426                              at_find_in_list(sat, soc->soc_allowed) < 0 ) {
 427                                 if ( at_append_to_list(sat, &soc->soc_allowed) ) {
 428                                         *err = *attrs1;
 429                                         return SLAP_SCHERR_OUTOFMEM;
 430                                 }
 431                         }
 432                         attrs1++;
 433                 }
 434         }
 435         return 0;
 436 }
 437
 438 static int
 439 oc_add_sups(
 440     ObjectClass         *soc,
 441     char                **sups,
 442     const char          **err
 443 )
 444 {
 445         int             code;
 446         ObjectClass     *soc1;
 447         int             nsups;
 448         char            **sups1;
 449         int             add_sups = 0;
 450
 451         if ( sups ) {
 452                 if ( !soc->soc_sups ) {
 453                         /* We are at the first recursive level */
 454                         add_sups = 1;
 455                         nsups = 0;
 456                         sups1 = sups;
 457                         while ( *sups1 ) {
 458                                 nsups++;
 459                                 sups1++;
 460                         }
 461                         nsups++;
 462                         soc->soc_sups = (ObjectClass **)ch_calloc(1,
 463                                           nsups*sizeof(ObjectClass *));
 464                 }
 465                 nsups = 0;
 466                 sups1 = sups;
 467                 while ( *sups1 ) {
 468                         soc1 = oc_find(*sups1);
 469                         if ( !soc1 ) {
 470                                 *err = *sups1;
 471                                 return SLAP_SCHERR_CLASS_NOT_FOUND;
 472                         }
 473
 474                         if ( add_sups )
 475                                 soc->soc_sups[nsups] = soc1;
 476
 477                         code = oc_add_sups(soc,soc1->soc_sup_oids, err);
 478                         if ( code )
 479                                 return code;
 480
 481                         code = oc_create_required(soc,soc1->soc_at_oids_must,err);
 482                         if ( code )
 483                                 return code;
 484                         code = oc_create_allowed(soc,soc1->soc_at_oids_may,err);
 485                         if ( code )
 486                                 return code;
 487
 488                         nsups++;
 489                         sups1++;
 490                 }
 491         }
 492         return 0;
 493 }
 494
 495 static int
 496 oc_insert(
 497     ObjectClass         *soc,
 498     const char          **err
 499 )
 500 {
 501         ObjectClass     **ocp;
 502         struct oindexrec        *oir;
 503         char                    **names;
 504
 505         ocp = &oc_list;
 506         while ( *ocp != NULL ) {
 507                 ocp = &(*ocp)->soc_next;
 508         }
 509         *ocp = soc;
 510
 511         if ( soc->soc_oid ) {
 512                 oir = (struct oindexrec *)
 513                         ch_calloc( 1, sizeof(struct oindexrec) );
 514                 oir->oir_name = soc->soc_oid;
 515                 oir->oir_oc = soc;
 516                 if ( avl_insert( &oc_index, (caddr_t) oir,
 517                                  (AVL_CMP) oc_index_cmp,
 518                                  (AVL_DUP) avl_dup_error ) ) {
 519                         *err = soc->soc_oid;
 520                         ldap_memfree(oir);
 521                         return SLAP_SCHERR_DUP_CLASS;
 522                 }
 523                 /* FIX: temporal consistency check */
 524                 oc_find(oir->oir_name);
 525         }
 526         if ( (names = soc->soc_names) ) {
 527                 while ( *names ) {
 528                         oir = (struct oindexrec *)
 529                                 ch_calloc( 1, sizeof(struct oindexrec) );
 530                         oir->oir_name = ch_strdup(*names);
 531                         oir->oir_oc = soc;
 532                         if ( avl_insert( &oc_index, (caddr_t) oir,
 533                                          (AVL_CMP) oc_index_cmp,
 534                                          (AVL_DUP) avl_dup_error ) ) {
 535                                 *err = *names;
 536                                 ldap_memfree(oir);
 537                                 return SLAP_SCHERR_DUP_CLASS;
 538                         }
 539                         /* FIX: temporal consistency check */
 540                         oc_find(oir->oir_name);
 541                         names++;
 542                 }
 543         }
 544         return 0;
 545 }
 546
 547 int
 548 oc_add(
 549     LDAP_OBJECT_CLASS   *oc,
 550     const char          **err
 551 )
 552 {
 553         ObjectClass     *soc;
 554         int             code;
 555
 556         soc = (ObjectClass *) ch_calloc( 1, sizeof(ObjectClass) );
 557         memcpy( &soc->soc_oclass, oc, sizeof(LDAP_OBJECT_CLASS));
 558         if ( (code = oc_add_sups(soc,soc->soc_sup_oids,err)) != 0 )
 559                 return code;
 560         if ( (code = oc_create_required(soc,soc->soc_at_oids_must,err)) != 0 )
 561                 return code;
 562         if ( (code = oc_create_allowed(soc,soc->soc_at_oids_may,err)) != 0 )
 563                 return code;
 564         code = oc_insert(soc,err);
 565         return code;
 566 }
 567
 568 struct sindexrec {
 569         char            *sir_name;
 570         Syntax          *sir_syn;
 571 };
 572
 573 static Avlnode  *syn_index = NULL;
 574 static Syntax *syn_list = NULL;
 575
 576 static int
 577 syn_index_cmp(
 578     struct sindexrec    *sir1,
 579     struct sindexrec    *sir2
 580 )
 581 {
 582         return (strcmp( sir1->sir_name, sir2->sir_name ));
 583 }
 584
 585 static int
 586 syn_index_name_cmp(
 587     char                *name,
 588     struct sindexrec    *sir
 589 )
 590 {
 591         return (strcmp( name, sir->sir_name ));
 592 }
 593
 594 Syntax *
 595 syn_find( const char *synname )
 596 {
 597         struct sindexrec        *sir = NULL;
 598
 599         if ( (sir = (struct sindexrec *) avl_find( syn_index, synname,
 600             (AVL_CMP) syn_index_name_cmp )) != NULL ) {
 601                 return( sir->sir_syn );
 602         }
 603         return( NULL );
 604 }
 605
 606 Syntax *
 607 syn_find_desc( const char *syndesc, int *len )
 608 {
 609         Syntax          *synp;
 610
 611         for (synp = syn_list; synp; synp = synp->ssyn_next)
 612                 if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{')))
 613                         return synp;
 614         return( NULL );
 615 }
 616
 617 static int
 618 syn_insert(
 619     Syntax              *ssyn,
 620     const char          **err
 621 )
 622 {
 623         Syntax          **synp;
 624         struct sindexrec        *sir;
 625
 626         synp = &syn_list;
 627         while ( *synp != NULL ) {
 628                 synp = &(*synp)->ssyn_next;
 629         }
 630         *synp = ssyn;
 631
 632         if ( ssyn->ssyn_oid ) {
 633                 sir = (struct sindexrec *)
 634                         ch_calloc( 1, sizeof(struct sindexrec) );
 635                 sir->sir_name = ssyn->ssyn_oid;
 636                 sir->sir_syn = ssyn;
 637                 if ( avl_insert( &syn_index, (caddr_t) sir,
 638                                  (AVL_CMP) syn_index_cmp,
 639                                  (AVL_DUP) avl_dup_error ) ) {
 640                         *err = ssyn->ssyn_oid;
 641                         ldap_memfree(sir);
 642                         return SLAP_SCHERR_DUP_SYNTAX;
 643                 }
 644                 /* FIX: temporal consistency check */
 645                 syn_find(sir->sir_name);
 646         }
 647         return 0;
 648 }
 649
 650 int
 651 syn_add(
 652     LDAP_SYNTAX         *syn,
 653     slap_syntax_validate_func   *validate,
 654     slap_syntax_transform_func  *ber2str,
 655     slap_syntax_transform_func  *str2ber,
 656     const char          **err
 657 )
 658 {
 659         Syntax          *ssyn;
 660         int             code;
 661
 662         ssyn = (Syntax *) ch_calloc( 1, sizeof(Syntax) );
 663         memcpy( &ssyn->ssyn_syn, syn, sizeof(LDAP_SYNTAX));
 664
 665         ssyn->ssyn_validate = validate;
 666         ssyn->ssyn_ber2str = ber2str;
 667         ssyn->ssyn_str2ber = str2ber;
 668
 669         code = syn_insert(ssyn,err);
 670         return code;
 671 }
 672
 673 struct mindexrec {
 674         char            *mir_name;
 675         MatchingRule    *mir_mr;
 676 };
 677
 678 static Avlnode  *mr_index = NULL;
 679 static MatchingRule *mr_list = NULL;
 680
 681 static int
 682 mr_index_cmp(
 683     struct mindexrec    *mir1,
 684     struct mindexrec    *mir2
 685 )
 686 {
 687         return (strcmp( mir1->mir_name, mir2->mir_name ));
 688 }
 689
 690 static int
 691 mr_index_name_cmp(
 692     char                *name,
 693     struct mindexrec    *mir
 694 )
 695 {
 696         return (strcmp( name, mir->mir_name ));
 697 }
 698
 699 MatchingRule *
 700 mr_find( const char *mrname )
 701 {
 702         struct mindexrec        *mir = NULL;
 703
 704         if ( (mir = (struct mindexrec *) avl_find( mr_index, mrname,
 705             (AVL_CMP) mr_index_name_cmp )) != NULL ) {
 706                 return( mir->mir_mr );
 707         }
 708         return( NULL );
 709 }
 710
 711 static int
 712 mr_insert(
 713     MatchingRule        *smr,
 714     const char          **err
 715 )
 716 {
 717         MatchingRule            **mrp;
 718         struct mindexrec        *mir;
 719         char                    **names;
 720
 721         mrp = &mr_list;
 722         while ( *mrp != NULL ) {
 723                 mrp = &(*mrp)->smr_next;
 724         }
 725         *mrp = smr;
 726
 727         if ( smr->smr_oid ) {
 728                 mir = (struct mindexrec *)
 729                         ch_calloc( 1, sizeof(struct mindexrec) );
 730                 mir->mir_name = smr->smr_oid;
 731                 mir->mir_mr = smr;
 732                 if ( avl_insert( &mr_index, (caddr_t) mir,
 733                                  (AVL_CMP) mr_index_cmp,
 734                                  (AVL_DUP) avl_dup_error ) ) {
 735                         *err = smr->smr_oid;
 736                         ldap_memfree(mir);
 737                         return SLAP_SCHERR_DUP_RULE;
 738                 }
 739                 /* FIX: temporal consistency check */
 740                 mr_find(mir->mir_name);
 741         }
 742         if ( (names = smr->smr_names) ) {
 743                 while ( *names ) {
 744                         mir = (struct mindexrec *)
 745                                 ch_calloc( 1, sizeof(struct mindexrec) );
 746                         mir->mir_name = ch_strdup(*names);
 747                         mir->mir_mr = smr;
 748                         if ( avl_insert( &mr_index, (caddr_t) mir,
 749                                          (AVL_CMP) mr_index_cmp,
 750                                          (AVL_DUP) avl_dup_error ) ) {
 751                                 *err = *names;
 752                                 ldap_memfree(mir);
 753                                 return SLAP_SCHERR_DUP_RULE;
 754                         }
 755                         /* FIX: temporal consistency check */
 756                         mr_find(mir->mir_name);
 757                         names++;
 758                 }
 759         }
 760         return 0;
 761 }
 762
 763 int
 764 mr_add(
 765     LDAP_MATCHING_RULE          *mr,
 766         slap_mr_normalize_func *normalize,
 767     slap_mr_match_func  *match,
 768     const char          **err
 769 )
 770 {
 771         MatchingRule    *smr;
 772         Syntax          *syn;
 773         int             code;
 774
 775         smr = (MatchingRule *) ch_calloc( 1, sizeof(MatchingRule) );
 776         memcpy( &smr->smr_mrule, mr, sizeof(LDAP_MATCHING_RULE));
 777
 778         smr->smr_normalize = normalize;
 779         smr->smr_match = match;
 780
 781         if ( smr->smr_syntax_oid ) {
 782                 if ( (syn = syn_find(smr->smr_syntax_oid)) ) {
 783                         smr->smr_syntax = syn;
 784                 } else {
 785                         *err = smr->smr_syntax_oid;
 786                         return SLAP_SCHERR_SYN_NOT_FOUND;
 787                 }
 788         } else {
 789                 *err = "";
 790                 return SLAP_SCHERR_MR_INCOMPLETE;
 791         }
 792         code = mr_insert(smr,err);
 793         return code;
 794 }
 795
 796 static int
 797 octetStringValidate(
 798         Syntax *syntax,
 799         struct berval *in )
 800 {
 801         /* any value allowed */
 802         return 0;
 803 }
 804
 805 static int
 806 UTF8StringValidate(
 807         Syntax *syntax,
 808         struct berval *in )
 809 {
 810         ber_len_t count;
 811         int len;
 812         unsigned char *u = in->bv_val;
 813
 814         for( count = in->bv_len; count > 0; count+=len, u+=len ) {
 815                 /* get the length indicated by the first byte */
 816                 len = LDAP_UTF8_CHARLEN( u );
 817
 818                 /* should not be zero */
 819                 if( len == 0 ) return -1;
 820
 821                 /* make sure len corresponds with the offset
 822                         to the next character */
 823                 if( LDAP_UTF8_OFFSET( u ) != len ) return -1;
 824         }
 825
 826         if( count != 0 ) return -1;
 827
 828         return 0;
 829 }
 830
 831 static int
 832 UTF8StringNormalize(
 833         Syntax *syntax,
 834         MatchingRule *mr,
 835         struct berval *val,
 836         struct berval **normalized )
 837 {
 838         struct berval *newval;
 839         char *p, *q, *s;
 840
 841         newval = ch_malloc( sizeof( struct berval ) );
 842
 843         p = val->bv_val;
 844
 845         /* Ignore initial whitespace */
 846         while ( ldap_utf8_isspace( p ) ) {
 847                 LDAP_UTF8_INCR( p );
 848         }
 849
 850         if( *p ) {
 851                 ch_free( newval );
 852                 return 1;
 853         }
 854
 855         newval->bv_val = ch_strdup( p );
 856         p = q = newval->bv_val;
 857         s = NULL;
 858
 859         while ( *p ) {
 860                 int len;
 861
 862                 if ( ldap_utf8_isspace( p ) ) {
 863                         len = LDAP_UTF8_COPY(q,p);
 864                         s=q;
 865                         p+=len;
 866                         q+=len;
 867
 868                         /* Ignore the extra whitespace */
 869                         while ( ldap_utf8_isspace( p ) ) {
 870                                 LDAP_UTF8_INCR( p );
 871                         }
 872                 } else {
 873                         len = LDAP_UTF8_COPY(q,p);
 874                         s=NULL;
 875                         p+=len;
 876                         q+=len;
 877                 }
 878         }
 879
 880         assert( *newval->bv_val );
 881         assert( newval->bv_val < p );
 882         assert( p <= q );
 883
 884         /* cannot start with a space */
 885         assert( !ldap_utf8_isspace(newval->bv_val) );
 886
 887         /*
 888          * If the string ended in space, backup the pointer one
 889          * position.  One is enough because the above loop collapsed
 890          * all whitespace to a single space.
 891          */
 892
 893         if ( s != NULL ) {
 894                 q = s;
 895         }
 896
 897         /* cannot end with a space */
 898         assert( !ldap_utf8_isspace( LDAP_UTF8_PREV(q) ) );
 899
 900         /* null terminate */
 901         *q = '\0';
 902
 903         newval->bv_len = q - newval->bv_val;
 904         normalized = &newval;
 905
 906         return 0;
 907 }
 908
 909 static int
 910 IA5StringValidate(
 911         Syntax *syntax,
 912         struct berval *val )
 913 {
 914         ber_len_t i;
 915
 916         for(i=0; i < val->bv_len; i++) {
 917                 if( !isascii(val->bv_val[i]) ) return -1;
 918         }
 919
 920         return 0;
 921 }
 922
 923 static int
 924 IA5StringNormalize(
 925         Syntax *syntax,
 926         MatchingRule *mr,
 927         struct berval *val,
 928         struct berval **normalized )
 929 {
 930         struct berval *newval;
 931         char *p, *q;
 932
 933         newval = ch_malloc( sizeof( struct berval ) );
 934
 935         p = val->bv_val;
 936
 937         /* Ignore initial whitespace */
 938         while ( isspace( *p++ ) ) {
 939                 /* EMPTY */  ;
 940         }
 941
 942         if( *p ) {
 943                 ch_free( newval );
 944                 return 1;
 945         }
 946
 947         newval->bv_val = ch_strdup( p );
 948         p = q = newval->bv_val;
 949
 950         while ( *p ) {
 951                 if ( isspace( *p ) ) {
 952                         *q++ = *p++;
 953
 954                         /* Ignore the extra whitespace */
 955                         while ( isspace( *p++ ) ) {
 956                                 /* EMPTY */  ;
 957                         }
 958                 } else {
 959                         *q++ = *p++;
 960                 }
 961         }
 962
 963         assert( *newval->bv_val );
 964         assert( newval->bv_val < p );
 965         assert( p <= q );
 966
 967         /* cannot start with a space */
 968         assert( !isspace(*newval->bv_val) );
 969
 970         /*
 971          * If the string ended in space, backup the pointer one
 972          * position.  One is enough because the above loop collapsed
 973          * all whitespace to a single space.
 974          */
 975
 976         if ( isspace( q[-1] ) ) {
 977                 --q;
 978         }
 979
 980         /* cannot end with a space */
 981         assert( !isspace( q[-1] ) );
 982
 983         /* null terminate */
 984         *q = '\0';
 985
 986         newval->bv_len = q - newval->bv_val;
 987         normalized = &newval;
 988
 989         return 0;
 990 }
 991
 992 static int
 993 caseExactIA5Match(
 994         Syntax *syntax,
 995         MatchingRule *mr,
 996         struct berval *value,
 997         struct berval *assertedValue )
 998 {
 999         return strcmp( value->bv_val, assertedValue->bv_val );
1000 }
1001
1002 static int
1003 caseIgnoreIA5Match(
1004         Syntax *syntax,
1005         MatchingRule *mr,
1006         struct berval *value,
1007         struct berval *assertedValue )
1008 {
1009         return strcasecmp( value->bv_val, assertedValue->bv_val );
1010 }
1011
1012 int
1013 register_syntax(
1014         char * desc,
1015         slap_syntax_validate_func *validate,
1016         slap_syntax_transform_func *ber2str,
1017         slap_syntax_transform_func *str2ber )
1018 {
1019         LDAP_SYNTAX     *syn;
1020         int             code;
1021         const char      *err;
1022
1023         syn = ldap_str2syntax( desc, &code, &err);
1024         if ( !syn ) {
1025                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
1026                     ldap_scherr2str(code), err, desc );
1027                 return( -1 );
1028         }
1029
1030         code = syn_add( syn, validate, ber2str, str2ber, &err );
1031         if ( code ) {
1032                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
1033                     scherr2str(code), err, desc );
1034                 return( -1 );
1035         }
1036
1037         return( 0 );
1038 }
1039
1040 int
1041 register_matching_rule(
1042         char * desc,
1043         slap_mr_normalize_func *normalize,
1044         slap_mr_match_func *match )
1045 {
1046         LDAP_MATCHING_RULE *mr;
1047         int             code;
1048         const char      *err;
1049
1050         mr = ldap_str2matchingrule( desc, &code, &err);
1051         if ( !mr ) {
1052                 Debug( LDAP_DEBUG_ANY, "Error in register_matching_rule: %s before %s in %s\n",
1053                     ldap_scherr2str(code), err, desc );
1054                 return( -1 );
1055         }
1056
1057         code = mr_add( mr, normalize, match, &err );
1058         if ( code ) {
1059                 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s for %s in %s\n",
1060                     scherr2str(code), err, desc );
1061                 return( -1 );
1062         }
1063         return( 0 );
1064 }
1065
1066 struct syntax_defs_rec {
1067         char *sd_desc;
1068         slap_syntax_validate_func *sd_validate;
1069         slap_syntax_transform_func *sd_ber2str;
1070         slap_syntax_transform_func *sd_str2ber;
1071 };
1072
1073 struct syntax_defs_rec syntax_defs[] = {
1074         {"( 1.3.6.1.4.1.1466.115.121.1.3 DESC 'AttributeTypeDescription' )",
1075                 NULL, NULL, NULL},
1076         {"( 1.3.6.1.4.1.1466.115.121.1.4 DESC 'Audio' )",
1077                 NULL, NULL, NULL},
1078         {"( 1.3.6.1.4.1.1466.115.121.1.5 DESC 'Binary' )",
1079                 NULL, NULL, NULL},
1080         {"( 1.3.6.1.4.1.1466.115.121.1.6 DESC 'BitString' )",
1081                 NULL, NULL, NULL},
1082         {"( 1.3.6.1.4.1.1466.115.121.1.7 DESC 'Boolean' )",
1083                 NULL, NULL, NULL},
1084         {"( 1.3.6.1.4.1.1466.115.121.1.8 DESC 'Certificate' )",
1085                 NULL, NULL, NULL},
1086         {"( 1.3.6.1.4.1.1466.115.121.1.9 DESC 'CertificateList' )",
1087                 NULL, NULL, NULL},
1088         {"( 1.3.6.1.4.1.1466.115.121.1.10 DESC 'CertificatePair' )",
1089                 NULL, NULL, NULL},
1090         {"( 1.3.6.1.4.1.1466.115.121.1.12 DESC 'DN' )",
1091                 NULL, NULL, NULL},
1092         {"( 1.3.6.1.4.1.1466.115.121.1.14 DESC 'DeliveryMethod' )",
1093                 NULL, NULL, NULL},
1094         {"( 1.3.6.1.4.1.1466.115.121.1.15 DESC 'DirectoryString' )",
1095                 UTF8StringValidate, NULL, NULL},
1096         {"( 1.3.6.1.4.1.1466.115.121.1.16 DESC 'DITContentRuleDescription' )",
1097                 NULL, NULL, NULL},
1098         {"( 1.3.6.1.4.1.1466.115.121.1.17 DESC 'DITStructureRuleDescription' )",
1099                 NULL, NULL, NULL},
1100         {"( 1.3.6.1.4.1.1466.115.121.1.21 DESC 'EnhancedGuide' )",
1101                 NULL, NULL, NULL},
1102         {"( 1.3.6.1.4.1.1466.115.121.1.22 DESC 'FacsimileTelephoneNumber' )",
1103                 NULL, NULL, NULL},
1104         {"( 1.3.6.1.4.1.1466.115.121.1.24 DESC 'GeneralizedTime' )",
1105                 NULL, NULL, NULL},
1106         {"( 1.3.6.1.4.1.1466.115.121.1.25 DESC 'Guide' )",
1107                 NULL, NULL, NULL},
1108         {"( 1.3.6.1.4.1.1466.115.121.1.26 DESC 'IA5String' )",
1109                 IA5StringValidate, NULL, NULL},
1110         {"( 1.3.6.1.4.1.1466.115.121.1.27 DESC 'Integer' )",
1111                 NULL, NULL, NULL},
1112         {"( 1.3.6.1.4.1.1466.115.121.1.28 DESC 'JPEG' )",
1113                 NULL, NULL, NULL},
1114         {"( 1.3.6.1.4.1.1466.115.121.1.30 DESC 'MatchingRuleDescription' )",
1115                 NULL, NULL, NULL},
1116         {"( 1.3.6.1.4.1.1466.115.121.1.31 DESC 'MatchingRuleUseDescription' )",
1117                 NULL, NULL, NULL},
1118         {"( 1.3.6.1.4.1.1466.115.121.1.32 DESC 'MailPreference' )",
1119                 NULL, NULL, NULL},
1120         {"( 1.3.6.1.4.1.1466.115.121.1.34 DESC 'NameAndOptionalUID' )",
1121                 NULL, NULL, NULL},
1122         {"( 1.3.6.1.4.1.1466.115.121.1.35 DESC 'NameFormDescription' )",
1123                 NULL, NULL, NULL},
1124         {"( 1.3.6.1.4.1.1466.115.121.1.36 DESC 'NumericString' )",
1125                 NULL, NULL, NULL},
1126         {"( 1.3.6.1.4.1.1466.115.121.1.37 DESC 'ObjectClassDescription' )",
1127                 NULL, NULL, NULL},
1128         {"( 1.3.6.1.4.1.1466.115.121.1.38 DESC 'OID' )",
1129                 NULL, NULL, NULL},
1130         {"( 1.3.6.1.4.1.1466.115.121.1.39 DESC 'OtherMailbox' )",
1131                 NULL, NULL, NULL},
1132         {"( 1.3.6.1.4.1.1466.115.121.1.40 DESC 'OctetString' )",
1133                 octetStringValidate, NULL, NULL},
1134         {"( 1.3.6.1.4.1.1466.115.121.1.41 DESC 'PostalAddress' )",
1135                 NULL, NULL, NULL},
1136         {"( 1.3.6.1.4.1.1466.115.121.1.42 DESC 'ProtocolInformation' )",
1137                 NULL, NULL, NULL},
1138         {"( 1.3.6.1.4.1.1466.115.121.1.43 DESC 'PresentationAddress' )",
1139                 NULL, NULL, NULL},
1140         {"( 1.3.6.1.4.1.1466.115.121.1.44 DESC 'PrintableString' )",
1141                 NULL, NULL, NULL},
1142         {"( 1.3.6.1.4.1.1466.115.121.1.49 DESC 'SupportedAlgorithm' )",
1143                 NULL, NULL, NULL},
1144         {"( 1.3.6.1.4.1.1466.115.121.1.50 DESC 'TelephoneNumber' )",
1145                 NULL, NULL, NULL},
1146         {"( 1.3.6.1.4.1.1466.115.121.1.51 DESC 'TeletexTerminalIdentifier' )",
1147                 NULL, NULL, NULL},
1148         {"( 1.3.6.1.4.1.1466.115.121.1.52 DESC 'TelexNumber' )",
1149                 NULL, NULL, NULL},
1150         {"( 1.3.6.1.4.1.1466.115.121.1.53 DESC 'UTCTime' )",
1151                 NULL, NULL, NULL},
1152         {"( 1.3.6.1.4.1.1466.115.121.1.54 DESC 'LDAPSyntaxDescription' )",
1153                 NULL, NULL, NULL},
1154         {"( 1.3.6.1.4.1.1466.115.121.1.58 DESC 'SubstringAssertion' )",
1155                 NULL, NULL, NULL},
1156
1157         {NULL, NULL, NULL}
1158 };
1159
1160 struct mrule_defs_rec {
1161         char *mrd_desc;
1162         slap_mr_normalize_func *mrd_normalize;
1163         slap_mr_match_func *mrd_match;
1164 };
1165
1166 /*
1167  * Other matching rules in X.520 that we do not use:
1168  *
1169  * 2.5.13.9             numericStringOrderingMatch
1170  * 2.5.13.12    caseIgnoreListSubstringsMatch
1171  * 2.5.13.13    booleanMatch
1172  * 2.5.13.15    integerOrderingMatch
1173  * 2.5.13.18    octetStringOrderingMatch
1174  * 2.5.13.19    octetStringSubstringsMatch
1175  * 2.5.13.25    uTCTimeMatch
1176  * 2.5.13.26    uTCTimeOrderingMatch
1177  * 2.5.13.31    directoryStringFirstComponentMatch
1178  * 2.5.13.32    wordMatch
1179  * 2.5.13.33    keywordMatch
1180  * 2.5.13.34    certificateExactMatch
1181  * 2.5.13.35    certificateMatch
1182  * 2.5.13.36    certificatePairExactMatch
1183  * 2.5.13.37    certificatePairMatch
1184  * 2.5.13.38    certificateListExactMatch
1185  * 2.5.13.39    certificateListMatch
1186  * 2.5.13.40    algorithmIdentifierMatch
1187  * 2.5.13.41    storedPrefixMatch
1188  * 2.5.13.42    attributeCertificateMatch
1189  * 2.5.13.43    readerAndKeyIDMatch
1190  * 2.5.13.44    attributeIntegrityMatch
1191  */
1192
1193 /* recycled matching functions */
1194 #define stringNormalize IA5StringNormalize
1195 #define caseIgnoreMatch caseIgnoreIA5Match
1196 #define caseExactMatch caseExactIA5Match
1197
1198 /* unimplemented matching functions */
1199 #define objectIdentifierMatch NULL
1200 #define distinguishedNameMatch NULL
1201 #define caseIgnoreOrderingMatch NULL
1202 #define caseIgnoreSubstringsMatch NULL
1203 #define caseExactOrderingMatch NULL
1204 #define caseExactSubstringsMatch NULL
1205 #define numericStringMatch NULL
1206 #define numericStringSubstringsMatch NULL
1207 #define caseIgnoreListMatch NULL
1208 #define integerMatch NULL
1209 #define bitStringMatch NULL
1210 #define octetStringMatch NULL
1211 #define telephoneNumberMatch NULL
1212 #define telephoneNumberSubstringsMatch NULL
1213 #define presentationAddressMatch NULL
1214 #define uniqueMemberMatch NULL
1215 #define protocolInformationMatch NULL
1216 #define generalizedTimeMatch NULL
1217 #define generalizedTimeOrderingMatch NULL
1218 #define integerFirstComponentMatch NULL
1219 #define objectIdentifierFirstComponentMatch NULL
1220 #define caseIgnoreIA5SubstringsMatch NULL
1221
1222 struct mrule_defs_rec mrule_defs[] = {
1223         {"( 2.5.13.0 NAME 'objectIdentifierMatch' "
1224                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )",
1225                 NULL, objectIdentifierMatch},
1226
1227         {"( 2.5.13.1 NAME 'distinguishedNameMatch' "
1228                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 )",
1229                 NULL, distinguishedNameMatch},
1230
1231         {"( 2.5.13.2 NAME 'caseIgnoreMatch' "
1232                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
1233                 stringNormalize, caseIgnoreMatch},
1234
1235         {"( 2.5.13.3 NAME 'caseIgnoreOrderingMatch' "
1236                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
1237                 stringNormalize, caseIgnoreOrderingMatch},
1238
1239         {"( 2.5.13.4 NAME 'caseIgnoreSubstringsMatch' "
1240                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.58 )",
1241                 stringNormalize, caseIgnoreSubstringsMatch},
1242
1243         /* Next three are not in the RFC's, but are needed for compatibility */
1244         {"( 2.5.13.5 NAME 'caseExactMatch' "
1245                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
1246                 stringNormalize, caseExactMatch},
1247
1248         {"( 2.5.13.6 NAME 'caseExactOrderingMatch' "
1249                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
1250                 stringNormalize, caseExactOrderingMatch},
1251
1252         {"( 2.5.13.7 NAME 'caseExactSubstringsMatch' "
1253                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.58 )",
1254                 stringNormalize, caseExactSubstringsMatch},
1255
1256         {"( 2.5.13.8 NAME 'numericStringMatch' "
1257                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.36 )",
1258                 NULL, numericStringMatch},
1259
1260         {"( 2.5.13.10 NAME 'numericStringSubstringsMatch' "
1261                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.58 )",
1262                 NULL, numericStringSubstringsMatch},
1263
1264         {"( 2.5.13.11 NAME 'caseIgnoreListMatch' "
1265                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.41 )",
1266                 NULL, caseIgnoreListMatch},
1267
1268         {"( 2.5.13.14 NAME 'integerMatch' "
1269                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 )",
1270                 NULL, integerMatch},
1271
1272         {"( 2.5.13.16 NAME 'bitStringMatch' "
1273                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.6 )",
1274                 NULL, bitStringMatch},
1275
1276         {"( 2.5.13.17 NAME 'octetStringMatch' "
1277                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 )",
1278                 NULL, octetStringMatch},
1279
1280         {"( 2.5.13.20 NAME 'telephoneNumberMatch' "
1281                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.50 )",
1282                 NULL, telephoneNumberMatch},
1283
1284         {"( 2.5.13.21 NAME 'telephoneNumberSubstringsMatch' "
1285                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.58 )",
1286                 NULL, telephoneNumberSubstringsMatch},
1287
1288         {"( 2.5.13.22 NAME 'presentationAddressMatch' "
1289                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.43 )",
1290                 NULL, presentationAddressMatch},
1291
1292         {"( 2.5.13.23 NAME 'uniqueMemberMatch' "
1293                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.34 )",
1294                 NULL, uniqueMemberMatch},
1295
1296         {"( 2.5.13.24 NAME 'protocolInformationMatch' "
1297                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.42 )",
1298                 NULL, protocolInformationMatch},
1299
1300         {"( 2.5.13.27 NAME 'generalizedTimeMatch' "
1301                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 )",
1302                 NULL, generalizedTimeMatch},
1303
1304         {"( 2.5.13.28 NAME 'generalizedTimeOrderingMatch' "
1305                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 )",
1306                 NULL, generalizedTimeOrderingMatch},
1307
1308         {"( 2.5.13.29 NAME 'integerFirstComponentMatch' "
1309                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 )",
1310                 NULL, integerFirstComponentMatch},
1311
1312         {"( 2.5.13.30 NAME 'objectIdentifierFirstComponentMatch' "
1313                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )",
1314                 NULL, objectIdentifierFirstComponentMatch},
1315
1316         {"( 1.3.6.1.4.1.1466.109.114.1 NAME 'caseExactIA5Match' "
1317                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )",
1318                 IA5StringNormalize, caseExactIA5Match},
1319
1320         {"( 1.3.6.1.4.1.1466.109.114.2 NAME 'caseIgnoreIA5Match' "
1321                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )",
1322                 IA5StringNormalize, caseIgnoreIA5Match},
1323
1324         {"( 1.3.6.1.4.1.1466.109.114.3 NAME 'caseIgnoreIA5SubstringsMatch' "
1325                 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )",
1326                 IA5StringNormalize, caseIgnoreIA5SubstringsMatch},
1327
1328         {NULL, NULL, NULL}
1329 };
1330
1331 int
1332 schema_init( void )
1333 {
1334         int             res;
1335         int             i;
1336         static int      schema_init_done = 0;
1337
1338         /* We are called from read_config that is recursive */
1339         if ( schema_init_done )
1340                 return( 0 );
1341
1342         for ( i=0; syntax_defs[i].sd_desc != NULL; i++ ) {
1343                 res = register_syntax( syntax_defs[i].sd_desc,
1344                     syntax_defs[i].sd_validate,
1345                     syntax_defs[i].sd_ber2str,
1346                         syntax_defs[i].sd_str2ber );
1347
1348                 if ( res ) {
1349                         fprintf( stderr, "schema_init: Error registering syntax %s\n",
1350                                  syntax_defs[i].sd_desc );
1351                         exit( EXIT_FAILURE );
1352                 }
1353         }
1354
1355         for ( i=0; mrule_defs[i].mrd_desc != NULL; i++ ) {
1356                 res = register_matching_rule( mrule_defs[i].mrd_desc,
1357                         mrule_defs[i].mrd_normalize,
1358                     mrule_defs[i].mrd_match );
1359
1360                 if ( res ) {
1361                         fprintf( stderr, "schema_init: Error registering matching rule %s\n",
1362                                  mrule_defs[i].mrd_desc );
1363                         exit( EXIT_FAILURE );
1364                 }
1365         }
1366         schema_init_done = 1;
1367         return( 0 );
1368 }
1369
1370 #if defined( SLAPD_SCHEMA_DN )
1371
1372 static int
1373 syn_schema_info( Entry *e )
1374 {
1375         struct berval   val;
1376         struct berval   *vals[2];
1377         Syntax          *syn;
1378
1379         vals[0] = &val;
1380         vals[1] = NULL;
1381
1382         for ( syn = syn_list; syn; syn = syn->ssyn_next ) {
1383                 val.bv_val = ldap_syntax2str( &syn->ssyn_syn );
1384                 if ( val.bv_val ) {
1385                         val.bv_len = strlen( val.bv_val );
1386                         Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
1387                                (long) val.bv_len, val.bv_val, 0 );
1388                         attr_merge( e, "ldapSyntaxes", vals );
1389                         ldap_memfree( val.bv_val );
1390                 } else {
1391                         return -1;
1392                 }
1393         }
1394         return 0;
1395 }
1396
1397 static int
1398 mr_schema_info( Entry *e )
1399 {
1400         struct berval   val;
1401         struct berval   *vals[2];
1402         MatchingRule    *mr;
1403
1404         vals[0] = &val;
1405         vals[1] = NULL;
1406
1407         for ( mr = mr_list; mr; mr = mr->smr_next ) {
1408                 val.bv_val = ldap_matchingrule2str( &mr->smr_mrule );
1409                 if ( val.bv_val ) {
1410                         val.bv_len = strlen( val.bv_val );
1411                         Debug( LDAP_DEBUG_TRACE, "Merging mr [%ld] %s\n",
1412                                (long) val.bv_len, val.bv_val, 0 );
1413                         attr_merge( e, "matchingRules", vals );
1414                         ldap_memfree( val.bv_val );
1415                 } else {
1416                         return -1;
1417                 }
1418         }
1419         return 0;
1420 }
1421
1422 static int
1423 oc_schema_info( Entry *e )
1424 {
1425         struct berval   val;
1426         struct berval   *vals[2];
1427         ObjectClass     *oc;
1428
1429         vals[0] = &val;
1430         vals[1] = NULL;
1431
1432         for ( oc = oc_list; oc; oc = oc->soc_next ) {
1433                 val.bv_val = ldap_objectclass2str( &oc->soc_oclass );
1434                 if ( val.bv_val ) {
1435                         val.bv_len = strlen( val.bv_val );
1436                         Debug( LDAP_DEBUG_TRACE, "Merging oc [%ld] %s\n",
1437                                (long) val.bv_len, val.bv_val, 0 );
1438                         attr_merge( e, "objectClasses", vals );
1439                         ldap_memfree( val.bv_val );
1440                 } else {
1441                         return -1;
1442                 }
1443         }
1444         return 0;
1445 }
1446
1447 void
1448 schema_info( Connection *conn, Operation *op, char **attrs, int attrsonly )
1449 {
1450         Entry           *e;
1451         struct berval   val;
1452         struct berval   *vals[2];
1453
1454         vals[0] = &val;
1455         vals[1] = NULL;
1456
1457         e = (Entry *) ch_calloc( 1, sizeof(Entry) );
1458
1459         e->e_attrs = NULL;
1460         e->e_dn = ch_strdup( SLAPD_SCHEMA_DN );
1461         e->e_ndn = ch_strdup( SLAPD_SCHEMA_DN );
1462         (void) dn_normalize( e->e_ndn );
1463         e->e_private = NULL;
1464
1465         {
1466                 char *rdn = ch_strdup( SLAPD_SCHEMA_DN );
1467                 val.bv_val = strchr( rdn, '=' );
1468
1469                 if( val.bv_val != NULL ) {
1470                         *val.bv_val = '\0';
1471                         val.bv_len = strlen( ++val.bv_val );
1472
1473                         attr_merge( e, rdn, vals );
1474                 }
1475
1476                 free( rdn );
1477         }
1478
1479         if ( syn_schema_info( e ) ) {
1480                 /* Out of memory, do something about it */
1481                 entry_free( e );
1482                 return;
1483         }
1484         if ( mr_schema_info( e ) ) {
1485                 /* Out of memory, do something about it */
1486                 entry_free( e );
1487                 return;
1488         }
1489         if ( at_schema_info( e ) ) {
1490                 /* Out of memory, do something about it */
1491                 entry_free( e );
1492                 return;
1493         }
1494         if ( oc_schema_info( e ) ) {
1495                 /* Out of memory, do something about it */
1496                 entry_free( e );
1497                 return;
1498         }
1499
1500         val.bv_val = "top";
1501         val.bv_len = sizeof("top")-1;
1502         attr_merge( e, "objectClass", vals );
1503
1504         val.bv_val = "LDAPsubentry";
1505         val.bv_len = sizeof("LDAPsubentry")-1;
1506         attr_merge( e, "objectClass", vals );
1507
1508         val.bv_val = "subschema";
1509         val.bv_len = sizeof("subschema")-1;
1510         attr_merge( e, "objectClass", vals );
1511
1512         val.bv_val = "extensibleObject";
1513         val.bv_len = sizeof("extensibleObject")-1;
1514         attr_merge( e, "objectClass", vals );
1515
1516         send_search_entry( &backends[0], conn, op,
1517                 e, attrs, attrsonly, NULL );
1518         send_search_result( conn, op, LDAP_SUCCESS,
1519                 NULL, NULL, NULL, NULL, 1 );
1520
1521         entry_free( e );
1522 }
1523 #endif
1524
1525 #ifdef LDAP_DEBUG
1526
1527 static void
1528 oc_print( ObjectClass *oc )
1529 {
1530         int     i;
1531         const char *mid;
1532
1533         printf( "objectclass %s\n", ldap_objectclass2name( &oc->soc_oclass ) );
1534         if ( oc->soc_required != NULL ) {
1535                 mid = "\trequires ";
1536                 for ( i = 0; oc->soc_required[i] != NULL; i++, mid = "," )
1537                         printf( "%s%s", mid,
1538                                 ldap_attributetype2name( &oc->soc_required[i]->sat_atype ) );
1539                 printf( "\n" );
1540         }
1541         if ( oc->soc_allowed != NULL ) {
1542                 mid = "\tallows ";
1543                 for ( i = 0; oc->soc_allowed[i] != NULL; i++, mid = "," )
1544                         printf( "%s%s", mid,
1545                                 ldap_attributetype2name( &oc->soc_allowed[i]->sat_atype ) );
1546                 printf( "\n" );
1547         }
1548 }
1549
1550 #endif
1551
1552
1553 int is_entry_objectclass(
1554         Entry*  e,
1555         const char*     oc)
1556 {
1557         Attribute *attr;
1558         struct berval bv;
1559
1560         if( e == NULL || oc == NULL || *oc == '\0' )
1561                 return 0;
1562
1563         /*
1564          * find objectClass attribute
1565          */
1566         attr = attr_find(e->e_attrs, "objectclass");
1567
1568         if( attr == NULL ) {
1569                 /* no objectClass attribute */
1570                 return 0;
1571         }
1572
1573         bv.bv_val = (char *) oc;
1574         bv.bv_len = strlen( bv.bv_val );
1575
1576         if( value_find(attr->a_vals, &bv, attr->a_syntax, 1) != 0) {
1577                 /* entry is not of this objectclass */
1578                 return 0;
1579         }
1580
1581         return 1;
1582 }