1 /* $NetBSD: schema_check.c,v 1.1.1.6 2018/02/06 01:53:14 christos Exp $ */ 2 3 /* schema_check.c - routines to enforce schema definitions */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1998-2017 The OpenLDAP Foundation. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in the file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 19 #include <sys/cdefs.h> 20 __RCSID("$NetBSD: schema_check.c,v 1.1.1.6 2018/02/06 01:53:14 christos Exp $"); 21 22 #include "portable.h" 23 24 #include <stdio.h> 25 26 #include <ac/ctype.h> 27 #include <ac/string.h> 28 #include <ac/socket.h> 29 30 #include "slap.h" 31 32 static char * oc_check_required( 33 Entry *e, 34 ObjectClass *oc, 35 struct berval *ocname ); 36 37 static int entry_naming_check( 38 Entry *e, 39 int manage, 40 int add_naming, 41 const char** text, 42 char *textbuf, size_t textlen ); 43 /* 44 * entry_schema_check - check that entry e conforms to the schema required 45 * by its object class(es). 46 * 47 * returns 0 if so, non-zero otherwise. 48 */ 49 50 int 51 entry_schema_check( 52 Operation *op, 53 Entry *e, 54 Attribute *oldattrs, 55 int manage, 56 int add, 57 Attribute **socp, 58 const char** text, 59 char *textbuf, size_t textlen ) 60 { 61 Attribute *a, *asc = NULL, *aoc = NULL; 62 ObjectClass *sc, *oc, **socs = NULL; 63 AttributeType *at; 64 ContentRule *cr; 65 int rc, i; 66 AttributeDescription *ad_structuralObjectClass 67 = slap_schema.si_ad_structuralObjectClass; 68 AttributeDescription *ad_objectClass 69 = slap_schema.si_ad_objectClass; 70 int extensible = 0; 71 int subentry = is_entry_subentry( e ); 72 int collectiveSubentry = 0; 73 74 if ( SLAP_NO_SCHEMA_CHECK( op->o_bd )) { 75 return LDAP_SUCCESS; 76 } 77 78 if ( get_no_schema_check( op ) ) { 79 return LDAP_SUCCESS; 80 } 81 82 if( subentry ) { 83 collectiveSubentry = is_entry_collectiveAttributeSubentry( e ); 84 } 85 86 *text = textbuf; 87 88 /* misc attribute checks */ 89 for ( a = e->e_attrs; a != NULL; a = a->a_next ) { 90 const char *type = a->a_desc->ad_cname.bv_val; 91 92 /* there should be at least one value */ 93 assert( a->a_vals != NULL ); 94 assert( a->a_vals[0].bv_val != NULL ); 95 96 if( a->a_desc->ad_type->sat_check ) { 97 rc = (a->a_desc->ad_type->sat_check)( 98 op->o_bd, e, a, text, textbuf, textlen ); 99 if( rc != LDAP_SUCCESS ) { 100 return rc; 101 } 102 } 103 104 if( a->a_desc == ad_structuralObjectClass ) 105 asc = a; 106 else if ( a->a_desc == ad_objectClass ) 107 aoc = a; 108 109 if( !collectiveSubentry && is_at_collective( a->a_desc->ad_type ) ) { 110 snprintf( textbuf, textlen, 111 "'%s' can only appear in collectiveAttributeSubentry", 112 type ); 113 return LDAP_OBJECT_CLASS_VIOLATION; 114 } 115 116 /* if single value type, check for multiple values */ 117 if( is_at_single_value( a->a_desc->ad_type ) && 118 a->a_vals[1].bv_val != NULL ) 119 { 120 snprintf( textbuf, textlen, 121 "attribute '%s' cannot have multiple values", 122 type ); 123 124 Debug( LDAP_DEBUG_ANY, 125 "Entry (%s), %s\n", 126 e->e_dn, textbuf, 0 ); 127 128 return LDAP_CONSTRAINT_VIOLATION; 129 } 130 } 131 132 /* check the object class attribute */ 133 if ( aoc == NULL ) { 134 Debug( LDAP_DEBUG_ANY, "No objectClass for entry (%s)\n", 135 e->e_dn, 0, 0 ); 136 137 *text = "no objectClass attribute"; 138 return LDAP_OBJECT_CLASS_VIOLATION; 139 } 140 141 assert( aoc->a_vals != NULL ); 142 assert( aoc->a_vals[0].bv_val != NULL ); 143 144 /* check the structural object class attribute */ 145 if ( asc == NULL && !add ) { 146 Debug( LDAP_DEBUG_ANY, 147 "No structuralObjectClass for entry (%s)\n", 148 e->e_dn, 0, 0 ); 149 150 *text = "no structuralObjectClass operational attribute"; 151 return LDAP_OTHER; 152 } 153 154 rc = structural_class( aoc->a_vals, &oc, &socs, text, textbuf, textlen, 155 op->o_tmpmemctx ); 156 if( rc != LDAP_SUCCESS ) { 157 return rc; 158 } 159 160 if ( asc == NULL && add ) { 161 attr_merge_one( e, ad_structuralObjectClass, &oc->soc_cname, NULL ); 162 asc = attr_find( e->e_attrs, ad_structuralObjectClass ); 163 sc = oc; 164 goto got_soc; 165 } 166 167 assert( asc->a_vals != NULL ); 168 assert( asc->a_vals[0].bv_val != NULL ); 169 assert( asc->a_vals[1].bv_val == NULL ); 170 171 sc = oc_bvfind( &asc->a_vals[0] ); 172 if( sc == NULL ) { 173 snprintf( textbuf, textlen, 174 "unrecognized structuralObjectClass '%s'", 175 asc->a_vals[0].bv_val ); 176 177 Debug( LDAP_DEBUG_ANY, 178 "entry_check_schema(%s): %s\n", 179 e->e_dn, textbuf, 0 ); 180 181 rc = LDAP_OBJECT_CLASS_VIOLATION; 182 goto done; 183 } 184 185 if( sc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) { 186 snprintf( textbuf, textlen, 187 "structuralObjectClass '%s' is not STRUCTURAL", 188 asc->a_vals[0].bv_val ); 189 190 Debug( LDAP_DEBUG_ANY, 191 "entry_check_schema(%s): %s\n", 192 e->e_dn, textbuf, 0 ); 193 194 rc = LDAP_OTHER; 195 goto done; 196 } 197 198 got_soc: 199 if( !manage && sc->soc_obsolete ) { 200 snprintf( textbuf, textlen, 201 "structuralObjectClass '%s' is OBSOLETE", 202 asc->a_vals[0].bv_val ); 203 204 Debug( LDAP_DEBUG_ANY, 205 "entry_check_schema(%s): %s\n", 206 e->e_dn, textbuf, 0 ); 207 208 rc = LDAP_OBJECT_CLASS_VIOLATION; 209 goto done; 210 } 211 212 *text = textbuf; 213 214 if ( oc == NULL ) { 215 snprintf( textbuf, textlen, 216 "unrecognized objectClass '%s'", 217 aoc->a_vals[0].bv_val ); 218 rc = LDAP_OBJECT_CLASS_VIOLATION; 219 goto done; 220 221 } else if ( sc != oc ) { 222 if ( !manage && sc != slap_schema.si_oc_glue ) { 223 snprintf( textbuf, textlen, 224 "structural object class modification " 225 "from '%s' to '%s' not allowed", 226 asc->a_vals[0].bv_val, oc->soc_cname.bv_val ); 227 rc = LDAP_NO_OBJECT_CLASS_MODS; 228 goto done; 229 } 230 231 assert( asc->a_vals != NULL ); 232 assert( !BER_BVISNULL( &asc->a_vals[0] ) ); 233 assert( BER_BVISNULL( &asc->a_vals[1] ) ); 234 assert( asc->a_nvals == asc->a_vals ); 235 236 /* draft-zeilenga-ldap-relax: automatically modify 237 * structuralObjectClass if changed with relax */ 238 sc = oc; 239 ber_bvreplace( &asc->a_vals[ 0 ], &sc->soc_cname ); 240 if ( socp ) { 241 *socp = asc; 242 } 243 } 244 245 /* naming check */ 246 if ( !is_entry_glue ( e ) ) { 247 rc = entry_naming_check( e, manage, add, text, textbuf, textlen ); 248 if( rc != LDAP_SUCCESS ) { 249 goto done; 250 } 251 } else { 252 /* Glue Entry */ 253 } 254 255 /* find the content rule for the structural class */ 256 cr = cr_find( sc->soc_oid ); 257 258 /* the cr must be same as the structural class */ 259 assert( !cr || !strcmp( cr->scr_oid, sc->soc_oid ) ); 260 261 /* check that the entry has required attrs of the content rule */ 262 if( cr ) { 263 if( !manage && cr->scr_obsolete ) { 264 snprintf( textbuf, textlen, 265 "content rule '%s' is obsolete", 266 ldap_contentrule2name( &cr->scr_crule )); 267 268 Debug( LDAP_DEBUG_ANY, 269 "Entry (%s): %s\n", 270 e->e_dn, textbuf, 0 ); 271 272 rc = LDAP_OBJECT_CLASS_VIOLATION; 273 goto done; 274 } 275 276 if( cr->scr_required ) for( i=0; cr->scr_required[i]; i++ ) { 277 at = cr->scr_required[i]; 278 279 for ( a = e->e_attrs; a != NULL; a = a->a_next ) { 280 if( a->a_desc->ad_type == at ) { 281 break; 282 } 283 } 284 285 /* not there => schema violation */ 286 if ( a == NULL ) { 287 snprintf( textbuf, textlen, 288 "content rule '%s' requires attribute '%s'", 289 ldap_contentrule2name( &cr->scr_crule ), 290 at->sat_cname.bv_val ); 291 292 Debug( LDAP_DEBUG_ANY, 293 "Entry (%s): %s\n", 294 e->e_dn, textbuf, 0 ); 295 296 rc = LDAP_OBJECT_CLASS_VIOLATION; 297 goto done; 298 } 299 } 300 301 if( cr->scr_precluded ) for( i=0; cr->scr_precluded[i]; i++ ) { 302 at = cr->scr_precluded[i]; 303 304 for ( a = e->e_attrs; a != NULL; a = a->a_next ) { 305 if( a->a_desc->ad_type == at ) { 306 break; 307 } 308 } 309 310 /* there => schema violation */ 311 if ( a != NULL ) { 312 snprintf( textbuf, textlen, 313 "content rule '%s' precluded attribute '%s'", 314 ldap_contentrule2name( &cr->scr_crule ), 315 at->sat_cname.bv_val ); 316 317 Debug( LDAP_DEBUG_ANY, 318 "Entry (%s): %s\n", 319 e->e_dn, textbuf, 0 ); 320 321 rc = LDAP_OBJECT_CLASS_VIOLATION; 322 goto done; 323 } 324 } 325 } 326 327 /* check that the entry has required attrs for each oc */ 328 for ( i = 0; socs[i]; i++ ) { 329 oc = socs[i]; 330 if ( !manage && oc->soc_obsolete ) { 331 /* disallow obsolete classes */ 332 snprintf( textbuf, textlen, 333 "objectClass '%s' is OBSOLETE", 334 aoc->a_vals[i].bv_val ); 335 336 Debug( LDAP_DEBUG_ANY, 337 "entry_check_schema(%s): %s\n", 338 e->e_dn, textbuf, 0 ); 339 340 rc = LDAP_OBJECT_CLASS_VIOLATION; 341 goto done; 342 } 343 344 if ( oc->soc_check ) { 345 rc = (oc->soc_check)( op->o_bd, e, oc, 346 text, textbuf, textlen ); 347 if( rc != LDAP_SUCCESS ) { 348 goto done; 349 } 350 } 351 352 if ( oc->soc_kind == LDAP_SCHEMA_ABSTRACT ) { 353 /* object class is abstract */ 354 if ( oc != slap_schema.si_oc_top && 355 !is_object_subclass( oc, sc )) 356 { 357 int j; 358 ObjectClass *xc = NULL; 359 for( j=0; socs[j]; j++ ) { 360 if( i != j ) { 361 xc = socs[j]; 362 363 /* since we previous check against the 364 * structural object of this entry, the 365 * abstract class must be a (direct or indirect) 366 * superclass of one of the auxiliary classes of 367 * the entry. 368 */ 369 if ( xc->soc_kind == LDAP_SCHEMA_AUXILIARY && 370 is_object_subclass( oc, xc ) ) 371 { 372 xc = NULL; 373 break; 374 } 375 } 376 } 377 378 if( xc != NULL ) { 379 snprintf( textbuf, textlen, "instantiation of " 380 "abstract objectClass '%s' not allowed", 381 aoc->a_vals[i].bv_val ); 382 383 Debug( LDAP_DEBUG_ANY, 384 "entry_check_schema(%s): %s\n", 385 e->e_dn, textbuf, 0 ); 386 387 rc = LDAP_OBJECT_CLASS_VIOLATION; 388 goto done; 389 } 390 } 391 392 } else if ( oc->soc_kind != LDAP_SCHEMA_STRUCTURAL || oc == sc ) { 393 char *s; 394 395 if( oc->soc_kind == LDAP_SCHEMA_AUXILIARY ) { 396 int k; 397 398 if( cr ) { 399 int j; 400 401 k = -1; 402 if( cr->scr_auxiliaries ) { 403 for( j = 0; cr->scr_auxiliaries[j]; j++ ) { 404 if( cr->scr_auxiliaries[j] == oc ) { 405 k = 0; 406 break; 407 } 408 } 409 } 410 if ( k ) { 411 snprintf( textbuf, textlen, 412 "class '%s' not allowed by content rule '%s'", 413 oc->soc_cname.bv_val, 414 ldap_contentrule2name( &cr->scr_crule ) ); 415 } 416 } else if ( global_disallows & SLAP_DISALLOW_AUX_WO_CR ) { 417 k = -1; 418 snprintf( textbuf, textlen, 419 "class '%s' not allowed by any content rule", 420 oc->soc_cname.bv_val ); 421 } else { 422 k = 0; 423 } 424 425 if( k == -1 ) { 426 Debug( LDAP_DEBUG_ANY, 427 "Entry (%s): %s\n", 428 e->e_dn, textbuf, 0 ); 429 430 rc = LDAP_OBJECT_CLASS_VIOLATION; 431 goto done; 432 } 433 } 434 435 s = oc_check_required( e, oc, &aoc->a_vals[i] ); 436 if (s != NULL) { 437 snprintf( textbuf, textlen, 438 "object class '%s' requires attribute '%s'", 439 aoc->a_vals[i].bv_val, s ); 440 441 Debug( LDAP_DEBUG_ANY, 442 "Entry (%s): %s\n", 443 e->e_dn, textbuf, 0 ); 444 445 rc = LDAP_OBJECT_CLASS_VIOLATION; 446 goto done; 447 } 448 449 if( oc == slap_schema.si_oc_extensibleObject ) { 450 extensible=1; 451 } 452 } 453 } 454 455 if( extensible ) { 456 *text = NULL; 457 rc = LDAP_SUCCESS; 458 goto done; 459 } 460 461 /* check that each attr in the entry is allowed by some oc */ 462 for ( a = e->e_attrs; a != NULL; a = a->a_next ) { 463 rc = LDAP_OBJECT_CLASS_VIOLATION; 464 465 if( cr && cr->scr_required ) { 466 for( i=0; cr->scr_required[i]; i++ ) { 467 if( cr->scr_required[i] == a->a_desc->ad_type ) { 468 rc = LDAP_SUCCESS; 469 break; 470 } 471 } 472 } 473 474 if( rc != LDAP_SUCCESS && cr && cr->scr_allowed ) { 475 for( i=0; cr->scr_allowed[i]; i++ ) { 476 if( cr->scr_allowed[i] == a->a_desc->ad_type ) { 477 rc = LDAP_SUCCESS; 478 break; 479 } 480 } 481 } 482 483 if( rc != LDAP_SUCCESS ) 484 { 485 rc = oc_check_allowed( a->a_desc->ad_type, socs, sc ); 486 } 487 488 if ( rc != LDAP_SUCCESS ) { 489 char *type = a->a_desc->ad_cname.bv_val; 490 491 snprintf( textbuf, textlen, 492 "attribute '%s' not allowed", 493 type ); 494 495 Debug( LDAP_DEBUG_ANY, 496 "Entry (%s), %s\n", 497 e->e_dn, textbuf, 0 ); 498 499 goto done; 500 } 501 } 502 503 *text = NULL; 504 done: 505 slap_sl_free( socs, op->o_tmpmemctx ); 506 return rc; 507 } 508 509 static char * 510 oc_check_required( 511 Entry *e, 512 ObjectClass *oc, 513 struct berval *ocname ) 514 { 515 AttributeType *at; 516 int i; 517 Attribute *a; 518 519 Debug( LDAP_DEBUG_TRACE, 520 "oc_check_required entry (%s), objectClass \"%s\"\n", 521 e->e_dn, ocname->bv_val, 0 ); 522 523 524 /* check for empty oc_required */ 525 if(oc->soc_required == NULL) { 526 return NULL; 527 } 528 529 /* for each required attribute */ 530 for ( i = 0; oc->soc_required[i] != NULL; i++ ) { 531 at = oc->soc_required[i]; 532 /* see if it's in the entry */ 533 for ( a = e->e_attrs; a != NULL; a = a->a_next ) { 534 if( a->a_desc->ad_type == at ) { 535 break; 536 } 537 } 538 /* not there => schema violation */ 539 if ( a == NULL ) { 540 return at->sat_cname.bv_val; 541 } 542 } 543 544 return( NULL ); 545 } 546 547 int oc_check_allowed( 548 AttributeType *at, 549 ObjectClass **socs, 550 ObjectClass *sc ) 551 { 552 int i, j; 553 554 Debug( LDAP_DEBUG_TRACE, 555 "oc_check_allowed type \"%s\"\n", 556 at->sat_cname.bv_val, 0, 0 ); 557 558 /* always allow objectClass attribute */ 559 if ( strcasecmp( at->sat_cname.bv_val, "objectClass" ) == 0 ) { 560 return LDAP_SUCCESS; 561 } 562 563 /* 564 * All operational attributions are allowed by schema rules. 565 */ 566 if( is_at_operational(at) ) { 567 return LDAP_SUCCESS; 568 } 569 570 /* check to see if its allowed by the structuralObjectClass */ 571 if( sc ) { 572 /* does it require the type? */ 573 for ( j = 0; sc->soc_required != NULL && 574 sc->soc_required[j] != NULL; j++ ) 575 { 576 if( at == sc->soc_required[j] ) { 577 return LDAP_SUCCESS; 578 } 579 } 580 581 /* does it allow the type? */ 582 for ( j = 0; sc->soc_allowed != NULL && 583 sc->soc_allowed[j] != NULL; j++ ) 584 { 585 if( at == sc->soc_allowed[j] ) { 586 return LDAP_SUCCESS; 587 } 588 } 589 } 590 591 /* check that the type appears as req or opt in at least one oc */ 592 for ( i = 0; socs[i]; i++ ) { 593 /* if we know about the oc */ 594 ObjectClass *oc = socs[i]; 595 /* extensibleObject allows all */ 596 if ( oc == slap_schema.si_oc_extensibleObject ) { 597 return LDAP_SUCCESS; 598 } 599 if ( oc != NULL && oc->soc_kind != LDAP_SCHEMA_ABSTRACT && 600 ( sc == NULL || oc->soc_kind == LDAP_SCHEMA_AUXILIARY )) 601 { 602 /* does it require the type? */ 603 for ( j = 0; oc->soc_required != NULL && 604 oc->soc_required[j] != NULL; j++ ) 605 { 606 if( at == oc->soc_required[j] ) { 607 return LDAP_SUCCESS; 608 } 609 } 610 /* does it allow the type? */ 611 for ( j = 0; oc->soc_allowed != NULL && 612 oc->soc_allowed[j] != NULL; j++ ) 613 { 614 if( at == oc->soc_allowed[j] ) { 615 return LDAP_SUCCESS; 616 } 617 } 618 } 619 } 620 621 /* not allowed by any oc */ 622 return LDAP_OBJECT_CLASS_VIOLATION; 623 } 624 625 /* 626 * Determine the structural object class from a set of OIDs 627 */ 628 int structural_class( 629 BerVarray ocs, 630 ObjectClass **scp, 631 ObjectClass ***socsp, 632 const char **text, 633 char *textbuf, size_t textlen, 634 void *ctx ) 635 { 636 int i, nocs; 637 ObjectClass *oc, **socs; 638 ObjectClass *sc = NULL; 639 int scn = -1; 640 641 *text = "structural_class: internal error"; 642 643 /* count them */ 644 for( i=0; ocs[i].bv_val; i++ ) ; 645 nocs = i; 646 647 socs = slap_sl_malloc( (nocs+1) * sizeof(ObjectClass *), ctx ); 648 649 for( i=0; ocs[i].bv_val; i++ ) { 650 socs[i] = oc_bvfind( &ocs[i] ); 651 652 if( socs[i] == NULL ) { 653 snprintf( textbuf, textlen, 654 "unrecognized objectClass '%s'", 655 ocs[i].bv_val ); 656 *text = textbuf; 657 goto fail; 658 } 659 } 660 socs[i] = NULL; 661 662 for( i=0; ocs[i].bv_val; i++ ) { 663 oc = socs[i]; 664 if( oc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) { 665 if( sc == NULL || is_object_subclass( sc, oc ) ) { 666 sc = oc; 667 scn = i; 668 669 } else if ( !is_object_subclass( oc, sc ) ) { 670 int j; 671 ObjectClass *xc = NULL; 672 673 /* find common superior */ 674 for( j=i+1; ocs[j].bv_val; j++ ) { 675 xc = socs[j]; 676 677 if( xc == NULL ) { 678 snprintf( textbuf, textlen, 679 "unrecognized objectClass '%s'", 680 ocs[j].bv_val ); 681 *text = textbuf; 682 goto fail; 683 } 684 685 if( xc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) { 686 xc = NULL; 687 continue; 688 } 689 690 if( is_object_subclass( sc, xc ) && 691 is_object_subclass( oc, xc ) ) 692 { 693 /* found common subclass */ 694 break; 695 } 696 697 xc = NULL; 698 } 699 700 if( xc == NULL ) { 701 /* no common subclass */ 702 snprintf( textbuf, textlen, 703 "invalid structural object class chain (%s/%s)", 704 ocs[scn].bv_val, ocs[i].bv_val ); 705 *text = textbuf; 706 goto fail; 707 } 708 } 709 } 710 } 711 712 if( scp ) { 713 *scp = sc; 714 } 715 716 if( sc == NULL ) { 717 *text = "no structural object class provided"; 718 goto fail; 719 } 720 721 if( scn < 0 ) { 722 *text = "invalid structural object class"; 723 goto fail; 724 } 725 726 if ( socsp ) { 727 *socsp = socs; 728 } else { 729 slap_sl_free( socs, ctx ); 730 } 731 *text = NULL; 732 733 return LDAP_SUCCESS; 734 735 fail: 736 slap_sl_free( socs, ctx ); 737 return LDAP_OBJECT_CLASS_VIOLATION; 738 } 739 740 /* 741 * Return structural object class from list of modifications 742 */ 743 int mods_structural_class( 744 Modifications *mods, 745 struct berval *sc, 746 const char **text, 747 char *textbuf, size_t textlen, void *ctx ) 748 { 749 Modifications *ocmod = NULL; 750 ObjectClass *ssc; 751 int rc; 752 753 for( ; mods != NULL; mods = mods->sml_next ) { 754 if( mods->sml_desc == slap_schema.si_ad_objectClass ) { 755 if( ocmod != NULL ) { 756 *text = "entry has multiple objectClass attributes"; 757 return LDAP_OBJECT_CLASS_VIOLATION; 758 } 759 ocmod = mods; 760 } 761 } 762 763 if( ocmod == NULL ) { 764 *text = "entry has no objectClass attribute"; 765 return LDAP_OBJECT_CLASS_VIOLATION; 766 } 767 768 if( ocmod->sml_values == NULL || ocmod->sml_values[0].bv_val == NULL ) { 769 *text = "objectClass attribute has no values"; 770 return LDAP_OBJECT_CLASS_VIOLATION; 771 } 772 773 rc = structural_class( ocmod->sml_values, &ssc, NULL, 774 text, textbuf, textlen, ctx ); 775 if ( rc == LDAP_SUCCESS ) 776 *sc = ssc->soc_cname; 777 return rc; 778 } 779 780 781 static int 782 entry_naming_check( 783 Entry *e, 784 int manage, 785 int add_naming, 786 const char** text, 787 char *textbuf, size_t textlen ) 788 { 789 /* naming check */ 790 LDAPRDN rdn = NULL; 791 const char *p = NULL; 792 ber_len_t cnt; 793 int rc = LDAP_SUCCESS; 794 795 if ( BER_BVISEMPTY( &e->e_name )) { 796 return LDAP_SUCCESS; 797 } 798 799 /* 800 * Get attribute type(s) and attribute value(s) of our RDN 801 */ 802 if ( ldap_bv2rdn( &e->e_name, &rdn, (char **)&p, 803 LDAP_DN_FORMAT_LDAP ) ) 804 { 805 *text = "unrecognized attribute type(s) in RDN"; 806 return LDAP_INVALID_DN_SYNTAX; 807 } 808 809 /* Check that each AVA of the RDN is present in the entry */ 810 /* FIXME: Should also check that each AVA lists a distinct type */ 811 for ( cnt = 0; rdn[cnt]; cnt++ ) { 812 LDAPAVA *ava = rdn[cnt]; 813 AttributeDescription *desc = NULL; 814 Attribute *attr; 815 const char *errtext; 816 int add = 0; 817 818 if( ava->la_flags & LDAP_AVA_BINARY ) { 819 snprintf( textbuf, textlen, 820 "value of naming attribute '%s' in unsupported BER form", 821 ava->la_attr.bv_val ); 822 rc = LDAP_NAMING_VIOLATION; 823 break; 824 } 825 826 rc = slap_bv2ad( &ava->la_attr, &desc, &errtext ); 827 if ( rc != LDAP_SUCCESS ) { 828 snprintf( textbuf, textlen, "%s (in RDN)", errtext ); 829 break; 830 } 831 832 if( desc->ad_type->sat_usage ) { 833 snprintf( textbuf, textlen, 834 "naming attribute '%s' is operational", 835 ava->la_attr.bv_val ); 836 rc = LDAP_NAMING_VIOLATION; 837 break; 838 } 839 840 if( desc->ad_type->sat_collective ) { 841 snprintf( textbuf, textlen, 842 "naming attribute '%s' is collective", 843 ava->la_attr.bv_val ); 844 rc = LDAP_NAMING_VIOLATION; 845 break; 846 } 847 848 if( !manage && desc->ad_type->sat_obsolete ) { 849 snprintf( textbuf, textlen, 850 "naming attribute '%s' is obsolete", 851 ava->la_attr.bv_val ); 852 rc = LDAP_NAMING_VIOLATION; 853 break; 854 } 855 856 if( !desc->ad_type->sat_equality ) { 857 snprintf( textbuf, textlen, 858 "naming attribute '%s' has no equality matching rule", 859 ava->la_attr.bv_val ); 860 rc = LDAP_NAMING_VIOLATION; 861 break; 862 } 863 864 if( !desc->ad_type->sat_equality->smr_match ) { 865 snprintf( textbuf, textlen, 866 "naming attribute '%s' has unsupported equality matching rule", 867 ava->la_attr.bv_val ); 868 rc = LDAP_NAMING_VIOLATION; 869 break; 870 } 871 872 /* find the naming attribute */ 873 attr = attr_find( e->e_attrs, desc ); 874 if ( attr == NULL ) { 875 snprintf( textbuf, textlen, 876 "naming attribute '%s' is not present in entry", 877 ava->la_attr.bv_val ); 878 if ( add_naming ) { 879 add = 1; 880 881 } else { 882 rc = LDAP_NAMING_VIOLATION; 883 } 884 885 } else { 886 rc = attr_valfind( attr, SLAP_MR_VALUE_OF_ASSERTION_SYNTAX| 887 SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH, 888 &ava->la_value, NULL, NULL ); 889 890 if ( rc != 0 ) { 891 switch( rc ) { 892 case LDAP_INAPPROPRIATE_MATCHING: 893 snprintf( textbuf, textlen, 894 "inappropriate matching for naming attribute '%s'", 895 ava->la_attr.bv_val ); 896 break; 897 case LDAP_INVALID_SYNTAX: 898 snprintf( textbuf, textlen, 899 "value of naming attribute '%s' is invalid", 900 ava->la_attr.bv_val ); 901 break; 902 case LDAP_NO_SUCH_ATTRIBUTE: 903 if ( add_naming ) { 904 if ( is_at_single_value( desc->ad_type ) ) { 905 snprintf( textbuf, textlen, 906 "value of single-valued naming attribute '%s' conflicts with value present in entry", 907 ava->la_attr.bv_val ); 908 909 } else { 910 add = 1; 911 rc = LDAP_SUCCESS; 912 } 913 914 } else { 915 snprintf( textbuf, textlen, 916 "value of naming attribute '%s' is not present in entry", 917 ava->la_attr.bv_val ); 918 } 919 break; 920 default: 921 snprintf( textbuf, textlen, 922 "naming attribute '%s' is inappropriate", 923 ava->la_attr.bv_val ); 924 } 925 926 if ( !add ) { 927 rc = LDAP_NAMING_VIOLATION; 928 } 929 } 930 } 931 932 if ( add ) { 933 attr_merge_normalize_one( e, desc, &ava->la_value, NULL ); 934 935 } else if ( rc != LDAP_SUCCESS ) { 936 break; 937 } 938 } 939 940 ldap_rdnfree( rdn ); 941 return rc; 942 } 943 944