1 /* modrdn.c - ldbm backend modrdn routine */
4 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
9 * LDAP v3 newSuperior support. Add new rdn as an attribute.
10 * (Full support for v2 also used software/ideas contributed
11 * by Roy Hooper rhooper@cyberus.ca, thanks to him for his
14 * Copyright 1999, Juan C. Gomez, All rights reserved.
15 * This software is not subject to any license of Silicon Graphics
16 * Inc. or Purdue University.
18 * Redistribution and use in source and binary forms are permitted
19 * without restriction or fee of any kind as long as this notice
28 #include <ac/string.h>
29 #include <ac/socket.h>
32 #include "back-ldbm.h"
33 #include "proto-back-ldbm.h"
44 const char *newSuperior
47 AttributeDescription *children = slap_schema.si_ad_children;
48 struct ldbminfo *li = (struct ldbminfo *) be->be_private;
49 char *p_dn = NULL, *p_ndn = NULL;
50 char *new_dn = NULL, *new_ndn = NULL;
54 #define CAN_ROLLBACK -1
55 #define MUST_DESTROY 1
56 int rc = CAN_ROLLBACK;
59 const char *text = NULL;
60 char textbuf[SLAP_TEXT_BUFLEN];
61 size_t textlen = sizeof textbuf;
62 /* Added to support LDAP v2 correctly (deleteoldrdn thing) */
63 char **new_rdn_vals = NULL; /* Vals of new rdn */
64 char **new_rdn_types = NULL; /* Types of new rdn */
66 char *old_rdn = NULL; /* Old rdn's attr type & val */
67 char **old_rdn_types = NULL; /* Types of old rdn attrs. */
68 char **old_rdn_vals = NULL; /* Old rdn attribute values */
69 /* Added to support newSuperior */
70 Entry *np = NULL; /* newSuperior Entry */
71 char *np_dn = NULL; /* newSuperior dn */
72 char *np_ndn = NULL; /* newSuperior ndn */
73 char *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
74 /* Used to interface with ldbm_modify_internal() */
75 Modifications *mod = NULL; /* Used to delete old/add new rdn */
76 int manageDSAit = get_manageDSAit( op );
79 LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
80 "ldbm_back_modrdn: dn: %s newSuperior=%s\n",
81 dn ? dn : "NULL", newSuperior ? newSuperior : "NULL" ));
83 Debug( LDAP_DEBUG_TRACE, "==>ldbm_back_modrdn(newSuperior=%s)\n",
84 (newSuperior ? newSuperior : "NULL"),
88 /* get entry with writer lock */
89 if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
90 char* matched_dn = NULL;
93 if( matched != NULL ) {
94 matched_dn = strdup( matched->e_dn );
95 refs = is_entry_referral( matched )
96 ? get_entry_referrals( be, conn, op, matched,
97 dn, LDAP_SCOPE_DEFAULT )
99 cache_return_entry_r( &li->li_cache, matched );
101 refs = referral_rewrite( default_referral,
102 NULL, dn, LDAP_SCOPE_DEFAULT );
105 send_ldap_result( conn, op, LDAP_REFERRAL,
106 matched_dn, NULL, refs, NULL );
108 ber_bvecfree( refs );
114 if (!manageDSAit && is_entry_referral( e ) ) {
115 /* parent is a referral, don't allow add */
116 /* parent is an alias, don't allow add */
117 struct berval **refs = get_entry_referrals( be,
118 conn, op, e, dn, LDAP_SCOPE_DEFAULT );
121 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
122 "ldbm_back_modrdn: entry %s is a referral\n", e->e_dn ));
124 Debug( LDAP_DEBUG_TRACE, "entry %s is referral\n", e->e_dn,
128 send_ldap_result( conn, op, LDAP_REFERRAL,
129 e->e_dn, NULL, refs, NULL );
131 ber_bvecfree( refs );
135 if ( has_children( be, e ) ) {
137 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
138 "ldbm_back_modrdn: entry %s has children\n", e->e_dn ));
140 Debug( LDAP_DEBUG_TRACE, "entry %s has children\n", e->e_dn,
144 send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
145 NULL, "subtree rename not supported", NULL, NULL );
149 if ( (p_ndn = dn_parent( be, e->e_ndn )) != NULL && p_ndn[0] != '\0' ) {
150 /* Make sure parent entry exist and we can write its
154 if( (p = dn2entry_w( be, p_ndn, NULL )) == NULL) {
156 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
157 "ldbm_back_modrdn: parent of %s does not exist\n", e->e_ndn ));
159 Debug( LDAP_DEBUG_TRACE, "parent does not exist\n",
163 send_ldap_result( conn, op, LDAP_OTHER,
164 NULL, "parent entry does not exist", NULL, NULL );
169 /* check parent for "children" acl */
170 if ( ! access_allowed( be, conn, op, p,
171 children, NULL, ACL_WRITE ) )
174 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
175 "ldbm_back_modrdn: no access to parent of (%s)\n", e->e_dn ));
177 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
181 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
182 NULL, NULL, NULL, NULL );
187 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
188 "ldbm_back_modrdn: wr to children of entry %s OK\n",
191 Debug( LDAP_DEBUG_TRACE,
192 "ldbm_back_modrdn: wr to children of entry %s OK\n",
196 p_dn = dn_parent( be, e->e_dn );
199 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
200 "ldbm_back_modrdn: parent dn=%s\n", p_dn ));
202 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: parent dn=%s\n",
207 /* no parent, modrdn entry directly under root */
208 if( ! be_isroot( be, op->o_ndn ) && ! be_issuffix( be, "" ) ) {
210 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
211 "ldbm_back_modrdn: (%s) no parent & not a root.\n",
214 Debug( LDAP_DEBUG_TRACE, "no parent & not root\n",
218 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
219 NULL, NULL, NULL, NULL );
223 ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
227 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
228 "ldbm_back_modrdn: (%s) no parent, locked root.\n", e->e_dn ));
230 Debug( LDAP_DEBUG_TRACE,
231 "ldbm_back_modrdn: no parent, locked root\n",
236 new_parent_dn = p_dn; /* New Parent unless newSuperior given */
238 if ( newSuperior != NULL ) {
240 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
241 "ldbm_back_modrdn: new parent \"%s\" requested\n", newSuperior ));
243 Debug( LDAP_DEBUG_TRACE,
244 "ldbm_back_modrdn: new parent \"%s\" requested...\n",
248 np_dn = ch_strdup( newSuperior );
249 np_ndn = ch_strdup( np_dn );
250 (void) dn_normalize( np_ndn );
252 /* newSuperior == oldParent? */
253 if ( strcmp( p_ndn, np_ndn ) == 0 ) {
255 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
256 "ldbm_back_modrdn: new parent\"%s\" seems to be the same as the old parent \"%s\"\n",
257 newSuperior, p_dn ));
259 Debug( LDAP_DEBUG_TRACE,
260 "ldbm_back_modrdn: new parent \"%s\" seems to be the same as old parent \"%s\"...\n",
261 newSuperior, p_dn, 0 );
264 newSuperior = NULL; /* ignore newSuperior */
268 if ( newSuperior != NULL ) {
269 /* newSuperior == entry being moved?, if so ==> ERROR */
270 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
272 if( (np = dn2entry_w( be, np_ndn, NULL )) == NULL) {
274 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
275 "ldbm_back_modrdn: newSup(ndn=%s) not found.\n", np_ndn ));
277 Debug( LDAP_DEBUG_TRACE,
278 "ldbm_back_modrdn: newSup(ndn=%s) not here!\n",
282 send_ldap_result( conn, op, LDAP_OTHER,
283 NULL, "newSuperior not found", NULL, NULL );
288 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
289 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
292 Debug( LDAP_DEBUG_TRACE,
293 "ldbm_back_modrdn: wr to new parent OK np=%p, id=%ld\n",
297 /* check newSuperior for "children" acl */
298 if ( !access_allowed( be, conn, op, np, children, NULL,
302 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
303 "ldbm_back_modrdn: no wr to newSup children.\n" ));
305 Debug( LDAP_DEBUG_TRACE,
306 "ldbm_back_modrdn: no wr to newSup children\n",
310 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
311 NULL, NULL, NULL, NULL );
315 if ( is_entry_alias( np ) ) {
316 /* entry is an alias, don't allow bind */
318 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
319 "ldbm_back_modrdn: entry (%s) is an alias.\n", np->e_dn ));
321 Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
326 send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
327 NULL, "newSuperior is an alias", NULL, NULL );
332 if ( is_entry_referral( np ) ) {
333 /* parent is a referral, don't allow add */
334 /* parent is an alias, don't allow add */
336 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
337 "ldbm_back_modrdn: entry (%s) is a referral\n",
340 Debug( LDAP_DEBUG_TRACE, "entry (%s) is referral\n",
344 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
345 NULL, "newSuperior is a referral", NULL, NULL );
351 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
352 "ldbm_back_modrdn: wr to new parent's children OK.\n" ));
354 Debug( LDAP_DEBUG_TRACE,
355 "ldbm_back_modrdn: wr to new parent's children OK\n",
359 new_parent_dn = np_dn;
362 /* Build target dn and make sure target entry doesn't exist already. */
363 build_new_dn( &new_dn, e->e_dn, new_parent_dn, newrdn );
365 new_ndn = ch_strdup(new_dn);
366 (void) dn_normalize( new_ndn );
369 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
370 "ldbm_back_modrdn: new ndn=%s\n", new_ndn ));
372 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: new ndn=%s\n",
376 /* check for abandon */
377 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
378 if ( op->o_abandon ) {
379 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
383 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
384 if ( ( rc_id = dn2id ( be, new_ndn, &id ) ) || id != NOID ) {
385 /* if (rc_id) something bad happened to ldbm cache */
386 send_ldap_result( conn, op,
387 rc_id ? LDAP_OPERATIONS_ERROR : LDAP_ALREADY_EXISTS,
388 NULL, NULL, NULL, NULL );
393 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
394 "ldbm_back_modrdn: new ndn (%s) does not exist\n", new_ndn ));
396 Debug( LDAP_DEBUG_TRACE,
397 "ldbm_back_modrdn: new ndn=%s does not exist\n",
402 /* Get attribute types and values of our new rdn, we will
403 * need to add that to our new entry
405 if ( rdn_attrs( newrdn, &new_rdn_types, &new_rdn_vals ) ) {
407 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
408 "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n" ));
410 Debug( LDAP_DEBUG_TRACE,
411 "ldbm_back_modrdn: can't figure out type(s)/value(s) of newrdn\n",
415 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
416 NULL, "unable to parse type(s)/value(s) used in RDN", NULL, NULL );
421 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
422 "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
423 new_rdn_vals[0], new_rdn_types[0] ));
425 Debug( LDAP_DEBUG_TRACE,
426 "ldbm_back_modrdn: new_rdn_val=\"%s\", new_rdn_type=\"%s\"\n",
427 new_rdn_vals[0], new_rdn_types[0], 0 );
430 /* Retrieve the old rdn from the entry's dn */
431 if ( (old_rdn = dn_rdn( be, dn )) == NULL ) {
433 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
434 "ldbm_back_modrdn: can't figure out old_rdn from dn (%s)\n",
437 Debug( LDAP_DEBUG_TRACE,
438 "ldbm_back_modrdn: can't figure out old_rdn from dn\n",
442 send_ldap_result( conn, op, LDAP_OTHER,
443 NULL, "could not parse old DN", NULL, NULL );
447 if ( rdn_attrs( old_rdn, &old_rdn_types, &old_rdn_vals ) ) {
449 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
450 "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s).\n" ));
452 Debug( LDAP_DEBUG_TRACE,
453 "ldbm_back_modrdn: can't figure out the old_rdn type(s)/value(s)\n",
457 send_ldap_result( conn, op, LDAP_OTHER,
458 NULL, "unable to parse type(s)/value(s) used in RDN from old DN", NULL, NULL );
462 if ( newSuperior == NULL
463 && charray_strcasecmp( (const char **)old_rdn_types, (const char **)new_rdn_types ) != 0 )
465 /* Not a big deal but we may say something */
467 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
468 "ldbm_back_modrdn: old_rdn_type=%s new_rdn_type=%s\n",
469 old_rdn_types[0], new_rdn_types[0] ));
471 Debug( LDAP_DEBUG_TRACE,
472 "ldbm_back_modrdn: old_rdn_type=%s, new_rdn_type=%s!\n",
473 old_rdn_types[0], new_rdn_types[0], 0 );
478 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
479 "ldbm_back_modrdn: DN_X500\n" ));
481 Debug( LDAP_DEBUG_TRACE, "ldbm_back_modrdn: DN_X500\n",
486 for ( a_cnt = 0; new_rdn_types[a_cnt]; a_cnt++ ) {
488 AttributeDescription *desc = NULL;
489 Modifications *mod_tmp;
493 rc = slap_str2ad( new_rdn_types[a_cnt], &desc, &text );
495 if ( rc != LDAP_SUCCESS ) {
497 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
498 "ldbm_back_modrdn: slap_str2ad error: %s (%s)\n",
499 text, new_rdn_types[a_cnt] ));
501 Debug( LDAP_DEBUG_TRACE,
502 "ldbm_back_modrdn: %s: %s (new)\n",
503 text, new_rdn_types[a_cnt], 0 );
506 send_ldap_result( conn, op, rc,
507 NULL, text, NULL, NULL );
512 val.bv_val = new_rdn_vals[a_cnt];
513 val.bv_len = strlen( val.bv_val );
514 if ( ! access_allowed( be, conn, op, e,
515 desc, &val, ACL_WRITE ) ) {
517 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
518 "ldbm_back_modrdn: access "
519 "not allowed to attr \"%s\"\n",
520 new_rdn_types[a_cnt] ));
522 Debug( LDAP_DEBUG_TRACE,
523 "ldbm_back_modrdn: access not allowed "
524 "to attr \"%s\"\n%s%s",
525 new_rdn_types[a_cnt], "", "" );
527 send_ldap_result( conn, op,
528 LDAP_INSUFFICIENT_ACCESS,
529 NULL, NULL, NULL, NULL );
534 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
535 mod_tmp->sml_desc = desc;
536 mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
537 mod_tmp->sml_bvalues[0] = ber_bvstrdup( new_rdn_vals[a_cnt] );
538 mod_tmp->sml_bvalues[1] = NULL;
539 mod_tmp->sml_op = SLAP_MOD_SOFTADD;
540 mod_tmp->sml_next = mod;
544 /* Remove old rdn value if required */
545 if ( deleteoldrdn ) {
546 /* Get value of old rdn */
547 if ( old_rdn_vals == NULL ) {
549 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
550 "ldbm_back_modrdn: can't figure out old RDN value(s) from old RDN\n" ));
552 Debug( LDAP_DEBUG_TRACE,
553 "ldbm_back_modrdn: can't figure out oldRDN value(s) from old RDN\n",
557 send_ldap_result( conn, op, LDAP_OTHER,
558 NULL, "could not parse value(s) from old RDN", NULL, NULL );
562 for ( d_cnt = 0; old_rdn_types[d_cnt]; d_cnt++ ) {
564 AttributeDescription *desc = NULL;
565 Modifications *mod_tmp;
569 rc = slap_str2ad( old_rdn_types[d_cnt], &desc, &text );
571 if ( rc != LDAP_SUCCESS ) {
573 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
574 "ldbm_back_modrdn: %s: %s (old)\n",
575 text, old_rdn_types[d_cnt] ));
577 Debug( LDAP_DEBUG_TRACE,
578 "ldbm_back_modrdn: %s: %s (old)\n",
579 text, old_rdn_types[d_cnt], 0 );
582 send_ldap_result( conn, op, rc,
583 NULL, text, NULL, NULL );
588 val.bv_val = old_rdn_vals[d_cnt];
589 val.bv_len = strlen( val.bv_val );
590 if ( ! access_allowed( be, conn, op, e,
591 desc, &val, ACL_WRITE ) ) {
593 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
594 "ldbm_back_modrdn: access "
595 "not allowed to attr \"%s\"\n",
596 old_rdn_types[d_cnt] ));
598 Debug( LDAP_DEBUG_TRACE,
599 "ldbm_back_modrdn: access not allowed "
600 "to attr \"%s\"\n%s%s",
601 old_rdn_types[d_cnt], "", "" );
603 send_ldap_result( conn, op,
604 LDAP_INSUFFICIENT_ACCESS,
605 NULL, NULL, NULL, NULL );
610 /* Remove old value of rdn as an attribute. */
611 mod_tmp = (Modifications *)ch_malloc( sizeof( Modifications ) );
612 mod_tmp->sml_desc = desc;
613 mod_tmp->sml_bvalues = (struct berval **)ch_malloc( 2 * sizeof(struct berval *) );
614 mod_tmp->sml_bvalues[0] = ber_bvstrdup( old_rdn_vals[d_cnt] );
615 mod_tmp->sml_bvalues[1] = NULL;
616 mod_tmp->sml_op = LDAP_MOD_DELETE;
617 mod_tmp->sml_next = mod;
621 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
622 "ldbm_back_modrdn: removing old_rdn_val=%s\n", old_rdn_vals[0] ));
624 Debug( LDAP_DEBUG_TRACE,
625 "ldbm_back_modrdn: removing old_rdn_val=%s\n",
626 old_rdn_vals[0], 0, 0 );
632 /* check for abandon */
633 ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
634 if ( op->o_abandon ) {
635 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
638 ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
641 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
642 send_ldap_result( conn, op, LDAP_OTHER,
643 NULL, "DN index delete fail", NULL, NULL );
647 (void) cache_delete_entry( &li->li_cache, e );
650 /* XXX: there is no going back! */
660 if ( dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
661 send_ldap_result( conn, op, LDAP_OTHER,
662 NULL, "DN index add failed", NULL, NULL );
666 /* modify memory copy of entry */
667 rc = ldbm_modify_internal( be, conn, op, dn, &mod[0], e,
668 &text, textbuf, textlen );
670 if( rc != LDAP_SUCCESS ) {
671 if( rc != SLAPD_ABANDON ) {
672 send_ldap_result( conn, op, rc,
673 NULL, text, NULL, NULL );
676 /* here we may try to delete the newly added dn */
677 if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
678 /* we already are in trouble ... */
685 (void) cache_update_entry( &li->li_cache, e );
687 /* NOTE: after this you must not free new_dn or new_ndn!
688 * They are used by cache.
692 if ( id2entry_add( be, e ) != 0 ) {
693 send_ldap_result( conn, op, LDAP_OTHER,
694 NULL, "entry update failed", NULL, NULL );
698 send_ldap_result( conn, op, LDAP_SUCCESS,
699 NULL, NULL, NULL, NULL );
701 cache_entry_commit( e );
704 if( new_dn != NULL ) free( new_dn );
705 if( new_ndn != NULL ) free( new_ndn );
707 if( p_dn != NULL ) free( p_dn );
708 if( p_ndn != NULL ) free( p_ndn );
710 /* LDAP v2 supporting correct attribute handling. */
711 if( new_rdn_types != NULL ) charray_free( new_rdn_types );
712 if( new_rdn_vals != NULL ) charray_free( new_rdn_vals );
713 if( old_rdn != NULL ) free(old_rdn);
714 if( old_rdn_types != NULL ) charray_free( old_rdn_types );
715 if( old_rdn_vals != NULL ) charray_free( old_rdn_vals );
718 slap_mods_free( mod );
721 /* LDAP v3 Support */
722 if ( np_dn != NULL ) free( np_dn );
723 if ( np_ndn != NULL ) free( np_ndn );
726 /* free new parent and writer lock */
727 cache_return_entry_w( &li->li_cache, np );
731 /* free parent and writer lock */
732 cache_return_entry_w( &li->li_cache, p );
736 /* release root writer lock */
737 ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
740 /* free entry and writer lock */
741 cache_return_entry_w( &li->li_cache, e );
742 if ( rc == MUST_DESTROY ) {
743 /* if rc == MUST_DESTROY the entry is uncached
744 * and its private data is destroyed;
745 * the entry must be freed */