1 /* modrdn.c - bdb backend modrdn routine */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/string.h>
23 struct berval *newrdn,
24 struct berval *nnewrdn,
26 struct berval *newSuperior,
27 struct berval *nnewSuperior )
29 struct bdb_info *bdb = (struct bdb_info *) be->be_private;
30 AttributeDescription *children = slap_schema.si_ad_children;
31 AttributeDescription *entry = slap_schema.si_ad_entry;
32 struct berval p_dn, p_ndn;
33 struct berval new_dn = {0, NULL}, new_ndn = {0, NULL};
38 /* LDAP v2 supporting correct attribute handling. */
39 LDAPRDN *new_rdn = NULL;
40 LDAPRDN *old_rdn = NULL;
43 char textbuf[SLAP_TEXT_BUFLEN];
44 size_t textlen = sizeof textbuf;
46 struct bdb_op_info opinfo;
50 Entry *np = NULL; /* newSuperior Entry */
51 struct berval *np_dn = NULL; /* newSuperior dn */
52 struct berval *np_ndn = NULL; /* newSuperior ndn */
53 struct berval *new_parent_dn = NULL; /* np_dn, p_dn, or NULL */
55 /* Used to interface with bdb_modify_internal() */
56 Modifications *mod = NULL; /* Used to delete old rdn */
58 int manageDSAit = get_manageDSAit( op );
65 #ifdef LDAP_CLIENT_UPDATE
67 struct psid_entry* pm_list;
68 struct psid_entry* pm_prev;
72 LDAP_LOG ( OPERATION, ENTRY, "==>bdb_modrdn(%s,%s,%s)\n",
73 dn->bv_val,newrdn->bv_val, newSuperior ? newSuperior->bv_val : "NULL" );
75 Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn(%s,%s,%s)\n",
76 dn->bv_val, newrdn->bv_val,
77 newSuperior ? newSuperior->bv_val : "NULL" );
81 retry: /* transaction retry */
83 bdb_cache_delete_entry(&bdb->bi_cache, e);
84 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
87 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
90 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
93 LDAP_LOG ( OPERATION, DETAIL1, "==>bdb_modrdn: retrying...\n", 0, 0, 0);
95 Debug( LDAP_DEBUG_TRACE, "==>bdb_modrdn: retrying...\n", 0, 0, 0 );
98 #ifdef LDAP_CLIENT_UPDATE
99 pm_list = LDAP_LIST_FIRST(&op->premodify_list);
100 while ( pm_list != NULL ) {
101 LDAP_LIST_REMOVE ( pm_list, link );
103 pm_list = LDAP_LIST_NEXT ( pm_list, link );
108 rc = TXN_ABORT( ltid );
110 op->o_private = NULL;
113 text = "internal error";
116 ldap_pvt_thread_yield();
119 /* begin transaction */
120 rc = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
121 bdb->bi_db_opflags );
125 LDAP_LOG ( OPERATION, ERR,
126 "==>bdb_modrdn: txn_begin failed: %s (%d)\n",
127 db_strerror(rc), rc, 0 );
129 Debug( LDAP_DEBUG_TRACE,
130 "bdb_delete: txn_begin failed: %s (%d)\n",
131 db_strerror(rc), rc, 0 );
134 text = "internal error";
138 locker = TXN_ID ( ltid );
141 opinfo.boi_txn = ltid;
143 op->o_private = &opinfo;
146 rc = bdb_dn2entry_w( be, ltid, ndn, &e, &matched, DB_RMW, locker, &lock );
152 case DB_LOCK_DEADLOCK:
153 case DB_LOCK_NOTGRANTED:
156 text = "ldap server busy";
160 text = "internal error";
165 char* matched_dn = NULL;
168 if( matched != NULL ) {
169 matched_dn = ch_strdup( matched->e_dn );
170 refs = is_entry_referral( matched )
171 ? get_entry_referrals( be, conn, op, matched )
173 bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, matched);
177 refs = referral_rewrite( default_referral,
178 NULL, dn, LDAP_SCOPE_DEFAULT );
181 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
182 matched_dn, NULL, refs, NULL );
184 ber_bvarray_free( refs );
190 /* check write on old entry */
191 rc = access_allowed( be, conn, op, e,
192 entry, NULL, ACL_WRITE, NULL );
194 switch( opinfo.boi_err ) {
195 case DB_LOCK_DEADLOCK:
196 case DB_LOCK_NOTGRANTED:
202 LDAP_LOG ( OPERATION, ERR,
203 "==>bdb_modrdn: no access to entry\n", 0, 0, 0 );
205 Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
208 rc = LDAP_INSUFFICIENT_ACCESS;
212 if (!manageDSAit && is_entry_referral( e ) ) {
213 /* parent is a referral, don't allow add */
214 /* parent is an alias, don't allow add */
215 BerVarray refs = get_entry_referrals( be,
219 LDAP_LOG ( OPERATION, DETAIL1,
220 "==>bdb_modrdn: entry %s is referral \n", e->e_dn, 0, 0 );
222 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry %s is referral\n",
226 send_ldap_result( conn, op, rc = LDAP_REFERRAL,
227 e->e_dn, NULL, refs, NULL );
229 ber_bvarray_free( refs );
233 if ( be_issuffix( be, &e->e_nname ) ) {
234 p_ndn = slap_empty_bv;
236 dnParent( &e->e_nname, &p_ndn );
239 if ( p_ndn.bv_len != 0 ) {
240 /* Make sure parent entry exist and we can write its
243 rc = bdb_dn2entry_r( be, ltid, &p_ndn, &p, NULL, 0, locker, &lock );
249 case DB_LOCK_DEADLOCK:
250 case DB_LOCK_NOTGRANTED:
253 text = "ldap server busy";
257 text = "internal error";
263 LDAP_LOG ( OPERATION, ERR,
264 "==>bdb_modrdn: parent does not exist\n", 0, 0, 0 );
266 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: parent does not exist\n",
273 /* check parent for "children" acl */
274 if ( ! access_allowed( be, conn, op, p,
275 children, NULL, ACL_WRITE, NULL ) )
278 LDAP_LOG ( OPERATION, ERR,
279 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
281 Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
284 send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
285 NULL, NULL, NULL, NULL );
290 LDAP_LOG ( OPERATION, DETAIL1,
291 "==>bdb_modrdn: wr to children %s is OK\n", p_ndn.bv_val, 0, 0 );
293 Debug( LDAP_DEBUG_TRACE,
294 "bdb_modrdn: wr to children of entry %s OK\n",
295 p_ndn.bv_val, 0, 0 );
298 if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
299 p_dn = slap_empty_bv;
301 dnParent( &e->e_name, &p_dn );
305 LDAP_LOG ( OPERATION, DETAIL1,
306 "==>bdb_modrdn: parent dn=%s\n", p_dn.bv_val, 0, 0 );
308 Debug( LDAP_DEBUG_TRACE,
309 "bdb_modrdn: parent dn=%s\n",
314 /* no parent, modrdn entry directly under root */
315 isroot = be_isroot( be, &op->o_ndn );
317 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
318 || be_isupdate( be, &op->o_ndn ) ) {
320 p = (Entry *)&slap_entry_root;
322 /* check parent for "children" acl */
323 rc = access_allowed( be, conn, op, p,
324 children, NULL, ACL_WRITE, NULL );
331 LDAP_LOG ( OPERATION, ERR,
332 "==>bdb_modrdn: no access to parent\n", 0, 0, 0 );
334 Debug( LDAP_DEBUG_TRACE,
335 "no access to parent\n",
338 send_ldap_result( conn, op,
339 LDAP_INSUFFICIENT_ACCESS,
340 NULL, NULL, NULL, NULL );
345 LDAP_LOG ( OPERATION, DETAIL1,
346 "==>bdb_modrdn: wr to children of entry \"%s\" OK\n",
349 Debug( LDAP_DEBUG_TRACE,
350 "bdb_modrdn: wr to children of entry \"\" OK\n",
358 LDAP_LOG ( OPERATION, DETAIL1,
359 "==>bdb_modrdn: parent dn=\"\" \n", 0, 0, 0 );
361 Debug( LDAP_DEBUG_TRACE,
362 "bdb_modrdn: parent dn=\"\"\n",
368 LDAP_LOG ( OPERATION, ERR,
369 "==>bdb_modrdn: no parent, not root &\"\" is not "
370 "suffix\n", 0, 0, 0 );
372 Debug( LDAP_DEBUG_TRACE,
373 "bdb_modrdn: no parent, not root "
374 "& \"\" is not suffix\n",
377 rc = LDAP_INSUFFICIENT_ACCESS;
383 new_parent_dn = &p_dn; /* New Parent unless newSuperior given */
385 if ( newSuperior != NULL ) {
387 LDAP_LOG ( OPERATION, DETAIL1,
388 "==>bdb_modrdn: new parent \"%s\" requested...\n",
389 newSuperior->bv_val, 0, 0 );
391 Debug( LDAP_DEBUG_TRACE,
392 "bdb_modrdn: new parent \"%s\" requested...\n",
393 newSuperior->bv_val, 0, 0 );
396 /* newSuperior == oldParent? */
397 if( dn_match( &p_ndn, nnewSuperior ) ) {
399 LDAP_LOG( BACK_LDBM, INFO, "bdb_back_modrdn: "
400 "new parent \"%s\" same as the old parent \"%s\"\n",
401 newSuperior->bv_val, p_dn.bv_val, 0 );
403 Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
404 "new parent \"%s\" same as the old parent \"%s\"\n",
405 newSuperior->bv_val, p_dn.bv_val, 0 );
407 newSuperior = NULL; /* ignore newSuperior */
410 if ( newSuperior != NULL ) {
411 if ( newSuperior->bv_len ) {
413 np_ndn = nnewSuperior;
415 /* newSuperior == oldParent?, if so ==> ERROR */
416 /* newSuperior == entry being moved?, if so ==> ERROR */
417 /* Get Entry with dn=newSuperior. Does newSuperior exist? */
419 rc = bdb_dn2entry_r( be,
420 ltid, nnewSuperior, &np, NULL, 0, locker, &lock );
426 case DB_LOCK_DEADLOCK:
427 case DB_LOCK_NOTGRANTED:
430 text = "ldap server busy";
434 text = "internal error";
440 LDAP_LOG ( OPERATION, DETAIL1,
441 "==>bdb_modrdn: newSup(ndn=%s) not here!\n",
442 np_ndn->bv_val, 0, 0 );
444 Debug( LDAP_DEBUG_TRACE,
445 "bdb_modrdn: newSup(ndn=%s) not here!\n",
446 np_ndn->bv_val, 0, 0);
453 LDAP_LOG ( OPERATION, DETAIL1,
454 "==>bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
455 np, (long) np->e_id, 0 );
457 Debug( LDAP_DEBUG_TRACE,
458 "bdb_modrdn: wr to new parent OK np=%p, id=%ld\n",
459 np, (long) np->e_id, 0 );
462 /* check newSuperior for "children" acl */
463 if ( !access_allowed( be, conn, op, np, children, NULL, ACL_WRITE, NULL ) ) {
465 LDAP_LOG ( OPERATION, DETAIL1,
466 "==>bdb_modrdn: no wr to newSup children\n", 0, 0, 0 );
468 Debug( LDAP_DEBUG_TRACE,
469 "bdb_modrdn: no wr to newSup children\n",
472 rc = LDAP_INSUFFICIENT_ACCESS;
477 if ( is_entry_alias( np ) ) {
478 /* parent is an alias, don't allow add */
480 LDAP_LOG ( OPERATION, DETAIL1,
481 "==>bdb_modrdn: entry is alias\n", 0, 0, 0 );
483 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is alias\n",
487 rc = LDAP_ALIAS_PROBLEM;
492 if ( is_entry_referral( np ) ) {
493 /* parent is a referral, don't allow add */
495 LDAP_LOG ( OPERATION, DETAIL1,
496 "==>bdb_modrdn: entry is referral\n", 0, 0, 0 );
498 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: entry is referral\n",
507 if ( isroot == -1 ) {
508 isroot = be_isroot( be, &op->o_ndn );
513 /* no parent, modrdn entry directly under root */
515 if ( be_issuffix( be, (struct berval *)&slap_empty_bv )
516 || be_isupdate( be, &op->o_ndn ) ) {
517 np = (Entry *)&slap_entry_root;
519 /* check parent for "children" acl */
520 rc = access_allowed( be, conn, op, np,
521 children, NULL, ACL_WRITE, NULL );
528 LDAP_LOG ( OPERATION, ERR,
529 "==>bdb_modrdn: no access to superior\n", 0, 0, 0 );
531 Debug( LDAP_DEBUG_TRACE,
532 "no access to new superior\n",
535 send_ldap_result( conn, op,
536 LDAP_INSUFFICIENT_ACCESS,
537 NULL, NULL, NULL, NULL );
542 LDAP_LOG ( OPERATION, DETAIL1,
543 "bdb_modrdn: wr to children entry \"\" OK\n", 0, 0, 0 );
545 Debug( LDAP_DEBUG_TRACE,
546 "bdb_modrdn: wr to children of entry \"\" OK\n",
552 LDAP_LOG ( OPERATION, ERR,
553 "bdb_modrdn: new superior=\"\", not root & \"\" "
554 "is not suffix\n", 0, 0, 0 );
556 Debug( LDAP_DEBUG_TRACE,
557 "bdb_modrdn: new superior=\"\", not root "
558 "& \"\" is not suffix\n",
561 rc = LDAP_INSUFFICIENT_ACCESS;
567 LDAP_LOG ( OPERATION, DETAIL1,
568 "bdb_modrdn: new superior=\"\"\n", 0, 0, 0 );
570 Debug( LDAP_DEBUG_TRACE,
571 "bdb_modrdn: new superior=\"\"\n",
577 LDAP_LOG ( OPERATION, DETAIL1,
578 "bdb_modrdn: wr to new parent's children OK\n", 0, 0, 0 );
580 Debug( LDAP_DEBUG_TRACE,
581 "bdb_modrdn: wr to new parent's children OK\n",
585 new_parent_dn = np_dn;
588 /* Build target dn and make sure target entry doesn't exist already. */
589 build_new_dn( &new_dn, new_parent_dn, newrdn );
591 dnNormalize2( NULL, &new_dn, &new_ndn );
594 LDAP_LOG ( OPERATION, RESULTS,
595 "bdb_modrdn: new ndn=%s\n", new_ndn.bv_val, 0, 0 );
597 Debug( LDAP_DEBUG_TRACE, "bdb_modrdn: new ndn=%s\n",
598 new_ndn.bv_val, 0, 0 );
601 rc = bdb_dn2id ( be, ltid, &new_ndn, &id, 0 );
603 case DB_LOCK_DEADLOCK:
604 case DB_LOCK_NOTGRANTED:
609 rc = LDAP_ALREADY_EXISTS;
613 text = "internal error";
618 LDAP_LOG ( OPERATION, ERR,
619 "bdb_modrdn: new ndn=%s does not exist\n", new_ndn.bv_val, 0, 0 );
621 Debug( LDAP_DEBUG_TRACE,
622 "bdb_modrdn: new ndn=%s does not exist\n",
623 new_ndn.bv_val, 0, 0 );
626 /* Get attribute type and attribute value of our new rdn, we will
627 * need to add that to our new entry
629 if ( ldap_bv2rdn( newrdn, &new_rdn, (char **)&text,
630 LDAP_DN_FORMAT_LDAP ) )
633 LDAP_LOG ( OPERATION, ERR,
634 "bdb_modrdn: can't figure out "
635 "type(s)/values(s) of newrdn\n",
638 Debug( LDAP_DEBUG_TRACE,
639 "bdb_modrdn: can't figure out "
640 "type(s)/values(s) of newrdn\n",
643 rc = LDAP_INVALID_DN_SYNTAX;
644 text = "unknown type(s) used in RDN";
649 LDAP_LOG ( OPERATION, RESULTS,
650 "bdb_modrdn: new_rdn_type=\"%s\", "
651 "new_rdn_val=\"%s\"\n",
652 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
653 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
655 Debug( LDAP_DEBUG_TRACE,
656 "bdb_modrdn: new_rdn_type=\"%s\", "
657 "new_rdn_val=\"%s\"\n",
658 new_rdn[ 0 ][ 0 ]->la_attr.bv_val,
659 new_rdn[ 0 ][ 0 ]->la_value.bv_val, 0 );
662 if ( deleteoldrdn ) {
663 if ( ldap_bv2rdn( dn, &old_rdn, (char **)&text,
664 LDAP_DN_FORMAT_LDAP ) )
667 LDAP_LOG ( OPERATION, ERR,
668 "bdb_modrdn: can't figure out "
669 "type(s)/values(s) of old_rdn\n",
672 Debug( LDAP_DEBUG_TRACE,
673 "bdb_modrdn: can't figure out "
674 "the old_rdn type(s)/value(s)\n",
678 text = "cannot parse RDN from old DN";
683 /* prepare modlist of modifications from old/new rdn */
684 rc = slap_modrdn2mods( be, conn, op, e, old_rdn, new_rdn,
685 deleteoldrdn, &mod );
686 if ( rc != LDAP_SUCCESS ) {
691 rc = bdb_dn2id_delete( be, ltid, p_ndn.bv_val, e );
694 case DB_LOCK_DEADLOCK:
695 case DB_LOCK_NOTGRANTED:
699 text = "DN index delete fail";
703 (void) bdb_cache_delete_entry(&bdb->bi_cache, e);
705 /* Binary format uses a single contiguous block, cannot
706 * free individual fields. Leave new_dn/new_ndn set so
707 * they can be individually freed later.
710 e->e_nname = new_ndn;
712 new_dn.bv_val = NULL;
713 new_ndn.bv_val = NULL;
716 rc = bdb_dn2id_add( be, ltid, np_ndn, e );
719 case DB_LOCK_DEADLOCK:
720 case DB_LOCK_NOTGRANTED:
724 text = "DN index add failed";
728 #ifdef LDAP_CLIENT_UPDATE
729 if ( rc == LDAP_SUCCESS && !op->o_noop ) {
730 LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
731 bdb_psearch(be, conn, op, ps_list, e, LCUP_PSEARCH_BY_PREMODIFY );
734 #endif /* LDAP_CLIENT_UPDATE */
737 rc = bdb_modify_internal( be, conn, op, ltid, &mod[0], e,
738 &text, textbuf, textlen );
740 if( rc != LDAP_SUCCESS ) {
742 case DB_LOCK_DEADLOCK:
743 case DB_LOCK_NOTGRANTED:
750 rc = bdb_id2entry_update( be, ltid, e );
753 case DB_LOCK_DEADLOCK:
754 case DB_LOCK_NOTGRANTED:
758 text = "entry update failed";
763 if(( rc=TXN_ABORT( ltid )) != 0 ) {
764 text = "txn_abort (no-op) failed";
771 char gid[DB_XIDDATASIZE];
773 snprintf( gid, sizeof( gid ), "%s-%08lx-%08lx",
774 bdb_uuid.bv_val, (long) op->o_connid, (long) op->o_opid );
776 if(( rc=TXN_PREPARE( ltid, gid )) != 0 ) {
777 text = "txn_prepare failed";
779 if( bdb_cache_update_entry(&bdb->bi_cache, e) == -1 ) {
780 if(( rc=TXN_ABORT( ltid )) != 0 ) {
781 text ="cache update & txn_abort failed";
784 text = "cache update failed";
788 if(( rc=TXN_COMMIT( ltid, 0 )) != 0 ) {
789 text = "txn_commit failed";
798 op->o_private = NULL;
800 if( rc == LDAP_SUCCESS ) {
802 LDAP_LOG ( OPERATION, RESULTS,
803 "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
804 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
806 Debug(LDAP_DEBUG_TRACE,
807 "bdb_modrdn: rdn modified%s id=%08lx dn=\"%s\"\n",
808 op->o_noop ? " (no-op)" : "", e->e_id, e->e_dn );
812 bdb_cache_entry_commit( e );
817 LDAP_LOG ( OPERATION, RESULTS, "bdb_modrdn: %s : %s (%d)\n",
818 text, db_strerror(rc), rc );
820 Debug( LDAP_DEBUG_TRACE, "bdb_add: %s : %s (%d)\n",
821 text, db_strerror(rc), rc );
827 send_ldap_result( conn, op, rc,
828 NULL, text, NULL, NULL );
830 #ifdef LDAP_CLIENT_UPDATE
831 if ( rc == LDAP_SUCCESS && !op->o_noop ) {
832 /* Loop through in-scope entries for each psearch spec */
833 LDAP_LIST_FOREACH ( ps_list, &bdb->psearch_list, link ) {
834 bdb_psearch( be, conn, op, ps_list, e, LCUP_PSEARCH_BY_MODIFY );
836 pm_list = LDAP_LIST_FIRST(&op->premodify_list);
837 while ( pm_list != NULL ) {
838 bdb_psearch(be, conn, op, pm_list->ps->op,
839 e, LCUP_PSEARCH_BY_SCOPEOUT);
840 LDAP_LIST_REMOVE ( pm_list, link );
842 pm_list = LDAP_LIST_NEXT ( pm_list, link );
846 #endif /* LDAP_CLIENT_UPDATE */
848 if( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
849 ldap_pvt_thread_yield();
850 TXN_CHECKPOINT( bdb->bi_dbenv,
851 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
855 if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
856 if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );
858 /* LDAP v2 supporting correct attribute handling. */
859 if ( new_rdn != NULL ) {
860 ldap_rdnfree( new_rdn );
862 if ( old_rdn != NULL ) {
863 ldap_rdnfree( old_rdn );
867 for (; mod; mod=tmp ) {
873 /* LDAP v3 Support */
875 /* free new parent and reader lock */
876 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
880 /* free parent and reader lock */
881 bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
886 bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
890 #ifdef LDAP_CLIENT_UPDATE
891 pm_list = LDAP_LIST_FIRST(&op->premodify_list);
892 while ( pm_list != NULL ) {
893 LDAP_LIST_REMOVE ( pm_list, link );
895 pm_list = LDAP_LIST_NEXT ( pm_list, link );
900 op->o_private = NULL;
903 return ( ( rc == LDAP_SUCCESS ) ? noop : rc );