1 /* modify.c - bdb backend modify routine */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2000-2004 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/string.h>
26 static struct berval scbva[] = {
31 int bdb_modify_internal(
34 Modifications *modlist,
43 Attribute *save_attrs;
45 int glue_attr_delete = 0;
48 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify_internal: 0x%08lx: %s\n",
49 e->e_id, e->e_dn, 0 );
51 Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
55 if ( !acl_check_modlist( op, e, modlist )) {
56 return LDAP_INSUFFICIENT_ACCESS;
59 /* save_attrs will be disposed of by bdb_cache_modify */
60 save_attrs = e->e_attrs;
61 e->e_attrs = attrs_dup( e->e_attrs );
63 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
66 switch( mod->sm_op ) {
68 case LDAP_MOD_REPLACE:
69 if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
70 value_match( &match, slap_schema.si_ad_structuralObjectClass,
71 slap_schema.si_ad_structuralObjectClass->ad_type->sat_equality,
72 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
73 &mod->sm_values[0], &scbva[0], text );
78 if ( glue_attr_delete )
82 if ( glue_attr_delete ) {
83 Attribute **app = &e->e_attrs;
84 while ( *app != NULL ) {
85 if ( !is_at_operational( (*app)->a_desc->ad_type )) {
86 Attribute *save = *app;
87 *app = (*app)->a_next;
91 app = &(*app)->a_next;
95 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
98 switch ( mod->sm_op ) {
101 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify_internal: add\n", 0,0,0);
103 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: add\n", 0, 0, 0);
105 err = modify_add_values( e, mod, get_permissiveModify(op),
106 text, textbuf, textlen );
107 if( err != LDAP_SUCCESS ) {
109 LDAP_LOG ( OPERATION, ERR,
110 "bdb_modify_internal: %d %s\n", err, *text, 0 );
112 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
118 case LDAP_MOD_DELETE:
119 if ( glue_attr_delete ) {
125 LDAP_LOG ( OPERATION, DETAIL1,
126 "bdb_modify_internal: delete\n", 0, 0, 0 );
128 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: delete\n", 0, 0, 0);
130 err = modify_delete_values( e, mod, get_permissiveModify(op),
131 text, textbuf, textlen );
132 assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
133 if( err != LDAP_SUCCESS ) {
135 LDAP_LOG ( OPERATION, ERR,
136 "bdb_modify_internal: %d %s\n", err, *text, 0 );
138 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
144 case LDAP_MOD_REPLACE:
146 LDAP_LOG ( OPERATION, DETAIL1,
147 "bdb_modify_internal: replace\n", 0, 0, 0 );
149 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: replace\n", 0, 0, 0);
151 err = modify_replace_values( e, mod, get_permissiveModify(op),
152 text, textbuf, textlen );
153 if( err != LDAP_SUCCESS ) {
155 LDAP_LOG ( OPERATION, ERR,
156 "bdb_modify_internal: %d %s\n", err, *text, 0 );
158 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
164 case LDAP_MOD_INCREMENT:
166 LDAP_LOG ( OPERATION, DETAIL1,
167 "bdb_modify_internal: increment\n", 0, 0, 0 );
169 Debug(LDAP_DEBUG_ARGS,
170 "bdb_modify_internal: increment\n", 0, 0, 0);
172 err = modify_increment_values( e, mod, get_permissiveModify(op),
173 text, textbuf, textlen );
174 if( err != LDAP_SUCCESS ) {
176 LDAP_LOG ( OPERATION, ERR,
177 "bdb_modify_internal: %d %s\n", err, *text, 0 );
179 Debug(LDAP_DEBUG_ARGS,
180 "bdb_modify_internal: %d %s\n",
186 case SLAP_MOD_SOFTADD:
188 LDAP_LOG ( OPERATION, DETAIL1,
189 "bdb_modify_internal: softadd\n",0,0,0 );
191 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: softadd\n", 0, 0, 0);
193 /* Avoid problems in index_add_mods()
194 * We need to add index if necessary.
196 mod->sm_op = LDAP_MOD_ADD;
198 err = modify_add_values( e, mod, get_permissiveModify(op),
199 text, textbuf, textlen );
201 mod->sm_op = SLAP_MOD_SOFTADD;
203 if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
207 if( err != LDAP_SUCCESS ) {
209 LDAP_LOG ( OPERATION, ERR,
210 "bdb_modify_internal: %d %s\n", err, *text, 0 );
212 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
220 LDAP_LOG ( OPERATION, ERR,
221 "bdb_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
223 Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
226 *text = "Invalid modify operation";
229 LDAP_LOG ( OPERATION, ERR,
230 "bdb_modify_internal: %d %s\n", err, *text, 0 );
232 Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
237 if ( err != LDAP_SUCCESS ) {
238 attrs_free( e->e_attrs );
239 e->e_attrs = save_attrs;
240 /* unlock entry, delete from cache */
244 /* If objectClass was modified, reset the flags */
245 if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
249 if ( glue_attr_delete ) {
253 /* check if modified attribute was indexed
254 * but not in case of NOOP... */
255 err = bdb_index_is_indexed( op->o_bd, mod->sm_desc );
256 if ( err == LDAP_SUCCESS && !op->o_noop ) {
257 ap = attr_find( save_attrs, mod->sm_desc );
258 if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
260 ap = attr_find( e->e_attrs, mod->sm_desc );
261 if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
265 /* check that the entry still obeys the schema */
266 rc = entry_schema_check( op->o_bd, e, save_attrs, text, textbuf, textlen );
267 if ( rc != LDAP_SUCCESS || op->o_noop ) {
268 attrs_free( e->e_attrs );
269 /* clear the indexing flags */
270 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
273 e->e_attrs = save_attrs;
275 if ( rc != LDAP_SUCCESS ) {
277 LDAP_LOG ( OPERATION, ERR, "bdb_modify_internal: "
278 "entry failed schema check %s\n",
281 Debug( LDAP_DEBUG_ANY,
282 "entry failed schema check: %s\n",
287 /* if NOOP then silently revert to saved attrs */
291 /* update the indices of the modified attributes */
293 /* start with deleting the old index entries */
294 for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
295 if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
296 rc = bdb_index_values( op, tid, ap->a_desc,
298 e->e_id, SLAP_INDEX_DELETE_OP );
299 if ( rc != LDAP_SUCCESS ) {
300 attrs_free( e->e_attrs );
301 e->e_attrs = save_attrs;
303 LDAP_LOG ( OPERATION, ERR,
304 "bdb_modify_internal: attribute index delete failure\n",
307 Debug( LDAP_DEBUG_ANY,
308 "Attribute index delete failure",
313 ap->a_flags &= ~SLAP_ATTR_IXDEL;
317 /* add the new index entries */
318 for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
319 if (ap->a_flags & SLAP_ATTR_IXADD) {
320 rc = bdb_index_values( op, tid, ap->a_desc,
322 e->e_id, SLAP_INDEX_ADD_OP );
323 if ( rc != LDAP_SUCCESS ) {
324 attrs_free( e->e_attrs );
325 e->e_attrs = save_attrs;
327 LDAP_LOG ( OPERATION, ERR,
328 "bdb_modify_internal: attribute index add failure\n",
331 Debug( LDAP_DEBUG_ANY,
332 "Attribute index add failure",
337 ap->a_flags &= ~SLAP_ATTR_IXADD;
346 bdb_modify( Operation *op, SlapReply *rs )
348 struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
350 EntryInfo *ei = NULL;
351 int manageDSAit = get_manageDSAit( op );
352 char textbuf[SLAP_TEXT_BUFLEN];
353 size_t textlen = sizeof textbuf;
354 DB_TXN *ltid = NULL, *lt2;
355 struct bdb_op_info opinfo;
358 u_int32_t locker = 0;
363 LDAPControl **preread_ctrl = NULL;
364 LDAPControl **postread_ctrl = NULL;
365 LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
369 struct psid_entry *pm_list, *pm_prev;
371 EntryInfo *suffix_ei;
373 int ctxcsn_added = 0;
376 LDAP_LOG ( OPERATION, ENTRY, "bdb_modify: %s\n",
377 op->o_req_dn.bv_val, 0, 0 );
379 Debug( LDAP_DEBUG_ARGS, "bdb_modify: %s\n",
380 op->o_req_dn.bv_val, 0, 0 );
383 ctrls[num_ctrls] = NULL;
386 retry: /* transaction retry */
387 if ( dummy.e_attrs ) {
388 attrs_free( dummy.e_attrs );
389 dummy.e_attrs = NULL;
392 bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
396 LDAP_LOG ( OPERATION, DETAIL1, "bdb_modify: retrying...\n", 0, 0, 0 );
398 Debug(LDAP_DEBUG_TRACE,
399 "bdb_modify: retrying...\n", 0, 0, 0);
402 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
403 while ( pm_list != NULL ) {
404 LDAP_LIST_REMOVE ( pm_list, ps_link );
406 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
410 rs->sr_err = TXN_ABORT( ltid );
412 op->o_private = NULL;
413 op->o_do_not_cache = opinfo.boi_acl_cache;
414 if( rs->sr_err != 0 ) {
415 rs->sr_err = LDAP_OTHER;
416 rs->sr_text = "internal error";
419 ldap_pvt_thread_yield();
420 bdb_trans_backoff( ++num_retries );
423 /* begin transaction */
424 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, <id,
425 bdb->bi_db_opflags );
427 if( rs->sr_err != 0 ) {
429 LDAP_LOG ( OPERATION, DETAIL1,
430 "bdb_modify: txn_begin failed: %s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
432 Debug( LDAP_DEBUG_TRACE,
433 "bdb_modify: txn_begin failed: %s (%d)\n",
434 db_strerror(rs->sr_err), rs->sr_err, 0 );
436 rs->sr_err = LDAP_OTHER;
437 rs->sr_text = "internal error";
441 locker = TXN_ID ( ltid );
443 opinfo.boi_bdb = op->o_bd;
444 opinfo.boi_txn = ltid;
445 opinfo.boi_locker = locker;
447 opinfo.boi_acl_cache = op->o_do_not_cache;
448 op->o_private = &opinfo;
450 /* get entry or ancestor */
451 rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
454 if ( rs->sr_err != 0 ) {
456 LDAP_LOG ( OPERATION, DETAIL1,
457 "bdb_modify: dn2entry failed: (%d)\n", rs->sr_err, 0, 0 );
459 Debug( LDAP_DEBUG_TRACE,
460 "bdb_modify: dn2entry failed (%d)\n",
463 switch( rs->sr_err ) {
464 case DB_LOCK_DEADLOCK:
465 case DB_LOCK_NOTGRANTED:
470 rs->sr_text = "ldap server busy";
473 rs->sr_err = LDAP_OTHER;
474 rs->sr_text = "internal error";
480 /* acquire and lock entry */
481 /* FIXME: dn2entry() should return non-glue entry */
482 if (( rs->sr_err == DB_NOTFOUND ) ||
483 ( !manageDSAit && e && is_entry_glue( e )))
486 rs->sr_matched = ch_strdup( e->e_dn );
487 rs->sr_ref = is_entry_referral( e )
488 ? get_entry_referrals( op, e )
490 bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
494 BerVarray deref = NULL;
495 if ( !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
497 LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
499 ber_dupbv( &tmpbv, &si->si_provideruri_bv[0] );
500 ber_bvarray_add( &deref, &tmpbv );
503 deref = default_referral;
505 rs->sr_ref = referral_rewrite( deref, NULL, &op->o_req_dn,
506 LDAP_SCOPE_DEFAULT );
509 rs->sr_err = LDAP_REFERRAL;
510 send_ldap_result( op, rs );
512 if ( rs->sr_ref != default_referral ) {
513 ber_bvarray_free( rs->sr_ref );
515 free( (char *)rs->sr_matched );
517 rs->sr_matched = NULL;
522 if ( !manageDSAit && is_entry_referral( e ) ) {
523 /* entry is a referral, don't allow modify */
524 rs->sr_ref = get_entry_referrals( op, e );
527 LDAP_LOG ( OPERATION, DETAIL1,
528 "bdb_modify: entry is referral\n",
531 Debug( LDAP_DEBUG_TRACE,
532 "bdb_modify: entry is referral\n",
536 rs->sr_err = LDAP_REFERRAL;
537 rs->sr_matched = e->e_name.bv_val;
538 send_ldap_result( op, rs );
540 ber_bvarray_free( rs->sr_ref );
542 rs->sr_matched = NULL;
546 if ( get_assert( op ) &&
547 ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
549 rs->sr_err = LDAP_ASSERTION_FAILED;
553 if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop && !op->o_no_psearch ) {
554 ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
555 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
556 rc = bdb_psearch(op, rs, ps_list, e, LDAP_PSEARCH_BY_PREMODIFY );
559 LDAP_LOG ( OPERATION, ERR,
560 "bdb_modify: persistent search failed (%d,%d)\n",
563 Debug( LDAP_DEBUG_TRACE,
564 "bdb_modify: persistent search failed (%d,%d)\n",
569 ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
572 if( op->o_preread ) {
573 if( preread_ctrl == NULL ) {
574 preread_ctrl = &ctrls[num_ctrls++];
575 ctrls[num_ctrls] = NULL;
577 if ( slap_read_controls( op, rs, e,
578 &slap_pre_read_bv, preread_ctrl ) )
581 LDAP_LOG ( OPERATION, DETAIL1,
582 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
584 Debug( LDAP_DEBUG_TRACE,
585 "<=- bdb_modify: pre-read failed!\n", 0, 0, 0 );
591 /* nested transaction */
592 rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, <2,
593 bdb->bi_db_opflags );
595 if( rs->sr_err != 0 ) {
597 LDAP_LOG ( OPERATION, ERR,
598 "bdb_modify: txn_begin(2) failed: %s (%d)\n",
599 db_strerror(rs->sr_err), rs->sr_err, 0 );
601 Debug( LDAP_DEBUG_TRACE,
602 "bdb_modify: txn_begin(2) failed: %s (%d)\n",
603 db_strerror(rs->sr_err), rs->sr_err, 0 );
605 rs->sr_err = LDAP_OTHER;
606 rs->sr_text = "internal error";
609 /* Modify the entry */
611 rs->sr_err = bdb_modify_internal( op, lt2, op->oq_modify.rs_modlist,
612 &dummy, &rs->sr_text, textbuf, textlen );
614 if( rs->sr_err != LDAP_SUCCESS ) {
616 LDAP_LOG ( OPERATION, ERR,
617 "bdb_modify: modify failed (%d)\n", rs->sr_err, 0, 0 );
619 Debug( LDAP_DEBUG_TRACE,
620 "bdb_modify: modify failed (%d)\n",
623 if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
624 rs->sr_err = opinfo.boi_err;
626 /* Only free attrs if they were dup'd. */
627 if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
628 switch( rs->sr_err ) {
629 case DB_LOCK_DEADLOCK:
630 case DB_LOCK_NOTGRANTED:
636 /* change the entry itself */
637 rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
638 if ( rs->sr_err != 0 ) {
640 LDAP_LOG ( OPERATION, ERR,
641 "bdb_modify: id2entry update failed (%d)\n", rs->sr_err, 0, 0 );
643 Debug( LDAP_DEBUG_TRACE,
644 "bdb_modify: id2entry update failed (%d)\n",
647 switch( rs->sr_err ) {
648 case DB_LOCK_DEADLOCK:
649 case DB_LOCK_NOTGRANTED:
652 rs->sr_text = "entry update failed";
656 if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
657 rs->sr_err = LDAP_OTHER;
658 rs->sr_text = "txn_commit(2) failed";
662 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
663 rc = bdb_csn_commit( op, rs, ltid, ei, &suffix_ei,
664 &ctxcsn_e, &ctxcsn_added, locker );
673 if( op->o_postread ) {
674 if( postread_ctrl == NULL ) {
675 postread_ctrl = &ctrls[num_ctrls++];
676 ctrls[num_ctrls] = NULL;
678 if( slap_read_controls( op, rs, &dummy,
679 &slap_post_read_bv, postread_ctrl ) )
682 LDAP_LOG ( OPERATION, DETAIL1,
683 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
685 Debug( LDAP_DEBUG_TRACE,
686 "<=- bdb_modify: post-read failed!\n", 0, 0, 0 );
693 if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
694 rs->sr_text = "txn_abort (no-op) failed";
696 rs->sr_err = LDAP_NO_OPERATION;
700 rc = bdb_cache_modify( e, dummy.e_attrs, bdb->bi_dbenv, locker, &lock );
702 case DB_LOCK_DEADLOCK:
703 case DB_LOCK_NOTGRANTED:
706 dummy.e_attrs = NULL;
708 if ( LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
709 if ( ctxcsn_added ) {
710 bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
711 (struct berval *)&slap_ldapsync_cn_bv, locker );
715 if ( rs->sr_err == LDAP_SUCCESS ) {
716 /* Loop through in-scope entries for each psearch spec */
717 ldap_pvt_thread_rdwr_wlock( &bdb->bi_pslist_rwlock );
718 LDAP_LIST_FOREACH ( ps_list, &bdb->bi_psearch_list, o_ps_link ) {
719 rc = bdb_psearch( op, rs, ps_list, e, LDAP_PSEARCH_BY_MODIFY );
722 LDAP_LOG ( OPERATION, ERR,
723 "bdb_modify: persistent search failed (%d,%d)\n",
726 Debug( LDAP_DEBUG_TRACE,
727 "bdb_modify: persistent search failed (%d,%d)\n",
732 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
733 while ( pm_list != NULL ) {
734 rc = bdb_psearch(op, rs, pm_list->ps_op,
735 e, LDAP_PSEARCH_BY_SCOPEOUT);
738 LDAP_LOG ( OPERATION, ERR,
739 "bdb_modify: persistent search failed (%d,%d)\n",
742 Debug( LDAP_DEBUG_TRACE,
743 "bdb_modify: persistent search failed (%d,%d)\n",
747 LDAP_LIST_REMOVE ( pm_list, ps_link );
749 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
752 ldap_pvt_thread_rdwr_wunlock( &bdb->bi_pslist_rwlock );
755 rs->sr_err = TXN_COMMIT( ltid, 0 );
758 op->o_private = NULL;
760 if( rs->sr_err != 0 ) {
762 LDAP_LOG ( OPERATION, ERR,
763 "bdb_modify: txn_%s failed %s (%d)\n",
764 op->o_noop ? "abort (no_op)" : "commit",
765 db_strerror(rs->sr_err), rs->sr_err );
767 Debug( LDAP_DEBUG_TRACE,
768 "bdb_modify: txn_%s failed: %s (%d)\n",
769 op->o_noop ? "abort (no-op)" : "commit",
770 db_strerror(rs->sr_err), rs->sr_err );
772 rs->sr_err = LDAP_OTHER;
773 rs->sr_text = "commit failed";
779 LDAP_LOG ( OPERATION, DETAIL1,
780 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
781 op->o_noop ? " (no_op)" : "", e->e_id, e->e_dn );
783 Debug( LDAP_DEBUG_TRACE,
784 "bdb_modify: updated%s id=%08lx dn=\"%s\"\n",
785 op->o_noop ? " (no-op)" : "",
789 rs->sr_err = LDAP_SUCCESS;
791 if( num_ctrls ) rs->sr_ctrls = ctrls;
794 if( dummy.e_attrs ) {
795 attrs_free( dummy.e_attrs );
797 send_ldap_result( op, rs );
799 if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp ) {
800 ldap_pvt_thread_yield();
801 TXN_CHECKPOINT( bdb->bi_dbenv,
802 bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
807 pm_list = LDAP_LIST_FIRST(&op->o_pm_list);
808 while ( pm_list != NULL ) {
809 LDAP_LIST_REMOVE ( pm_list, ps_link );
811 pm_list = LDAP_LIST_NEXT ( pm_list, ps_link );
815 op->o_private = NULL;
819 bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
822 if( preread_ctrl != NULL ) {
823 slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
824 slap_sl_free( *preread_ctrl, &op->o_tmpmemctx );
826 if( postread_ctrl != NULL ) {
827 slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
828 slap_sl_free( *postread_ctrl, &op->o_tmpmemctx );