1 /* refint.c - referential integrity module */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2004-2010 The OpenLDAP Foundation.
6 * Portions Copyright 2004 Symas Corporation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was initially developed by Symas Corp. for inclusion in
19 * OpenLDAP Software. This work was sponsored by Hewlett-Packard.
24 /* This module maintains referential integrity for a set of
25 * DN-valued attributes by searching for all references to a given
26 * DN whenever the DN is changed or its entry is deleted, and making
27 * the appropriate update.
29 * Updates are performed using the database rootdn in a separate task
30 * to allow the original operation to complete immediately.
33 #ifdef SLAPD_OVER_REFINT
37 #include <ac/string.h>
38 #include <ac/socket.h>
44 static slap_overinst refint;
46 /* The DN to use in the ModifiersName for all refint updates */
47 static BerValue refint_dn = BER_BVC("cn=Referential Integrity Overlay");
48 static BerValue refint_ndn = BER_BVC("cn=referential integrity overlay");
50 typedef struct refint_attrs_s {
51 struct refint_attrs_s *next;
52 AttributeDescription *attr;
61 typedef struct dependents_s {
62 struct dependents_s *next;
63 BerValue dn; /* target dn */
68 typedef struct refint_q {
69 struct refint_q *next;
70 struct refint_data_s *rdata;
71 dependent_data *attrs; /* entries and attrs returned from callback */
79 typedef struct refint_data_s {
80 struct refint_attrs_s *attrs; /* list of known attrs */
81 BerValue dn; /* basedn in parent, */
82 BerValue nothing; /* the nothing value, if needed */
83 BerValue nnothing; /* normalized nothingness */
84 BerValue refint_dn; /* modifier's name */
85 BerValue refint_ndn; /* normalized modifier's name */
89 ldap_pvt_thread_mutex_t qmutex;
92 #define RUNQ_INTERVAL 36000 /* a long time */
94 static MatchingRule *mr_dnSubtreeMatch;
102 static ConfigDriver refint_cf_gen;
104 static ConfigTable refintcfg[] = {
105 { "refint_attributes", "attribute...", 2, 0, 0,
106 ARG_MAGIC|REFINT_ATTRS, refint_cf_gen,
107 "( OLcfgOvAt:11.1 NAME 'olcRefintAttribute' "
108 "DESC 'Attributes for referential integrity' "
109 "EQUALITY caseIgnoreMatch "
110 "SYNTAX OMsDirectoryString )", NULL, NULL },
111 { "refint_nothing", "string", 2, 2, 0,
112 ARG_DN|ARG_MAGIC|REFINT_NOTHING, refint_cf_gen,
113 "( OLcfgOvAt:11.2 NAME 'olcRefintNothing' "
114 "DESC 'Replacement DN to supply when needed' "
115 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
116 { "refint_modifiersName", "DN", 2, 2, 0,
117 ARG_DN|ARG_MAGIC|REFINT_MODIFIERSNAME, refint_cf_gen,
118 "( OLcfgOvAt:11.3 NAME 'olcRefintModifiersName' "
119 "DESC 'The DN to use as modifiersName' "
120 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
121 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
124 static ConfigOCs refintocs[] = {
125 { "( OLcfgOvOc:11.1 "
126 "NAME 'olcRefintConfig' "
127 "DESC 'Referential integrity configuration' "
128 "SUP olcOverlayConfig "
129 "MAY ( olcRefintAttribute "
130 "$ olcRefintNothing "
131 "$ olcRefintModifiersName "
133 Cft_Overlay, refintcfg },
138 refint_cf_gen(ConfigArgs *c)
140 slap_overinst *on = (slap_overinst *)c->bi;
141 refint_data *dd = (refint_data *)on->on_bi.bi_private;
142 refint_attrs *ip, *pip, **pipp = NULL;
143 AttributeDescription *ad;
145 int rc = ARG_BAD_CONF;
149 case SLAP_CONFIG_EMIT:
154 value_add_one( &c->rvalue_vals,
155 &ip->attr->ad_cname );
161 if ( !BER_BVISEMPTY( &dd->nothing )) {
162 rc = value_add_one( &c->rvalue_vals,
165 rc = value_add_one( &c->rvalue_nvals,
171 case REFINT_MODIFIERSNAME:
172 if ( !BER_BVISEMPTY( &dd->refint_dn )) {
173 rc = value_add_one( &c->rvalue_vals,
176 rc = value_add_one( &c->rvalue_nvals,
186 case LDAP_MOD_DELETE:
199 /* delete from linked list */
200 for ( i=0; i < c->valx; ++i ) {
201 pipp = &(*pipp)->next;
204 *pipp = (*pipp)->next;
206 /* AttributeDescriptions are global so
207 * shouldn't be freed here... */
213 ch_free( dd->nothing.bv_val );
214 ch_free( dd->nnothing.bv_val );
215 BER_BVZERO( &dd->nothing );
216 BER_BVZERO( &dd->nnothing );
219 case REFINT_MODIFIERSNAME:
220 ch_free( dd->refint_dn.bv_val );
221 ch_free( dd->refint_ndn.bv_val );
222 BER_BVZERO( &dd->refint_dn );
223 BER_BVZERO( &dd->refint_ndn );
230 case SLAP_CONFIG_ADD:
231 /* fallthrough to LDAP_MOD_ADD */
236 for ( i=1; i < c->argc; ++i ) {
238 if ( slap_str2ad ( c->argv[i], &ad, &text )
241 sizeof ( refint_attrs ) );
243 ip->next = dd->attrs;
246 snprintf( c->cr_msg, sizeof( c->cr_msg ),
247 "%s <%s>: %s", c->argv[0], c->argv[i], text );
248 Debug ( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
249 "%s: %s\n", c->log, c->cr_msg, 0 );
255 if ( !BER_BVISNULL( &c->value_ndn )) {
256 ch_free ( dd->nothing.bv_val );
257 ch_free ( dd->nnothing.bv_val );
258 dd->nothing = c->value_dn;
259 dd->nnothing = c->value_ndn;
265 case REFINT_MODIFIERSNAME:
266 if ( !BER_BVISNULL( &c->value_ndn )) {
267 ch_free( dd->refint_dn.bv_val );
268 ch_free( dd->refint_ndn.bv_val );
269 dd->refint_dn = c->value_dn;
270 dd->refint_ndn = c->value_ndn;
288 ** allocate new refint_data;
289 ** store in on_bi.bi_private;
299 slap_overinst *on = (slap_overinst *)be->bd_info;
300 refint_data *id = ch_calloc(1,sizeof(refint_data));
302 on->on_bi.bi_private = id;
303 ldap_pvt_thread_mutex_init( &id->qmutex );
313 slap_overinst *on = (slap_overinst *)be->bd_info;
315 if ( on->on_bi.bi_private ) {
316 refint_data *id = on->on_bi.bi_private;
317 on->on_bi.bi_private = NULL;
318 ldap_pvt_thread_mutex_destroy( &id->qmutex );
325 ** initialize, copy basedn if not already set
335 slap_overinst *on = (slap_overinst *)be->bd_info;
336 refint_data *id = on->on_bi.bi_private;
338 if ( BER_BVISNULL( &id->dn )) {
339 if ( BER_BVISNULL( &be->be_nsuffix[0] ))
341 ber_dupbv( &id->dn, &be->be_nsuffix[0] );
343 if ( BER_BVISNULL( &id->refint_dn ) ) {
344 ber_dupbv( &id->refint_dn, &refint_dn );
345 ber_dupbv( &id->refint_ndn, &refint_ndn );
352 ** foreach configured attribute:
355 ** reset on_bi.bi_private;
356 ** free our config data;
366 slap_overinst *on = (slap_overinst *) be->bd_info;
367 refint_data *id = on->on_bi.bi_private;
368 refint_attrs *ii, *ij;
370 for(ii = id->attrs; ii; ii = ij) {
376 ch_free( id->dn.bv_val );
377 BER_BVZERO( &id->dn );
378 ch_free( id->nothing.bv_val );
379 BER_BVZERO( &id->nothing );
380 ch_free( id->nnothing.bv_val );
381 BER_BVZERO( &id->nnothing );
382 ch_free( id->refint_dn.bv_val );
383 BER_BVZERO( &id->refint_dn );
384 ch_free( id->refint_ndn.bv_val );
385 BER_BVZERO( &id->refint_ndn );
392 ** generates a list of Attributes from search results
403 refint_q *rq = op->o_callback->sc_private;
404 refint_data *dd = rq->rdata;
405 refint_attrs *ia, *da = dd->attrs, *na;
409 Debug(LDAP_DEBUG_TRACE, "refint_search_cb <%s>\n",
410 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "NOTHING", 0, 0);
412 if (rs->sr_type != REP_SEARCH || !rs->sr_entry) return(0);
415 ** foreach configured attribute type:
416 ** if this attr exists in the search result,
417 ** and it has a value matching the target:
419 ** save/build DNs of any subordinate matches;
420 ** handle special case: found exact + subordinate match;
421 ** handle olcRefintNothing;
425 ip = op->o_tmpalloc(sizeof(dependent_data), op->o_tmpmemctx );
426 ber_dupbv_x( &ip->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
427 ber_dupbv_x( &ip->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
428 ip->next = rq->attrs;
431 for(ia = da; ia; ia = ia->next) {
432 if ( (a = attr_find(rs->sr_entry->e_attrs, ia->attr) ) ) {
433 int exact = -1, is_exact;
437 for(i = 0, b = a->a_nvals; b[i].bv_val; i++) {
438 if(dnIsSuffix(&b[i], &rq->oldndn)) {
439 is_exact = b[i].bv_len == rq->oldndn.bv_len;
441 /* Paranoia: skip buggy duplicate exact match,
442 * it would break ra_numvals
444 if ( is_exact && exact >= 0 )
447 /* first match? create structure */
449 na = op->o_tmpcalloc( 1,
450 sizeof( refint_attrs ),
452 na->next = ip->attrs;
460 /* Exact match: refint_repair will deduce the DNs */
464 /* Subordinate match */
465 struct berval newsub, newdn, olddn, oldndn;
468 ber_dupbv_x( &olddn, &a->a_vals[i], op->o_tmpmemctx );
469 ber_bvarray_add_x( &na->old_vals, &olddn, op->o_tmpmemctx );
471 ber_dupbv_x( &oldndn, &a->a_nvals[i], op->o_tmpmemctx );
472 ber_bvarray_add_x( &na->old_nvals, &oldndn, op->o_tmpmemctx );
474 if ( BER_BVISEMPTY( &rq->newdn ) )
477 /* Rename subordinate match: Build new DN */
478 newsub = a->a_vals[i];
479 newsub.bv_len -= rq->olddn.bv_len + 1;
480 build_new_dn( &newdn, &rq->newdn, &newsub, op->o_tmpmemctx );
481 ber_bvarray_add_x( &na->new_vals, &newdn, op->o_tmpmemctx );
483 newsub = a->a_nvals[i];
484 newsub.bv_len -= rq->oldndn.bv_len + 1;
485 build_new_dn( &newdn, &rq->newndn, &newsub, op->o_tmpmemctx );
486 ber_bvarray_add_x( &na->new_nvals, &newdn, op->o_tmpmemctx );
491 /* If we got both subordinate and exact match,
492 * refint_repair won't special-case the exact match */
493 if ( exact >= 0 && na->old_vals ) {
496 ber_dupbv_x( &dn, &a->a_vals[exact], op->o_tmpmemctx );
497 ber_bvarray_add_x( &na->old_vals, &dn, op->o_tmpmemctx );
498 ber_dupbv_x( &dn, &a->a_nvals[exact], op->o_tmpmemctx );
499 ber_bvarray_add_x( &na->old_nvals, &dn, op->o_tmpmemctx );
501 if ( !BER_BVISEMPTY( &rq->newdn ) ) {
502 ber_dupbv_x( &dn, &rq->newdn, op->o_tmpmemctx );
503 ber_bvarray_add_x( &na->new_vals, &dn, op->o_tmpmemctx );
504 ber_dupbv_x( &dn, &rq->newndn, op->o_tmpmemctx );
505 ber_bvarray_add_x( &na->new_nvals, &dn, op->o_tmpmemctx );
509 /* Deleting/replacing all values and a nothing DN is configured? */
510 if ( na && na->ra_numvals == i && !BER_BVISNULL(&dd->nothing) )
513 Debug( LDAP_DEBUG_TRACE, "refint_search_cb: %s: %s (#%d)\n",
514 a->a_desc->ad_cname.bv_val, rq->olddn.bv_val, i );
531 op->o_callback->sc_response = refint_search_cb;
532 op->o_req_dn = op->o_bd->be_suffix[ 0 ];
533 op->o_req_ndn = op->o_bd->be_nsuffix[ 0 ];
534 op->o_dn = op->o_bd->be_rootdn;
535 op->o_ndn = op->o_bd->be_rootndn;
538 rc = op->o_bd->be_search( op, rs );
540 if ( rc != LDAP_SUCCESS ) {
541 Debug( LDAP_DEBUG_TRACE,
542 "refint_repair: search failed: %d\n",
547 /* safety? paranoid just in case */
548 if ( op->o_callback->sc_private == NULL ) {
549 Debug( LDAP_DEBUG_TRACE,
550 "refint_repair: callback wiped out sc_private?!\n",
555 /* Set up the Modify requests */
556 op->o_callback->sc_response = &slap_null_cb;
559 * [our search callback builds a list of attrs]
561 * make sure its dn has a backend;
562 * build Modification* chain;
563 * call the backend modify function;
567 for ( dp = rq->attrs; dp; dp = dp->next ) {
569 SlapReply rs2 = {REP_RESULT};
573 if ( dp->attrs == NULL ) continue; /* TODO: Is this needed? */
575 op2.o_tag = LDAP_REQ_MODIFY;
576 op2.orm_modlist = NULL;
577 op2.o_req_dn = dp->dn;
578 op2.o_req_ndn = dp->ndn;
579 op2.o_bd = select_backend( &dp->ndn, 1 );
581 Debug( LDAP_DEBUG_TRACE,
582 "refint_repair: no backend for DN %s!\n",
583 dp->dn.bv_val, 0, 0 );
587 /* Set our ModifiersName */
588 if ( SLAP_LASTMOD( op->o_bd ) ) {
589 m = op2.o_tmpalloc( sizeof(Modifications) +
590 4*sizeof(BerValue), op2.o_tmpmemctx );
591 m->sml_next = op2.orm_modlist;
593 m->sml_op = LDAP_MOD_REPLACE;
594 m->sml_flags = SLAP_MOD_INTERNAL;
595 m->sml_desc = slap_schema.si_ad_modifiersName;
596 m->sml_type = m->sml_desc->ad_cname;
598 m->sml_values = (BerVarray)(m+1);
599 m->sml_nvalues = m->sml_values+2;
600 BER_BVZERO( &m->sml_values[1] );
601 BER_BVZERO( &m->sml_nvalues[1] );
602 m->sml_values[0] = id->refint_dn;
603 m->sml_nvalues[0] = id->refint_ndn;
606 for ( ra = dp->attrs; ra; ra = ra->next ) {
610 if ( ra->dont_empty || !BER_BVISEMPTY( &rq->newdn ) ) {
611 len = sizeof(Modifications);
613 if ( ra->new_vals == NULL ) {
614 len += 4*sizeof(BerValue);
617 m = op2.o_tmpalloc( len, op2.o_tmpmemctx );
618 m->sml_next = op2.orm_modlist;
620 m->sml_op = LDAP_MOD_ADD;
622 m->sml_desc = ra->attr;
623 m->sml_type = ra->attr->ad_cname;
624 if ( ra->new_vals == NULL ) {
625 m->sml_values = (BerVarray)(m+1);
626 m->sml_nvalues = m->sml_values+2;
627 BER_BVZERO( &m->sml_values[1] );
628 BER_BVZERO( &m->sml_nvalues[1] );
630 if ( BER_BVISEMPTY( &rq->newdn ) ) {
631 m->sml_values[0] = id->nothing;
632 m->sml_nvalues[0] = id->nnothing;
634 m->sml_values[0] = rq->newdn;
635 m->sml_nvalues[0] = rq->newndn;
638 m->sml_values = ra->new_vals;
639 m->sml_nvalues = ra->new_nvals;
640 m->sml_numvals = ra->ra_numvals;
645 len = sizeof(Modifications);
646 if ( ra->old_vals == NULL ) {
647 len += 4*sizeof(BerValue);
649 m = op2.o_tmpalloc( len, op2.o_tmpmemctx );
650 m->sml_next = op2.orm_modlist;
652 m->sml_op = LDAP_MOD_DELETE;
654 m->sml_desc = ra->attr;
655 m->sml_type = ra->attr->ad_cname;
656 if ( ra->old_vals == NULL ) {
658 m->sml_values = (BerVarray)(m+1);
659 m->sml_nvalues = m->sml_values+2;
660 m->sml_values[0] = rq->olddn;
661 m->sml_nvalues[0] = rq->oldndn;
662 BER_BVZERO( &m->sml_values[1] );
663 BER_BVZERO( &m->sml_nvalues[1] );
665 m->sml_values = ra->old_vals;
666 m->sml_nvalues = ra->old_nvals;
667 m->sml_numvals = ra->ra_numvals;
671 op2.o_dn = op2.o_bd->be_rootdn;
672 op2.o_ndn = op2.o_bd->be_rootndn;
673 slap_op_time( &op2.o_time, &op2.o_tincr );
674 if ( ( rc = op2.o_bd->be_modify( &op2, &rs2 ) ) != LDAP_SUCCESS ) {
675 Debug( LDAP_DEBUG_TRACE,
676 "refint_repair: dependent modify failed: %d\n",
680 while ( ( m = op2.orm_modlist ) ) {
681 op2.orm_modlist = m->sml_next;
682 op2.o_tmpfree( m, op2.o_tmpmemctx );
690 refint_qtask( void *ctx, void *arg )
692 struct re_s *rtask = arg;
693 refint_data *id = rtask->arg;
694 Connection conn = {0};
695 OperationBuffer opbuf;
697 SlapReply rs = {REP_RESULT};
698 slap_callback cb = { NULL, NULL, NULL, NULL };
703 connection_fake_init( &conn, &opbuf, ctx );
707 ** build a search filter for all configured attributes;
708 ** populate our Operation;
709 ** pass our data (attr list, dn) to backend via sc_private;
710 ** call the backend search function;
711 ** nb: (|(one=thing)) is valid, but do smart formatting anyway;
712 ** nb: 16 is arbitrarily a dozen or so extra bytes;
716 ftop.f_choice = LDAP_FILTER_OR;
719 op->ors_filter = &ftop;
720 for(ip = id->attrs; ip; ip = ip->next) {
721 fptr = op->o_tmpcalloc( sizeof(Filter) + sizeof(MatchingRuleAssertion),
722 1, op->o_tmpmemctx );
723 /* Use (attr:dnSubtreeMatch:=value) to catch subtree rename
724 * and subtree delete where supported */
725 fptr->f_choice = LDAP_FILTER_EXT;
726 fptr->f_mra = (MatchingRuleAssertion *)(fptr+1);
727 fptr->f_mr_rule = mr_dnSubtreeMatch;
728 fptr->f_mr_rule_text = mr_dnSubtreeMatch->smr_bvoid;
729 fptr->f_mr_desc = ip->attr;
730 fptr->f_mr_dnattrs = 0;
731 fptr->f_next = ftop.f_or;
736 dependent_data *dp, *dp_next;
737 refint_attrs *ra, *ra_next;
740 ldap_pvt_thread_mutex_lock( &id->qmutex );
743 id->qhead = rq->next;
747 ldap_pvt_thread_mutex_unlock( &id->qmutex );
751 for (fptr = ftop.f_or; fptr; fptr = fptr->f_next )
752 fptr->f_mr_value = rq->oldndn;
754 filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
756 /* callback gets the searched dn instead */
758 cb.sc_response = refint_search_cb;
759 op->o_callback = &cb;
760 op->o_tag = LDAP_REQ_SEARCH;
761 op->ors_scope = LDAP_SCOPE_SUBTREE;
762 op->ors_deref = LDAP_DEREF_NEVER;
763 op->ors_limit = NULL;
764 op->ors_slimit = SLAP_NO_LIMIT;
765 op->ors_tlimit = SLAP_NO_LIMIT;
768 op->ors_attrs = slap_anlist_no_attrs;
770 slap_op_time( &op->o_time, &op->o_tincr );
772 if ( rq->db != NULL ) {
774 refint_repair( op, &rs, id, rq );
779 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
780 /* we may want to skip cn=config */
781 if ( be == LDAP_STAILQ_FIRST(&backendDB) ) {
785 if ( be->be_search && be->be_modify ) {
787 refint_repair( op, &rs, id, rq );
792 for ( dp = rq->attrs; dp; dp = dp_next ) {
794 for ( ra = dp->attrs; ra; ra = ra_next ) {
796 ber_bvarray_free_x( ra->new_nvals, op->o_tmpmemctx );
797 ber_bvarray_free_x( ra->new_vals, op->o_tmpmemctx );
798 ber_bvarray_free_x( ra->old_nvals, op->o_tmpmemctx );
799 ber_bvarray_free_x( ra->old_vals, op->o_tmpmemctx );
800 op->o_tmpfree( ra, op->o_tmpmemctx );
802 op->o_tmpfree( dp->ndn.bv_val, op->o_tmpmemctx );
803 op->o_tmpfree( dp->dn.bv_val, op->o_tmpmemctx );
804 op->o_tmpfree( dp, op->o_tmpmemctx );
806 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
808 if ( !BER_BVISNULL( &rq->newndn )) {
809 ch_free( rq->newndn.bv_val );
810 ch_free( rq->newdn.bv_val );
812 ch_free( rq->oldndn.bv_val );
813 ch_free( rq->olddn.bv_val );
818 for ( fptr = ftop.f_or; fptr; ) {
819 Filter *f_next = fptr->f_next;
820 op->o_tmpfree( fptr, op->o_tmpmemctx );
824 /* wait until we get explicitly scheduled again */
825 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
826 ldap_pvt_runqueue_stoptask( &slapd_rq, id->qtask );
827 ldap_pvt_runqueue_resched( &slapd_rq,id->qtask, 1 );
828 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
835 ** search for matching records and modify them
844 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
845 refint_data *id = on->on_bi.bi_private;
849 BackendDB *db = NULL;
852 /* If the main op failed or is not a Delete or ModRdn, ignore it */
853 if (( op->o_tag != LDAP_REQ_DELETE && op->o_tag != LDAP_REQ_MODRDN ) ||
854 rs->sr_err != LDAP_SUCCESS )
855 return SLAP_CB_CONTINUE;
858 ** validate (and count) the list of attrs;
862 for(ip = id->attrs, ac = 0; ip; ip = ip->next, ac++);
864 Debug( LDAP_DEBUG_TRACE,
865 "refint_response called without any attributes\n", 0, 0, 0 );
866 return SLAP_CB_CONTINUE;
870 ** find the backend that matches our configured basedn;
871 ** make sure it exists and has search and modify methods;
875 if ( on->on_info->oi_origdb != frontendDB ) {
876 db = select_backend(&id->dn, 1);
879 if ( !db->be_search || !db->be_modify ) {
880 Debug( LDAP_DEBUG_TRACE,
881 "refint_response: backend missing search and/or modify\n",
883 return SLAP_CB_CONTINUE;
886 Debug( LDAP_DEBUG_TRACE,
887 "refint_response: no backend for our baseDN %s??\n",
888 id->dn.bv_val, 0, 0 );
889 return SLAP_CB_CONTINUE;
893 rq = ch_calloc( 1, sizeof( refint_q ));
894 ber_dupbv( &rq->olddn, &op->o_req_dn );
895 ber_dupbv( &rq->oldndn, &op->o_req_ndn );
899 if ( op->o_tag == LDAP_REQ_MODRDN ) {
900 if ( op->oq_modrdn.rs_newSup ) {
901 pdn = *op->oq_modrdn.rs_newSup;
903 dnParent( &op->o_req_dn, &pdn );
905 build_new_dn( &rq->newdn, &pdn, &op->orr_newrdn, NULL );
906 if ( op->oq_modrdn.rs_nnewSup ) {
907 pdn = *op->oq_modrdn.rs_nnewSup;
909 dnParent( &op->o_req_ndn, &pdn );
911 build_new_dn( &rq->newndn, &pdn, &op->orr_nnewrdn, NULL );
914 ldap_pvt_thread_mutex_lock( &id->qmutex );
916 id->qtail->next = rq;
921 ldap_pvt_thread_mutex_unlock( &id->qmutex );
924 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
926 id->qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL,
927 refint_qtask, id, "refint_qtask",
928 op->o_bd->be_suffix[0].bv_val );
931 if ( !ldap_pvt_runqueue_isrunning( &slapd_rq, id->qtask ) &&
932 !id->qtask->next_sched.tv_sec ) {
933 id->qtask->interval.tv_sec = 0;
934 ldap_pvt_runqueue_resched( &slapd_rq, id->qtask, 0 );
935 id->qtask->interval.tv_sec = RUNQ_INTERVAL;
939 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
941 slap_wake_listener();
943 return SLAP_CB_CONTINUE;
947 ** init_module is last so the symbols resolve "for free" --
948 ** it expects to be called automagically during dynamic module initialization
951 int refint_initialize() {
954 mr_dnSubtreeMatch = mr_find( "dnSubtreeMatch" );
955 if ( mr_dnSubtreeMatch == NULL ) {
956 Debug( LDAP_DEBUG_ANY, "refint_initialize: "
957 "unable to find MatchingRule 'dnSubtreeMatch'.\n",
962 /* statically declared just after the #includes at top */
963 refint.on_bi.bi_type = "refint";
964 refint.on_bi.bi_db_init = refint_db_init;
965 refint.on_bi.bi_db_destroy = refint_db_destroy;
966 refint.on_bi.bi_db_open = refint_open;
967 refint.on_bi.bi_db_close = refint_close;
968 refint.on_response = refint_response;
970 refint.on_bi.bi_cf_ocs = refintocs;
971 rc = config_register_schema ( refintcfg, refintocs );
974 return(overlay_register(&refint));
977 #if SLAPD_OVER_REFINT == SLAPD_MOD_DYNAMIC && defined(PIC)
978 int init_module(int argc, char *argv[]) {
979 return refint_initialize();
983 #endif /* SLAPD_OVER_REFINT */