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 ** handle olcRefintNothing;
423 ip = op->o_tmpalloc(sizeof(dependent_data), op->o_tmpmemctx );
424 ber_dupbv_x( &ip->dn, &rs->sr_entry->e_name, op->o_tmpmemctx );
425 ber_dupbv_x( &ip->ndn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
426 ip->next = rq->attrs;
429 for(ia = da; ia; ia = ia->next) {
430 if ( (a = attr_find(rs->sr_entry->e_attrs, ia->attr) ) ) {
431 int first = -1, count = 0, deleted = 0;
435 for(i = 0, b = a->a_nvals; b[i].bv_val; i++) {
436 if(dnIsSuffix(&b[i], &rq->oldndn)) {
437 /* first match? create structure */
439 na = op->o_tmpcalloc( 1,
440 sizeof( refint_attrs ),
442 na->next = ip->attrs;
446 /* delete, or exact match? note it's first match */
447 if ( BER_BVISEMPTY( &rq->newdn ) &&
448 b[i].bv_len == rq->oldndn.bv_len )
454 /* if it's a rename, or a subordinate match,
455 * save old and build new dn */
456 if ( !BER_BVISEMPTY( &rq->newdn ) &&
457 b[i].bv_len != rq->oldndn.bv_len )
459 struct berval newsub, newdn, olddn, oldndn;
461 /* if not first, save first as well */
464 ber_dupbv_x( &olddn, &a->a_vals[first], op->o_tmpmemctx );
465 ber_bvarray_add_x( &na->old_vals, &olddn, op->o_tmpmemctx );
466 ber_dupbv_x( &oldndn, &a->a_nvals[first], op->o_tmpmemctx );
467 ber_bvarray_add_x( &na->old_nvals, &oldndn, op->o_tmpmemctx );
470 newsub = a->a_vals[first];
471 newsub.bv_len -= rq->olddn.bv_len + 1;
473 build_new_dn( &newdn, &rq->newdn, &newsub, op->o_tmpmemctx );
475 ber_bvarray_add_x( &na->new_vals, &newdn, op->o_tmpmemctx );
477 newsub = a->a_nvals[first];
478 newsub.bv_len -= rq->oldndn.bv_len + 1;
480 build_new_dn( &newdn, &rq->newndn, &newsub, op->o_tmpmemctx );
482 ber_bvarray_add_x( &na->new_nvals, &newdn, op->o_tmpmemctx );
487 ber_dupbv_x( &olddn, &a->a_vals[i], op->o_tmpmemctx );
488 ber_bvarray_add_x( &na->old_vals, &olddn, op->o_tmpmemctx );
489 ber_dupbv_x( &oldndn, &a->a_nvals[i], op->o_tmpmemctx );
490 ber_bvarray_add_x( &na->old_nvals, &oldndn, op->o_tmpmemctx );
493 newsub = a->a_vals[i];
494 newsub.bv_len -= rq->olddn.bv_len + 1;
496 build_new_dn( &newdn, &rq->newdn, &newsub, op->o_tmpmemctx );
498 ber_bvarray_add_x( &na->new_vals, &newdn, op->o_tmpmemctx );
500 newsub = a->a_nvals[i];
501 newsub.bv_len -= rq->oldndn.bv_len + 1;
503 build_new_dn( &newdn, &rq->newndn, &newsub, op->o_tmpmemctx );
505 ber_bvarray_add_x( &na->new_nvals, &newdn, op->o_tmpmemctx );
509 if ( BER_BVISEMPTY( &rq->newdn ) ) {
515 /* Deleting/replacing all values and a nothing DN is configured? */
516 if ( deleted == i && na && !BER_BVISNULL(&dd->nothing) )
519 Debug( LDAP_DEBUG_TRACE, "refint_search_cb: %s: %s (#%d)\n",
520 a->a_desc->ad_cname.bv_val, rq->olddn.bv_val, i );
537 op->o_callback->sc_response = refint_search_cb;
538 op->o_req_dn = op->o_bd->be_suffix[ 0 ];
539 op->o_req_ndn = op->o_bd->be_nsuffix[ 0 ];
540 op->o_dn = op->o_bd->be_rootdn;
541 op->o_ndn = op->o_bd->be_rootndn;
544 rc = op->o_bd->be_search( op, rs );
546 if ( rc != LDAP_SUCCESS ) {
547 Debug( LDAP_DEBUG_TRACE,
548 "refint_repair: search failed: %d\n",
553 /* safety? paranoid just in case */
554 if ( op->o_callback->sc_private == NULL ) {
555 Debug( LDAP_DEBUG_TRACE,
556 "refint_repair: callback wiped out sc_private?!\n",
561 /* Set up the Modify requests */
562 op->o_callback->sc_response = &slap_null_cb;
565 * [our search callback builds a list of attrs]
567 * make sure its dn has a backend;
568 * build Modification* chain;
569 * call the backend modify function;
573 for ( dp = rq->attrs; dp; dp = dp->next ) {
575 SlapReply rs2 = { 0 };
579 op2.o_tag = LDAP_REQ_MODIFY;
580 op2.orm_modlist = NULL;
581 op2.o_req_dn = dp->dn;
582 op2.o_req_ndn = dp->ndn;
583 op2.o_bd = select_backend( &dp->ndn, 1 );
585 Debug( LDAP_DEBUG_TRACE,
586 "refint_repair: no backend for DN %s!\n",
587 dp->dn.bv_val, 0, 0 );
591 rs2.sr_type = REP_RESULT;
592 for ( ra = dp->attrs; ra; ra = ra->next ) {
595 /* Set our ModifiersName */
596 if ( SLAP_LASTMOD( op->o_bd ) ) {
597 m = op2.o_tmpalloc( sizeof(Modifications) +
598 4*sizeof(BerValue), op2.o_tmpmemctx );
599 m->sml_next = op2.orm_modlist;
601 m->sml_op = LDAP_MOD_REPLACE;
602 m->sml_flags = SLAP_MOD_INTERNAL;
603 m->sml_desc = slap_schema.si_ad_modifiersName;
604 m->sml_type = m->sml_desc->ad_cname;
606 m->sml_values = (BerVarray)(m+1);
607 m->sml_nvalues = m->sml_values+2;
608 BER_BVZERO( &m->sml_values[1] );
609 BER_BVZERO( &m->sml_nvalues[1] );
610 m->sml_values[0] = id->refint_dn;
611 m->sml_nvalues[0] = id->refint_ndn;
615 if ( ra->dont_empty || !BER_BVISEMPTY( &rq->newdn ) ) {
616 len = sizeof(Modifications);
618 if ( ra->new_vals == NULL ) {
619 len += 4*sizeof(BerValue);
622 m = op2.o_tmpalloc( len, op2.o_tmpmemctx );
623 m->sml_next = op2.orm_modlist;
625 m->sml_op = LDAP_MOD_ADD;
627 m->sml_desc = ra->attr;
628 m->sml_type = ra->attr->ad_cname;
629 if ( ra->new_vals == NULL ) {
630 m->sml_values = (BerVarray)(m+1);
631 m->sml_nvalues = m->sml_values+2;
632 BER_BVZERO( &m->sml_values[1] );
633 BER_BVZERO( &m->sml_nvalues[1] );
635 if ( BER_BVISEMPTY( &rq->newdn ) ) {
636 m->sml_values[0] = id->nothing;
637 m->sml_nvalues[0] = id->nnothing;
639 m->sml_values[0] = rq->newdn;
640 m->sml_nvalues[0] = rq->newndn;
643 m->sml_values = ra->new_vals;
644 m->sml_nvalues = ra->new_nvals;
645 m->sml_numvals = ra->ra_numvals;
650 len = sizeof(Modifications);
651 if ( ra->old_vals == NULL ) {
652 len += 4*sizeof(BerValue);
654 m = op2.o_tmpalloc( len, op2.o_tmpmemctx );
655 m->sml_next = op2.orm_modlist;
657 m->sml_op = LDAP_MOD_DELETE;
659 m->sml_desc = ra->attr;
660 m->sml_type = ra->attr->ad_cname;
661 if ( ra->old_vals == NULL ) {
663 m->sml_values = (BerVarray)(m+1);
664 m->sml_nvalues = m->sml_values+2;
665 m->sml_values[0] = rq->olddn;
666 m->sml_nvalues[0] = rq->oldndn;
667 BER_BVZERO( &m->sml_values[1] );
668 BER_BVZERO( &m->sml_nvalues[1] );
670 m->sml_values = ra->old_vals;
671 m->sml_nvalues = ra->old_nvals;
672 m->sml_numvals = ra->ra_numvals;
676 op2.o_dn = op2.o_bd->be_rootdn;
677 op2.o_ndn = op2.o_bd->be_rootndn;
678 slap_op_time( &op2.o_time, &op2.o_tincr );
679 if ( ( rc = op2.o_bd->be_modify( &op2, &rs2 ) ) != LDAP_SUCCESS ) {
680 Debug( LDAP_DEBUG_TRACE,
681 "refint_repair: dependent modify failed: %d\n",
685 while ( ( m = op2.orm_modlist ) ) {
686 op2.orm_modlist = m->sml_next;
687 op2.o_tmpfree( m, op2.o_tmpmemctx );
695 refint_qtask( void *ctx, void *arg )
697 struct re_s *rtask = arg;
698 refint_data *id = rtask->arg;
699 Connection conn = {0};
700 OperationBuffer opbuf;
702 SlapReply rs = {REP_RESULT};
703 slap_callback cb = { NULL, NULL, NULL, NULL };
708 connection_fake_init( &conn, &opbuf, ctx );
712 ** build a search filter for all configured attributes;
713 ** populate our Operation;
714 ** pass our data (attr list, dn) to backend via sc_private;
715 ** call the backend search function;
716 ** nb: (|(one=thing)) is valid, but do smart formatting anyway;
717 ** nb: 16 is arbitrarily a dozen or so extra bytes;
721 ftop.f_choice = LDAP_FILTER_OR;
724 op->ors_filter = &ftop;
725 for(ip = id->attrs; ip; ip = ip->next) {
726 fptr = op->o_tmpcalloc( sizeof(Filter) + sizeof(MatchingRuleAssertion),
727 1, op->o_tmpmemctx );
728 /* Use (attr:dnSubtreeMatch:=value) to catch subtree rename
729 * and subtree delete where supported */
730 fptr->f_choice = LDAP_FILTER_EXT;
731 fptr->f_mra = (MatchingRuleAssertion *)(fptr+1);
732 fptr->f_mr_rule = mr_dnSubtreeMatch;
733 fptr->f_mr_rule_text = mr_dnSubtreeMatch->smr_bvoid;
734 fptr->f_mr_desc = ip->attr;
735 fptr->f_mr_dnattrs = 0;
736 fptr->f_next = ftop.f_or;
741 dependent_data *dp, *dp_next;
742 refint_attrs *ra, *ra_next;
745 ldap_pvt_thread_mutex_lock( &id->qmutex );
748 id->qhead = rq->next;
752 ldap_pvt_thread_mutex_unlock( &id->qmutex );
756 for (fptr = ftop.f_or; fptr; fptr = fptr->f_next )
757 fptr->f_mr_value = rq->oldndn;
759 filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
761 /* callback gets the searched dn instead */
763 cb.sc_response = refint_search_cb;
764 op->o_callback = &cb;
765 op->o_tag = LDAP_REQ_SEARCH;
766 op->ors_scope = LDAP_SCOPE_SUBTREE;
767 op->ors_deref = LDAP_DEREF_NEVER;
768 op->ors_limit = NULL;
769 op->ors_slimit = SLAP_NO_LIMIT;
770 op->ors_tlimit = SLAP_NO_LIMIT;
773 op->ors_attrs = slap_anlist_no_attrs;
775 slap_op_time( &op->o_time, &op->o_tincr );
777 if ( rq->db != NULL ) {
779 refint_repair( op, &rs, id, rq );
784 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
785 /* we may want to skip cn=config */
786 if ( be == LDAP_STAILQ_FIRST(&backendDB) ) {
790 if ( be->be_search && be->be_modify ) {
792 refint_repair( op, &rs, id, rq );
797 for ( dp = rq->attrs; dp; dp = dp_next ) {
799 for ( ra = dp->attrs; ra; ra = ra_next ) {
801 ber_bvarray_free_x( ra->new_nvals, op->o_tmpmemctx );
802 ber_bvarray_free_x( ra->new_vals, op->o_tmpmemctx );
803 ber_bvarray_free_x( ra->old_nvals, op->o_tmpmemctx );
804 ber_bvarray_free_x( ra->old_vals, op->o_tmpmemctx );
805 op->o_tmpfree( ra, op->o_tmpmemctx );
807 op->o_tmpfree( dp->ndn.bv_val, op->o_tmpmemctx );
808 op->o_tmpfree( dp->dn.bv_val, op->o_tmpmemctx );
809 op->o_tmpfree( dp, op->o_tmpmemctx );
811 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
813 if ( !BER_BVISNULL( &rq->newndn )) {
814 ch_free( rq->newndn.bv_val );
815 ch_free( rq->newdn.bv_val );
817 ch_free( rq->oldndn.bv_val );
818 ch_free( rq->olddn.bv_val );
823 for ( fptr = ftop.f_or; fptr; ) {
824 Filter *f_next = fptr->f_next;
825 op->o_tmpfree( fptr, op->o_tmpmemctx );
829 /* wait until we get explicitly scheduled again */
830 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
831 ldap_pvt_runqueue_stoptask( &slapd_rq, id->qtask );
832 ldap_pvt_runqueue_resched( &slapd_rq,id->qtask, 1 );
833 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
840 ** search for matching records and modify them
849 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
850 refint_data *id = on->on_bi.bi_private;
854 BackendDB *db = NULL;
857 /* If the main op failed or is not a Delete or ModRdn, ignore it */
858 if (( op->o_tag != LDAP_REQ_DELETE && op->o_tag != LDAP_REQ_MODRDN ) ||
859 rs->sr_err != LDAP_SUCCESS )
860 return SLAP_CB_CONTINUE;
863 ** validate (and count) the list of attrs;
867 for(ip = id->attrs, ac = 0; ip; ip = ip->next, ac++);
869 Debug( LDAP_DEBUG_TRACE,
870 "refint_response called without any attributes\n", 0, 0, 0 );
871 return SLAP_CB_CONTINUE;
875 ** find the backend that matches our configured basedn;
876 ** make sure it exists and has search and modify methods;
880 if ( on->on_info->oi_origdb != frontendDB ) {
881 db = select_backend(&id->dn, 1);
884 if ( !db->be_search || !db->be_modify ) {
885 Debug( LDAP_DEBUG_TRACE,
886 "refint_response: backend missing search and/or modify\n",
888 return SLAP_CB_CONTINUE;
891 Debug( LDAP_DEBUG_TRACE,
892 "refint_response: no backend for our baseDN %s??\n",
893 id->dn.bv_val, 0, 0 );
894 return SLAP_CB_CONTINUE;
898 rq = ch_calloc( 1, sizeof( refint_q ));
899 ber_dupbv( &rq->olddn, &op->o_req_dn );
900 ber_dupbv( &rq->oldndn, &op->o_req_ndn );
904 if ( op->o_tag == LDAP_REQ_MODRDN ) {
905 if ( op->oq_modrdn.rs_newSup ) {
906 pdn = *op->oq_modrdn.rs_newSup;
908 dnParent( &op->o_req_dn, &pdn );
910 build_new_dn( &rq->newdn, &pdn, &op->orr_newrdn, NULL );
911 if ( op->oq_modrdn.rs_nnewSup ) {
912 pdn = *op->oq_modrdn.rs_nnewSup;
914 dnParent( &op->o_req_ndn, &pdn );
916 build_new_dn( &rq->newndn, &pdn, &op->orr_nnewrdn, NULL );
919 ldap_pvt_thread_mutex_lock( &id->qmutex );
921 id->qtail->next = rq;
926 ldap_pvt_thread_mutex_unlock( &id->qmutex );
929 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
931 id->qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL,
932 refint_qtask, id, "refint_qtask",
933 op->o_bd->be_suffix[0].bv_val );
936 if ( !ldap_pvt_runqueue_isrunning( &slapd_rq, id->qtask ) &&
937 !id->qtask->next_sched.tv_sec ) {
938 id->qtask->interval.tv_sec = 0;
939 ldap_pvt_runqueue_resched( &slapd_rq, id->qtask, 0 );
940 id->qtask->interval.tv_sec = RUNQ_INTERVAL;
944 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
946 slap_wake_listener();
948 return SLAP_CB_CONTINUE;
952 ** init_module is last so the symbols resolve "for free" --
953 ** it expects to be called automagically during dynamic module initialization
956 int refint_initialize() {
959 mr_dnSubtreeMatch = mr_find( "dnSubtreeMatch" );
960 if ( mr_dnSubtreeMatch == NULL ) {
961 Debug( LDAP_DEBUG_ANY, "refint_initialize: "
962 "unable to find MatchingRule 'dnSubtreeMatch'.\n",
967 /* statically declared just after the #includes at top */
968 refint.on_bi.bi_type = "refint";
969 refint.on_bi.bi_db_init = refint_db_init;
970 refint.on_bi.bi_db_destroy = refint_db_destroy;
971 refint.on_bi.bi_db_open = refint_open;
972 refint.on_bi.bi_db_close = refint_close;
973 refint.on_response = refint_response;
975 refint.on_bi.bi_cf_ocs = refintocs;
976 rc = config_register_schema ( refintcfg, refintocs );
979 return(overlay_register(&refint));
982 #if SLAPD_OVER_REFINT == SLAPD_MOD_DYNAMIC && defined(PIC)
983 int init_module(int argc, char *argv[]) {
984 return refint_initialize();
988 #endif /* SLAPD_OVER_REFINT */