2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 2005-2011 The OpenLDAP Foundation.
5 * Portions Copyright 2005-2006 SysNet s.n.c.
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>.
17 * This work was initially developed by Pierangelo Masarati for inclusion
18 * in OpenLDAP Software, sponsored by SysNet s.n.c.
27 #include <ac/string.h>
36 #define DDS_RF2589_MAX_TTL (31557600) /* 1 year + 6 hours */
37 #define DDS_RF2589_DEFAULT_TTL (86400) /* 1 day */
38 #define DDS_DEFAULT_INTERVAL (3600) /* 1 hour */
40 typedef struct dds_info_t {
42 #define DDS_FOFF (0x1U) /* is this really needed? */
43 #define DDS_SET(di, f) ( (di)->di_flags & (f) )
45 #define DDS_OFF(di) DDS_SET( (di), DDS_FOFF )
49 time_t di_default_ttl;
50 #define DDS_DEFAULT_TTL(di) \
51 ( (di)->di_default_ttl ? (di)->di_default_ttl : (di)->di_max_ttl )
55 /* expire check interval and task */
57 #define DDS_INTERVAL(di) \
58 ( (di)->di_interval ? (di)->di_interval : DDS_DEFAULT_INTERVAL )
59 struct re_s *di_expire_task;
61 /* allows to limit the maximum number of dynamic objects */
62 ldap_pvt_thread_mutex_t di_mutex;
63 int di_num_dynamicObjects;
64 int di_max_dynamicObjects;
66 /* used to advertize the dynamicSubtrees in the root DSE,
67 * and to select the database in the expiration task */
72 static struct berval slap_EXOP_REFRESH = BER_BVC( LDAP_EXOP_REFRESH );
73 static AttributeDescription *ad_entryExpireTimestamp;
75 /* list of expired DNs */
76 typedef struct dds_expire_t {
78 struct dds_expire_t *de_next;
81 typedef struct dds_cb_t {
82 dds_expire_t *dc_ndnlist;
86 dds_expire_cb( Operation *op, SlapReply *rs )
88 dds_cb_t *dc = (dds_cb_t *)op->o_callback->sc_private;
92 switch ( rs->sr_type ) {
94 /* alloc list and buffer for berval all in one */
95 de = op->o_tmpalloc( sizeof( dds_expire_t ) + rs->sr_entry->e_nname.bv_len + 1,
98 de->de_next = dc->dc_ndnlist;
101 de->de_ndn.bv_len = rs->sr_entry->e_nname.bv_len;
102 de->de_ndn.bv_val = (char *)&de[ 1 ];
103 AC_MEMCPY( de->de_ndn.bv_val, rs->sr_entry->e_nname.bv_val,
104 rs->sr_entry->e_nname.bv_len + 1 );
121 dds_expire( void *ctx, dds_info_t *di )
123 Connection conn = { 0 };
124 OperationBuffer opbuf;
126 slap_callback sc = { 0 };
128 dds_expire_t *de = NULL, **dep;
129 SlapReply rs = { REP_RESULT };
132 char tsbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
135 int ndeletes, ntotdeletes;
140 connection_fake_init2( &conn, &opbuf, ctx, 0 );
143 op->o_tag = LDAP_REQ_SEARCH;
144 memset( &op->oq_search, 0, sizeof( op->oq_search ) );
146 op->o_bd = select_backend( &di->di_nsuffix[ 0 ], 0 );
148 op->o_req_dn = op->o_bd->be_suffix[ 0 ];
149 op->o_req_ndn = op->o_bd->be_nsuffix[ 0 ];
151 op->o_dn = op->o_bd->be_rootdn;
152 op->o_ndn = op->o_bd->be_rootndn;
154 op->ors_scope = LDAP_SCOPE_SUBTREE;
155 op->ors_tlimit = DDS_INTERVAL( di )/2 + 1;
156 op->ors_slimit = SLAP_NO_LIMIT;
157 op->ors_attrs = slap_anlist_no_attrs;
159 expire = slap_get_time() - di->di_tolerance;
161 ts.bv_len = sizeof( tsbuf );
162 slap_timestamp( &expire, &ts );
164 op->ors_filterstr.bv_len = STRLENOF( "(&(objectClass=" ")(" "<=" "))" )
165 + slap_schema.si_oc_dynamicObject->soc_cname.bv_len
166 + ad_entryExpireTimestamp->ad_cname.bv_len
168 op->ors_filterstr.bv_val = op->o_tmpalloc( op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
169 snprintf( op->ors_filterstr.bv_val, op->ors_filterstr.bv_len + 1,
170 "(&(objectClass=%s)(%s<=%s))",
171 slap_schema.si_oc_dynamicObject->soc_cname.bv_val,
172 ad_entryExpireTimestamp->ad_cname.bv_val, ts.bv_val );
174 op->ors_filter = str2filter_x( op, op->ors_filterstr.bv_val );
175 if ( op->ors_filter == NULL ) {
176 rs.sr_err = LDAP_OTHER;
180 op->o_callback = ≻
181 sc.sc_response = dds_expire_cb;
184 (void)op->o_bd->bd_info->bi_op_search( op, &rs );
187 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
188 filter_free_x( op, op->ors_filter, 1 );
191 switch ( rs.sr_err ) {
195 case LDAP_NO_SUCH_OBJECT:
196 /* (ITS#5267) database not created yet? */
197 rs.sr_err = LDAP_SUCCESS;
198 extra = " (ignored)";
202 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
203 "DDS expired objects lookup failed err=%d%s\n",
208 op->o_tag = LDAP_REQ_DELETE;
209 op->o_callback = ≻
210 sc.sc_response = slap_null_cb;
211 sc.sc_private = NULL;
213 for ( ntotdeletes = 0, ndeletes = 1; dc.dc_ndnlist != NULL && ndeletes > 0; ) {
216 for ( dep = &dc.dc_ndnlist; *dep != NULL; ) {
219 op->o_req_dn = de->de_ndn;
220 op->o_req_ndn = de->de_ndn;
221 (void)op->o_bd->bd_info->bi_op_delete( op, &rs );
222 switch ( rs.sr_err ) {
224 Log1( LDAP_DEBUG_STATS, LDAP_LEVEL_INFO,
225 "DDS dn=\"%s\" expired.\n",
230 case LDAP_NOT_ALLOWED_ON_NONLEAF:
231 Log1( LDAP_DEBUG_ANY, LDAP_LEVEL_NOTICE,
232 "DDS dn=\"%s\" is non-leaf; "
240 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_NOTICE,
241 "DDS dn=\"%s\" err=%d; "
243 de->de_ndn.bv_val, rs.sr_err );
249 op->o_tmpfree( de, op->o_tmpmemctx );
253 ntotdeletes += ndeletes;
256 rs.sr_err = LDAP_SUCCESS;
258 Log1( LDAP_DEBUG_STATS, LDAP_LEVEL_INFO,
259 "DDS expired=%d\n", ntotdeletes );
266 dds_expire_fn( void *ctx, void *arg )
268 struct re_s *rtask = arg;
269 dds_info_t *di = rtask->arg;
271 assert( di->di_expire_task == rtask );
273 (void)dds_expire( ctx, di );
275 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
276 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, rtask )) {
277 ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
279 ldap_pvt_runqueue_resched( &slapd_rq, rtask, 0 );
280 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
285 /* frees the callback */
287 dds_freeit_cb( Operation *op, SlapReply *rs )
289 op->o_tmpfree( op->o_callback, op->o_tmpmemctx );
290 op->o_callback = NULL;
292 return SLAP_CB_CONTINUE;
295 /* updates counter - installed on add/delete only if required */
297 dds_counter_cb( Operation *op, SlapReply *rs )
299 assert( rs->sr_type == REP_RESULT );
301 if ( rs->sr_err == LDAP_SUCCESS ) {
302 dds_info_t *di = op->o_callback->sc_private;
304 ldap_pvt_thread_mutex_lock( &di->di_mutex );
305 switch ( op->o_tag ) {
306 case LDAP_REQ_DELETE:
307 assert( di->di_num_dynamicObjects > 0 );
308 di->di_num_dynamicObjects--;
312 assert( di->di_num_dynamicObjects < di->di_max_dynamicObjects );
313 di->di_num_dynamicObjects++;
319 ldap_pvt_thread_mutex_unlock( &di->di_mutex );
322 return dds_freeit_cb( op, rs );
326 dds_op_add( Operation *op, SlapReply *rs )
328 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
329 dds_info_t *di = on->on_bi.bi_private;
330 int is_dynamicObject;
332 if ( DDS_OFF( di ) ) {
333 return SLAP_CB_CONTINUE;
336 is_dynamicObject = is_entry_dynamicObject( op->ora_e );
338 /* FIXME: do not allow this right now, pending clarification */
339 if ( is_dynamicObject ) {
340 rs->sr_err = LDAP_SUCCESS;
342 if ( is_entry_referral( op->ora_e ) ) {
343 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
344 rs->sr_text = "a referral cannot be a dynamicObject";
346 } else if ( is_entry_alias( op->ora_e ) ) {
347 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
348 rs->sr_text = "an alias cannot be a dynamicObject";
351 if ( rs->sr_err != LDAP_SUCCESS ) {
352 op->o_bd->bd_info = (BackendInfo *)on->on_info;
353 send_ldap_result( op, rs );
358 /* we don't allow dynamicObjects to have static subordinates */
359 if ( !dn_match( &op->o_req_ndn, &op->o_bd->be_nsuffix[ 0 ] ) ) {
363 BackendInfo *bi = op->o_bd->bd_info;
365 dnParent( &op->o_req_ndn, &p_ndn );
366 op->o_bd->bd_info = (BackendInfo *)on->on_info;
367 rc = be_entry_get_rw( op, &p_ndn,
368 slap_schema.si_oc_dynamicObject, NULL, 0, &e );
369 if ( rc == LDAP_SUCCESS && e != NULL ) {
370 if ( !is_dynamicObject ) {
371 /* return referral only if "disclose"
372 * is granted on the object */
373 if ( ! access_allowed( op, e,
374 slap_schema.si_ad_entry,
375 NULL, ACL_DISCLOSE, NULL ) )
377 rc = rs->sr_err = LDAP_NO_SUCH_OBJECT;
378 send_ldap_result( op, rs );
381 rc = rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
382 send_ldap_error( op, rs, rc, "no static subordinate entries allowed for dynamicObject" );
386 be_entry_release_r( op, e );
387 if ( rc != LDAP_SUCCESS ) {
391 op->o_bd->bd_info = bi;
394 /* handle dynamic object operational attr(s) */
395 if ( is_dynamicObject ) {
397 char ttlbuf[STRLENOF("31557600") + 1];
398 char tsbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
401 if ( !be_isroot_dn( op->o_bd, &op->o_req_ndn ) ) {
402 ldap_pvt_thread_mutex_lock( &di->di_mutex );
403 rs->sr_err = ( di->di_max_dynamicObjects &&
404 di->di_num_dynamicObjects >= di->di_max_dynamicObjects );
405 ldap_pvt_thread_mutex_unlock( &di->di_mutex );
407 op->o_bd->bd_info = (BackendInfo *)on->on_info;
408 send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
409 "too many dynamicObjects in context" );
414 ttl = DDS_DEFAULT_TTL( di );
416 /* assert because should be checked at configure */
417 assert( ttl <= DDS_RF2589_MAX_TTL );
420 bv.bv_len = snprintf( ttlbuf, sizeof( ttlbuf ), "%ld", ttl );
421 assert( bv.bv_len < sizeof( ttlbuf ) );
423 /* FIXME: apparently, values in op->ora_e are malloc'ed
424 * on the thread's slab; works fine by chance,
425 * only because the attribute doesn't exist yet. */
426 assert( attr_find( op->ora_e->e_attrs, slap_schema.si_ad_entryTtl ) == NULL );
427 attr_merge_one( op->ora_e, slap_schema.si_ad_entryTtl, &bv, &bv );
429 expire = slap_get_time() + ttl;
431 bv.bv_len = sizeof( tsbuf );
432 slap_timestamp( &expire, &bv );
433 assert( attr_find( op->ora_e->e_attrs, ad_entryExpireTimestamp ) == NULL );
434 attr_merge_one( op->ora_e, ad_entryExpireTimestamp, &bv, &bv );
436 /* if required, install counter callback */
437 if ( di->di_max_dynamicObjects > 0) {
440 sc = op->o_tmpalloc( sizeof( slap_callback ), op->o_tmpmemctx );
441 sc->sc_cleanup = dds_freeit_cb;
442 sc->sc_response = dds_counter_cb;
444 sc->sc_next = op->o_callback;
450 return SLAP_CB_CONTINUE;
454 dds_op_delete( Operation *op, SlapReply *rs )
456 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
457 dds_info_t *di = on->on_bi.bi_private;
459 /* if required, install counter callback */
460 if ( !DDS_OFF( di ) && di->di_max_dynamicObjects > 0 ) {
462 BackendInfo *bi = op->o_bd->bd_info;
464 op->o_bd->bd_info = (BackendInfo *)on->on_info;
465 rs->sr_err = be_entry_get_rw( op, &op->o_req_ndn,
466 slap_schema.si_oc_dynamicObject, NULL, 0, &e );
468 /* FIXME: couldn't the entry be added before deletion? */
469 if ( rs->sr_err == LDAP_SUCCESS && e != NULL ) {
472 be_entry_release_r( op, e );
475 sc = op->o_tmpalloc( sizeof( slap_callback ), op->o_tmpmemctx );
476 sc->sc_cleanup = dds_freeit_cb;
477 sc->sc_response = dds_counter_cb;
479 sc->sc_next = op->o_callback;
483 op->o_bd->bd_info = bi;
486 return SLAP_CB_CONTINUE;
490 dds_op_modify( Operation *op, SlapReply *rs )
492 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
493 dds_info_t *di = (dds_info_t *)on->on_bi.bi_private;
496 BackendInfo *bi = op->o_bd->bd_info;
497 int was_dynamicObject = 0,
498 is_dynamicObject = 0;
499 struct berval bv_entryTtl = BER_BVNULL;
501 char textbuf[ SLAP_TEXT_BUFLEN ];
503 if ( DDS_OFF( di ) ) {
504 return SLAP_CB_CONTINUE;
507 /* bv_entryTtl stores the string representation of the entryTtl
508 * across modifies for consistency checks of the final value;
509 * the bv_val points to a static buffer; the bv_len is zero when
510 * the attribute is deleted.
511 * entryTtl stores the integer representation of the entryTtl;
512 * its value is -1 when the attribute is deleted; it is 0 only
513 * if no modifications of the entryTtl occurred, as an entryTtl
514 * of 0 is invalid. */
515 bv_entryTtl.bv_val = textbuf;
517 op->o_bd->bd_info = (BackendInfo *)on->on_info;
518 rs->sr_err = be_entry_get_rw( op, &op->o_req_ndn,
519 slap_schema.si_oc_dynamicObject, slap_schema.si_ad_entryTtl, 0, &e );
520 if ( rs->sr_err == LDAP_SUCCESS && e != NULL ) {
521 Attribute *a = attr_find( e->e_attrs, slap_schema.si_ad_entryTtl );
523 /* the value of the entryTtl is saved for later checks */
528 bv_entryTtl.bv_len = a->a_nvals[ 0 ].bv_len;
529 AC_MEMCPY( bv_entryTtl.bv_val, a->a_nvals[ 0 ].bv_val, bv_entryTtl.bv_len );
530 bv_entryTtl.bv_val[ bv_entryTtl.bv_len ] = '\0';
531 rc = lutil_atoul( &ttl, bv_entryTtl.bv_val );
533 entryTtl = (time_t)ttl;
536 be_entry_release_r( op, e );
538 was_dynamicObject = is_dynamicObject = 1;
540 op->o_bd->bd_info = bi;
542 rs->sr_err = LDAP_SUCCESS;
543 for ( mod = op->orm_modlist; mod; mod = mod->sml_next ) {
544 if ( mod->sml_desc == slap_schema.si_ad_objectClass ) {
548 switch ( mod->sml_op ) {
549 case LDAP_MOD_DELETE:
550 if ( mod->sml_values == NULL ) {
551 is_dynamicObject = 0;
555 for ( i = 0; !BER_BVISNULL( &mod->sml_values[ i ] ); i++ ) {
556 oc = oc_bvfind( &mod->sml_values[ i ] );
557 if ( oc == slap_schema.si_oc_dynamicObject ) {
558 is_dynamicObject = 0;
565 case LDAP_MOD_REPLACE:
566 if ( mod->sml_values == NULL ) {
567 is_dynamicObject = 0;
573 for ( i = 0; !BER_BVISNULL( &mod->sml_values[ i ] ); i++ ) {
574 oc = oc_bvfind( &mod->sml_values[ i ] );
575 if ( oc == slap_schema.si_oc_dynamicObject ) {
576 is_dynamicObject = 1;
583 } else if ( mod->sml_desc == slap_schema.si_ad_entryTtl ) {
588 switch ( mod->sml_op ) {
589 case LDAP_MOD_DELETE:
590 case SLAP_MOD_SOFTDEL: /* FIXME? */
591 if ( mod->sml_values != NULL ) {
592 if ( BER_BVISEMPTY( &bv_entryTtl )
593 || !bvmatch( &bv_entryTtl, &mod->sml_values[ 0 ] ) )
595 rs->sr_err = backend_attribute( op, NULL, &op->o_req_ndn,
596 slap_schema.si_ad_entry, NULL, ACL_DISCLOSE );
597 if ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) {
598 rs->sr_err = LDAP_NO_SUCH_OBJECT;
601 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
606 bv_entryTtl.bv_len = 0;
610 case LDAP_MOD_REPLACE:
611 bv_entryTtl.bv_len = 0;
616 case SLAP_MOD_SOFTADD: /* FIXME? */
617 case SLAP_MOD_ADD_IF_NOT_PRESENT: /* FIXME? */
618 assert( mod->sml_values != NULL );
619 assert( BER_BVISNULL( &mod->sml_values[ 1 ] ) );
621 if ( !BER_BVISEMPTY( &bv_entryTtl ) ) {
622 rs->sr_err = backend_attribute( op, NULL, &op->o_req_ndn,
623 slap_schema.si_ad_entry, NULL, ACL_DISCLOSE );
624 if ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) {
625 rs->sr_err = LDAP_NO_SUCH_OBJECT;
628 rs->sr_text = "attribute 'entryTtl' cannot have multiple values";
629 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
634 rc = lutil_atoul( &uttl, mod->sml_values[ 0 ].bv_val );
637 if ( ttl > DDS_RF2589_MAX_TTL ) {
638 rs->sr_err = LDAP_PROTOCOL_ERROR;
639 rs->sr_text = "invalid time-to-live for dynamicObject";
643 if ( ttl <= 0 || ttl > di->di_max_ttl ) {
644 /* FIXME: I don't understand if this has to be an error,
645 * or an indication that the requested Ttl has been
646 * shortened to di->di_max_ttl >= 1 day */
647 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
648 rs->sr_text = "time-to-live for dynamicObject exceeds administrative limit";
653 bv_entryTtl.bv_len = mod->sml_values[ 0 ].bv_len;
654 AC_MEMCPY( bv_entryTtl.bv_val, mod->sml_values[ 0 ].bv_val, bv_entryTtl.bv_len );
655 bv_entryTtl.bv_val[ bv_entryTtl.bv_len ] = '\0';
658 case LDAP_MOD_INCREMENT:
659 if ( BER_BVISEMPTY( &bv_entryTtl ) ) {
660 rs->sr_err = backend_attribute( op, NULL, &op->o_req_ndn,
661 slap_schema.si_ad_entry, NULL, ACL_DISCLOSE );
662 if ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) {
663 rs->sr_err = LDAP_NO_SUCH_OBJECT;
666 rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
667 rs->sr_text = "modify/increment: entryTtl: no such attribute";
673 if ( entryTtl > DDS_RF2589_MAX_TTL ) {
674 rs->sr_err = LDAP_PROTOCOL_ERROR;
675 rs->sr_text = "invalid time-to-live for dynamicObject";
677 } else if ( entryTtl <= 0 || entryTtl > di->di_max_ttl ) {
678 /* FIXME: I don't understand if this has to be an error,
679 * or an indication that the requested Ttl has been
680 * shortened to di->di_max_ttl >= 1 day */
681 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
682 rs->sr_text = "time-to-live for dynamicObject exceeds administrative limit";
685 if ( rs->sr_err != LDAP_SUCCESS ) {
686 rc = backend_attribute( op, NULL, &op->o_req_ndn,
687 slap_schema.si_ad_entry, NULL, ACL_DISCLOSE );
688 if ( rc == LDAP_INSUFFICIENT_ACCESS ) {
690 rs->sr_err = LDAP_NO_SUCH_OBJECT;
696 bv_entryTtl.bv_len = snprintf( textbuf, sizeof( textbuf ), "%ld", entryTtl );
704 } else if ( mod->sml_desc == ad_entryExpireTimestamp ) {
705 /* should have been trapped earlier */
706 assert( mod->sml_flags & SLAP_MOD_INTERNAL );
711 if ( rs->sr_err == LDAP_SUCCESS ) {
714 /* FIXME: this could be allowed when the Relax control is used...
720 * entryTtl must be provided; add
721 * entryExpireTimestamp accordingly
724 * entryTtl must be removed; remove
725 * entryTimestamp accordingly
727 * ... but we need to make sure that there are no subordinate
730 rc = is_dynamicObject - was_dynamicObject;
732 #if 0 /* fix subordinate issues first */
733 if ( get_relax( op ) ) {
736 /* need to delete entryTtl to have a consistent entry */
737 if ( entryTtl != -1 ) {
738 rs->sr_text = "objectClass modification from dynamicObject to static entry requires entryTtl deletion";
739 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
744 /* need to add entryTtl to have a consistent entry */
745 if ( entryTtl <= 0 ) {
746 rs->sr_text = "objectClass modification from static entry to dynamicObject requires entryTtl addition";
747 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
757 rs->sr_text = "objectClass modification cannot turn dynamicObject into static entry";
761 rs->sr_text = "objectClass modification cannot turn static entry into dynamicObject";
764 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
767 if ( rc != LDAP_SUCCESS ) {
768 rc = backend_attribute( op, NULL, &op->o_req_ndn,
769 slap_schema.si_ad_entry, NULL, ACL_DISCLOSE );
770 if ( rc == LDAP_INSUFFICIENT_ACCESS ) {
772 rs->sr_err = LDAP_NO_SUCH_OBJECT;
778 if ( rs->sr_err == LDAP_SUCCESS && entryTtl != 0 ) {
779 Modifications *tmpmod = NULL, **modp;
781 for ( modp = &op->orm_modlist; *modp; modp = &(*modp)->sml_next )
784 tmpmod = ch_calloc( 1, sizeof( Modifications ) );
785 tmpmod->sml_flags = SLAP_MOD_INTERNAL;
786 tmpmod->sml_type = ad_entryExpireTimestamp->ad_cname;
787 tmpmod->sml_desc = ad_entryExpireTimestamp;
791 if ( entryTtl == -1 ) {
792 /* delete entryExpireTimestamp */
793 tmpmod->sml_op = LDAP_MOD_DELETE;
797 char tsbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
800 /* keep entryExpireTimestamp consistent
802 expire = slap_get_time() + entryTtl;
804 bv.bv_len = sizeof( tsbuf );
805 slap_timestamp( &expire, &bv );
807 tmpmod->sml_op = LDAP_MOD_REPLACE;
808 value_add_one( &tmpmod->sml_values, &bv );
809 value_add_one( &tmpmod->sml_nvalues, &bv );
810 tmpmod->sml_numvals = 1;
815 op->o_bd->bd_info = (BackendInfo *)on->on_info;
816 send_ldap_result( op, rs );
820 return SLAP_CB_CONTINUE;
824 dds_op_rename( Operation *op, SlapReply *rs )
826 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
827 dds_info_t *di = on->on_bi.bi_private;
829 if ( DDS_OFF( di ) ) {
830 return SLAP_CB_CONTINUE;
833 /* we don't allow dynamicObjects to have static subordinates */
834 if ( op->orr_nnewSup != NULL ) {
836 BackendInfo *bi = op->o_bd->bd_info;
837 int is_dynamicObject = 0,
840 rs->sr_err = LDAP_SUCCESS;
842 op->o_bd->bd_info = (BackendInfo *)on->on_info;
843 rc = be_entry_get_rw( op, &op->o_req_ndn,
844 slap_schema.si_oc_dynamicObject, NULL, 0, &e );
845 if ( rc == LDAP_SUCCESS && e != NULL ) {
846 be_entry_release_r( op, e );
848 is_dynamicObject = 1;
851 rc = be_entry_get_rw( op, op->orr_nnewSup,
852 slap_schema.si_oc_dynamicObject, NULL, 0, &e );
853 if ( rc == LDAP_SUCCESS && e != NULL ) {
854 if ( !is_dynamicObject ) {
855 /* return referral only if "disclose"
856 * is granted on the object */
857 if ( ! access_allowed( op, e,
858 slap_schema.si_ad_entry,
859 NULL, ACL_DISCLOSE, NULL ) )
861 rs->sr_err = LDAP_NO_SUCH_OBJECT;
862 send_ldap_result( op, rs );
865 send_ldap_error( op, rs, LDAP_CONSTRAINT_VIOLATION,
866 "static entry cannot have dynamicObject as newSuperior" );
869 be_entry_release_r( op, e );
871 op->o_bd->bd_info = bi;
872 if ( rs->sr_err != LDAP_SUCCESS ) {
877 return SLAP_CB_CONTINUE;
888 int rc = LDAP_SUCCESS;
891 BerElementBuffer berbuf;
892 BerElement *ber = (BerElement *)&berbuf;
893 struct berval reqdata = BER_BVNULL;
902 if ( in == NULL || in->bv_len == 0 ) {
903 *text = "empty request data field in refresh exop";
904 return LDAP_PROTOCOL_ERROR;
907 ber_dupbv_x( &reqdata, in, ctx );
909 /* ber_init2 uses reqdata directly, doesn't allocate new buffers */
910 ber_init2( ber, &reqdata, 0 );
912 tag = ber_scanf( ber, "{" /*}*/ );
914 if ( tag == LBER_ERROR ) {
915 Log0( LDAP_DEBUG_TRACE, LDAP_LEVEL_ERR,
916 "slap_parse_refresh: decoding error.\n" );
920 tag = ber_peek_tag( ber, &len );
921 if ( tag != LDAP_TAG_EXOP_REFRESH_REQ_DN ) {
922 Log0( LDAP_DEBUG_TRACE, LDAP_LEVEL_ERR,
923 "slap_parse_refresh: decoding error.\n" );
930 tag = ber_scanf( ber, "m", &dn );
931 if ( tag == LBER_ERROR ) {
932 Log0( LDAP_DEBUG_TRACE, LDAP_LEVEL_ERR,
933 "slap_parse_refresh: DN parse failed.\n" );
937 rc = dnNormalize( 0, NULL, NULL, &dn, ndn, ctx );
938 if ( rc != LDAP_SUCCESS ) {
939 *text = "invalid DN in refresh exop request data";
944 tag = ber_scanf( ber, "x" /* "m" */ );
945 if ( tag == LBER_DEFAULT ) {
950 tag = ber_peek_tag( ber, &len );
952 if ( tag != LDAP_TAG_EXOP_REFRESH_REQ_TTL ) {
953 Log0( LDAP_DEBUG_TRACE, LDAP_LEVEL_ERR,
954 "slap_parse_refresh: decoding error.\n" );
958 tag = ber_scanf( ber, "i", &tmp );
959 if ( tag == LBER_ERROR ) {
960 Log0( LDAP_DEBUG_TRACE, LDAP_LEVEL_ERR,
961 "slap_parse_refresh: TTL parse failed.\n" );
969 tag = ber_peek_tag( ber, &len );
971 if ( tag != LBER_DEFAULT || len != 0 ) {
973 Log1( LDAP_DEBUG_TRACE, LDAP_LEVEL_ERR,
974 "slap_parse_refresh: decoding error, len=%ld\n",
976 rc = LDAP_PROTOCOL_ERROR;
977 *text = "data decoding error";
980 if ( ndn && !BER_BVISNULL( ndn ) ) {
981 slap_sl_free( ndn->bv_val, ctx );
986 if ( !BER_BVISNULL( &reqdata ) ) {
987 ber_memfree_x( reqdata.bv_val, ctx );
994 dds_op_extended( Operation *op, SlapReply *rs )
996 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
997 dds_info_t *di = on->on_bi.bi_private;
999 if ( DDS_OFF( di ) ) {
1000 return SLAP_CB_CONTINUE;
1003 if ( bvmatch( &op->ore_reqoid, &slap_EXOP_REFRESH ) ) {
1006 BackendDB db = *op->o_bd;
1007 SlapReply rs2 = { REP_RESULT };
1008 Operation op2 = *op;
1009 slap_callback sc = { 0 };
1010 Modifications ttlmod = { { 0 } };
1011 struct berval ttlvalues[ 2 ];
1012 char ttlbuf[STRLENOF("31557600") + 1];
1014 rs->sr_err = slap_parse_refresh( op->ore_reqdata, NULL, &ttl,
1015 &rs->sr_text, NULL );
1016 assert( rs->sr_err == LDAP_SUCCESS );
1018 if ( ttl <= 0 || ttl > DDS_RF2589_MAX_TTL ) {
1019 rs->sr_err = LDAP_PROTOCOL_ERROR;
1020 rs->sr_text = "invalid time-to-live for dynamicObject";
1024 if ( ttl > di->di_max_ttl ) {
1025 /* FIXME: I don't understand if this has to be an error,
1026 * or an indication that the requested Ttl has been
1027 * shortened to di->di_max_ttl >= 1 day */
1028 rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
1029 rs->sr_text = "time-to-live for dynamicObject exceeds limit";
1033 if ( di->di_min_ttl && ttl < di->di_min_ttl ) {
1034 ttl = di->di_min_ttl;
1037 /* This does not apply to multi-master case */
1038 if ( !( !SLAP_SINGLE_SHADOW( op->o_bd ) || be_isupdate( op ) ) ) {
1039 /* we SHOULD return a referral in this case */
1040 BerVarray defref = op->o_bd->be_update_refs
1041 ? op->o_bd->be_update_refs : default_referral;
1043 if ( defref != NULL ) {
1044 rs->sr_ref = referral_rewrite( op->o_bd->be_update_refs,
1045 NULL, NULL, LDAP_SCOPE_DEFAULT );
1047 rs->sr_flags |= REP_REF_MUSTBEFREED;
1049 rs->sr_ref = defref;
1051 rs->sr_err = LDAP_REFERRAL;
1054 rs->sr_text = "shadow context; no update referral";
1055 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1061 assert( !BER_BVISNULL( &op->o_req_ndn ) );
1065 /* check if exists but not dynamicObject */
1066 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1067 rs->sr_err = be_entry_get_rw( op, &op->o_req_ndn,
1068 slap_schema.si_oc_dynamicObject, NULL, 0, &e );
1069 if ( rs->sr_err != LDAP_SUCCESS ) {
1070 rs->sr_err = be_entry_get_rw( op, &op->o_req_ndn,
1071 NULL, NULL, 0, &e );
1072 if ( rs->sr_err == LDAP_SUCCESS && e != NULL ) {
1073 /* return referral only if "disclose"
1074 * is granted on the object */
1075 if ( ! access_allowed( op, e,
1076 slap_schema.si_ad_entry,
1077 NULL, ACL_DISCLOSE, NULL ) )
1079 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1082 rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
1083 rs->sr_text = "refresh operation only applies to dynamic objects";
1085 be_entry_release_r( op, e );
1088 rs->sr_err = LDAP_NO_SUCH_OBJECT;
1092 } else if ( e != NULL ) {
1093 be_entry_release_r( op, e );
1096 /* we require manage privileges on the entryTtl,
1097 * and fake a Relax control */
1098 op2.o_tag = LDAP_REQ_MODIFY;
1100 db.bd_info = (BackendInfo *)on->on_info;
1101 op2.o_callback = ≻
1102 sc.sc_response = slap_null_cb;
1103 op2.o_relax = SLAP_CONTROL_CRITICAL;
1104 op2.orm_modlist = &ttlmod;
1106 ttlmod.sml_op = LDAP_MOD_REPLACE;
1107 ttlmod.sml_flags = SLAP_MOD_MANAGING;
1108 ttlmod.sml_desc = slap_schema.si_ad_entryTtl;
1109 ttlmod.sml_values = ttlvalues;
1110 ttlmod.sml_numvals = 1;
1111 ttlvalues[ 0 ].bv_val = ttlbuf;
1112 ttlvalues[ 0 ].bv_len = snprintf( ttlbuf, sizeof( ttlbuf ), "%ld", ttl );
1113 BER_BVZERO( &ttlvalues[ 1 ] );
1115 /* the entryExpireTimestamp is added by modify */
1116 rs->sr_err = op2.o_bd->be_modify( &op2, &rs2 );
1118 if ( ttlmod.sml_next != NULL ) {
1119 slap_mods_free( ttlmod.sml_next, 1 );
1122 if ( rs->sr_err == LDAP_SUCCESS ) {
1124 BerElementBuffer berbuf;
1125 BerElement *ber = (BerElement *)&berbuf;
1127 ber_init_w_nullc( ber, LBER_USE_DER );
1129 rc = ber_printf( ber, "{tiN}", LDAP_TAG_EXOP_REFRESH_RES_TTL, (int)ttl );
1132 rs->sr_err = LDAP_OTHER;
1133 rs->sr_text = "internal error";
1136 (void)ber_flatten( ber, &rs->sr_rspdata );
1137 rs->sr_rspoid = ch_strdup( slap_EXOP_REFRESH.bv_val );
1139 Log3( LDAP_DEBUG_TRACE, LDAP_LEVEL_INFO,
1140 "%s REFRESH dn=\"%s\" TTL=%ld\n",
1141 op->o_log_prefix, op->o_req_ndn.bv_val, ttl );
1144 ber_free_buf( ber );
1150 return SLAP_CB_CONTINUE;
1165 static ConfigDriver dds_cfgen;
1167 static ConfigLDAPadd dds_ldadd;
1168 static ConfigCfAdd dds_cfadd;
1171 static ConfigTable dds_cfg[] = {
1172 { "dds-state", "on|off",
1173 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|DDS_STATE, dds_cfgen,
1174 "( OLcfgOvAt:9.1 NAME 'olcDDSstate' "
1175 "DESC 'RFC2589 Dynamic directory services state' "
1176 "SYNTAX OMsBoolean "
1177 "SINGLE-VALUE )", NULL, NULL },
1178 { "dds-max-ttl", "ttl",
1179 2, 2, 0, ARG_MAGIC|DDS_MAXTTL, dds_cfgen,
1180 "( OLcfgOvAt:9.2 NAME 'olcDDSmaxTtl' "
1181 "DESC 'RFC2589 Dynamic directory services max TTL' "
1182 "SYNTAX OMsDirectoryString "
1183 "SINGLE-VALUE )", NULL, NULL },
1184 { "dds-min-ttl", "ttl",
1185 2, 2, 0, ARG_MAGIC|DDS_MINTTL, dds_cfgen,
1186 "( OLcfgOvAt:9.3 NAME 'olcDDSminTtl' "
1187 "DESC 'RFC2589 Dynamic directory services min TTL' "
1188 "SYNTAX OMsDirectoryString "
1189 "SINGLE-VALUE )", NULL, NULL },
1190 { "dds-default-ttl", "ttl",
1191 2, 2, 0, ARG_MAGIC|DDS_DEFAULTTTL, dds_cfgen,
1192 "( OLcfgOvAt:9.4 NAME 'olcDDSdefaultTtl' "
1193 "DESC 'RFC2589 Dynamic directory services default TTL' "
1194 "SYNTAX OMsDirectoryString "
1195 "SINGLE-VALUE )", NULL, NULL },
1196 { "dds-interval", "interval",
1197 2, 2, 0, ARG_MAGIC|DDS_INTERVAL, dds_cfgen,
1198 "( OLcfgOvAt:9.5 NAME 'olcDDSinterval' "
1199 "DESC 'RFC2589 Dynamic directory services expiration "
1200 "task run interval' "
1201 "SYNTAX OMsDirectoryString "
1202 "SINGLE-VALUE )", NULL, NULL },
1203 { "dds-tolerance", "ttl",
1204 2, 2, 0, ARG_MAGIC|DDS_TOLERANCE, dds_cfgen,
1205 "( OLcfgOvAt:9.6 NAME 'olcDDStolerance' "
1206 "DESC 'RFC2589 Dynamic directory services additional "
1207 "TTL in expiration scheduling' "
1208 "SYNTAX OMsDirectoryString "
1209 "SINGLE-VALUE )", NULL, NULL },
1210 { "dds-max-dynamicObjects", "num",
1211 2, 2, 0, ARG_MAGIC|ARG_INT|DDS_MAXDYNAMICOBJS, dds_cfgen,
1212 "( OLcfgOvAt:9.7 NAME 'olcDDSmaxDynamicObjects' "
1213 "DESC 'RFC2589 Dynamic directory services max number of dynamic objects' "
1214 "SYNTAX OMsInteger "
1215 "SINGLE-VALUE )", NULL, NULL },
1216 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
1219 static ConfigOCs dds_ocs[] = {
1220 { "( OLcfgOvOc:9.1 "
1221 "NAME 'olcDDSConfig' "
1222 "DESC 'RFC2589 Dynamic directory services configuration' "
1223 "SUP olcOverlayConfig "
1228 "$ olcDDSdefaultTtl "
1230 "$ olcDDStolerance "
1231 "$ olcDDSmaxDynamicObjects "
1233 ")", Cft_Overlay, dds_cfg, NULL, NULL /* dds_cfadd */ },
1239 dds_ldadd( CfEntryInfo *p, Entry *e, ConfigArgs *ca )
1241 return LDAP_SUCCESS;
1245 dds_cfadd( Operation *op, SlapReply *rs, Entry *p, ConfigArgs *ca )
1252 dds_cfgen( ConfigArgs *c )
1254 slap_overinst *on = (slap_overinst *)c->bi;
1255 dds_info_t *di = on->on_bi.bi_private;
1260 if ( c->op == SLAP_CONFIG_EMIT ) {
1261 char buf[ SLAP_TEXT_BUFLEN ];
1266 c->value_int = !DDS_OFF( di );
1270 lutil_unparse_time( buf, sizeof( buf ), di->di_max_ttl );
1271 ber_str2bv( buf, 0, 0, &bv );
1272 value_add_one( &c->rvalue_vals, &bv );
1276 if ( di->di_min_ttl ) {
1277 lutil_unparse_time( buf, sizeof( buf ), di->di_min_ttl );
1278 ber_str2bv( buf, 0, 0, &bv );
1279 value_add_one( &c->rvalue_vals, &bv );
1286 case DDS_DEFAULTTTL:
1287 if ( di->di_default_ttl ) {
1288 lutil_unparse_time( buf, sizeof( buf ), di->di_default_ttl );
1289 ber_str2bv( buf, 0, 0, &bv );
1290 value_add_one( &c->rvalue_vals, &bv );
1298 if ( di->di_interval ) {
1299 lutil_unparse_time( buf, sizeof( buf ), di->di_interval );
1300 ber_str2bv( buf, 0, 0, &bv );
1301 value_add_one( &c->rvalue_vals, &bv );
1309 if ( di->di_tolerance ) {
1310 lutil_unparse_time( buf, sizeof( buf ), di->di_tolerance );
1311 ber_str2bv( buf, 0, 0, &bv );
1312 value_add_one( &c->rvalue_vals, &bv );
1319 case DDS_MAXDYNAMICOBJS:
1320 if ( di->di_max_dynamicObjects > 0 ) {
1321 c->value_int = di->di_max_dynamicObjects;
1335 } else if ( c->op == LDAP_MOD_DELETE ) {
1338 di->di_flags &= ~DDS_FOFF;
1342 di->di_min_ttl = DDS_RF2589_DEFAULT_TTL;
1349 case DDS_DEFAULTTTL:
1350 di->di_default_ttl = 0;
1354 di->di_interval = 0;
1358 di->di_tolerance = 0;
1361 case DDS_MAXDYNAMICOBJS:
1362 di->di_max_dynamicObjects = 0;
1373 switch ( c->type ) {
1375 if ( c->value_int ) {
1376 di->di_flags &= ~DDS_FOFF;
1379 di->di_flags |= DDS_FOFF;
1384 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1385 snprintf( c->cr_msg, sizeof( c->cr_msg),
1386 "DDS unable to parse dds-max-ttl \"%s\"",
1388 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1389 "%s: %s.\n", c->log, c->cr_msg );
1393 if ( t < DDS_RF2589_DEFAULT_TTL || t > DDS_RF2589_MAX_TTL ) {
1394 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1395 "DDS invalid dds-max-ttl=%lu; must be between %d and %d",
1396 t, DDS_RF2589_DEFAULT_TTL, DDS_RF2589_MAX_TTL );
1397 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1398 "%s: %s.\n", c->log, c->cr_msg );
1402 di->di_max_ttl = (time_t)t;
1406 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1407 snprintf( c->cr_msg, sizeof( c->cr_msg),
1408 "DDS unable to parse dds-min-ttl \"%s\"",
1410 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1411 "%s: %s.\n", c->log, c->cr_msg );
1415 if ( t > DDS_RF2589_MAX_TTL ) {
1416 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1417 "DDS invalid dds-min-ttl=%lu",
1419 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1420 "%s: %s.\n", c->log, c->cr_msg );
1425 di->di_min_ttl = DDS_RF2589_DEFAULT_TTL;
1428 di->di_min_ttl = (time_t)t;
1432 case DDS_DEFAULTTTL:
1433 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1434 snprintf( c->cr_msg, sizeof( c->cr_msg),
1435 "DDS unable to parse dds-default-ttl \"%s\"",
1437 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1438 "%s: %s.\n", c->log, c->cr_msg );
1442 if ( t > DDS_RF2589_MAX_TTL ) {
1443 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1444 "DDS invalid dds-default-ttl=%lu",
1446 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1447 "%s: %s.\n", c->log, c->cr_msg );
1452 di->di_default_ttl = DDS_RF2589_DEFAULT_TTL;
1455 di->di_default_ttl = (time_t)t;
1460 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1461 snprintf( c->cr_msg, sizeof( c->cr_msg),
1462 "DDS unable to parse dds-interval \"%s\"",
1464 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1465 "%s: %s.\n", c->log, c->cr_msg );
1470 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1471 "DDS invalid dds-interval=%lu",
1473 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1474 "%s: %s.\n", c->log, c->cr_msg );
1479 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_NOTICE,
1480 "%s: dds-interval=%lu may be too small.\n",
1484 di->di_interval = (time_t)t;
1485 if ( di->di_expire_task ) {
1486 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1487 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, di->di_expire_task ) ) {
1488 ldap_pvt_runqueue_stoptask( &slapd_rq, di->di_expire_task );
1490 di->di_expire_task->interval.tv_sec = DDS_INTERVAL( di );
1491 ldap_pvt_runqueue_resched( &slapd_rq, di->di_expire_task, 0 );
1492 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1497 if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1498 snprintf( c->cr_msg, sizeof( c->cr_msg),
1499 "DDS unable to parse dds-tolerance \"%s\"",
1501 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1502 "%s: %s.\n", c->log, c->cr_msg );
1506 if ( t > DDS_RF2589_MAX_TTL ) {
1507 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1508 "DDS invalid dds-tolerance=%lu",
1510 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1511 "%s: %s.\n", c->log, c->cr_msg );
1515 di->di_tolerance = (time_t)t;
1518 case DDS_MAXDYNAMICOBJS:
1519 if ( c->value_int < 0 ) {
1520 snprintf( c->cr_msg, sizeof( c->cr_msg ),
1521 "DDS invalid dds-max-dynamicObjects=%d", c->value_int );
1522 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1523 "%s: %s.\n", c->log, c->cr_msg );
1526 di->di_max_dynamicObjects = c->value_int;
1542 slap_overinst *on = (slap_overinst *)be->bd_info;
1544 BackendInfo *bi = on->on_info->oi_orig;
1546 if ( SLAP_ISGLOBALOVERLAY( be ) ) {
1547 Log0( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1548 "DDS cannot be used as global overlay.\n" );
1552 /* check support for required functions */
1553 /* FIXME: some could be provided by other overlays in between */
1554 if ( bi->bi_op_add == NULL /* object creation */
1555 || bi->bi_op_delete == NULL /* object deletion */
1556 || bi->bi_op_modify == NULL /* object refresh */
1557 || bi->bi_op_search == NULL /* object expiration */
1558 || bi->bi_entry_get_rw == NULL ) /* object type/existence checking */
1560 Log1( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1561 "DDS backend \"%s\" does not provide "
1562 "required functionality.\n",
1567 di = (dds_info_t *)ch_calloc( 1, sizeof( dds_info_t ) );
1568 on->on_bi.bi_private = di;
1570 di->di_max_ttl = DDS_RF2589_DEFAULT_TTL;
1571 di->di_max_ttl = DDS_RF2589_DEFAULT_TTL;
1573 ldap_pvt_thread_mutex_init( &di->di_mutex );
1575 SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_DYNAMIC;
1580 /* adds dynamicSubtrees to root DSE */
1582 dds_entry_info( void *arg, Entry *e )
1584 dds_info_t *di = (dds_info_t *)arg;
1586 attr_merge( e, slap_schema.si_ad_dynamicSubtrees,
1587 di->di_suffix, di->di_nsuffix );
1592 /* callback that counts the returned entries, since the search
1593 * does not get to the point in slap_send_search_entries where
1594 * the actual count occurs */
1596 dds_count_cb( Operation *op, SlapReply *rs )
1598 int *nump = (int *)op->o_callback->sc_private;
1600 switch ( rs->sr_type ) {
1616 /* count dynamic objects existing in the database at startup */
1618 dds_count( void *ctx, BackendDB *be )
1620 slap_overinst *on = (slap_overinst *)be->bd_info;
1621 dds_info_t *di = (dds_info_t *)on->on_bi.bi_private;
1623 Connection conn = { 0 };
1624 OperationBuffer opbuf;
1626 slap_callback sc = { 0 };
1627 SlapReply rs = { REP_RESULT };
1632 connection_fake_init2( &conn, &opbuf, ctx, 0 );
1635 op->o_tag = LDAP_REQ_SEARCH;
1636 memset( &op->oq_search, 0, sizeof( op->oq_search ) );
1640 op->o_req_dn = op->o_bd->be_suffix[ 0 ];
1641 op->o_req_ndn = op->o_bd->be_nsuffix[ 0 ];
1643 op->o_dn = op->o_bd->be_rootdn;
1644 op->o_ndn = op->o_bd->be_rootndn;
1646 op->ors_scope = LDAP_SCOPE_SUBTREE;
1647 op->ors_tlimit = SLAP_NO_LIMIT;
1648 op->ors_slimit = SLAP_NO_LIMIT;
1649 op->ors_attrs = slap_anlist_no_attrs;
1651 op->ors_filterstr.bv_len = STRLENOF( "(objectClass=" ")" )
1652 + slap_schema.si_oc_dynamicObject->soc_cname.bv_len;
1653 op->ors_filterstr.bv_val = op->o_tmpalloc( op->ors_filterstr.bv_len + 1, op->o_tmpmemctx );
1654 snprintf( op->ors_filterstr.bv_val, op->ors_filterstr.bv_len + 1,
1656 slap_schema.si_oc_dynamicObject->soc_cname.bv_val );
1658 op->ors_filter = str2filter_x( op, op->ors_filterstr.bv_val );
1659 if ( op->ors_filter == NULL ) {
1660 rs.sr_err = LDAP_OTHER;
1664 op->o_callback = ≻
1665 sc.sc_response = dds_count_cb;
1666 sc.sc_private = &di->di_num_dynamicObjects;
1667 di->di_num_dynamicObjects = 0;
1669 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1670 (void)op->o_bd->bd_info->bi_op_search( op, &rs );
1671 op->o_bd->bd_info = (BackendInfo *)on;
1674 op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
1675 filter_free_x( op, op->ors_filter, 1 );
1678 switch ( rs.sr_err ) {
1680 Log1( LDAP_DEBUG_STATS, LDAP_LEVEL_INFO,
1681 "DDS non-expired=%d\n",
1682 di->di_num_dynamicObjects );
1685 case LDAP_NO_SUCH_OBJECT:
1686 /* (ITS#5267) database not created yet? */
1687 rs.sr_err = LDAP_SUCCESS;
1688 extra = " (ignored)";
1692 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1693 "DDS non-expired objects lookup failed err=%d%s\n",
1706 slap_overinst *on = (slap_overinst *)be->bd_info;
1707 dds_info_t *di = on->on_bi.bi_private;
1709 void *thrctx = ldap_pvt_thread_pool_context();
1711 if ( DDS_OFF( di ) ) {
1715 if ( SLAP_SINGLE_SHADOW( be ) ) {
1716 Log1( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1717 "DDS incompatible with shadow database \"%s\".\n",
1718 be->be_suffix[ 0 ].bv_val );
1722 if ( di->di_max_ttl == 0 ) {
1723 di->di_max_ttl = DDS_RF2589_DEFAULT_TTL;
1726 if ( di->di_min_ttl == 0 ) {
1727 di->di_max_ttl = DDS_RF2589_DEFAULT_TTL;
1730 di->di_suffix = be->be_suffix;
1731 di->di_nsuffix = be->be_nsuffix;
1733 /* ... so that count, if required, is accurate */
1734 if ( di->di_max_dynamicObjects > 0 ) {
1735 /* force deletion of expired entries... */
1736 be->bd_info = (BackendInfo *)on->on_info;
1737 rc = dds_expire( thrctx, di );
1738 be->bd_info = (BackendInfo *)on;
1739 if ( rc != LDAP_SUCCESS ) {
1744 rc = dds_count( thrctx, be );
1745 if ( rc != LDAP_SUCCESS ) {
1751 /* start expire task */
1752 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1753 di->di_expire_task = ldap_pvt_runqueue_insert( &slapd_rq,
1755 dds_expire_fn, di, "dds_expire_fn",
1756 be->be_suffix[ 0 ].bv_val );
1757 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1759 /* register dinamicSubtrees root DSE info support */
1760 rc = entry_info_register( dds_entry_info, (void *)di );
1772 slap_overinst *on = (slap_overinst *)be->bd_info;
1773 dds_info_t *di = on->on_bi.bi_private;
1775 /* stop expire task */
1776 if ( di && di->di_expire_task ) {
1777 ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
1778 if ( ldap_pvt_runqueue_isrunning( &slapd_rq, di->di_expire_task ) ) {
1779 ldap_pvt_runqueue_stoptask( &slapd_rq, di->di_expire_task );
1781 ldap_pvt_runqueue_remove( &slapd_rq, di->di_expire_task );
1782 ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
1785 (void)entry_info_unregister( dds_entry_info, (void *)di );
1795 slap_overinst *on = (slap_overinst *)be->bd_info;
1796 dds_info_t *di = on->on_bi.bi_private;
1799 ldap_pvt_thread_mutex_destroy( &di->di_mutex );
1812 BackendDB *bd = op->o_bd;
1814 rs->sr_err = slap_parse_refresh( op->ore_reqdata, &op->o_req_ndn, NULL,
1815 &rs->sr_text, op->o_tmpmemctx );
1816 if ( rs->sr_err != LDAP_SUCCESS ) {
1820 Log2( LDAP_DEBUG_STATS, LDAP_LEVEL_INFO,
1821 "%s REFRESH dn=\"%s\"\n",
1822 op->o_log_prefix, op->o_req_ndn.bv_val );
1823 op->o_req_dn = op->o_req_ndn;
1825 op->o_bd = select_backend( &op->o_req_ndn, 0 );
1826 if ( op->o_bd == NULL ) {
1827 send_ldap_error( op, rs, LDAP_NO_SUCH_OBJECT,
1828 "no global superior knowledge" );
1832 if ( !SLAP_DYNAMIC( op->o_bd ) ) {
1833 send_ldap_error( op, rs, LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
1834 "backend does not support dynamic directory services" );
1838 rs->sr_err = backend_check_restrictions( op, rs,
1839 (struct berval *)&slap_EXOP_REFRESH );
1840 if ( rs->sr_err != LDAP_SUCCESS ) {
1844 if ( op->o_bd->be_extended == NULL ) {
1845 send_ldap_error( op, rs, LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
1846 "backend does not support extended operations" );
1850 op->o_bd->be_extended( op, rs );
1853 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
1854 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
1855 BER_BVZERO( &op->o_req_ndn );
1856 BER_BVZERO( &op->o_req_dn );
1863 static slap_overinst dds;
1865 static int do_not_load_exop;
1866 static int do_not_replace_exop;
1867 static int do_not_load_schema;
1869 #if SLAPD_OVER_DDS == SLAPD_MOD_DYNAMIC
1871 #endif /* SLAPD_OVER_DDS == SLAPD_MOD_DYNAMIC */
1878 /* Make sure we don't exceed the bits reserved for userland */
1879 config_check_userland( DDS_LAST );
1881 if ( !do_not_load_schema ) {
1885 AttributeDescription **ad;
1887 { "( 1.3.6.1.4.1.4203.666.1.57 "
1888 "NAME ( 'entryExpireTimestamp' ) "
1889 "DESC 'RFC2589 OpenLDAP extension: expire time of a dynamic object, "
1890 "computed as now + entryTtl' "
1891 "EQUALITY generalizedTimeMatch "
1892 "ORDERING generalizedTimeOrderingMatch "
1893 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
1895 "NO-USER-MODIFICATION "
1896 "USAGE dSAOperation )",
1898 &ad_entryExpireTimestamp },
1902 for ( i = 0; s_at[ i ].desc != NULL; i++ ) {
1903 code = register_at( s_at[ i ].desc, s_at[ i ].ad, 0 );
1905 Debug( LDAP_DEBUG_ANY,
1906 "dds_initialize: register_at failed\n", 0, 0, 0 );
1909 (*s_at[ i ].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
1913 if ( !do_not_load_exop ) {
1914 rc = load_extop2( (struct berval *)&slap_EXOP_REFRESH,
1915 SLAP_EXOP_WRITES|SLAP_EXOP_HIDE, slap_exop_refresh,
1916 !do_not_replace_exop );
1917 if ( rc != LDAP_SUCCESS ) {
1918 Log1( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1919 "DDS unable to register refresh exop: %d.\n",
1925 dds.on_bi.bi_type = "dds";
1927 dds.on_bi.bi_db_init = dds_db_init;
1928 dds.on_bi.bi_db_open = dds_db_open;
1929 dds.on_bi.bi_db_close = dds_db_close;
1930 dds.on_bi.bi_db_destroy = dds_db_destroy;
1932 dds.on_bi.bi_op_add = dds_op_add;
1933 dds.on_bi.bi_op_delete = dds_op_delete;
1934 dds.on_bi.bi_op_modify = dds_op_modify;
1935 dds.on_bi.bi_op_modrdn = dds_op_rename;
1936 dds.on_bi.bi_extended = dds_op_extended;
1938 dds.on_bi.bi_cf_ocs = dds_ocs;
1940 rc = config_register_schema( dds_cfg, dds_ocs );
1945 return overlay_register( &dds );
1948 #if SLAPD_OVER_DDS == SLAPD_MOD_DYNAMIC
1950 init_module( int argc, char *argv[] )
1954 for ( i = 0; i < argc; i++ ) {
1955 char *arg = argv[ i ];
1958 if ( strncasecmp( arg, "no-", STRLENOF( "no-" ) ) == 0 ) {
1959 arg += STRLENOF( "no-" );
1963 if ( strcasecmp( arg, "exop" ) == 0 ) {
1964 do_not_load_exop = no;
1966 } else if ( strcasecmp( arg, "replace" ) == 0 ) {
1967 do_not_replace_exop = no;
1969 } else if ( strcasecmp( arg, "schema" ) == 0 ) {
1970 do_not_load_schema = no;
1973 Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_ERR,
1974 "DDS unknown module arg[#%d]=\"%s\".\n",
1980 return dds_initialize();
1982 #endif /* SLAPD_OVER_DDS == SLAPD_MOD_DYNAMIC */
1984 #endif /* defined(SLAPD_OVER_DDS) */