1 /* rwm.c - rewrite/remap operations */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2003-2009 The OpenLDAP Foundation.
6 * Portions Copyright 2003 Pierangelo Masarati.
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>.
24 #include <ac/string.h>
31 typedef struct rwm_op_state {
37 AttributeName *mapped_attrs;
41 typedef struct rwm_op_cb {
47 rwm_db_destroy( BackendDB *be, ConfigReply *cr );
50 rwm_send_entry( Operation *op, SlapReply *rs );
53 rwm_op_rollback( Operation *op, SlapReply *rs, rwm_op_state *ros )
55 if ( !BER_BVISNULL( &ros->ro_dn ) ) {
56 op->o_req_dn = ros->ro_dn;
58 if ( !BER_BVISNULL( &ros->ro_ndn ) ) {
59 op->o_req_ndn = ros->ro_ndn;
62 if ( !BER_BVISNULL( &ros->r_dn )
63 && ros->r_dn.bv_val != ros->ro_dn.bv_val )
65 assert( ros->r_dn.bv_val != ros->r_ndn.bv_val );
66 ch_free( ros->r_dn.bv_val );
67 BER_BVZERO( &ros->r_dn );
70 if ( !BER_BVISNULL( &ros->r_ndn )
71 && ros->r_ndn.bv_val != ros->ro_ndn.bv_val )
73 ch_free( ros->r_ndn.bv_val );
74 BER_BVZERO( &ros->r_ndn );
77 BER_BVZERO( &ros->ro_dn );
78 BER_BVZERO( &ros->ro_ndn );
80 switch( ros->r_tag ) {
81 case LDAP_REQ_COMPARE:
82 if ( op->orc_ava->aa_value.bv_val != ros->orc_ava->aa_value.bv_val )
83 op->o_tmpfree( op->orc_ava->aa_value.bv_val, op->o_tmpmemctx );
84 op->orc_ava = ros->orc_ava;
87 slap_mods_free( op->orm_modlist, 1 );
88 op->orm_modlist = ros->orm_modlist;
91 if ( op->orr_newSup != ros->orr_newSup ) {
92 ch_free( op->orr_newSup->bv_val );
93 ch_free( op->orr_nnewSup->bv_val );
94 op->o_tmpfree( op->orr_newSup, op->o_tmpmemctx );
95 op->o_tmpfree( op->orr_nnewSup, op->o_tmpmemctx );
96 op->orr_newSup = ros->orr_newSup;
97 op->orr_nnewSup = ros->orr_nnewSup;
99 if ( op->orr_newrdn.bv_val != ros->orr_newrdn.bv_val ) {
100 ch_free( op->orr_newrdn.bv_val );
101 ch_free( op->orr_nnewrdn.bv_val );
102 op->orr_newrdn = ros->orr_newrdn;
103 op->orr_nnewrdn = ros->orr_nnewrdn;
106 case LDAP_REQ_SEARCH:
107 ch_free( ros->mapped_attrs );
108 filter_free_x( op, op->ors_filter, 1 );
109 ch_free( op->ors_filterstr.bv_val );
110 op->ors_attrs = ros->ors_attrs;
111 op->ors_filter = ros->ors_filter;
112 op->ors_filterstr = ros->ors_filterstr;
114 case LDAP_REQ_EXTENDED:
115 if ( op->ore_reqdata != ros->ore_reqdata ) {
116 ber_bvfree( op->ore_reqdata );
117 op->ore_reqdata = ros->ore_reqdata;
121 if ( rs->sr_err == LDAP_SUCCESS ) {
123 ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
124 /* too late, c_mutex released */
125 fprintf( stderr, "*** DN: \"%s\" => \"%s\"\n",
126 op->o_conn->c_ndn.bv_val,
127 op->o_req_ndn.bv_val );
128 ber_bvreplace( &op->o_conn->c_ndn,
130 ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
139 rwm_op_cleanup( Operation *op, SlapReply *rs )
141 slap_callback *cb = op->o_callback;
142 rwm_op_state *ros = cb->sc_private;
144 if ( rs->sr_type == REP_RESULT || rs->sr_type == REP_EXTENDED ||
145 op->o_abandon || rs->sr_err == SLAPD_ABANDON )
147 rwm_op_rollback( op, rs, ros );
149 op->o_callback = op->o_callback->sc_next;
150 op->o_tmpfree( cb, op->o_tmpmemctx );
153 return SLAP_CB_CONTINUE;
157 rwm_callback_get( Operation *op, SlapReply *rs )
159 rwm_op_cb *roc = NULL;
161 roc = op->o_tmpalloc( sizeof( struct rwm_op_cb ), op->o_tmpmemctx );
162 roc->cb.sc_cleanup = rwm_op_cleanup;
163 roc->cb.sc_response = NULL;
164 roc->cb.sc_next = op->o_callback;
165 roc->cb.sc_private = &roc->ros;
166 roc->ros.r_tag = op->o_tag;
167 roc->ros.ro_dn = op->o_req_dn;
168 roc->ros.ro_ndn = op->o_req_ndn;
169 roc->ros.o_request = op->o_request;
170 BER_BVZERO( &roc->ros.r_dn );
171 BER_BVZERO( &roc->ros.r_ndn );
178 rwm_op_dn_massage( Operation *op, SlapReply *rs, void *cookie,
181 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
182 struct ldaprwmap *rwmap =
183 (struct ldaprwmap *)on->on_bi.bi_private;
185 struct berval dn = BER_BVNULL,
191 * Rewrite the dn if needed
194 dc.conn = op->o_conn;
196 dc.ctx = (char *)cookie;
198 /* NOTE: in those cases where only the ndn is available,
199 * and the caller sets op->o_req_dn = op->o_req_ndn,
200 * only rewrite the op->o_req_ndn and use it as
201 * op->o_req_dn as well */
203 if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
205 rc = rwm_dn_massage_pretty_normalize( &dc, &op->o_req_dn, &dn, &ndn );
207 rc = rwm_dn_massage_normalize( &dc, &op->o_req_ndn, &ndn );
210 if ( rc != LDAP_SUCCESS ) {
214 if ( ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val && dn.bv_val == op->o_req_dn.bv_val )
215 || ndn.bv_val == op->o_req_ndn.bv_val )
220 if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
222 assert( BER_BVISNULL( &ros->r_dn ) );
228 assert( BER_BVISNULL( &ros->r_ndn ) );
235 rwm_op_add( Operation *op, SlapReply *rs )
237 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
238 struct ldaprwmap *rwmap =
239 (struct ldaprwmap *)on->on_bi.bi_private;
243 Attribute **ap = NULL;
244 char *olddn = op->o_req_dn.bv_val;
247 rwm_op_cb *roc = rwm_callback_get( op, rs );
249 rc = rwm_op_dn_massage( op, rs, "addDN", &roc->ros );
250 if ( rc != LDAP_SUCCESS ) {
251 op->o_bd->bd_info = (BackendInfo *)on->on_info;
252 send_ldap_error( op, rs, rc, "addDN massage error" );
256 if ( olddn != op->o_req_dn.bv_val ) {
257 ber_bvreplace( &op->ora_e->e_name, &op->o_req_dn );
258 ber_bvreplace( &op->ora_e->e_nname, &op->o_req_ndn );
261 /* Count number of attributes in entry */
262 isupdate = be_shadow_update( op );
263 for ( i = 0, ap = &op->oq_add.rs_e->e_attrs; *ap; ) {
266 if ( (*ap)->a_desc == slap_schema.si_ad_objectClass ||
267 (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
271 last = (*ap)->a_numvals - 1;
272 for ( j = 0; !BER_BVISNULL( &(*ap)->a_vals[ j ] ); j++ ) {
273 struct ldapmapping *mapping = NULL;
275 ( void )rwm_mapping( &rwmap->rwm_oc, &(*ap)->a_vals[ j ],
277 if ( mapping == NULL ) {
278 if ( rwmap->rwm_at.drop_missing ) {
279 /* FIXME: we allow to remove objectClasses as well;
280 * if the resulting entry is inconsistent, that's
281 * the relayed database's business...
283 ch_free( (*ap)->a_vals[ j ].bv_val );
285 (*ap)->a_vals[ j ] = (*ap)->a_vals[ last ];
287 BER_BVZERO( &(*ap)->a_vals[ last ] );
294 ch_free( (*ap)->a_vals[ j ].bv_val );
295 ber_dupbv( &(*ap)->a_vals[ j ], &mapping->m_dst );
299 } else if ( !isupdate && !get_relax( op ) && (*ap)->a_desc->ad_type->sat_no_user_mod )
304 struct ldapmapping *mapping = NULL;
306 ( void )rwm_mapping( &rwmap->rwm_at, &(*ap)->a_desc->ad_cname,
308 if ( mapping == NULL ) {
309 if ( rwmap->rwm_at.drop_missing ) {
314 if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
315 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
318 * FIXME: rewrite could fail; in this case
319 * the operation should give up, right?
321 rc = rwm_dnattr_rewrite( op, rs, "addAttrDN",
323 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
328 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
329 rc = rwm_referral_rewrite( op, rs, "referralAttrDN",
331 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
332 if ( rc != LDAP_SUCCESS ) {
337 if ( mapping != NULL ) {
338 assert( mapping->m_dst_ad != NULL );
339 (*ap)->a_desc = mapping->m_dst_ad;
348 /* FIXME: leaking attribute/values? */
355 op->o_callback = &roc->cb;
357 return SLAP_CB_CONTINUE;
361 rwm_conn_init( BackendDB *be, Connection *conn )
363 slap_overinst *on = (slap_overinst *) be->bd_info;
364 struct ldaprwmap *rwmap =
365 (struct ldaprwmap *)on->on_bi.bi_private;
367 ( void )rewrite_session_init( rwmap->rwm_rw, conn );
369 return SLAP_CB_CONTINUE;
373 rwm_conn_destroy( BackendDB *be, Connection *conn )
375 slap_overinst *on = (slap_overinst *) be->bd_info;
376 struct ldaprwmap *rwmap =
377 (struct ldaprwmap *)on->on_bi.bi_private;
379 ( void )rewrite_session_delete( rwmap->rwm_rw, conn );
381 return SLAP_CB_CONTINUE;
385 rwm_op_bind( Operation *op, SlapReply *rs )
387 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
390 rwm_op_cb *roc = rwm_callback_get( op, rs );
392 rc = rwm_op_dn_massage( op, rs, "bindDN", &roc->ros );
393 if ( rc != LDAP_SUCCESS ) {
394 op->o_bd->bd_info = (BackendInfo *)on->on_info;
395 send_ldap_error( op, rs, rc, "bindDN massage error" );
399 overlay_callback_after_backover( op, &roc->cb, 1 );
401 return SLAP_CB_CONTINUE;
405 rwm_op_unbind( Operation *op, SlapReply *rs )
407 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
408 struct ldaprwmap *rwmap =
409 (struct ldaprwmap *)on->on_bi.bi_private;
411 rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
413 return SLAP_CB_CONTINUE;
417 rwm_op_compare( Operation *op, SlapReply *rs )
419 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
420 struct ldaprwmap *rwmap =
421 (struct ldaprwmap *)on->on_bi.bi_private;
424 struct berval mapped_vals[2] = { BER_BVNULL, BER_BVNULL };
426 rwm_op_cb *roc = rwm_callback_get( op, rs );
428 rc = rwm_op_dn_massage( op, rs, "compareDN", &roc->ros );
429 if ( rc != LDAP_SUCCESS ) {
430 op->o_bd->bd_info = (BackendInfo *)on->on_info;
431 send_ldap_error( op, rs, rc, "compareDN massage error" );
435 /* if the attribute is an objectClass, try to remap its value */
436 if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
437 || op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass )
439 rwm_map( &rwmap->rwm_oc, &op->orc_ava->aa_value,
440 &mapped_vals[0], RWM_MAP );
441 if ( BER_BVISNULL( &mapped_vals[0] ) || BER_BVISEMPTY( &mapped_vals[0] ) )
443 op->o_bd->bd_info = (BackendInfo *)on->on_info;
444 send_ldap_error( op, rs, LDAP_OTHER, "compare objectClass map error" );
447 } else if ( mapped_vals[0].bv_val != op->orc_ava->aa_value.bv_val ) {
448 ber_dupbv_x( &op->orc_ava->aa_value, &mapped_vals[0],
453 struct ldapmapping *mapping = NULL;
454 AttributeDescription *ad = op->orc_ava->aa_desc;
456 ( void )rwm_mapping( &rwmap->rwm_at, &op->orc_ava->aa_desc->ad_cname,
458 if ( mapping == NULL ) {
459 if ( rwmap->rwm_at.drop_missing ) {
460 op->o_bd->bd_info = (BackendInfo *)on->on_info;
461 send_ldap_error( op, rs, LDAP_OTHER, "compare attributeType map error" );
466 assert( mapping->m_dst_ad != NULL );
467 ad = mapping->m_dst_ad;
470 if ( op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
471 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
473 struct berval *mapped_valsp[2];
475 mapped_valsp[0] = &mapped_vals[0];
476 mapped_valsp[1] = &mapped_vals[1];
478 mapped_vals[0] = op->orc_ava->aa_value;
480 rc = rwm_dnattr_rewrite( op, rs, "compareAttrDN", NULL, mapped_valsp );
482 if ( rc != LDAP_SUCCESS ) {
483 op->o_bd->bd_info = (BackendInfo *)on->on_info;
484 send_ldap_error( op, rs, rc, "compareAttrDN massage error" );
488 if ( mapped_vals[ 0 ].bv_val != op->orc_ava->aa_value.bv_val ) {
489 /* NOTE: if we get here, rwm_dnattr_rewrite()
490 * already freed the old value, so now
492 ber_dupbv_x( &op->orc_ava->aa_value, &mapped_vals[0],
494 ber_memfree_x( mapped_vals[ 0 ].bv_val, NULL );
497 op->orc_ava->aa_desc = ad;
500 op->o_callback = &roc->cb;
502 return SLAP_CB_CONTINUE;
506 rwm_op_delete( Operation *op, SlapReply *rs )
508 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
511 rwm_op_cb *roc = rwm_callback_get( op, rs );
513 rc = rwm_op_dn_massage( op, rs, "deleteDN", &roc->ros );
514 if ( rc != LDAP_SUCCESS ) {
515 op->o_bd->bd_info = (BackendInfo *)on->on_info;
516 send_ldap_error( op, rs, rc, "deleteDN massage error" );
520 op->o_callback = &roc->cb;
522 return SLAP_CB_CONTINUE;
526 rwm_op_modify( Operation *op, SlapReply *rs )
528 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
529 struct ldaprwmap *rwmap =
530 (struct ldaprwmap *)on->on_bi.bi_private;
536 rwm_op_cb *roc = rwm_callback_get( op, rs );
538 rc = rwm_op_dn_massage( op, rs, "modifyDN", &roc->ros );
539 if ( rc != LDAP_SUCCESS ) {
540 op->o_bd->bd_info = (BackendInfo *)on->on_info;
541 send_ldap_error( op, rs, rc, "modifyDN massage error" );
545 isupdate = be_shadow_update( op );
546 for ( mlp = &op->orm_modlist; *mlp; ) {
548 Modifications *ml = *mlp;
549 struct ldapmapping *mapping = NULL;
551 /* ml points to a temporary mod until needs duplication */
552 if ( ml->sml_desc == slap_schema.si_ad_objectClass
553 || ml->sml_desc == slap_schema.si_ad_structuralObjectClass )
557 } else if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod )
559 ml = ch_malloc( sizeof( Modifications ) );
561 if ( (*mlp)->sml_values ) {
562 ber_bvarray_dup_x( &ml->sml_values, (*mlp)->sml_values, NULL );
563 if ( (*mlp)->sml_nvalues ) {
564 ber_bvarray_dup_x( &ml->sml_nvalues, (*mlp)->sml_nvalues, NULL );
573 drop_missing = rwm_mapping( &rwmap->rwm_at,
574 &ml->sml_desc->ad_cname,
576 if ( drop_missing || ( mapping != NULL && BER_BVISNULL( &mapping->m_dst ) ) )
582 /* duplicate the modlist */
583 ml = ch_malloc( sizeof( Modifications ));
587 if ( ml->sml_values != NULL ) {
591 for ( num = 0; !BER_BVISNULL( &ml->sml_values[ num ] ); num++ )
594 bva = ch_malloc( (num+1) * sizeof( struct berval ));
595 for (i=0; i<num; i++)
596 ber_dupbv( &bva[i], &ml->sml_values[i] );
597 BER_BVZERO( &bva[i] );
598 ml->sml_values = bva;
600 if ( ml->sml_nvalues ) {
601 bva = ch_malloc( (num+1) * sizeof( struct berval ));
602 for (i=0; i<num; i++)
603 ber_dupbv( &bva[i], &ml->sml_nvalues[i] );
604 BER_BVZERO( &bva[i] );
605 ml->sml_nvalues = bva;
613 for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) {
614 struct ldapmapping *oc_mapping = NULL;
616 ( void )rwm_mapping( &rwmap->rwm_oc, &ml->sml_values[ j ],
617 &oc_mapping, RWM_MAP );
618 if ( oc_mapping == NULL ) {
619 if ( rwmap->rwm_at.drop_missing ) {
620 /* FIXME: we allow to remove objectClasses as well;
621 * if the resulting entry is inconsistent, that's
622 * the relayed database's business...
625 ch_free( ml->sml_values[ j ].bv_val );
626 ml->sml_values[ j ] = ml->sml_values[ last ];
628 BER_BVZERO( &ml->sml_values[ last ] );
634 ch_free( ml->sml_values[ j ].bv_val );
635 ber_dupbv( &ml->sml_values[ j ], &oc_mapping->m_dst );
640 if ( ml->sml_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
641 || ( mapping != NULL && mapping->m_dst_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
643 rc = rwm_dnattr_rewrite( op, rs, "modifyAttrDN",
645 ml->sml_nvalues ? &ml->sml_nvalues : NULL );
647 } else if ( ml->sml_desc == slap_schema.si_ad_ref ) {
648 rc = rwm_referral_rewrite( op, rs,
651 ml->sml_nvalues ? &ml->sml_nvalues : NULL );
652 if ( rc != LDAP_SUCCESS ) {
657 if ( rc != LDAP_SUCCESS ) {
664 if ( mapping != NULL ) {
665 /* use new attribute description */
666 assert( mapping->m_dst_ad != NULL );
667 ml->sml_desc = mapping->m_dst_ad;
675 *mlp = (*mlp)->sml_next;
676 slap_mod_free( &ml->sml_mod, 0 );
680 op->o_callback = &roc->cb;
682 return SLAP_CB_CONTINUE;
686 rwm_op_modrdn( Operation *op, SlapReply *rs )
688 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
689 struct ldaprwmap *rwmap =
690 (struct ldaprwmap *)on->on_bi.bi_private;
695 rwm_op_cb *roc = rwm_callback_get( op, rs );
697 if ( op->orr_newSup ) {
698 struct berval nnewSup = BER_BVNULL;
699 struct berval newSup = BER_BVNULL;
702 * Rewrite the new superior, if defined and required
705 dc.conn = op->o_conn;
707 dc.ctx = "newSuperiorDN";
708 newSup = *op->orr_newSup;
709 nnewSup = *op->orr_nnewSup;
710 rc = rwm_dn_massage_pretty_normalize( &dc, op->orr_newSup, &newSup, &nnewSup );
711 if ( rc != LDAP_SUCCESS ) {
712 op->o_bd->bd_info = (BackendInfo *)on->on_info;
713 send_ldap_error( op, rs, rc, "newSuperiorDN massage error" );
717 if ( op->orr_newSup->bv_val != newSup.bv_val ) {
718 op->orr_newSup = op->o_tmpalloc( sizeof( struct berval ),
720 op->orr_nnewSup = op->o_tmpalloc( sizeof( struct berval ),
722 *op->orr_newSup = newSup;
723 *op->orr_nnewSup = nnewSup;
728 * Rewrite the newRDN, if needed
731 struct berval newrdn = BER_BVNULL;
732 struct berval nnewrdn = BER_BVNULL;
735 dc.conn = op->o_conn;
738 newrdn = op->orr_newrdn;
739 nnewrdn = op->orr_nnewrdn;
740 rc = rwm_dn_massage_pretty_normalize( &dc, &op->orr_newrdn, &newrdn, &nnewrdn );
741 if ( rc != LDAP_SUCCESS ) {
742 op->o_bd->bd_info = (BackendInfo *)on->on_info;
743 send_ldap_error( op, rs, rc, "newRDN massage error" );
747 if ( op->orr_newrdn.bv_val != newrdn.bv_val ) {
748 op->orr_newrdn = newrdn;
749 op->orr_nnewrdn = nnewrdn;
754 * Rewrite the dn, if needed
756 rc = rwm_op_dn_massage( op, rs, "renameDN", &roc->ros );
757 if ( rc != LDAP_SUCCESS ) {
758 op->o_bd->bd_info = (BackendInfo *)on->on_info;
759 send_ldap_error( op, rs, rc, "renameDN massage error" );
763 op->o_callback = &roc->cb;
765 rc = SLAP_CB_CONTINUE;
769 if ( op->orr_newSup != roc->ros.orr_newSup ) {
770 ch_free( op->orr_newSup->bv_val );
771 ch_free( op->orr_nnewSup->bv_val );
772 op->o_tmpfree( op->orr_newSup, op->o_tmpmemctx );
773 op->o_tmpfree( op->orr_nnewSup, op->o_tmpmemctx );
774 op->orr_newSup = roc->ros.orr_newSup;
775 op->orr_nnewSup = roc->ros.orr_nnewSup;
778 if ( op->orr_newrdn.bv_val != roc->ros.orr_newrdn.bv_val ) {
779 ch_free( op->orr_newrdn.bv_val );
780 ch_free( op->orr_nnewrdn.bv_val );
781 op->orr_newrdn = roc->ros.orr_newrdn;
782 op->orr_nnewrdn = roc->ros.orr_nnewrdn;
791 rwm_swap_attrs( Operation *op, SlapReply *rs )
793 slap_callback *cb = op->o_callback;
794 rwm_op_state *ros = cb->sc_private;
796 rs->sr_attrs = ros->ors_attrs;
798 /* other overlays might have touched op->ors_attrs,
799 * so we restore the original version here, otherwise
800 * attribute-mapping might fail */
801 op->ors_attrs = ros->mapped_attrs;
803 return SLAP_CB_CONTINUE;
807 * NOTE: this implementation of get/release entry is probably far from
808 * optimal. The rationale consists in intercepting the request directed
809 * to the underlying database, in order to rewrite/remap the request,
810 * perform it using the modified data, duplicate the resulting entry
811 * and finally free it when release is called.
812 * This implies that subsequent overlays are not called, as the request
813 * is directly shunted to the underlying database.
816 rwm_entry_release_rw( Operation *op, Entry *e, int rw )
818 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
821 if ( ((BackendInfo *)on->on_info->oi_orig)->bi_entry_get_rw == NULL ) {
822 return SLAP_CB_CONTINUE;
825 /* just free entry if (probably) ours */
826 if ( e->e_private == NULL ) {
831 return SLAP_CB_CONTINUE;
835 rwm_entry_get_rw( Operation *op, struct berval *ndn,
836 ObjectClass *oc, AttributeDescription *at, int rw, Entry **ep )
838 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
839 struct ldaprwmap *rwmap =
840 (struct ldaprwmap *)on->on_bi.bi_private;
847 SlapReply rs = { REP_SEARCH };
849 rwm_op_state ros = { 0 };
851 if ( ((BackendInfo *)on->on_info->oi_orig)->bi_entry_get_rw == NULL ) {
852 return SLAP_CB_CONTINUE;
856 op2.o_tag = LDAP_REQ_SEARCH;
859 op2.o_req_ndn = *ndn;
860 rc = rwm_op_dn_massage( &op2, &rs, "searchDN", &ros );
861 if ( rc != LDAP_SUCCESS ) {
865 /* map attribute & objectClass */
875 op2.o_bd->bd_info = (BackendInfo *)on->on_info->oi_orig;
876 op2.ors_attrs = slap_anlist_all_attributes;
877 rc = op2.o_bd->bd_info->bi_entry_get_rw( &op2, &ros.r_ndn, oc, at, rw, ep );
878 if ( rc == LDAP_SUCCESS && *ep != NULL ) {
881 /* duplicate & release */
882 op2.o_bd->bd_info = (BackendInfo *)on;
883 rc = rwm_send_entry( &op2, &rs );
884 if ( rc == SLAP_CB_CONTINUE ) {
890 if ( ros.r_ndn.bv_val != ndn->bv_val ) {
891 op->o_tmpfree( ros.r_ndn.bv_val, op->o_tmpmemctx );
898 rwm_op_search( Operation *op, SlapReply *rs )
900 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
901 struct ldaprwmap *rwmap =
902 (struct ldaprwmap *)on->on_bi.bi_private;
907 struct berval fstr = BER_BVNULL;
910 AttributeName *an = NULL;
914 rwm_op_cb *roc = rwm_callback_get( op, rs );
916 rc = rewrite_session_var_set( rwmap->rwm_rw, op->o_conn,
917 "searchFilter", op->ors_filterstr.bv_val );
918 if ( rc == LDAP_SUCCESS )
919 rc = rwm_op_dn_massage( op, rs, "searchDN", &roc->ros );
920 if ( rc != LDAP_SUCCESS ) {
921 text = "searchDN massage error";
926 * Rewrite the dn if needed
929 dc.conn = op->o_conn;
931 dc.ctx = "searchFilterAttrDN";
933 rc = rwm_filter_map_rewrite( op, &dc, op->ors_filter, &fstr );
934 if ( rc != LDAP_SUCCESS ) {
935 text = "searchFilter/searchFilterAttrDN massage error";
939 f = str2filter_x( op, fstr.bv_val );
942 text = "massaged filter parse error";
947 op->ors_filterstr = fstr;
949 rc = rwm_map_attrnames( &rwmap->rwm_at, &rwmap->rwm_oc,
950 op->ors_attrs, &an, RWM_MAP );
951 if ( rc != LDAP_SUCCESS ) {
952 text = "attribute list mapping error";
957 /* store the mapped Attributes for later usage, in
958 * the case that other overlays change op->ors_attrs */
959 roc->ros.mapped_attrs = an;
960 roc->cb.sc_response = rwm_swap_attrs;
962 op->o_callback = &roc->cb;
964 return SLAP_CB_CONTINUE;
972 filter_free_x( op, f, 1 );
975 if ( !BER_BVISNULL( &fstr ) ) {
976 ch_free( fstr.bv_val );
979 rwm_op_rollback( op, rs, &roc->ros );
980 op->oq_search = roc->ros.oq_search;
981 op->o_tmpfree( roc, op->o_tmpmemctx );
983 op->o_bd->bd_info = (BackendInfo *)on->on_info;
984 send_ldap_error( op, rs, rc, text );
991 rwm_exop_passwd( Operation *op, SlapReply *rs )
993 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
997 struct berval id = BER_BVNULL,
1000 BerElement *ber = NULL;
1002 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
1003 return LDAP_SUCCESS;
1006 if ( !SLAP_ISGLOBALOVERLAY( op->o_bd ) ) {
1007 rs->sr_err = LDAP_OTHER;
1011 rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
1012 &pwold, &pwnew, &rs->sr_text );
1013 if ( rs->sr_err != LDAP_SUCCESS ) {
1017 if ( !BER_BVISNULL( &id ) ) {
1018 char idNul = id.bv_val[id.bv_len];
1019 id.bv_val[id.bv_len] = '\0';
1020 rs->sr_err = dnPrettyNormal( NULL, &id, &op->o_req_dn,
1021 &op->o_req_ndn, op->o_tmpmemctx );
1022 id.bv_val[id.bv_len] = idNul;
1023 if ( rs->sr_err != LDAP_SUCCESS ) {
1024 rs->sr_text = "Invalid DN";
1029 ber_dupbv_x( &op->o_req_dn, &op->o_dn, op->o_tmpmemctx );
1030 ber_dupbv_x( &op->o_req_ndn, &op->o_ndn, op->o_tmpmemctx );
1033 roc = rwm_callback_get( op, rs );
1035 rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
1036 if ( rc != LDAP_SUCCESS ) {
1037 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1038 send_ldap_error( op, rs, rc, "extendedDN massage error" );
1042 ber = ber_alloc_t( LBER_USE_DER );
1044 rs->sr_err = LDAP_OTHER;
1045 rs->sr_text = "No memory";
1048 ber_printf( ber, "{" );
1049 if ( !BER_BVISNULL( &id )) {
1050 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1053 if ( !BER_BVISNULL( &pwold )) {
1054 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, &pwold );
1056 if ( !BER_BVISNULL( &pwnew )) {
1057 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, &pwnew );
1059 ber_printf( ber, "N}" );
1060 ber_flatten( ber, &op->ore_reqdata );
1063 op->o_callback = &roc->cb;
1065 return SLAP_CB_CONTINUE;
1068 static struct exop {
1070 BI_op_extended *extended;
1072 { BER_BVC(LDAP_EXOP_MODIFY_PASSWD), rwm_exop_passwd },
1073 { BER_BVNULL, NULL }
1077 rwm_extended( Operation *op, SlapReply *rs )
1079 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1085 for ( i = 0; exop_table[i].extended != NULL; i++ ) {
1086 if ( bvmatch( &exop_table[i].oid, &op->oq_extended.rs_reqoid ) )
1088 rc = exop_table[i].extended( op, rs );
1093 case SLAP_CB_CONTINUE:
1098 send_ldap_result( op, rs );
1105 roc = rwm_callback_get( op, rs );
1107 rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
1108 if ( rc != LDAP_SUCCESS ) {
1109 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1110 send_ldap_error( op, rs, rc, "extendedDN massage error" );
1114 /* TODO: rewrite/map extended data ? ... */
1115 op->o_callback = &roc->cb;
1117 return SLAP_CB_CONTINUE;
1121 rwm_matched( Operation *op, SlapReply *rs )
1123 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1124 struct ldaprwmap *rwmap =
1125 (struct ldaprwmap *)on->on_bi.bi_private;
1127 struct berval dn, mdn;
1131 if ( rs->sr_matched == NULL ) {
1132 return SLAP_CB_CONTINUE;
1136 dc.conn = op->o_conn;
1138 dc.ctx = "matchedDN";
1139 ber_str2bv( rs->sr_matched, 0, 0, &dn );
1141 rc = rwm_dn_massage_pretty( &dc, &dn, &mdn );
1142 if ( rc != LDAP_SUCCESS ) {
1144 rs->sr_text = "Rewrite error";
1148 if ( mdn.bv_val != dn.bv_val ) {
1149 if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
1150 ch_free( (void *)rs->sr_matched );
1153 rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
1155 rs->sr_matched = mdn.bv_val;
1158 return SLAP_CB_CONTINUE;
1162 rwm_attrs( Operation *op, SlapReply *rs, Attribute** a_first, int stripEntryDN )
1164 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1165 struct ldaprwmap *rwmap =
1166 (struct ldaprwmap *)on->on_bi.bi_private;
1172 int check_duplicate_attrs = 0;
1175 * Rewrite the dn attrs, if needed
1178 dc.conn = op->o_conn;
1181 /* FIXME: the entries are in the remote mapping form;
1182 * so we need to select those attributes we are willing
1183 * to return, and remap them accordingly */
1185 /* FIXME: in principle, one could map an attribute
1186 * on top of another, which already exists.
1187 * As such, in the end there might exist more than
1188 * one instance of an attribute.
1189 * We should at least check if this occurs, and issue
1190 * an error (because multiple instances of attrs in
1191 * response are not valid), or merge the values (what
1192 * about duplicate values?) */
1193 isupdate = be_shadow_update( op );
1194 for ( ap = a_first; *ap; ) {
1195 struct ldapmapping *mapping = NULL;
1200 if ( SLAP_OPATTRS( rs->sr_attr_flags ) && is_at_operational( (*ap)->a_desc->ad_type ) )
1205 if ( op->ors_attrs != NULL &&
1206 !SLAP_USERATTRS( rs->sr_attr_flags ) &&
1207 !ad_inlist( (*ap)->a_desc, op->ors_attrs ) )
1212 drop_missing = rwm_mapping( &rwmap->rwm_at,
1213 &(*ap)->a_desc->ad_cname, &mapping, RWM_REMAP );
1214 if ( drop_missing || ( mapping != NULL && BER_BVISEMPTY( &mapping->m_dst ) ) )
1218 if ( mapping != NULL ) {
1219 assert( mapping->m_dst_ad != NULL );
1221 /* try to normalize mapped Attributes if the original
1222 * AttributeType was not normalized */
1223 if ( (!(*ap)->a_desc->ad_type->sat_equality ||
1224 !(*ap)->a_desc->ad_type->sat_equality->smr_normalize) &&
1225 mapping->m_dst_ad->ad_type->sat_equality &&
1226 mapping->m_dst_ad->ad_type->sat_equality->smr_normalize )
1228 if ((rwmap->rwm_flags & RWM_F_NORMALIZE_MAPPED_ATTRS))
1232 last = (*ap)->a_numvals;
1235 (*ap)->a_nvals = ch_malloc( (last+1) * sizeof(struct berval) );
1237 for ( i = 0; !BER_BVISNULL( &(*ap)->a_vals[i]); i++ ) {
1240 * check that each value is valid per syntax
1241 * and pretty if appropriate
1243 rc = mapping->m_dst_ad->ad_type->sat_equality->smr_normalize(
1244 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
1245 mapping->m_dst_ad->ad_type->sat_syntax,
1246 mapping->m_dst_ad->ad_type->sat_equality,
1247 &(*ap)->a_vals[i], &(*ap)->a_nvals[i],
1250 if ( rc != LDAP_SUCCESS ) {
1251 BER_BVZERO( &(*ap)->a_nvals[i] );
1254 BER_BVZERO( &(*ap)->a_nvals[i] );
1258 assert( (*ap)->a_nvals == (*ap)->a_vals );
1259 (*ap)->a_nvals = NULL;
1260 ber_bvarray_dup_x( &(*ap)->a_nvals, (*ap)->a_vals, NULL );
1264 /* rewrite the attribute description */
1265 (*ap)->a_desc = mapping->m_dst_ad;
1267 /* will need to check for duplicate attrs */
1268 check_duplicate_attrs++;
1272 if ( (*ap)->a_desc == slap_schema.si_ad_entryDN ) {
1273 if ( stripEntryDN ) {
1274 /* will be generated by frontend */
1278 } else if ( !isupdate
1280 && (*ap)->a_desc->ad_type->sat_no_user_mod
1281 && (*ap)->a_desc->ad_type != slap_schema.si_at_undefined )
1286 if ( last == -1 ) { /* not yet counted */
1287 last = (*ap)->a_numvals;
1291 /* empty? leave it in place because of attrsonly and vlv */
1296 if ( (*ap)->a_desc == slap_schema.si_ad_objectClass
1297 || (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
1301 for ( bv = (*ap)->a_vals; !BER_BVISNULL( bv ); bv++ ) {
1302 struct berval mapped;
1304 rwm_map( &rwmap->rwm_oc, &bv[0], &mapped, RWM_REMAP );
1305 if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
1307 ch_free( bv[0].bv_val );
1308 BER_BVZERO( &bv[0] );
1309 if ( &(*ap)->a_vals[last] > &bv[0] ) {
1310 bv[0] = (*ap)->a_vals[last];
1311 BER_BVZERO( &(*ap)->a_vals[last] );
1316 } else if ( mapped.bv_val != bv[0].bv_val
1317 && ber_bvstrcasecmp( &mapped, &bv[0] ) != 0 )
1321 for ( i = 0; !BER_BVISNULL( &(*ap)->a_vals[ i ] ); i++ ) {
1322 if ( &(*ap)->a_vals[ i ] == bv ) {
1326 if ( ber_bvstrcasecmp( &mapped, &(*ap)->a_vals[ i ] ) == 0 ) {
1331 if ( !BER_BVISNULL( &(*ap)->a_vals[ i ] ) ) {
1336 * FIXME: after LBER_FREEing
1337 * the value is replaced by
1338 * ch_alloc'ed memory
1340 ber_bvreplace( &bv[0], &mapped );
1342 /* FIXME: will need to check
1343 * if the structuralObjectClass
1349 * It is necessary to try to rewrite attributes with
1350 * dn syntax because they might be used in ACLs as
1351 * members of groups; since ACLs are applied to the
1352 * rewritten stuff, no dn-based subject clause could
1353 * be used at the ldap backend side (see
1354 * http://www.OpenLDAP.org/faq/data/cache/452.html)
1355 * The problem can be overcome by moving the dn-based
1356 * ACLs to the target directory server, and letting
1357 * everything pass thru the ldap backend. */
1358 /* FIXME: handle distinguishedName-like syntaxes, like
1359 * nameAndOptionalUID */
1360 } else if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
1361 || ( mapping != NULL && mapping->m_src_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
1363 dc.ctx = "searchAttrDN";
1364 rc = rwm_dnattr_result_rewrite( &dc, (*ap)->a_vals, (*ap)->a_nvals );
1365 if ( rc != LDAP_SUCCESS ) {
1369 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
1370 dc.ctx = "searchAttrDN";
1371 rc = rwm_referral_result_rewrite( &dc, (*ap)->a_vals );
1372 if ( rc != LDAP_SUCCESS ) {
1379 ap = &(*ap)->a_next;
1384 *ap = (*ap)->a_next;
1389 /* only check if some mapping occurred */
1390 if ( check_duplicate_attrs ) {
1391 for ( ap = a_first; *ap != NULL; ap = &(*ap)->a_next ) {
1394 for ( tap = &(*ap)->a_next; *tap != NULL; ) {
1395 if ( (*tap)->a_desc == (*ap)->a_desc ) {
1397 Modification mod = { 0 };
1398 const char *text = NULL;
1399 char textbuf[ SLAP_TEXT_BUFLEN ];
1400 Attribute *next = (*tap)->a_next;
1402 BER_BVSTR( &e.e_name, "" );
1403 BER_BVSTR( &e.e_nname, "" );
1405 mod.sm_op = LDAP_MOD_ADD;
1406 mod.sm_desc = (*ap)->a_desc;
1407 mod.sm_type = mod.sm_desc->ad_cname;
1408 mod.sm_numvals = (*tap)->a_numvals;
1409 mod.sm_values = (*tap)->a_vals;
1410 if ( (*tap)->a_nvals != (*tap)->a_vals ) {
1411 mod.sm_nvalues = (*tap)->a_nvals;
1414 (void)modify_add_values( &e, &mod,
1416 &text, textbuf, sizeof( textbuf ) );
1418 /* should not insert new attrs! */
1419 assert( e.e_attrs == *ap );
1425 tap = &(*tap)->a_next;
1435 rwm_send_entry( Operation *op, SlapReply *rs )
1437 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1438 struct ldaprwmap *rwmap =
1439 (struct ldaprwmap *)on->on_bi.bi_private;
1443 struct berval dn = BER_BVNULL,
1448 assert( rs->sr_entry != NULL );
1451 * Rewrite the dn of the result, if needed
1454 dc.conn = op->o_conn;
1456 dc.ctx = "searchEntryDN";
1459 flags = rs->sr_flags;
1460 if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
1461 /* FIXME: all we need to duplicate are:
1464 * - attributes that are requested
1465 * - no values if attrsonly is set
1470 rc = LDAP_NO_MEMORY;
1474 flags &= ~REP_ENTRY_MUSTRELEASE;
1475 flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
1479 * Note: this may fail if the target host(s) schema differs
1480 * from the one known to the meta, and a DN with unknown
1481 * attributes is returned.
1485 rc = rwm_dn_massage_pretty_normalize( &dc, &e->e_name, &dn, &ndn );
1486 if ( rc != LDAP_SUCCESS ) {
1491 if ( e->e_name.bv_val != dn.bv_val ) {
1492 ch_free( e->e_name.bv_val );
1493 ch_free( e->e_nname.bv_val );
1499 /* TODO: map entry attribute types, objectclasses
1500 * and dn-valued attribute values */
1502 /* FIXME: the entries are in the remote mapping form;
1503 * so we need to select those attributes we are willing
1504 * to return, and remap them accordingly */
1505 (void)rwm_attrs( op, rs, &e->e_attrs, 1 );
1507 if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
1508 overlay_entry_release_ov( op, rs->sr_entry, 0, on );
1512 rs->sr_flags = flags;
1514 return SLAP_CB_CONTINUE;
1517 if ( e != NULL && e != rs->sr_entry ) {
1518 if ( e->e_name.bv_val == dn.bv_val ) {
1519 BER_BVZERO( &e->e_name );
1522 if ( e->e_nname.bv_val == ndn.bv_val ) {
1523 BER_BVZERO( &e->e_nname );
1529 if ( !BER_BVISNULL( &dn ) ) {
1530 ch_free( dn.bv_val );
1533 if ( !BER_BVISNULL( &ndn ) ) {
1534 ch_free( ndn.bv_val );
1541 rwm_operational( Operation *op, SlapReply *rs )
1543 /* FIXME: the entries are in the remote mapping form;
1544 * so we need to select those attributes we are willing
1545 * to return, and remap them accordingly */
1546 if ( rs->sr_operational_attrs ) {
1547 rwm_attrs( op, rs, &rs->sr_operational_attrs, 1 );
1550 return SLAP_CB_CONTINUE;
1554 /* don't use this; it cannot be reverted, and leaves op->o_req_dn
1555 * rewritten for subsequent operations; fine for plain suffixmassage,
1556 * but destroys everything else */
1558 rwm_chk_referrals( Operation *op, SlapReply *rs )
1560 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1563 rc = rwm_op_dn_massage( op, rs, "referralCheckDN" );
1564 if ( rc != LDAP_SUCCESS ) {
1565 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1566 send_ldap_error( op, rs, rc, "referralCheckDN massage error" );
1570 return SLAP_CB_CONTINUE;
1582 slap_overinst *on = (slap_overinst *) be->bd_info;
1583 struct ldaprwmap *rwmap =
1584 (struct ldaprwmap *)on->on_bi.bi_private;
1586 return rewrite_parse( rwmap->rwm_rw,
1587 fname, lineno, argc, argv );
1593 rwm_suffixmassage_config(
1600 slap_overinst *on = (slap_overinst *) be->bd_info;
1601 struct ldaprwmap *rwmap =
1602 (struct ldaprwmap *)on->on_bi.bi_private;
1604 struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
1611 * suffixmassage [<suffix>] <massaged suffix>
1613 * the [<suffix>] field must be defined as a valid suffix
1614 * for the current database;
1615 * the <massaged suffix> shouldn't have already been
1616 * defined as a valid suffix for the current server
1619 if ( be->be_suffix == NULL ) {
1620 fprintf( stderr, "%s: line %d: "
1621 " \"suffixMassage [<suffix>]"
1622 " <massaged suffix>\" without "
1623 "<suffix> part requires database "
1624 "suffix be defined first.\n",
1628 bvnc = be->be_suffix[ 0 ];
1631 } else if ( argc == 3 ) {
1632 ber_str2bv( argv[ 1 ], 0, 0, &bvnc );
1636 fprintf( stderr, "%s: line %d: syntax is"
1637 " \"suffixMassage [<suffix>]"
1638 " <massaged suffix>\"\n",
1643 if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
1644 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1645 fname, lineno, bvnc.bv_val );
1649 ber_str2bv( argv[ massaged ], 0, 0, &brnc );
1650 if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
1651 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1652 fname, lineno, brnc.bv_val );
1653 free( nvnc.bv_val );
1654 free( pvnc.bv_val );
1659 * The suffix massaging is emulated
1660 * by means of the rewrite capabilities
1662 rc = rwm_suffix_massage_config( rwmap->rwm_rw,
1663 &pvnc, &nvnc, &prnc, &nrnc );
1664 free( nvnc.bv_val );
1665 free( pvnc.bv_val );
1666 free( nrnc.bv_val );
1667 free( prnc.bv_val );
1680 slap_overinst *on = (slap_overinst *) be->bd_info;
1681 struct ldaprwmap *rwmap =
1682 (struct ldaprwmap *)on->on_bi.bi_private;
1684 /* objectclass/attribute mapping */
1685 return rwm_map_config( &rwmap->rwm_oc,
1687 fname, lineno, argc, argv );
1691 rwm_response( Operation *op, SlapReply *rs )
1693 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1694 struct ldaprwmap *rwmap =
1695 (struct ldaprwmap *)on->on_bi.bi_private;
1699 if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
1700 return rwm_send_entry( op, rs );
1703 switch( op->o_tag ) {
1704 case LDAP_REQ_SEARCH:
1707 case LDAP_REQ_DELETE:
1708 case LDAP_REQ_MODRDN:
1709 case LDAP_REQ_MODIFY:
1710 case LDAP_REQ_COMPARE:
1711 case LDAP_REQ_EXTENDED:
1716 * Rewrite the dn of the referrals, if needed
1719 dc.conn = op->o_conn;
1721 dc.ctx = "referralDN";
1722 rc = rwm_referral_result_rewrite( &dc, rs->sr_ref );
1723 if ( rc != LDAP_SUCCESS ) {
1728 rc = rwm_matched( op, rs );
1732 rc = SLAP_CB_CONTINUE;
1747 slap_overinst *on = (slap_overinst *) be->bd_info;
1748 struct ldaprwmap *rwmap =
1749 (struct ldaprwmap *)on->on_bi.bi_private;
1754 if ( strncasecmp( argv[ 0 ], "rwm-", STRLENOF( "rwm-" ) ) == 0 ) {
1756 argv[ 0 ] = &argv0[ STRLENOF( "rwm-" ) ];
1759 if ( strncasecmp( argv[0], "rewrite", STRLENOF("rewrite") ) == 0 ) {
1760 rc = rwm_rw_config( be, fname, lineno, argc, argv );
1762 } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
1763 rc = rwm_m_config( be, fname, lineno, argc, argv );
1765 } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
1766 rc = rwm_suffixmassage_config( be, fname, lineno, argc, argv );
1768 } else if ( strcasecmp( argv[0], "t-f-support" ) == 0 ) {
1771 "%s: line %d: \"t-f-support {no|yes|discover}\" needs 1 argument.\n",
1776 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1777 rwmap->rwm_flags &= ~(RWM_F_SUPPORT_T_F_MASK2);
1779 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1780 rwmap->rwm_flags |= RWM_F_SUPPORT_T_F;
1782 /* TODO: not implemented yet */
1783 } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
1785 "%s: line %d: \"discover\" not supported yet "
1786 "in \"t-f-support {no|yes|discover}\".\n",
1790 rwmap->rwm_flags |= RWM_F_SUPPORT_T_F_DISCOVER;
1795 "%s: line %d: unknown value \"%s\" for \"t-f-support {no|yes|discover}\".\n",
1796 fname, lineno, argv[ 1 ] );
1800 } else if ( strcasecmp( argv[0], "normalize-mapped-attrs" ) == 0 ) {
1803 "%s: line %d: \"normalize-mapped-attrs {no|yes}\" needs 1 argument.\n",
1808 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1809 rwmap->rwm_flags &= ~(RWM_F_NORMALIZE_MAPPED_ATTRS);
1811 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1812 rwmap->rwm_flags |= RWM_F_NORMALIZE_MAPPED_ATTRS;
1816 rc = SLAP_CONF_UNKNOWN;
1827 * dynamic configuration...
1837 RWM_CF_NORMALIZE_MAPPED,
1842 static slap_verbmasks t_f_mode[] = {
1843 { BER_BVC( "true" ), RWM_F_SUPPORT_T_F },
1844 { BER_BVC( "yes" ), RWM_F_SUPPORT_T_F },
1845 { BER_BVC( "discover" ), RWM_F_SUPPORT_T_F_DISCOVER },
1846 { BER_BVC( "false" ), RWM_F_NONE },
1847 { BER_BVC( "no" ), RWM_F_NONE },
1851 static ConfigDriver rwm_cf_gen;
1853 static ConfigTable rwmcfg[] = {
1854 { "rwm-rewrite", "rewrite",
1855 2, 0, STRLENOF("rwm-rewrite"),
1856 ARG_MAGIC|RWM_CF_REWRITE, rwm_cf_gen,
1857 "( OLcfgOvAt:16.1 NAME 'olcRwmRewrite' "
1858 "DESC 'Rewrites strings' "
1859 "EQUALITY caseIgnoreMatch "
1860 "SYNTAX OMsDirectoryString "
1861 "X-ORDERED 'VALUES' )",
1864 { "rwm-suffixmassage", "[virtual]> <real",
1865 2, 3, 0, ARG_MAGIC|RWM_CF_REWRITE, rwm_cf_gen,
1868 { "rwm-t-f-support", "true|false|discover",
1869 2, 2, 0, ARG_MAGIC|RWM_CF_T_F_SUPPORT, rwm_cf_gen,
1870 "( OLcfgOvAt:16.2 NAME 'olcRwmTFSupport' "
1871 "DESC 'Absolute filters support' "
1872 "SYNTAX OMsDirectoryString "
1876 { "rwm-map", "{objectClass|attribute}",
1877 2, 4, 0, ARG_MAGIC|RWM_CF_MAP, rwm_cf_gen,
1878 "( OLcfgOvAt:16.3 NAME 'olcRwmMap' "
1879 "DESC 'maps attributes/objectClasses' "
1880 "SYNTAX OMsDirectoryString "
1881 "X-ORDERED 'VALUES' )",
1884 { "rwm-normalize-mapped-attrs", "true|false",
1885 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|RWM_CF_NORMALIZE_MAPPED, rwm_cf_gen,
1886 "( OLcfgOvAt:16.4 NAME 'olcRwmNormalizeMapped' "
1887 "DESC 'Normalize mapped attributes/objectClasses' "
1888 "SYNTAX OMsBoolean "
1892 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
1895 static ConfigOCs rwmocs[] = {
1896 { "( OLcfgOvOc:16.1 "
1897 "NAME 'olcRwmConfig' "
1898 "DESC 'Rewrite/remap configuration' "
1899 "SUP olcOverlayConfig "
1902 "olcRwmTFSupport $ "
1904 "olcRwmNormalizeMapped "
1906 Cft_Overlay, rwmcfg, NULL, NULL },
1911 slap_rewrite_unparse( BerVarray in, BerVarray *out )
1914 BerVarray bva = NULL;
1915 char ibuf[32], *ptr;
1918 assert( in != NULL );
1920 for ( i = 0; !BER_BVISNULL( &in[i] ); i++ )
1929 bva = ch_malloc( ( i + 1 ) * sizeof(struct berval) );
1930 BER_BVZERO( &bva[ 0 ] );
1932 for ( i = 0; !BER_BVISNULL( &in[i] ); i++ ) {
1933 idx.bv_len = snprintf( idx.bv_val, sizeof( ibuf ), "{%d}", i );
1934 if ( idx.bv_len >= sizeof( ibuf ) ) {
1935 ber_bvarray_free( bva );
1939 bva[i].bv_len = idx.bv_len + in[i].bv_len;
1940 bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
1941 ptr = lutil_strcopy( bva[i].bv_val, ibuf );
1942 ptr = lutil_strcopy( ptr, in[i].bv_val );
1944 BER_BVZERO( &bva[ i + 1 ] );
1951 rwm_bva_rewrite_add(
1952 struct ldaprwmap *rwmap,
1953 const char *argv[] )
1958 line = ldap_charray2str( argv, "\" \"" );
1959 if ( line != NULL ) {
1960 int len = strlen( argv[ 0 ] );
1962 ber_str2bv( line, 0, 0, &bv );
1963 AC_MEMCPY( &bv.bv_val[ len ], &bv.bv_val[ len + 1 ],
1964 bv.bv_len - ( len + 1 ) );
1965 bv.bv_val[ bv.bv_len - 1 ] = '"';
1966 ber_bvarray_add( &rwmap->rwm_bva_rewrite, &bv );
1973 rwm_info_init( struct ldaprwmap *rwmap )
1977 rwmap->rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
1978 if ( rwmap->rwm_rw == NULL ) {
1982 /* this rewriteContext by default must be null;
1983 * rules can be added if required */
1984 rargv[ 0 ] = "rewriteContext";
1985 rargv[ 1 ] = "searchFilter";
1987 rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 1, 2, rargv );
1989 rargv[ 0 ] = "rewriteContext";
1990 rargv[ 1 ] = "default";
1992 rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 2, 2, rargv );
1998 rwm_cf_gen( ConfigArgs *c )
2000 slap_overinst *on = (slap_overinst *)c->bi;
2001 struct ldaprwmap *rwmap =
2002 (struct ldaprwmap *)on->on_bi.bi_private;
2012 if ( c->op == SLAP_CONFIG_EMIT ) {
2013 struct berval bv = BER_BVNULL;
2015 switch ( c->type ) {
2016 case RWM_CF_REWRITE:
2017 if ( rwmap->rwm_bva_rewrite == NULL ) {
2021 slap_rewrite_unparse( rwmap->rwm_bva_rewrite, &c->rvalue_vals );
2022 if ( !c->rvalue_vals ) {
2028 case RWM_CF_T_F_SUPPORT:
2029 enum_to_verb( t_f_mode, (rwmap->rwm_flags & RWM_F_SUPPORT_T_F_MASK2), &bv );
2030 if ( BER_BVISNULL( &bv ) ) {
2031 /* there's something wrong... */
2036 value_add_one( &c->rvalue_vals, &bv );
2041 if ( rwmap->rwm_bva_map == NULL ) {
2045 value_add( &c->rvalue_vals, rwmap->rwm_bva_map );
2049 case RWM_CF_NORMALIZE_MAPPED:
2050 c->value_int = ( rwmap->rwm_flags & RWM_F_NORMALIZE_MAPPED_ATTRS );
2060 } else if ( c->op == LDAP_MOD_DELETE ) {
2061 switch ( c->type ) {
2062 case RWM_CF_REWRITE:
2063 if ( c->valx >= 0 ) {
2066 } else if ( rwmap->rwm_rw != NULL ) {
2067 rewrite_info_delete( &rwmap->rwm_rw );
2068 assert( rwmap->rwm_rw == NULL );
2070 ber_bvarray_free( rwmap->rwm_bva_rewrite );
2071 rwmap->rwm_bva_rewrite = NULL;
2073 rc = rwm_info_init( rwmap );
2077 case RWM_CF_T_F_SUPPORT:
2078 rwmap->rwm_flags &= ~RWM_F_SUPPORT_T_F_MASK2;
2082 if ( c->valx >= 0 ) {
2083 /* single modification is not allowed */
2087 avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
2088 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
2089 avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
2090 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
2092 rwmap->rwm_oc.remap = NULL;
2093 rwmap->rwm_oc.map = NULL;
2094 rwmap->rwm_at.remap = NULL;
2095 rwmap->rwm_at.map = NULL;
2097 ber_bvarray_free( rwmap->rwm_bva_map );
2098 rwmap->rwm_bva_map = NULL;
2102 case RWM_CF_NORMALIZE_MAPPED:
2103 rwmap->rwm_flags &= ~RWM_F_NORMALIZE_MAPPED_ATTRS;
2112 if ( strncasecmp( c->argv[ 0 ], "olcRwm", STRLENOF( "olcRwm" ) ) == 0 ) {
2116 switch ( c->type ) {
2117 case RWM_CF_REWRITE:
2118 if ( c->valx >= 0 ) {
2122 argv0 = c->argv[ idx0 ];
2123 if ( strncasecmp( argv0, "rwm-", STRLENOF( "rwm-" ) ) != 0 ) {
2126 c->argv[ idx0 ] += STRLENOF( "rwm-" );
2127 if ( strcasecmp( c->argv[ idx0 ], "suffixmassage" ) == 0 ) {
2128 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno,
2129 c->argc - idx0, &c->argv[ idx0 ] );
2132 rc = rwm_rw_config( &db, c->fname, c->lineno,
2133 c->argc - idx0, &c->argv[ idx0 ] );
2135 c->argv[ idx0 ] = argv0;
2140 rwm_bva_rewrite_add( rwmap, &c->argv[ idx0 ] );
2144 case RWM_CF_T_F_SUPPORT:
2145 rc = verb_to_mask( c->argv[ 1 ], t_f_mode );
2146 if ( BER_BVISNULL( &t_f_mode[ rc ].word ) ) {
2150 rwmap->rwm_flags &= ~RWM_F_SUPPORT_T_F_MASK2;
2151 rwmap->rwm_flags |= t_f_mode[ rc ].mask;
2156 if ( c->valx >= 0 ) {
2160 argv0 = c->argv[ 0 ];
2161 c->argv[ 0 ] += STRLENOF( "rwm-" );
2162 rc = rwm_m_config( &db, c->fname, c->lineno, c->argc, c->argv );
2163 c->argv[ 0 ] = argv0;
2171 line = ldap_charray2str( &c->argv[ 1 ], " " );
2172 if ( line != NULL ) {
2173 ber_str2bv( line, 0, 0, &bv );
2174 ber_bvarray_add( &rwmap->rwm_bva_map, &bv );
2179 case RWM_CF_NORMALIZE_MAPPED:
2180 if ( c->value_int ) {
2181 rwmap->rwm_flags |= RWM_F_NORMALIZE_MAPPED_ATTRS;
2183 rwmap->rwm_flags &= ~RWM_F_NORMALIZE_MAPPED_ATTRS;
2200 slap_overinst *on = (slap_overinst *) be->bd_info;
2201 struct ldaprwmap *rwmap;
2204 rwmap = (struct ldaprwmap *)ch_calloc( 1, sizeof( struct ldaprwmap ) );
2206 rc = rwm_info_init( rwmap );
2209 on->on_bi.bi_private = (void *)rwmap;
2212 (void)rwm_db_destroy( be, NULL );
2223 slap_overinst *on = (slap_overinst *) be->bd_info;
2226 if ( on->on_bi.bi_private ) {
2227 struct ldaprwmap *rwmap =
2228 (struct ldaprwmap *)on->on_bi.bi_private;
2230 if ( rwmap->rwm_rw ) {
2231 rewrite_info_delete( &rwmap->rwm_rw );
2232 ber_bvarray_free( rwmap->rwm_bva_rewrite );
2235 avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
2236 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
2237 avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
2238 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
2239 ber_bvarray_free( rwmap->rwm_bva_map );
2247 static slap_overinst rwm = { { NULL } };
2249 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
2251 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
2253 rwm_initialize( void )
2257 /* Make sure we don't exceed the bits reserved for userland */
2258 config_check_userland( RWM_CF_LAST );
2260 memset( &rwm, 0, sizeof( slap_overinst ) );
2262 rwm.on_bi.bi_type = "rwm";
2263 rwm.on_bi.bi_flags =
2264 SLAPO_BFLAG_SINGLE |
2267 rwm.on_bi.bi_db_init = rwm_db_init;
2268 rwm.on_bi.bi_db_config = rwm_db_config;
2269 rwm.on_bi.bi_db_destroy = rwm_db_destroy;
2271 rwm.on_bi.bi_op_bind = rwm_op_bind;
2272 rwm.on_bi.bi_op_search = rwm_op_search;
2273 rwm.on_bi.bi_op_compare = rwm_op_compare;
2274 rwm.on_bi.bi_op_modify = rwm_op_modify;
2275 rwm.on_bi.bi_op_modrdn = rwm_op_modrdn;
2276 rwm.on_bi.bi_op_add = rwm_op_add;
2277 rwm.on_bi.bi_op_delete = rwm_op_delete;
2278 rwm.on_bi.bi_op_unbind = rwm_op_unbind;
2279 rwm.on_bi.bi_extended = rwm_extended;
2281 rwm.on_bi.bi_entry_release_rw = rwm_entry_release_rw;
2282 rwm.on_bi.bi_entry_get_rw = rwm_entry_get_rw;
2285 rwm.on_bi.bi_operational = rwm_operational;
2286 rwm.on_bi.bi_chk_referrals = 0 /* rwm_chk_referrals */ ;
2288 rwm.on_bi.bi_connection_init = rwm_conn_init;
2289 rwm.on_bi.bi_connection_destroy = rwm_conn_destroy;
2291 rwm.on_response = rwm_response;
2293 rwm.on_bi.bi_cf_ocs = rwmocs;
2295 rc = config_register_schema( rwmcfg, rwmocs );
2300 return overlay_register( &rwm );
2303 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
2305 init_module( int argc, char *argv[] )
2307 return rwm_initialize();
2309 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
2311 #endif /* SLAPD_OVER_RWM */