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 && BER_BVISNULL( &e->e_bv ) ) {
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 };
850 struct berval mndn = BER_BVNULL;
852 if ( ((BackendInfo *)on->on_info->oi_orig)->bi_entry_get_rw == NULL ) {
853 return SLAP_CB_CONTINUE;
857 op2.o_tag = LDAP_REQ_SEARCH;
860 op2.o_req_ndn = *ndn;
861 rc = rwm_op_dn_massage( &op2, &rs, "searchDN", &ros );
862 if ( rc != LDAP_SUCCESS ) {
866 mndn = BER_BVISNULL( &ros.r_ndn ) ? *ndn : ros.r_ndn;
868 /* map attribute & objectClass */
878 op2.o_bd->bd_info = (BackendInfo *)on->on_info->oi_orig;
879 op2.ors_attrs = slap_anlist_all_attributes;
880 rc = op2.o_bd->bd_info->bi_entry_get_rw( &op2, &mndn, oc, at, rw, ep );
881 if ( rc == LDAP_SUCCESS && *ep != NULL ) {
884 /* duplicate & release */
885 op2.o_bd->bd_info = (BackendInfo *)on;
886 rc = rwm_send_entry( &op2, &rs );
887 if ( rc == SLAP_CB_CONTINUE ) {
893 if ( !BER_BVISNULL( &ros.r_ndn) && ros.r_ndn.bv_val != ndn->bv_val ) {
894 op->o_tmpfree( ros.r_ndn.bv_val, op->o_tmpmemctx );
901 rwm_op_search( Operation *op, SlapReply *rs )
903 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
904 struct ldaprwmap *rwmap =
905 (struct ldaprwmap *)on->on_bi.bi_private;
910 struct berval fstr = BER_BVNULL;
913 AttributeName *an = NULL;
917 rwm_op_cb *roc = rwm_callback_get( op, rs );
919 rc = rewrite_session_var_set( rwmap->rwm_rw, op->o_conn,
920 "searchFilter", op->ors_filterstr.bv_val );
921 if ( rc == LDAP_SUCCESS )
922 rc = rwm_op_dn_massage( op, rs, "searchDN", &roc->ros );
923 if ( rc != LDAP_SUCCESS ) {
924 text = "searchDN massage error";
929 * Rewrite the dn if needed
932 dc.conn = op->o_conn;
934 dc.ctx = "searchFilterAttrDN";
936 rc = rwm_filter_map_rewrite( op, &dc, op->ors_filter, &fstr );
937 if ( rc != LDAP_SUCCESS ) {
938 text = "searchFilter/searchFilterAttrDN massage error";
942 f = str2filter_x( op, fstr.bv_val );
945 text = "massaged filter parse error";
950 op->ors_filterstr = fstr;
952 rc = rwm_map_attrnames( &rwmap->rwm_at, &rwmap->rwm_oc,
953 op->ors_attrs, &an, RWM_MAP );
954 if ( rc != LDAP_SUCCESS ) {
955 text = "attribute list mapping error";
960 /* store the mapped Attributes for later usage, in
961 * the case that other overlays change op->ors_attrs */
962 roc->ros.mapped_attrs = an;
963 roc->cb.sc_response = rwm_swap_attrs;
965 op->o_callback = &roc->cb;
967 return SLAP_CB_CONTINUE;
975 filter_free_x( op, f, 1 );
978 if ( !BER_BVISNULL( &fstr ) ) {
979 ch_free( fstr.bv_val );
982 rwm_op_rollback( op, rs, &roc->ros );
983 op->oq_search = roc->ros.oq_search;
984 op->o_tmpfree( roc, op->o_tmpmemctx );
986 op->o_bd->bd_info = (BackendInfo *)on->on_info;
987 send_ldap_error( op, rs, rc, text );
994 rwm_exop_passwd( Operation *op, SlapReply *rs )
996 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1000 struct berval id = BER_BVNULL,
1003 BerElement *ber = NULL;
1005 if ( !BER_BVISNULL( &op->o_req_ndn ) ) {
1006 return LDAP_SUCCESS;
1009 if ( !SLAP_ISGLOBALOVERLAY( op->o_bd ) ) {
1010 rs->sr_err = LDAP_OTHER;
1014 rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
1015 &pwold, &pwnew, &rs->sr_text );
1016 if ( rs->sr_err != LDAP_SUCCESS ) {
1020 if ( !BER_BVISNULL( &id ) ) {
1021 char idNul = id.bv_val[id.bv_len];
1022 id.bv_val[id.bv_len] = '\0';
1023 rs->sr_err = dnPrettyNormal( NULL, &id, &op->o_req_dn,
1024 &op->o_req_ndn, op->o_tmpmemctx );
1025 id.bv_val[id.bv_len] = idNul;
1026 if ( rs->sr_err != LDAP_SUCCESS ) {
1027 rs->sr_text = "Invalid DN";
1032 ber_dupbv_x( &op->o_req_dn, &op->o_dn, op->o_tmpmemctx );
1033 ber_dupbv_x( &op->o_req_ndn, &op->o_ndn, op->o_tmpmemctx );
1036 roc = rwm_callback_get( op, rs );
1038 rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
1039 if ( rc != LDAP_SUCCESS ) {
1040 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1041 send_ldap_error( op, rs, rc, "extendedDN massage error" );
1045 ber = ber_alloc_t( LBER_USE_DER );
1047 rs->sr_err = LDAP_OTHER;
1048 rs->sr_text = "No memory";
1051 ber_printf( ber, "{" );
1052 if ( !BER_BVISNULL( &id )) {
1053 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_ID,
1056 if ( !BER_BVISNULL( &pwold )) {
1057 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_OLD, &pwold );
1059 if ( !BER_BVISNULL( &pwnew )) {
1060 ber_printf( ber, "tO", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, &pwnew );
1062 ber_printf( ber, "N}" );
1063 ber_flatten( ber, &op->ore_reqdata );
1066 op->o_callback = &roc->cb;
1068 return SLAP_CB_CONTINUE;
1071 static struct exop {
1073 BI_op_extended *extended;
1075 { BER_BVC(LDAP_EXOP_MODIFY_PASSWD), rwm_exop_passwd },
1076 { BER_BVNULL, NULL }
1080 rwm_extended( Operation *op, SlapReply *rs )
1082 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1088 for ( i = 0; exop_table[i].extended != NULL; i++ ) {
1089 if ( bvmatch( &exop_table[i].oid, &op->oq_extended.rs_reqoid ) )
1091 rc = exop_table[i].extended( op, rs );
1096 case SLAP_CB_CONTINUE:
1101 send_ldap_result( op, rs );
1108 roc = rwm_callback_get( op, rs );
1110 rc = rwm_op_dn_massage( op, rs, "extendedDN", &roc->ros );
1111 if ( rc != LDAP_SUCCESS ) {
1112 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1113 send_ldap_error( op, rs, rc, "extendedDN massage error" );
1117 /* TODO: rewrite/map extended data ? ... */
1118 op->o_callback = &roc->cb;
1120 return SLAP_CB_CONTINUE;
1124 rwm_matched( Operation *op, SlapReply *rs )
1126 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1127 struct ldaprwmap *rwmap =
1128 (struct ldaprwmap *)on->on_bi.bi_private;
1130 struct berval dn, mdn;
1134 if ( rs->sr_matched == NULL ) {
1135 return SLAP_CB_CONTINUE;
1139 dc.conn = op->o_conn;
1141 dc.ctx = "matchedDN";
1142 ber_str2bv( rs->sr_matched, 0, 0, &dn );
1144 rc = rwm_dn_massage_pretty( &dc, &dn, &mdn );
1145 if ( rc != LDAP_SUCCESS ) {
1147 rs->sr_text = "Rewrite error";
1151 if ( mdn.bv_val != dn.bv_val ) {
1152 if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
1153 ch_free( (void *)rs->sr_matched );
1156 rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
1158 rs->sr_matched = mdn.bv_val;
1161 return SLAP_CB_CONTINUE;
1165 rwm_attrs( Operation *op, SlapReply *rs, Attribute** a_first, int stripEntryDN )
1167 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1168 struct ldaprwmap *rwmap =
1169 (struct ldaprwmap *)on->on_bi.bi_private;
1175 int check_duplicate_attrs = 0;
1178 * Rewrite the dn attrs, if needed
1181 dc.conn = op->o_conn;
1184 /* FIXME: the entries are in the remote mapping form;
1185 * so we need to select those attributes we are willing
1186 * to return, and remap them accordingly */
1188 /* FIXME: in principle, one could map an attribute
1189 * on top of another, which already exists.
1190 * As such, in the end there might exist more than
1191 * one instance of an attribute.
1192 * We should at least check if this occurs, and issue
1193 * an error (because multiple instances of attrs in
1194 * response are not valid), or merge the values (what
1195 * about duplicate values?) */
1196 isupdate = be_shadow_update( op );
1197 for ( ap = a_first; *ap; ) {
1198 struct ldapmapping *mapping = NULL;
1203 if ( ( rwmap->rwm_flags & RWM_F_DROP_UNREQUESTED_ATTRS ) &&
1204 op->ors_attrs != NULL &&
1205 !SLAP_USERATTRS( rs->sr_attr_flags ) &&
1206 !ad_inlist( (*ap)->a_desc, op->ors_attrs ) )
1211 drop_missing = rwm_mapping( &rwmap->rwm_at,
1212 &(*ap)->a_desc->ad_cname, &mapping, RWM_REMAP );
1213 if ( drop_missing || ( mapping != NULL && BER_BVISEMPTY( &mapping->m_dst ) ) )
1217 if ( mapping != NULL ) {
1218 assert( mapping->m_dst_ad != NULL );
1220 /* try to normalize mapped Attributes if the original
1221 * AttributeType was not normalized */
1222 if ( (!(*ap)->a_desc->ad_type->sat_equality ||
1223 !(*ap)->a_desc->ad_type->sat_equality->smr_normalize) &&
1224 mapping->m_dst_ad->ad_type->sat_equality &&
1225 mapping->m_dst_ad->ad_type->sat_equality->smr_normalize )
1227 if ((rwmap->rwm_flags & RWM_F_NORMALIZE_MAPPED_ATTRS))
1231 last = (*ap)->a_numvals;
1234 (*ap)->a_nvals = ch_malloc( (last+1) * sizeof(struct berval) );
1236 for ( i = 0; !BER_BVISNULL( &(*ap)->a_vals[i]); i++ ) {
1239 * check that each value is valid per syntax
1240 * and pretty if appropriate
1242 rc = mapping->m_dst_ad->ad_type->sat_equality->smr_normalize(
1243 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
1244 mapping->m_dst_ad->ad_type->sat_syntax,
1245 mapping->m_dst_ad->ad_type->sat_equality,
1246 &(*ap)->a_vals[i], &(*ap)->a_nvals[i],
1249 if ( rc != LDAP_SUCCESS ) {
1250 BER_BVZERO( &(*ap)->a_nvals[i] );
1253 BER_BVZERO( &(*ap)->a_nvals[i] );
1257 assert( (*ap)->a_nvals == (*ap)->a_vals );
1258 (*ap)->a_nvals = NULL;
1259 ber_bvarray_dup_x( &(*ap)->a_nvals, (*ap)->a_vals, NULL );
1263 /* rewrite the attribute description */
1264 (*ap)->a_desc = mapping->m_dst_ad;
1266 /* will need to check for duplicate attrs */
1267 check_duplicate_attrs++;
1270 if ( (*ap)->a_desc == slap_schema.si_ad_entryDN ) {
1271 if ( stripEntryDN ) {
1272 /* will be generated by frontend */
1276 } else if ( !isupdate
1278 && (*ap)->a_desc->ad_type->sat_no_user_mod
1279 && (*ap)->a_desc->ad_type != slap_schema.si_at_undefined )
1284 if ( last == -1 ) { /* not yet counted */
1285 last = (*ap)->a_numvals;
1289 /* empty? leave it in place because of attrsonly and vlv */
1294 if ( (*ap)->a_desc == slap_schema.si_ad_objectClass
1295 || (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
1299 for ( bv = (*ap)->a_vals; !BER_BVISNULL( bv ); bv++ ) {
1300 struct berval mapped;
1302 rwm_map( &rwmap->rwm_oc, &bv[0], &mapped, RWM_REMAP );
1303 if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
1305 ch_free( bv[0].bv_val );
1306 BER_BVZERO( &bv[0] );
1307 if ( &(*ap)->a_vals[last] > &bv[0] ) {
1308 bv[0] = (*ap)->a_vals[last];
1309 BER_BVZERO( &(*ap)->a_vals[last] );
1314 } else if ( mapped.bv_val != bv[0].bv_val
1315 && ber_bvstrcasecmp( &mapped, &bv[0] ) != 0 )
1319 for ( i = 0; !BER_BVISNULL( &(*ap)->a_vals[ i ] ); i++ ) {
1320 if ( &(*ap)->a_vals[ i ] == bv ) {
1324 if ( ber_bvstrcasecmp( &mapped, &(*ap)->a_vals[ i ] ) == 0 ) {
1329 if ( !BER_BVISNULL( &(*ap)->a_vals[ i ] ) ) {
1334 * FIXME: after LBER_FREEing
1335 * the value is replaced by
1336 * ch_alloc'ed memory
1338 ber_bvreplace( &bv[0], &mapped );
1340 /* FIXME: will need to check
1341 * if the structuralObjectClass
1347 * It is necessary to try to rewrite attributes with
1348 * dn syntax because they might be used in ACLs as
1349 * members of groups; since ACLs are applied to the
1350 * rewritten stuff, no dn-based subject clause could
1351 * be used at the ldap backend side (see
1352 * http://www.OpenLDAP.org/faq/data/cache/452.html)
1353 * The problem can be overcome by moving the dn-based
1354 * ACLs to the target directory server, and letting
1355 * everything pass thru the ldap backend. */
1356 /* FIXME: handle distinguishedName-like syntaxes, like
1357 * nameAndOptionalUID */
1358 } else if ( (*ap)->a_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName
1359 || ( mapping != NULL && mapping->m_src_ad->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) )
1361 dc.ctx = "searchAttrDN";
1362 rc = rwm_dnattr_result_rewrite( &dc, (*ap)->a_vals, (*ap)->a_nvals );
1363 if ( rc != LDAP_SUCCESS ) {
1367 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
1368 dc.ctx = "searchAttrDN";
1369 rc = rwm_referral_result_rewrite( &dc, (*ap)->a_vals );
1370 if ( rc != LDAP_SUCCESS ) {
1377 ap = &(*ap)->a_next;
1382 *ap = (*ap)->a_next;
1387 /* only check if some mapping occurred */
1388 if ( check_duplicate_attrs ) {
1389 for ( ap = a_first; *ap != NULL; ap = &(*ap)->a_next ) {
1392 for ( tap = &(*ap)->a_next; *tap != NULL; ) {
1393 if ( (*tap)->a_desc == (*ap)->a_desc ) {
1395 Modification mod = { 0 };
1396 const char *text = NULL;
1397 char textbuf[ SLAP_TEXT_BUFLEN ];
1398 Attribute *next = (*tap)->a_next;
1400 BER_BVSTR( &e.e_name, "" );
1401 BER_BVSTR( &e.e_nname, "" );
1403 mod.sm_op = LDAP_MOD_ADD;
1404 mod.sm_desc = (*ap)->a_desc;
1405 mod.sm_type = mod.sm_desc->ad_cname;
1406 mod.sm_numvals = (*tap)->a_numvals;
1407 mod.sm_values = (*tap)->a_vals;
1408 if ( (*tap)->a_nvals != (*tap)->a_vals ) {
1409 mod.sm_nvalues = (*tap)->a_nvals;
1412 (void)modify_add_values( &e, &mod,
1414 &text, textbuf, sizeof( textbuf ) );
1416 /* should not insert new attrs! */
1417 assert( e.e_attrs == *ap );
1423 tap = &(*tap)->a_next;
1433 rwm_send_entry( Operation *op, SlapReply *rs )
1435 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1436 struct ldaprwmap *rwmap =
1437 (struct ldaprwmap *)on->on_bi.bi_private;
1441 struct berval dn = BER_BVNULL,
1446 assert( rs->sr_entry != NULL );
1449 * Rewrite the dn of the result, if needed
1452 dc.conn = op->o_conn;
1454 dc.ctx = "searchEntryDN";
1457 flags = rs->sr_flags;
1458 if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
1459 /* FIXME: all we need to duplicate are:
1462 * - attributes that are requested
1463 * - no values if attrsonly is set
1468 rc = LDAP_NO_MEMORY;
1472 flags &= ~REP_ENTRY_MUSTRELEASE;
1473 flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
1477 * Note: this may fail if the target host(s) schema differs
1478 * from the one known to the meta, and a DN with unknown
1479 * attributes is returned.
1483 rc = rwm_dn_massage_pretty_normalize( &dc, &e->e_name, &dn, &ndn );
1484 if ( rc != LDAP_SUCCESS ) {
1489 if ( e->e_name.bv_val != dn.bv_val ) {
1490 ch_free( e->e_name.bv_val );
1491 ch_free( e->e_nname.bv_val );
1497 /* TODO: map entry attribute types, objectclasses
1498 * and dn-valued attribute values */
1500 /* FIXME: the entries are in the remote mapping form;
1501 * so we need to select those attributes we are willing
1502 * to return, and remap them accordingly */
1503 (void)rwm_attrs( op, rs, &e->e_attrs, 1 );
1505 if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
1506 overlay_entry_release_ov( op, rs->sr_entry, 0, on );
1510 rs->sr_flags = flags;
1512 return SLAP_CB_CONTINUE;
1515 if ( e != NULL && e != rs->sr_entry ) {
1516 if ( e->e_name.bv_val == dn.bv_val ) {
1517 BER_BVZERO( &e->e_name );
1520 if ( e->e_nname.bv_val == ndn.bv_val ) {
1521 BER_BVZERO( &e->e_nname );
1527 if ( !BER_BVISNULL( &dn ) ) {
1528 ch_free( dn.bv_val );
1531 if ( !BER_BVISNULL( &ndn ) ) {
1532 ch_free( ndn.bv_val );
1539 rwm_operational( Operation *op, SlapReply *rs )
1541 /* FIXME: the entries are in the remote mapping form;
1542 * so we need to select those attributes we are willing
1543 * to return, and remap them accordingly */
1544 if ( rs->sr_operational_attrs ) {
1545 rwm_attrs( op, rs, &rs->sr_operational_attrs, 1 );
1548 return SLAP_CB_CONTINUE;
1552 /* don't use this; it cannot be reverted, and leaves op->o_req_dn
1553 * rewritten for subsequent operations; fine for plain suffixmassage,
1554 * but destroys everything else */
1556 rwm_chk_referrals( Operation *op, SlapReply *rs )
1558 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
1561 rc = rwm_op_dn_massage( op, rs, "referralCheckDN" );
1562 if ( rc != LDAP_SUCCESS ) {
1563 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1564 send_ldap_error( op, rs, rc, "referralCheckDN massage error" );
1568 return SLAP_CB_CONTINUE;
1580 slap_overinst *on = (slap_overinst *) be->bd_info;
1581 struct ldaprwmap *rwmap =
1582 (struct ldaprwmap *)on->on_bi.bi_private;
1584 return rewrite_parse( rwmap->rwm_rw,
1585 fname, lineno, argc, argv );
1591 rwm_suffixmassage_config(
1598 slap_overinst *on = (slap_overinst *) be->bd_info;
1599 struct ldaprwmap *rwmap =
1600 (struct ldaprwmap *)on->on_bi.bi_private;
1602 struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
1609 * suffixmassage [<suffix>] <massaged suffix>
1611 * the [<suffix>] field must be defined as a valid suffix
1612 * for the current database;
1613 * the <massaged suffix> shouldn't have already been
1614 * defined as a valid suffix for the current server
1617 if ( be->be_suffix == NULL ) {
1618 fprintf( stderr, "%s: line %d: "
1619 " \"suffixMassage [<suffix>]"
1620 " <massaged suffix>\" without "
1621 "<suffix> part requires database "
1622 "suffix be defined first.\n",
1626 bvnc = be->be_suffix[ 0 ];
1629 } else if ( argc == 3 ) {
1630 ber_str2bv( argv[ 1 ], 0, 0, &bvnc );
1634 fprintf( stderr, "%s: line %d: syntax is"
1635 " \"suffixMassage [<suffix>]"
1636 " <massaged suffix>\"\n",
1641 if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
1642 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1643 fname, lineno, bvnc.bv_val );
1647 ber_str2bv( argv[ massaged ], 0, 0, &brnc );
1648 if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
1649 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1650 fname, lineno, brnc.bv_val );
1651 free( nvnc.bv_val );
1652 free( pvnc.bv_val );
1657 * The suffix massaging is emulated
1658 * by means of the rewrite capabilities
1660 rc = rwm_suffix_massage_config( rwmap->rwm_rw,
1661 &pvnc, &nvnc, &prnc, &nrnc );
1662 free( nvnc.bv_val );
1663 free( pvnc.bv_val );
1664 free( nrnc.bv_val );
1665 free( prnc.bv_val );
1678 slap_overinst *on = (slap_overinst *) be->bd_info;
1679 struct ldaprwmap *rwmap =
1680 (struct ldaprwmap *)on->on_bi.bi_private;
1682 /* objectclass/attribute mapping */
1683 return rwm_map_config( &rwmap->rwm_oc,
1685 fname, lineno, argc, argv );
1689 rwm_response( Operation *op, SlapReply *rs )
1691 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1692 struct ldaprwmap *rwmap =
1693 (struct ldaprwmap *)on->on_bi.bi_private;
1697 if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
1698 return rwm_send_entry( op, rs );
1701 switch( op->o_tag ) {
1702 case LDAP_REQ_SEARCH:
1705 case LDAP_REQ_DELETE:
1706 case LDAP_REQ_MODRDN:
1707 case LDAP_REQ_MODIFY:
1708 case LDAP_REQ_COMPARE:
1709 case LDAP_REQ_EXTENDED:
1714 * Rewrite the dn of the referrals, if needed
1717 dc.conn = op->o_conn;
1719 dc.ctx = "referralDN";
1720 rc = rwm_referral_result_rewrite( &dc, rs->sr_ref );
1721 if ( rc != LDAP_SUCCESS ) {
1726 rc = rwm_matched( op, rs );
1730 rc = SLAP_CB_CONTINUE;
1745 slap_overinst *on = (slap_overinst *) be->bd_info;
1746 struct ldaprwmap *rwmap =
1747 (struct ldaprwmap *)on->on_bi.bi_private;
1752 if ( strncasecmp( argv[ 0 ], "rwm-", STRLENOF( "rwm-" ) ) == 0 ) {
1754 argv[ 0 ] = &argv0[ STRLENOF( "rwm-" ) ];
1757 if ( strncasecmp( argv[0], "rewrite", STRLENOF("rewrite") ) == 0 ) {
1758 rc = rwm_rw_config( be, fname, lineno, argc, argv );
1760 } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
1761 rc = rwm_m_config( be, fname, lineno, argc, argv );
1763 } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
1764 rc = rwm_suffixmassage_config( be, fname, lineno, argc, argv );
1766 } else if ( strcasecmp( argv[0], "t-f-support" ) == 0 ) {
1769 "%s: line %d: \"t-f-support {no|yes|discover}\" needs 1 argument.\n",
1774 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1775 rwmap->rwm_flags &= ~(RWM_F_SUPPORT_T_F_MASK2);
1777 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1778 rwmap->rwm_flags |= RWM_F_SUPPORT_T_F;
1780 /* TODO: not implemented yet */
1781 } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
1783 "%s: line %d: \"discover\" not supported yet "
1784 "in \"t-f-support {no|yes|discover}\".\n",
1788 rwmap->rwm_flags |= RWM_F_SUPPORT_T_F_DISCOVER;
1793 "%s: line %d: unknown value \"%s\" for \"t-f-support {no|yes|discover}\".\n",
1794 fname, lineno, argv[ 1 ] );
1798 } else if ( strcasecmp( argv[0], "normalize-mapped-attrs" ) == 0 ) {
1801 "%s: line %d: \"normalize-mapped-attrs {no|yes}\" needs 1 argument.\n",
1806 if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) {
1807 rwmap->rwm_flags &= ~(RWM_F_NORMALIZE_MAPPED_ATTRS);
1809 } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) {
1810 rwmap->rwm_flags |= RWM_F_NORMALIZE_MAPPED_ATTRS;
1814 rc = SLAP_CONF_UNKNOWN;
1825 * dynamic configuration...
1835 RWM_CF_NORMALIZE_MAPPED,
1836 RWM_CF_DROP_UNREQUESTED,
1841 static slap_verbmasks t_f_mode[] = {
1842 { BER_BVC( "true" ), RWM_F_SUPPORT_T_F },
1843 { BER_BVC( "yes" ), RWM_F_SUPPORT_T_F },
1844 { BER_BVC( "discover" ), RWM_F_SUPPORT_T_F_DISCOVER },
1845 { BER_BVC( "false" ), RWM_F_NONE },
1846 { BER_BVC( "no" ), RWM_F_NONE },
1850 static ConfigDriver rwm_cf_gen;
1852 static ConfigTable rwmcfg[] = {
1853 { "rwm-rewrite", "rewrite",
1854 2, 0, STRLENOF("rwm-rewrite"),
1855 ARG_MAGIC|RWM_CF_REWRITE, rwm_cf_gen,
1856 "( OLcfgOvAt:16.1 NAME 'olcRwmRewrite' "
1857 "DESC 'Rewrites strings' "
1858 "EQUALITY caseIgnoreMatch "
1859 "SYNTAX OMsDirectoryString "
1860 "X-ORDERED 'VALUES' )",
1863 { "rwm-suffixmassage", "[virtual]> <real",
1864 2, 3, 0, ARG_MAGIC|RWM_CF_REWRITE, rwm_cf_gen,
1867 { "rwm-t-f-support", "true|false|discover",
1868 2, 2, 0, ARG_MAGIC|RWM_CF_T_F_SUPPORT, rwm_cf_gen,
1869 "( OLcfgOvAt:16.2 NAME 'olcRwmTFSupport' "
1870 "DESC 'Absolute filters support' "
1871 "SYNTAX OMsDirectoryString "
1875 { "rwm-map", "{objectClass|attribute}",
1876 2, 4, 0, ARG_MAGIC|RWM_CF_MAP, rwm_cf_gen,
1877 "( OLcfgOvAt:16.3 NAME 'olcRwmMap' "
1878 "DESC 'maps attributes/objectClasses' "
1879 "SYNTAX OMsDirectoryString "
1880 "X-ORDERED 'VALUES' )",
1883 { "rwm-normalize-mapped-attrs", "true|false",
1884 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|RWM_CF_NORMALIZE_MAPPED, rwm_cf_gen,
1885 "( OLcfgOvAt:16.4 NAME 'olcRwmNormalizeMapped' "
1886 "DESC 'Normalize mapped attributes/objectClasses' "
1887 "SYNTAX OMsBoolean "
1891 { "rwm-drop-unrequested-attrs", "true|false",
1892 2, 2, 0, ARG_MAGIC|ARG_ON_OFF|RWM_CF_DROP_UNREQUESTED, rwm_cf_gen,
1893 "( OLcfgOvAt:16.5 NAME 'olcRwmDropUnrequested' "
1894 "DESC 'Drop unrequested attributes' "
1895 "SYNTAX OMsBoolean "
1899 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
1902 static ConfigOCs rwmocs[] = {
1903 { "( OLcfgOvOc:16.1 "
1904 "NAME 'olcRwmConfig' "
1905 "DESC 'Rewrite/remap configuration' "
1906 "SUP olcOverlayConfig "
1909 "olcRwmTFSupport $ "
1911 "olcRwmNormalizeMapped "
1913 Cft_Overlay, rwmcfg, NULL, NULL },
1918 slap_rewrite_unparse( BerVarray in, BerVarray *out )
1921 BerVarray bva = NULL;
1922 char ibuf[32], *ptr;
1925 assert( in != NULL );
1927 for ( i = 0; !BER_BVISNULL( &in[i] ); i++ )
1936 bva = ch_malloc( ( i + 1 ) * sizeof(struct berval) );
1937 BER_BVZERO( &bva[ 0 ] );
1939 for ( i = 0; !BER_BVISNULL( &in[i] ); i++ ) {
1940 idx.bv_len = snprintf( idx.bv_val, sizeof( ibuf ), "{%d}", i );
1941 if ( idx.bv_len >= sizeof( ibuf ) ) {
1942 ber_bvarray_free( bva );
1946 bva[i].bv_len = idx.bv_len + in[i].bv_len;
1947 bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
1948 ptr = lutil_strcopy( bva[i].bv_val, ibuf );
1949 ptr = lutil_strcopy( ptr, in[i].bv_val );
1951 BER_BVZERO( &bva[ i + 1 ] );
1958 rwm_bva_rewrite_add(
1959 struct ldaprwmap *rwmap,
1966 line = ldap_charray2str( argv, "\" \"" );
1967 if ( line != NULL ) {
1968 int len = strlen( argv[ 0 ] );
1970 ber_str2bv( line, 0, 0, &bv );
1971 AC_MEMCPY( &bv.bv_val[ len ], &bv.bv_val[ len + 1 ],
1972 bv.bv_len - ( len + 1 ) );
1973 bv.bv_val[ bv.bv_len - 1 ] = '"';
1976 ber_bvarray_add( &rwmap->rwm_bva_rewrite, &bv );
1979 rwmap->rwm_bva_rewrite[ idx ] = bv;
1987 rwm_info_init( struct rewrite_info ** rwm_rw )
1991 *rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
1992 if ( *rwm_rw == NULL ) {
1996 /* this rewriteContext by default must be null;
1997 * rules can be added if required */
1998 rargv[ 0 ] = "rewriteContext";
1999 rargv[ 1 ] = "searchFilter";
2001 rewrite_parse( *rwm_rw, "<suffix massage>", 1, 2, rargv );
2003 rargv[ 0 ] = "rewriteContext";
2004 rargv[ 1 ] = "default";
2006 rewrite_parse( *rwm_rw, "<suffix massage>", 2, 2, rargv );
2012 rwm_cf_gen( ConfigArgs *c )
2014 slap_overinst *on = (slap_overinst *)c->bi;
2015 struct ldaprwmap *rwmap =
2016 (struct ldaprwmap *)on->on_bi.bi_private;
2026 if ( c->op == SLAP_CONFIG_EMIT ) {
2027 struct berval bv = BER_BVNULL;
2029 switch ( c->type ) {
2030 case RWM_CF_REWRITE:
2031 if ( rwmap->rwm_bva_rewrite == NULL ) {
2035 slap_rewrite_unparse( rwmap->rwm_bva_rewrite, &c->rvalue_vals );
2036 if ( !c->rvalue_vals ) {
2042 case RWM_CF_T_F_SUPPORT:
2043 enum_to_verb( t_f_mode, (rwmap->rwm_flags & RWM_F_SUPPORT_T_F_MASK2), &bv );
2044 if ( BER_BVISNULL( &bv ) ) {
2045 /* there's something wrong... */
2050 value_add_one( &c->rvalue_vals, &bv );
2055 if ( rwmap->rwm_bva_map == NULL ) {
2059 value_add( &c->rvalue_vals, rwmap->rwm_bva_map );
2063 case RWM_CF_NORMALIZE_MAPPED:
2064 c->value_int = ( rwmap->rwm_flags & RWM_F_NORMALIZE_MAPPED_ATTRS );
2067 case RWM_CF_DROP_UNREQUESTED:
2068 c->value_int = ( rwmap->rwm_flags & RWM_F_DROP_UNREQUESTED_ATTRS );
2078 } else if ( c->op == LDAP_MOD_DELETE ) {
2079 switch ( c->type ) {
2080 case RWM_CF_REWRITE:
2081 if ( c->valx >= 0 ) {
2082 ConfigArgs ca = { 0 };
2085 for ( i = 0; !BER_BVISNULL( &rwmap->rwm_bva_rewrite[ i ] ); i++ )
2088 if ( i >= c->valx ) {
2093 ber_memfree( rwmap->rwm_bva_rewrite[ c->valx ].bv_val );
2094 for ( i = c->valx; !BER_BVISNULL( &rwmap->rwm_bva_rewrite[ i + 1 ] ); i++ )
2096 rwmap->rwm_bva_rewrite[ i ] = rwmap->rwm_bva_rewrite[ i + 1 ];
2098 BER_BVZERO( &rwmap->rwm_bva_rewrite[ i ] );
2100 rewrite_info_delete( &rwmap->rwm_rw );
2101 assert( rwmap->rwm_rw == NULL );
2103 rc = rwm_info_init( &rwmap->rwm_rw );
2105 for ( i = 0; !BER_BVISNULL( &rwmap->rwm_bva_rewrite[ i ] ); i++ )
2107 ca.line = rwmap->rwm_bva_rewrite[ i ].bv_val;
2109 config_fp_parse_line( &ca );
2111 if ( strcasecmp( ca.argv[ 0 ], "suffixmassage" ) == 0 ) {
2112 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno,
2116 rc = rwm_rw_config( &db, c->fname, c->lineno,
2120 ch_free( ca.tline );
2125 } else if ( rwmap->rwm_rw != NULL ) {
2126 rewrite_info_delete( &rwmap->rwm_rw );
2127 assert( rwmap->rwm_rw == NULL );
2129 ber_bvarray_free( rwmap->rwm_bva_rewrite );
2130 rwmap->rwm_bva_rewrite = NULL;
2132 rc = rwm_info_init( &rwmap->rwm_rw );
2136 case RWM_CF_T_F_SUPPORT:
2137 rwmap->rwm_flags &= ~RWM_F_SUPPORT_T_F_MASK2;
2141 if ( c->valx >= 0 ) {
2142 /* single modification is not allowed */
2146 avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
2147 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
2148 avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
2149 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
2151 rwmap->rwm_oc.remap = NULL;
2152 rwmap->rwm_oc.map = NULL;
2153 rwmap->rwm_at.remap = NULL;
2154 rwmap->rwm_at.map = NULL;
2156 ber_bvarray_free( rwmap->rwm_bva_map );
2157 rwmap->rwm_bva_map = NULL;
2161 case RWM_CF_NORMALIZE_MAPPED:
2162 rwmap->rwm_flags &= ~RWM_F_NORMALIZE_MAPPED_ATTRS;
2165 case RWM_CF_DROP_UNREQUESTED:
2166 rwmap->rwm_flags &= ~RWM_F_DROP_UNREQUESTED_ATTRS;
2175 if ( strncasecmp( c->argv[ 0 ], "olcRwm", STRLENOF( "olcRwm" ) ) == 0 ) {
2179 switch ( c->type ) {
2180 case RWM_CF_REWRITE:
2181 if ( c->valx >= 0 ) {
2182 struct rewrite_info *rwm_rw = rwmap->rwm_rw;
2183 ConfigArgs ca = { 0 };
2186 for ( last = 0; rwmap->rwm_bva_rewrite && !BER_BVISNULL( &rwmap->rwm_bva_rewrite[ last ] ); last++ )
2189 if ( c->valx > last ) {
2193 rwmap->rwm_rw = NULL;
2194 rc = rwm_info_init( &rwmap->rwm_rw );
2196 for ( i = 0; i < c->valx; i++ ) {
2197 ca.line = rwmap->rwm_bva_rewrite[ i ].bv_val;
2199 config_fp_parse_line( &ca );
2201 argv0 = ca.argv[ 0 ];
2202 ca.argv[ 0 ] += STRLENOF( "rwm-" );
2204 if ( strcasecmp( ca.argv[ 0 ], "suffixmassage" ) == 0 ) {
2205 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno,
2209 rc = rwm_rw_config( &db, c->fname, c->lineno,
2213 ca.argv[ 0 ] = argv0;
2215 ch_free( ca.tline );
2220 argv0 = c->argv[ idx0 ];
2221 if ( strncasecmp( argv0, "rwm-", STRLENOF( "rwm-" ) ) != 0 ) {
2224 c->argv[ idx0 ] += STRLENOF( "rwm-" );
2225 if ( strcasecmp( c->argv[ idx0 ], "suffixmassage" ) == 0 ) {
2226 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno,
2227 c->argc - idx0, &c->argv[ idx0 ] );
2230 rc = rwm_rw_config( &db, c->fname, c->lineno,
2231 c->argc - idx0, &c->argv[ idx0 ] );
2233 c->argv[ idx0 ] = argv0;
2235 rewrite_info_delete( &rwmap->rwm_rw );
2236 assert( rwmap->rwm_rw == NULL );
2238 rwmap->rwm_rw = rwm_rw;
2242 for ( i = c->valx; rwmap->rwm_bva_rewrite && !BER_BVISNULL( &rwmap->rwm_bva_rewrite[ i ] ); i++ )
2244 ca.line = rwmap->rwm_bva_rewrite[ i ].bv_val;
2246 config_fp_parse_line( &ca );
2248 argv0 = ca.argv[ 0 ];
2249 ca.argv[ 0 ] += STRLENOF( "rwm-" );
2251 if ( strcasecmp( ca.argv[ 0 ], "suffixmassage" ) == 0 ) {
2252 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno,
2256 rc = rwm_rw_config( &db, c->fname, c->lineno,
2260 ca.argv[ 0 ] = argv0;
2262 ch_free( ca.tline );
2267 rwmap->rwm_bva_rewrite = ch_realloc( rwmap->rwm_bva_rewrite,
2268 ( last + 2 )*sizeof( struct berval ) );
2269 BER_BVZERO( &rwmap->rwm_bva_rewrite[last+1] );
2271 for ( i = last - 1; i >= c->valx; i-- )
2273 rwmap->rwm_bva_rewrite[ i + 1 ] = rwmap->rwm_bva_rewrite[ i ];
2276 rwm_bva_rewrite_add( rwmap, c->valx, &c->argv[ idx0 ] );
2278 rewrite_info_delete( &rwm_rw );
2279 assert( rwm_rw == NULL );
2284 argv0 = c->argv[ idx0 ];
2285 if ( strncasecmp( argv0, "rwm-", STRLENOF( "rwm-" ) ) != 0 ) {
2288 c->argv[ idx0 ] += STRLENOF( "rwm-" );
2289 if ( strcasecmp( c->argv[ idx0 ], "suffixmassage" ) == 0 ) {
2290 rc = rwm_suffixmassage_config( &db, c->fname, c->lineno,
2291 c->argc - idx0, &c->argv[ idx0 ] );
2294 rc = rwm_rw_config( &db, c->fname, c->lineno,
2295 c->argc - idx0, &c->argv[ idx0 ] );
2297 c->argv[ idx0 ] = argv0;
2302 rwm_bva_rewrite_add( rwmap, -1, &c->argv[ idx0 ] );
2306 case RWM_CF_T_F_SUPPORT:
2307 rc = verb_to_mask( c->argv[ 1 ], t_f_mode );
2308 if ( BER_BVISNULL( &t_f_mode[ rc ].word ) ) {
2312 rwmap->rwm_flags &= ~RWM_F_SUPPORT_T_F_MASK2;
2313 rwmap->rwm_flags |= t_f_mode[ rc ].mask;
2318 if ( c->valx >= 0 ) {
2322 argv0 = c->argv[ 0 ];
2323 c->argv[ 0 ] += STRLENOF( "rwm-" );
2324 rc = rwm_m_config( &db, c->fname, c->lineno, c->argc, c->argv );
2325 c->argv[ 0 ] = argv0;
2333 line = ldap_charray2str( &c->argv[ 1 ], " " );
2334 if ( line != NULL ) {
2335 ber_str2bv( line, 0, 0, &bv );
2336 ber_bvarray_add( &rwmap->rwm_bva_map, &bv );
2341 case RWM_CF_NORMALIZE_MAPPED:
2342 if ( c->value_int ) {
2343 rwmap->rwm_flags |= RWM_F_NORMALIZE_MAPPED_ATTRS;
2345 rwmap->rwm_flags &= ~RWM_F_NORMALIZE_MAPPED_ATTRS;
2349 case RWM_CF_DROP_UNREQUESTED:
2350 if ( c->value_int ) {
2351 rwmap->rwm_flags |= RWM_F_DROP_UNREQUESTED_ATTRS;
2353 rwmap->rwm_flags &= ~RWM_F_DROP_UNREQUESTED_ATTRS;
2370 slap_overinst *on = (slap_overinst *) be->bd_info;
2371 struct ldaprwmap *rwmap;
2374 rwmap = (struct ldaprwmap *)ch_calloc( 1, sizeof( struct ldaprwmap ) );
2377 rwmap->rwm_flags = RWM_F_DROP_UNREQUESTED_ATTRS;
2379 rc = rwm_info_init( &rwmap->rwm_rw );
2381 on->on_bi.bi_private = (void *)rwmap;
2384 (void)rwm_db_destroy( be, NULL );
2395 slap_overinst *on = (slap_overinst *) be->bd_info;
2398 if ( on->on_bi.bi_private ) {
2399 struct ldaprwmap *rwmap =
2400 (struct ldaprwmap *)on->on_bi.bi_private;
2402 if ( rwmap->rwm_rw ) {
2403 rewrite_info_delete( &rwmap->rwm_rw );
2404 if ( rwmap->rwm_bva_rewrite )
2405 ber_bvarray_free( rwmap->rwm_bva_rewrite );
2408 avl_free( rwmap->rwm_oc.remap, rwm_mapping_dst_free );
2409 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
2410 avl_free( rwmap->rwm_at.remap, rwm_mapping_dst_free );
2411 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
2412 ber_bvarray_free( rwmap->rwm_bva_map );
2420 static slap_overinst rwm = { { NULL } };
2422 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
2424 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
2426 rwm_initialize( void )
2430 /* Make sure we don't exceed the bits reserved for userland */
2431 config_check_userland( RWM_CF_LAST );
2433 memset( &rwm, 0, sizeof( slap_overinst ) );
2435 rwm.on_bi.bi_type = "rwm";
2436 rwm.on_bi.bi_flags =
2437 SLAPO_BFLAG_SINGLE |
2440 rwm.on_bi.bi_db_init = rwm_db_init;
2441 rwm.on_bi.bi_db_config = rwm_db_config;
2442 rwm.on_bi.bi_db_destroy = rwm_db_destroy;
2444 rwm.on_bi.bi_op_bind = rwm_op_bind;
2445 rwm.on_bi.bi_op_search = rwm_op_search;
2446 rwm.on_bi.bi_op_compare = rwm_op_compare;
2447 rwm.on_bi.bi_op_modify = rwm_op_modify;
2448 rwm.on_bi.bi_op_modrdn = rwm_op_modrdn;
2449 rwm.on_bi.bi_op_add = rwm_op_add;
2450 rwm.on_bi.bi_op_delete = rwm_op_delete;
2451 rwm.on_bi.bi_op_unbind = rwm_op_unbind;
2452 rwm.on_bi.bi_extended = rwm_extended;
2454 rwm.on_bi.bi_entry_release_rw = rwm_entry_release_rw;
2455 rwm.on_bi.bi_entry_get_rw = rwm_entry_get_rw;
2458 rwm.on_bi.bi_operational = rwm_operational;
2459 rwm.on_bi.bi_chk_referrals = 0 /* rwm_chk_referrals */ ;
2461 rwm.on_bi.bi_connection_init = rwm_conn_init;
2462 rwm.on_bi.bi_connection_destroy = rwm_conn_destroy;
2464 rwm.on_response = rwm_response;
2466 rwm.on_bi.bi_cf_ocs = rwmocs;
2468 rc = config_register_schema( rwmcfg, rwmocs );
2473 return overlay_register( &rwm );
2476 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
2478 init_module( int argc, char *argv[] )
2480 return rwm_initialize();
2482 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
2484 #endif /* SLAPD_OVER_RWM */