1 /* rwm.c - rewrite/remap operations */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2003-2004 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>
30 rwm_op_dn_massage( Operation *op, SlapReply *rs, void *cookie )
32 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
33 struct ldaprwmap *rwmap =
34 (struct ldaprwmap *)on->on_bi.bi_private;
36 struct berval dn = BER_BVNULL,
43 * Rewrite the dn if needed
49 dc.ctx = (char *)cookie;
50 #else /* ! ENABLE_REWRITE */
51 dc.tofrom = ((int *)cookie)[0];
53 #endif /* ! ENABLE_REWRITE */
55 /* NOTE: in those cases where only the ndn is available,
56 * and the caller sets op->o_req_dn = op->o_req_ndn,
57 * only rewrite the op->o_req_ndn and use it as
58 * op->o_req_dn as well */
59 if ( op->o_req_dn.bv_val != op->o_req_ndn.bv_val ) {
63 rc = rwm_dn_massage( &dc, &op->o_req_dn, dnp, &ndn );
64 if ( rc != LDAP_SUCCESS ) {
68 if ( ( dnp && dn.bv_val == op->o_req_dn.bv_val ) ||
69 ( !dnp && ndn.bv_val == op->o_req_ndn.bv_val ) ) {
73 op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx );
75 op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx );
86 rwm_add( Operation *op, SlapReply *rs )
88 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
89 struct ldaprwmap *rwmap =
90 (struct ldaprwmap *)on->on_bi.bi_private;
94 Attribute **ap = NULL;
95 char *olddn = op->o_req_dn.bv_val;
98 rc = rwm_op_dn_massage( op, rs, "addDN" );
99 #else /* ! ENABLE_REWRITE */
101 rc = rwm_op_dn_massage( op, rs, &rc );
102 #endif /* ! ENABLE_REWRITE */
103 if ( rc != LDAP_SUCCESS ) {
104 op->o_bd->bd_info = (BackendInfo *)on->on_info;
105 send_ldap_error( op, rs, rc, "addDN massage error" );
109 if ( olddn != op->o_req_dn.bv_val ) {
110 ch_free( op->ora_e->e_name.bv_val );
111 ch_free( op->ora_e->e_nname.bv_val );
113 ber_dupbv( &op->ora_e->e_name, &op->o_req_dn );
114 ber_dupbv( &op->ora_e->e_nname, &op->o_req_ndn );
117 /* Count number of attributes in entry */
118 for ( i = 0, ap = &op->oq_add.rs_e->e_attrs; *ap; ) {
119 struct berval mapped;
122 if ( (*ap)->a_desc->ad_type->sat_no_user_mod ) {
126 rwm_map( &rwmap->rwm_at, &(*ap)->a_desc->ad_cname,
128 if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
132 if ( (*ap)->a_desc->ad_type->sat_syntax
133 == slap_schema.si_syn_distinguishedName )
136 * FIXME: rewrite could fail; in this case
137 * the operation should give up, right?
139 #ifdef ENABLE_REWRITE
140 rc = rwm_dnattr_rewrite( op, rs, "addAttrDN",
142 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
143 #else /* ! ENABLE_REWRITE */
145 rc = rwm_dnattr_rewrite( op, rs, &rc, (*ap)->a_vals,
146 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
147 #endif /* ! ENABLE_REWRITE */
152 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
153 #ifdef ENABLE_REWRITE
154 rc = rwm_referral_rewrite( op, rs, "referralAttrDN",
156 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
157 #else /* ! ENABLE_REWRITE */
159 rc = rwm_referral_rewrite( op, rs, &rc, (*ap)->a_vals,
160 (*ap)->a_nvals ? &(*ap)->a_nvals : NULL );
161 #endif /* ! ENABLE_REWRITE */
162 if ( rc != LDAP_SUCCESS ) {
173 /* FIXME: leaking attribute/values? */
180 /* TODO: map attribute types, values of DN-valued attributes ... */
181 return SLAP_CB_CONTINUE;
185 rwm_bind( Operation *op, SlapReply *rs )
187 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
188 struct ldaprwmap *rwmap =
189 (struct ldaprwmap *)on->on_bi.bi_private;
192 #ifdef ENABLE_REWRITE
193 ( void )rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
194 ( void )rewrite_session_init( rwmap->rwm_rw, op->o_conn );
196 rc = rwm_op_dn_massage( op, rs, "bindDN" );
197 #else /* ! ENABLE_REWRITE */
199 rc = rwm_op_dn_massage( op, rs, &rc );
200 #endif /* ! ENABLE_REWRITE */
201 if ( rc != LDAP_SUCCESS ) {
202 op->o_bd->bd_info = (BackendInfo *)on->on_info;
203 send_ldap_error( op, rs, rc, "bindDN massage error" );
207 return SLAP_CB_CONTINUE;
211 rwm_unbind( Operation *op, SlapReply *rs )
213 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
214 struct ldaprwmap *rwmap =
215 (struct ldaprwmap *)on->on_bi.bi_private;
217 #ifdef ENABLE_REWRITE
218 rewrite_session_delete( rwmap->rwm_rw, op->o_conn );
219 #endif /* ENABLE_REWRITE */
221 return SLAP_CB_CONTINUE;
225 rwm_compare( Operation *op, SlapReply *rs )
227 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
228 struct ldaprwmap *rwmap =
229 (struct ldaprwmap *)on->on_bi.bi_private;
232 struct berval mapped_at = BER_BVNULL,
233 mapped_vals[2] = { BER_BVNULL, BER_BVNULL };
235 #ifdef ENABLE_REWRITE
236 rc = rwm_op_dn_massage( op, rs, "compareDN" );
237 #else /* ! ENABLE_REWRITE */
239 rc = rwm_op_dn_massage( op, rs, &rc );
240 #endif /* ! ENABLE_REWRITE */
241 if ( rc != LDAP_SUCCESS ) {
242 op->o_bd->bd_info = (BackendInfo *)on->on_info;
243 send_ldap_error( op, rs, rc, "compareDN massage error" );
247 /* if the attribute is an objectClass, try to remap its value */
248 if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass
249 || op->orc_ava->aa_desc == slap_schema.si_ad_structuralObjectClass )
251 rwm_map( &rwmap->rwm_oc, &op->orc_ava->aa_value,
252 &mapped_vals[0], RWM_MAP );
253 if ( BER_BVISNULL( &mapped_vals[0] ) || BER_BVISEMPTY( &mapped_vals[0] ) )
255 op->o_bd->bd_info = (BackendInfo *)on->on_info;
256 send_ldap_error( op, rs, LDAP_OTHER, "compare objectClass map error" );
259 } else if ( mapped_vals[0].bv_val != op->orc_ava->aa_value.bv_val ) {
260 free( op->orc_ava->aa_value.bv_val );
261 op->orc_ava->aa_value = mapped_vals[0];
263 mapped_at = op->orc_ava->aa_desc->ad_cname;
266 rwm_map( &rwmap->rwm_at, &op->orc_ava->aa_desc->ad_cname,
267 &mapped_at, RWM_MAP );
268 if ( BER_BVISNULL( &mapped_at ) || BER_BVISEMPTY( &mapped_at ) )
270 op->o_bd->bd_info = (BackendInfo *)on->on_info;
271 send_ldap_error( op, rs, LDAP_OTHER, "compare attributeType map error" );
274 if ( op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName )
276 struct berval *mapped_valsp[2];
278 mapped_valsp[0] = &mapped_vals[0];
279 mapped_valsp[1] = &mapped_vals[1];
281 mapped_vals[0] = op->orc_ava->aa_value;
283 #ifdef ENABLE_REWRITE
284 rc = rwm_dnattr_rewrite( op, rs, "compareAttrDN", NULL, mapped_valsp );
285 #else /* ! ENABLE_REWRITE */
287 rc = rwm_dnattr_rewrite( op, rs, &rc, NULL, mapped_valsp );
288 #endif /* ! ENABLE_REWRITE */
290 if ( rc != LDAP_SUCCESS ) {
291 op->o_bd->bd_info = (BackendInfo *)on->on_info;
292 send_ldap_error( op, rs, rc, "compareAttrDN massage error" );
296 op->orc_ava->aa_value = mapped_vals[0];
300 return SLAP_CB_CONTINUE;
304 rwm_delete( Operation *op, SlapReply *rs )
306 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
309 #ifdef ENABLE_REWRITE
310 rc = rwm_op_dn_massage( op, rs, "deleteDN" );
311 #else /* ! ENABLE_REWRITE */
313 rc = rwm_op_dn_massage( op, rs, &rc );
314 #endif /* ! ENABLE_REWRITE */
315 if ( rc != LDAP_SUCCESS ) {
316 op->o_bd->bd_info = (BackendInfo *)on->on_info;
317 send_ldap_error( op, rs, rc, "deleteDN massage error" );
321 return SLAP_CB_CONTINUE;
325 rwm_modify( Operation *op, SlapReply *rs )
327 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
328 struct ldaprwmap *rwmap =
329 (struct ldaprwmap *)on->on_bi.bi_private;
334 #ifdef ENABLE_REWRITE
335 rc = rwm_op_dn_massage( op, rs, "modifyDN" );
336 #else /* ! ENABLE_REWRITE */
338 rc = rwm_op_dn_massage( op, rs, &rc );
339 #endif /* ! ENABLE_REWRITE */
340 if ( rc != LDAP_SUCCESS ) {
341 op->o_bd->bd_info = (BackendInfo *)on->on_info;
342 send_ldap_error( op, rs, rc, "modifyDN massage error" );
346 for ( mlp = &op->oq_modify.rs_modlist; *mlp; ) {
350 if ( (*mlp)->sml_desc->ad_type->sat_no_user_mod ) {
354 if ( (*mlp)->sml_desc == slap_schema.si_ad_objectClass
355 || (*mlp)->sml_desc == slap_schema.si_ad_structuralObjectClass ) {
359 struct ldapmapping *m;
362 drop_missing = rwm_mapping( &rwmap->rwm_at, &(*mlp)->sml_desc->ad_cname, &m, RWM_MAP );
363 if ( drop_missing || ( m != NULL && BER_BVISNULL( &m->m_dst ) ) )
369 /* use new attribute description */
370 assert( m->m_dst_ad );
371 (*mlp)->sml_desc = m->m_dst_ad;
375 if ( (*mlp)->sml_values != NULL ) {
379 for ( last = 0; !BER_BVISNULL( &(*mlp)->sml_values[last] ); last++ )
383 for ( j = 0; !BER_BVISNULL( &(*mlp)->sml_values[j] ); j++ ) {
384 struct berval mapped = BER_BVNULL;
386 rwm_map( &rwmap->rwm_oc,
387 &(*mlp)->sml_values[j],
389 if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
390 /* FIXME: we allow to remove objectClasses as well;
391 * if the resulting entry is inconsistent, that's
392 * the relayed database's business...
398 (*mlp)->sml_values[j] = (*mlp)->sml_values[last];
399 BER_BVZERO( &(*mlp)->sml_values[last] );
404 ch_free( (*mlp)->sml_values[j].bv_val );
405 ber_dupbv( &(*mlp)->sml_values[j], &mapped );
410 if ( (*mlp)->sml_desc->ad_type->sat_syntax ==
411 slap_schema.si_syn_distinguishedName )
413 #ifdef ENABLE_REWRITE
414 rc = rwm_dnattr_rewrite( op, rs, "modifyAttrDN",
416 (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
417 #else /* ! ENABLE_REWRITE */
419 rc = rwm_dnattr_rewrite( op, rs, &rc,
421 (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
422 #endif /* ! ENABLE_REWRITE */
424 } else if ( (*mlp)->sml_desc == slap_schema.si_ad_ref ) {
425 #ifdef ENABLE_REWRITE
426 rc = rwm_referral_rewrite( op, rs,
429 (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
430 #else /* ! ENABLE_REWRITE */
432 rc = rwm_referral_rewrite( op, rs, &rc,
434 (*mlp)->sml_nvalues ? &(*mlp)->sml_nvalues : NULL );
435 #endif /* ! ENABLE_REWRITE */
436 if ( rc != LDAP_SUCCESS ) {
441 if ( rc != LDAP_SUCCESS ) {
448 mlp = &(*mlp)->sml_next;
453 *mlp = (*mlp)->sml_next;
454 slap_mod_free( &ml->sml_mod, 0 );
458 /* TODO: rewrite attribute types, values of DN-valued attributes ... */
459 return SLAP_CB_CONTINUE;
463 rwm_modrdn( Operation *op, SlapReply *rs )
465 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
466 struct ldaprwmap *rwmap =
467 (struct ldaprwmap *)on->on_bi.bi_private;
471 if ( op->orr_newSup ) {
473 struct berval nnewSup = BER_BVNULL;
474 struct berval newSup = BER_BVNULL;
477 * Rewrite the new superior, if defined and required
480 #ifdef ENABLE_REWRITE
481 dc.conn = op->o_conn;
483 dc.ctx = "newSuperiorDN";
484 #else /* ! ENABLE_REWRITE */
487 #endif /* ! ENABLE_REWRITE */
488 rc = rwm_dn_massage( &dc, op->orr_newSup, &newSup, &nnewSup );
489 if ( rc != LDAP_SUCCESS ) {
490 op->o_bd->bd_info = (BackendInfo *)on->on_info;
491 send_ldap_error( op, rs, rc, "newSuperiorDN massage error" );
495 if ( op->orr_newSup->bv_val != newSup.bv_val ) {
496 op->o_tmpfree( op->orr_newSup->bv_val, op->o_tmpmemctx );
497 op->o_tmpfree( op->orr_nnewSup->bv_val, op->o_tmpmemctx );
498 *op->orr_newSup = newSup;
499 *op->orr_nnewSup = nnewSup;
504 * Rewrite the dn, if needed
506 #ifdef ENABLE_REWRITE
507 rc = rwm_op_dn_massage( op, rs, "renameDN" );
508 #else /* ! ENABLE_REWRITE */
510 rc = rwm_op_dn_massage( op, rs, &rc );
511 #endif /* ! ENABLE_REWRITE */
512 if ( rc != LDAP_SUCCESS ) {
513 op->o_bd->bd_info = (BackendInfo *)on->on_info;
514 send_ldap_error( op, rs, rc, "renameDN massage error" );
518 /* TODO: rewrite attribute types, values of DN-valued attributes ... */
519 return SLAP_CB_CONTINUE;
523 rwm_swap_attrs( Operation *op, SlapReply *rs )
525 slap_callback *cb = op->o_callback;
526 AttributeName *an = (AttributeName *)cb->sc_private;
530 return SLAP_CB_CONTINUE;
533 static int rwm_freeself( Operation *op, SlapReply *rs )
535 if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_RESULT ) {
536 assert( op->o_callback );
538 op->o_tmpfree( op->o_callback, op->o_tmpmemctx );
539 op->o_callback = NULL;
542 return SLAP_CB_CONTINUE;
546 rwm_search( Operation *op, SlapReply *rs )
548 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
549 struct ldaprwmap *rwmap =
550 (struct ldaprwmap *)on->on_bi.bi_private;
555 struct berval fstr = BER_BVNULL;
559 AttributeName *an = NULL;
563 #ifdef ENABLE_REWRITE
564 rc = rwm_op_dn_massage( op, rs, "searchDN" );
565 #else /* ! ENABLE_REWRITE */
567 rc = rwm_op_dn_massage( op, rs, &rc );
568 #endif /* ! ENABLE_REWRITE */
569 if ( rc != LDAP_SUCCESS ) {
570 text = "searchDN massage error";
575 * Rewrite the dn if needed
578 #ifdef ENABLE_REWRITE
579 dc.conn = op->o_conn;
581 dc.ctx = "searchFilterAttrDN";
582 #else /* ! ENABLE_REWRITE */
585 #endif /* ! ENABLE_REWRITE */
587 rc = rwm_filter_map_rewrite( &dc, op->ors_filter, &fstr );
588 if ( rc != LDAP_SUCCESS ) {
589 text = "searchFilter/searchFilterAttrDN massage error";
593 f = str2filter_x( op, fstr.bv_val );
596 text = "massaged filter parse error";
600 if ( !BER_BVISNULL( &op->ors_filterstr ) ) {
601 ch_free( op->ors_filterstr.bv_val );
604 if( op->ors_filter ) {
605 filter_free_x( op, op->ors_filter );
609 op->ors_filterstr = fstr;
611 rc = rwm_map_attrnames( &rwmap->rwm_at, &rwmap->rwm_oc,
612 op->ors_attrs, &an, RWM_MAP );
613 if ( rc != LDAP_SUCCESS ) {
614 text = "attribute list mapping error";
618 cb = (slap_callback *) op->o_tmpcalloc( sizeof( slap_callback ),
619 1, op->o_tmpmemctx );
625 cb->sc_response = rwm_swap_attrs;
626 cb->sc_cleanup = rwm_freeself;
627 cb->sc_private = (void *)op->ors_attrs;
628 cb->sc_next = op->o_callback;
633 return SLAP_CB_CONTINUE;
641 filter_free_x( op, f );
644 if ( !BER_BVISNULL( &fstr ) ) {
645 ch_free( fstr.bv_val );
648 op->o_bd->bd_info = (BackendInfo *)on->on_info;
649 send_ldap_error( op, rs, rc, text );
656 rwm_extended( Operation *op, SlapReply *rs )
658 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
661 #ifdef ENABLE_REWRITE
662 rc = rwm_op_dn_massage( op, rs, "extendedDN" );
663 #else /* ! ENABLE_REWRITE */
665 rc = rwm_op_dn_massage( op, rs, &rc );
666 #endif /* ! ENABLE_REWRITE */
667 if ( rc != LDAP_SUCCESS ) {
668 op->o_bd->bd_info = (BackendInfo *)on->on_info;
669 send_ldap_error( op, rs, rc, "extendedDN massage error" );
673 /* TODO: rewrite/map extended data ? ... */
674 return SLAP_CB_CONTINUE;
678 rwm_matched( Operation *op, SlapReply *rs )
680 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
681 struct ldaprwmap *rwmap =
682 (struct ldaprwmap *)on->on_bi.bi_private;
684 struct berval dn, mdn;
688 if ( rs->sr_matched == NULL ) {
689 return SLAP_CB_CONTINUE;
693 #ifdef ENABLE_REWRITE
694 dc.conn = op->o_conn;
696 dc.ctx = "matchedDN";
697 #else /* ! ENABLE_REWRITE */
700 #endif /* ! ENABLE_REWRITE */
701 ber_str2bv( rs->sr_matched, 0, 0, &dn );
702 rc = rwm_dn_massage( &dc, &dn, &mdn, NULL );
703 if ( rc != LDAP_SUCCESS ) {
705 rs->sr_text = "Rewrite error";
709 if ( mdn.bv_val != dn.bv_val ) {
710 if ( rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
711 ch_free( (void *)rs->sr_matched );
714 rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
716 rs->sr_matched = mdn.bv_val;
719 return SLAP_CB_CONTINUE;
723 rwm_attrs( Operation *op, SlapReply *rs, Attribute** a_first )
725 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
726 struct ldaprwmap *rwmap =
727 (struct ldaprwmap *)on->on_bi.bi_private;
734 * Rewrite the dn attrs, if needed
737 #ifdef ENABLE_REWRITE
738 dc.conn = op->o_conn;
740 #else /* ! ENABLE_REWRITE */
743 #endif /* ! ENABLE_REWRITE */
745 /* FIXME: the entries are in the remote mapping form;
746 * so we need to select those attributes we are willing
747 * to return, and remap them accordingly */
749 /* FIXME: in principle, one could map an attribute
750 * on top of another, which already exists.
751 * As such, in the end there might exist more than
752 * one instance of an attribute.
753 * We should at least check if this occurs, and issue
754 * an error (because multiple instances of attrs in
755 * response are not valid), or merge the values (what
756 * about duplicate values?) */
757 for ( ap = a_first; *ap; ) {
758 struct ldapmapping *m;
763 if ( SLAP_OPATTRS( rs->sr_attr_flags ) && is_at_operational( (*ap)->a_desc->ad_type ) )
767 } else if ( op->ors_attrs != NULL &&
768 !SLAP_USERATTRS( rs->sr_attr_flags ) &&
769 !ad_inlist( (*ap)->a_desc, op->ors_attrs ) )
774 if ( (*ap)->a_desc->ad_type->sat_no_user_mod ) {
778 drop_missing = rwm_mapping( &rwmap->rwm_at,
779 &(*ap)->a_desc->ad_cname, &m, RWM_REMAP );
780 if ( drop_missing || ( m != NULL && BER_BVISEMPTY( &m->m_dst ) ) ) {
784 for ( last = 0; !BER_BVISNULL( &(*ap)->a_vals[last] ); last++ )
788 /* empty? for now, we leave it in place */
793 if ( (*ap)->a_desc == slap_schema.si_ad_objectClass
794 || (*ap)->a_desc == slap_schema.si_ad_structuralObjectClass )
798 for ( bv = (*ap)->a_vals; !BER_BVISNULL( bv ); bv++ ) {
799 struct berval mapped;
801 rwm_map( &rwmap->rwm_oc, &bv[0], &mapped, RWM_REMAP );
802 if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
803 ch_free( bv[0].bv_val );
804 BER_BVZERO( &bv[0] );
805 if ( &(*ap)->a_vals[last] > &bv[0] ) {
806 bv[0] = (*ap)->a_vals[last];
807 BER_BVZERO( &(*ap)->a_vals[last] );
812 } else if ( mapped.bv_val != bv[0].bv_val ) {
814 * FIXME: after LBER_FREEing
815 * the value is replaced by
818 ch_free( bv[0].bv_val );
819 ber_dupbv( &bv[0], &mapped );
824 * It is necessary to try to rewrite attributes with
825 * dn syntax because they might be used in ACLs as
826 * members of groups; since ACLs are applied to the
827 * rewritten stuff, no dn-based subject clause could
828 * be used at the ldap backend side (see
829 * http://www.OpenLDAP.org/faq/data/cache/452.html)
830 * The problem can be overcome by moving the dn-based
831 * ACLs to the target directory server, and letting
832 * everything pass thru the ldap backend. */
833 /* FIXME: handle distinguishedName-like syntaxes, like
834 * nameAndOptionalUID */
835 } else if ( (*ap)->a_desc->ad_type->sat_syntax ==
836 slap_schema.si_syn_distinguishedName )
838 #ifdef ENABLE_REWRITE
839 dc.ctx = "searchAttrDN";
840 #endif /* ENABLE_REWRITE */
841 rc = rwm_dnattr_result_rewrite( &dc, (*ap)->a_vals );
842 if ( rc != LDAP_SUCCESS ) {
846 } else if ( (*ap)->a_desc == slap_schema.si_ad_ref ) {
847 #ifdef ENABLE_REWRITE
848 dc.ctx = "searchAttrDN";
849 #endif /* ENABLE_REWRITE */
850 rc = rwm_referral_result_rewrite( &dc, (*ap)->a_vals );
851 if ( rc != LDAP_SUCCESS ) {
857 /* rewrite the attribute description */
858 assert( m->m_dst_ad );
859 (*ap)->a_desc = m->m_dst_ad;
877 rwm_send_entry( Operation *op, SlapReply *rs )
879 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
880 struct ldaprwmap *rwmap =
881 (struct ldaprwmap *)on->on_bi.bi_private;
885 struct berval dn = BER_BVNULL,
890 assert( rs->sr_entry );
893 * Rewrite the dn of the result, if needed
896 #ifdef ENABLE_REWRITE
897 dc.conn = op->o_conn;
899 dc.ctx = "searchEntryDN";
900 #else /* ! ENABLE_REWRITE */
903 #endif /* ! ENABLE_REWRITE */
906 flags = rs->sr_flags;
907 if ( !( rs->sr_flags & REP_ENTRY_MODIFIABLE ) ) {
908 /* FIXME: all we need to duplicate are:
911 * - attributes that are requested
912 * - no values if attrsonly is set
921 flags |= ( REP_ENTRY_MODIFIABLE | REP_ENTRY_MUSTBEFREED );
925 * Note: this may fail if the target host(s) schema differs
926 * from the one known to the meta, and a DN with unknown
927 * attributes is returned.
929 rc = rwm_dn_massage( &dc, &e->e_name, &dn, &ndn );
930 if ( rc != LDAP_SUCCESS ) {
935 if ( e->e_name.bv_val != dn.bv_val ) {
936 ch_free( e->e_name.bv_val );
937 ch_free( e->e_nname.bv_val );
943 /* TODO: map entry attribute types, objectclasses
944 * and dn-valued attribute values */
946 /* FIXME: the entries are in the remote mapping form;
947 * so we need to select those attributes we are willing
948 * to return, and remap them accordingly */
949 (void)rwm_attrs( op, rs, &e->e_attrs );
952 rs->sr_flags = flags;
954 return SLAP_CB_CONTINUE;
957 if ( !BER_BVISNULL( &dn ) ) {
958 ch_free( dn.bv_val );
961 if ( !BER_BVISNULL( &ndn ) ) {
962 ch_free( ndn.bv_val );
965 if ( e != NULL && e != rs->sr_entry ) {
973 rwm_operational( Operation *op, SlapReply *rs )
975 /* FIXME: the entries are in the remote mapping form;
976 * so we need to select those attributes we are willing
977 * to return, and remap them accordingly */
978 if ( rs->sr_operational_attrs ) {
979 rwm_attrs( op, rs, &rs->sr_operational_attrs );
982 return SLAP_CB_CONTINUE;
994 #ifdef ENABLE_REWRITE
995 slap_overinst *on = (slap_overinst *) be->bd_info;
996 struct ldaprwmap *rwmap =
997 (struct ldaprwmap *)on->on_bi.bi_private;
999 return rewrite_parse( rwmap->rwm_rw,
1000 fname, lineno, argc, argv );
1002 #else /* !ENABLE_REWRITE */
1003 fprintf( stderr, "%s: line %d: rewrite capabilities "
1004 "are not enabled\n", fname, lineno );
1005 #endif /* !ENABLE_REWRITE */
1011 rwm_suffixmassage_config(
1019 slap_overinst *on = (slap_overinst *) be->bd_info;
1020 struct ldaprwmap *rwmap =
1021 (struct ldaprwmap *)on->on_bi.bi_private;
1023 struct berval bvnc, nvnc, pvnc, brnc, nrnc, prnc;
1025 #ifdef ENABLE_REWRITE
1027 #endif /* ENABLE_REWRITE */
1032 * suffixmassage [<suffix>] <massaged suffix>
1034 * the [<suffix>] field must be defined as a valid suffix
1035 * for the current database;
1036 * the <massaged suffix> shouldn't have already been
1037 * defined as a valid suffix for the current server
1040 if ( be->be_suffix == NULL ) {
1041 fprintf( stderr, "%s: line %d: "
1042 " \"suffixMassage [<suffix>]"
1043 " <massaged suffix>\" without "
1044 "<suffix> part requires database "
1045 "suffix be defined first.\n",
1049 bvnc = be->be_suffix[ 0 ];
1052 } else if ( argc == 3 ) {
1053 ber_str2bv( argv[ 1 ], 0, 0, &bvnc );
1057 fprintf( stderr, "%s: line %d: syntax is"
1058 " \"suffixMassage [<suffix>]"
1059 " <massaged suffix>\"\n",
1064 if ( dnPrettyNormal( NULL, &bvnc, &pvnc, &nvnc, NULL ) != LDAP_SUCCESS ) {
1065 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1066 fname, lineno, bvnc.bv_val );
1070 ber_str2bv( argv[ massaged ], 0, 0, &brnc );
1071 if ( dnPrettyNormal( NULL, &brnc, &prnc, &nrnc, NULL ) != LDAP_SUCCESS ) {
1072 fprintf( stderr, "%s: line %d: suffix DN %s is invalid\n",
1073 fname, lineno, brnc.bv_val );
1074 free( nvnc.bv_val );
1075 free( pvnc.bv_val );
1079 #ifdef ENABLE_REWRITE
1081 * The suffix massaging is emulated
1082 * by means of the rewrite capabilities
1084 rc = rwm_suffix_massage_config( rwmap->rwm_rw,
1085 &pvnc, &nvnc, &prnc, &nrnc );
1086 free( nvnc.bv_val );
1087 free( pvnc.bv_val );
1088 free( nrnc.bv_val );
1089 free( prnc.bv_val );
1093 #else /* !ENABLE_REWRITE */
1094 ber_bvarray_add( &rwmap->rwm_suffix_massage, &pvnc );
1095 ber_bvarray_add( &rwmap->rwm_suffix_massage, &nvnc );
1097 ber_bvarray_add( &rwmap->rwm_suffix_massage, &prnc );
1098 ber_bvarray_add( &rwmap->rwm_suffix_massage, &nrnc );
1099 #endif /* !ENABLE_REWRITE */
1113 slap_overinst *on = (slap_overinst *) be->bd_info;
1114 struct ldaprwmap *rwmap =
1115 (struct ldaprwmap *)on->on_bi.bi_private;
1117 /* objectclass/attribute mapping */
1118 return rwm_map_config( &rwmap->rwm_oc,
1120 fname, lineno, argc, argv );
1124 rwm_response( 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;
1132 if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
1133 return rwm_send_entry( op, rs );
1136 switch( op->o_tag ) {
1137 case LDAP_REQ_SEARCH:
1138 /* Note: the operation attrs are remapped */
1139 if ( op->ors_attrs != NULL && op->ors_attrs != rs->sr_attrs )
1141 ch_free( op->ors_attrs );
1142 op->ors_attrs = rs->sr_attrs;
1148 case LDAP_REQ_DELETE:
1149 case LDAP_REQ_MODRDN:
1150 case LDAP_REQ_MODIFY:
1151 case LDAP_REQ_COMPARE:
1152 case LDAP_REQ_EXTENDED:
1157 * Rewrite the dn of the referrals, if needed
1160 #ifdef ENABLE_REWRITE
1161 dc.conn = op->o_conn;
1163 dc.ctx = "referralDN";
1164 #else /* ! ENABLE_REWRITE */
1167 #endif /* ! ENABLE_REWRITE */
1168 rc = rwm_referral_result_rewrite( &dc, rs->sr_ref );
1169 if ( rc != LDAP_SUCCESS ) {
1174 rc = rwm_matched( op, rs );
1178 rc = SLAP_CB_CONTINUE;
1197 if ( strncasecmp( argv[ 0 ], "rwm-", STRLENOF( "rwm-" ) ) == 0 ) {
1199 argv[ 0 ] = &argv0[ STRLENOF( "rwm-" ) ];
1202 if ( strncasecmp( argv[0], "rewrite", STRLENOF("rewrite") ) == 0 ) {
1203 rc = rwm_rw_config( be, fname, lineno, argc, argv );
1205 } else if ( strcasecmp( argv[0], "map" ) == 0 ) {
1206 rc = rwm_m_config( be, fname, lineno, argc, argv );
1208 } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) {
1209 rc = rwm_suffixmassage_config( be, fname, lineno, argc, argv );
1212 rc = SLAP_CONF_UNKNOWN;
1227 slap_overinst *on = (slap_overinst *) be->bd_info;
1228 struct ldapmapping *mapping = NULL;
1229 struct ldaprwmap *rwmap;
1231 rwmap = (struct ldaprwmap *)ch_malloc(sizeof(struct ldaprwmap));
1232 memset(rwmap, 0, sizeof(struct ldaprwmap));
1234 #ifdef ENABLE_REWRITE
1235 rwmap->rwm_rw = rewrite_info_init( REWRITE_MODE_USE_DEFAULT );
1236 if ( rwmap->rwm_rw == NULL ) {
1244 /* this rewriteContext by default must be null;
1245 * rules can be added if required */
1246 rargv[ 0 ] = "rewriteContext";
1247 rargv[ 1 ] = "searchFilter";
1249 rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 1, 2, rargv );
1251 rargv[ 0 ] = "rewriteContext";
1252 rargv[ 1 ] = "default";
1254 rewrite_parse( rwmap->rwm_rw, "<suffix massage>", 2, 2, rargv );
1257 #endif /* ENABLE_REWRITE */
1259 if ( rwm_map_init( &rwmap->rwm_oc, &mapping ) != LDAP_SUCCESS ||
1260 rwm_map_init( &rwmap->rwm_at, &mapping ) != LDAP_SUCCESS )
1265 on->on_bi.bi_private = (void *)rwmap;
1275 slap_overinst *on = (slap_overinst *) be->bd_info;
1278 if ( on->on_bi.bi_private ) {
1279 struct ldaprwmap *rwmap =
1280 (struct ldaprwmap *)on->on_bi.bi_private;
1282 #ifdef ENABLE_REWRITE
1283 if (rwmap->rwm_rw) {
1284 rewrite_info_delete( &rwmap->rwm_rw );
1286 #else /* !ENABLE_REWRITE */
1287 if ( rwmap->rwm_suffix_massage ) {
1288 ber_bvarray_free( rwmap->rwm_suffix_massage );
1290 #endif /* !ENABLE_REWRITE */
1292 avl_free( rwmap->rwm_oc.remap, NULL );
1293 avl_free( rwmap->rwm_oc.map, rwm_mapping_free );
1294 avl_free( rwmap->rwm_at.remap, NULL );
1295 avl_free( rwmap->rwm_at.map, rwm_mapping_free );
1301 static slap_overinst rwm = { { NULL } };
1306 memset( &rwm, 0, sizeof( slap_overinst ) );
1308 rwm.on_bi.bi_type = "rwm";
1310 rwm.on_bi.bi_db_init = rwm_db_init;
1311 rwm.on_bi.bi_db_config = rwm_db_config;
1312 rwm.on_bi.bi_db_destroy = rwm_db_destroy;
1314 rwm.on_bi.bi_op_bind = rwm_bind;
1315 rwm.on_bi.bi_op_search = rwm_search;
1316 rwm.on_bi.bi_op_compare = rwm_compare;
1317 rwm.on_bi.bi_op_modify = rwm_modify;
1318 rwm.on_bi.bi_op_modrdn = rwm_modrdn;
1319 rwm.on_bi.bi_op_add = rwm_add;
1320 rwm.on_bi.bi_op_delete = rwm_delete;
1321 rwm.on_bi.bi_op_unbind = rwm_unbind;
1322 rwm.on_bi.bi_extended = rwm_extended;
1323 rwm.on_bi.bi_operational = rwm_operational;
1325 rwm.on_response = rwm_response;
1327 return overlay_register( &rwm );
1330 #if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC
1332 init_module( int argc, char *argv[] )
1336 #endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */
1338 #endif /* SLAPD_OVER_RWM */